<<

2k15i_gmc_yukon_xl_23168272 B.ai (Modern Bridge - Level 2 / #23321109) Spine = Printer Adjust (Image set @ 60% Transparency Color = Black Date = 08/05/14

23168272 B GMC 2015i /Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (1,1) Mexico-8431503) - 2015 - crc - 8/11/14

2015 GMC Yukon/Yukon XL Owner Manual M

In Brief ...... 1-1 Storage ...... 4-1 Climate Controls ...... 8-1 Instrument Panel ...... 1-2 Storage Compartments ...... 4-1 Climate Control Systems ...... 8-1 Initial Drive Information ...... 1-4 Additional Storage Features . . . 4-3 Air Vents ...... 8-6 Vehicle Features ...... 1-18 Roof Rack System ...... 4-4 Maintenance ...... 8-7 Performance and Maintenance ...... 1-23 Instruments and Controls . . . . 5-1 Driving and Operating ...... 9-1 Controls ...... 5-2 Driving Information ...... 9-2 Keys, Doors, and Warning Lights, Gauges, and Starting and Operating ...... 9-19 Windows ...... 2-1 Indicators ...... 5-10 Engine Exhaust ...... 9-30 Keys and Locks ...... 2-2 Information Displays ...... 5-28 Automatic Transmission ...... 9-31 Doors ...... 2-19 Vehicle Messages ...... 5-31 Drive Systems ...... 9-37 Vehicle Security...... 2-24 Vehicle Personalization ...... 5-44 Brakes ...... 9-41 Exterior Mirrors ...... 2-28 Universal Remote System . . . . 5-52 Ride Control Systems ...... 9-44 Interior Mirrors ...... 2-31 Cruise Control ...... 9-47 Windows ...... 2-32 Lighting ...... 6-1 Driver Assistance Systems . . . 9-57 Roof ...... 2-35 Exterior Lighting ...... 6-1 Fuel ...... 9-69 Interior Lighting ...... 6-6 Trailer Towing...... 9-74 Seats and Restraints ...... 3-1 Lighting Features ...... 6-7 Conversions and Add-Ons . . . 9-89 Head Restraints ...... 3-2 Front Seats ...... 3-3 Infotainment System ...... 7-1 Vehicle Care ...... 10-1 Rear Seats ...... 3-9 Introduction ...... 7-1 General Information ...... 10-2 Safety Belts ...... 3-18 Vehicle Checks ...... 10-3 Airbag System ...... 3-28 Headlamp Aiming ...... 10-29 Child Restraints ...... 3-42 Bulb Replacement ...... 10-30 Electrical System ...... 10-33 Wheels and Tires ...... 10-44 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (2,1) Mexico-8431503) - 2015 - crc - 8/11/14

2015 GMC Yukon/Yukon XL Owner Manual M

Jump Starting ...... 10-78 OnStar ...... 14-1 Towing the Vehicle ...... 10-81 OnStar Overview...... 14-1 Appearance Care ...... 10-86 OnStar Services ...... 14-2 OnStar Additional Service and Maintenance . . . 11-1 Information ...... 14-6 General Information ...... 11-1 Maintenance Schedule ...... 11-2 Index ...... i-1 Special Application Services ...... 11-8 Additional Maintenance and Care ...... 11-9 Recommended Fluids, Lubricants, and Parts ...... 11-12 Maintenance Records ...... 11-15 Technical Data ...... 12-1 Vehicle Identification ...... 12-1 Vehicle Data ...... 12-2 Customer Information ...... 13-1 Customer Information ...... 13-1 Reporting Safety Defects . . . . 13-13 Vehicle Data Recording and Privacy...... 13-14 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (3,1) Mexico-8431503) - 2015 - crc - 8/11/14

Introduction iii

that may not be available in your Using this Manual region, or changes subsequent to the printing of this owner manual. To quickly locate information about the vehicle, use the Index in the Refer to the purchase back of the manual. It is an documentation relating to your alphabetical list of what is in the specific vehicle to confirm the manual and the page number where The names, logos, emblems, features. it can be found. slogans, vehicle model names, and Keep this manual in the vehicle for vehicle body designs appearing in quick reference. Danger, Warnings, and this manual including, but not limited Cautions to, GM, the GM logo, GMC, the Canadian Vehicle Owners GMC Truck Emblem, and YUKON Warning messages found on vehicle are trademarks and/or service Propriétaires Canadiens labels and in this manual describe marks of General Motors LLC, its hazards and what to do to avoid or A French language manual can be subsidiaries, affiliates, or licensors. reduce them. obtained from your dealer, at For vehicles first sold in Canada, www.helminc.com, or from: substitute the name General { Danger “ On peut obtenir un exemplaire de Motors of Canada Limited for GMC ” ce guide en français auprès du wherever it appears in this manual. Danger indicates a hazard with a concessionnaire ou à l'adresse high level of risk which will result This manual describes features that savant: in serious injury or death. may or may not be on the vehicle Helm, Incorporated because of optional equipment that Attention: Customer Service was not purchased on the vehicle, 47911 Halyard Drive model variants, country Plymouth, MI 48170 specifications, features/applications Litho in U.S.A. Part No. 23168272 B Second Printing © 2014 General Motors LLC. All Rights Reserved. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (4,1) Mexico-8431503) - 2015 - crc - 8/11/14

iv Introduction

Symbols g : Audio Steering Wheel Controls { Warning or OnStar® (if equipped) The vehicle has components and Warning indicates a hazard that labels that use symbols instead of $ : Brake System Warning Light could result in injury or death. text. Symbols are shown along with " : Charging System the text describing the operation or information relating to a specific I : Cruise Control component, control, message, B : Engine Coolant Temperature { Caution gauge, or indicator. O : Exterior Lamps Caution indicates a hazard that M : This symbol is shown when # : Fog Lamps could result in property or vehicle you need to see your owner manual damage. for additional instructions or . : Fuel Gauge information. + : Fuses * : This symbol is shown when 3 : Headlamp High/Low-Beam you need to see a service manual Changer for additional instructions or information. ( : Heated Steering Wheel Vehicle Symbol Chart j : LATCH System Child Restraints Here are some additional symbols * A circle with a slash through it is a that may be found on the vehicle : Malfunction Indicator Lamp safety symbol which means “Do and what they mean. For more : : Oil Pressure Not,”“Do not do this,” or “Do not let information on the symbol, refer to g the Index. : Outside Power Foldaway this happen.” Mirrors 0 : Adjustable Pedals O : Power 9 : Airbag Readiness Light / : Remote Vehicle Start ! : Antilock Brake System (ABS) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (5,1) Mexico-8431503) - 2015 - crc - 8/11/14

Introduction v

> : Safety Belt Reminders 7 : Tire Pressure Monitor _ : Tow/Haul Mode d : Traction Control/StabiliTrak® M : Windshield Washer Fluid GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (6,1) Mexico-8431503) - 2015 - crc - 8/11/14

vi Introduction

2 NOTES GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (1,1) Mexico-8431503) - 2015 - crc - 8/11/14

In Brief 1-1

In Brief Passenger Sensing Lane Change Alert (LCA) . . . . 1-20 System ...... 1-10 Rear Vision Mirror Adjustment ...... 1-11 Camera (RVC) ...... 1-20 Instrument Panel Steering Wheel Rear Cross Traffic Alert Instrument Panel ...... 1-2 Adjustment ...... 1-12 (RCTA) System ...... 1-20 Throttle and Brake Pedal Parking Assist ...... 1-20 Initial Drive Information Adjustment ...... 1-12 Active Emergency Braking Initial Drive Information ...... 1-4 Interior Lighting ...... 1-13 System ...... 1-20 Remote Keyless Entry (RKE) Exterior Lighting ...... 1-14 Power Outlets ...... 1-21 System ...... 1-4 Windshield Wiper/Washer . . . . 1-15 Universal Remote System . . . 1-21 Remote Vehicle Start ...... 1-5 Climate Controls ...... 1-16 Sunroof ...... 1-22 Door Locks ...... 1-6 Transmission ...... 1-16 Liftgate ...... 1-6 Four-Wheel Drive ...... 1-17 Performance and Maintenance Windows ...... 1-7 Traction Control/Electronic Seat Adjustment ...... 1-7 Vehicle Features Stability Control ...... 1-23 Memory Features ...... 1-8 Infotainment System ...... 1-18 Tire Pressure Monitor ...... 1-23 Second Row Seats ...... 1-9 Steering Wheel Controls . . . . . 1-18 Engine Oil Life System ...... 1-24 Third Row Seats ...... 1-9 Cruise Control ...... 1-18 E85 or FlexFuel ...... 1-24 Heated and Cooled Front Driver Information Driving for Better Fuel Seats ...... 1-9 Center (DIC) ...... 1-19 Economy ...... 1-24 Head Restraint Forward Collision Alert (FCA) Roadside Assistance Adjustment ...... 1-10 System ...... 1-19 Program ...... 1-25 Safety Belts ...... 1-10 Lane Departure OnStar® ...... 1-25 Warning (LDW) ...... 1-19 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (2,1) Mexico-8431503) - 2015 - crc - 8/11/14

1-2 In Brief

Instrument Panel GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (3,1) Mexico-8431503) - 2015 - crc - 8/11/14

In Brief 1-3

1. Air Vents on page 8-6. 4. Favorite Switches (Out of View). 11. Exterior Lamp Controls on See Steering Wheel Controls on page 6-1. 2. g Traction Control/Electronic page 5-3. Stability Control on page 9-44. Fog Lamps on page 6-5 (If Volume Switches (Out of View). Equipped). j Power Assist Steps on See Steering Wheel Controls on 12. Parking Brake on page 9-42. page 2-23 (If Equipped). page 5-3. 13. Four-Wheel Drive on page 9-37 X Parking Assist Button (If 5. Instrument Cluster on page 5-11. (If Equipped). Equipped). See Assistance 6. Hazard Warning Flashers on 14. Data Link Connector (DLC) Systems for Parking or Backing page 6-4. (Out of View). See Malfunction on page 9-58. 7. Shift Lever. See Automatic Indicator Lamp on page 5-20. @ Lane Departure Warning Transmission on page 9-31. 15. Trailer Brake Control Panel (If (LDW) on page 9-68 (If Tow/Haul Selector Button. See Equipped). See Towing Equipped). Tow/Haul Mode on page 9-36. Equipment on page 9-82. 0 Pedal Adjust Switch (If Range Selection Mode (If 16. Cruise Control on page 9-47. Equipped). See Adjustable Equipped). See Manual Mode on Adaptive Cruise Control on Throttle and Brake Pedal on page 9-34. page 9-50 (If Equipped). page 9-20. 8. Light Sensor. See Automatic Forward Collision Alert (FCA) 3. Turn Signal Lever. See Turn and Headlamp System on page 6-3. System on page 9-61 (If Lane-Change Signals on 9. Infotainment on page 7-1. Equipped). page 6-4. 10. Instrument Panel Illumination Heated Steering Wheel on Windshield Wiper/Washer on Control on page 6-6. page 5-3 (If Equipped). page 5-3. 17. Hood Release. See Hood on page 10-4. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (4,1) Mexico-8431503) - 2015 - crc - 8/11/14

1-4 In Brief

18. Steering Wheel Adjustment on Initial Drive page 5-2. 19. Horn on page 5-3. Information 20. Steering Wheel Controls on This section provides a brief page 5-3. overview about some of the important features that may or may 21. Heated and Cooled Front not be on your specific vehicle. Seats on page 3-7 (If Equipped). For more detailed information, refer to each of the features which can be 22. Rear Climate Control Buttons found later in this owner manual. (If Equipped). See Rear Climate Control System on Remote Keyless Entry page 8-5. Key Access RKE Transmitter with (RKE) System Remote Start 23. Power Outlets on page 5-7. The RKE transmitter is used to 24. 110 Volt Power Outlet (If remotely lock and unlock the doors Equipped). See Power Outlets and it may work up to 60 m (197 ft) on page 5-7. away from the vehicle. 25. Dual Automatic Climate Control System on page 8-1. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (5,1) Mexico-8431503) - 2015 - crc - 8/11/14

In Brief 1-5

7 : Press and release to initiate When the vehicle starts, the parking vehicle locate. The turn signal lamps will turn on. The doors will be lamps flash and the horn sounds locked and the climate control three times. system may come on. Press 7 and hold for more than The engine will continue to run for 10 minutes. After 30 seconds, three seconds to sound the panic repeat the steps if a 10-minute alarm. extension is desired. Remote start Press 7 again to cancel the panic can be extended only once. alarm. Canceling a Remote Start See Keys (Keys) on page 2-2 or To cancel a remote start, do one of Keyless Access RKE Transmitter Keys (Keyless) on page 2-4 and the : with Remote Start Remote Keyless Entry (RKE) . / K System on page 2-5. Press and hold until the : Press to unlock the driver door. parking lamps turn off. Press K again within three seconds Remote Vehicle Start . Turn on the hazard warning to unlock all remaining doors. If equipped, the engine can be flashers. : Press to lock all doors. Q started from outside of the vehicle. . Turn the vehicle on and then off. Lock and unlock feedback can be Starting the Vehicle See Remote Vehicle Start on personalized. See Vehicle page 2-15. Personalization on page 5-44. 1. Press and release Q. b : Press twice to open or close 2. Immediately, press and hold / the liftgate. Press once to stop the for at least four seconds or until liftgate from moving. the turn signal lamps flash. c : Press twice to open the liftglass. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (6,1) Mexico-8431503) - 2015 - crc - 8/11/14

1-6 In Brief

Door Locks Power Door Locks passenger doors and liftgate will unlock. See Remote Keyless Entry To lock or unlock the doors from (RKE) System Operation (Key) on inside the vehicle: page 2-5 or Remote Keyless Entry (RKE) System Operation (Keyless) . Press Q or K on a power door on page 2-8. lock switch. . Pushing down the manual lock Liftgate knob on the driver door will lock all doors. Pushing down the lock knob on a passenger door will lock that door only. . Pulling the door handle once will unlock that door. Pulling the handle again will unlatch it. To lock or unlock the doors from Q : Press to lock the doors. outside the vehicle press Q or K on K : Press to unlock the doors. the RKE transmitter. See Remote See Door Locks on page 2-16. Keyless Entry (RKE) System Operation (Key) on page 2-5 or Keyless Access Remote Keyless Entry (RKE) If equipped with Keyless Access, System Operation (Keyless) on the RKE transmitter must be within To open the liftgate, press K on the page 2-8. 1 m (3 ft) of the driver door. power door lock switch or press K Pressing the button on the driver on the Remote Keyless Entry (RKE) door handle will unlock the driver transmitter twice to unlock all doors. door. If the handle button is pressed Press the touch pad on the again within five seconds, the underside of the liftgate handle and GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (7,1) Mexico-8431503) - 2015 - crc - 8/11/14

In Brief 1-7

lift up. See Remote Keyless Entry To disable the power liftgate express-up feature. See Windows (RKE) System Operation (Key) on function, select OFF on the liftgate on page 2-32 and Power Windows page 2-5 or Remote Keyless Entry switch. See Liftgate on page 2-19. on page 2-33. (RKE) System Operation (Keyless) on page 2-8. Windows Seat Adjustment Use the pull cup to lower and close Power Seats the liftgate. Do not press the touch pad while closing the liftgate. This will cause the liftgate to be unlatched. Power Liftgate Operation If equipped with a power liftgate, the switch is on the overhead console. The vehicle must be in P (Park). Choose the power liftgate mode by selecting MAX or 3/4. Press 8 on the overhead console. On the RKE The power windows work when the transmitter press b twice quickly. ignition is in ON/RUN or ACC/ To adjust the seat: Pressing and releasing b while the ACCESSORY, or in Retained liftgate is moving stops the liftgate. Accessory Power (RAP). See . Move the seat forward or Pressing again reverses the Retained Accessory Power (RAP) rearward by sliding the control direction. on page 9-27. forward or rearward. If equipped, the front and rear To close, press l on the bottom windows have an express-down of the liftgate next to the latch. feature. The front windows have an GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (8,1) Mexico-8431503) - 2015 - crc - 8/11/14

1-8 In Brief

. If equipped, raise or lower the To adjust the lumbar support: Memory Features front part of the seat cushion by moving the front of the control . Press and hold the control up or down. forward to increase or rearward to decrease upper and lower . If equipped, raise or lower the lumbar support at the same time. seat by moving the rear of the control up or down. . If equipped, press and hold the control up to increase upper See Power Seat Adjustment on lumbar support and decrease page 3-3. lower lumbar support. Lumbar Adjustment If equipped, press and hold the control down to increase lower lumbar support and decrease upper lumbar support. See Lumbar Adjustment on If equipped, the SET, "1," "2," and page 3-4. B (Exit) buttons on the driver door are used to manually save and recall memory settings for the driver seat, outside mirrors, power tilt and telescoping steering column (if equipped), and adjustable pedals (if equipped). See Memory Seats on page 3-5 and Vehicle Personalization on page 5-44. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (9,1) Mexico-8431503) - 2015 - crc - 8/11/14

In Brief 1-9

Second Row Seats The second row seatbacks can be folded for additional cargo space, or the seats can be folded and tumbled for easy entry/exit to the third row seats (if equipped). The seatbacks also recline. See Second Row Seats on page 3-10. Third Row Seats If equipped, third row seatbacks can 3. Disconnect the rear safety belt Heated and Cooled Seats Shown, be folded. mini-latch using a key in the slot Heated Seats Similar on the mini-buckle, and let the To fold the third row seatback: belt retract into the headliner. The buttons are on the center stack below the climate control system. To 1. Make sure that there is nothing 4. Stow the mini-latch in the holder operate, the engine must be under, in front of, or on the seat. in the headliner. running. 2. Fully lower the head restraints. See Third Row Seats on page 3-14. See Head Restraints on Press I to heat the driver or passenger seatback only. page 3-2. Heated and Cooled Front Seats Press J to heat the driver or passenger seat cushion and If equipped, the vehicle may have seatback. heated or heated and cooled seats. Press A to cool the driver or passenger seat. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (10,1) Mexico-8431503) - 2015 - crc - 8/11/14

1-10 In Brief

See Heated and Cooled Front Seats Safety Belts Passenger Sensing on page 3-7. System Head Restraint Adjustment Do not drive until the head restraints for all occupants are installed and adjusted properly. To achieve a comfortable seating United States position, change the seatback recline angle as little as necessary while keeping the seat and the head restraint height in the proper position. Refer to the following sections for See Head Restraints on page 3-2 important information on how to use and Power Seat Adjustment on safety belts properly: Canada and Mexico page 3-3. . Safety Belts on page 3-18. The passenger sensing system will . How to Wear Safety Belts turn off the front outboard Properly on page 3-20. passenger frontal airbag under certain conditions. No other airbag . Lap-Shoulder Belt on page 3-21. is affected by the passenger . Lower Anchors and Tethers for sensing system. See Passenger Children (LATCH System) on Sensing System on page 3-35 page 3-50. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (11,1) Mexico-8431503) - 2015 - crc - 8/11/14

In Brief 1-11

The passenger airbag status Exterior Mirrors Folding Mirrors indicator will light on the overhead Power Mirrors The outside mirrors can be folded console when the vehicle is started. inward to prevent damage when See Passenger Airbag Status going through an automatic car Indicator on page 5-18. wash. To fold, pull the mirror toward the vehicle. See Folding Mirrors on Mirror Adjustment page 2-29. Interior Mirror Power Folding Mirrors Adjustment Adjust the rearview mirror for a clear view of the area behind the vehicle. Manual Rearview Mirror Push the tab forward for daytime Shown with Power Folding use and pull it rearward for nighttime use to avoid glare of the Mirrors, Manual Folding Similar headlamps from behind. To adjust the mirrors: Automatic Dimming Rearview 1. Press (1) or (2) to select the Mirror driver or passenger side mirror. If equipped, the mirror automatically 2. Press the arrows on the control dims to reduce the glare of pad to move each mirror in the To adjust power folding mirrors, headlamps from behind. The desired direction. if equipped: dimming feature comes on when the 3. Press either (1) or (2) again to 1. Press to fold the mirrors vehicle is started. { deselect the mirror. inward. See Power Mirrors on page 2-29. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (12,1) Mexico-8431503) - 2015 - crc - 8/11/14

1-12 In Brief

2. Press { again to return the To adjust the steering wheel: To adjust the power tilt and mirrors to the driving position. 1. Hold the steering wheel and pull telescope steering wheel, if equipped: Heated Mirrors the lever. Press the control to move the 1 2. Move the steering wheel up If equipped, pressing also heats or down. steering wheel up and down or the outside mirrors. forward and rearward. 3. Release the lever to lock the See “Rear Window Defogger” under wheel in place. Do not adjust the steering wheel Dual Automatic Climate Control while driving. System on page 8-1. Power Tilt and Telescope Steering Wheel Throttle and Brake Pedal Steering Wheel Adjustment Adjustment If equipped, the position of the throttle and brake pedals can be changed. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (13,1) Mexico-8431503) - 2015 - crc - 8/11/14

In Brief 1-13

Interior Lighting ON: Turns all dome lamps on. Dome Lamps Reading Lamps

The switch used to adjust the pedals is to the left of the steering wheel. Press the switch to the left to move There are dome lamps in the There are reading lamps in the the pedals closer to your body. overhead console and the headliner, overhead console and the headliner, Press the switch to the right to move if equipped. if equipped. To operate, the ignition the pedals away. must be in the ACC/ACCESSORY To change the dome lamp settings, See Adjustable Throttle and Brake or ON/RUN position or using press the following: Pedal on page 9-20. Retained Accessory Power (RAP). OFF: Turns the lamps off, even The vehicle may have a memory when a door is open. function, which lets pedal settings be saved and recalled. See Memory DOOR: The lamps come on Seats on page 3-5. automatically when a door is opened. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (14,1) Mexico-8431503) - 2015 - crc - 8/11/14

1-14 In Brief

Exterior Lighting For vehicles first sold in Canada, the off position will only work when the vehicle is shifted into P (Park). AUTO: Automatically turns on the headlamps, parking lamps, taillamps, instrument panel lights, roof marker lamps (if equipped), and license plate lamps. m n ; : Turns on the parking lamps Press or next to each reading including all lamps, except the lamp to turn it on or off. headlamps. For more information about interior 5 : Turns on the headlamps with lighting, see Instrument Panel the parking lamps and instrument Illumination Control on page 6-6. panel lights. The exterior lamp control is on the instrument panel to the left of the See: steering wheel. . Exterior Lamp Controls on There are four positions. page 6-1 O : Turns off the automatic . Fog Lamps on page 6-5 headlamps and Daytime Running Lamps (DRL). Turn the headlamp control to the off position again to turn the automatic headlamps or DRL back on. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (15,1) Mexico-8431503) - 2015 - crc - 8/11/14

In Brief 1-15

Windshield Wiper/Washer L m : Push the paddle at the top of z AUTO: Press to turn the lever to spray washer fluid on Rainsense on or off. When turned the windshield. on and z FRONT is in one of the Rainsense™ Rainsense wipe sensitivity positions, the wipers can be With Rainsense, a sensor near the adjusted for more or less sensitivity top center of the windshield detects to moisture. When turned off, the the amount of water on the wipers operate as timed intermittent windshield and controls the wipers and can be adjusted for The windshield wiper control is on frequency of the windshield wiper. the turn signal lever. more or less frequent wipes. A DIC 3 INT: Turn the z FRONT message may be displayed when The windshield wipers are controlled Rainsense is turned on or off. z band on the wiper lever to adjust the by turning the band with sensitivity. See Windshield Wiper/Washer on FRONT on it. page 5-3. 1 : Fast wipes. w : Slow wipes. 3 INT: Turn the z FRONT band up for more frequent wipes or down for less frequent wipes. OFF: Turns the windshield . Turn the band up for more wipers off. sensitivity to moisture. 8 : For a single wipe, turn to 8, . Turn the band down for less then release. For several wipes, sensitivity to moisture. hold the band on 8 longer. Move the band out of the 3 INT position to deactivate Rainsense. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (16,1) Mexico-8431503) - 2015 - crc - 8/11/14

1-16 In Brief

Climate Controls 9. Rear Climate Control Power Transmission Button This system controls the heating, Range Selection Mode cooling, and ventilation. 10. Rear AUTO (Automatic Operation) 11. Front Climate Control Power Button 12. Rear Fan Control 13. Rear Air Delivery Mode Control 14. Rear Temperature Control The Range Selection Mode switch, 15. RCTRL (Rear Climate Control if equipped, is on the shift lever. Lockout) 1. To enable the Range Selection 16. Rear Window Defogger feature, move the shift lever to 17. SYNC (Synchronized the M (Manual) position. The Temperature) current range will appear next to 1. Driver Temperature Control the M. This is the highest See Dual Automatic Climate Control 2. A/C (Air Conditioning) attainable range with all lower System on page 8-1 and Rear gears accessible. As an 3. Air Delivery Mode Controls Climate Control System on page 8-5 example, when 5 (Fifth) gear is (if equipped). 4. Fan Control selected, 1 (First) through 5 (Fifth) gears are available. 5. Defrost 2. Press the plus/minus buttons on 6. Passenger Temperature Control the shift lever to select the 7. AUTO (Automatic Operation) desired range of gears for current driving conditions. See 8. Air Recirculation Manual Mode on page 9-34. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (17,1) Mexico-8431503) - 2015 - crc - 8/11/14

In Brief 1-17

While using Range Selection Mode, Automatic Transfer Case cruise control and the Tow/Haul Mode can be used. Grade Braking is not available when Range Selection Mode is active. See Tow/Haul Mode on page 9-36. Four-Wheel Drive If the vehicle has four-wheel drive, you can send the engine's driving power to all four wheels for extra traction. Single Speed Automatic Two Speed Automatic Transfer Case Transfer Case The transfer case knob is to the left of the steering wheel. Use this knob to shift into and out of the different four-wheel drive modes. 2 m : This setting is used for driving in most street and highway situations. AUTO: This setting is ideal for use when road surface traction conditions are variable. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (18,1) Mexico-8431503) - 2015 - crc - 8/11/14

1-18 In Brief

4 m : Use the Four-Wheel Drive Vehicle Features Cruise Control High position when extra traction is needed, such as on snowy or icy Infotainment System roads or in most off-road situations. See the infotainment manual for 4 n : Vehicles with a two speed information on the radio, audio automatic transfer case have a players, phone, navigation system, Four-Wheel Drive Low position. This and voice or speech recognition. setting sends maximum power to all It also includes information on four wheels. You might choose 4 n if settings. you are driving off-road in deep sand, mud, or snow, and while Steering Wheel Controls climbing or descending steep hills. The infotainment system can be N (Neutral): Vehicles with a two operated by using the steering speed automatic transfer case have wheel controls. See "Steering a N (Neutral) position. Shift the Wheel Controls" in the infotainment 5 : Press to turn the system on or transfer case to N (Neutral) only manual. off. The indicator light is white when when towing the vehicle. See cruise control is on and turns off Recreational Vehicle Towing on when cruise control is off. page 10-81 or Towing the Vehicle SET −: Press briefly to set the on page 10-81. speed and activate cruise control. See Four-Wheel Drive on If cruise control is already active, page 9-37. use to decrease vehicle speed. +RES: If there is a set speed in memory, press to resume that speed or press and hold to GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (19,1) Mexico-8431503) - 2015 - crc - 8/11/14

In Brief 1-19

accelerate. If cruise control is Forward Collision Alert already active, use to increase vehicle speed. (FCA) System * : Press to disengage cruise If equipped, FCA may help avoid or control without erasing the set reduce the harm caused by speed from memory. front-end crashes. FCA provides a green indicator, V, when a vehicle See Cruise Control on page 9-47 or is detected ahead. This indicator Adaptive Cruise Control on displays amber if you follow a page 9-50 (If Equipped). vehicle much too closely. When approaching a vehicle ahead too Driver Information quickly, FCA provides a flashing red Center (DIC) alert on the windshield and rapidly or : Press to move up or beeps or pulses the driver seat. The DIC display is in the instrument w x down in a list. cluster. It shows the status of many See Forward Collision Alert (FCA) vehicle systems. o or p : Press to move between System on page 9-61. the interactive display zones in the If the vehicle has the base level cluster. instrument cluster, the trip odometer Lane Departure reset stem is used to operate V : Press to open a menu or select Warning (LDW) the DIC. a menu item. Press and hold to reset values on certain screens. If equipped, LDW may help avoid If the vehicle has the uplevel unintentional lane departures at instrument cluster, the right steering See Driver Information Center (DIC) speeds of 56 km/h (35 mph) or wheel controls are used to operate on page 5-28. greater. LDW uses a camera sensor the DIC. to detect the lane markings. The LDW light, @, is green if a lane marking is detected. If the vehicle departs the lane, the light will GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (20,1) Mexico-8431503) - 2015 - crc - 8/11/14

1-20 In Brief

change to amber and flash. In Rear Vision Parking Assist addition, beeps will sound or the driver seat will pulse. Camera (RVC) If equipped, Rear Parking Assist If equipped, RVC displays a view of (RPA) uses sensors on the rear See Lane Departure Warning (LDW) bumper to assist with parking and on page 9-68. the area behind the vehicle on the center stack display when the avoiding objects while in vehicle is shifted into R (Reverse) to R (Reverse). It operates at speeds Lane Change Alert (LCA) aid with parking and low-speed less than 8 km/h (5 mph). RPA may If equipped, the LCA system is a backing maneuvers. display a warning triangle on the lane-changing aid that assists Rear Vision Camera screen and a See Assistance Systems for Parking graphic on the instrument cluster to drivers with avoiding lane change or Backing on page 9-58. crashes that occur with vehicles in provide the object distance. In the side blind zone (or spot) areas addition, multiple beeps or seat or with vehicles rapidly approaching Rear Cross Traffic Alert pulses may occur if very close to an these areas from behind. The LCA (RCTA) System object. warning display will light up in the If equipped, the RCTA system uses The vehicle may also have the Front corresponding outside side mirror a triangle with an arrow displayed Parking Assist system. and will flash if the turn signal is on. on the RVC screen to warn of traffic See Assistance Systems for Parking The Side Blind Zone Alert (SBZA) behind your vehicle that may cross or Backing on page 9-58. system is included as part of the your vehicle's path while in LCA system. R (Reverse). In addition, beeps will Active Emergency See Side Blind Zone Alert (SBZA) sound, or the driver seat will pulse. Braking System on page 9-65 and Lane Change See Assistance Systems for Parking Alert (LCA) on page 9-66. or Backing on page 9-58. If the vehicle has Adaptive Cruise Control (ACC) it also has the Active Emergency Braking System, which includes Intelligent Brake Assist (IBA) and the Automatic GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (21,1) Mexico-8431503) - 2015 - crc - 8/11/14

In Brief 1-21

Collision Preparation (ACP) System. . One in the rear cargo area on Universal Remote System These systems can provide a boost the passenger side. to braking or automatically brake the Vehicles with Bench Seats vehicle to help avoid or lessen the severity of crashes when driving in a . One on the center stack below forward gear. the climate control system. See Active Emergency Braking . One in the storage area on the System on page 9-63. bench seat. . One on the rear of the center If equipped with the Universal Power Outlets armrest storage. Remote system, these buttons will Accessory power outlets can be . One in the third row seat area on be in the front overhead console. used to plug in electrical equipment, the driver side. This system provides a way to such as a cell phone, MP3 . One in the rear cargo area on replace up to three remote control player, etc. the passenger side. transmitters used to activate devices such as garage door The vehicle may have up to five Lift the cover to access and replace openers, security systems, and accessory power outlets: when not in use. home automation devices. Vehicles with a Center Console See Power Outlets on page 5-7. See Universal Remote System on . One in front of the cupholders on page 5-52. the center console. . One inside the center storage console. . One on the rear of the center storage console. . One in the third row seat on the driver side. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (22,1) Mexico-8431503) - 2015 - crc - 8/11/14

1-22 In Brief

Sunroof Vent: From the closed position, When the sunroof is opened, an air press the rear of switch (2) to vent deflector will automatically raise. the sunroof. The air deflector will retract when Open/Close: To open the sunroof, the sunroof is closed. press and hold switch (1) until the The sunroof also has a sunshade sunroof reaches the desired which can be pulled forward to block position. Press and hold the front of sun rays. The sunshade must be switch (1) to close it. opened and closed manually. Express-Open/Express-Close: To If an object is in the path of the express-open the sunroof, fully sunroof while it is closing, the press and release the rear of anti-pinch feature will detect the switch (1) until the sunroof reaches object and stop the sunroof. the desired position. To See Sunroof on page 2-35. express-close the sunroof, fully 1. Open or Close press and release the front of 2. Vent switch (1). Press the switch again to stop it. On vehicles with a sunroof, the sunroof only operates when the ignition is in ACC/ACCESSORY or ON/RUN, or when Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) on page 9-27. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (23,1) Mexico-8431503) - 2015 - crc - 8/11/14

In Brief 1-23

Performance and . To turn off both traction control The low tire pressure warning light and StabiliTrak, press and alerts to a significant loss in Maintenance hold g until i and g illuminate pressure of one of the vehicle's in the instrument cluster and the tires. If the warning light comes on, Traction Control/ appropriate DIC message stop as soon as possible and inflate Electronic Stability displays. See Ride Control the tires to the recommended System Messages on page 5-38. pressure shown on the Tire and Control Loading Information label. See . Press and release g again to The vehicle has a traction control Vehicle Load Limits on page 9-14. turn on both systems. system that limits wheel spin and The warning light will remain on until the StabiliTrak system that assists . StabiliTrak will automatically turn the tire pressure is corrected. with directional control of the vehicle on if the vehicle exceeds The low tire pressure warning light in difficult driving conditions. Both 56 km/h (35 mph). Traction may come on in cool weather when systems come on automatically control will remain off. the vehicle is first started, and then when the vehicle is started and See Traction Control/Electronic turn off as the vehicle is driven. This begins to move. Stability Control on page 9-44. may be an early indicator that the . To turn off traction control, press tire pressures are getting low and Tire Pressure Monitor the tires need to be inflated to the and release g on the instrument proper pressure. panel to the left of the steering This vehicle may have a Tire wheel. The traction off light i Pressure Monitor System (TPMS). The TPMS does not replace normal monthly tire maintenance. Maintain displays in the instrument the correct tire pressures. cluster. The appropriate DIC message displays. See Ride See Tire Pressure Monitor System Control System Messages on on page 10-53. page 5-38. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (24,1) Mexico-8431503) - 2015 - crc - 8/11/14

1-24 In Brief

Engine Oil Life System The oil life system can also be reset Driving for Better Fuel as follows: The engine oil life system calculates Economy engine oil life based on vehicle use 1. Turn the ignition to ON/RUN with the engine off. Driving habits can affect fuel and, on most vehicles, displays a mileage. Here are some driving tips DIC message when it is necessary 2. Fully press the accelerator pedal to get the best fuel economy to change the engine oil and filter. slowly three times within possible. The oil life system should be reset five seconds. to 100% only following an oil . Avoid fast starts and accelerate 3. Display OIL LIFE REMAINING change. smoothly. on the DIC. If the display shows . Resetting the Oil Life System 100%, the system is reset. Brake gradually and avoid abrupt stops. To reset the engine oil life system: See Engine Oil Life System on page 10-9. . Avoid idling the engine for long 1. Display OIL LIFE REMAINING periods of time. on the DIC. See Driver . Information Center (DIC) on E85 or FlexFuel When road and weather page 5-28. If the vehicle does conditions are appropriate, use Vehicles with a yellow fuel cap can cruise control. not have DIC buttons, the use either unleaded gasoline or vehicle must be in P (Park) to ethanol fuel containing up to 85% . Always follow posted speed access this display. ethanol (E85). See E85 or FlexFuel limits or drive more slowly when conditions require. 2. Press and hold the V button on on page 9-71. For all other vehicles, use only the unleaded gasoline the DIC, or the trip odometer . Keep vehicle tires properly described under Fuel on page 9-69. reset stem if the vehicle does inflated. not have DIC buttons, for . Combine several trips into a several seconds. The oil life will single trip. change to 100%. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (25,1) Mexico-8431503) - 2015 - crc - 8/11/14

In Brief 1-25

. Replace the vehicle's tires with OnStar® the same TPC Spec number molded into the tire's sidewall This vehicle may be equipped with a near the size. comprehensive, in-vehicle system that can connect to a live OnStar . Follow recommended scheduled Advisor for Emergency, Security, maintenance. Navigation, Connection, and Diagnostic Services. OnStar Roadside Assistance services may require a paid Program subscription. See OnStar Overview U.S.: 1-888-881-3302 on page 14-1. TTY Users (U.S. Only): 1-888-889-2438 Canada: 1-800-268-6800 New GMC owners are automatically enrolled in the Roadside Assistance Program. See Roadside Assistance Program on page 13-5. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (26,1) Mexico-8431503) - 2015 - crc - 8/11/14

1-26 In Brief

2 NOTES GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (1,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-1

Keys, Doors, and Automatic Door Locks ...... 2-18 Folding Mirrors ...... 2-29 Lockout Protection ...... 2-18 Heated Mirrors ...... 2-30 Windows Safety Locks ...... 2-18 Automatic Dimming Mirror . . . 2-30 Blind Spot Mirrors ...... 2-30 Doors Reverse Tilt Mirrors ...... 2-31 Keys and Locks Liftgate ...... 2-19 Keys (Keys) ...... 2-2 Power Assist Steps ...... 2-23 Interior Mirrors Keys (Keyless) ...... 2-4 Interior Rearview Mirrors . . . . . 2-31 Remote Keyless Entry (RKE) Vehicle Security Manual Rearview Mirror ...... 2-31 System ...... 2-5 Vehicle Security ...... 2-24 Automatic Dimming Rearview Remote Keyless Entry (RKE) Vehicle Alarm System ...... 2-24 Mirror ...... 2-32 System Operation (Key) . . . . . 2-5 Immobilizer ...... 2-26 Child-View Mirror ...... 2-32 Remote Keyless Entry (RKE) Immobilizer Operation (Key System Operation Access) ...... 2-26 Windows (Keyless) ...... 2-8 Immobilizer Operation Windows ...... 2-32 Remote Vehicle Start ...... 2-15 (Keyless Access) ...... 2-27 Power Windows ...... 2-33 Sun Visors ...... 2-35 Door Locks ...... 2-16 Exterior Mirrors Power Door Locks ...... 2-17 Convex Mirrors ...... 2-28 Roof Delayed Locking ...... 2-18 Power Mirrors ...... 2-29 Sunroof ...... 2-35 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (2,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-2 Keys, Doors, and Windows

Keys and Locks Warning (Continued) Keys (Keys) the engine will shut off, braking and steering power assist may be { Warning impacted, and airbags may not deploy. To reduce the risk of Leaving children in a vehicle with unintentional rotation of the an ignition key or Remote ignition key, do not change the Keyless Entry (RKE) transmitter is way the ignition key and Remote dangerous and children or others Keyless Entry (RKE) transmitter, could be seriously injured or if equipped, are connected to the killed. They could operate the provided key rings. power window or other controls or { Warning make the vehicle move. The If the key is unintentionally The ignition key and key rings, and windows will function with the key RKE transmitter, if equipped, are rotated while the vehicle is in the ignition or with the RKE designed to work together as a running, the ignition could be transmitter in the vehicle, and system to reduce the risk of children or others could be caught moved out of the RUN unintentionally moving the key out in the path of a closing window. position. This could be caused by of the RUN position. The ignition Do not leave children in a vehicle heavy items hanging from the key key has a small hole to allow with the ignition key or an RKE ring, or by large or long items attachment of the provided key ring. transmitter. attached to the key ring that could It is important that any replacement be contacted by the driver or ignition keys have a small hole. See steering wheel. If the ignition your dealer if a replacement key is moves out of the RUN position, required. (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (3,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-3

The combination and size of the The key is used for the driver door, If a key is lost or damaged, see your rings that came with your keys were ignition, and glove box. dealer to have a new key made. specifically selected for your vehicle. The rings are connected to Programming Keys Programming without a the key like two links of a chain to Recognized Key (Key Follow these procedures to program Vehicles Only) reduce the risk of unintentionally up to eight keys to the vehicle. moving the key out of the RUN Program a new key to the vehicle position. Do not add any additional Programming with a Recognized when a recognized key is not items to the ring attached to the Key (Key Vehicles Only) available. Canadian regulations ignition key. Attach additional items To program a new key: require that Canadian owners see only to the second ring, and limit their dealer. 1. Insert the original, already added items to a few essential keys programmed key in the ignition If there are no currently recognized or small, light items no larger than and turn the key to the ON/RUN keys available, follow this procedure an RKE transmitter. position. to program the first key. 2. Turn the key to LOCK/OFF, and This procedure will take remove the key. approximately 30 minutes to complete for the first key. The 3. Insert the new key to be vehicle must be off and all of the programmed and turn it to the keys must be with you. ON/RUN position within five seconds. 1. Insert the new vehicle key into the ignition. The security light will turn off once the key has been 2. Turn to ON/RUN. The security programmed. light will come on. 4. Repeat Steps 1–3 if additional 3. Wait 10 minutes until the keys are to be programmed. security light turns off. 4. Turn the ignition to LOCK/OFF. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (4,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-4 Keys, Doors, and Windows

5. Repeat Steps 2–4 two more Keys (Keyless) times. After the third time, turn to ON/RUN; the key is learned and all previously known keys will no { Warning longer work with the vehicle. Leaving children in a vehicle with Remaining keys can be learned by an ignition key or Remote following the procedure in Keyless Entry (RKE) transmitter is “Programming with a Recognized dangerous and children or others Key (Key Vehicles Only).” could be seriously injured or The key has a bar-coded key tag killed. They could operate the that the dealer or qualified locksmith power window or other controls or can use to make new keys. Store make the vehicle move. The this information in a safe place, not windows will function with the key in the vehicle. in the ignition or with the RKE See your dealer if a replacement transmitter in the vehicle, and key or additional key is needed. children or others could be caught in the path of a closing window. If it becomes difficult to turn a key, Do not leave children in a vehicle inspect the key blade for debris. with the ignition key or an RKE Periodically clean with a brush transmitter. or pick. With an active OnStar subscription, an OnStar Advisor may remotely unlock the vehicle. See OnStar Overview on page 14-1. If the vehicle has the Keyless Access system, there is a key in the transmitter. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (5,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-5

This key is used for the driver door With an active OnStar subscription, Remote Keyless Entry and glove box. an OnStar Advisor may remotely unlock the vehicle. See OnStar (RKE) System Overview on page 14-1. Operation (Key) The RKE transmitter functions may Remote Keyless Entry work up to 60 m (197 ft) away from (RKE) System the vehicle. See Radio Frequency Statement on Other conditions can affect the page 13-12. performance of the transmitter. See Remote Keyless Entry (RKE) If there is a decrease in the RKE System on page 2-5. operating range: . Check the distance. The transmitter may be too far from the vehicle. If the vehicle has the Keyless Access system, the transmitter has . Check the location. Other a button on the side of the vehicles or objects may be transmitter used to remove the key. blocking the signal. Do not pull the key out without . Check the transmitter's battery. pressing the button. See “Battery Replacement” later See your dealer if a replacement in this section. key or additional key is needed. . If the transmitter is still not If it becomes difficult to turn a key, working correctly, see your inspect the key blade for debris. dealer or a qualified technician Periodically clean with a brush for service. or pick. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (6,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-6 Keys, Doors, and Windows

locking has occurred. If enabled If enabled through the DIC, the through the DIC, the horn chirps exterior lamps may turn on. See when Q is pressed again within Vehicle Personalization on three seconds. See Vehicle page 5-44. Personalization on page 5-44. If equipped, memory seat positions may be recalled when unlocking the Pressing arms the alarm system. Q vehicle if enabled. See Vehicle See Vehicle Alarm System on Personalization on page 5-44 and page 2-24. Memory Seats on page 3-5. If equipped with auto mirror folding, Pressing K on the RKE transmitter pressing and holding for Q disarms the alarm system. See one second will fold the mirrors. The With Remote Start (without Vehicle Alarm System on auto mirror folding feature will not page 2-24. Remote Start Similar) operate unless it is enabled. See / (Remote Vehicle Start): Vehicle Personalization on If equipped with auto mirror folding, K If equipped, press and release Q, page 5-44. pressing and holding for one second will unfold the mirrors. then immediately press and hold / K (Unlock): Press once to unlock The auto mirror folding feature will only the driver door. If K is pressed until the turn signal flash or for at not operate unless it is enabled. least four seconds. The engine may again within three seconds, all See Vehicle Personalization on be started from outside the vehicle remaining doors unlock. The interior page 5-44. using the RKE transmitter. See lamps may come on and stay on for Remote Vehicle Start on page 2-15. 20 seconds or until the ignition is b (Liftgate): Press twice to open turned on. or close the liftgate. Press once to Q (Lock): Press to lock all doors. stop the liftgate from moving. If enabled through the Driver If enabled through the DIC, the turn signal lamps flash twice to indicate c (Liftglass): Press twice to open Information Center (DIC), the turn the liftglass. signal lamps flash once to indicate unlocking has occurred. See Vehicle Personalization on page 5-44. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (7,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-7

7 (Vehicle Locator/Panic Battery Replacement To replace the battery: Alarm): Press and release to Replace the battery in the initiate vehicle locate. The turn transmitter soon if the REPLACE signal lamps flash and the horn BATTERY IN REMOTE KEY sounds three times. message displays in the DIC. Press and hold 7 for more than three seconds to activate the panic { Caution alarm. The turn signal lamps flash and the horn sounds repeatedly for When replacing the battery, do 30 seconds. The alarm turns off not touch any of the circuitry on when the ignition is moved to ON/ the transmitter. Static from your RUN or 7 is pressed again. The body could damage the ignition must be in LOCK/OFF for transmitter. the panic alarm to work. 1. Separate and remove the back Programming Transmitters to cover of the transmitter with a the Vehicle flat, thin object, such as a coin. Only RKE transmitters programmed to this vehicle will work. If a transmitter is lost or stolen, a replacement can be purchased and programmed through your dealer. Each vehicle can have up to eight transmitters programmed to it. See your dealer for transmitter programming. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (8,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-8 Keys, Doors, and Windows

Remote Keyless Entry (RKE) System Operation (Keyless) The Keyless Access system allows for vehicle entry when the transmitter is within 1 m (3 ft). See “Keyless Access Operation” later in this section. The RKE transmitter functions may work up to 60 m (197 ft) away from the vehicle. 2. Press and slide the battery down With Remote Start (without toward the pocket of the Other conditions can affect the Remote Start Similar) performance of the transmitter. See transmitter in the direction of the / (Remote Vehicle Start): key ring. Do not use a metal Remote Keyless Entry (RKE) If equipped, press and release , object System on page 2-5. Q then immediately press and hold / 3. Remove the battery. until the turn signal flash or for at 4. Insert the new battery, positive least four seconds. The engine may side facing up. Replace with a be started from outside the vehicle CR2032 or equivalent battery. using the RKE transmitter. See 5. Push together the transmitter Remote Vehicle Start on page 2-15. back cover top side first, and Q (Lock): Press to lock all doors. then the bottom toward the If enabled through the Driver key ring. Information Center (DIC), the turn signal lamps flash once to indicate GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (9,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-9

locking has occurred. If enabled through the DIC, the exterior lamps 7 (Vehicle Locator/Panic through the DIC, the horn chirps may turn on. See Vehicle Alarm): Press and release to when Q is pressed again within Personalization on page 5-44. initiate vehicle locate. The turn three seconds. See Vehicle If equipped, memory seat positions signal lamps flash and the horn Personalization on page 5-44. may be recalled when unlocking the sounds three times. vehicle if enabled. See Vehicle Pressing arms the alarm system. Press and hold 7 for more than Q Personalization on page 5-44 and three seconds to activate the panic See Vehicle Alarm System on Memory Seats on page 3-5. page 2-24. alarm. The turn signal lamps flash K and the horn sounds repeatedly for If equipped with auto mirror folding, Pressing on the RKE transmitter disarms the alarm system. See 30 seconds. The alarm turns off pressing and holding for Q Vehicle Alarm System on when the ignition is moved to ON/ one second will fold the mirrors. The page 2-24. RUN or 7 is pressed again. The auto mirror folding feature will not ignition must be in LOCK/OFF for operate unless it is enabled. See If equipped with auto mirror folding, the panic alarm to work. Vehicle Personalization on pressing and holding K for page 5-44. one second will unfold mirrors. The Keyless Access Operation auto mirror folding feature will not K (Unlock): Press once to unlock The Keyless Access system allows operate unless it is enabled. See only the driver door. If K is pressed for doors and the liftgate to be Vehicle Personalization on accessed without pressing the RKE again within three seconds, all page 5-44. remaining doors unlock. The interior transmitter button. The RKE lamps may come on and stay on for b (Liftgate): Press twice to open transmitter must be within 1 m (3 ft) 20 seconds or until the ignition is or close the liftgate. Press once to of the door being opened. If the turned on. stop the liftgate from moving. vehicle has this feature, there will be c (Liftglass): Press twice to open a button on the outside door If enabled through the DIC, the turn handles. signal lamps flash twice to indicate the liftglass. unlocking has occurred. If enabled GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (10,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-10 Keys, Doors, and Windows

Keyless Access can be Keyless Unlocking/Locking from programmed to unlock all doors on the Passenger Doors the first lock/unlock press from the When the doors are locked and the driver door. See Vehicle RKE transmitter is within 1 m (3 ft) Personalization on page 5-44. of the door handle, pressing the Keyless Unlocking/Locking from lock/unlock button on a passenger the Driver Door door handle will unlock all doors. Pressing the lock/unlock button will When the doors are locked and the cause all doors to lock if any of the RKE transmitter is within 1 m (3 ft) following occur: of the door handle, pressing the lock/unlock button on the driver door . The lock/unlock button was used to unlock all doors. handle will unlock the driver door. Driver Side Shown, Passenger If the lock/unlock button is pressed Similar . Any vehicle door has been again within five seconds, all opened and all doors are now passenger doors and liftgate will Pressing the lock/unlock button will closed. unlock. cause all doors to lock if any of the following occur: Passive Locking . It has been more than If equipped with Keyless Access, five seconds since the first lock/ this feature will lock the vehicle unlock button press. several seconds after all doors are closed, if the vehicle is off and at . Two lock/unlock button presses least one RKE transmitter has been were used to unlock all doors. removed from the interior, or none . Any vehicle door has been remain in the interior. opened and all doors are now If other electronic devices interfere closed. with the RKE transmitter signal, the vehicle may not detect the RKE GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (11,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-11

transmitter inside the vehicle. unlocked, or when all doors are longer work. Each vehicle can have If passive locking is enabled, the locked and the transmitter is within up to eight transmitters matched doors may lock with the RKE 1 m (3 ft). to it. transmitter inside the vehicle. Do not leave the RKE transmitter in an Keyless Liftglass Opening Programming with a Recognized Transmitter (Keyless Access unattended vehicle. Press the exterior liftglass button to open the liftglass when all doors are Vehicles Only) Temporary Disable Passive unlocked, or when all doors are A new transmitter can be Locking Feature locked and the transmitter is within programmed to the vehicle when Temporarily disable the passive 1 m (3 ft). there is one recognized transmitter. locking by pressing and holding K See Liftgate on page 2-19. To program, the vehicle must be off on the interior door switch with a and all transmitters, both currently door open for at least four seconds, Keyed Access recognized and new, must be or until three chimes are heard. To access a vehicle with a dead with you. Passive locking will then remain transmitter battery, see Door Locks 1. Remove the key from the disabled until Q on the interior door on page 2-16. recognized transmitter. is pressed, or until the vehicle is Programming Transmitters to turned on. 2. Place the recognized the Vehicle transmitter(s) in the cupholder or To customize the doors to passenger seat. automatically lock when exiting the Only RKE transmitters programmed to the vehicle will work. If a vehicle, see “Remote Lock, Unlock, transmitter is lost or stolen, a Start” under Vehicle Personalization on page 5-44. replacement can be purchased and programmed through your dealer. Keyless Liftgate Opening The vehicle can be reprogrammed Press the touch pad on the so that lost or stolen transmitters no underside of the liftgate handle to open the liftgate when all doors are GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (12,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-12 Keys, Doors, and Windows

3. Insert the vehicle key into the front of the storage area next to Programming without a key lock cylinder on the driver the center console storage area Recognized Transmitter (Keyless door handle. Then turn the key between the driver and front Access Vehicles Only) counterclockwise, to the unlock passenger seats. If there are no currently recognized position, five times within 5. Press the ENGINE START/ transmitters available, follow this 10 seconds. STOP button. When the procedure to program up to eight The Driver Information Center transmitter is learned, the DIC transmitters. This feature is not (DIC) displays READY FOR display will show that it is ready available in Canada. This procedure REMOTE#2, 3, 4, ETC. to program the next transmitter. will take approximately 30 minutes 6. Remove the transmitter from the to complete. The vehicle must be off and all transmitters to be transmitter pocket and press K programmed must be with you. or on the transmitter. Q 1. Remove the vehicle key from the To program additional transmitter. transmitters, repeat Steps 4–6. 2. Insert the vehicle key into the When all additional transmitters key lock cylinder on the driver are programmed, press and hold door handle; then turn the key the ENGINE START/STOP counterclockwise, to the unlock button for approximately position five times within 12 seconds to exit 10 seconds. programming mode. The Driver Information Center 4. Place the new transmitter in the 7. Return the key back into the (DIC) displays REMOTE LEARN transmitter pocket/insert. transmitter. PENDING, PLEASE WAIT. Open the center console storage area and the storage tray. The transmitter pocket/insert is in GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (13,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-13

3. Wait for 10 minutes until the DIC 7. Remove the transmitter from the displays PRESS ENGINE transmitter pocket/insert and START BUTTON TO LEARN, press K or Q on the transmitter. then press the ENGINE START/ STOP button. To program additional transmitters, repeat Steps 5–7. The DIC display will again show REMOTE LEARN PENDING, When all additional transmitters PLEASE WAIT. are programmed, press and hold the ENGINE START/STOP 4. Repeat Step 3 two additional button for approximately times. After the third time all 12 seconds to exit previously known transmitters programming mode. will no longer work with the vehicle. Remaining transmitters 5. Place the new transmitter in the 8. Return the key back into the can be relearned during the next transmitter pocket/insert. transmitter. steps. Open the center console storage Starting the Vehicle with a Low The DIC display should now area and the storage tray. The Transmitter Battery show READY FOR REMOTE transmitter pocket/insert is in If the transmitter battery is weak or if # 1. front of the storage area next to the center console storage area there is interference with the signal, between the driver and front the DIC may display NO REMOTE passenger seats. DETECTED or NO REMOTE KEY WAS DETECTED PLACE KEY IN 6. Press the ENGINE START/ TRANSMITTER POCKET THEN STOP button. When the START YOUR VEHICLE. when transmitter is learned, the DIC starting the vehicle. See Key and display will show that it is ready Lock Messages on page 5-35. to program the next transmitter. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (14,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-14 Keys, Doors, and Windows

To start the vehicle: Battery Replacement To replace the battery: 1. Open the center console storage Replace the battery in the area and the storage tray. transmitter soon if the REPLACE BATTERY IN REMOTE KEY message displays in the DIC.

{ Caution

When replacing the battery, do not touch any of the circuitry on the transmitter. Static from your body could damage the transmitter. 1. With the key removed, insert a flat, thin object in center of the 2. Place the transmitter in the transmitter to separate and transmitter pocket/insert. remove the back cover. 3. With the vehicle in P (Park) or N (Neutral) press the brake pedal and the ENGINE START/ STOP button. Replace the transmitter battery as soon as possible. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (15,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-15

The rear defog and heated and The engine will turn off during a cooled seats, if equipped, may also remote vehicle start if: come on. See Heated and Cooled . The coolant temperature gets Front Seats on page 3-7 and too high. Vehicle Personalization on page 5-44. . The oil pressure gets low. Laws in some communities may The RKE transmitter range may be restrict the use of remote starters. reduced while the vehicle is running. Check local regulations for any Other conditions can affect the requirements on remote starting of performance of the transmitter. See vehicles. Remote Keyless Entry (RKE) Do not use remote start if the System on page 2-5 or Vehicle 2. Lift the battery with a flat object. vehicle is low on fuel. Personalization on page 5-44. 3. Remove the battery. The vehicle cannot be remote Starting the Engine Using Remote 4. Insert the new battery, positive started if: Start side toward the back cover. . The key is in the ignition (Key 1. Press and release Q. Replace with a CR2032 or Access) or the transmitter is in equivalent battery. the vehicle (Keyless Access). 5. Push together the transmitter. . The hood is not closed. Remote Vehicle Start . There is an emission control system malfunction and the If equipped with the remote start malfunction indicator lamp is on. feature, the climate control system will come on when the vehicle is started remotely depending on the outside temperature. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (16,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-16 Keys, Doors, and Windows

2. Immediately press and hold / The vehicle's ignition must be Warning (Continued) until the turn signal lamps flash turned on and then back off to use remote start again. or for at least four seconds. thrown out of the vehicle in a When the vehicle starts, the Canceling a Remote Start crash is increased if the parking lamps will turn on. The To cancel a remote start, do one of doors are not locked. So, all doors will be locked and the the following: passengers should wear climate control system may safety belts properly and the come on. . Press and hold / until the doors should be locked parking lamps turn off. whenever the vehicle is The engine will continue to run driven. for 10 minutes. Repeat . Turn on the hazard warning Steps 1 and 2 for a 10-minute flashers. . Young children who get into unlocked vehicles may be time extension. . Turn the ignition on and then off. unable to get out. A child can Place the ignition in ON/RUN/ be overcome by extreme heat START to operate the vehicle. Door Locks and can suffer permanent Extending Engine Run Time injuries or even death from { Warning heat stroke. Always lock the The engine run time can be vehicle whenever leaving it. extended by 10 minutes, for a total Unlocked doors can be . Outsiders can easily enter of 20 minutes, if during the first dangerous. 10 minutes Steps 1 and 2 are through an unlocked door repeated while the engine is still . Passengers, especially when you slow down or stop running. An extension can be children, can easily open the the vehicle. Locking the doors requested, 30 seconds after doors and fall out of a moving can help prevent this from starting. vehicle. When a door is happening. locked, the handle will not A maximum of two remote starts, open it. The chance of being or a single start with an extension, is allowed between ignition cycles. (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (17,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-17

To lock or unlock the doors from Keyless Access To access the key cylinder, insert outside the vehicle: If equipped, the RKE transmitter the key into slot on the bottom of the door handle and pry cover off. . K must be within 1 m (3 ft) of the door Press Q or on the Remote Replace cover when done by Keyless Entry (RKE) transmitter. being opened. Press the button on the door handle to open. See snapping on tabs. . Use the key in the driver door. “Keyless Access Operation” in To lock or unlock the doors from Remote Keyless Entry (RKE) Power Door Locks inside the vehicle: System Operation (Key) on Press or K on the Remote page 2-5 or Remote Keyless Entry Q Keyless Entry (RKE) transmitter. . Press Q or K on the power door (RKE) System Operation (Keyless) See Remote Keyless Entry (RKE) lock switch. on page 2-8. System Operation (Key) on . Pushing down the manual lock Key Cylinder Access page 2-5 or Remote Keyless Entry knob on the driver door will lock (RKE) System Operation (Keyless) all doors. Pushing down the on page 2-8. manual lock knob on a passenger door will lock only that door. . Pulling an interior door handle will unlock the door. Pulling the door handle again unlatches it. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (18,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-18 Keys, Doors, and Windows

Q (Lock): Press to lock the doors. Automatic Door Locks If Unlocked Door Anti-Lockout is K turned on, the vehicle is off with the (Unlock): Press to unlock the The vehicle may have an automatic driver door open, and door locking doors. lock/unlock feature. This feature can is requested, all the doors will lock be programmed using the Driver and only the driver door will unlock. Delayed Locking Information Center (DIC). See The Unlocked Door Anti-Lockout Vehicle Personalization on feature can be turned on or off using When locking the doors with the page 5-44. power lock switch and a door or the the vehicle personalization menus. liftgate is open, the doors will lock See Vehicle Personalization on five seconds after the last door is Lockout Protection page 5-44. closed. You will hear three chimes Keyed Ignition: When locking is to signal that the delayed locking requested with the driver door open Safety Locks feature is in use. and the key in the ignition, all the The rear door safety locks prevent Pressing the power lock switch doors will lock and then the driver passengers from opening the rear twice will override the delayed door will unlock. This can be doors from inside the vehicle. locking feature and immediately lock manually overridden by pressing all the doors. and holding Q on the power door lock switch. This feature will not operate if the key is in the ignition. Pushbutton Start: When locking is requested with the driver door This feature can be programmed open and the vehicle is in ACC/ using the Driver Information ACCESSORY or ON/RUN/START, Center (DIC). See Delayed Door “ all the doors will lock and then the Lock under Vehicle Personalization ” driver door will unlock. This can be on page 5-44. manually overridden by pressing and holding Q on the power door lock switch. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (19,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-19

Doors Warning (Continued) Liftgate . Adjust the climate control system to a setting that { Warning brings in only outside air and set the fan speed to the Exhaust gases can enter the highest setting. See “Climate vehicle if it is driven with the Control Systems” in the liftgate or trunk/hatch open, Index. or with any objects that pass . If the vehicle is equipped with through the seal between the a power liftgate, disable the { body and the trunk/hatch or power liftgate function. Press to activate the safety locks liftgate. Engine exhaust contains on the rear doors. The indicator light See Engine Exhaust on carbon monoxide (CO) which page 9-30. comes on when activated. cannot be seen or smelled. It can Press { again to deactivate the cause unconsciousness and even safety locks. death. { Caution If the vehicle must be driven with the liftgate or trunk/hatch open: To avoid damage to the liftgate or . Close all of the windows. liftglass, make sure the area above and behind the liftgate is . Fully open the air outlets on clear before opening it. or under the instrument panel. (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (20,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-20 Keys, Doors, and Windows

Manual Liftgate There will be a delay in the release Power Liftgate Operation of the liftglass if there is an attempt to open it while the rear wipers are { Warning in motion. Use the pull cup to lower and close You, or others, could be injured if the liftgate. Do not press the touch caught in the path of the power pad while closing the liftgate. This liftgate. Make sure there is no one will cause the liftgate to be in the way of the liftgate as it is unlatched. opening and closing. If equipped with Keyless Access, the RKE transmitter must be within 1 m (3 ft) of the liftgate to automatically unlock it. See Remote Keyless Entry (RKE) System To open the liftgate, press K on the Operation (Key) on page 2-5 or power door lock switch or press K Remote Keyless Entry (RKE) System Operation (Keyless) on on the RKE transmitter twice to page 2-8. unlock all doors. Press the touch pad (1) on the underside of the The liftgate has an electric latch. liftgate handle and lift up. If the battery is disconnected or has low voltage, the liftgate will not Press the button (2) above the open. The liftgate will resume license plate to open the liftglass, operation when the battery is or press b twice quickly on the reconnected and charged. If equipped, the switch is on the RKE transmitter. Do not leave the overhead console. The vehicle must liftglass open when raising the be in P (Park). liftgate. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (21,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-21

The modes are: vehicle can be opened if the Do not manually force the liftgate to RKE transmitter is within 1 m open or close during a power cycle. . MAX: Opens to maximum height. (3 ft) of the touch pad. The power liftgate may be temporarily disabled in extremely . 3/4: Opens to a reduced height that can be set from 3/4 to fully low temperatures, or after repeated open. Use to prevent the liftgate power cycling over a short period of from opening into overhead time. If this occurs, the liftgate can objects such as a garage door or still be operated manually. Select roof-mounted cargo. The liftgate OFF on the liftgate switch. can be opened all the way If the vehicle is shifted out of manuallly. P (Park) while the power function is in progress, the liftgate will continue . OFF: Opens manually only. to completion. If the vehicle is To open or close the liftgate, select accelerated before the liftgate has MAX or 3/4 mode and then: completed moving, the liftgate may stop or reverse direction. Make sure . Press twice quickly on the . b Press l on the bottom edge of the liftgate is closed and latched RKE transmitter until the liftgate the liftgate next to the latch to before driving. moves. close. If the power liftgate support strut . Press 8 on the overhead Press any liftgate button, the touch has lost pressure, the turn signals console. The driver door must pad, or b on the RKE transmitter will flash and a chime will sound be unlocked. while the liftgate is moving to stop it. while the liftgate automatically . Press the touch pad on the Pressing again restarts the closes. See your dealer for service outside liftgate handle after operation in the reverse direction. before using the power liftgate. unlocking all doors. If equipped The touch pad on the liftgate handle with Keyless Access, a locked cannot be used to close the liftgate. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (22,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-22 Keys, Doors, and Windows

Obstacle Detection Features direction and open fully. The liftgate Manual Operation will remain open until it is activated If the liftgate encounters an obstacle Select OFF to manually operate the again or closed manually. during a power open or close cycle, liftgate. See “Manual Liftgate” at the a warning chime will sound and the Setting the 3/4 Mode beginning of this section. liftgate will automatically reverse direction and move a short distance To change the position the liftgate Hands-Free Operation stops at when opening: away from the obstacle. After If equipped with Hands-Free Vehicle removing the obstruction, the power 1. Select MAX or 3/4 mode and Access, the liftgate may be liftgate operation can be used again. open the liftgate. operated with a kicking motion If the liftgate encounters multiple 2. Stop the liftgate movement at under the rear bumper. obstacles on the same power cycle, the desired height by pressing The liftgate will not operate if the the power function will deactivate. any liftgate button. Manually RKE transmitter is not within After removing the obstructions, adjust the liftgate position if 1 m (3 ft). manually close the liftgate. This will needed. allow normal power operation The hands-free feature will not work functions to resume. 3. Press and hold l next to the while the liftgate is moving. To stop the liftgate while in motion use one If the vehicle is locked while the latch on the outside of the of the liftgate switches. liftgate is closing, and an obstacle liftgate until the turn signals flash prevents the liftgate from completely and a beep sounds. This closing, the horn will sound as an indicates the setting has been alert that the liftgate did not close. recorded. Pinch sensors are on the side The liftgate cannot be set below a edges of the liftgate. If an object is minimum programmable height. caught between the liftgate and the If there is no light flash or sound, vehicle and presses against a then the height adjustment may be sensor, the liftgate will reverse too low. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (23,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-23

To operate, kick your foot straight up liftgate by another method or in one swift motion under the center start the vehicle. The feature will of the rear bumper, then pull it back. be re-enabled. When closing the liftgate using this { Caution feature, there will be a short delay. The rear lights will flash and a Splashing water may cause the chime will sound. Step away from liftgate to open. Keep the RKE the before it starts moving. transmitter away from the rear bumper detection area or turn the Power Assist Steps liftgate mode to OFF when cleaning or working near the rear Length of Kick Zone bumper to avoid accidental opening.

. Do not sweep your foot side to side. . Do not keep your foot under the bumper; the liftgate will not activate. . Do not touch the liftgate until it has stopped moving. . This feature may be temporarily If equipped, the power assist steps disabled under some conditions. will deploy when the door is opened If the liftgate does not respond to and automatically retract the kick, open or close the three seconds after the door is GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (24,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-24 Keys, Doors, and Windows

closed. The power assist steps will There are two other modes of Vehicle Security retract immediately if the vehicle operation: This vehicle has theft-deterrent starts moving. Deploy Mode: To extend both power features; however, they do not make Keep hands, children, pets, objects, assist steps for cleaning, press j the vehicle impossible to steal. and clothing clear of the power while the vehicle is in P (Park) or assist steps when in motion. The N (Neutral). Press j again to steps will reverse direction if they Vehicle Alarm System encounter an obstruction when retract them. The DIC will display a opening or closing. Remove the message. obstruction, then open and close the Lock Mode: Press and hold j for door on the same side to complete four seconds to lock and disable the the motion of the assist steps. If the power assist steps. Press and obstruction is not cleared, the assist j steps remain extended while driving. hold for four seconds again to enable them. The DIC will display a message.

The indicator light, on the instrument panel near the windshield, indicates the status of the system. Off: Alarm system is disarmed. On Solid: Vehicle is secured during the delay to arm the system. Fast Flash: Vehicle is unsecured. A door, liftgate or the hood is open. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (25,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-25

Slow Flash: Alarm system is If the driver door is opened without . Start the vehicle. armed. first unlocking with the RKE To avoid setting off the alarm by transmitter, the horn will chirp and accident: Arming the Alarm System the lights will flash to indicate . Lock the vehicle after all 1. Turn off the vehicle. pre-alarm. If the vehicle is not started, or the door is not unlocked occupants have exited. 2. Lock the vehicle with one of . Always unlock a door with the three ways: by pressing K on the RKE transmitter during the 10-second RKE transmitter, or use the . Use the RKE transmitter. pre-alarm, the alarm will be Keyless Access system. . Use the Keyless Access activated. Unlocking the driver door with system. The alarm will also be activated if a the key will not disarm the system or turn off the alarm. . With a door open, press Q passenger door, the liftgate, or the on the interior of the door. hood is opened without first How to Detect a Tamper disarming the system. When the Condition 3. After 30 seconds the alarm alarm is activated, the turn signals system will arm, and the flash and the horn sounds for about If K is pressed on the RKE indicator light will begin to slowly 30 seconds. The alarm system will transmitter and the horn chirps three flash. Pressing Q on the RKE then re-arm to monitor for the next times, an alarm occurred previously transmitter a second time will unauthorized event. while the alarm system was armed. bypass the 30-second delay and immediately arm the alarm Disarming the Alarm System If the alarm has been activated, a system. To disarm the alarm system or turn message will appear on the DIC. off the alarm if it has been activated: See Security Messages on The vehicle alarm system will not page 5-39. arm if the doors are locked with . Press K on the RKE transmitter. the key. . Unlock the vehicle using the Keyless Access system. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (26,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-26 Keys, Doors, and Windows

. Make sure there are no Intrusion Sensor and With the vehicle off, press o in obstructions blocking the Inclination Sensor the front overhead console to turn sensors in the front overhead off the feature. In addition to the standard console. theft-deterrent system features, this The indicator light will come on . Close DVD screens before system may also have an inclination momentarily, indicating that these leaving the vehicle. sensor and intrusion sensor. sensors have been disabled until The inclination sensor can set off Intrusion and Inclination the next time the alarm system is the alarm if it senses movement of Sensors Disable Switch armed. the vehicle, such as a change in vehicle orientation. Immobilizer The intrusion sensor monitors the See Radio Frequency Statement on vehicle interior, and can activate the page 13-12. alarm if it senses unauthorized entry into the vehicle’s interior. Do not Immobilizer Operation allow passengers or pets to remain (Key Access) in the vehicle when the intrusion sensor is activated. Before arming the theft-deterrent system and activating the intrusion sensor: . Make sure all doors and It is recommended that the intrusion windows are completely closed. and inclination sensors be This vehicle has a passive . Secure any loose items such as deactivated if pets are left in the theft-deterrent system. a sunshades. vehicle or the vehicle is being transported. The system does not have to be manually armed or disarmed. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (27,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-27

The vehicle is automatically the vehicle needs service. If the Immobilizer Operation immobilized when the vehicle is vehicle does start, the first key may turned off. be faulty. See your dealer. (Keyless Access) The system is automatically It is possible for the immobilizer This vehicle has a passive disarmed when the key is turned to system to learn new or replacement theft-deterrent system. ON/RUN, ACC/ACCESSORY, keys. Up to eight keys can be The system does not have to be or START from the LOCK/OFF programmed for the vehicle. To manually armed or disarmed. position. program additional keys, see Keys The vehicle is automatically (Keys) on page 2-2 or Keys The security light, in the instrument immobilized when the transmitter (Keyless) on page 2-4. To program cluster, comes on if there is a leaves the vehicle. problem with arming or disarming additional transmitters, see Remote The immobilization system is the theft-deterrent system. Keyless Entry (RKE) System Operation (Key) on page 2-5 or disarmed when the ignition button is When trying to start the vehicle, the Remote Keyless Entry (RKE) pressed in and a valid transmitter is security light comes on briefly when System Operation (Keyless) on found in the vehicle. the ignition is turned on. page 2-8. If the engine does not start and the Do not leave the key or device that security light stays on, there is a disarms or deactivates the vehicle problem with the system. Turn the theft system in the vehicle. ignition off and try again. See your dealer to get a new key If the engine still does not start, and blank cut exactly as the ignition key the key appears to be undamaged, that operates the system. try another ignition key. It may be The security light in the instrument necessary to check the fuse. See cluster comes on if there is a Fuses on page 10-33. If the engine problem with arming or disarming still does not start with the other key, the theft-deterrent system. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (28,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-28 Keys, Doors, and Windows

The system has one or more passenger seats. See “Starting the Exterior Mirrors transmitters matched to an Vehicle with a Low Transmitter” immobilizer control unit in the under Remote Keyless Entry (RKE) vehicle. Only a correctly matched System Operation (Key) on Convex Mirrors transmitter will start the vehicle. page 2-5 or Remote Keyless Entry If the transmitter is ever damaged, (RKE) System Operation (Keyless) { Warning you may not be able to start the on page 2-8. vehicle. A convex mirror can make things, If the engine does not start with the like other vehicles, look farther When trying to start the vehicle, the other transmitter or when the away than they really are. If you security light comes on briefly when transmitter is in the pocket in the cut too sharply into the right lane, the ignition is turned on. center console, the vehicle needs service. See your dealer who can you could hit a vehicle on the If the engine does not start and the right. Check the inside mirror or security light stays on, there is a service the theft-deterrent system and have a new transmitter glance over your shoulder before problem with the system. Turn the changing lanes. vehicle off and try again. programmed to the vehicle. If the RKE transmitter appears to be Do not leave the transmitter or device that disarms or deactivates The passenger side mirror is convex undamaged, try another transmitter shaped. A convex mirror's surface is or place the transmitter in the the theft-deterrent system in the vehicle. curved so more can be seen from transmitter pocket/insert next to the the driver seat. center console storage area between the driver and front GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (29,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-29

Power Mirrors 4. Press either (1) or (2) again to Folding Mirrors deselect the mirror. The indicator light goes off. Power Folding Exterior Automatic Dimming Mirror If equipped, the driver outside mirror automatically adjusts for the glare of headlamps behind. This feature comes on when the vehicle is started. See Automatic Dimming Rearview Mirror on page 2-32. Turn Signal Indicator Shown with Power Folding The vehicle may also have a turn Mirrors, Manual Folding Similar signal indicator on the mirror. An To adjust the mirrors: arrow on the mirror flashes in the To adjust power folding mirrors, direction of the turn or lane change. 1. Press (1) or (2) to select the if equipped: driver or passenger side mirror. 1. Press { to fold the mirrors The indicator light comes on. inward. 2. Press the arrows on the control pad to move the mirror up, 2. Press { again to return the down, right, or left. mirrors to the driving position. 3. Adjust the outside mirror so that the side of the vehicle and the area behind are seen. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (30,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-30 Keys, Doors, and Windows

Resetting the Power Folding Heated Mirrors Driving with the Blind Spot Mirrors Mirror The heated outside rearview mirrors Reset the power folding mirrors if: turn on when the rear window . The mirrors are accidentally defogger is on. obstructed while folding. 1 (Rear Window Defogger): . They are accidentally manually Press to heat the mirror. folded/unfolded. See “Rear Window Defogger” under . The mirrors will not stay in the Dual Automatic Climate Control unfolded position. System on page 8-1. . The mirrors vibrate at normal driving speeds. Automatic Dimming Fold and unfold the mirrors one time Mirror using the mirror controls to reset If the vehicle has the automatic them to their normal position. dimming mirror, the driver outside A popping noise may be heard mirror automatically adjusts for the during the resetting of the power glare of the headlamps from behind. folding mirrors. This sound is normal after a manual folding operation. Blind Spot Mirrors Manual Folding If equipped, there is a small convex mirror built into the upper and outer Fold the mirrors inward to prevent corner of the driver outside rearview damage when going through an automatic car wash. To fold, pull the mirror. It can show objects that may mirror toward the vehicle. Push the be in the vehicle's blind zone. mirror outward, to return to its Actual Mirror View original position. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (31,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-31

1. When the approaching vehicle is vehicle. Check the blind spot Interior Mirrors a long distance away, the image mirror for a vehicle in the blind in the main mirror is small and zone. Then, glance over your near the inboard edge of the shoulder to double check before Interior Rearview Mirrors mirror. moving slowly into the Adjust the rearview mirror for a clear 2. As the vehicle gets closer, the adjacent lane. view of the area behind your image in the main mirror gets vehicle. larger and moves outboard. Reverse Tilt Mirrors If equipped with OnStar, the vehicle 3. As the vehicle enters the blind If equipped with memory seats, the may have three control buttons at zone, the image transitions from passenger and/or driver mirror tilts the bottom of the mirror. See your the main mirror to the blind spot to a preselected position when the dealer for more information about mirror. vehicle is in R (Reverse). This OnStar and how to subscribe to it. allows the curb to be seen when See OnStar Overview on page 14-1. 4. When the vehicle is in the blind parallel parking. zone, the image only appears in Do not spray glass cleaner directly the blind spot mirror. The mirror(s) return to the original on the mirror. Use a soft towel position when: dampened with water. Using the Outside Mirror with . The vehicle is shifted out of the Blind Spot Mirror R (Reverse), or remains in Manual Rearview Mirror 1. Set the main mirror so that the R (Reverse) for about If equipped with a manual rearview side of the vehicle can just be 30 seconds. mirror, push the tab forward for seen and the blind spot mirror . The ignition is turned off. daytime use and pull it for nighttime has an unobstructed view. use to avoid glare from the . The vehicle is driven in headlamps from behind. 2. When checking for traffic or R (Reverse) above a set speed. before changing a lane, look at the main driver/passenger side To turn this feature on or off, see mirror to observe traffic in the Vehicle Personalization on adjacent lane, behind your page 5-44. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (32,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-32 Keys, Doors, and Windows

Automatic Dimming Child-View Mirror Windows Rearview Mirror If equipped, automatic dimming { Warning reduces the glare of headlamps from behind. The dimming feature Never leave a child, a helpless comes on when the vehicle is adult, or a pet alone in a vehicle, started. especially with the windows closed in warm or hot weather. They can be overcome by the extreme heat and suffer permanent injuries or even death from heat stroke.

If equipped, push up on the sunglasses bin and release. Push the bin back in halfway to secure the mirror in position. Push the mirror back up when not in use. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (33,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-33

The vehicle aerodynamics are Express-Down Windows designed to improve fuel economy Windows that have the performance. This may result in a express-down feature allow the pulsing sound when either rear windows to be lowered without window is down and the front holding the switch. Press the windows are up. To reduce the window switch fully and release it to sound, open either a front window activate the express-down feature. or the sunroof, if equipped. The express mode can be canceled at any time by briefly pressing or Power Windows pulling the switch. { Warning Express-Up Window The driver door has switches that If equipped, the driver window Children could be seriously control all windows. Each express-up feature allows the injured or killed if caught in the passenger door switch only controls window to be raised without holding path of a closing window. Never that window. The power windows the switch. Pull the window switch leave keys in a vehicle with work when the ignition is in ON/ up fully and release it to activate the children. When there are children RUN or ACC/ACCESSORY, or in express-up feature. The express-up in the rear seat, use the window Retained Accessory Power (RAP). feature can be canceled at any time lockout button to prevent See Retained Accessory Power by briefly pulling the switch. operation of the windows. See (RAP) on page 9-27. Keys (Keys) on page 2-2 or Keys Programming the Power Press the switch to lower the Windows (Keyless) on page 2-4. window. Pull the switch up to raise it. If the battery on the vehicle has been recharged or disconnected, or is not working, the driver power GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (34,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-34 Keys, Doors, and Windows

window will need to be window returns to normal operation In this mode, the window can still reprogrammed for the express-up once the obstacle or condition is close on an object in its path. Use feature to work. removed. care when using the override mode. To reprogram the power windows: Express Window Anti-Pinch Window Lockout 1. Close all doors. Override This feature prevents the rear 2. Place the ignition in ACC/ passenger windows from operating, ACCESSORY or ON/RUN/ { Warning except from the driver position. START. If express override is activated, 3. From any open position, pull the the window will not reverse power window switch up until the automatically. You or others could window is fully closed. be injured and the window could 4. Hold the switch up for be damaged. Before you use approximately two seconds after express override, make sure that the window is fully closed. all people and obstructions are The window is now reprogrammed. clear of the window path. Express Window Anti-Pinch The anti-pinch feature can be Feature overridden in a supervised mode. If any object is in the path of the Hold the window switch in the window when express-up is active, partially or fully pulled up position. . Press Z to activate the rear the window stops at the obstacle The window rises for as long as the window locks. An indicator light and auto-reverses to a preset switch is held. Once the switch is will illuminate when the feature factory position. Weather conditions released, the express mode is is on. such as severe icing also cause the reactivated. window to auto-reverse. The . Press Z again to deactivate the rear window locks. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (35,1) Mexico-8431503) - 2015 - crc - 8/11/14

Keys, Doors, and Windows 2-35

Sun Visors Roof Vent: From the closed position, press the rear of switch (2) to vent Sunroof the sunroof. Open/Close: To open the sunroof, press and hold switch (1) until the sunroof reaches the desired position. Press and hold the front of switch (1) to close it. Express-Open/Express-Close: To express-open the sunroof, fully press and release the rear of Pull the sun visor down to block switch (1) until the sunroof reaches glare. Detach the sun visor from the the desired position. To center mount to pivot to the side express-close the sunroof, fully window or, if equipped, extend press and release the front of along the rod. switch (1). Press the switch again to 1. Open or Close stop it. 2. Vent When the sunroof is opened, an air deflector will automatically raise. On vehicles with a sunroof, the The air deflector will retract when sunroof only operates when the the sunroof is closed. ignition is in ACC/ACCESSORY or ON/RUN, or when Retained The sunroof also has a sunshade Accessory Power (RAP) is active. which can be pulled forward to block See Retained Accessory Power sun rays. The sunshade must be (RAP) on page 9-27. opened and closed manually. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (36,1) Mexico-8431503) - 2015 - crc - 8/11/14

2-36 Keys, Doors, and Windows

If an object is in the path of the sunroof while it is closing, the anti-pinch feature will detect the object and stop the sunroof.

Dirt and debris may collect on the sunroof seal or in the track. This could cause an issue with sunroof operation or noise. It could also plug the water drainage system. Periodically open the sunroof and remove any obstacles or loose debris. Wipe the sunroof seal and roof sealing area using a clean cloth, mild soap, and water. Do not remove grease from the sunroof. If water is seen dripping into the water drainage system, this is normal. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (1,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-1

Seats and Lap-Shoulder Belt ...... 3-21 Adding Equipment to the Safety Belt Use During Airbag-Equipped Vehicle . . . 3-40 Restraints Pregnancy ...... 3-26 Airbag System Check ...... 3-41 Lap Belt ...... 3-26 Replacing Airbag System Safety Belt Extender ...... 3-27 Parts after a Crash ...... 3-42 Head Restraints Safety System Check ...... 3-27 Head Restraints ...... 3-2 Safety Belt Care ...... 3-27 Child Restraints Older Children ...... 3-42 Front Seats Replacing Safety Belt System Parts after a Crash ...... 3-28 Infants and Young Center Seat ...... 3-3 Children ...... 3-44 Power Seat Adjustment ...... 3-3 Airbag System Child Restraint Systems . . . . . 3-47 Lumbar Adjustment ...... 3-4 Airbag System ...... 3-28 Where to Put the Restraint . . . 3-49 Reclining Seatbacks ...... 3-4 Where Are the Airbags? . . . . . 3-30 Lower Anchors and Tethers Memory Seats ...... 3-5 When Should an Airbag for Children (LATCH Heated and Cooled Front Inflate? ...... 3-32 System) ...... 3-50 Seats ...... 3-7 What Makes an Airbag Replacing LATCH System Rear Seats Inflate? ...... 3-33 Parts After a Crash ...... 3-59 How Does an Airbag Securing Child Restraints Heated Rear Seats ...... 3-9 Restrain? ...... 3-34 (Center Front Seat) ...... 3-59 Second Row Seats ...... 3-10 What Will You See after an Securing Child Restraints Third Row Seats ...... 3-14 Airbag Inflates? ...... 3-34 (Rear Seat) ...... 3-59 Safety Belts Passenger Sensing Securing Child Restraints Safety Belts ...... 3-18 System ...... 3-35 (Front Passenger Seat) . . . . 3-62 How to Wear Safety Belts Servicing the Airbag-Equipped Properly ...... 3-20 Vehicle ...... 3-40 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (2,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-2 Seats and Restraints

Head Restraints Front Seats The vehicle’s front seats have adjustable head restraints in the outboard seating positions.

{ Warning

With head restraints that are not installed and adjusted properly, there is a greater chance that occupants will suffer a neck/ Adjust the head restraint so that the The height of the head restraint can spinal injury in a crash. Do not top of the restraint is at the same be adjusted. Pull the head restraint drive until the head restraints for height as the top of the occupant's up to raise it. Try to move the head all occupants are installed and head. This position reduces the restraint to make sure that it is chance of a neck injury in a crash. locked in place. adjusted properly. To lower the head restraint, press the button, located on the top of the seatback, and push the head restraint down. Try to move the head restraint after the button is released to make sure that it is locked in place. The front seat outboard head restraints are not removable. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (3,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-3

Second Row Seats To lower the head restraint, press Front Seats the button located on the top of the The vehicle's second row seats seatback and push the head have head restraints in the outboard restraint down. Center Seat seating positions that cannot be adjusted. Return the lowered head restraint to If equipped, the center front the upright position until it locks into seatback doubles as an armrest and The second row seat outboard head place. Push and pull on the head cupholder/storage area for the driver restraints are not removable. restraint to make sure it is locked. and passenger when the center Third Row Seats front seat is not used. Do not use it If you are installing a child restraint as a seating position when the in the third row seat, see “Securing seatback is folded down. a Child Restraint Designed for the LATCH System” under Lower Power Seat Adjustment Anchors and Tethers for Children (LATCH System) on page 3-50. { Warning

You can lose control of the vehicle if you try to adjust a driver seat while the vehicle is moving. Adjust the driver seat only when the vehicle is not moving.

The third row seat head restraint can be lowered for better visibility when the rear seat is unoccupied. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (4,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-4 Seats and Restraints

Some vehicles are equipped with a . If equipped, press and hold the feature that activates a vibrating control up to increase upper pulse alert in the driver seat to help lumbar support and decrease the driver avoid crashes. See Driver lower lumbar support. Assistance Systems on page 9-57. If equipped, press and hold the control down to increase lower Lumbar Adjustment lumbar support and decrease upper lumbar support. Reclining Seatbacks

To adjust the seat: . Move the seat forward or rearward by sliding the control forward or rearward. . Raise or lower the front part of the seat cushion by moving the front of the control up or down. . Raise or lower the seat by To adjust the lumbar support: moving the rear of the control up . Press and hold the control or down. forward to increase or rearward To adjust the seatback, see to decrease upper and lower To recline the seatback: Reclining Seatbacks on page 3-4. lumbar support at the same time. . Tilt the top of the control To adjust the lumbar support, see rearward to recline. Lumbar Adjustment on page 3-4. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (5,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-5

. Tilt the top of the control forward Memory Seats to raise.

{ Warning

Sitting in a reclined position when the vehicle is in motion can be dangerous. Even when buckled up, the safety belts cannot do their job. The shoulder belt will not be against your body. Instead, it will be in front of you. In a crash, you Do not have a seatback reclined if could go into it, receiving neck or the vehicle is moving. other injuries. If equipped, the SET, "1," "2," and The lap belt could go up over B (Exit) buttons on the driver door your abdomen. The belt forces are used to manually store and would be there, not at your pelvic recall memory settings for the driver bones. This could cause serious seat, outside mirrors, power tilt and telescoping steering column (if internal injuries. equipped), and adjustable pedals (if For proper protection when the equipped). vehicle is in motion, have the seatback upright. Then sit well back in the seat and wear the safety belt properly. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (6,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-6 Seats and Restraints

Storing Memory Positions 3. Immediately press and hold B If the Auto Memory Recall feature is enabled in the vehicle To store positions to the “1” and “2” until two beeps sound. buttons: personalization menu, memory “1” Manually Recalling Memory or “2” positions are recalled in the 1. Adjust the driver seat, outside Positions following ways: mirrors, power tilt and If the vehicle is off or not in P (Park), . K telescoping steering column (if B Press on the RKE transmitter equipped), and adjustable press and hold "1," "2," or (Exit) and open the driver door. pedals (if equipped) to the to manually recall the previously . Press K on the RKE transmitter desired driving positions. stored memory positions. Releasing "1, "2," or B before the stored when the driver door is open. 2. Press and release SET. A beep ” . will sound. positions are reached stops the If equipped with Keyless Access, recall. press the lock/unlock button on 3. Immediately press and hold “1” If the vehicle is on and in P (Park), the outside driver door handle until two beeps sound. and open the driver door. The press and release “1,”“2,” or B to 4. Repeat Steps 1 3 for a second RKE transmitter must be present – manually recall the previously driver using 2. for the recall to activate. “ ” stored memory positions. Placing See Vehicle Personalization on To store positions to the B (Exit) the ignition in OFF/LOCK before the page 5-44. button and easy exit features: stored positions are reached stops the recall. To stop recall movement, press one 1. Adjust the driver seat, power tilt of the memory, power mirror, and telescoping steering column Automatically Recalling Memory Positions (Auto Memory Recall) or power seat controls; press the (if equipped), adjustable pedals, power tilt and telescoping steering and the outside mirrors on some The Auto (Automatic) Memory column control (if equipped); or vehicles to the desired positions Recall feature automatically recalls press the adjustable pedal control (if for getting out of the vehicle. the current driver’s previously stored equipped). 2. Press and release SET. A beep “1” or “2” position when entering the will sound. vehicle. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (7,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-7

RKE Transmitters are not labeled Easy exit recall automatically . If recalling the exit position, with a number. If your memory seat activates when one of the following press and hold the appropriate position is stored to”1” or “2” but this occurs: manual control for the exit position is not automatically feature not recalling for . The vehicle is turned off and the recalling, then change the stored two seconds. Then try recalling driver door is opened within a the exit position again. position or switch RKE transmitters short time. with the other driver If the memory position is still not . The vehicle is turned off with the Easy Exit Recall recalling, see your dealer for driver door open. service. If programmed on in the vehicle Obstructions personalization menu, the easy exit Heated and Cooled Front feature automatically moves the If something has blocked the driver driver seat, power tilt and seat, power tilt and telescoping Seats telescoping steering column (if steering column, and/or the If equipped, the vehicle may have equipped), adjustable pedals (if adjustable pedals while recalling a heated or heated and cooled seats. equipped), and outside mirrors on memory position, while recalling a memory position, the recall may some vehicles to the memory { Warning positions stored to the B (Exit) stop. Remove the obstruction. Then do one of the following: button. See “Storing Memory If you cannot feel temperature Positions” listed previously. See . If automatically or manually change or pain to the skin, the also Vehicle Personalization on recalling the stored memory seat heater may cause burns. To page 5-44. position, press and hold the reduce the risk of burns, people appropriate manual control for with such a condition should use two seconds. Try recalling again care when using the seat heater, by pressing the appropriate especially for long periods of memory button. time. Do not place anything on (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (8,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-8 Seats and Restraints

The indicator light on the button Warning (Continued) comes on when this feature is on. the seat that insulates against Press the button once for the heat, such as a blanket, cushion, highest setting. With each press of cover, or similar item. This may the button, the seat will change to cause the seat heater to the next lower setting, and then to overheat. An overheated seat the off setting. The indicator lights heater may cause a burn or may next to the buttons indicate three for the highest setting and one for the damage the seat. lowest. If the heated seats are on high for an extended time, their level may automatically be lowered. Heated and Cooled Seats Shown, The passenger seat may take Heated Similar longer to heat up. The buttons are on the center stack Remote Start Auto Heated and below the climate control system. To Cooled Seats operate, the engine must be running. During a remote start, the heated or cooled seats can be turned on Press I to heat the driver or automatically. When it is cold passenger seatback only. outside, the heated seats turn on, and when it is hot outside the Press J to heat the driver or cooled seats turn on. The heated or passenger seat cushion and cooled seats are canceled when the seatback. ignition is turned on. Press the Press A to cool the driver or heated or cooled seat button to use the heated or cooled seats after the passenger seat. vehicle is started. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (9,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-9

The heated or cooled seat indicator Rear Seats If equipped, the buttons are on the lights do not turn on during a remote rear of the center console. start. Heated Rear Seats Press M or L to heat the left The temperature performance of an outboard or right outboard seat unoccupied seat may be reduced. cushion. This is normal. { Warning Press the button once for the The heated or cooled seats will not If you cannot feel temperature highest setting. With each press of turn on during a remote start unless change or pain to the skin, the the button, the heated seat changes they are enabled in the vehicle seat heater may cause burns. to the next lower setting, and then personalization menu. See Remote See the Warning under Heated the off setting. Indicator lights on the Vehicle Start on page 2-15 and and Cooled Front Seats on button show the setting: three for Vehicle Personalization on page 3-7. high, two for medium, and one page 5-44. for low. If heated seats are on high for an extended time, their level may automatically be lowered. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (10,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-10 Seats and Restraints

Second Row Seats To return the seatback to the upright Manual Fold and Tumble position: Feature Reclining Seatbacks To recline the seatback: { Warning { Warning

If either seatback is not locked, it Do not leave the second row seat could move forward in a sudden in a tumbled position while the stop or crash. That could cause vehicle is in motion. A tumbled injury to the person sitting there. seat is not locked. It can move Always push and pull on the when the vehicle is in motion. seatbacks to be sure they are People in the vehicle could be locked. injured in a sudden stop or crash. Be sure to return the seat to the 1. Lift the lever fully while applying passenger seating position before pressure to the seatback, and driving the vehicle. Push and pull the seatback will return to the on the seat to make sure it is upright position. locked into place. 1. Lift the lever on the outboard If the lever is lifted without side of the seat. applying pressure, the seat will 2. Move the seatback to the release to a folded position. { Caution desired position, and then 2. Push and pull on the seatback to release the lever to lock the make sure it is locked. Folding a rear seat with the safety seatback in place. belts still fastened may cause The second row seats can be folded 3. Push and pull on the seatback to damage to the seat or the safety for additional cargo space or folded belts. Always unbuckle the safety make sure it is locked. and tumbled for easy entry and exit to the third row seat, if equipped. (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (11,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-11

2. Lift the lever, on the outboard Caution (Continued) side of the seat, to release the seatback. belts and return them to their normal stowed position before folding a rear seat.

Folding and Tumbling the Seat To fold and tumble the seat: 1. Make sure that there is nothing under, in front of, or on the seat. 3. Lift the lever again to release the rear of the seat from the floor. The seat will tumble forward. 4. The rear pull strap can also be The seatback will fold forward to used to fold or fold and tumble create a flat load floor. the seat. It is easier to tumble If the seatback cannot fold flat, the seat from the rear pull strap try moving the front seat forward once the seat is already and/or put the front seatback in folded flat. the upright position. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (12,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-12 Seats and Restraints

Folding and Tumbling the Seat from the Third Row Seat

{ Warning

Using the third row seating position while the second row is folded, or folded and tumbled, could cause injury in a sudden stop or crash. Be sure to return the seat to the passenger seating position. Push and pull on the seat to make sure it is locked into 2. Pull the strap on the bottom rear 3. Pull the strap again to release place. of the second row seat to the rear of the seat from the release the seatback. The floor. The seat will tumble To fold and tumble the seat from the seatback will fold forward. forward. third row seat, if equipped: Automatic Fold and Tumble 1. Make sure that there is nothing Feature under, in front of, or on the seat. { Warning

Do not leave the second row seat in a tumbled position while the vehicle is in motion. A tumbled seat is not locked. It can move (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (13,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-13

Warning (Continued) { Caution

when the vehicle is in motion. Folding a rear seat with the safety People in the vehicle could be belts still fastened may cause injured in a sudden stop or crash. damage to the seat or the safety Be sure to return the seat to the belts. Always unbuckle the safety passenger seating position before belts and return them to their driving the vehicle. Push and pull normal stowed position before on the seat to make sure it is folding a rear seat. locked into place. The transmission must be in P (Park) for this feature to work. Driver Side Rear Panel Button { Warning Fold the seat to load cargo. Fold Shown and tumble the seat to gain entry to 2. Press the automatic seat release Automatically folding and the third row. button on the panel behind the tumbling the seat when someone rear doors. The seatback Folding and Tumbling the Seat is sitting in the seat, could cause automatically folds flat. injury to the person sitting there. To fold and tumble the seat: Always make sure there is no one 3. Press the button again to 1. Make sure that there is nothing release the rear of the seat from sitting in the seat before pressing under, in front of, or on the seat. the floor. The seat will tumble the automatic seat release button. forward. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (14,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-14 Seats and Restraints

Folding and Tumbling the Seat 2. Press the button (1) on the side To return the seat to the sitting from the Cargo Area trim of the cargo area to fold the position from the tumbled position: seatback. 1. Pull the seat down until both The left button folds the left sides of the seat are latched to seatback, and the right button the floor. Make sure the seat is folds the right seatback. securely latched to the floor 3. Press the button again to before raising the seatback. release the rear of the seat from If both sides are not latched to the floor. The seat will tumble the floor, the seatback will not forward. raise. The buttons (2) can be used to fold 2. Lift the seatback and push it or fold and unfold the third row rearward. Push and pull on the seatbacks from the cargo area. See seatback to make sure it is Third Row Seats on page 3-14. locked. 1. Second Row Power Seat Returning the Seat to the Third Row Seats Buttons Sitting Position 2. Third Row Power Seat Folding the Seatback Buttons { Warning To fold and tumble the seat from the { Caution cargo area: If either seatback is not locked, it could move forward in a sudden Folding a rear seat with the safety 1. Make sure that there is nothing belts still fastened may cause under, in front of, or on the seat. stop or crash. That could cause injury to the person sitting there. damage to the seat or the safety Always push and pull on the belts. Always unbuckle the safety seatbacks to be sure they are (Continued) locked. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (15,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-15

Caution (Continued)

belts and return them to their normal stowed position before folding a rear seat.

On third row seats (if equipped), the seatbacks can be folded to increase cargo space. Manual Operation

To fold the seatback (if equipped): 4. Disconnect the rear safety belt 5. Pull up on the lever on the back 1. Open the liftgate. mini-latch, using a key in the slot of the seat to release the 2. Make sure that there is nothing on the mini-buckle, and let the seatback. under, in front of, or on the seat. belt retract into the headliner. 6. Push the seatback forward to Stow the mini-latch in the holder lay flat. 3. Fully lower the head restraints. in the headliner. See Head Restraints on 7. Repeat the steps for the other page 3-2. Put the second row seatback, if desired. seatbacks in the upright position. Automatic Operation See Second Row Seats on page 3-10. The transmission must be in P (Park) for this feature to work. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (16,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-16 Seats and Restraints

The switches (1) can be used to fold or fold and tumble the second row seats from the cargo area. See Second Row Seats on page 3-10. Returning the Seatback to the Upright Position Manual Operation

{ Warning

If either seatback is not locked, it 1. Second Row Power Seat 4. Disconnect the rear safety belt could move forward in a sudden Buttons mini-latch, using a key in the slot stop or crash. That could cause 2. Third Row Power Seat Buttons on the mini-buckle, and let the injury to the person sitting there. belt retract into the headliner. Always push and pull on the To fold the seatback (if equipped): Stow the mini-latch in the holder seatbacks to be sure they are 1. Open the liftgate to access the in the headliner. locked. controls for the seat. 5. Press and hold the switch (2) on 2. Make sure that there is nothing the side trim of the cargo area to under, in front of, or on the seat. fold the seatback. 3. Fully lower the head restraints. The left switch folds the left See Head Restraints on seatback, and the right switch page 3-2. Put the second row folds the right seatback. seatbacks in the upright position. 6. Repeat the steps for the other See Second Row Seats on seatback, if desired. page 3-10 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (17,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-17

To return the seatback to the upright Automatic Operation position: { Warning A safety belt that is improperly routed, not properly attached, or twisted will not provide the protection needed in a crash. The person wearing the belt could be seriously injured. After raising the rear seatback, always check to be sure that the safety belts are properly routed and attached, and are not twisted.

3. Reconnect the center safety belt 1. Second Row Power Seat 1. From the rear of the vehicle, mini-latch to the mini-buckle. Do Buttons raise the seatback using the not let it twist. 2. Third Row Power Seat Buttons strap on the back of the seat, 4. Pull on the safety belt to be sure To return the seatback to the upright or lift the seatback and push it the mini-latch is secure. into place from inside the position: vehicle. 5. Repeat the steps for the other 1. Open the liftgate to access the seatback, if desired. 2. Push and pull on the seatback to controls for the seat. make sure it is locked. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (18,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-18 Seats and Restraints

2. Press and hold the switch (2) on 3. Reconnect the center safety belt Safety Belts the side trim of the cargo area to mini-latch to the mini-buckle. Do raise the seatback. not let it twist. This section of the manual describes how to use safety belts The left switch raises the left 4. Pull on the safety belt to be sure properly. It also describes some seatback, and the right switch the mini-latch is secure. things not to do with safety belts. raises the right seatback. 5. Repeat the steps for the other seatback, if desired. { Warning { Warning Do not let anyone ride where a A safety belt that is improperly safety belt cannot be worn routed, not properly attached, properly. In a crash, if you or your or twisted will not provide the passenger(s) are not wearing protection needed in a crash. The safety belts, injuries can be much person wearing the belt could be worse than if you are wearing seriously injured. After raising the safety belts. You can be seriously rear seatback, always check to be injured or killed by hitting things sure that the safety belts are inside the vehicle harder or by properly routed and attached, and being ejected from the vehicle. In are not twisted. addition, anyone who is not buckled up can strike other passengers in the vehicle. It is extremely dangerous to ride in a cargo area, inside or outside of a vehicle. In a collision, passengers riding in these areas (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (19,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-19

Why Safety Belts Work safety belts. That is why wearing Warning (Continued) safety belts makes such good sense. are more likely to be seriously injured or killed. Do not allow Questions and Answers About passengers to ride in any area of Safety Belts the vehicle that is not equipped Q: Will I be trapped in the vehicle with seats and safety belts. after a crash if I am wearing a Always wear a safety belt, and safety belt? check that all passenger(s) are A: You could be — whether you are restrained properly too. wearing a safety belt or not. Your chance of being conscious This vehicle has indicators as a during and after a crash, so you reminder to buckle the safety belts. can unbuckle and get out, is See Safety Belt Reminders on When riding in a vehicle, you travel much greater if you are belted. page 5-17. as fast as the vehicle does. If the Q: If my vehicle has airbags, why vehicle stops suddenly, you keep should I have to wear safety going until something stops you. belts? It could be the windshield, the instrument panel, or the safety belts! A: Airbags are supplemental systems only; so they work with When you wear a safety belt, you safety belts — not instead of and the vehicle slow down together. them. Whether or not an airbag There is more time to stop because is provided, all occupants still you stop over a longer distance and, have to buckle up to get the when worn properly, your strongest most protection. bones take the forces from the GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (20,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-20 Seats and Restraints

Also, in nearly all states and in . Wear the shoulder belt over the all Canadian provinces, the law shoulder and across the chest. requires wearing safety belts. These parts of the body are best able to take belt restraining How to Wear Safety Belts forces. The shoulder belt locks if there is a sudden stop or crash. Properly This section is only for people of { Warning adult size. You can be seriously injured, There are special things to know or even killed, by not wearing about safety belts and children. And there are different rules for smaller your safety belt properly. children and infants. If a child will be . Sit up straight and always keep . Never allow the lap or riding in the vehicle, see Older your feet on the floor in front shoulder belt to become Children on page 3-42 or Infants of you. loose or twisted. and Young Children on page 3-44. . Always use the correct buckle . Never wear the shoulder belt Follow those rules for everyone's for your seating position. under both arms or behind protection. . Wear the lap part of the belt low your back. It is very important for all occupants and snug on the hips, just . Never route the lap or to buckle up. Statistics show that touching the thighs. In a crash, shoulder belt over an unbelted people are hurt more often this applies force to the strong armrest. in crashes than those who are pelvic bones and you would be wearing safety belts. less likely to slide under the lap There are important things to know belt. If you slid under it, the belt about wearing a safety belt properly. would apply force on your abdomen. This could cause serious or even fatal injuries. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (21,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-21

Lap-Shoulder Belt If the shoulder portion of a passenger belt is pulled out all All seating positions in the vehicle the way, the child restraint have a lap-shoulder belt except for locking feature may be engaged. the center front passenger position, If this happens, let the belt go if equipped, which has a lap belt. back all the way and start again. See Lap Belt on page 3-26. Engaging the child restraint If you are using a rear seating locking feature in the front position with a detachable safety outboard seating position may belt, and the safety belt is not affect the passenger sensing attached, see Third Row Seats on system. See Passenger Sensing page 3-14 for instruction on System on page 3-35. reconnecting the safety belt to the 2. Pick up the latch plate and pull mini-buckle. the belt across you. Do not let it The following instructions explain get twisted. how to wear a lap-shoulder belt The lap-shoulder belt may lock if properly. you pull the belt across you very 1. Adjust the seat, if the seat is quickly. If this happens, let the adjustable, so you can sit up belt go back slightly to unlock it. straight. To see how, see “Seats” Then pull the belt across you in the Index. more slowly. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (22,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-22 Seats and Restraints

For front seating positions, if the 3. Push the latch plate into the webbing locks in the latch plate buckle until it clicks. If you find before it reaches the buckle, tilt that the latch plate will not go the latch plate flat to unlock. fully into the buckle, see if you are using the correct buckle. Pull up on the latch plate to make sure it is secure. If the belt is not long enough, see Safety Belt Extender on page 3-27. Position the release button on the buckle so that the safety belt could be quickly unbuckled if necessary. 5. To make the lap part tight, pull up on the shoulder belt. 4. If equipped with a shoulder belt height adjuster, move it to the For third row seats, it may be height that is right for you. See necessary to pull stitching on the “Shoulder Belt Height Adjuster” safety belt through the latch in this section for instructions on plate to fully tighten the lap belt use and important safety on smaller occupants. information. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (23,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-23

Shoulder Belt Height Adjuster Push down on the release button to move the height adjuster to the The vehicle has a shoulder belt desired position. height adjuster for the driver and front outboard passenger positions. Move the adjuster up by pushing up on the shoulder belt guide. Adjust the height so the shoulder portion of the belt is on the shoulder After the adjuster is set to the and not falling off of it. The belt desired position, try to move it down should be close to, but not without pushing the release button contacting, the neck. Improper to make sure it has locked into shoulder belt height adjustment position. could reduce the effectiveness of the safety belt in a crash. See How Safety Belt Pretensioners To unlatch the belt, push the button to Wear Safety Belts Properly on This vehicle has safety belt on the buckle. The belt should page 3-20. pretensioners for front outboard return to its stowed position. occupants. Although the safety belt For third row seats, slide the latch pretensioners cannot be seen, they plate up the safety webbing when are part of the safety belt assembly. the safety belt is not in use. The They can help tighten the safety latch plate should rest on the belts during the early stages of a stitching on the safety belt. moderate to severe frontal, near frontal, or rear crash if the threshold Before a door is closed, be sure the conditions for pretensioner safety belt is out of the way. If a activation are met. Safety belt door is slammed against a safety pretensioners can also help tighten belt, damage can occur to both the the safety belts in a side crash or a belt and the vehicle. rollover event. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (24,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-24 Seats and Restraints

Pretensioners work only once. If the shoulder belt, the comfort guide 1. Remove the guide from its pretensioners activate in a crash, positions the shoulder belt away storage clip on the interior trim the pretensioners and probably from the neck and head. next to the outboard seatback. other parts of the vehicle's safety belt system will need to be replaced. Rear Outboard Seating Positions See Replacing Safety Belt System There are comfort guides for the Parts after a Crash on page 3-28. rear outboard seating positions for the second row and the third row Rear Safety Belt Comfort outboard seating positions. The Guides comfort guides are stored on a clip on the interior trim next to the { Warning outboard seatback. To install: A safety belt that is not properly worn may not provide the protection needed in a crash. The person wearing the belt could be seriously injured. The shoulder 2. Place the guide over the belt, and insert the two edges of the belt should go over the shoulder belt into the slots of the guide. and across the chest. These parts of the body are best able to take belt restraining forces.

Rear safety belt comfort guides may provide added safety belt comfort for older children who have outgrown booster seats and for some adults. When installed on a GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (25,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-25

Third Row Center Seating Position Comfort guides for the third row center seating position are available from your dealer. Instructions are included with the guide.

3. Be sure that the belt is not 4. Buckle, position, and release the twisted and it lies flat. The safety belt as described elastic cord must be behind the previously in this section. Make belt with the plastic guide on the sure the shoulder portion of the An adjustable comfort guide is used front. belt is on the shoulder and not for the center seating position in the falling off of it. The belt should third row seat. The adjustable be close to, but not contacting, comfort guide attaches to the head the neck. restraint post on the inboard side of To remove and store the comfort the left rear outboard seat. guide, squeeze the belt edges together so that the safety belt can be removed from the guide. Slide the guide onto its storage clip. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (26,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-26 Seats and Restraints

Safety Belt Use During The best way to protect the fetus is to protect the mother. When a safety Pregnancy belt is worn properly, it is more likely Safety belts work for everyone, that the fetus will not be hurt in a including pregnant women. Like all crash. For pregnant women, as for occupants, they are more likely to anyone, the key to making safety be seriously injured if they do not belts effective is wearing them wear safety belts. properly. Lap Belt This part is only for the lap belt. To learn how to wear a lap-shoulder belt, see Lap-Shoulder Belt on To make the belt longer, tilt the latch page 3-21. plate and pull it along the belt. The vehicle may have a center Buckle, position and release it the seating position. When you sit in the same way as the lap part of a center front seating position, you lap-shoulder belt. have a lap safety belt, which has no retractor.

A pregnant woman should wear a lap-shoulder belt, and the lap portion should be worn as low as possible, below the rounding, throughout the pregnancy. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (27,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-27

Safety Belt Extender to have it repaired. Torn or frayed safety belts may not protect you in a If the vehicle's safety belt will fasten crash. They can rip apart under around you, you should use it. impact forces. If a belt is torn or But if a safety belt is not long frayed, get a new one right away. enough, your dealer will order you Make sure the safety belt reminder an extender. When you go in to light is working. See Safety Belt order it, take the heaviest coat you Reminders on page 5-17. will wear, so the extender will be long enough for you. To help avoid Keep safety belts clean and dry. personal injury, do not let someone See Safety Belt Care on page 3-27. else use it, and use it only for the Safety Belt Care To make the belt shorter, pull its free seat it is made to fit. The extender end as shown until the belt is snug. has been designed for adults. Never Keep belts clean and dry. use it for securing child seats. To If the belt is not long enough, see wear it, attach it to the regular safety Safety Belt Extender on page 3-27. belt. See the instruction sheet that { Warning Make sure the release button on the comes with the extender. Do not bleach or dye safety belts. buckle is positioned so you would It may severely weaken them. In be able to unbuckle the safety belt Safety System Check a crash, they might not be able to quickly if necessary. Now and then, check that the safety provide adequate protection. If you find that the latch plate will belt reminder light, safety belts, Clean safety belts only with mild not go fully into the buckle, see if buckles, latch plates, retractors, and soap and lukewarm water. you are using the correct buckle. Be anchorages are all working properly. sure that the latch plate clicks when Look for any other loose or inserted into the buckle. damaged safety belt system parts that might keep a safety belt system from doing its job. See your dealer GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (28,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-28 Seats and Restraints

Replacing Safety Belt See your dealer to have the safety Airbag System belt assemblies inspected or System Parts after a replaced. The vehicle has the following Crash airbags: New parts and repairs may be necessary even if the safety belt . A frontal airbag for the driver. { Warning system was not being used at the . A frontal airbag for the front time of the crash. A crash can damage the safety outboard passenger. belt system in the vehicle. Have the safety belt pretensioners . A seat-mounted side impact A damaged safety belt system checked if the vehicle has been in a airbag for the driver. may not properly protect the crash, or if the airbag readiness light stays on after you start the vehicle . A seat-mounted side impact person using it, resulting in airbag for the front outboard serious injury or even death in a or while you are driving. See Airbag Readiness Light on page 5-18. passenger. crash. To help make sure the safety belt systems are working . A roof-rail airbag for the driver properly after a crash, have them and for the second and third row inspected and any necessary passengers seated directly behind the driver. replacements made as soon as possible. . A roof-rail airbag for the front outboard passenger and the second and third row After a minor crash, replacement of passengers seated directly safety belts may not be necessary. behind the front outboard But the safety belt assemblies that passenger. were used during any crash may have been stressed or damaged. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (29,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-29

The vehicle may have the following are also designed to help reduce airbag: the risk of injury from the force of an Warning (Continued) inflating bag, all airbags must inflate . A front center airbag for the very quickly to do their job. safety belts. Everyone in the driver and front outboard vehicle should wear a safety belt passenger. Here are the most important things properly, whether or not there is All vehicle airbags have the word to know about the airbag system: an airbag for that person. AIRBAG on the trim or on an attached label near the deployment { Warning opening. You can be severely injured or { Warning For frontal airbags, the word killed in a crash if you are not AIRBAG is on the center of the wearing your safety belt, even Because airbags inflate with great steering wheel for the driver and on with airbags. Airbags are force and faster than the blink of the instrument panel for the front designed to work with safety an eye, anyone who is up outboard passenger. belts, not replace them. Also, against, or very close to any For the front center airbag, the word airbags are not designed to inflate airbag when it inflates can be AIRBAG is on the inboard side of in every crash. In some crashes seriously injured or killed. Do not the driver seatback. safety belts are the only restraint. sit unnecessarily close to any For seat-mounted side impact See When Should an Airbag airbag, as you would be if sitting airbags, the word AIRBAG is on the Inflate? on page 3-32. on the edge of the seat or leaning forward. Safety belts help keep side of the seatback closest to Wearing your safety belt during a the door. you in position before and during crash helps reduce the chance of a crash. Always wear a safety For roof-rail airbags, the word hitting things inside the vehicle or belt, even with airbags. The driver AIRBAG is on the ceiling or trim. being ejected from it. Airbags are (Continued) Airbags are designed to supplement “supplemental restraints” to the the protection provided by safety (Continued) belts. Even though today's airbags GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (30,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-30 Seats and Restraints

Where Are the Airbags? Warning (Continued) Warning (Continued)

should sit as far back as possible how, see Older Children on while still maintaining control of page 3-42 or Infants and Young the vehicle. Children on page 3-44. Occupants should not lean on or sleep against the front center armrest or console in vehicles with a front center airbag. Occupants should not lean on or sleep against the door or side windows in seating positions with seat-mounted side impact airbags There is an airbag readiness light and/or roof-rail airbags. on the instrument cluster, which The driver frontal airbag is in the shows the airbag symbol. center of the steering wheel. The system checks the airbag { Warning electrical system for malfunctions. The light tells you if there is an Children who are up against, electrical problem. See Airbag or very close to, any airbag when Readiness Light on page 5-18. it inflates can be seriously injured or killed. Always secure children properly in the vehicle. To read (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (31,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-31

The front outboard passenger If the vehicle has a front center Driver Side Shown, Passenger frontal airbag is in the passenger airbag, it is in the inboard side of the Side Similar side instrument panel. driver seatback. The driver and front outboard passenger seat-mounted side impact airbags are in the side of the seatbacks closest to the door. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (32,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-32 Seats and Restraints

When Should an Airbag Warning (Continued) Inflate? that person causing severe injury This vehicle is equipped with or even death. The path of an airbags. See Airbag System on inflating airbag must be kept page 3-28. Airbags are designed to clear. Do not put anything inflate if the impact exceeds the between an occupant and an specific airbag system's deployment airbag, and do not attach or put threshold. Deployment thresholds anything on the steering wheel are used to predict how severe a hub or on or near any other crash is likely to be in time for the airbag covering. airbags to inflate and help restrain Driver Side Shown, Passenger Do not use seat or console the occupants. The vehicle has electronic sensors that help the Side Similar accessories that block the airbag system determine the inflation path of a seat-mounted The roof-rail airbags for the driver, severity of the impact. Deployment front outboard passenger, and side impact airbag or the front thresholds can vary with specific second and third row outboard center airbag, if equipped. vehicle design. seating positions are in the ceiling Never secure anything to the roof above the side windows. Frontal airbags are designed to of a vehicle with roof-rail airbags inflate in moderate to severe frontal by routing a rope or tie-down or near frontal crashes to help { Warning through any door or window reduce the potential for severe opening. If you do, the path of an injuries, mainly to the driver's or If something is between an inflating roof-rail airbag will be front outboard passenger's head occupant and an airbag, the blocked. and chest. airbag might not inflate properly or it might force the object into Whether the frontal airbags will or should inflate is not based primarily (Continued) on how fast the vehicle is traveling. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (33,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-33

It depends on what is hit, the The front center airbag, if equipped, roof-rail airbags are designed to direction of the impact, and how is designed to inflate in moderate to inflate during a rollover or in a quickly the vehicle slows down. severe side crashes depending severe frontal impact. Roof-rail Frontal airbags may inflate at upon the location of the impact, airbags are not designed to inflate in different crash speeds depending on when either side of the vehicle is rear impacts. Both roof-rail airbags whether the vehicle hits an object struck. In addition, the front center will inflate when either side of the straight on or at an angle, and airbag is designed to inflate when vehicle is struck, if the sensing whether the object is fixed or the sensing system predicts that the system predicts that the vehicle is moving, rigid or deformable, narrow vehicle is about to roll over on its about to roll over on its side, or in a or wide. side. The front center airbag is not severe frontal impact. designed to inflate in frontal Frontal airbags are not intended to In any particular crash, no one can impacts, near frontal impacts, say whether an airbag should have inflate during vehicle rollovers, rear or rear impacts. impacts, or many side impacts. inflated simply because of the Seat-mounted side impact airbags vehicle damage or the repair costs. In addition, the vehicle has are designed to inflate in moderate advanced technology frontal to severe side crashes depending What Makes an Airbag airbags. Advanced technology on the location of the impact. Inflate? frontal airbags adjust the restraint Seat-mounted side impact airbags according to crash severity. are not designed to inflate in frontal In a deployment event, the sensing The vehicle also has a seat position impacts, near frontal impacts, system sends an electrical signal sensor that enables the sensing rollovers, or rear impacts. triggering a release of gas from the system to monitor the position of the A seat-mounted side impact airbag inflator. Gas from the inflator fills the driver seat. The seat position sensor is designed to inflate on the side of airbag causing the bag to break out provides information that is used to the vehicle that is struck. of the cover. The inflator, the airbag, and related hardware are all part of adjust the deployment of the driver Roof-rail airbags are designed to the airbag module. frontal airbag. inflate in moderate to severe side crashes depending on the location For airbag locations, see Where Are of the impact. In addition, these the Airbags? on page 3-30. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (34,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-34 Seats and Restraints

How Does an Airbag But airbags would not help in many The parts of the airbag that come types of collisions, primarily into contact with you may be warm, Restrain? because the occupant's motion is but not too hot to touch. There may In moderate to severe frontal or not toward those airbags. See When be some smoke and dust coming near frontal collisions, even belted Should an Airbag Inflate? on from the vents in the deflated occupants can contact the steering page 3-32 for more information. airbags. Airbag inflation does not wheel or the instrument panel. In Airbags should never be regarded prevent the driver from seeing out of moderate to severe side collisions, as anything more than a supplement the windshield or being able to steer even belted occupants can contact to safety belts. the vehicle, nor does it prevent the inside of the vehicle. people from leaving the vehicle. Airbags supplement the protection What Will You See after { provided by safety belts by an Airbag Inflates? Warning distributing the force of the impact more evenly over the After the frontal airbags and When an airbag inflates, there occupant's body. seat-mounted side impact airbags may be dust in the air. This dust inflate, they quickly deflate, so could cause breathing problems Rollover capable roof-rail airbags quickly that some people may not for people with a history of are also designed to help contain even realize an airbag inflated. The asthma or other breathing trouble. the head and chest of occupants in front center airbag, if equipped, and To avoid this, everyone in the the outboard seating positions in the the roof-rail airbags may still be at vehicle should get out as soon as first, second, and third rows. The least partially inflated for some time it is safe to do so. If you have rollover capable roof-rail airbags are after they inflate. Some components designed to help reduce the risk of breathing problems but cannot of the airbag module may be hot for full or partial ejection in rollover get out of the vehicle after an several minutes. For location of the events, although no system can airbag inflates, then get fresh air airbags, see Where Are the prevent all such ejections. by opening a window or a door. Airbags? on page 3-30. If you experience breathing (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (35,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-35

crash. A new system will include Warning (Continued) Warning (Continued) airbag modules and possibly other parts. The service manual problems following an airbag system, brake and steering for the vehicle covers the need deployment, you should seek systems, etc. Even if the vehicle to replace other parts. medical attention. appears to be drivable after a moderate crash, there may be . The vehicle has a crash sensing and diagnostic module which The vehicle has a feature that may concealed damage that could make it difficult to safely operate records information after a automatically unlock the doors, turn crash. See Vehicle Data the vehicle. on the interior lamps and hazard Recording and Privacy on warning flashers, and shut off the Use caution if you should attempt page 13-14 and Event Data fuel system after the airbags inflate. to restart the engine after a crash Recorders on page 13-14. The feature may also activate, has occurred. without airbag inflation, after an . Let only qualified technicians event that exceeds a predetermined work on the airbag systems. threshold. You can lock the doors, In many crashes severe enough to Improper service can mean that and turn off the interior lamps and inflate the airbag, windshields are an airbag system will not work hazard warning flashers by using broken by vehicle deformation. properly. See your dealer for the controls for those features. Additional windshield breakage may service. also occur from the front outboard { Warning passenger airbag. Passenger Sensing . Airbags are designed to inflate System A crash severe enough to inflate only once. After an airbag The vehicle has a passenger the airbags may have also inflates, you will need some new sensing system for the front damaged important functions in parts for the airbag system. outboard passenger position. The the vehicle, such as the fuel If you do not get them, the passenger airbag status indicator (Continued) airbag system will not be there will light on the overhead console to help protect you in another when the vehicle is started. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (36,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-36 Seats and Restraints

certain conditions. No other airbag is affected by the passenger { Warning sensing system. A child in a rear-facing child The passenger sensing system restraint can be seriously injured works with sensors that are part of or killed if the passenger frontal the front outboard passenger seat airbag inflates. This is because United States and safety belt. The sensors are the back of the rear-facing child designed to detect the presence of restraint would be very close to a properly seated occupant and the inflating airbag. A child in a determine if the front outboard forward-facing child restraint can passenger frontal airbag should be allowed to inflate or not. be seriously injured or killed if the passenger frontal airbag inflates According to accident statistics, and the passenger seat is in a Canada and Mexico children are safer when properly forward position. secured in a rear seat in the correct The words ON and OFF, or the child restraint for their weight Even if the passenger sensing symbols for on and off, will be and size. system has turned off the visible during the system check. passenger frontal airbag, no Whenever possible, children aged When the system check is system is fail-safe. No one can complete, either the word ON or 12 and under should be secured in a rear seating position. guarantee that an airbag will not OFF, or the symbol for on or off, will inflate under some unusual be visible. See Passenger Airbag Never put a rear-facing child seat in circumstance, even though the Status Indicator on page 5-18. the front. This is because the risk to airbag is off. the rear-facing child is so great, The passenger sensing system (Continued) turns off the front outboard if the airbag inflates. passenger frontal airbag under GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (37,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-37

When the passenger sensing has outgrown child restraints should Warning (Continued) system has turned off the front wear a safety belt outboard passenger frontal airbag, properly — whether or not there is Secure rear-facing child restraints the off indicator will light and stay lit an airbag for that person. in a rear seat, even if the airbag as a reminder that the airbag is off. is off. If you secure a See Passenger Airbag Status { Warning forward-facing child restraint in Indicator on page 5-18. the front outboard passenger If the airbag readiness light ever seat, always move the seat as far The passenger sensing system is designed to turn on the front comes on and stays on, it means back as it will go. It is better to outboard passenger frontal airbag that something may be wrong secure the child restraint in a anytime the system senses that a with the airbag system. To help rear seat. person of adult size is sitting avoid injury to yourself or others, properly in the front outboard have the vehicle serviced right The passenger sensing system is passenger seat. away. See Airbag Readiness designed to turn off the front When the passenger sensing Light on page 5-18 for more outboard passenger frontal airbag if: system has allowed the airbag to be information, including important . The front outboard passenger enabled, the on indicator will light safety information. seat is unoccupied. and stay lit as a reminder that the airbag is active. . The system determines an infant is present in a child restraint. For some children, including children in child restraints, and for . A front outboard passenger very small adults, the passenger takes his/her weight off of the sensing system may or may not turn seat for a period of time. off the front outboard passenger . There is a critical problem with frontal airbag, depending upon the the airbag system or the person's seating posture and body passenger sensing system. build. Everyone in the vehicle who GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (38,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-38 Seats and Restraints

If the On Indicator is Lit for a 4. Reinstall the child restraint 5. If, after reinstalling the child Child Restraint following the directions provided restraint and restarting the by the child restraint vehicle, the on indicator is still lit, The passenger sensing system is manufacturer and refer to turn the vehicle off. Then slightly designed to turn off the front Securing Child Restraints recline the vehicle seatback and outboard passenger frontal airbag if (Center Front Seat) on adjust the seat cushion, the system determines that an infant page 3-59 or Securing Child if adjustable, to make sure that is present in a child restraint. If a Restraints (Rear Seat) on the vehicle seatback is not child restraint has been installed page 3-59 or Securing Child pushing the child restraint into and the on indicator is lit: Restraints (Front Passenger the seat cushion. 1. Turn the vehicle off. Seat) on page 3-62. Even if the Also make sure the child child restraint is equipped with a 2. Remove the child restraint from restraint is not trapped under the safety belt lock-off, make sure the vehicle. vehicle head restraint. If this the safety belt retractor is locked happens, adjust the head 3. Remove any additional items by pulling the shoulder belt all restraint. See Head Restraints from the seat such as blankets, the way out of the retractor on page 3-2. cushions, seat covers, seat before tightening the safety belt. heaters, or seat massagers. When the retractor lock is set, 6. Restart the vehicle. the belt can be tightened but not The passenger sensing system may pulled out of the retractor. or may not turn off the airbag for a child in a child restraint depending upon the child’s size. It is better to secure the child restraint in a rear seat. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (39,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-39

If the Off Indicator Is Lit for an 2. Remove any additional material Adult-Sized Occupant from the seat, such as blankets, { Warning cushions, seat covers, seat heaters, or seat massagers. If the front outboard passenger airbag is turned off for an 3. Place the seatback in the fully adult-sized occupant, the airbag upright position. will not be able to inflate and help 4. Have the person sit upright in protect that person in a crash, the seat, centered on the seat resulting in an increased risk of cushion, with legs comfortably serious injury or even death. An extended. adult-sized occupant should not 5. If the shoulder portion of the belt ride in the front outboard is pulled out all the way, the passenger seat, if the passenger child restraint locking feature will airbag off indicator is lit. be engaged. This may unintentionally cause the If a person of adult size is sitting in Additional Factors Affecting passenger sensing system to the front outboard passenger seat, System Operation turn the airbag off for some but the off indicator is lit, it could be adult-sized occupants. If this Safety belts help keep the because that person is not sitting happens, unbuckle the belt, let passenger in position on the seat properly in the seat or that the child the belt go back all the way, and during vehicle maneuvers and restraint locking feature is engaged. then buckle the belt again braking, which helps the passenger If this happens, use the following without pulling the belt out all sensing system maintain the steps to allow the system to detect the way. passenger airbag status. See that person and enable the front Safety Belts and Child Restraints 6. Restart the vehicle and have the “ ” “ ” outboard passenger frontal airbag: in the Index for additional person remain in this position for 1. Turn the vehicle off. information about the importance of two to three minutes after the on proper restraint use. indicator is lit. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (40,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-40 Seats and Restraints

A thick layer of additional material, such as a blanket or cushion, { Warning { Warning or aftermarket equipment such as seat covers, seat heaters, and seat Stowing of articles under the For up to 10 seconds after the massagers can affect how well the passenger seat or between the vehicle is turned off and the passenger sensing system passenger seat cushion and battery is disconnected, an airbag operates. We recommend that you seatback may interfere with the can still inflate during improper not use seat covers or other proper operation of the passenger service. You can be injured if you aftermarket equipment except when sensing system. are close to an airbag when it approved by GM for your specific inflates. Avoid yellow connectors. vehicle. See Adding Equipment to They are probably part of the the Airbag-Equipped Vehicle on Servicing the airbag system. Be sure to follow page 3-40 for more information Airbag-Equipped Vehicle proper service procedures, and about modifications that can affect Airbags affect how the vehicle make sure the person performing how the system operates. should be serviced. There are parts work for you is qualified to do so. The on indicator may be lit if an of the airbag system in several object, such as a briefcase, places around the vehicle. Your Adding Equipment to the handbag, grocery bag, laptop, dealer and the service manual have or other electronic device, is put on information about servicing the Airbag-Equipped Vehicle an unoccupied seat. If this is not vehicle and the airbag system. To Adding accessories that change the desired, remove the object from purchase a service manual, see vehicle's frame, bumper system, the seat. Service Publications Ordering height, front end, or side sheet Information on page 13-11. metal may keep the airbag system from working properly. The operation of the airbag system can also be affected by changing any parts of the front seats, safety GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (41,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-41

belts, airbag sensing and diagnostic could either prevent proper Airbag System Check module, steering wheel, instrument deployment of the passenger panel, any airbag module, ceiling or airbag(s) or prevent the passenger The airbag system does not need pillar garnish trim, overhead sensing system from properly regularly scheduled maintenance or console, front sensors, side impact turning off the passenger airbag(s). replacement. Make sure the airbag sensors, airbag wiring, or front See Passenger Sensing System on readiness light is working. See center console. page 3-35. Airbag Readiness Light on page 5-18. Your dealer and the service manual If the vehicle has rollover roof-rail have information about the location airbags, see Different Size Tires of the airbag sensors, sensing and and Wheels on page 10-62 for { Caution diagnostic module, and airbag additional information. If an airbag covering is damaged, wiring. If you have to modify your vehicle opened, or broken, the airbag In addition, the vehicle has a because you have a disability and may not work properly. Do not passenger sensing system that you have questions about whether open or break the airbag includes sensors as part of the front the modifications will affect the coverings. If there are any outboard passenger seat. The vehicle's airbag system, or if you opened or broken airbag passenger sensing system may not have questions about whether the coverings, have the airbag operate properly if the original seat airbag system will be affected if the covering and/or airbag module trim is replaced with non-GM vehicle is modified for any other replaced. For the location of the covers, upholstery, or trim; or with reason, call Customer Assistance. airbags, see Where Are the GM covers, upholstery, or trim See Customer Assistance Offices Airbags? on page 3-30. See your designed for a different vehicle. Any on page 13-3. dealer for service. object, such as an aftermarket seat heater or a comfort-enhancing pad or device, installed under or on top of the seat fabric, could also interfere with the operation of the passenger sensing system. This GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (42,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-42 Seats and Restraints

Replacing Airbag System If an airbag inflates, you will need to Child Restraints Parts after a Crash replace airbag system parts. See your dealer for service. Older Children { Warning If the airbag readiness light stays on after the vehicle is started or comes A crash can damage the airbag on when you are driving, the airbag systems in the vehicle. system may not work properly. Have A damaged airbag system may the vehicle serviced right away. See Airbag Readiness Light on not work properly and may not page 5-18. protect you and your passenger(s) in a crash, resulting in serious injury or even death. To help make sure the airbag systems are working properly after a crash, have them inspected and any necessary replacements made as soon as Older children who have outgrown possible. booster seats should wear the vehicle safety belts. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (43,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-43

The manufacturer instructions that . Can proper safety belt fit be Also see “Rear Safety Belt Comfort come with the booster seat state the maintained for the length of the Guides” under Lap-Shoulder Belt on weight and height limitations for that trip? If yes, continue. If no, page 3-21. return to the booster seat. booster. Use a booster seat with a According to accident statistics, lap-shoulder belt until the child If you have the choice, a child children are safer when properly passes the fit test below: should sit in a position with a restrained in a rear seating position. . lap-shoulder belt and get the Sit all the way back on the seat. In a crash, children who are not Do the knees bend at the seat additional restraint a shoulder belt can provide. buckled up can strike other people edge? If yes, continue. If no, who are buckled up, or can be return to the booster seat. Q: What is the proper way to thrown out of the vehicle. Older . Buckle the lap-shoulder belt. wear safety belts? children need to use safety belts Does the shoulder belt rest on A: An older child should wear a properly. the shoulder? If yes, continue. lap-shoulder belt and get the If no, try using the rear safety additional restraint a shoulder { Warning belt comfort guide, if available. belt can provide. The shoulder See “Rear Safety Belt Comfort belt should not cross the face or Never allow more than one child Guides” under Lap-Shoulder Belt neck. The lap belt should fit to wear the same safety belt. The on page 3-21. If a comfort guide snugly below the hips, just safety belt cannot properly spread is not available, or if the touching the top of the thighs. the impact forces. In a crash, they shoulder belt still does not rest This applies belt force to the can be crushed together and on the shoulder, then return to child's pelvic bones in a crash. seriously injured. A safety belt the booster seat. It should never be worn over the must be used by only one person . Does the lap belt fit low and abdomen, which could cause at a time. snug on the hips, touching the severe or even fatal internal thighs? If yes, continue. If no, injuries in a crash. return to the booster seat. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (44,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-44 Seats and Restraints

Infants and Young Warning (Continued) Children belt. The belt force would then be Everyone in a vehicle needs applied right on the abdomen. protection! This includes infants and That could cause serious or fatal all other children. Neither the injuries. The shoulder belt should distance traveled nor the age and go over the shoulder and across size of the traveler changes the the chest. need, for everyone, to use safety restraints. In fact, the law in every state in the United States and in every Canadian province says children up to some age must be { Warning restrained while in a vehicle.

Never allow a child to wear the { Warning safety belt with the shoulder belt behind their back. A child can be Children can be seriously injured seriously injured by not wearing or strangled if a shoulder belt is the lap-shoulder belt properly. In a wrapped around their neck. The crash, the child would not be shoulder belt can tighten but restrained by the shoulder belt. cannot be loosened if it is locked. The child could move too far The shoulder belt locks when it is forward increasing the chance of pulled all the way out of the head and neck injury. The child retractor. It unlocks when the might also slide under the lap shoulder belt is allowed to go all (Continued) (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (45,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-45

Warning (Continued) { Warning

the way back into the retractor, Never hold an infant or a child but it cannot do this if it is while riding in a vehicle. Due to wrapped around a child’s neck. crash forces, an infant or a child If the shoulder belt is locked and will become so heavy it is not tightened around a child’s neck, possible to hold it during a crash. the only way to loosen the belt is For example, in a crash at only to cut it. 40 km/h (25 mph), a 5.5 kg (12 lb) Never leave children unattended infant will suddenly become a in a vehicle and never allow 110 kg (240 lb) force on a person's children to play with the safety arms. An infant should be belts. secured in an appropriate { Warning restraint. Children who are up against, Every time infants and young or very close to, any airbag when children ride in vehicles, they should it inflates can be seriously injured have the protection provided by or killed. Never put a rear-facing appropriate child restraints. Neither child restraint in the front the vehicle's safety belt system nor outboard seat. Secure a its airbag system is designed rear-facing child restraint in a rear for them. seat. It is also better to secure a Children who are not restrained forward-facing child restraint in a properly can strike other people, rear seat. If you must secure a or can be thrown out of the vehicle. forward-facing child restraint in (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (46,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-46 Seats and Restraints

weight, height, and age but also Warning (Continued) whether or not the restraint will { Warning be compatible with the motor the front outboard seat, always vehicle in which it will be used. To reduce the risk of neck and move the front passenger seat as head injury during a crash, infants far back as it will go. For most basic types of child need complete support. In a restraints, there are many crash, if an infant is in a different models available. When rear-facing child restraint, the purchasing a child restraint, be sure it is designed to be used in crash forces can be distributed a motor vehicle. If it is, the across the strongest part of an restraint will have a label saying infant's body, the back and that it meets federal motor shoulders. Infants should always vehicle safety standards. be secured in rear-facing child restraints. The restraint manufacturer instructions that come with the restraint state the weight and height limitations for a particular { Warning child restraint. In addition, there are many kinds of restraints A young child's hip bones are still available for children with Q: What are the different types of so small that the vehicle's regular special needs. add-on child restraints? safety belt may not remain low on the hip bones, as it should. A: Add-on child restraints, which Instead, it may settle up around are purchased by the vehicle the child's abdomen. In a crash, owner, are available in four basic the belt would apply force on a types. Selection of a particular body area that is unprotected by restraint should take into consideration not only the child's (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (47,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-47

Child Restraint Systems Warning (Continued)

any bony structure. This alone could cause serious or fatal injuries. To reduce the risk of serious or fatal injuries during a crash, young children should always be secured in appropriate child restraints.

Forward-Facing Child Seat Rear-Facing Infant Seat A forward-facing child seat provides restraint for the child's body with the A rear-facing infant seat provides harness. restraint with the seating surface against the back of the infant. The harness system holds the infant in place and, in a crash, acts to keep the infant positioned in the restraint. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (48,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-48 Seats and Restraints

Securing an Add-On Child Children can be endangered in a Restraint in the Vehicle crash if the child restraint is not properly secured in the vehicle. { Warning When securing an add-on child restraint, refer to the instructions A child can be seriously injured or that come with the restraint which killed in a crash if the child may be on the restraint itself or in a restraint is not properly secured in booklet, or both, and to this manual. the vehicle. Secure the child The child restraint instructions are restraint properly in the vehicle important, so if they are not using the vehicle safety belt or available, obtain a replacement LATCH system, following the copy from the manufacturer. Booster Seats instructions that came with that Keep in mind that an unsecured A booster seat is a child restraint child restraint and the instructions child restraint can move around in a designed to improve the fit of the in this manual. collision or sudden stop and injure vehicle's safety belt system. people in the vehicle. Be sure to A booster seat can also help a child To help reduce the chance of injury, properly secure any child restraint in to see out the window. the child restraint must be secured the vehicle — even when no child is in the vehicle. Child restraint in it. systems must be secured in vehicle In some areas of the United States seats by lap belts or the lap belt and Canada, Certified Child portion of a lap-shoulder belt, or by Passenger Safety Technicians the LATCH system. See Lower (CPSTs) are available to inspect Anchors and Tethers for Children and demonstrate how to correctly (LATCH System) on page 3-50. use and install child restraints. In the U.S., refer to the National Highway Traffic Safety GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (49,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-49

Administration (NHTSA) website to Whenever possible, children age locate the nearest child safety seat 12 and under should be secured in Warning (Continued) inspection station. For CPST a rear seating position. front passenger airbag inflates availability in Canada, check with The vehicle may be equipped with a Transport Canada or the Provincial and the passenger seat is in a front center airbag in the inboard forward position. Ministry of Transportation office. side of the driver seat. Even with a Securing the Child Within the front center airbag, a child restraint Even if the passenger sensing Child Restraint can be installed in any second row system has turned off the front seating position. passenger frontal airbag, no system is fail-safe. No one can Never put a rear-facing child seat in { Warning guarantee that an airbag will not the front. This is because the risk to A child can be seriously injured or the rear-facing child is so great if the deploy under some unusual killed in a crash if the child is not airbag deploys. circumstance, even though it is properly secured in the child turned off. restraint. Secure the child { Warning Secure rear-facing child restraints properly following the instructions in a rear seat, even if the airbag that came with that child restraint. A child in a rear-facing child is off. If you secure a restraint can be seriously injured forward-facing child restraint in or killed if the front passenger the front seat, always move the Where to Put the airbag inflates. This is because front passenger seat as far back Restraint the back of the rear-facing child as it will go. It is better to secure restraint would be very close to According to accident statistics, the child restraint in a rear seat. the inflating airbag. A child in a children and infants are safer when See Passenger Sensing System forward-facing child restraint can properly restrained in a child on page 3-35 for additional be seriously injured or killed if the restraint system or infant restraint information. system secured in a rear seating (Continued) position. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (50,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-50 Seats and Restraints

assemblies or LATCH anchors for vehicle. The LATCH system is { Warning additional passengers or child designed to make installation of a restraints. Adjacent seating child restraint easier. A child in a child restraint in the positions should not be used if the In order to use the LATCH system in center front seat can be badly child restraint prevents access to or injured or killed by the frontal your vehicle, you need a child interferes with the routing of the restraint that has LATCH airbags if they inflate. Never safety belt. secure a child restraint in the attachments. LATCH-compatible center front seat. It is always Wherever a child restraint is rear-facing and forward-facing child installed, be sure to secure the child seats can be properly installed better to secure a child restraint in restraint properly. using either the LATCH anchors or a rear seat. Keep in mind that an unsecured the vehicle’s safety belts. Do not child restraint can move around in a use both the safety belts and the Do not use child restraints in the collision or sudden stop and injure LATCH anchorage system to secure center front seat position. people in the vehicle. Be sure to a rear-facing or forward-facing child seat. When securing a child restraint in a properly secure any child restraint in rear seating position, study the the vehicle — even when no child is Booster seats use the vehicle’s instructions that came with the child in it. safety belts to secure the child in restraint to make sure it is the booster seat. If the manufacturer compatible with this vehicle. Lower Anchors and recommends that the booster seat be secured with the LATCH system, Child restraints and booster seats Tethers for Children this can be done as long as the vary considerably in size, and some (LATCH System) booster seat can be positioned may fit in certain seating positions properly and there is no interference better than others. The LATCH system secures a child restraint during driving or in a crash. with the proper positioning of the Depending on where you place the LATCH attachments on the child lap-shoulder belt on the child. child restraint and the size of the restraint are used to attach the child child restraint, you may not be able restraint to the anchors in the to access adjacent safety belt GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (51,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-51

Make sure to follow the instructions Lower Anchors Top Tether Anchor that came with the child restraint, and also the instructions in this manual. When installing a child restraint with a top tether, you must also use either the lower anchors or the safety belts to properly secure the child restraint. A child restraint must never be installed using only the top tether and anchor. The LATCH anchorage system can be used until the combined weight of the child plus the child restraint is 29.5 kg (65 lbs). Use the safety belt Lower anchors (1) are metal bars A top tether (3, 4) anchors the top of alone instead of the LATCH built into the vehicle. There are two the child restraint to the vehicle. anchorage system once the lower anchors for each LATCH A top tether anchor is built into the combined weight is more than seating position that will vehicle. The top tether 29.5 kg (65 lbs). accommodate a child restraint with attachment (2) on the child restraint lower attachments (2). connects to the top tether anchor in The following explains how to attach the vehicle in order to reduce the a child restraint with these forward movement and rotation of attachments in the vehicle. the child restraint during driving or in Not all vehicle seating positions or a crash. child restraints have lower anchors and attachments or top tether anchors and attachments. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (52,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-52 Seats and Restraints

The child restraint may have a Lower Anchor and Top Tether single tether (3) or a dual tether (4). Anchor Locations Either will have a single attachment (2) to secure the top tether to the anchor. Some child restraints with top tethers are designed for use with or without the top tether being attached. Others require the top tether always to be attached. In Canada, the law requires that forward-facing child restraints have a top tether, and that the tether be Second Row — Bucket attached. Be sure to read and follow H (Lower Anchor): Seating the instructions for your child Second Row 60/40 positions with two lower anchors. restraint. — H (Lower Anchor): Seating I (Top Tether Anchor): Seating positions with two lower anchors. positions with top tether anchors. I (Top Tether Anchor): Seating positions with top tether anchors. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (53,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-53

To assist in locating the top tether anchors, the top tether anchor symbol is near the top tether anchors for second row seats. For third row seats (if equipped), the top tether anchor symbol is on the Third Row Seat flipper panel. Second Row Seat — Bucket I (Top Tether Anchor): Seating For models with bucket second row positions with top tether anchors. seating, the top tether anchors are at the bottom rear of the seat cushion for each seating position in the second row. Be sure to use an anchor on the same side of the vehicle as the seating position where the child restraint will be placed. To assist in locating the lower anchors, each seating position with lower anchors has two labels, near the crease between the seatback and the seat cushion. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (54,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-54 Seats and Restraints

the instructions that come with the child restraint say that the top tether must be attached. According to accident statistics, children and infants are safer when properly restrained in a child restraint system or infant restraint system secured in a rear seating position. See Where to Put the Restraint on page 3-49 for additional information.

Second Row Seat — 60/40 Third Row Seat Securing a Child Restraint Designed for the LATCH For models with 60/40 second row For models with a third row seat, the System seating, the top tether anchors are top tether anchors are on the back at the bottom rear of the seat of the seatback. Move the flipper cushion for each seating position in panel rearward to access the { Warning the second row. Be sure to use a anchors. Be sure to use a top tether top tether anchor directly behind the anchor directly behind the seating If a LATCH-type child restraint is seating position where the child position where the child restraint will not attached to anchors or with restraint will be placed. be placed. the safety belt, the child restraint will not be able to protect the child Do not secure a child restraint in a correctly. In a crash, the child position without a top tether anchor could be seriously injured or if a national or local law requires killed. Install a LATCH-type child that the top tether be attached, or if restraint properly using the (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (55,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-55

Warning (Continued) { Warning { Caution

anchors, or use the vehicle safety Children can be seriously injured Do not let the LATCH belts to secure the restraint, or strangled if a shoulder belt is attachments rub against the following the instructions that wrapped around their neck. The vehicle’s safety belts. This may came with the child restraint and shoulder belt can tighten but damage these parts. If necessary, the instructions in this manual. cannot be loosened if it is locked. move buckled safety belts to The shoulder belt locks when it is avoid rubbing the LATCH pulled all the way out of the attachments. retractor. It unlocks when the { Warning Do not fold the empty rear seat shoulder belt is allowed to go all with a safety belt buckled. This To reduce the risk of serious or the way back into the retractor, could damage the safety belt or fatal injuries during a crash, do but it cannot do this if it is the seat. Unbuckle and return the not attach more than one child wrapped around a child’s neck. safety belt to its stowed position, restraint to a single anchor. If the shoulder belt is locked and before folding the seat. Attaching more than one child tightened around a child’s neck, restraint to a single anchor could the only way to loosen the belt is to cut it. The vehicle may be equipped with a cause the anchor or attachment front center airbag in the inboard to come loose or even break Buckle any unused safety belts side of the driver seat. Even with a during a crash. A child or others behind the child restraint so front center airbag, a child restraint could be injured. children cannot reach them. Pull can be installed in any second row the shoulder belt all the way out seating position. of the retractor to set the lock, If you need to secure more than one and tighten the belt behind the child restraint in the rear seat, see child restraint after the child Where to Put the Restraint on restraint has been installed. page 3-49. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (56,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-56 Seats and Restraints

This system is designed to make 1.2. Put the child restraint on 2.2. Route, attach, and tighten installation of child restraints easier. the seat. the top tether according to When using lower anchors, do not 1.3. Attach and tighten the lower your child restraint use the vehicle's safety belts. attachments on the child instructions and the Instead use the vehicle's anchors restraint to the lower following instructions: and child restraint attachments to anchors. secure the restraints. Some restraints also use another vehicle 2. If the child restraint manufacturer anchor to secure a top tether. recommends that the top tether be attached, attach and tighten 1. Attach and tighten the lower the top tether to the top tether attachments to the lower anchor. Refer to the child anchors. If the child restraint restraint instructions and the does not have lower following steps: attachments or the desired seating position does not have 2.1. Find the top tether anchor. lower anchors, secure the child For models with a third row restraint with the the safety belts seat, move the flipper panel and top tether when rearward to access the top recommended by the child tether anchors. restraint manufacturer. Refer to your child restraint manufacturer instructions and the instructions in this manual. 1.1. Find the lower anchors for the desired seating position. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (57,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-57

If the position you are using If the position you are using If the position you are using does not have a head does not have a head has an adjustable head restraint and you are using restraint and you are using restraint and you are using a single tether, route the a dual tether, route the a single tether, raise the tether over the seatback. tether over the seatback. head restraint and route the tether under the head restraint and in between the head restraint posts. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (58,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-58 Seats and Restraints

If the position you are using move it side to side and back 3. When the child restraint is has a fixed head restraint and forth. There should be no removed, reinstall the head and you are using a single more than 2.5 cm (1 in) of restraint before the seating tether, route the tether movement, for proper position is used. around the inboard or installation. outboard side of the head { Warning restraint. Head Restraint Removal and Reinstallation With head restraints that are not 1. Partially fold the seatback installed and adjusted properly, forward. See Third Row Seats there is a greater chance that on page 3-14 for additional occupants will suffer a neck/ information. spinal injury in a crash. Do not drive until the head restraints for all occupants are installed and adjusted properly.

If the position you are using 4. Route the tether of the child has a fixed or an adjustable restraint under the head head restraint and you are restraint. using a dual tether, route the tether around the head restraint. 3. Before placing a child in the child restraint, make sure it is securely held in place. To check, 2. Press the buttons on the head grasp the child restraint at the restraint posts, and pull up on LATCH path and attempt to the head restraint. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (59,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-59

Replacing LATCH System Securing Child Restraints Parts After a Crash (Center Front Seat)

{ Warning { Warning

A crash can damage the LATCH A child in a child restraint in the system in the vehicle. A damaged center front seat can be badly LATCH system may not properly injured or killed by the frontal secure the child restraint, airbags if they inflate. Never resulting in serious injury or even secure a child restraint in the death in a crash. To help make center front seat. It is always sure the LATCH system is better to secure a child restraint in 5. With the head restraint facing working properly after a crash, a rear seat. rearward, insert the head see your dealer to have the restraint posts into the holes in the top of the seatback. system inspected and any Do not use child restraints in the necessary replacements made as center front seat position. 6. Push the head restraint down. soon as possible. 7. Try to move the head restraint to Securing Child Restraints make sure that it is locked in If the vehicle has the LATCH system (Rear Seat) place. and it was being used during a crash, new LATCH system parts When securing a child restraint in a may be needed. rear seating position, study the instructions that came with the child New parts and repairs may be restraint to make sure it is necessary even if the LATCH compatible with this vehicle. system was not being used at the time of the crash. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (60,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-60 Seats and Restraints

If the child restraint has the LATCH this position. Be sure to follow the system, see Lower Anchors and instructions that came with the child Tethers for Children (LATCH restraint. Secure the child in the System) on page 3-50 for how and child restraint when and as the where to install the child restraint instructions say. using LATCH. If a child restraint is If more than one child restraint secured in the vehicle using a needs to be installed in the rear safety belt and it uses a top tether, seat, be sure to read Where to Put see Lower Anchors and Tethers for the Restraint on page 3-49. Children (LATCH System) on page 3-50 for top tether anchor 1. Put the child restraint on locations. the seat. Do not secure a child seat in a For the third row outboard 2. Pick up the latch plate, and run position without a top tether anchor seating positions, if the head the lap and shoulder portions of if a national or local law requires restraint interferes with the the vehicle's safety belt through that the top tether be anchored, or if proper installation of the child or around the restraint. The child the instructions that come with the restraint, the head restraint may restraint instructions will show child restraint say that the top strap be removed. See “Head you how. must be anchored. Restraint Removal and Reinstallation” under Lower In Canada, the law requires that Anchors and Tethers for forward-facing child restraints have Children (LATCH System) on a top tether, and that the tether be page 3-50. attached. If the child restraint or vehicle seat position does not have the LATCH system, you will be using the safety belt to secure the child restraint in GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (61,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-61

3. Push the latch plate into the 4. Pull the shoulder belt all the way 5. To tighten the belt, push down buckle until it clicks. out of the retractor to set the on the child restraint, pull the If the latch plate will not go fully lock. When the retractor lock is shoulder portion of the belt to into the buckle, check to see if set, the belt can be tightened but tighten the lap portion of the belt the correct buckle is being used. not pulled out of the retractor. and feed the shoulder belt back into the retractor. When installing Position the release button on a forward-facing child restraint, it the buckle so that the safety belt may be helpful to use your knee could be quickly unbuckled if to push down on the child necessary. restraint as you tighten the belt. Try to pull the belt out of the retractor to make sure the retractor is locked. If the retractor is not locked, repeat Steps 4 and 5. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (62,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-62 Seats and Restraints

6. If the child restraint has a top seating position is used. See “Head Never put a rear-facing child seat in tether, follow the child restraint Restraint Removal and the front. This is because the risk to manufacturer’s instructions Reinstallation” under Lower Anchors the rear-facing child is so great if the regarding the use of the top and Tethers for Children (LATCH airbag deploys. tether. Refer to the instructions System) on page 3-50 for additional that came with the child restraint information on reinstalling the head { Warning and see Lower Anchors and restraint properly. Tethers for Children (LATCH A child in a rear-facing child System) on page 3-50. Securing Child Restraints restraint can be seriously injured 7. Before placing a child in the (Front Passenger Seat) or killed if the front outboard child restraint, make sure it is passenger frontal airbag inflates. This vehicle has airbags. A rear securely held in place. To check, This is because the back of the seat is a safer place to secure a grasp the child restraint at the rear-facing child restraint would forward-facing child restraint. See safety belt path and attempt to be very close to the inflating Where to Put the Restraint on move it side to side and back airbag. A child in a forward-facing page 3-49. and forth. When the child child restraint can be seriously restraint is properly installed, In addition, the vehicle has a injured or killed if the front there should be no more than passenger sensing system which is outboard passenger frontal airbag 2.5 cm (1 in) of movement. designed to turn off the front inflates and the passenger seat is outboard passenger frontal airbag To remove the child restraint, in a forward position. under certain conditions. See unbuckle the vehicle safety belt and Passenger Sensing System on Even if the passenger sensing let it return to the stowed position. page 3-35 and Passenger Airbag system has turned off the front If the top tether is attached to a top Status Indicator on page 5-18 for outboard passenger frontal tether anchor, disconnect it. more information, including airbag, no system is fail-safe. No If the head restraint was removed important safety information. one can guarantee that an airbag for a third row outboard seating (Continued) position, reinstall it before the GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (63,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-63

the instructions that come with the 3. Pick up the latch plate, and run Warning (Continued) child restraint say that the top strap the lap and shoulder portions of must be anchored. the vehicle's safety belt through will not deploy under some In Canada, the law requires that or around the restraint. The child unusual circumstance, even restraint instructions will show though it is turned off. forward-facing child restraints have a top tether, and that the tether be you how. Secure rear-facing child restraints attached. in a rear seat, even if the airbag is off. If you secure a When using the lap-shoulder belt to secure the child restraint in this forward-facing child restraint in position, follow the instructions that the front seat, always move the came with the child restraint and the front passenger seat as far back following instructions: as it will go. It is better to secure the child restraint in a rear seat. 1. Move the seat as far back as it will go before securing the See Passenger Sensing System forward-facing child restraint. on page 3-35 for additional information. When the passenger sensing system has turned off the front outboard passenger frontal If the child restraint uses a top airbag, the off indicator on the Tilt the latch plate to adjust the tether, see Lower Anchors and passenger airbag status belt, if needed. Tethers for Children (LATCH indicator should light and stay lit System) on page 3-50 for top tether when you start the vehicle. See anchor locations. Passenger Airbag Status Do not secure a child seat in a Indicator on page 5-18. position without a top tether anchor 2. Put the child restraint on if a national or local law requires the seat. that the top tether be anchored, or if GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (64,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-64 Seats and Restraints

4. Push the latch plate into the 5. Pull the shoulder belt all the way 6. To tighten the belt, push down buckle until it clicks. out of the retractor to set the on the child restraint, pull the Position the release button on lock. When the retractor lock is shoulder portion of the belt to the buckle so that the safety belt set, the belt can be tightened but tighten the lap portion of the belt, could be quickly unbuckled if not pulled out of the retractor. and feed the shoulder belt back necessary. into the retractor. When installing a forward-facing child restraint, it may be helpful to use your knee to push down on the child restraint as you tighten the belt. Try to pull the belt out of the retractor to make sure the retractor is locked. If the retractor is not locked, repeat Steps 5 and 6. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (65,1) Mexico-8431503) - 2015 - crc - 8/11/14

Seats and Restraints 3-65

7. Before placing a child in the child restraint, make sure it is securely held in place. To check, grasp the child restraint at the safety belt path and attempt to move it side to side and back and forth. When the child restraint is properly installed, there should be no more than 2.5 cm (1 in) of movement. If the airbag is off, the off indicator in the passenger airbag status indicator will come on and stay on when the vehicle is started. If a child restraint has been installed and the on indicator is lit, see “If the On Indicator is Lit for a Child Restraint” under Passenger Sensing System on page 3-35 for more information. To remove the child restraint, unbuckle the vehicle safety belt and let it return to the stowed position. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (66,1) Mexico-8431503) - 2015 - crc - 8/11/14

3-66 Seats and Restraints

2 NOTES GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (1,1) Mexico-8431503) - 2015 - crc - 8/11/14

Storage 4-1

Storage Storage If equipped with storage behind the radio, press and hold P to open. Compartments There is a USB port inside. See the Storage Compartments infotainment manual. { Warning Storage Compartments ...... 4-1 Press and hold P again to close. Instrument Panel Storage . . . . . 4-1 Keep the storage area closed when Glove Box ...... 4-1 Do not store heavy or sharp not in use. Cupholders ...... 4-1 objects in storage compartments. Sunglasses Storage ...... 4-2 In a crash, these objects may The storage area cannot be Armrest Storage ...... 4-2 cause the cover to open and operated with P when valet mode Rear Storage ...... 4-2 could result in injury. is enabled. See Vehicle Center Console Storage ...... 4-2 Personalization on page 5-44. Additional Storage Features Instrument Panel Storage The storage area can be operated Cargo Cover ...... 4-3 manually. Roof Rack System Roof Rack System ...... 4-4 Glove Box Lift up the glove box handle to open it. Use the key to lock and unlock the glove box. Cupholders Cupholders are in the front of the console. If equipped, cupholders may be in the second and third row seat armrest areas. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (2,1) Mexico-8431503) - 2015 - crc - 8/11/14

4-2 Storage

To remove the cupholder for Armrest Storage Center Console Storage cleaning, press together the front top center of the cupholder and pull For vehicles with a rear seat out from the chrome ring. armrest, pull the loop at the top of the armrest down to access the Sunglasses Storage cupholders. Rear Storage

Pull the handle and lift to access. There are auxiliary jacks, USB ports, an accessory power outlet, tote compartment, device holder, and SD card reader inside. If equipped, sunglasses storage is On the rear of the console, there is on the overhead console. Press the a High Voltage Power Outlet fixed button on the cover and There is storage in the floor of the (HVPO), auxiliary jacks, and an release to access. There may be a rear cargo area. Lift the handle to open storage area. child-view mirror located within the access. There is a removable sunglasses bin. Release the bin and divider to help organize. See Power Outlets on page 5-7 and then push up halfway to secure in the infotainment manual. position. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (3,1) Mexico-8431503) - 2015 - crc - 8/11/14

Storage 4-3

Additional Storage 2. Let the cover move forward to 5. Pull lightly on the cover holder to the full retracted position. make sure it is secure. Features To remove the cover: On long wheelbase models there are two cover positions. The slots Cargo Cover 1. Let the cover go all the way into the holder. furthest forward allow the cover to be used if the third seat is removed { Warning 2. Then, grasping the driver side or folded down. The cover can be cover end cap, push the cover installed and removed from An unsecured cargo cover could end cap toward the passenger either side. strike people in a sudden stop or side of the vehicle. turn, or in a crash. Store the 3. Swing the cover rearward and cargo cover securely or remove it take it out of the vehicle. from the vehicle. To put the cover in the vehicle: 1. Make sure the cover slot in the To use the cargo cover, if equipped: holder faces rearward with the 1. Pull the cover handle toward the round surface facing down. rear of the vehicle. 2. Then, hold the cover at an angle 2. Latch the cover posts into the and place the cover end cap into retaining sockets on the cargo the slot in the passenger side area trim panels. trim panel. To return the cover to the retracted 3. Move the other end of the cover position: forward and hold it next to the 1. Pull up on the cover handle to driver side trim panel slot. release the cover posts from the 4. Press the end caps in, to allow retaining sockets. the cover to fit into the trim slot. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (4,1) Mexico-8431503) - 2015 - crc - 8/11/14

4-4 Storage

Roof Rack System Do not exceed the maximum vehicle { Caution capacity when loading the vehicle. For more information on vehicle { Warning Loading cargo on the roof rack capacity and loading, see Vehicle that weighs more than 100 kg Load Limits on page 9-14. If something is carried on top of (220 lb) or hangs over the rear or the vehicle that is longer or wider sides of the vehicle may damage A Center High-Mounted Stoplamp than the roof rack — like paneling, the vehicle. Load cargo so that it (CHMSL) is located above the rear plywood, or a mattress — the rests evenly between the window glass. Make sure items loaded on the roof of the vehicle do wind can catch it while the vehicle crossrails, making sure to fasten not block or damage the CHMSL. is being driven. The item being cargo securely. carried could be violently torn off, and this could cause a collision To prevent damage or loss of cargo and damage the vehicle. Never when driving, check to make sure carry something longer or wider crossrails and cargo are securely than the roof rack on top of the fastened. Loading cargo on the roof vehicle unless using a GM rack will make the vehicle’s center certified accessory carrier. of gravity higher. Avoid high speeds, sudden starts, sharp turns, sudden If equipped, the roof rack can be braking, or abrupt maneuvers, used to load items. For roof racks otherwise it may result in loss of that do not have crossrails included, control. If driving for a long distance, GM Certified crossrails can be on rough roads, or at high speeds, purchased as an accessory. See occasionally stop the vehicle to your dealer for additional make sure the cargo remains in its information. place. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (1,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-1

Engine Coolant Temperature Information Displays Instruments and Gauge ...... 5-16 Driver Information Controls Voltmeter Gauge ...... 5-16 Center (DIC) ...... 5-28 Safety Belt Reminders ...... 5-17 Airbag Readiness Light ...... 5-18 Vehicle Messages Controls Passenger Airbag Status Vehicle Messages ...... 5-31 Indicator ...... 5-18 Battery Voltage and Charging Steering Wheel Adjustment . . . 5-2 Messages ...... 5-31 Steering Wheel Controls ...... 5-3 Charging System Light ...... 5-19 Malfunction Brake System Messages . . . . 5-32 Heated Steering Wheel ...... 5-3 Compass Messages ...... 5-32 Horn ...... 5-3 Indicator Lamp ...... 5-20 Brake System Warning Cruise Control Messages . . . . 5-32 Windshield Wiper/Washer . . . . . 5-3 Door Ajar Messages ...... 5-33 Rear Window Wiper/ Light ...... 5-22 Antilock Brake System (ABS) Engine Cooling System Washer ...... 5-5 Messages ...... 5-33 Compass ...... 5-6 Warning Light ...... 5-23 Tow/Haul Mode Light ...... 5-24 Engine Oil Messages ...... 5-34 Clock ...... 5-6 Engine Power Messages . . . . 5-35 Power Outlets ...... 5-7 Lane Departure Warning (LDW) Light ...... 5-24 Fuel System Messages ...... 5-35 Warning Lights, Gauges, and Vehicle Ahead Indicator ...... 5-24 Key and Lock Messages . . . . . 5-35 Indicators Traction Off Light ...... 5-24 Lamp Messages ...... 5-36 Warning Lights, Gauges, and StabiliTrak® OFF Light ...... 5-25 Object Detection System Indicators ...... 5-10 Traction Control System Messages ...... 5-36 Instrument Cluster ...... 5-11 (TCS)/StabiliTrak® Light . . . . 5-25 Ride Control System Speedometer ...... 5-13 Tire Pressure Light ...... 5-25 Messages ...... 5-38 Odometer ...... 5-13 Low Fuel Warning Light ...... 5-26 Airbag System Messages . . . . 5-39 Trip Odometer ...... 5-13 Security Light ...... 5-26 Security Messages ...... 5-39 Tachometer ...... 5-13 High-Beam On Light ...... 5-26 Steering System Fuel Gauge ...... 5-14 Front Fog Lamp Light ...... 5-27 Messages ...... 5-40 Engine Oil Pressure Lamps On Reminder ...... 5-27 Tire Messages ...... 5-40 Gauge ...... 5-15 Cruise Control Light ...... 5-27 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (2,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-2 Instruments and Controls

Transmission Messages . . . . . 5-41 Controls Power Tilt and Telescope Steering Vehicle Reminder Wheel Messages ...... 5-42 Washer Fluid Messages . . . . . 5-43 Steering Wheel Adjustment Vehicle Personalization Vehicle Personalization ...... 5-44 Universal Remote System Universal Remote System . . . 5-52 Universal Remote System Programming ...... 5-52 Universal Remote System Operation ...... 5-54

To adjust the power tilt and telescope steering wheel, if equipped: To adjust the steering wheel: Press the control to move the 1. Hold the steering wheel and pull steering wheel up and down or the lever. forward and rearward. 2. Move the steering wheel up Do not adjust the steering wheel or down. while driving. 3. Release the lever to lock the wheel in place. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (3,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-3

Steering Wheel Controls The steering wheel takes about 3 INT (Intermittent Wipes): Turn three minutes to start heating. The infotainment system can be the z FRONT band up for more operated by using the steering Horn frequent wipes or down for less wheel controls. See "Steering frequent wipes. Wheel Controls" in the infotainment To sound the horn, press a on the OFF: Turns the windshield manual. steering wheel. wipers off. 8 (Mist): For a single wipe, Heated Steering Wheel Windshield Wiper/Washer turn to 8, then release. For several wipes, hold the band on 8 longer. Clear ice and snow from the wiper blades before using them. If frozen to the windshield, carefully loosen or thaw them. Damaged wiper blades should be replaced. See Wiper The windshield wiper control is on Blade Replacement on page 10-28. the turn signal lever. Heavy snow or ice can overload the The windshield wipers are controlled wiper motor. An internal circuit z breaker to the motor will stop the by turning the band with motor until it cools down. FRONT on it. Wiper Parking ( (Heated Steering Wheel, If 1 (High Speed): Fast wipes. If the ignition is put in OFF while the Equipped): Press to turn it on or w (Low Speed): Slow wipes. off. A light next to the button wipers are on w, 1, or 3 INT, displays when the feature is they will immediately stop. turned on. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (4,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-4 Instruments and Controls

If z FRONT is then moved to sensitivity to moisture. When turned OFF before the driver door is off, the wipers operate as timed opened or within 10 minutes, the intermittent wipers and can be wipers will restart and move to the adjusted for more or less frequent base of the windshield. wipes. If the ignition is put in OFF while the If z AUTO is on when the ignition . wipers are performing wipes due to Turn the band up for more is turned on, or if the ignition is in sensitivity to moisture. windshield washing or Rainsense, ON/RUN and the z FRONT band the wipers continue to run until they . Turn the band down for less is in one of the sensitivity settings reach the base of the windshield. sensitivity to moisture. when z AUTO is turned on or off, Rainsense™ Move the band out of the 3 INT a message may display indicating if Rainsense was turned on or off. With Rainsense, a sensor near the position to deactivate Rainsense. top center of the windshield detects If the ignition is in ON/RUN and z the amount of water on the FRONT is not in one of the windshield and controls the sensitivity settings when z AUTO frequency of the windshield wiper. is turned on, a message may Keep this area of the windshield display indicating that the wiper clear of debris to allow for best band must be in one of the system performance. sensitivity settings for Rainsense to operate. 3 INT (Rainsense Wipe z AUTO (Rainsense On/Off): Sensitivity): Turn the z FRONT Press to turn Rainsense on or off. Wiper Arm Assembly Protection band on the wiper lever to adjust the When turned on and z FRONT is When using an automatic car wash, sensitivity. in one of the Rainsense wipe move the windshield wiper lever to sensitivity positions the wipers can OFF. This disables the automatic be adjusted for more or less Rainsense windshield wipers. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (5,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-5

With Rainsense, if the transmission released, additional wipes may ON (Rear Wipes): Turns on the is in N (Neutral) and the vehicle occur depending on how long the rear wiper. speed is very slow, the wipers will windshield washer had been = REAR (Rear Wiper Wash): automatically stop at the base of the activated. See Washer Fluid on Press this button on the end of the windshield. page 10-20 for information on filling lever to spray washer fluid on the The wiper operations return to the windshield washer fluid rear window. The wipers will clear normal when the transmission is no reservoir. the rear window and either stop or longer in N (Neutral) or the vehicle return to your preset speed. For speed has increased. Rear Window Wiper/ more washer cycles, press and hold Washer the button. Windshield Washer The rear window wiper/washer will { Warning not operate if the liftgate or liftglass is open or ajar. If the liftgate or In freezing weather, do not use liftglass is opened while the rear the washer until the windshield is wiper is on, the wiper returns to the warmed. Otherwise the washer parked position and stops. fluid can form ice on the Rear Wiper Arm Assembly windshield, blocking your vision. The rear wiper control is on the turn Protection signal lever. When using an automatic car wash, L m (Washer Fluid): Push the To turn the rear wiper on, slide the move the rear wiper control to OFF paddle marked with the windshield lever to a wiper position. to disable the rear wiper. In some washer symbol at the top of the turn OFF: Turns the wiper off. vehicles, if the transmission is in signal lever to spray washer fluid N (Neutral) and the vehicle speed is and activate the wipers. The wipers INT (Intermittent Wipes): Turns on very slow, the rear wiper will will continue until the paddle is the rear wiper with a delay between automatically stop at the base of the released or the maximum wash time wipes. rear window. is reached. When the paddle is GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (6,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-6 Instruments and Controls

The wiper operations return to Compass Clock normal when the transmission is no longer in N (Neutral) or the vehicle The vehicle may have a compass Setting the Time and Date with speed has increased. display on the Driver Information Faceplate Controls Center (DIC). The compass receives Reverse Gear Wipes its heading and other information To set the time or date: If the rear wiper control is off, the from the Global Positioning 1. Select SETTINGS from the System (GPS) antenna, Home Page, then select Time rear wiper will automatically operate ® continuously when the shift lever is StabiliTrak , and vehicle speed and Date. information. in R (Reverse), and the front 2. Select the desired function. windshield wiper is performing low The compass system is designed to or high speed wipes. If the rear operate for a certain number of 3. Turn the MENU knob to increase wiper control is off, the shift lever is miles or degrees of turn before or decrease the value. in R (Reverse), and the front needing a signal from the GPS 4. Press the MENU knob to go to windshield wiper is performing satellites. When the compass the next value. After the last interval wipes, then the rear wiper display shows CAL, drive the value is selected, the system will automatically performs interval vehicle for a short distance in an update and return to the Settings wipes. open area where it can receive a menu. Press o BACK to go to This feature can be changed. See GPS signal. The compass system the last menu and save the Vehicle Personalization on will automatically determine when a changes. page 5-44. GPS signal is restored and provide a heading again. See Compass Auto Set requires an OnStar The windshield washer reservoir is Messages on page 5-32 for the subscription. used for the windshield and the rear messages that may be displayed for If auto timing is set, the time window. Check the fluid level in the the compass. displayed on may not reservoir if either washer is not update immediately when driving working. See Washer Fluid on into a new time zone. page 10-20. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (7,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-7

To set the clock display: Auto Set requires an OnStar Power Outlets subscription. 1. Select SETTINGS from the Accessory power outlets can be Home Page, then select Time If auto timing is set, the time used to plug in electrical equipment, and Date. displayed on the clock may not such as a cell phone, MP3 2. Select Clock Display. update immediately when driving player, etc. into a new time zone. 3. Turn the MENU knob to Off The vehicle may have up to five or On. To set the date: accessory power outlets: 4. Press the MENU knob to select. 1. Press the SETTINGS screen Vehicles with a Center Console button from the Home Page, Press o BACK to go to the last then press Time and Date. . One in front of the cupholders on menu and save the changes. the center console. 2. Press Set Date and press or « . Setting the Time and Date with to increase or decrease One inside the center storage ª console. Touchscreen Controls month, day, or year. } . One on the rear of the center To set the time: 3. Press the screen button to go storage console. back to the previous menu. 1. Press the SETTINGS screen . One in the third row seat on the button from the Home Page, To set the clock display: driver side. then press Time and Date. 1. Press the SETTINGS screen . One in the rear cargo area on 2. Press Set Time and press « or button and press Time and Date. the passenger side. ª to increase or decrease 2. Press Clock Display and press Vehicles with Bench Seats hours, minutes, and AM or PM. OFF or ON to turn the clock Press 12–24 Hr for 12 or display off or on. . One on the center stack below 24 hour clock. the climate control system. 3. Press the } screen button to go } . One in the storage area on the 3. Press the screen button to go back to the previous menu. back to the previous menu. bench seat. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (8,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-8 Instruments and Controls

. One on the rear of the center vehicle, and the vehicle may not armrest storage. start. See Ignition Positions (Key { Caution . Access) on page 9-20 or Ignition One in the third row seat area on Leaving electrical equipment the driver side. Positions (Keyless Access) on page 9-22. plugged in for an extended period . One in the rear cargo area on of time while the ignition is in the passenger side. . The power outlets in the third LOCK/OFF will drain the battery. row seat area or in the rear Lift the cover to access and replace Always unplug electrical cargo area are powered at all equipment when not in use and when not in use. times. The power outlets inside do not plug in equipment that The accessory power outlets are the storage area, on the rear of exceeds the maximum 15 ampere powered as follows: the console, or on the bench seat are only powered when the rating. . The power outlet near the ignition is in ON/RUN or ACC/ cupholders for vehicles with a ACCESSORY, or when RAP is center console or on the center Certain power accessory plugs may active. stack for vehicles with bench not be compatible with the seats, can be configured to accessory power outlet and could operate using Retained { Warning overload vehicle or adapter fuses. Accessory Power (RAP) or If a problem is experienced, see battery power modes. If these Power is always supplied to the your dealer. power outlets are used while in outlet, if configured accordingly. When adding electrical equipment, the battery power mode, this Do not leave electrical equipment be sure to follow the proper could cause interference plugged in when the vehicle is not installation instructions included with between the Remote Keyless in use because the vehicle could the equipment. See Add-On Entry (RKE) transmitter and the catch fire and cause injury or Electrical Equipment on page 9-89. death. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (9,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-9

An indicator light on the outlet turns The power outlet is not designed for { Caution on to show it is in use. The light the following, and may not work comes on when the ignition is in properly if they are plugged in: Hanging heavy equipment from ON/RUN, equipment requiring less . Equipment with high initial peak the power outlet can cause than 150 watts is plugged into the damage not covered by the wattage, such as outlet, and no system fault is compressor-driven refrigerators vehicle warranty. The power detected. outlets are designed for and electric power tools. The indicator light does not come on accessory power plugs only, such . Other equipment requiring an when the ignition is in LOCK/OFF or as cell phone charge cords. extremely stable power supply, if the equipment is not fully seated such as into the outlet. microcomputer-controlled Power Outlet 110 Volt If equipment is connected using electric blankets and touch Alternating Current more than 150 watts or a system sensor lamps. fault is detected, a protection circuit If equipped with this power outlet, it . Medical equipment. can be used to plug in electrical shuts off the power supply and the equipment that uses a maximum indicator light turns off. To reset the limit of 150 watts. circuit, unplug the item and plug it back in or turn the ignition off and For vehicles with a center console, then back to ON/RUN. The power the 110 volt power outlet is on the restarts when equipment using 150 rear of the center console. watts or less is plugged into the For vehicles with bench seats, the outlet and a system fault is not 110 volt power outlet is on the detected. center stack below the climate controls. The 110 volt power outlet is on the rear of the center console. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (10,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-10 Instruments and Controls

Warning Lights, Warning lights come on when there When one of the warning lights could be a problem with a vehicle comes on and stays on while Gauges, and function. Some warning lights come driving, or when one of the gauges on briefly when the engine is started shows there may be a problem, Indicators to indicate they are working. check the section that explains what Warning lights and gauges can Gauges can indicate when there to do. Waiting to do repairs can be signal that something is wrong could be a problem with a vehicle costly and even dangerous. before it becomes serious enough function. Often gauges and warning to cause an expensive repair or lights work together to indicate a replacement. Paying attention to the problem with the vehicle. warning lights and gauges could prevent injury. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (11,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-11

Instrument Cluster

English Shown, Metric Similar GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (12,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-12 Instruments and Controls

Cluster Menu . Info App. This is where the from the favorites, or change the selected Driver Information phone source. If there is an active There is an interactive display area Center (DIC) displays can be call, mute the phone or switch to in the center of the instrument viewed. See Driver Information handset operation. cluster. Center (DIC) on page 5-28. Navigation . Audio V . Phone Press to select the Navigation app, then press to enter the . Navigation p Navigation menu. If there is no . Settings active route, you can resume the Audio last route and turn the voice prompts on/off. If there is an active Press V to select the Audio app, route, you can cancel the route. then press p to enter the Audio Settings menu. In the Audio menu browse for music, select from the favorites, Press V to select the Settings app. or change the audio source. In the Use w or x to scroll through items Use the right steering wheel control main application view, use w or x in the Settings menu. to open and scroll through the to change the station or go to the Units: Press while Units is different items and displays. next or previous track. p displayed to enter the Units menu. Press o to access the cluster Phone Choose English or metric units by applications. Use or to scroll V w x Press V to select the Phone app, pressing while the desired item is through the list of available highlighted. A checkmark will be applications. Not all applications will then press p to enter the Phone displayed next to the selected item. be available on all vehicles. menu. In the Phone menu, if there is no active phone call, view recent calls, scroll through contacts, select GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (13,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-13

Info Pages: Press while Info Speedometer p { Caution Pages is displayed to enter the Info The speedometer shows the Pages menu and select the items to vehicle's speed in either kilometers If the engine is operated with the be displayed in the Info app. See per hour (km/h) or miles per rpm’s in the warning area at the Driver Information Center (DIC) on hour (mph). high end of the tachometer, the page 5-28. vehicle could be damaged, and Speed Warning: The Speed Odometer the damage would not be covered Warning display allows the driver to by the vehicle warranty. Do not The odometer shows how far the set a speed that they do not want to operate the engine with the rpm’s exceed. To set the Speed Warning, vehicle has been driven, in either kilometers or miles. in the warning area. press p when Speed Warning is displayed, or press V on the main Trip Odometer view to set the speed value. Press w or x to adjust the value. Press The trip odometer shows how far V to set the speed. Once the speed the vehicle has been driven since is set, this feature can be turned off the trip odometer was last reset. by pressing V while viewing this The trip odometer is accessed and page. If the selected speed limit is reset through the Driver Information exceeded, a pop-up warning is Center (DIC). See Driver displayed with a chime. Information Center (DIC) on page 5-28. Software Information: Press p while Software Information is Tachometer highlighted to display open source software information. The tachometer displays the engine speed in revolutions per minute (rpm). GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (14,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-14 Instruments and Controls

Fuel Gauge When the ignition is on, the fuel . It takes a little more or less fuel gauge indicates about how much to fill up than the gauge fuel is left in the tank. indicated. For example, the gauge may have indicated the There is an arrow near the fuel tank was half full, but it actually gauge pointing to the side of the took a little more or less than vehicle the fuel door is on. half the tank's capacity to fill When the indicator nears empty, the the tank. low fuel light comes on. There still is . The gauge moves a little while a little fuel left, but the vehicle turning a corner or speeding up. should be refueled soon. . The gauge takes a few seconds Here are four things that some to stabilize after the ignition is owners ask about. None of these turned on, and goes back to show a problem with the fuel gauge: Metric empty when the ignition is . At the service station, the fuel turned off. pump shuts off before the gauge reads full.

English GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (15,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-15

Engine Oil Pressure PRESSURE LOW STOP ENGINE” under Engine Oil Messages on Gauge page 5-34 and Engine Oil on page 10-6.

{ Caution

Lack of proper engine oil maintenance can damage the engine. Driving with the engine oil low can also damage the engine. The repairs would not be English covered by the vehicle warranty. The engine oil pressure gauge Check the oil level as soon as shows the engine oil pressure possible. Add oil if required, but if Metric in kPa (kilopascals) or psi (pounds the oil level is within the operating per square inch) when the engine is range and the oil pressure is still running. low, have the vehicle serviced. Always follow the maintenance Oil pressure can vary with engine schedule for changing engine oil. speed, outside temperature and oil viscosity. A reading outside the normal operating range can be caused by a dangerously low oil level or some other problem causing low oil pressure. Check the vehicle's oil as soon as possible. See “OIL GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (16,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-16 Instruments and Controls

Engine Coolant Voltmeter Gauge Temperature Gauge

English This gauge measures the temperature of the vehicle's engine Metric When the ignition is on, this gauge coolant. indicates the battery voltage. While driving under normal When the engine is running, this operating conditions, if the needle gauge shows the condition of the moves into the red warning area, charging system. The gauge can the engine is too hot. Pull off the transition from a higher to lower or a road, stop the vehicle, and turn off lower to higher reading. This is the engine as soon as possible. normal. If the vehicle is operating outside the normal operating range, the charging system light comes on. See Charging System Light on page 5-19 for more information. The GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (17,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-17

voltmeter gauge may also read Readings outside the normal times if the driver remains or lower when in fuel economy mode. operating range indicate a possible becomes unbuckled while the This is normal. problem in the electrical system. vehicle is moving. Readings outside the normal Have the vehicle serviced as soon If the driver safety belt is buckled, operating range can also occur as possible. neither the light nor the chime when a large number of electrical comes on. accessories are operating in the Safety Belt Reminders Passenger Safety Belt vehicle and the engine is left idling Driver Safety Belt Reminder for an extended period. This Reminder Light Light condition is normal since the There may be a passenger safety charging system is not able to There is a driver safety belt belt reminder light near the provide full power at engine idle. As reminder light on the instrument passenger airbag status indicator. engine speeds are increased, this cluster. See Passenger Sensing System on condition should correct itself as page 3-35. higher engine speeds allow the charging system to create maximum power. The vehicle can only be driven for a short time with the readings outside the normal operating range. If the vehicle must be driven, turn off all When the vehicle is started, this accessories, such as the radio and light flashes and a chime may come For vehicles equipped with the air conditioner. on to remind the driver to fasten passenger safety belt reminder light, their safety belt. Then the light stays when the vehicle is started this light on solid until the belt is buckled. flashes and a chime may come on This cycle may continue several to remind passengers to fasten their safety belt. Then the light stays on solid until the belt is buckled. This GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (18,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-18 Instruments and Controls

cycle continues several times if the and diagnostic module. For more passenger remains or becomes information on the airbag system, Warning (Continued) unbuckled while the vehicle is see Airbag System on page 3-28. moving. without a crash. To help avoid injury, have the vehicle serviced If the passenger safety belt is right away. buckled, neither the chime nor the light comes on. If there is a problem with the airbag The front passenger safety belt system, a Driver Information Center reminder light and chime may turn (DIC) message may also come on. on if an object is put on the seat The airbag readiness light comes on See Airbag System Messages on such as a briefcase, handbag, for several seconds when the page 5-39. grocery bag, laptop, or other vehicle is started. If the light does electronic device. To turn off the not come on then, have it fixed reminder light and/or chime, remove Passenger Airbag Status immediately. the object from the seat or buckle Indicator the safety belt. { Warning The vehicle has a passenger sensing system. See Passenger Airbag Readiness Light If the airbag readiness light stays Sensing System on page 3-35 for This light shows if there is an on after the vehicle is started or important safety information. The electrical problem with the airbag comes on while driving, it means passenger airbag status indicator is system. The system check includes the airbag system might not be in the overhead console. the airbag sensor(s), passenger working properly. The airbags in sensing system (if equipped), the the vehicle might not inflate in a pretensioners, the airbag modules, crash, or they could even inflate the wiring, and the crash sensing (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (19,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-19

If the word ON or the on symbol is lit on the passenger airbag status { Warning indicator, it means that the front outboard passenger frontal airbag is If the airbag readiness light ever allowed to inflate. comes on and stays on, it means that something may be wrong If the word OFF or the off symbol is with the airbag system. To help United States lit on the airbag status indicator, it avoid injury to yourself or others, means that the passenger sensing have the vehicle serviced right system has turned off the front away. See Airbag Readiness outboard passenger frontal airbag. Light on page 5-18 for more If, after several seconds, both status information, including important indicator lights remain on, or if there safety information. are no lights at all, there may be a Canada and Mexico problem with the lights or the passenger sensing system. See Charging System Light When the vehicle is started, the your dealer for service. passenger airbag status indicator will light ON and OFF, or the symbol for on and off, for several seconds as a system check. Then, after several more seconds, the status indicator will light either ON or OFF, or the on or off symbol, to let you know the status of the front The charging system light comes on outboard passenger frontal airbag. briefly when the ignition is turned on, but the engine is not running, as GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (20,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-20 Instruments and Controls

a check to show the light is working. are at acceptable levels, helping to assists the service technician in It should go out when the engine is maintain a clean environment. The correctly diagnosing any started. malfunction indicator lamp comes malfunction. If the light stays on, or comes on on when the vehicle is placed in while driving, there may be a ON/RUN, as a check to show it is { Caution problem with the electrical charging working. If it does not, have the system. Have it checked by your vehicle serviced by your dealer. See If the vehicle is continually driven dealer. Driving while this light is on Ignition Positions (Key Access) on with this light on, the emission could drain the battery. page 9-20 or Ignition Positions controls might not work as well, (Keyless Access) on page 9-22. the vehicle fuel economy might When this light comes on, or is not be as good, and the engine flashing, the Driver Information might not run as smoothly. This Center (DIC) also displays a could lead to costly repairs that message. might not be covered by the See Battery Voltage and Charging vehicle warranty. Messages on page 5-31. If a short distance must be driven with the light on, be sure to turn off If the malfunction indicator lamp all accessories, such as the radio comes on while the engine is { Caution and air conditioner. running, this indicates that the OBD II system has detected a problem Modifications made to the engine, transmission, exhaust, intake, Malfunction and diagnosis and service might be required. or fuel system of the vehicle or Indicator Lamp the replacement of the original Malfunctions often are indicated by tires with other than those of the A computer system called OBD II the system before any problem is (On-Board Diagnostics-Second apparent. Being aware of the light same Tire Performance Criteria Generation) monitors the operation can prevent more serious damage (Continued) of the vehicle to ensure emissions to the vehicle. This system also GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (21,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-21

. Avoid hard accelerations. improperly installed. A loose or Caution (Continued) . Avoid steep uphill grades. missing fuel cap allows fuel to evaporate into the atmosphere. . (TPC) can affect the vehicle's If towing a trailer, reduce the A few driving trips with the cap emission controls and can cause amount of cargo being hauled as properly installed should turn the this light to come on. soon as it is possible. light off. Modifications to these systems If the light continues to flash, find a . Check that good quality fuel is could lead to costly repairs not safe place to stop and park the covered by the vehicle warranty. used. Poor fuel quality causes vehicle. Turn the vehicle off, wait at the engine not to run as This could also result in a failure least 10 seconds, and restart the efficiently as designed and may to pass a required Emission engine. If the light is still flashing, cause stalling after start-up, Inspection/Maintenance test. See follow the previous steps and see stalling when the vehicle is Accessories and Modifications on your dealer for service as soon as changed into gear, misfiring, page 10-3. possible. hesitation on acceleration, Light On Steady: An emission or stumbling on acceleration. This light comes on during a control system malfunction has These conditions might go away malfunction in one of two ways: been detected on the vehicle. once the engine is warmed up. Diagnosis and service might be If one or more of these conditions Light Flashing: A misfire condition required. has been detected. A misfire occurs, change the fuel brand used. increases vehicle emissions and The following may correct an It may require at least one full tank could damage the emission control emission control system of the proper fuel to turn the light off. system on the vehicle. Diagnosis malfunction: See Fuel on page 9-69. and service might be required. . Check that the fuel cap is fully If none of the above have made the To prevent more serious damage to installed. See Filling the Tank on light turn off, your dealer can check the vehicle: page 9-72. The diagnostic the vehicle. The dealer has the system can determine if the fuel . proper test equipment and Reduce vehicle speed. cap has been left off or GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (22,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-22 Instruments and Controls

diagnostic tools to fix any The vehicle may not pass system readiness, your dealer mechanical or electrical problems inspection if: can prepare the vehicle for that might have developed. inspection. . The malfunction indicator lamp is on with the engine running, or if Emissions Inspection and Brake System Warning Maintenance Programs the light does not come on when the ignition is turned to ON/RUN Light Depending on where you live, your while the engine is off. See your The vehicle brake system consists vehicle may be required to dealer for assistance in verifying of two hydraulic circuits. If one participate in an emission control proper operation of the circuit is not working, the remaining system inspection and maintenance malfunction indicator lamp. program. For the inspection, the circuit can still work to stop the emission system test equipment will . The OBD II (On-Board vehicle. For normal braking likely connect to the vehicle's Data Diagnostics) system determines performance, both circuits need to Link Connector (DLC). that critical emission control be working. systems have not been If the warning light comes on, there completely diagnosed. The is a brake problem. Have the brake vehicle would be considered not system inspected right away. ready for inspection. This can happen if the 12-volt battery has recently been replaced or run down. The diagnostic system is designed to evaluate critical The DLC is under the instrument emission control systems during panel to the left of the steering normal driving. This can take wheel. See your dealer if assistance several days of routine driving. Metric English is needed. If this has been done and the vehicle still does not pass the inspection for lack of OBD II GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (23,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-23

This light should come on briefly If the light does not come on, have it when the engine is started. If it does { Warning fixed so it will be ready to warn if not come on then, have it fixed so it there is a problem. The brake system might not be will be ready to warn if there is a If the light comes on while driving, problem. working properly if the brake system warning light is on. stop as soon as it is safely possible When the ignition is on, the brake Driving with the brake system and turn off the vehicle. Then start system warning light also comes on warning light on can lead to a the engine again to reset the when the parking brake is set. The crash. If the light is still on after system. If the ABS light stays on, light stays on if the parking brake or comes on again while driving, the the vehicle has been pulled off does not fully release. If it stays on vehicle needs service. A chime may the road and carefully stopped, after the parking brake is fully also sound when the light comes on released, it means the vehicle has a have the vehicle towed for steady. service. brake problem. If the ABS light is the only light on, If the light comes on while driving, the vehicle has regular brakes, but pull off the road and stop carefully. Antilock Brake System the antilock brakes are not The pedal might be harder to push, (ABS) Warning Light functioning. or the pedal can go closer to the If both the ABS and the brake floor. It may take longer to stop. system warning light are on, the If the light is still on, have the vehicle's antilock brakes are not vehicle towed for service. See functioning and there is a problem Towing the Vehicle on page 10-81. with the regular brakes. See your dealer for service. See Brake System Warning Light on This light comes on briefly when the page 5-22 and Brake System engine is started. Messages on page 5-32. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (24,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-24 Instruments and Controls

Tow/Haul Mode Light If it does not come on, have the Traction Off Light vehicle serviced. This light is green if LDW is on and ready to operate. This light changes to amber and flashes to indicate that the lane marking has been crossed without using a turn signal in that direction. For vehicles with the Tow/Haul This light comes on briefly while Mode feature, this light comes on See Lane Departure Warning (LDW) starting the engine. If it does not, when the Tow/Haul Mode has been on page 9-68. have the vehicle serviced by your activated. dealer. If the system is working Vehicle Ahead Indicator See Tow/Haul Mode on page 9-36. normally, the indicator light then turns off. Lane Departure Warning The traction off light comes on when (LDW) Light the Traction Control System (TCS) has been turned off by pressing and releasing the TCS/StabiliTrak button. If equipped, this indicator will This light and the StabiliTrak OFF display green when a vehicle is light come on when StabiliTrak is detected ahead and amber when turned off. you are following a vehicle ahead If the TCS is off, wheel spin is not If equipped, this light comes on much too closely. limited. Adjust driving accordingly. briefly while starting the vehicle. See Forward Collision Alert (FCA) See Traction Control/Electronic System on page 9-61. Stability Control on page 9-44. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (25,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-25

StabiliTrak® OFF Light Traction Control System If the indicator/warning light is on ® and flashing, the TCS and/or the (TCS)/StabiliTrak Light StabiliTrak system is actively working. See Traction Control/Electronic Stability Control on page 9-44. Tire Pressure Light This light comes on briefly while starting the engine. If it does not, This light comes on briefly when the have the vehicle serviced by your engine is started. dealer. If the light does not come on, have This light comes on when the the vehicle serviced by your dealer. StabiliTrak system is turned off. If the system is working normally, If StabiliTrak is off, the Traction the indicator light turns off. Control System (TCS) is also off. For vehicles with the Tire Pressure If the light is on and not flashing, the Monitor System (TPMS), this light If the StabiliTrak and TCS are off, TCS and potentially the StabiliTrak comes on briefly when the engine is the system does not assist in system have been disabled. A DIC started. It provides information controlling the vehicle. Turn on the message may display. Check the about tire pressures and the TPMS. TCS and the StabiliTrak systems DIC messages to determine which and the warning light turns off. feature(s) is no longer functioning When the Light Is On Steady See Traction Control/Electronic and whether the vehicle requires This indicates that one or more of Stability Control on page 9-44. service. the tires are significantly underinflated. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (26,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-26 Instruments and Controls

A Driver Information Center (DIC) This light is near the fuel gauge and If the light stays on and the engine tire pressure message may also comes on briefly when the ignition is does not start, there could be a display. See Tire Messages on turned on as a check to show it is problem with the theft-deterrent page 5-40. Stop as soon as working. system. See Immobilizer Operation possible, and inflate the tires to the It also comes on when the fuel tank (Keyless Access) on page 2-27 or pressure value shown on the Tire is low on fuel. The light turns off Immobilizer Operation (Key Access) and Loading Information label. See when fuel is added. If it does not, on page 2-26. Tire Pressure on page 10-51. have the vehicle serviced. When the Light Flashes First and High-Beam On Light Then Is On Steady Security Light If the light flashes for about a minute and then stays on, there may be a problem with the TPMS. If the problem is not corrected, the light will come on at every ignition cycle. See Tire Pressure Monitor Operation on page 10-54. This light comes on when the The security light should come on high-beam headlamps are in use. Low Fuel Warning Light briefly as the engine is started. If it See Headlamp High/Low-Beam does not come on, have the vehicle Changer on page 6-2. serviced by your dealer. If the system is working normally, the indicator light turns off. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (27,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-27

Front Fog Lamp Light Lamps On Reminder Adaptive Cruise Control Light

For vehicles with fog lamps, this This light comes on when the This light is white when the Adaptive light comes on when the fog lamps exterior lamps are in use. See Cruise Control (ACC, if equipped) is are on. Exterior Lamp Controls on page 6-1. on and ready, and turns green when the ACC is set and active. See The light goes out when the fog Cruise Control Light Adaptive Cruise Control on lamps are turned off. See Fog page 9-50. Lamps on page 6-5 for more information.

The cruise control light is white when the cruise control is on and ready, and turns green when the cruise control is set and active. See Cruise Control on page 9-47. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (28,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-28 Instruments and Controls

Information Displays w or x : Press to move up or 5. Press w or x to move through down in a list. In the main view, you the list of possible information Driver Information can press up and down to move displays. between different info app pages. Center (DIC) 6. Press V while an item is o or p : Press to move between highlighted to select or deselect The DIC displays are shown in the the interactive display zones in the center of the instrument cluster in that item. When an item is cluster. selected, a checkmark will the Info app. See Instrument Cluster V appear next to it. on page 5-11. The displays show (Set/Reset): Press to open a menu or select a menu item. Press the status of many vehicle systems. DIC Info Pages The controls for the DIC are on the and hold to reset values on certain right steering wheel control. screens. The following is the list of all possible DIC info page displays. DIC Info Page Options Some may not be available for your The info pages on the DIC can be particular vehicle. Some items may turned on or off through the not be turned on by default but can Settings menu. be turned on through the Settings app. See “DIC Info Page Options” 1. Press o to access the cluster earlier in this section. applications. Speed: Shows the vehicle speed in 2. Press w or x to scroll to the either kilometers per hour (km/h) or Settings application. miles per hour (mph). 3. Press V to enter the Trip A or Trip B: Shows the Settings menu. current distance traveled, in either kilometers (km) or miles (mi), since 4. Scroll to Info Pages and the trip odometer was last reset. press p. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (29,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-29

This also shows the approximate Oil Life: Shows an estimate of the the Oil Life display is active. See average liters per 100 kilometers oil's remaining useful life. Engine Oil Life System on (L/100 km) or miles per If REMAINING OIL LIFE 99% is page 10-9. gallon (mpg). This number is displayed, that means 99% of the Tire Pressure: Shows the calculated based on the number of current oil life remains. approximate pressures of all four L/100 km (mpg) recorded since the When the remaining oil life is low, tires. Tire pressure is displayed in last time this menu item was reset. the CHANGE ENGINE OIL SOON either kilopascal (kPa) or in pounds This number reflects only the message will appear on the display. per square inch (psi). If the pressure approximate average fuel economy See Engine Oil Messages on is low, the value for that tire is that the vehicle has right now, and page 5-34. The oil should be shown in amber. See Tire Pressure will change as driving conditions changed as soon as possible. See Monitor System on page 10-53 and change. Engine Oil on page 10-6. In addition Tire Pressure Monitor Operation on Press and hold V while this display to the engine oil life system page 10-54. is active to reset the trip odometer monitoring the oil life, additional Fuel Economy: The center and the average fuel economy. Trip maintenance is recommended in the displays the approximate A and Trip B can also be reset by Maintenance Schedule. See instantaneous fuel economy as a Maintenance Schedule on pressing p and choosing reset. number and bar graph. Displayed page 11-2. above the bar graph is a running Fuel Range: Shows the The Oil Life display must be reset average of fuel economy for the approximate distance the vehicle after each oil change. It will not most recently traveled selected can be driven without refueling. reset itself. Do not to reset the Oil distance. Displayed below the bar LOW will be displayed when the Life display at any time other than graph is the best average fuel vehicle is low on fuel. The fuel when the oil has just been changed. economy that has been achieved for range estimate is based on an It cannot be reset accurately until the selected distance. The selected average of the vehicle's fuel the next oil change. To reset the distance is displayed at the top of economy over recent driving history engine oil life system, press and the page as “last xxx mi/km.” Next and the amount of fuel remaining in hold V for several seconds while to the odometer, the Active Fuel the fuel tank. Management displays the number of GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (30,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-30 Instruments and Controls

cylinders the vehicle is running on. and the timer is running. To reset OUTPUT shows the power output to ® See Active Fuel Management on the timer to zero, press and hold V the trailer anytime a trailer with page 9-30. while this display is active, or press electric brakes is connected. Output p and select reset. is displayed as a bar graph. Dashes Press p to select the distance or may appear in the OUTPUT display reset best value. Use w and x to Speed Limit (If Equipped): Shows if a trailer is not connected. sign information, which comes from choose the distance and press V. a roadway database in the onboard Off Road: Displays vehicle pitch Press w and x to select “Reset navigation. and roll information, road wheel angle, and four-wheel drive (4WD) Best Score.” Press V to reset the Engine Hours: Shows the total status. best average fuel economy. After number of hours the engine has run. reset, the best value displays “-,-” Blank Page: Shows no until the selected distance has been Transmission Fluid information. traveled. Temperature: Shows the temperature of the automatic The display provides information on transmission fluid in either degrees how current driving behavior affects Celsius (°C) or degrees the running average and how well Fahrenheit (°F). recent driving compares to the best that has been achieved for the Trailer Brake (If Equipped): On selected distance. vehicles with the Integrated Trailer Brake Control (ITBC) system, the Timer: This display can be used as trailer brake display appears in a timer. To start the timer, press V the DIC. while this display is active. The TRAILER GAIN shows the trailer display will show the amount of time gain setting. This setting can be that has passed since the timer was adjusted from 0.0 to 10.0 with either last reset. To stop the timer, press V a trailer connected or disconnected. briefly while this display is active GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (31,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-31

Vehicle Messages Battery Voltage and SERVICE BATTERY CHARGING SYSTEM Messages displayed on the DIC Charging Messages indicate the status of the vehicle or On some vehicles, this message BATTERY LOW START displays if there is a problem with some action that may be needed to VEHICLE correct a condition. Multiple the battery charging system. Under messages may appear one after When the vehicle’s battery is certain conditions, the charging another. severely discharged, this message system light may also turn on in the will display and four chimes will instrument cluster. See Charging The messages that do not require sound. Start the vehicle System Light on page 5-19. Driving immediate action can be immediately. If the vehicle is not with this problem could drain the acknowledged and cleared by started and the battery continues to battery. Turn off all unnecessary pressing V or the trip odometer discharge, the climate controls, accessories. Have the electrical reset stem on the base cluster. heated seats, and audio systems system checked as soon as possible. See your dealer. The messages that require will shut off and the vehicle may immediate action cannot be cleared require a jump start. These systems TRANSPORT MODE ON until that action is performed. will function again after the vehicle is started. This message is displayed when the All messages should be taken vehicle is in transport mode. Some seriously and clearing the message BATTERY SAVER ACTIVE features can be disabled while in does not correct the problem. This message displays when the this mode, including Remote The following are the possible battery voltage drops below Keyless Entry (RKE), remote start, messages and some information expected levels and features are and the vehicle alarm system. Take about them. disabled. Turn off all unnecessary the vehicle to your dealer for service accessory features. to turn transport mode off. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (32,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-32 Instruments and Controls

Brake System Messages When this message displays, power Cruise Control Messages is no longer available to the trailer BRAKE FLUID LOW brakes. ADAPTIVE CRUISE SET This message is displayed when the As soon as it is safe to do so, TO XXX brake fluid level is low. See Brake carefully pull your vehicle over to This message displays when the Fluid on page 10-21. the side of the road and turn the Adaptive Cruise Control (ACC) ignition off. Check the wiring speed is set. See Adaptive Cruise SERVICE BRAKE ASSIST connection to the trailer and turn the Control on page 9-50. This message may be displayed ignition back on. If this message still when there is a problem with the displays, either your vehicle or the ADAPTIVE CRUISE brake boost assist system. When trailer needs service. See your TEMPORARILY UNAVAILABLE this message is displayed, the brake dealer. This message displays when boost assist motor might be heard See “Integrated Trailer Brake attempting to activate Adaptive operating and you might notice Control System” under Towing Cruise Control (ACC) when it is pulsation in the brake pedal. This is Equipment on page 9-82 for more temporarily unavailable. The ACC normal under these conditions. Take information. system does not need service. the vehicle to your dealer for service. This can occur under the following Compass Messages conditions: SERVICE TRAILER BRAKE Dashes may be displayed if the . Cruise is turned on when the SYSTEM vehicle temporarily loses vehicle is stopped. communication with the Global On vehicles with the Integrated . The radar cannot see objects Positioning System (GPS). Trailer Brake Control (ITBC) system, well. See the next message. this message displays and a chime may sound when there is a problem with the ITBC system. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (33,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-33

FRONT RADAR BLOCKED – SERVICE ADAPTIVE CRUISE obstructions, and close the door SEE OWNERS MANUAL CONTROL again. Check to see if the message still appears on the DIC. This message can display when: If this message displays, take the vehicle to your dealer to repair the . The radar is not clean. Keep the HOOD OPEN system. Adaptive Cruise Control radar sensors free of mud, dirt, This message displays and a chime (ACC), Forward Collision Alert snow, ice, and slush. Clean the may sound if the hood is not fully (FCA), and/or the Active Emergency entire front and/or rear of the closed. Stop and turn off the Braking System may not work. Do vehicle. For cleaning vehicle, check the hood for not use these systems until the instructions, see Exterior Care obstructions, and close the hood vehicle has been repaired. on page 10-86. again. Check to see if the message . Heavy rain or snow is interfering SHIFT TO PARK BEFORE still appears on the DIC. with the radar object detection or EXITING REAR ACCESS OPEN camera performance. This message may display if This message will display when the CRUISE SET TO XXX Adaptive Cruise Control (ACC) is liftgate is open. Close the liftgate engaged holding the vehicle at a completely. This message displays when the stop, and the driver attempts to exit cruise control speed is set. See the vehicle. Put the vehicle in Cruise Control on page 9-47. P (Park) before exiting. Engine Cooling System Messages NO CRUISE BRAKING GAS PEDAL APPLIED Door Ajar Messages A/C OFF DUE TO HIGH This message displays when DOOR OPEN ENGINE TEMP Adaptive Cruise Control (ACC) is This message displays and a chime This message displays when the active and the driver is pressing the may sound if a door is not fully engine coolant becomes hotter than gas pedal. When this occurs, ACC closed. Stop and turn off the the normal operating temperature. will not brake. See Adaptive Cruise vehicle, check the door for See Engine Coolant Temperature Control on page 9-50. Gauge on page 5-16. To avoid GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (34,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-34 Instruments and Controls

added strain on a hot engine, the air ENGINE OVERHEATED STOP ENGINE OIL LOW ADD OIL conditioning compressor ENGINE On some vehicles, this message automatically turns off. When the displays when the engine oil level coolant temperature returns to This message displays and a chime may be too low. Check the oil level normal, the air conditioning may sound if the engine cooling before filling to the recommended compressor turns back on. You can system reaches unsafe level. If the oil is not low and this continue to drive your vehicle. temperatures for operation. Stop and turn off the vehicle as soon as it message remains on, take the If this message continues to appear, is safe to do so to avoid severe vehicle to your dealer for service. have the system repaired by your damage. This message clears when See Engine Oil on page 10-6. dealer as soon as possible to avoid the engine has cooled to a safe damage to the engine. operating temperature. ENGINE OIL HOT IDLE ENGINE ENGINE OVERHEATED IDLE ENGINE Engine Oil Messages This message displays when the engine oil becomes hotter than the This message displays when the CHANGE ENGINE OIL SOON normal operating temperature. Stop engine coolant temperature is too This message displays when the and allow the vehicle to idle until it hot. Stop and allow the vehicle to engine oil needs to be changed. cools down. See Engine Coolant idle until it cools down. See Engine When you change the engine oil, be Temperature Gauge on page 5-16. Coolant Temperature Gauge on sure to reset the CHANGE ENGINE OIL PRESSURE LOW STOP page 5-16. OIL SOON message. See Engine ENGINE When towing, use Tow/Haul Mode Oil Life System on page 10-9 for to prevent damage to the engine or information on how to reset the This message displays if low oil transmission. See Tow/Haul Mode message. See Engine Oil on pressure levels occur. Stop the on page 9-36. page 10-6 and Maintenance vehicle as soon as safely possible Schedule on page 11-2. and do not operate it until the cause of the low oil pressure has been corrected. Check the oil as soon as GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (35,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-35

possible and have the vehicle this message stays on, the vehicle atmosphere. A few driving trips with serviced by your dealer. See Engine should be taken to your dealer for the cap properly installed should Oil on page 10-6. service as soon as possible. turn this light and message off. Engine Power Messages Fuel System Messages Key and Lock Messages ENGINE POWER IS REDUCED FUEL LEVEL LOW NO REMOTE DETECTED This message displays and a chime This message displays and a chime This message displays when the may sound when the cooling system may sound if the fuel level is low. transmitter battery may be weak. temperature gets too hot and the Refuel as soon as possible. See See “Starting the Vehicle with a Low engine further enters the engine Fuel Gauge on page 5-14 and Fuel Transmitter Battery” under Remote coolant protection mode. See on page 9-69. Keyless Entry (RKE) System Engine Overheating on page 10-18 Operation (Key) on page 2-5 or for more information. TIGHTEN GAS CAP Remote Keyless Entry (RKE) This message also displays when This message may display along System Operation (Keyless) on the vehicle's engine power is with the malfunction indicator lamp page 2-8. reduced. Reduced engine power on the instrument cluster if the vehicle's fuel cap is not tightened NO REMOTE KEY WAS can affect the vehicle's ability to DETECTED PLACE KEY IN accelerate. If this message is on, properly. See Malfunction Indicator Lamp on page 5-20. Reinstall the TRANSMITTER POCKET THEN but there is no reduction in START YOUR VEHICLE performance, proceed to your fuel cap fully. See Filling the Tank destination. The performance may on page 9-72. The diagnostic This message displays when trying be reduced the next time the vehicle system can determine if the fuel cap to start the vehicle if an RKE is driven. The vehicle may be driven has been left off or improperly transmitter is not detected. The at a reduced speed while this installed. A loose or missing fuel transmitter battery may be weak. message is on, but acceleration and cap allows fuel to evaporate into the speed may be reduced. Anytime GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (36,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-36 Instruments and Controls

See “Starting the Vehicle with a Low REPLACE BATTERY IN AUTOMATIC COLLISION PREP Transmitter Battery” under Remote REMOTE KEY REDUCED Keyless Entry (RKE) System Operation (Key) on page 2-5 or This message displays when the This message displays when the Remote Keyless Entry (RKE) battery in the RKE transmitter needs Active Emergency Braking System System Operation (Keyless) on to be replaced. has been set to the Alert setting. page 2-8. This setting disables most automatic Lamp Messages braking functions of the Auto NO REMOTE DETECTED Collision Preparation feature. Some PRESS BRAKE TO RESTART TURN SIGNAL ON last-second automatic braking capability is still provided with the This message displays when This message displays and a chime sounds if a turn signal is left on for Alert setting, but braking is less attempting to turn off the vehicle likely to occur. See Active and the RKE transmitter is no longer 1.2 km (0.75 mi). Move the turn signal lever to the off position. Emergency Braking System on detected. Restarting is allowed page 9-63. without the RKE transmitter for five minutes. Press the brake pedal Object Detection System AUTOMATIC COLLISION PREP to restart the vehicle. Messages UNAVAILABLE NUMBER OF KEYS AUTOMATIC COLLISION This message displays when the PROGRAMMED PREP OFF Active Emergency Braking System has been unavailable for some time. This message displays when This message displays when the The Active Emergency Braking programming new keys to the Active Emergency Braking System System does not need service. vehicle. has been turned off. See Active This can occur under the following REMOTE LEFT IN VEHICLE Emergency Braking System on page 9-63. conditions: This message displays when . The radar is not clean. Keep the leaving the vehicle with the RKE radar sensors free of mud, dirt, transmitter still inside. snow, ice, and slush. Clean the GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (37,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-37

entire front and/or rear of the Collision Alert (FCA), and the Active SERVICE AUTOMATIC vehicle. For cleaning Emergency Braking System may not COLLISION PREP instructions, see Exterior Care work or may not work as well. on page 10-86. If this message displays, take the LANE DEPARTURE WARNING vehicle to your dealer to repair the . Heavy rain or snow is interfering UNAVAILABLE system. with the radar object detection or camera performance. This message displays when Adaptive Cruise Control (ACC), attempting to activate the Lane Forward Collision Alert (FCA), and This message may also be Departure Warning (LDW) system Active Emergency Braking System displayed if there is a problem with when it is temporarily unavailable. may not work. Do not use these the StabiliTrak system. The LDW system does not need systems until the vehicle has been FORWARD COLLISION service. repaired. ALERT OFF This message could be due to the SERVICE FRONT CAMERA camera being blocked. Cleaning the This message displays when the If this message remains on after outside of the windshield behind the Forward Collision Alert has been continued driving, the vehicle needs rearview mirror may correct the turned off. service. Do not use the Lane issue. Departure Warning (LDW) and FRONT CAMERA BLOCKED PARK ASSIST OFF Forward Collision Alert (FCA) CLEAN WINDSHIELD features. Take the vehicle to your This message displays when the This message displays when the dealer. Parking Assist system has been camera is blocked. Cleaning the turned off or when there is a outside of the windshield behind the SERVICE PARK ASSIST temporary condition causing the rearview mirror may correct the This message displays if there is a system to be disabled. issue. The Lane Departure Warning problem with the Parking Assist system will not operate. Adaptive system. Do not use this system to Cruise Control (ACC), Forward help you park. See your dealer for service. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (38,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-38 Instruments and Controls

SIDE BLIND ZONE ALERT OFF activate during heavy rain or due to The vehicle is safe to drive; road spray. The vehicle does not however, you do not have the This message indicates that the need service. For cleaning, see benefit of StabiliTrak, so reduce driver has turned the Lane Change "Washing the Vehicle" under your speed and drive accordingly. Alert and Side Blind Zone Alert Exterior Care on page 10-86. (SBZA) systems off. SERVICE SUSPENSION SERVICE SIDE DETECTION Ride Control System SYSTEM SYSTEM Messages If the vehicle has the Magnetic Ride Control suspension system, this If this message remains on after SERVICE LEVELING SYSTEM message displays when the continued driving, the vehicle needs suspension system is not operating service. Lane Change Alert, Side If the vehicle has the Magnetic Ride properly. Have the vehicle serviced Blind Zone Alert (SBZA) and Rear Control™ suspension system or by your dealer. Cross Traffic Alert (RCTA) features Automatic Level Control, this will not work. Take the vehicle to message displays when the leveling SERVICE TRACTION your dealer. system is not operating properly. CONTROL Have the vehicle serviced by your SIDE DETECTION SYSTEM dealer. This message displays when there UNAVAILABLE is a problem with the Traction SERVICE STABILITRAK Control System (TCS). When this This message indicates that Lane message displays, the system will Change Alert, Side Blind Zone Alert If this message displays, it means not limit wheel spin. Adjust your (SBZA) and Rear Cross Traffic Alert there may be a problem with the driving accordingly. See your dealer (RCTA) are disabled either because StabiliTrak system. If you see this for service. See Traction Control/ the sensor is blocked and cannot message, try to reset the system. Electronic Stability Control on detect vehicles in the blind zone, Stop; turn off the engine for at least page 9-44. or the vehicle is passing through an 15 seconds; then start the engine open area, such as the desert, again. If this message still comes where there is insufficient data for on, it means there is a problem. You operation. This message may also should see your dealer for service. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (39,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-39

STABILITRAK INITIALIZING STABILITRAK OFF . If an engine or vehicle-related problem has been detected and This message may come on if the This message displays when the the vehicle needs service. See StabiliTrak system has not fully StabiliTrak system has been turned your dealer. initialized because of road off. Adjust your driving accordingly. conditions or the incorrect tire size. To limit wheel spin and realize the . If the transfer case is in When the StabiliTrak system is fully full benefits of the stability Four-Wheel Drive Low. initialized, the message will turn off. enhancement system, you should The message turns off as soon as See Traction Control/Electronic normally leave StabiliTrak on. See the conditions that caused the Stability Control on page 9-44. If this Traction Control/Electronic Stability message to be displayed are no message continues to be displayed Control on page 9-44. longer present. for multiple ignition cycles and on STABILITRAK OFF may also different road surfaces, see your display when the stability control Airbag System Messages dealer for service. has been automatically disabled. SERVICE AIRBAG TRACTION CONTROL OFF Several conditions can cause this message to appear: This message displays if there is a This message displays when the problem with the airbag system. traction control has been turned off. . If the system is overheating, which could occur if StabiliTrak Take the vehicle to your dealer for See Traction Control/Electronic service. Stability Control on page 9-44. activates continuously for an extended period of time. TRACTION CONTROL ON Security Messages . If the brake system warning light This message displays when the is on. See Brake System SERVICE THEFT DETERRENT traction control is active. See Warning Light on page 5-22. SYSTEM Traction Control/Electronic Stability . If the stability system takes Control on page 9-44. This message displays when there longer than usual to complete its is a problem with the theft-deterrent diagnostic checks due to driving system. The vehicle may or may not conditions. restart, so you may want to take the GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (40,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-40 Instruments and Controls

vehicle to your dealer before turning SERVICE POWER STEERING TIRE LEARNING ACTIVE off the engine. See Immobilizer This message displays when there If equipped with the Tire Pressure Operation (Keyless Access) on is a problem with electric power Monitor System (TPMS), this page 2-27 or Immobilizer Operation steering. Take the vehicle to your message displays when the system (Key Access) on page 2-26. dealer for service. See Steering on is relearning the tire positions on page 9-4. your vehicle. The tire positions must Steering System be relearned after rotating the tires Messages Tire Messages or after replacing a tire or sensor. See Tire Inspection on page 10-58, STEERING ASSIST IS SERVICE TIRE MONITOR Tire Rotation on page 10-58, Tire REDUCED DRIVE WITH CARE SYSTEM Pressure Monitor System on This message may display if a If equipped with the Tire Pressure page 10-53, and Tire Pressure on problem occurs with the electric Monitor System (TPMS), this page 10-51. power steering system. If this message displays if a part on the TIRE PRESSURE LOW ADD message appears, steering effort system is not working properly. The AIR TO TIRE may be slightly higher than normal. tire pressure light also flashes and The vehicle is still safe to drive. Use then remains on during the same If equipped with the Tire Pressure caution while in reduced assist ignition cycle. See Tire Pressure Monitor System (TPMS), this mode. If this message is persistent Light on page 5-25. Several message displays when the or appears repeatedly, take the conditions may cause this message pressure in one or more of the vehicle to your dealer for service. to appear. See Tire Pressure vehicle's tires is low. This message See Steering on page 9-4. Monitor Operation on page 10-54. also displays with a vehicle picture If the warning comes on and stays to indicate the location of the low on, there may be a problem with the tire. The low tire pressure warning TPMS. See your dealer. light will also come on. See Tire Pressure Light on page 5-25. You can receive more than one tire pressure message at a time. If a tire GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (41,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-41

pressure message appears on the 4WD SHIFT IN PROGRESS See Tow/Haul Mode on page 9-36, DIC, stop as soon as you can. Have Automatic Transmission on This message will display while the the tire pressures checked and set page 9-31, and Cruise Control on four-wheel-drive system is shifting. to those shown on the Tire and page 9-47. Loading Information label. See Tires FOR 4WD LOW SHIFT TO GRADE BRAKING OFF on page 10-44, Vehicle Load Limits NEUTRAL on page 9-14, and Tire Pressure on This message displays when grade page 10-51. The DIC also shows If a four-wheel drive shift into 4 n is braking has been disabled with the the tire pressure values. See Driver requested, and the vehicle speed is Tow/Haul Mode button on the end of Information Center (DIC) on correct, but the transmission is not the shift lever. See Tow/Haul Mode page 5-28. in N (Neutral), this message will on page 9-36, Automatic display until the transmission is Transmission on page 9-31, and Transmission Messages shifted to N (Neutral). Cruise Control on page 9-47. 4WD OFF FOR 4WD LOW SLOW TO XXX GRADE BRAKING ON If equipped with four-wheel drive, If a four-wheel drive shift into 4 n is This message displays when grade this message displays when the requested, but the vehicle speed is braking has been enabled with the four-wheel-drive system is too high, this message will display Tow/Haul Mode button on the end of temporarily disabled due to an until the correct vehicle speed is the shift lever. See Tow/Haul Mode overheated condition. The vehicle reached. on page 9-36, Automatic will run in two-wheel drive when this Transmission on page 9-31, and message is present. Once the GRADE BRAKING ACTIVE Cruise Control on page 9-47. four-wheel-drive system cools down, This message displays when grade SERVICE 4WD the message turns off and the braking has been activated while four-wheel-drive system returns to driving on downhill grades. This If the vehicle has four-wheel drive, normal operation. message will only appear the first this message may display if a time the feature is activated in an problem occurs with the ignition cycle. four-wheel-drive system. If this GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (42,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-42 Instruments and Controls

message appears, stop as soon as TO EXIT 4WD LOW SLOW VEHICLE IN 4WD LOW possible and turn off the vehicle. TO XXX This message will display if the Make sure the key is in the LOCK/ OFF position for at least If a four-wheel drive shift out of 4 n is vehicle is driven in 4 n for about one minute, then restart the vehicle requested, but the vehicle speed is 10 minutes above 72 km/h (45 mph). and check for the message on the too high, this message will display DIC display. If the message is still until the correct vehicle speed is Vehicle Reminder displayed or appears again when reached. Messages you begin driving, the four-wheel-drive system needs TRANSMISSION HOT IDLE CHECK TRAILER WIRING service. See your dealer. ENGINE On vehicles with the Integrated SHIFT DENIED This message displays and a chime Trailer Brake Control (ITBC) system, may sound if the transmission fluid this message may display and a This message displays when the in the vehicle gets hot. Driving with chime may sound when one of the shift lever is in M (Manual Mode) the transmission fluid temperature following conditions exists: and a transmission range has been high can cause damage to the selected that is unavailable at the vehicle. Stop the vehicle and let it . A trailer with electric brakes current vehicle speed. idle to allow the transmission to becomes disconnected from the cool. This message clears and the vehicle. TO EXIT 4WD LOW SHIFT TO chime stops when the fluid NEUTRAL ‐ If the disconnect occurs while temperature reaches a safe level. the vehicle is stopped, this If a four-wheel drive shift out of 4 n is When towing, use Tow/Haul Mode message clears itself after a requested, and the vehicle speed is to prevent damage to the engine or short time. correct, but the transmission is not transmission. See Tow/Haul Mode ‐ If the disconnect occurs while in N (Neutral), this message will on page 9-36. the vehicle is moving, this display until the transmission is message stays on until the shifted to N (Neutral). ignition is turned off. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (43,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-43

. There is a short in the wiring to TRAILER CONNECTED Washer Fluid Messages the electric trailer brakes. On vehicles with the Integrated When this message displays, power WASHER FLUID LOW ADD Trailer Brake Control (ITBC) system, FLUID is no longer available to the trailer this message displays briefly when brakes. a trailer with electric or electric over This message displays when the As soon as it is safe to do so, hydraulic brakes is first connected windshield washer fluid is low. Fill carefully pull the vehicle over to the to the vehicle. the windshield washer fluid reservoir as soon as possible. See Engine side of the road and turn the ignition This message clears itself after Compartment Overview on off. Check the wiring connection to several seconds. This message also page 10-5 for the location of the the trailer and turn the ignition back clears if you acknowledge it. After windshield washer fluid reservoir. on. This message clears if the trailer this message clears, the TRAILER Also, see Washer Fluid on is reconnected. This message also GAIN and OUTPUT displays appear page 10-20 for more information. clears if you acknowledge it. If this in the DIC. message still displays, either the vehicle or the trailer needs service. See Driver Information Center (DIC) See your dealer. on page 5-28 and “Integrated Trailer Brake Control System” under See “Integrated Trailer Brake Towing Equipment on page 9-82. Control System” under Towing Equipment on page 9-82. ICE POSSIBLE DRIVE WITH CARE This message displays when ice conditions are possible. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (44,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-44 Instruments and Controls

Vehicle Personalization Menus Language (Language) Personalization The following list of menu items may Select Language, then select from be available: the available language(s). Use the audio system controls to . Time and Date The selected language will display access the personalization menus on the system, and voice for customizing vehicle features. . Language (Language) recognition (if equipped) will reflect The following are all possible . Valet Mode the selected language. personalization features. Depending . Teen Driver on the vehicle, some may not be Valet Mode (If Equipped) . Radio available. This will lock the infotainment . Vehicle Radio Audio System Controls system and steering wheel controls. . Bluetooth It may also limit top speed, power, 1. Press the desired feature to and access to vehicle storage display a list of available . Voice locations (if equipped). options. . Display To enable valet mode: 2. Press to select the desired . Rear Camera feature setting. 1. Enter a four-digit code on the . Return to Factory Settings keypad. 3. Press o BACK on the faceplate . Software Information 2. Press Enter to go to the or the 0 screen button to return confirmation screen. to the previous menu or exit. Detailed information for each menu follows. 3. Re-enter the four-digit code. Turn the vehicle to ON/RUN to Time and Date Press LOCK or UNLOCK to lock or access the Settings menu, then unlock the system. Press Back to go select SETTINGS from the Home Manually set the time and date. See back to the previous menu. Page on the infotainment system Clock on page 5-6. display. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (45,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-45

Teen Driver (If Equipped) Select Off or On. Key Registration Press and the following may Teen Driver Speed Limiter This allows the key to be registered. display: See “Register or Unregister a Key” If equipped, this allows the in “Teen Driver” in the infotainment . View Report Card maximum speed limit of the vehicle manual. . Manage Settings to be set. Radio . Change PIN Select Off or On. Press to display the Radio menu Teen Driver Speed Warning . Key Registration and the following may display: This allows a warning to be set View Report Card . when a certain speed is exceeded. Manage Favorites This allows the driver’s driving . Number of Favorites Shown Select Off or On. habits to be viewed. See “Teen . Audible Touch Feedback Driver” in “Settings” in the Clear All Teen Keys/PIN infotainment manual. . Bose AudioPilot This allows all Teen Driver keys and Manage Settings the PIN to be cleared. . Auto Volume Press and the following may Select Continue or Cancel. . Maximum Startup Volume display: Change PIN . Audio Cue Volume . Audio Volume Limit This allows the Personal Manage Favorites . Teen Driver Speed Limiter Identification Number (PIN) to be This allows favorites to be edited. . Teen Driver Speed Warning changed. See “Teen Driver” in See “Manage Favorites” in “Settings” in the infotainment Settings under Radio in the . Clear All Teen Keys/PIN “ ” “ ” manual. infotainment manual. Audio Volume Limit This allows a maximum radio volume to be set. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (46,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-46 Instruments and Controls

Number of Favorites Shown Maximum Startup Volume Climate and Air Quality Press to set the number of favorites This feature sets the maximum Select the Climate and Air Quality to display. startup volume. If the vehicle is menu and the following may display: started and the volume is greater Select the desired number or select . Auto Fan Max Speed Auto and the infotainment system than this level, the volume is . Auto Compartment Zone Temp will automatically adjust the number adjusted to this level. To set the of favorites shown. maximum startup volume, press + . Auto Defog or − to increase or decrease. Audible Touch Feedback . Auto Rear Defog Audio Cue Volume This allows Audible Touch Auto Fan Max Speed Feedback to be turned on or off. This feature sets the volume of audio files played at system startup This feature will set the maximum Select Off or On. and shutdown. auto fan speed. Bose AudioPilot Select On, then press + or − to Select Low, Medium, or High. This allows Bose AudioPilot to be increase or decrease the volume. Auto Compartment Zone Temp turned on or off. Vehicle This feature allows for selection of Select Off or On. Select and the following may the compartment zone temperature display: setting when the vehicle is Auto Volume restarted. . Climate and Air Quality This feature adjusts the volume Select Single Zone, Dual Zone, based on vehicle speed and . Collision/Detection Systems or Last Setting. ambient noise. . Comfort and Convenience Auto Defog Select Off, Low, Medium-Low, . Medium, Medium-High, or High. Lighting When set to on, the front defog will . Power Door Locks automatically come on when the vehicle is started. . Remote Lock, Unlock, Start GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (47,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-47

Select Off or On. Select Beeps or Safety Alert Seat. Park Assist Auto Rear Defog Auto Collision Preparation This allows the feature to be turned on or off. See Assistance Systems If equipped, this feature will This feature will turn on or off the for Parking or Backing on automatically turn on the rear Forward Collision Alert feature as page 9-58. window defogger when it is cold well as the automatic braking outside. capability of the Auto Collision Select Off, On, or On with Towbar Attached. Select Off or On. Preparation feature. With the Alert and Brake setting, both Forward Side Blind Zone Alert Collision/Detection Systems Collision Alert as well as the automatic braking capability of the This allows the feature to be turned Select the Collision/Detection Auto Collision Preparation feature on or off. See Side Blind Zone Alert Systems menu and the following are available. The Alert setting (SBZA) on page 9-65. may display: disables most automatic braking Select Off or On. . Alert Type functions of the Auto Collision Rear Cross Traffic Alert . Auto Collision Preparation Preparation feature. Some last-second automatic braking This allows the feature to be turned . Park Assist capability is still provided with the on or off. See Assistance Systems . Side Blind Zone Alert Alert setting, but it is much less for Parking or Backing on likely to be triggered by most driving page 9-58. . Rear Cross Traffic Alert conditions. Off disables all Forward Select Off or On. Alert Type Collision Alert and automatic braking capabilities of the Auto Comfort and Convenience This feature will set crash alerts to Collision Preparation feature. beeps or seat vibrations. This Select the Comfort and setting affects all crash alerts Select Off, Alert and Brake, or Alert. Convenience menu and the including Forward Collision Alert, See ”Auto Collision Preparation” in following may display: Lane Departure Warning, and Park Object Detection System Messages . Assist alerts. on page 5-36. Auto Memory Recall GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (48,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-48 Instruments and Controls

. Easy Exit Options Reverse Tilt Mirror Lighting . Chime Volume When on and the front wiper is on, Select the Lighting menu and the . Reverse Tilt Mirror the driver and/or passenger mirrors following may display: will tilt downward when the vehicle . . Vehicle Locator Lights Auto Mirror Folding is shifted to R (Reverse) to improve . Auto Wipe in Reverse Gear visibility of the ground near the rear . Exit Lighting wheels. Auto Memory Recall Vehicle Locator Lights Select Off, On - Driver and This feature will flash the exterior This allows the feature to be turned Passenger, On - Driver, or On - on or off. See Memory Seats on Passenger. lamps when K on the Remote page 3-5. Keyless Entry (RKE) transmitter is Auto Mirror Folding Select On or Off. pressed to locate the vehicle. When on, the outside rearview Select On or Off. Easy Exit Options mirrors will automatically fold or This allows the feature to be turned unfold when the Remote Keyless Exit Lighting on or off. See Memory Seats on Entry (RKE) transmitter Q or K This allows the selection of how page 3-5. button is pressed and held. long the exterior lamps stay on when leaving the vehicle when it is Select On or Off. Select Off or On. dark outside. Chime Volume Auto Wipe in Reverse Gear Select Off, 30 Seconds, 60 This allows the selection of the When on, the rear wiper will Seconds, or 120 Seconds. chime volume level. automatically activate when the Power Door Locks Press + or − to adjust the volume. vehicle is shifted to R (Reverse). Select Off or On. Select Power Door Locks and the following may display: . Unlocked Door Anti-Lockout GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (49,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-49

. Auto Door Unlock Remote Lock, Unlock, Start Remote Door Unlock . Delayed Door Lock Select Remote Lock, Unlock, Start This allows selection of which doors Unlocked Door Anti-Lockout and the following may display: will unlock when pressing K on the . RKE transmitter. When on, this feature will keep the Remote Unlock Light Feedback driver door from locking when the . Remote Lock Feedback Select All Doors or Driver Door. door is open and the key is in the . Remote Start Auto Cool Seats ignition. If Off is selected, the Remote Door Unlock Delayed Door Lock menu will be . Remote Start Auto Cool Seats If equipped and turned on, this available. feature will turn the cooled seats on . Remote Start Auto Heat Seats when using remote start on Select On or Off. . Passive Door Unlock warm days. Auto Door Unlock . Passive Door Lock Select Off or On. This allows selection of which of the . Remote Left in Vehicle Alert Remote Start Auto Heat Seats doors will automatically unlock when the vehicle is shifted into P (Park). Remote Unlock Light Feedback If equipped and turned on, this feature will turn the heated seats on Select Off, All Doors, or Driver Door. When on, the exterior lamps will flash when unlocking the vehicle when using remote start on Delayed Door Lock with the RKE transmitter. cold days. When on, this feature will delay the Select Off or Flash Lights. Select Off or On. locking of the doors. To override the Passive Door Unlock delay, press the power door lock Remote Lock Feedback switch on the door. This allows selection of what type of This allows the selection of what doors will unlock when using the Select On or Off. feedback is given when locking the vehicle with the RKE transmitter. button on the driver door to unlock the vehicle. Select Off, Lights and Horn, Lights Only, or Horn Only. Select All Doors or Driver Door. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (50,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-50 Instruments and Controls

Passive Door Lock Pair New Device Voice This allows passive locking to be Select to pair a new device. See Select and the following may turned on or off and selects “Pairing” in “Infotainment Controls” display: feedback. See Remote Keyless under “Bluetooth” in the infotainment . Prompt Length Entry (RKE) System Operation manual. (Key) on page 2-5 or Remote . Audio Feedback Speed Keyless Entry (RKE) System Device Management Prompt Length Operation (Keyless) on page 2-8. Select to connect to a different This feature adjusts the voice Select Off, On with Horn phone source, disconnect a phone, prompt length. Chirp, or On. or delete a phone. Select Short or Long. Remote Left in Vehicle Alert Ringtones Audio Feedback Speed This feature sounds an alert when Press to change the ring tone for the RKE transmitter is left in the the specific phone. The phone does This feature adjusts the audio vehicle. not need to be connected to change feedback speed. the ring tone. Select Off or On. Select Slow, Medium, or Fast. Voice Mail Numbers Bluetooth Display This feature displays the voice mail Select and the following may number for all connected phones. Select and the following may display: To change the voice mail number, display: . Pair New Device select EDIT or press the EDIT . Mode button. Type a new number, then . Device Management select SAVE or press the SAVE . Calibrate Touchscreen . Ringtones button. . Turn Display Off . Voice Mail Numbers GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (51,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-51

Mode Rear Cross Traffic Alert Restore Radio Settings Select to change the display of the Select to turn Off or On. This allows selection to restore infotainment system. radio settings. Rear Park Assist Symbols Select Auto, Day, or Night. Select Restore or Cancel. Select to turn Off or On. See Calibrate Touchscreen Assistance Systems for Parking or Software Information Backing on page 9-58. Select to calibrate the touchscreen, Select to view the infotainment then follow the prompts. Return to Factory Settings system current software information. Turn Display Off Select and the following may Select to turn the display off. Press display: anywhere on the display area or any . Restore Vehicle Settings faceplate button to turn the . Clear All Private Data display on. . Restore Radio Settings Rear Camera Restore Vehicle Settings Select and the following may display: This allows selection of restoring vehicle settings. . Guidance Lines Select Restore or Cancel. . Rear Cross Traffic Alert Clear All Private Data . Rear Park Assist Symbols This allows selection to clear all Guidance Lines private information from the vehicle. Select to turn Off or On. See Select Delete or Cancel. Assistance Systems for Parking or Backing on page 9-58. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (52,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-52 Instruments and Controls

Universal Remote Do not use the Universal Remote Make sure the hand-held transmitter system with any garage door opener has a new battery for quick and System that does not have the stop and accurate transmission of the reverse feature. This includes any radio-frequency signal. See Radio Frequency Statement on garage door opener model page 13-12. manufactured before April 1, 1982. Programming the Universal Remote System Universal Remote System Read the instructions completely before programming the Universal For questions or help programming Programming Remote system. It may help to have the Universal Remote system, call another person assist with the 1-800-355-3515 or see programming process. www.homelink.com. Keep the original hand-held Programming involves transmitter for use in other vehicles time-sensitive actions, and may time as well as for future programming. out causing the procedure to be Erase the programming when repeated. vehicle ownership is terminated. To program up to three devices: If equipped, these buttons are in the See “Erasing Universal Remote 1. Hold the end of the hand-held overhead console. System Buttons” later in this section. transmitter about 3 to 8 cm (1 to This system can replace up to three 3 in) away from the Universal remote control transmitters used to To program a garage door opener, Remote system buttons with the activate devices such as garage park outside directly in line with and indicator light in view. The door openers, security systems, and facing the garage door opener hand-held transmitter was home automation devices. These receiver. Clear all people and supplied by the manufacturer of instructions refer to a garage door objects near the garage door. the garage door opener receiver. opener, but can be used for other devices. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (53,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-53

2. At the same time, press and programming is complete. hold both the hand-held There is no need to transmitter button and one of the complete Steps 4–6. three Universal Remote system . If the indicator light does buttons to be used to operate not come on or the garage the garage door. Do not release door does not move, a either button until the indicator second button press may light goes from a slow to a rapid be required. For a second flashing light. Then release both time, press and hold the Learn or Smart Button buttons. newly programmed button Some garage door openers may for five seconds. If the light 4. After completing Steps 1–3, require substitution of Step 2 stays on or the garage door locate the Learn or Smart button with the procedure under “Radio moves, programming is inside the garage on the garage Signals for Canada and Some complete. door opener receiver. The name Gate Operators later in this and color of the button may vary ” . If the indicator light blinks by manufacturer. section. rapidly for two seconds, 3. Press and hold the newly then changes to a solid light 5. Press and release the Learn or programmed Universal Remote and the garage door does Smart button. Step 6 must be system button for five seconds not move, continue with completed within 30 seconds of while watching the indicator light programming Steps 4–6. pressing this button. and garage door activation. 6. Inside the vehicle, press and . If the indicator light stays on hold the newly programmed continuously or the garage Universal Remote system button door moves when the for two seconds and then button is pressed, then release it. If the garage door does not move or the lamp on the garage door opener receiver GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (54,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-54 Instruments and Controls

does not flash, press and hold enough for the Universal Remote Universal Remote System the same button a second time system to pick up the signal during for two seconds, then release it. programming. Operation Again, if the door does not move If the programming did not work, Using the Universal Remote or the garage door lamp does replace Step 2 under “Programming System not flash, press and hold the the Universal Remote System” with Press and hold the appropriate same button a third time for the following: two seconds, then release it. Universal Remote system button for Press and hold the Universal at least one-half second. The The Universal Remote system Remote system button while indicator light will come on while the should now activate the pressing and releasing the signal is being transmitted. garage door. hand-held transmitter button every Repeat the process for two seconds until the signal has Erasing Universal Remote programming the two remaining been successfully accepted by the System Buttons buttons. Universal Remote system. The Erase all programmed buttons when Universal Remote system indicator vehicle ownership is terminated. Radio Signals for Canada and light will flash slowly at first and then Some Gate Operators rapidly. Proceed with Step 3 under To erase: For questions or programming help, “Programming the Universal Remote 1. Press and hold the two outside call 1-800-355-3515 or see System” to complete. buttons until the indicator light www.homelink.com. begins to flash. This should take about 10 seconds. Canadian radio-frequency laws and some U.S. gate operators require 2. Release both buttons. transmitter signals to time out or quit after several seconds of transmission. This may not be long GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (55,1) Mexico-8431503) - 2015 - crc - 8/11/14

Instruments and Controls 5-55

Reprogramming a Single Universal Remote System Button To reprogram any of the system buttons: 1. Press and hold any one of the buttons. Do not release the button. 2. The indicator light will begin to flash after 20 seconds. Without releasing the button, proceed with Step 1 under “Programming the Universal Remote System.” GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (56,1) Mexico-8431503) - 2015 - crc - 8/11/14

5-56 Instruments and Controls

2 NOTES GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (1,1) Mexico-8431503) - 2015 - crc - 8/11/14

Lighting 6-1

Lighting Features Exterior Lighting Lighting Entry Lighting ...... 6-7 Exit Lighting ...... 6-7 Exterior Lamp Controls Exterior Lighting Battery Load Management . . . . 6-8 Battery Power Protection ...... 6-8 Exterior Lamp Controls ...... 6-1 Exterior Lamps Off Reminder ...... 6-2 Headlamp High/Low-Beam Changer ...... 6-2 Flash-to-Pass ...... 6-2 Daytime Running Lamps (DRL) ...... 6-3 Automatic Headlamp System ...... 6-3 Hazard Warning Flashers . . . . . 6-4 Turn and Lane-Change Signals ...... 6-4 Fog Lamps ...... 6-5 The exterior lamp control is on the instrument panel to the left of the Interior Lighting steering wheel. Instrument Panel Illumination Control ...... 6-6 There are four positions: Dome Lamps ...... 6-6 O (Off): Turns off the automatic Reading Lamps ...... 6-6 headlamps and Daytime Running Lamps (DRL). Turn the headlamp control to the off position again to turn the automatic headlamps or DRL back on. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (2,1) Mexico-8431503) - 2015 - crc - 8/11/14

6-2 Lighting

For vehicles first sold in Canada, 10 minutes after the ignition is Headlamp High/ the off position will only work when turned off. When the headlamps are the vehicle is shifted into P (Park). turned on while the vehicle is off, Low-Beam Changer $ AUTO (Automatic): Automatically the headlamps will stay on for (Headlamp High/Low-Beam turns on the headlamps, parking 10 minutes before turning off to Changer): Push the turn signal lamps, taillamps, instrument panel prevent the battery from being lever toward the instrument panel to lights, roof marker lamps (if drained. Turn the headlamp control change the headlamps from low to equipped), and license plate lamps. off and then back to the headlamp high beam. on position to make the headlamps Pull the turn signal lever toward you When the vehicle is turned off and stay on for an additional 10 minutes. the headlamps are in AUTO, the and release it to return to low-beam headlamps turn off. When the key is To keep the lamps on for more than headlamps. removed, the headlamps 10 minutes, the ignition must be in automatically come on for a set the ACC/ACCESSORY or ON/RUN time. The time of the delay can be position. changed using the DIC. See Driver Information Center (DIC) on Exterior Lamps Off page 5-28. Reminder ; (Parking Lamps): Turns on the A reminder chime sounds when the When the high-beam headlamps are parking lamps including all lamps, headlamps or parking lamps are except the headlamps. on, this indicator light on the manually turned on, the ignition is instrument cluster will also be on. 2 (Headlamps): Turns on the off, and a door is open. To disable headlamps with the parking lamps the chime, turn the lamps off. Flash-to-Pass and instrument panel lights. This feature lets you use the When the headlamps are turned on high-beam headlamps to signal a while the vehicle is on, the driver in front of you that you want headlamps turn off automatically GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (3,1) Mexico-8431503) - 2015 - crc - 8/11/14

Lighting 6-3

to pass. It works even if the . The exterior lamp control is Automatic Headlamp in AUTO. headlamps are in the automatic System position. . The transmission is not in To use it, pull the turn signal lever P (Park). When the exterior lamp control is set to AUTO and it is dark enough toward you, then release it. . The light sensor determines it is outside, the headlamps come on If the headlamps are in the daytime. automatically. automatic position or on low beam, When the DRL system is on, only the high-beam headlamps will turn the DRL are on. The taillamps, on. They will stay on as long as you sidemarker lamps, instrument panel hold the lever toward you. The lights, and other lamps will not high-beam indicator on the be on. instrument cluster will come on. Release the lever to return to When it begins to get dark, the normal operation. automatic headlamp system switches from DRL to the Daytime Running headlamps. Lamps (DRL) To turn off the DRL, turn the exterior There is a light sensor on top of the lamp control to the off position and instrument panel. Do not cover the DRL can make it easier for others to then release. For vehicles first sold sensor, otherwise the headlamps see the front of the vehicle during in Canada, off will only work when will come on when they are not the day. Fully functional DRL are the vehicle is in P (Park). needed. required on all vehicles first sold in Canada. The system may also turn on the headlamps when driving through a The DRL system comes on when parking garage or tunnel. the following conditions are met: . The ignition is on. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (4,1) Mexico-8431503) - 2015 - crc - 8/11/14

6-4 Lighting

If the vehicle is started in a dark in AUTO, the headlamps, parking | (Hazard Warning Flashers): garage, the automatic headlamp lamps, and other exterior lamps Press this button to make the front system comes on immediately. If it come on. The transition time for the and rear turn signal lamps flash on is light outside when the vehicle lamps coming on varies based on and off. Press again to turn the leaves the garage, there is a slight wiper speed. When the wipers are flashers off. delay before the automatic not operating, these lamps turn off. When the hazard warning flashers headlamp system changes to the Move the exterior lamp control to O DRL. During that delay, the are on, the vehicle's turn signals will or ; to disable this feature. instrument cluster may not be as not work. bright as usual. Make sure the instrument panel brightness control Hazard Warning Flashers Turn and Lane-Change is in the full bright position. See Signals Instrument Panel Illumination Control on page 6-6. When it is bright enough outside, the headlamps will turn off or may change to Daytime Running Lamps (DRL). The automatic headlamp system turns off when the exterior lamp control is turned to O or the ignition is off. An arrow on the instrument cluster Lights On with Wipers flashes in the direction of the turn or lane change. If the windshield wipers are activated in daylight with the engine Move the turn signal lever all the on, and the exterior lamp control is way up or down to signal a turn. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (5,1) Mexico-8431503) - 2015 - crc - 8/11/14

Lighting 6-5

Raise or lower the lever for less Driver Information Center (DIC). To # (Fog Lamps): Press to turn the than one second until the arrow turn the chime and message off, fog lamps on or off. A light will come starts to flash to signal a lane move the turn signal lever to the off on in the instrument cluster. change. This causes the turn position. signals to automatically flash three When the fog lamps are turned on, times. It will flash six times if Tow/ Fog Lamps the parking lamps automatically Haul Mode is active. Holding the turn on. turn signal lever for more than When the headlamps are changed one second will cause the turn to high beam, the fog lamps also go signals to flash until the lever is off. When the high-beam headlamps released. are turned off, the fog lamps will The lever returns to its starting come on again. position whenever it is released. Some localities have laws that If after signaling a turn or a lane require the headlamps to be on with change the arrows flash rapidly or the fog lamps. do not come on, a signal bulb could be burned out. Replace any burned out bulbs. If a bulb is not burned out, check the fuse. See Fuses on page 10-33. If equipped with fog lamps, the button is on the exterior lamp Turn Signal On Chime control, to the left of the steering If the turn signal is left on for more column. than 1.2 km (0.75 mi), a chime The ignition must be in the ON/RUN sounds at each flash of the turn position for the fog lamps to signal. The message TURN come on. SIGNAL ON will also appear in the GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (6,1) Mexico-8431503) - 2015 - crc - 8/11/14

6-6 Lighting

Interior Lighting Dome Lamps Reading Lamps Instrument Panel Illumination Control

There are dome lamps in the There are reading lamps in the overhead console and the headliner, overhead console and the headliner, if equipped. if equipped. To operate, the ignition must be in the ACC/ACCESSORY This feature controls the brightness To change the dome lamp settings, press the following: or ON/RUN position, or using of the instrument panel lights and is Retained Accessory Power (RAP). next to the exterior lamp control. OFF: Turns the lamps off, even D (Instrument Panel when a door is open. Illumination): Move the DOOR: The lamps come on thumbwheel up or down to brighten automatically when a door is or dim the lights. opened. ON: Turns all dome lamps on. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (7,1) Mexico-8431503) - 2015 - crc - 8/11/14

Lighting 6-7

Lighting Features Exit Lighting The headlamps, taillamps, parking Entry Lighting lamps, back-up lamps, license plate The vehicle has an illuminated entry lamps, and interior lamps come on feature. when the key is removed from the ignition. The exterior lamps and When a door is opened, the dome interior lamps remain on after the lamps and puddle lamps come on if door is closed for a set amount of the dome lamp control is in the time, then automatically turn off. Press m or n next to each reading DOOR position. If the dome lamp lamp to turn it on or off. control is in the OFF position, the If equipped with Keyless Access, lamps do not come on. the exterior lamps automatically turn on when a door is opened after the The headlamps, parking lamps, ignition is turned off. The interior taillamps, and back-up lamps turn lights turn on when the engine is on briefly at night, or in areas with turned off. K limited lighting, when is pressed The exterior lamps turn off on the Remote Keyless Entry (RKE) immediately by turning the exterior transmitter. After about 30 seconds lamp control off. the exterior lamps turn off. Entry lighting can be disabled manually by This feature can be changed. See changing the ignition out of the OFF Vehicle Personalization on position, or by pressing the RKE page 5-44. transmitter Q button. This feature can be changed. See “Vehicle Locator Lights” under Vehicle Personalization on page 5-44. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (8,1) Mexico-8431503) - 2015 - crc - 8/11/14

6-8 Lighting

Battery Load enough at idle to produce all the that the driver reduce the electrical power that is needed for very high loads as much as possible. See Management electrical loads. Battery Voltage and Charging The vehicle has Electric Power A high electrical load occurs when Messages on page 5-31. Management (EPM), which several of the following are on, such estimates the battery's temperature as: headlamps, high beams, fog Battery Power Protection and state of charge. It then adjusts lamps, rear window defogger, This feature shuts off the dome and the voltage for best performance climate control fan at high speed, and extended life of the battery. reading lamps if they are left on for heated seats, engine cooling fans, more than 10 minutes when the When the battery's state of charge trailer loads, and loads plugged into ignition is off. This will keep the is low, the voltage is raised slightly accessory power outlets. battery from running down. to quickly bring the charge back up. EPM works to prevent excessive When the state of charge is high, discharge of the battery. It does this the voltage is lowered slightly to by balancing the generator's output prevent overcharging. The voltmeter and the vehicle's electrical needs. gauge or the voltage display on the It can increase engine idle speed to Driver Information Center (DIC), generate more power, whenever if equipped, may show the voltage needed. It can temporarily reduce moving up or down. This is normal. the power demands of some If there is a problem, an alert will be accessories. displayed. Normally, these actions occur in The battery can be discharged at steps or levels, without being idle if the electrical loads are very noticeable. In rare cases at the high. This is true for all vehicles. highest levels of corrective action, This is because the generator this action may be noticeable to the (alternator) may not be spinning fast driver. If so, a DIC message might be displayed and it is recommended GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (1,1) Mexico-8431503) - 2015 - crc - 8/11/14

Infotainment System 7-1

Infotainment Introduction System Infotainment See the infotainment manual for Introduction information on the radio, audio Infotainment ...... 7-1 players, phone, navigation system, and voice or speech recognition. It also includes information on settings. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (2,1) Mexico-8431503) - 2015 - crc - 8/11/14

7-2 Infotainment System

2 NOTES GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (1,1) Mexico-8431503) - 2015 - crc - 8/11/14

Climate Controls 8-1

Climate Controls Climate Control 2. A/C (Air Conditioning) Systems 3. Air Delivery Mode Controls 4. Fan Control Climate Control Systems Dual Automatic Climate Control Dual Automatic Climate 5. Defrost System ...... 8-1 Control System 6. Passenger Temperature Control Rear Climate Control With this system the heating, System ...... 8-5 7. AUTO (Automatic Operation) cooling, and ventilation in the 8. Air Recirculation Air Vents vehicle can be controlled. Some Air Vents ...... 8-6 climate control settings can be 9. Rear Climate Control Power changed. See “Climate and Air Button Maintenance Quality” under Vehicle 10. Rear AUTO (Automatic Passenger Compartment Air Personalization on page 5-44. Filter ...... 8-7 Operation) Service ...... 8-8 11. Front Climate Control Power Button 12. Rear Fan Control 13. Rear Air Delivery Mode Control 14. Rear Temperature Control 15. RCTRL (Rear Climate Control Lockout) 16. Rear Window Defogger 17. SYNC (Synchronized Temperature) 1. Driver Temperature Control GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (2,1) Mexico-8431503) - 2015 - crc - 8/11/14

8-2 Climate Controls

Front Climate Controls To improve fuel efficiency and to Press AUTO to return to automatic cool the vehicle faster, recirculation operation. Automatic Operation may be automatically selected in Driver and Passenger The system automatically controls warm weather. Temperature Control: The the fan speed, air delivery, air The recirculation light will not come temperature can be adjusted conditioning, and recirculation in on when automatically controlled. separately for the driver and order to heat or cool the vehicle to passenger. the desired temperature. Press @ to manually select recirculation; press it again to select Turn the knob clockwise or When the indicator light is on, the outside air. counterclockwise to increase or system is in full automatic operation. Do not cover the solar sensor on the decrease the driver or passenger If the air delivery mode or fan temperature setting. setting is manually adjusted, the top of the instrument panel near the auto indicator turns off and the windshield. This sensor regulates SYNC (Synchronized selected settings are displayed. air temperature based on sun load. Temperature): Press to link the See “Sensors” later in this section. passenger and rear climate To place the system in Manual Operation temperature settings to the driver automatic mode: setting. The SYNC indicator light will 1. Press AUTO. O (On/Off): Press to turn the turn on. When the passenger or rear climate control system on or off. climate settings are adjusted, the 2. Set the driver and passenger Outside air still enters the vehicle, SYNC indicator light turns off. temperature. and is directed to the floor. This Air Delivery Mode Control: Press To find your comfort setting, start direction can be changed by Y, \, [ , or to change the with 22°C (72°F) and allow the pressing the air delivery mode. - direction of the airflow. An indicator system time to stabilize. Then (Fan Control): Turn clockwise light comes on in the selected mode adjust the temperature as 9 or counterclockwise to increase or button. needed for best comfort. decrease the fan speed. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (3,1) Mexico-8431503) - 2015 - crc - 8/11/14

Climate Controls 8-3

Changing the mode cancels the and the air conditioning compressor inside the vehicle. When high automatic operation and the system will run, unless the outside humidity is detected, the climate goes into manual mode. Press temperature is close to freezing. control system may adjust to AUTO to return to automatic Do not drive the vehicle until all outside air supply and turn on the operation. windows are clear. air conditioner. If the climate control Y system does not detect possible (Vent): Air is directed to the See Air Vents on page 8-6. instrument panel outlets. window fogging, it returns to normal \ A/C (Air Conditioning): Press to operation. To turn Auto Defog off or (Bi-Level): Air is divided turn the air conditioning system on on, see “Climate and Air Quality” between the instrument panel and or off. An indicator light comes on to under Vehicle Personalization on floor outlets. show that the air conditioning is page 5-44. [ (Floor): Air is directed to the enabled. If the fan is turned off, the Rear Window Defogger floor outlets, with some to the air conditioner will not run. The A/C windshield, side window outlets, and light will stay on even if the outside The rear window defogger uses a second row floor outlets. temperatures are below freezing. warming grid to remove fog from the rear window. - (Defog): This mode clears the @ (Recirculation): Press to turn windows of fog or moisture. Air is on recirculation. An indicator light K (Rear Window Defogger): directed to the windshield, floor comes on. Air is recirculated to Press to turn the rear window outlets, and side window vents. quickly cool the inside of the defogger on or off. An indicator light vehicle. It can also be used to help on the button comes on to show that 0 (Defrost): Press to clear the the rear window defogger is on. windshield of fog or frost more reduce outside air and odors that quickly. Air is directed to the enter the vehicle. The air The rear window defogger only windshield and the side window conditioning compressor also comes works when the ignition is in ON/ vents. The system automatically on when this mode is activated. RUN. The defogger turns off if the forces outside air into the vehicle Auto Defog: The climate control ignition is turned to ACC/ system may have a sensor to ACCESSORY or LOCK/OFF. automatically detect high humidity GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (4,1) Mexico-8431503) - 2015 - crc - 8/11/14

8-4 Climate Controls

except rear temperature are Remote Start Climate Control { Caution manually adjusted, this cancels full Operation automatic operation. Using a razor blade or sharp If equipped with the remote start object to clear the inside rear Fan Control: Press up or down to feature, the climate control system window can damage the rear increase or decrease the rear will come on when the vehicle is window defogger. Repairs would passenger area fan speed. started remotely, depending on the not be covered by the vehicle Air Delivery Mode Control: Press outside temperature. The rear warranty. Do not clear the inside to change the direction of the rear window defogger and heated seats, if equipped, may also come on. See rear window with sharp objects. passenger airflow. Repeatedly press the switch until the desired mode Remote Vehicle Start on page 2-15 appears on the display. Multiple and Heated and Cooled Front Seats Heated Mirror: If equipped with presses will cycle through the on page 3-7. heated outside rearview mirrors, the delivery selections. mirrors heat to help clear fog or frost Sensors from the surface of the mirror when Temperature Control: Press up or the rear window defog button is down to increase or decrease the pressed. See Heated Mirrors on airflow temperature into the rear page 2-30. passenger area. Rear Climate Controls RCTRL (Rear Climate Control Lockout): Press to lock or unlock O (On/Off): Press to turn the rear control of the rear climate control climate control system on or off. system from the rear seat AUTO: Press AUTO to control the passengers. When locked, the rear climate control can only be adjusted rear passenger temperature, air The solar sensor monitors the solar from the front seat. delivery, and fan speed. AUTO heat. Do not cover the solar sensor appears in the display when or the system will not work properly. automatic operation is active. If any of the climate control settings GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (5,1) Mexico-8431503) - 2015 - crc - 8/11/14

Climate Controls 8-5

There is also an exterior Automatic Operation temperature sensor behind the front AUTO: Press AUTO to control the grille. This sensor reads the outside inside temperature, air delivery, and air temperature and helps maintain fan speed. A is indicated in the the temperature inside the vehicle. display when automatic operation is Any cover on the front of the active. If any of the climate control vehicle, including a snowplow, could settings are manually adjusted, this cause a false reading in the cancels full automatic operation. displayed temperature. The display only indicates climate The climate control system uses the control functions when the system is information from these sensors to in rear independent mode. maintain comfort settings by adjusting the outlet temperature, fan 1. Fan Control Manual Operation speed, and air delivery mode. The 2. AUTO (Automatic Operation) system may also supply cooler air to 9 (Fan Control): Turn clockwise the side of the vehicle facing the 3. MODE (Air Delivery Mode or counterclockwise to increase or sun. The recirculation mode will also Control) decrease the fan speed. Turn completely counterclockwise to turn be used as needed to maintain cool 4. TEMP (Temperature Control) outlet temperatures. the fan/power off. 5. Heated Rear Seats TEMP (Temperature Control): Rear Climate Control If the dual automatic climate control Turn clockwise or counterclockwise System system rear climate control lockout to increase or decrease the airflow feature is locked, the rear climate temperature into the passenger The rear climate control system is control settings can only be area. If the SYNC button is pressed located on the rear of the center adjusted from the front seat. on the front climate controls, the console storage. The rear climate rear climate temperature is linked to settings can be adjusted with this the driver temperature setting. system. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (6,1) Mexico-8431503) - 2015 - crc - 8/11/14

8-6 Climate Controls

MODE (Air Delivery Mode Air Vents Operation Tips Control): Press to change the . Clear away any ice, snow, Adjustable air vents are in the direction of the airflow in the vehicle. or leaves from the air inlets at center and on the side of the Repeatedly press the button until the base of the windshield that instrument panel. the desired mode appears on the could block the flow of air into display. Multiple presses will cycle the vehicle. through the delivery selections. M L . When you enter a vehicle in cold or (Heated Rear Seats, If weather, press the fan up button Equipped): Press M or L to heat to the maximum fan level before the left or right outboard seat driving. This helps clear the cushion. See Heated Rear Seats on intake ducts of snow and page 3-9. moisture, and reduces the chance of fogging the inside of the window. . Keep the air path under the front seats clear of objects to help circulate the air inside of the 1. Slider Knob vehicle more effectively. 2. Thumbwheel . Use of non-GM approved hood Move the slider knobs (1) to change deflectors can adversely affect the direction of the airflow. the performance of the system. Check with your dealer before Use the thumbwheels (2) near the adding equipment to the outside air vents to open or close off the of the vehicle. airflow. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (7,1) Mexico-8431503) - 2015 - crc - 8/11/14

Climate Controls 8-7

Maintenance Passenger Compartment Air Filter The filter reduces the dust, pollen, and other airborne irritants from outside air that is pulled into the vehicle. The filter should be replaced as part of routine scheduled maintenance. See Maintenance Schedule on 1. Open the glove box completely. page 11-2. To find out what type of 3. Remove the six screws and filter to use, see Maintenance 2. Disconnect the glove box door remove the access plate. Replacement Parts on page 11-13. dampener string from the glove box door assembly. A pen or pencil may be inserted through the end of the dampener string to prevent the string from slipping inside the door assembly. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (8,1) Mexico-8431503) - 2015 - crc - 8/11/14

8-8 Climate Controls

4. Release the two tabs holding the directly to the atmosphere is harmful service door. Open the service to the environment and may also door and remove the old filter. create unsafe conditions based on 5. Install the new air filter. inhalation, combustion, frostbite, or other health-based concerns. 6. Close the service door and secure the tabs. 7. Reverse the steps to reinstall the glove box. See your dealer if additional assistance is needed. Service All vehicles have a label underhood that identifies the refrigerant used in the vehicle. The refrigerant system should only be serviced by trained and certified technicians. The air conditioning evaporator should never be repaired or replaced by one from a salvage vehicle. It should only be replaced by a new evaporator to ensure proper and safe operation. During service, all refrigerants should be reclaimed with proper equipment. Venting refrigerants GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (1,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-1

Starting the Engine ...... 9-24 Ride Control Systems Driving and Engine Heater ...... 9-26 Traction Control/Electronic Operating Retained Accessory Stability Control ...... 9-44 Power (RAP) ...... 9-27 Magnetic Ride Control ...... 9-46 Shifting Into Park ...... 9-28 Locking Rear Axle ...... 9-46 Driving Information Shifting out of Park ...... 9-29 Automatic Level Control . . . . . 9-47 Parking over Things Distracted Driving ...... 9-2 Cruise Control Defensive Driving ...... 9-3 That Burn ...... 9-30 Active Fuel Management® . . . 9-30 Cruise Control ...... 9-47 Drunk Driving ...... 9-3 Adaptive Cruise Control . . . . . 9-50 Control of a Vehicle ...... 9-3 Engine Exhaust Braking ...... 9-3 Engine Exhaust ...... 9-30 Driver Assistance Systems Steering ...... 9-4 Running the Vehicle While Driver Assistance Off-Road Recovery ...... 9-4 Parked ...... 9-31 Systems ...... 9-57 Loss of Control ...... 9-5 Assistance Systems for Off-Road Driving ...... 9-5 Automatic Transmission Parking or Backing ...... 9-58 Driving on Wet Roads ...... 9-10 Automatic Transmission . . . . . 9-31 Assistance Systems for Hill and Mountain Roads . . . . . 9-11 Manual Mode ...... 9-34 Driving ...... 9-61 Winter Driving ...... 9-12 Tow/Haul Mode ...... 9-36 Forward Collision Alert (FCA) If the Vehicle Is Stuck ...... 9-13 System ...... 9-61 Vehicle Load Limits ...... 9-14 Drive Systems Active Emergency Braking Four-Wheel Drive ...... 9-37 Starting and Operating System ...... 9-63 Side Blind Zone New Vehicle Break-In ...... 9-19 Brakes Antilock Brake Alert (SBZA) ...... 9-65 Adjustable Throttle and Brake Lane Change Alert (LCA) . . . . 9-66 Pedal ...... 9-20 System (ABS) ...... 9-41 Parking Brake ...... 9-42 Lane Departure Ignition Positions (Key Warning (LDW) ...... 9-68 Access) ...... 9-20 Brake Assist ...... 9-43 Ignition Positions (Keyless Hill Start Assist (HSA) ...... 9-43 Access) ...... 9-22 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (2,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-2 Driving and Operating

Fuel Driving Information . Designate a front seat Fuel ...... 9-69 passenger to handle potential distractions. California Fuel Distracted Driving Requirements ...... 9-70 . Become familiar with vehicle Fuels in Foreign Countries . . . 9-71 Distraction comes in many forms features before driving, such as Fuel Additives ...... 9-71 and can take your focus from the programming favorite radio E85 or FlexFuel ...... 9-71 task of driving. Exercise good stations and adjusting climate Filling the Tank ...... 9-72 judgment and do not let other control and seat settings. Filling a Portable Fuel activities divert your attention away Program all trip information into Container ...... 9-73 from the road. Many local any navigation device prior to Trailer Towing governments have enacted laws driving. regarding driver distraction. Become General Towing . Wait until the vehicle is parked familiar with the local laws in Information ...... 9-74 to retrieve items that have fallen your area. Driving Characteristics and to the floor. To avoid distracted driving, always Towing Tips ...... 9-74 . Stop or park the vehicle to tend keep your eyes on the road, hands Trailer Towing ...... 9-77 to children. Towing Equipment ...... 9-82 on the wheel, and mind on the drive. . Keep pets in an appropriate Trailer Sway . Do not use a phone in carrier or restraint. Control (TSC) ...... 9-88 demanding driving situations. Conversions and Add-Ons Use a hands-free method to . Avoid stressful conversations Add-On Electrical place or receive necessary while driving, whether with a Equipment ...... 9-89 phone calls. passenger or on a cell phone. . Watch the road. Do not read, take notes, or look up information on phones or other electronic devices. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (3,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-3

. Allow enough following distance Control of a Vehicle { Warning between you and the driver in front of you. Braking, steering, and accelerating Taking your eyes off the road too are important factors in helping to . Focus on the task of driving. long or too often could cause a control a vehicle while driving. crash resulting in injury or death. Drunk Driving Focus your attention on driving. Braking Death and injury associated with Braking action involves perception drinking and driving is a global Refer to the infotainment section for time and reaction time. Deciding to tragedy. more information on using that push the brake pedal is perception system and the navigation system, time. Actually doing it is if equipped, including pairing and { Warning reaction time. using a cell phone. Drinking and then driving is very Average driver reaction time is Defensive Driving dangerous. Your reflexes, about three-quarters of a second. In perceptions, attentiveness, and that time, a vehicle moving at Defensive driving means “always judgment can be affected by even 100 km/h (60 mph) travels 20 m expect the unexpected.” The first a small amount of alcohol. You (66 ft), which could be a lot of distance in an emergency. step in driving defensively is to wear can have a serious — or even the safety belt. See Safety Belts on fatal — collision if you drive after Helpful braking tips to keep in mind page 3-18. drinking. include: . Assume that other road users Do not drink and drive or ride with . Keep enough distance between (pedestrians, bicyclists, and a driver who has been drinking. you and the vehicle in front other drivers) are going to be Ride home in a cab; or if you are of you. careless and make mistakes. Anticipate what they might do with a group, designate a driver . Avoid needless heavy braking. who will not drink. and be ready. . Keep pace with traffic. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (4,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-4 Driving and Operating

If the engine ever stops while the If the steering assist is used for an Steering in Emergencies vehicle is being driven, brake extended period of time, power . There are some situations when normally but do not pump the assist may be reduced. steering around a problem may brakes. Doing so could make the If the steering wheel is turned until it be more effective than braking. pedal harder to push down. If the reaches the end of its travel, and is . Holding both sides of the engine stops, there will be some held in that position for an extended steering wheel allows you to turn power brake assist but it will be period of time, power steering assist 180 degrees without removing used when the brake is applied. may be reduced. Once the power assist is used up, it a hand. Normal use of the power steering can take longer to stop and the . Antilock Brake System (ABS) assist should return when the brake pedal will be harder to push. allows steering while braking. system cools down. Steering See specific vehicle steering Off-Road Recovery messages under Steering System Electric Power Steering Messages on page 5-40. See your This vehicle has electric power dealer if there is a problem. steering. It does not have power steering fluid. Regular maintenance Curve Tips is not required. . Take curves at a reasonable If power steering assist is lost due speed. to a system malfunction, the vehicle . Reduce speed before entering a can be steered, but may require curve. increased effort. . Maintain a reasonable steady See your dealer if there is a speed through the curve. problem. . Wait until the vehicle is out of the curve before accelerating gently into the straightaway. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (5,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-5

The vehicle's right wheels can drop . Steering or Cornering Skid — material on the road. Learn to off the edge of a road onto the too much speed or steering in a recognize warning clues — such shoulder while driving. Follow curve causes tires to slip and as enough water, ice, or packed these tips: lose cornering force. snow on the road to make a 1. Ease off the accelerator and . Acceleration Skid — too much mirrored surface — and slow then, if there is nothing in the throttle causes the driving down when you have any doubt. way, steer the vehicle so that it wheels to spin. . Try to avoid sudden steering, straddles the edge of the Defensive drivers avoid most skids acceleration, or braking, pavement. by taking reasonable care suited to including reducing vehicle speed 2. Turn the steering wheel about existing conditions, and by not by shifting to a lower gear. Any one-eighth of a turn, until the overdriving those conditions. But sudden changes could cause right front tire contacts the skids are always possible. the tires to slide. pavement edge. If the vehicle starts to slide, follow Remember: Antilock brakes help 3. Turn the steering wheel to go these suggestions: avoid only the braking skid. straight down the roadway. . Ease your foot off the accelerator pedal and steer the Off-Road Driving Loss of Control way you want the vehicle to go. Four-wheel-drive vehicles can be The vehicle may straighten out. used for off-road driving. Vehicles Skidding Be ready for a second skid if it without four-wheel drive and There are three types of skids that occurs. vehicles not equipped with All correspond to the vehicle's three . Slow down and adjust your Terrain (AT) or On-Off Road (OOR) control systems: driving according to weather tires must not be driven off-road except on a level, solid surface. For . Braking Skid wheels are not conditions. Stopping distance — more contact information about the rolling. can be longer and vehicle control can be affected when original equipment tires, see the traction is reduced by water, Limited Warranty and Owner snow, ice, gravel, or other Assistance Information manual. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (6,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-6 Driving and Operating

One of the best ways for successful To gain more ground clearance if off-road driving is to control the needed, it may be necessary to Warning (Continued) speed. remove the front fascia lower air dam. However, driving without the passengers can be struck by air dam reduces fuel economy. flying objects. Secure the { Warning cargo properly. When driving off-road, bouncing { Caution . Keep cargo in the cargo area and quick changes in direction as far forward and as low as can easily throw you out of Operating the vehicle for possible. The heaviest things position. This could cause you to extended periods without the front should be on the floor, lose control and crash. You and fascia lower air dam installed can forward of the rear axle. your passengers should always cause improper air flow to the . Heavy loads on the roof raise wear safety belts. engine. Re-attach the front fascia the vehicle's center of gravity, air dam after off-road driving. making it more likely to roll over. You can be seriously or Before Driving Off-Road Loading the Vehicle for fatally injured if the vehicle . Have all necessary maintenance rolls over. Put heavy loads and service work completed. Off-Road Driving inside the cargo area, not on

. the roof. Fuel the vehicle, fill fluid levels, { Warning and check inflation pressure in all tires, including the spare, . Unsecured cargo on the load For more information about loading if equipped. floor can be tossed about the vehicle, see If the Vehicle Is . Read all the information about when driving over rough Stuck on page 9-13 and Tires on four-wheel-drive vehicles in this terrain. You or your page 10-44. manual. (Continued) . Know the local laws that apply to off-road driving. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (7,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-7

Environmental Concerns Warning (Continued) { Warning . Always use established trails, roads, and areas that have been cause a rollover. You could be Driving to the top of a hill at high set aside for public off-road injured or killed. Do not drive on speed can cause an accident. recreational driving and obey all steep hills. There could be a drop-off, posted regulations. embankment, cliff, or even . Do not damage shrubs, flowers, Before driving on a hill, assess the another vehicle. You could be trees, or grasses or disturb steepness, traction, and seriously injured or killed. As you wildlife. obstructions. If the terrain ahead near the top of a hill, slow down and stay alert. . Do not park over things that cannot be seen, get out of the burn. See Parking over Things vehicle and walk the hill before That Burn on page 9-30. driving further. . Never go downhill forward or When driving on hills: backward with either the Driving on Hills transmission or transfer case in . Driving safely on hills requires good Use a low gear and keep a firm N (Neutral). The brakes could judgment and an understanding of grip on the steering wheel. overheat and you could lose what the vehicle can and cannot do. . Maintain a slow speed. control. . When possible, drive straight up { Warning or down the hill. { Warning Many hills are simply too steep . Slow down when approaching If the vehicle has the two‐speed for any vehicle. Driving up hills the top of the hill. automatic transfer case, shifting can cause the vehicle to stall. . Use headlamps even during the the transfer case to N (Neutral) Driving down hills can cause loss day to make the vehicle more can cause your vehicle to roll of control. Driving across hills can visible. even if the transmission is in (Continued) (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (8,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-8 Driving and Operating

. If you cannot make it up the Warning (Continued) Warning (Continued) hill, back straight down the hill. P (Park). This is because the cause loss of control and you or . Never back down a hill in N (Neutral) position on the others could be injured or killed. N (Neutral) using only the transfer case overrides the Apply the brakes lightly when brake. transmission. You or someone descending a hill and use a low else could be injured. If leaving gear to keep vehicle speed under The vehicle can roll the vehicle, set the parking brake control. backward quickly and you and shift the transmission to could lose control. P (Park). Shift the transfer case to If the vehicle stalls on a hill: . If driving downhill when the any position but N (Neutral). vehicle stalls, shift to a 1. Apply the brakes to stop the lower gear, release the vehicle, and then apply the parking brake, and drive . When driving down a hill, keep parking brake. straight down the hill. the vehicle headed straight down. Use a low gear because 2. Shift into P (Park) and then 3. If the vehicle cannot be restarted the engine will work with the restart the engine. after stalling, set the parking brakes to slow the vehicle and . If driving uphill when the brake, shift into P (Park), and help keep the vehicle under vehicle stalls, shift to turn the vehicle off. control. R (Reverse), release the 3.1. Leave the vehicle and parking brake, and back seek help. { Warning straight down. 3.2. Stay clear of the path the . Never try to turn the vehicle Heavy braking when going down vehicle would take if it around. If the hill is steep rolled downhill. a hill can cause your brakes to enough to stall the vehicle, overheat and fade. This could it is steep enough to cause . Avoid turns that take the vehicle (Continued) it to roll over. across the incline of the hill. A hill that can be driven straight GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (9,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-9

up or down might be too steep to Traction is reduced on hard packed drive across. Driving across an { Warning snow and ice and it is easy to lose incline puts more weight on the control. Reduce vehicle speed when downhill wheels, which could Getting out of the vehicle on the driving on hard packed snow cause a downhill slide or a downhill side when stopped and ice. rollover. across an incline is dangerous. If the vehicle rolls over, you could . { Warning Surface conditions can be a be crushed or killed. Always get problem. Loose gravel, muddy out on the uphill side of the spots, or even wet grass can Driving on frozen lakes, ponds, vehicle and stay well clear of the cause the tires to slip sideways, or rivers can be dangerous. Ice rollover path. downhill. If the vehicle slips conditions vary greatly and the sideways, it can hit something vehicle could fall through the ice; that will trip it — a rock, a rut, Driving in Mud, Sand, Snow, you and your passengers could etc. — and roll over. or Ice drown. Drive your vehicle on safe surfaces only. . Hidden obstacles can make the Use a low gear when driving in steepness of the incline more mud — the deeper the mud, the severe. If a rock is driven across lower the gear. Keep the vehicle Driving in Water with the uphill wheels, or if the moving to avoid getting stuck. downhill wheels drop into a rut { Warning or depression, the vehicle can tilt Traction changes when driving on even more. sand. On loose sand, such as on beaches or sand dunes, the tires Driving through rushing water can . If an incline must be driven tend to sink into the sand. This be dangerous. Deep water can across, and the vehicle starts to affects steering, accelerating, and sweep your vehicle downstream slide, turn downhill. This should braking. Drive at a reduced speed and you and your passengers help straighten out the vehicle and avoid sharp turns or abrupt could drown. If it is only shallow and prevent the side slipping. maneuvers. water, it can still wash away the (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (10,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-10 Driving and Operating

After Off-Road Driving Warning (Continued) { Warning Remove any brush or debris that ground from under your tires. has collected on the underbody or Wet brakes can cause crashes. Traction could be lost, and the chassis, or under the hood. These They might not work as well in a vehicle could roll over. Do not accumulations can be a fire hazard. quick stop and could cause drive through rushing water. After operation in mud or sand, pulling to one side. You could have the brake linings cleaned and lose control of the vehicle. checked. These substances can After driving through a large cause glazing and uneven braking. { Caution puddle of water or a car/vehicle Check the body structure, steering, wash, lightly apply the brake suspension, wheels, tires, and Do not drive through standing pedal until the brakes work exhaust system for damage and water if it is deep enough to cover normally. check the fuel lines and cooling the wheel hubs, axles, or exhaust system for any leakage. Flowing or rushing water creates pipe. Deep water can damage the strong forces. Driving through axle and other vehicle parts. More frequent maintenance service is required. See the Maintenance flowing water could cause the Schedule on page 11-2. vehicle to be carried away. If this If the standing water is not too deep, happens, you and other vehicle drive slowly through it. At faster Driving on Wet Roads occupants could drown. Do not speeds, water splashes and the ignore police warnings and be vehicle can stall. When going Rain and wet roads can reduce very cautious about trying to drive through water, the brakes get wet vehicle traction and affect your through flowing water. and it may take longer to stop. See ability to stop and accelerate. “Driving on Wet Roads” later in this Always drive slower in these types section. of driving conditions and avoid driving through large puddles and deep‐standing or flowing water. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (11,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-11

Hydroplaning . Turn off cruise control. { Warning Hydroplaning is dangerous. Water Hill and Mountain Roads can build up under the vehicle's Coasting downhill in N (Neutral) tires so they actually ride on the Driving on steep hills or through or with the ignition off is water. This can happen if the road is mountains is different than driving dangerous. This can cause wet enough and you are going fast on flat or rolling terrain. Tips for overheating of the brakes and enough. When the vehicle is driving in these conditions include: loss of steering. Always have the hydroplaning, it has little or no . Keep the vehicle serviced and in engine running and the vehicle contact with the road. good shape. in gear. There is no hard and fast rule about . Check all fluid levels and brakes, hydroplaning. The best advice is to tires, cooling system, and . Stay in your own lane. Do not slow down when the road is wet. transmission. swing wide or cut across the Other Rainy Weather Tips . Shift to a lower gear when going center of the road. Drive at down steep or long hills. speeds that let you stay in your Besides slowing down, other wet own lane. weather driving tips include: { Warning . Be alert on top of hills; . Allow extra following distance. something could be in your lane . Pass with caution. Using the brakes to slow the (stalled car, accident). vehicle on a long downhill slope . Keep windshield wiping . Pay attention to special road equipment in good shape. can cause brake overheating, can signs (falling rocks area, winding reduce brake performance, and roads, long grades, passing or . Keep the windshield washer fluid could result in a loss of braking. no-passing zones) and take reservoir filled. Shift the transmission to a lower appropriate action. . Have good tires with proper gear to let the engine assist the tread depth. See Tires on brakes on a steep downhill slope. page 10-44. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (12,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-12 Driving and Operating

Winter Driving apply the brakes sooner than when . Tie a red cloth to an outside on dry pavement. See Antilock mirror. Driving on Snow or Ice Brake System (ABS) on page 9-41. Drive carefully when there is snow Allow greater following distance on { Warning or ice between the tires and the any slippery road and watch for Snow can trap engine exhaust road, creating less traction or grip. slippery spots. Icy patches can under the vehicle. This may Wet ice can occur at about 0°C (32° occur on otherwise clear roads in cause exhaust gases to get F) when freezing rain begins to fall, shaded areas. The surface of a resulting in even less traction. Avoid curve or an overpass can remain icy inside. Engine exhaust contains driving on wet ice or in freezing rain when the surrounding roads are carbon monoxide (CO) which until roads can be treated with salt clear. Avoid sudden steering cannot be seen or smelled. It can or sand. maneuvers and braking while cause unconsciousness and even death. Drive with caution, whatever the on ice. condition. Accelerate gently so Turn off cruise control on slippery If the vehicle is stuck in the snow: traction is not lost. Accelerating too surfaces. . Clear away snow from around quickly causes the wheels to spin Blizzard Conditions the base of your vehicle, and makes the surface under the especially any that is blocking tires slick, so there is even less Being stuck in snow can be a the exhaust pipe. traction. serious situation. Stay with the . Check again from time to Traction Control should be turned vehicle unless there is help nearby. If possible, use Roadside time to be sure snow does on. See Traction Control/Electronic not collect there. Stability Control on page 9-44. Assistance. See Roadside Assistance Program on page 13-5. . Open a window about 5 cm The Antilock Brake System (ABS) To get help and keep everyone in (2 in) on the side of the improves vehicle stability during the vehicle safe: vehicle that is away from the hard stops on slippery roads, but . Turn on the hazard warning wind to bring in fresh air. flashers. (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (13,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-13

If it takes some time for help to Warning (Continued) arrive, now and then when you run { Warning the engine, push the accelerator . Fully open the air outlets on pedal slightly so the engine runs If the vehicle's tires spin at high or under the instrument faster than the idle speed. This speed, they can explode, and you panel. keeps the battery charged to restart or others could be injured. The . Adjust the climate control the vehicle and to signal for help vehicle can overheat, causing an system to a setting that with the headlamps. Do this as little engine compartment fire or other circulates the air inside the as possible to save fuel. damage. Spin the wheels as little vehicle and set the fan speed as possible and avoid going to the highest setting. See If the Vehicle Is Stuck above 56 km/h (35 mph). “Climate Control Systems.” Slowly and cautiously spin the For more information about wheels to free the vehicle when For information about using tire carbon monoxide, see Engine stuck in sand, mud, ice, or snow. chains on the vehicle, see Tire Exhaust on page 9-30. See “Rocking the Vehicle to Get It Chains on page 10-65. Out” later in this section. Rocking the Vehicle to Get To save fuel, run the engine for only The Traction Control System (TCS) It Out short periods as needed to warm can often help to free a stuck the vehicle and then shut the engine vehicle. See Traction Control/ Turn the steering wheel left and off and close the window most of Electronic Stability Control on right to clear the area around the the way to save heat. Repeat this page 9-44. If TCS cannot free the front wheels. For four-wheel-drive vehicles, shift into Four-Wheel Drive until help arrives but only when you vehicle, see “Rocking the Vehicle to High. Turn the TCS off. Shift back feel really uncomfortable from the Get it Out” following. cold. Moving about to keep warm and forth between R (Reverse) and also helps. a forward gear, spinning the wheels as little as possible. To prevent transmission wear, wait until the wheels stop spinning before shifting GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (14,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-14 Driving and Operating

gears. Slowly spinning the wheels in Vehicle Load Limits the forward and reverse directions causes a rocking motion that could It is very important to know how free the vehicle. If that does not get much weight your vehicle can the vehicle out after a few tries, it carry. This weight is called the might need to be towed out. See vehicle capacity weight and Towing the Vehicle on page 10-81. includes the weight of all Recovery hooks can be used, occupants, cargo, and all if equipped. nonfactory-installed options. Recovery Hooks Two labels on your vehicle show how much weight it was { Warning designed to carry, the Tire and { Caution Loading Information label and Never pull on recovery hooks the Certification/Tire label. from the side. The hooks could Do not drive through standing break and you and others could water if it is deep enough to cover { Warning be injured. When using recovery the wheel hubs, axles, or exhaust hooks, always pull the vehicle pipe. Deep water can damage the Do not load the vehicle any from the front. axle and other vehicle parts. heavier than the Gross Vehicle Weight Rating If the vehicle has recovery hooks at (GVWR), or either the the front of the vehicle, use them if maximum front or rear Gross the vehicle is stuck off-road and Axle Weight Rating (GAWR). needs to be pulled some place to This can cause systems to continue driving. break and change the way the (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (15,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-15

(B-pillar). With the driver door the front and rear axles. See Warning (Continued) open, you will find the label “Certification/Tire Label” later in vehicle handles. This could attached below the door lock this section. post (striker). The tire and cause loss of control and a Steps for Determining Correct loading information label shows “ crash. Overloading can also Load Limit– shorten the life of the vehicle. the number of occupant seating positions (1), and the maximum 1. Locate the statement "The vehicle capacity weight (2) in combined weight of Tire and Loading Information kilograms and pounds. occupants and cargo should Label The Tire and Loading never exceed XXX kg or XXX lbs." on your vehicle s Information label also shows the ’ placard. size of the original equipment tires (3) and the recommended 2. Determine the combined cold tire inflation pressures (4). weight of the driver and For more information on tires passengers that will be riding and inflation see Tires on in your vehicle. page 10-44 and Tire Pressure 3. Subtract the combined on page 10-51. weight of the driver and There is also important loading passengers from XXX kg or information on the vehicle XXX lbs. Label Example Certification/Tire label. It tells 4. The resulting figure equals you the Gross Vehicle Weight A vehicle specific Tire and the available amount of cargo Rating (GVWR) and the Gross and luggage load capacity. Loading Information label is Axle Weight Rating (GAWR) for attached to the center pillar For example, if the "XXX" amount equals 1400 lbs. and GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (16,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-16 Driving and Operating

there will be five 150 lb passengers in your vehicle, the amount of available cargo and luggage load capacity is 650 lbs. (1400-750 (5 x 150) = 650 lbs.) 5. Determine the combined weight of luggage and cargo being loaded on the vehicle. That weight may not safely exceed the available cargo and luggage load capacity Example 1 Example 2 calculated in Step 4. 1. Vehicle Capacity Weight for 1. Vehicle Capacity Weight for 6. If your vehicle will be towing Example 1 = 453 kg Example 2 = 453 kg a trailer, load from your trailer (1,000 lbs) (1,000 lbs) will be transferred to your 2. Subtract Occupant Weight @ 2. Subtract Occupant Weight @ vehicle. Consult this manual 68 kg (150 lbs) × 2 = 136 kg 68 kg (150 lbs) × 5 = 136 kg to determine how this (300 lbs) (750 lbs) reduces the available cargo 3. Available Occupant and 3. Available Cargo Weight = and luggage load capacity of Cargo Weight = 317 kg 113 kg (250 lbs) (700 lbs) your vehicle.” See Trailer Towing on page 9-77 for important information on towing a trailer, towing safety rules, and trailering tips. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (17,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-17

weight of the driver, passengers, The GVWR includes the weight and cargo should never exceed of the vehicle, all occupants, your vehicle's capacity weight. fuel, and cargo. Certification/Tire Label The Certification/Tire label also tells you the maximum weights for the front and rear axles, called Gross Axle Weight Rating (GAWR). To find out the actual loads on your front and rear axles, you need to go to a weigh station and weigh your vehicle. Example 3 Your dealer can help you with this. Be sure to spread out your 1. Vehicle Capacity Weight for Example 3 = 453 kg load equally on both sides of the (1,000 lbs) centerline. 2. Subtract Occupant Weight @ Never exceed the GVWR for 91 kg (200 lbs) × 5 = 453 kg A vehicle specific Certification/ your vehicle, or the GAWR for (1,000 lbs) Tire label is attached to the either the front or rear axle. 3. Available Cargo Weight = center pillar (B-pillar). The label The Certification/Tire label also 0 kg (0 lbs) shows the size of your vehicle's contains information about your original tires and the inflation Refer to your vehicle's tire and Front Axle Reserve Capacity. loading information label for pressures needed to obtain the specific information about your gross weight capacity of your And, if you do have a heavy vehicle's capacity weight and vehicle. This is called Gross load, you should spread it out. seating positions. The combined Vehicle Weight Rating (GVWR). GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (18,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-18 Driving and Operating

The label will help you decide { Warning how much cargo and installed { Warning Do not load the vehicle any equipment your truck can carry. Things you put inside the heavier than the Gross Using heavier suspension vehicle can strike and injure Vehicle Weight Rating components to get added people in a sudden stop or (GVWR), or either the durability might not change your turn, or in a crash. maximum front or rear Gross weight ratings. Ask your dealer . Put things in the cargo Axle Weight Rating (GAWR). to help you load your vehicle the area of the vehicle. Try to This can cause systems to right way. spread the weight evenly. break and change the way the If you put things inside your vehicle handles. This could . Never stack heavier vehicle — like suitcases, tools, things, like suitcases, cause loss of control and a packages, or anything crash. Overloading can also inside the vehicle so that else — they go as fast as the shorten the life of the vehicle. some of them are above vehicle goes. If you have to stop the tops of the seats. or turn quickly, or if there is a crash, they will keep going. . Do not leave an { Caution unsecured child restraint in the vehicle. Overloading the vehicle may . When you carry something cause damage. Repairs would not be covered by the vehicle inside the vehicle, secure warranty. Do not overload the it whenever you can. vehicle. . Do not leave a seat folded down unless you need to. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (19,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-19

There is also important loading Starting and Caution (Continued) information for off-road driving in Operating this manual. See “Loading Your broken in. Hard stops with Vehicle for Off-Road Driving” new linings can mean under Off-Road Driving on New Vehicle Break-In premature wear and earlier page 9-5. replacement. Follow this { Caution breaking-in guideline every time you get new brake The vehicle does not need an linings. elaborate break-in. But it will . Do not tow a trailer during perform better in the long run if break-in. See Trailer Towing you follow these guidelines: on page 9-77 for the trailer . Keep the vehicle speed at towing capabilities of the 88 km/h (55 mph) or less for vehicle and more information. the first 805 km (500 mi). Following break-in, engine speed . Do not drive at any one and load can be gradually constant speed, fast or slow, increased. for the first 805 km (500 mi). Do not make full-throttle starts. Avoid downshifting to brake or slow the vehicle. . Avoid making hard stops for the first 322 km (200 mi) or so. During this time the new brake linings are not yet (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (20,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-20 Driving and Operating

Adjustable Throttle and Press the switch to the left to move Ignition Positions (Key the pedals closer to your body. Brake Pedal Press the switch to the right to move Access) If equipped, the position of the the pedals away. throttle and brake pedals can be Before you start driving, fully press changed. the brake pedal to confirm the No adjustment to the pedals can be adjustment is right for you. While made when the vehicle is in driving, make only small R (Reverse) or while using cruise adjustments. control. The vehicle may have a memory function, which lets pedal settings be saved and recalled. See Memory Seats on page 3-5.

Vehicles with Key Access have an ignition switch with four different positions. To shift out of P (Park), the ignition must be in ON/RUN or ACC/ ACCESSORY and the regular brake pedal must be applied. The switch used to adjust the 1 (STOPPING THE ENGINE/LOCK/ pedals is to the left of the steering OFF): When the vehicle is stopped, wheel. turn the ignition switch to LOCK/ OFF to turn the engine off. Retained GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (21,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-21

Accessory Power (RAP) will remain If the vehicle must be shut off in an active. See Retained Accessory emergency: { Warning Power (RAP) on page 9-27. 1. Brake using a firm and steady Turning off the vehicle while This position locks the ignition and pressure. Do not pump the moving may cause loss of power steering wheel. It also locks the brakes repeatedly. This may assist in the brake and steering transmission on automatic deplete power assist, requiring systems and disable the airbags. transmission vehicles. The key can increased brake pedal force. While driving, only shut the be removed in LOCK/OFF. 2. Shift the vehicle to N (Neutral). vehicle off in an emergency. The steering can bind with the This can be done while the wheels turned off center. If this vehicle is moving. After shifting If the vehicle cannot be pulled over, happens, move the steering wheel to N (Neutral), firmly apply the and must be shut off while driving, from right to left while turning the brakes and steer the vehicle to a turn the ignition to ACC/ key to ACC/ACCESSORY. If this safe location. ACCESSORY. does not work, then the vehicle 3. Come to a complete stop, shift needs service. to P (Park), and turn the ignition { Caution Do not turn the engine off when the to LOCK/OFF. On vehicles with vehicle is moving. This will cause a an automatic transmission, the Using a tool to force the key to loss of power assist in the brake shift lever must be in P (Park) to turn in the ignition could cause and steering systems and disable turn the ignition switch to the damage to the switch or break the the airbags. LOCK/OFF position. key. Use the correct key, make 4. Set the parking brake. See sure it is all the way in, and turn it Parking Brake on page 9-42. only with your hand. If the key cannot be turned by hand, see your dealer. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (22,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-22 Driving and Operating

2 (ACC/ACCESSORY): This 4 (START): This is the position that Vehicles with Keyless Access have position lets things like the radio starts the engine. When the engine pushbutton starting. and the windshield wipers operate starts, release the key. The ignition Pressing the button cycles it through while the engine is off. It also switch returns to ON/RUN for three modes: ACC/ACCESSORY, unlocks the steering wheel. Use this driving. ON/RUN/START, and Stopping the position if the vehicle must be A warning tone will sound when the Engine/OFF. pushed or towed. driver door is opened and the The transmitter must be in the 3 (ON/RUN): This position can be ignition is in ACC/ACCESSORY or vehicle for the system to operate. used to operate the electrical LOCK/OFF, and the key is in the If the pushbutton start is not accessories and to display some ignition. working, the vehicle may be near a instrument cluster warning and strong radio antenna signal causing indicator lights. This position can Ignition Positions interference to the Keyless Access also be used for service and (Keyless Access) system. See Remote Keyless Entry diagnostics, and to verify the proper (RKE) System Operation (Key) on operation of the malfunction page 2-5 or Remote Keyless Entry indicator lamp as may be required (RKE) System Operation (Keyless) for emission inspection purposes. on page 2-8. The switch stays in this position when the engine is running. The To shift out of P (Park), the vehicle transmission is also unlocked in this must be in ACC/ACCESSORY or position on automatic transmission ON/RUN and the brake pedal must vehicles. be applied. If the key is left in the ACC/ Stopping the Engine/LOCK/ ACCESSORY or ON/RUN position OFF (No Indicator Lights): When with the engine off, the battery could the vehicle is stopped, press the be drained. The vehicle may not ENGINE START/STOP button once start if the battery is allowed to drain to turn the engine off. for an extended period of time. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (23,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-23

If the vehicle is in P (Park), the turned off center. If this happens, 4. Set the parking brake. See ignition will turn off, and Retained the vehicle may not start. Move the Parking Brake on page 9-42. Accessory Power (RAP) will remain steering wheel from left to right active. See Retained Accessory while attempting to start the vehicle. { Warning Power (RAP) on page 9-27. If this does not work, the vehicle If the vehicle is not in P (Park), the needs service. Turning off the vehicle while ignition will return to ACC/ If the vehicle must be shut off in an moving may cause loss of power ACCESSORY and display the emergency: assist in the brake and steering message SHIFT TO PARK in the systems and disable the airbags. 1. Brake using a firm and steady While driving, only shut the Driver Information Center (DIC). pressure. Do not pump the vehicle off in an emergency. See Transmission Messages on brakes repeatedly. This may page 5-41. When the vehicle is deplete power assist, requiring shifted into P (Park), the ignition increased brake pedal force. If the vehicle cannot be pulled over, system will switch to OFF. 2. Shift the vehicle to N (Neutral). and must be shut off while driving, Do not turn the engine off when the This can be done while the press and hold the ENGINE START/ vehicle is moving. This will cause a vehicle is moving. After shifting STOP button for longer than loss of power assist in the brake to N (Neutral), firmly apply the two seconds, or press twice in and steering systems and disable brakes and steer the vehicle to a five seconds. the airbags. safe location. ACC/ACCESSORY (Amber The vehicle may have an electric 3. Come to a complete stop, shift Indicator Light): This mode allows steering column lock. The lock is to P (Park), and turn the ignition some electrical accessories to be activated when the vehicle is to OFF. On vehicles with an used when the engine is off. switched to OFF and either front automatic transmission, the shift With the ignition off, pressing the door is opened. A sound may be lever must be in P (Park) to turn button one time without the brake heard as the lock actuates or the ignition switch to the OFF pedal applied will place the ignition releases. The steering column lock position. system in ACC/ACCESSORY. may not release with the wheels GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (24,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-24 Driving and Operating

The ignition will switch from ACC/ The instruments and audio systems ACCESSORY to OFF after will operate as they do in ON/RUN, { Caution five minutes to prevent battery but the vehicle will not be able to be rundown. driven. The engine will not start in If you add electrical parts or accessories, you could change ON/RUN/START (Green Indicator Service Only Mode. Press the button again to turn the vehicle off. the way the engine operates. Any Light): This mode is for driving and resulting damage would not be starting. With the ignition off, and Starting the Engine covered by the vehicle warranty. the brake pedal applied, pressing See Add-On Electrical Equipment the button once will place the Move the shift lever to P (Park) or on page 9-89. ignition system in ON/RUN/START. N (Neutral). The engine will not start Once engine cranking begins, in any other position. To restart the release the button. Engine cranking engine when the vehicle is already Starting Procedure (Key will continue until the engine starts. moving, use N (Neutral) only. Access) See Starting the Engine on 1. With your foot off the accelerator page 9-24. The ignition will then { Caution remain in ON/RUN. pedal, turn the ignition key to START. When the engine starts, Service Only Mode Do not try to shift to P (Park) if the let go of the key. The idle speed vehicle is moving. If you do, you will go down as the engine gets This power mode is available for could damage the transmission. service and diagnostics, and to warm. Do not race the engine Shift to P (Park) only when the verify the proper operation of the immediately after starting it. vehicle is stopped. malfunction indicator lamp as may Operate the engine and be required for emission inspection transmission gently to allow the purposes. With the vehicle off, and oil to warm up and lubricate all the brake pedal not applied, moving parts. pressing and holding the button for When the low fuel warning lamp more than five seconds will place is on and the FUEL LEVEL LOW the vehicle in Service Only Mode. message is displayed in the GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (25,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-25

Driver Information Center (DIC), 2. If the engine does not start after Starting Procedure (Keyless hold the ignition switch in the five to 10 seconds, especially Access) START position to continue in very cold weather (below engine cranking. −18°C or 0°F), it could be 1. With the Keyless Access flooded with too much gasoline. system, the RKE transmitter must be in the vehicle. Press the { Caution Try pushing the accelerator pedal all the way to the floor and ENGINE START/STOP button with the brake pedal applied. Cranking the engine for long holding it there while holding the When the engine begins periods of time, by returning the key in START for up to cranking, let go of the button. ignition to the START position 15 seconds. Wait at least immediately after cranking has 15 seconds between each try, to The idle speed will go down as ended, can overheat and damage allow the cranking motor to cool the engine gets warm. Do not the cranking motor, and drain the down. When the engine starts, race the engine immediately battery. Wait at least 15 seconds let go of the key and accelerator. after starting it. If the vehicle starts briefly but between each try, to let the If the RKE transmitter is not in then stops again, do the same cranking motor cool down. the vehicle, if there is thing. This clears the extra interference, or the RKE battery gasoline from the engine. Do not is low, the Driver Information race the engine immediately Center (DIC) will display a after starting it. Operate the message. See Key and Lock engine and transmission gently Messages on page 5-35. until the oil warms up and lubricates all moving parts. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (26,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-26 Driving and Operating

starts briefly but then stops 2. Open the hood and unwrap the { Caution again, do the same thing. This electrical cord. The cord is by clears the extra gasoline from the left front fender, next to the Cranking the engine for long the engine. Do not race the engine compartment fuse block. periods of time, by returning the engine immediately after starting Check the heater cord for ignition to the START position it. Operate the engine and immediately after cranking has damage. If it is damaged, do not transmission gently until the oil use it. See your dealer for a ended, can overheat and damage warms up and lubricates all the cranking motor, and drain the replacement. Inspect the cord for moving parts. damage yearly. battery. Wait at least 15 seconds between each try, to let the Engine Heater 3. Plug the cord into a normal, cranking motor cool down. grounded 110-volt AC outlet. The engine coolant heater can provide easier starting and better { Warning 2. If the engine does not start after fuel economy during engine five to 10 seconds, especially in warm-up in cold weather conditions Improper use of the heater cord very cold weather (below −18°C at or below −18°C (0°F). Vehicles or an extension cord can damage or 0°F), it could be flooded with with an engine heater should be the cord and may result in too much gasoline. Try pushing plugged in at least four hours before overheating and fire. the accelerator pedal all the way starting. There may be an internal to the floor and holding it there thermostat in the plug end of the . Plug the cord into a as you press the ENGINE cord, which will prevent engine three-prong electrical utility START/STOP button, for up to a coolant heater operation at receptacle that is protected maximum of 15 seconds. Wait at temperatures above −18°C (0°F). by a ground fault detection least 15 seconds between each (Continued) try, to allow the cranking motor To Use the Engine Coolant to cool down. When the engine Heater starts, let go of the button, and 1. Turn off the engine. the accelerator. If the vehicle GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (27,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-27

The length of time the heater should Warning (Continued) Warning (Continued) remain plugged in depends on several factors. Ask a dealer in the function. An ungrounded vehicle. Possible heater cord area where you will be parking the outlet could cause an electric and thermostat damage could vehicle for the best advice on this. shock. occur. . Use a weatherproof, . While in use, do not let the Retained Accessory heavy-duty, 15 amp-rated heater cord touch vehicle Power (RAP) extension cord if needed. parts or sharp edges. Never Failure to use the close the hood on the The following vehicle accessories recommended extension cord heater cord. can be used for up to 10 minutes in good operating condition, after the engine is turned off: . Before starting the vehicle, or using a damaged heater or unplug the cord, reattach the . Audio System extension cord, could make it cover to the plug, and . Power Windows overheat and cause a fire, securely fasten the cord. property damage, electric Keep the cord away from any . OnStar System (if equipped) shock, and injury. moving parts. . Sunroof (if equipped) . Do not operate the vehicle with the heater cord . Accessory Power Outlets. The 4. Before starting the engine, be permanently attached to the console and center seat outlets sure to unplug and store the are RAP powered. (Continued) cord as it was before to keep it away from moving engine parts. These features work when the key If you do not, it could be is in ON/RUN or ACC/ damaged. ACCESSORY. Once the key is turned from ON/RUN to LOCK/OFF, the windows and sunroof continue to work up to 10 minutes until any GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (28,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-28 Driving and Operating

door is opened. The radio continues Leaving the Vehicle with the to work for up to 10 minutes or until Warning (Continued) Engine Running the driver door is opened. case is in a drive gear. If towing a { Shifting Into Park trailer, see Driving Characteristics Warning and Towing Tips on page 9-74. It can be dangerous to leave the { Warning vehicle with the engine running. 1. Hold the brake pedal down, then The vehicle could move suddenly It can be dangerous to get out of set the parking brake. if the shift lever is not fully in the vehicle if the shift lever is not See Parking Brake on P (Park) with the parking brake fully in P (Park) with the parking page 9-42. firmly set. brake firmly set. The vehicle can 2. Move the shift lever into the If you have four-wheel drive and roll. If you have left the engine P (Park) position by pulling the the transfer case is in N (Neutral), running, the vehicle can move shift lever toward you and the vehicle will be free to roll, suddenly. You or others could be moving it up as far as it will go. even if the shift lever is in injured. To be sure the vehicle will P (Park). So be sure the transfer not move, even when you are on 3. Be sure the transfer case is in a case is in a drive gear not in fairly level ground, use the steps drive gear — not in N (Neutral). — N (Neutral). that follow. If the vehicle has a 4. Turn the ignition key to four-wheel drive transfer case LOCK/OFF. And, if you leave the vehicle with the engine running, it could with a N (Neutral) position, and 5. Remove the key and take it with the transfer case is in N (Neutral), you. If you can leave the vehicle overheat and even catch fire. You the vehicle will be free to roll, with the ignition key in your or others could be injured. Do not even if the shift lever is in hand, the vehicle is in P (Park). leave the vehicle with the engine P (Park). Be sure the transfer running unless you have to. (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (29,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-29

If you have to leave the vehicle with When you are ready to drive, move The shift lock release is always the engine running, be sure the the shift lever out of P (Park) before functional except in the case of an vehicle is in P (Park) and the you release the parking brake. uncharged or low voltage (less than parking brake is firmly set before If torque lock does occur, you may 9 volt) battery. you leave it. After you move the shift need to have another vehicle push If the vehicle has an uncharged lever into P (Park), hold the regular yours a little uphill to take some of battery or a battery with low voltage, brake pedal down. Then, see if you the pressure from the parking pawl try charging or jump starting the can move the shift lever away from in the transmission. You will then be battery. See Jump Starting on P (Park) without first pulling it toward able to pull the shift lever out of page 10-78. you. If you can, it means that the P (Park). shift lever was not fully locked into To shift out of P (Park): P (Park). Shifting out of Park 1. Apply the brake pedal. Torque Lock This vehicle is equipped with an 2. Move the shift lever to the If you are parking on a hill and you electronic shift lock release system. desired position. do not shift the transmission into The shift lock release is If you still are unable to shift out of P (Park) properly, the weight of the designed to: P (Park): vehicle may put too much force on . Prevent ignition key removal 1. Ease the pressure on the shift the parking pawl in the unless the shift lever is in lever. transmission. You may find it difficult P (Park). to pull the shift lever out of P (Park). 2. While holding down the brake This is called torque lock. To . Prevent movement of the shift pedal, press the shift lever all prevent torque lock, set the parking lever out of P (Park), unless the the way into P (Park). ignition is in ON/RUN and the brake and then shift into P (Park) 3. Move the shift lever to the regular brake pedal is applied. properly before you leave the driver desired position. seat. To find out how, see Shifting Into Park on page 9-28. If you are still having a problem shifting, then have the vehicle serviced soon. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (30,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-30 Driving and Operating

Parking over Things When less power is required, such Engine Exhaust as cruising at a constant vehicle That Burn speed, the system will operate in the half cylinder mode, allowing the { Warning { Warning vehicle to achieve better fuel economy. When greater power Engine exhaust contains carbon Things that can burn could touch demands are required, such as monoxide (CO) which cannot be hot exhaust parts under the accelerating from a stop, passing, seen or smelled. Exposure to CO vehicle and ignite. Do not park or merging onto a freeway, the can cause unconsciousness and over papers, leaves, dry grass, system will maintain full-cylinder even death. or other things that can burn. operation. Exhaust may enter the vehicle if:

If the vehicle has an Active Fuel . ® The vehicle idles in areas Active Fuel Management Management indicator, see Driver with poor ventilation (parking Information Center (DIC) on Vehicles with V8 engines may have garages, tunnels, deep snow page 5-28 for more information on that may block underbody Active Fuel Management. This using this display. system allows the engine to operate airflow or tail pipes). on either all or half of its cylinders, . The exhaust smells or depending on the driving conditions. sounds strange or different. . The exhaust system leaks due to corrosion or damage. . The vehicle exhaust system has been modified, damaged, or improperly repaired. (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (31,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-31

Running the Vehicle Warning (Continued) Automatic While Parked Transmission . There are holes or openings It is better not to park with the in the vehicle body from If equipped, there is an electronic engine running. damage or aftermarket shift lever position indicator within modifications that are not If the vehicle is left with the engine the instrument cluster. This display completely sealed. running, follow the proper steps to comes on when the ignition key is be sure the vehicle will not move. turned to the ON/RUN position. If unusual fumes are detected or See Shifting Into Park on page 9-28 There are several different positions if it is suspected that exhaust is and Engine Exhaust on page 9-30. coming into the vehicle: for the shift lever. If parking on a hill and pulling a . Drive it only with the windows trailer, see Driving Characteristics completely down. and Towing Tips on page 9-74. . Have the vehicle repaired immediately. Never park the vehicle with the engine running in an enclosed area such as a garage or a See “Range Selection Mode” under building that has no fresh air Manual Mode on page 9-34. ventilation. P (Park): This position locks the rear wheels. It is the best position to use when starting the engine because the vehicle cannot move easily. When parked on a hill, especially when the vehicle has a heavy load, you might notice an GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (32,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-32 Driving and Operating

increase in the effort to shift out of P (Park). See “Torque Lock” under { Caution { Warning Shifting Into Park on page 9-28. Shifting to R (Reverse) while the Shifting into a drive gear while the vehicle is moving forward could engine is running at high speed is { Warning damage the transmission. The dangerous. Unless your foot is It is dangerous to get out of the repairs would not be covered by firmly on the brake pedal, the vehicle if the shift lever is not fully the vehicle warranty. Shift to vehicle could move very rapidly. in P (Park) with the parking brake R (Reverse) only after the vehicle You could lose control and hit firmly set. The vehicle can roll. is stopped. people or objects. Do not shift into a drive gear while the engine Do not leave the vehicle when the is running at high speed. engine is running. If you have left To rock the vehicle back and forth to the engine running, the vehicle get out of snow, ice, or sand without damaging the transmission, see If can move suddenly. You or others the Vehicle Is Stuck on page 9-13. could be injured. To be sure the { Caution vehicle will not move, even when N (Neutral): In this position, the you are on fairly level ground, engine does not connect with the Shifting out of P (Park) or always set the parking brake and wheels. To restart when you are N (Neutral) with the engine move the shift lever to P (Park). already moving, use N (Neutral) running at high speed may See Shifting Into Park on only. Also, use N (Neutral) when the damage the transmission. The page 9-28 and Driving vehicle is being towed. repairs would not be covered by Characteristics and Towing Tips the vehicle warranty. Be sure the on page 9-74. engine is not running at high speed when shifting the vehicle.

R (Reverse): Use this gear to back up. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (33,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-33

D (Drive): This position is for The vehicle has a shift stabilization vehicle is being used, such as with normal driving. It provides the best feature that adjusts the transmission a heavy load or when the fuel economy. If you need more shifting to the current driving temperature changes. During this power for passing, and you are: conditions in order to reduce rapid adaptive shift control process, upshifts and downshifts. This shift shifting might feel different as the . Going less than about 55 km/h (35 mph), push the accelerator stabilization feature is designed to transmission determines the best pedal about halfway down. determine, before making an settings. upshift, if the engine is able to When temperatures are very cold, . Going about 55 km/h (35 mph) or maintain vehicle speed by analyzing the transmission's gear shifting more, push the accelerator all things such as vehicle speed, the way down. could be delayed providing more throttle position, and vehicle load. stable shifts until the engine warms By doing this, the vehicle shifts If the shift stabilization feature up. Shifts could be more noticeable down to the next gear and has determines that a current vehicle with a cold transmission. This more power. speed cannot be maintained, the difference in shifting is normal. transmission does not upshift and Use D (Drive) and Tow/Haul Mode instead holds the current gear. M (Manual Mode): This position when towing a trailer, carrying a In some cases, this could appear to allows selection of a range of gears heavy load, driving on steep hills, be a delayed shift, however the appropriate for current driving or driving off-road. Shift the transmission is operating normally. conditions. If equipped, see “Range transmission to a lower gear Selection Mode” under Manual selection if the transmission shifts The transmission uses adaptive Mode on page 9-34. too often. shift controls. The adaptive shift control process continually Downshifting the transmission in compares key shift parameters to { Caution slippery road conditions could result pre-programmed ideal shifts stored Spinning the tires or holding the in skidding. See “Skidding” under in the transmission’s computer. The Loss of Control on page 9-5. transmission constantly makes vehicle in one place on a hill adjustments to improve vehicle using only the accelerator pedal performance according to how the (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (34,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-34 Driving and Operating

To disable or enable Normal Mode while driving downhill or towing a Caution (Continued) Grade Braking within the current trailer by letting you select a desired ignition key cycle, press and hold range of gears. may damage the transmission. the Tow/Haul button for To use this feature: The repair will not be covered by five seconds. When the button is the vehicle warranty. If you are released, the requested mode 1. Move the shift lever to stuck, do not spin the tires. When change is made. A DIC message M (Manual Mode). stopping on a hill, use the brakes displays. See Transmission 2. Press the plus/minus buttons on to hold the vehicle in place. Messages on page 5-41. the shift lever to select the For other forms of grade braking, desired range of gears for Normal Mode Grade Braking see Tow/Haul Mode on page 9-36 current driving conditions. and Cruise Control on page 9-47. If equipped with a gasoline engine When the shift lever is moved from and an automatic transmission, D (Drive) to M (Manual Mode), a Normal Mode Grade Braking is Manual Mode number displays next to the M, indicating the current transmission enabled when the vehicle is started, Range Selection Mode but is not enabled in Range range. Selection Mode. It assists in This number is the highest gear that maintaining desired vehicle speeds the transmission will command while when driving on downhill grades by operating in M (Manual Mode). All using the engine and transmission gears below that number are to slow the vehicle. The first time available. As driving conditions the system engages for each change, the transmission can ignition key cycle, a DIC message automatically shift to lower gears. will be displayed. See Transmission If equipped, Range Selection Mode For example, when 5 (Fifth) is Messages on page 5-41. helps control the vehicle's selected, 1 (First) through 5 (Fifth) transmission and vehicle speed gears are automatically shifted by the transmission, but 6 (Sixth) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (35,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-35

cannot be used until the plus/minus Gear before shifting from D 6th 5th 4th 3rd 2nd 1st button on the shift lever is used to (Drive) to M (Manual Mode) change to the range. Range after shifting from D In vehicles with gasoline engines, M4 M4 M3 M2 M2 M1 (Drive) to M (Manual Mode) when the shift lever is moved from D (Drive) to M (Manual Mode), a downshift may occur. The gear that the transmission is operating in Grade Braking is not available when Low Traction Mode Range Selection Mode is active. when the shift lever is moved from Low Traction Mode assists in See Tow/Haul Mode on page 9-36. D (Drive) to M (Manual Mode) vehicle acceleration when road determines if a downshift occurs. While using Range Selection Mode, conditions are slippery, such as with See the following chart. cruise control and the Tow/Haul ice or snow. While the vehicle is at a Mode can be used. stop, select M2 using Range Selection Mode. This will limit { Caution torque to the wheels and help to prevent the tires from spinning. Spinning the tires or holding the vehicle in one place on a hill using only the accelerator pedal may damage the transmission. The repair will not be covered by the vehicle warranty. If you are stuck, do not spin the tires. When stopping on a hill, use the brakes to hold the vehicle in place. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (36,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-36 Driving and Operating

Tow/Haul Mode button. When the Tow/Haul Mode is released, the requested mode enabled, a light on the instrument change is made. A DIC message is cluster will come on. displayed. See Transmission See Tow/Haul Mode Light on Messages on page 5-41. page 5-24 and Hill and Mountain See Towing Equipment on Roads on page 9-11. page 9-82. Also see “Tow/Haul Mode” under For other forms of grade braking, Towing Equipment on page 9-82. see Automatic Transmission on page 9-31 and Cruise Control on Tow/Haul Mode Grade Braking page 9-47. Tow/Haul Mode Grade Braking is only enabled while the Tow/Haul Mode is selected and the vehicle is not in the Range Selection Mode. The Tow/Haul Mode adjusts the See “Tow/Haul Mode” listed transmission shift pattern to reduce previously and Manual Mode on shift cycling. This provides page 9-34. Tow/Haul Mode Grade increased performance, vehicle Braking assists in maintaining control, and enhanced transmission desired vehicle speeds when driving and engine cooling when driving on downhill grades by using the down steep hills or mountain engine and transmission to slow the grades, towing, or hauling heavy vehicle. loads. To disable or enable Tow/Haul The selector button is on the end of Grade Braking within the current the shift lever. Turn the Tow/Haul ignition key cycle, press and hold Mode on and off by pressing the the Tow/Haul button for five seconds. When the button is GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (37,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-37

Shifting into 4 will turn Traction Drive Systems { Warning n Control and StabiliTrak® off. See Four-Wheel Drive Shifting the transfer case to Traction Control/Electronic Stability N (Neutral) can cause the vehicle Control on page 9-44. If equipped, four-wheel drive engages the front axle for extra to roll even if the transmission is Two Speed Automatic traction. Read the appropriate in P (Park). You or someone else Transfer Case section for transfer case operation could be seriously injured. Be before using. sure to set the parking brake before placing the transfer case in { Caution N (Neutral). See Parking Brake on page 9-42. Driving on clean, dry pavement in four-wheel drive for an extended period of time may cause { Caution premature wear on the system. The damage would not be Extended high-speed operation in covered by the vehicle warranty. 4 n may damage or shorten the life of the drivetrain. Driving on clean, dry pavement in four-wheel drive may: Use the transfer case knob next to Engagement noise and bump when the steering wheel to shift into and . Cause a vibration to be felt in shifting between 4 n and 4 m or from out of four-wheel drive. the steering system. N (Neutral), with the engine running, Indicator lights display which setting . Cause tires to wear faster. is normal. the transfer case is in. N (Neutral) is . Make the transfer case harder to indicated on the knob. The indicator shift, and cause it to run noisier. lights will display briefly when the GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (38,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-38 Driving and Operating

ignition is turned on and one will 2 m (Two-Wheel Drive High): Use Shifting into 4 n will turn Traction stay on. If the lights display for driving on most streets and Control and StabiliTrak off. See momentarily when the ignition is in highways. The front axle is not Traction Control/Electronic Stability ON/RUN, but none stay on, the engaged. This setting provides the Control on page 9-44. knob may have been turned while best fuel economy. the vehicle was off. To see the Shifting Into 4 m or AUTO indicator, turn the knob to another AUTO (Automatic Four-Wheel position so that it matches the Drive): Use when road surface Turn the knob to the 4 m or AUTO actual transfer case setting. If no traction conditions are variable. position at any speed, except from 4 lights display, take the vehicle to When driving in AUTO, the front n. The indicator light will flash while your dealer for service. An indicator axle is engaged, and the vehicle's shifting and will remain on when the light flashes while shifting the power is sent to the front and rear shift is completed. transfer case and remains wheels automatically based on illuminated when the shift is driving conditions. This setting Shifting Into 2 m provides slightly lower fuel economy complete. Turn the knob to 2 m at any speed, than 2 m. If the transfer case cannot make a except when shifting from 4 n. The requested shift, it will return to the 4 m (Four-Wheel Drive High): Use indicator light will flash while shifting last chosen setting. Turn the knob this position when extra traction is and will remain on when the shift is back to the previous transfer case needed, such as when driving on completed. setting to see the indicator. snowy or icy roads, when The settings are: off-roading, or when plowing snow. Shifting Into 4 n N (Neutral): Use only when the 4 n (Four-Wheel Drive Low): This When 4 n is engaged, keep vehicle vehicle needs to be towed. See setting engages the front axle and speed below 72 km/h (45 mph). Recreational Vehicle Towing on delivers extra torque. Choose 4 page 10-81 or Towing the Vehicle n when driving off-road in deep sand, on page 10-81. deep mud, or deep snow, and while climbing or descending steep hills. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (39,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-39

To shift into 4 : case will shift to 4 . Turn the knob n m { Caution 1. The ignition must be in ON/RUN to 4 m to display the indicator. With and the vehicle must be stopped the vehicle moving less than 5 km/h Shifting the transmission into gear or moving less than 5 km/h (3 mph), and the transmission in before the requested mode (3 mph) with the transmission in N (Neutral), attempt the shift again. indicator light has stopped N (Neutral). It is best for the flashing could damage the vehicle to be moving Shifting Out of 4 n transfer case. 1.6 to 3.2 km/h (1 to 2 mph). To shift: 2. Turn the knob to 4 n. Wait for the 1. The vehicle must be stopped or If the transmission is in gear and/or 4 n indicator light to stop flashing moving less than 5 km/h (3 mph) moving more than 5 km/h (3 mph), before shifting the transmission with the transmission in the 4 m, AUTO, or 2 m indicator light into gear. N (Neutral) and the ignition in will flash for 30 seconds but will not ON/RUN. It is best for the complete the shift. With the vehicle vehicle to be moving { Caution moving less than 5 km/h (3 mph), 1.6 to 3.2 km/h (1 to 2 mph). and the transmission in N (Neutral), Shifting the transmission into gear 2. Turn the knob to 4 m, AUTO, or 2 attempt the shift again. before the requested mode m. Wait for the 4 m, AUTO, or 2 m Shifting Into N (Neutral) indicator light has stopped indicator light to stop flashing flashing could damage the before shifting the transmission To shift: transfer case. into gear. 1. Park the vehicle on a level surface. If the transmission is in gear and/or 2. Set the parking brake and press moving more than 5 km/h (3 mph), and hold the brake pedal. See the 4 n indicator light will flash for Parking Brake on page 9-42. 30 seconds and not complete the 3. Start the vehicle or turn the shift. After 30 seconds the transfer ignition to ON/RUN. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (40,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-40 Driving and Operating

4. Shift the transmission to 9. Place the transmission shift Single Speed Automatic N (Neutral). lever in P (Park). See Transfer Case Recreational Vehicle Towing on 5. Shift the transfer case to 2 m. page 10-81. 6. Turn the transfer case knob 10. Turn the ignition to LOCK/OFF. clockwise to N (Neutral) until it stops and hold it there until the Shifting Out of N (Neutral) N (Neutral) light starts blinking. To shift: This will take at least 10 seconds. Then slowly release 1. Set the parking brake and apply the brake pedal. the dial to the 4 n position. The N (Neutral) light will come on 2. Turn the ignition to ON/RUN with when the transfer case shift to the engine off. N (Neutral) is complete. 3. Shift the transmission to 7. With the engine running, verify N (Neutral). that the transfer case is in 4. Turn the transfer case knob to Use the transfer case knob next to N (Neutral) by shifting the the desired setting. the steering wheel to shift into and transmission to R (Reverse), out of four-wheel drive. After the transfer case has then shift the transmission to Indicator lights display which setting D (Drive). There should be no shifted out of N (Neutral), the N (Neutral) light will go out. the transfer case is in. The indicator movement of the vehicle while lights will display briefly when the shifting the transmission. 5. Release the parking brake. ignition is turned on and one will 8. Turn the engine off, and the 6. Start the engine and shift the stay on. If the lights display ignition to ACC/ACCESSORY. transmission to the desired gear. momentarily when the ignition is in ON/RUN, but none stay on, the knob may have been turned while the vehicle was off. To see the GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (41,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-41

indicator, turn the knob to another driving conditions. This setting Brakes position so that it matches the provides slightly lower fuel economy actual transfer case setting. If no than 2 m. lights display, take the vehicle to Antilock Brake your dealer for service. An indicator 4 m (Four-Wheel Drive High): Use System (ABS) light flashes while shifting the this position when extra traction is This vehicle has ABS, an advanced transfer case and remains needed, such as when driving on electronic braking system that helps illuminated when the shift is snowy or icy roads, when prevent a braking skid. complete. off-roading, or when plowing snow. When the vehicle begins to drive If the transfer case cannot make a Shifting Into 4 m or AUTO away, ABS checks itself. requested shift, it will return to the A momentary motor or clicking noise last chosen setting. Turn the knob Turn the knob to the 4 m or AUTO might be heard while this test is back to the previous transfer case position. This can be done at any going on, and it might even be setting to see the indicator. speed. The indicator light will flash noticed that the brake pedal moves The settings are: while shifting. It will remain on when a little. This is normal. the shift is completed. 2 m (Two-Wheel Drive High): Use for driving on most streets and Shifting Into 2 m highways. The front axle is not Turn the knob to the 2 position. engaged. This setting provides the m best fuel economy. This can be done at any speed. The indicator light will flash while AUTO (Automatic Four-Wheel shifting. It will remain on when the Drive): Use when road surface shift is completed. If there is a problem with ABS, this traction conditions are variable. warning light stays on. See Antilock When driving in AUTO, the front Brake System (ABS) Warning Light axle is engaged, and the vehicle's on page 5-23. power is sent to the front and rear wheels automatically based on GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (42,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-42 Driving and Operating

If driving safely on a wet road and it suddenly slows or stops. Always Parking Brake becomes necessary to slam on the leave enough room up ahead to brakes and continue braking to stop, even with ABS. avoid a sudden obstacle, a computer senses the wheels are Using ABS slowing down. If one of the wheels Do not pump the brakes. Just hold is about to stop rolling, the computer the brake pedal down firmly and let will separately work the brakes at ABS work. You may hear the ABS each wheel. pump or motor operating and feel ABS can change the brake pressure the brake pedal pulsate. This is to each wheel, as required, faster normal. than any driver could. This can help Braking in Emergencies you steer around the obstacle while braking hard. ABS allows you to steer and brake at the same time. In many As the brakes are applied, the emergencies, steering can help Set the parking brake by holding the computer keeps receiving updates more than even the very best regular brake pedal down, then on wheel speed and controls braking. pushing down the parking brake braking pressure accordingly. pedal. Remember: ABS does not change If the ignition is on, the brake the time needed to get a foot up to system warning light will come on. the brake pedal or always decrease See Brake System Warning Light on stopping distance. If you get too page 5-22. close to the vehicle in front of you, there will not be enough time to apply the brakes if that vehicle GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (43,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-43

Brake Assist Hill Start Assist (HSA) { Caution The Brake Assist feature is Vehicles with StabiliTrak have an Driving with the parking brake on designed to assist the driver in HSA feature, which may be useful can overheat the brake system stopping or decreasing vehicle when the vehicle is stopped on a and cause premature wear or speed in emergency driving grade. This feature is designed to damage to brake system parts. conditions. This feature uses the prevent the vehicle from rolling, Make sure that the parking brake stability system hydraulic brake either forward or rearward, during is fully released and the brake control module to supplement the vehicle drive off. After the driver warning light is off before driving. power brake system under completely stops and holds the conditions where the driver has vehicle in a complete standstill on a quickly and forcefully applied the grade, HSA will be automatically To release the parking brake, hold brake pedal in an attempt to quickly activated. During the transition the regular brake pedal down, then stop or slow down the vehicle. The period between when the driver push down momentarily on the stability system hydraulic brake releases the brake pedal and starts parking brake pedal until you feel control module increases brake to accelerate to drive off on a grade, the pedal release. Slowly pull your pressure at each corner of the HSA holds the braking pressure for foot up off the parking brake pedal. vehicle until the ABS activates. a maximum of two seconds to If the parking brake is not released Minor brake pedal pulsation or ensure that there is no rolling. The when you begin to drive, the brake pedal movement during this time is brakes will automatically release system warning light will flash and a normal and the driver should when the accelerator pedal is chime will sound warning you that continue to apply the brake pedal as applied within the two-second the parking brake is still on. the driving situation dictates. The window. If the vehicle is equipped If you are towing a trailer and are Brake Assist feature will with the Integrated Trailer Brake parking on a hill, see Driving automatically disengage when the Control (ITBC) system, HSA may Characteristics and Towing Tips on brake pedal is released or brake page 9-74. pedal pressure is quickly decreased. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (44,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-44 Driving and Operating

also apply the trailer brakes. It will Ride Control Systems vehicle wheel brakes to assist the not activate if the vehicle is in a driver in keeping the vehicle on the drive gear and facing downhill or if intended path. Trailer Sway Control the vehicle is facing uphill and in Traction Control/ (TSC) is also on automatically when R (Reverse). There may be Electronic Stability the vehicle is started. See Trailer situations on minor hills (less than Control Sway Control (TSC) on page 9-88. 5% grade) with a loaded vehicle or If cruise control is being used and while pulling a trailer where HSA System Operation traction control or StabiliTrak begins may activate. The vehicle has a Traction Control to limit wheel spin, cruise control will System (TCS) and StabiliTrak®, an disengage. Cruise control may be electronic stability control system. turned back on when road These systems help limit wheel spin conditions allow. and assist the driver in maintaining Both systems come on control, especially on slippery road automatically when the vehicle is conditions. started and begins to move. The TCS activates if it senses that any systems may be heard or felt while of the drive wheels are spinning or they are operating or while beginning to lose traction. When this performing diagnostic checks. This happens, TCS applies the brakes to is normal and does not mean there the spinning wheels and reduces is a problem with the vehicle. engine power to limit wheel spin. It is recommended to leave both StabiliTrak activates when the systems on for normal driving vehicle senses a difference between conditions, but it may be necessary the intended path and the direction to turn TCS off if the vehicle gets the vehicle is actually traveling. stuck in sand, mud, ice, or snow. StabiliTrak selectively applies braking pressure to any one of the GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (45,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-45

See If the Vehicle Is Stuck on . Turn on and stay on when either Turning the Systems Off page 9-13 and “Turning the system is not working. and On Systems Off and On” later in this If either system fails to turn on or to section. activate, a message displays in the When the transfer case is in Driver Information Center (DIC), Four-Wheel Drive Low, the stability and d comes on and stays on to system is automatically disabled, indicate that the system is inactive the StabiliTrak OFF light comes on, and is not assisting the driver in and the appropriate message will maintaining control. The vehicle is appear on the DIC. Both traction safe to drive, but driving should be The button for TCS and StabiliTrak control and StabiliTrak are adjusted accordingly. is on the instrument panel to the left automatically disabled in this of the steering wheel. condition. If d comes on and stays on: 1. Stop the vehicle. { Caution 2. Turn the engine off and wait 15 seconds. Do not repeatedly brake or accelerate heavily when TCS is 3. Start the engine. off. The vehicle driveline could be Drive the vehicle. If d comes on damaged. and stays on, the vehicle may need The indicator light for both systems more time to diagnose the problem. To turn off only TCS, press and is in the instrument cluster. This If the condition persists, see your light will: release the g button. The traction dealer. i . Flash when TCS is limiting off light displays in the instrument wheel spin. cluster. The appropriate message will display in the DIC. See Ride . Flash when StabiliTrak is Control System Messages on activated. page 5-38. To turn TCS on again, GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (46,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-46 Driving and Operating

press and release the g button. The StabiliTrak will automatically turn on position of the vehicle. The if the vehicle exceeds 56 km/h controller then sends signals to traction off light i displayed in the (35 mph). Traction control will each shock absorber to instrument cluster will turn off. remain off. independently adjust the damping If TCS is limiting wheel spin when The vehicle has a Trailer Sway level to provide the optimum the g button is pressed, the system Control (TSC) feature and a Hill vehicle ride. will not turn off until the wheels stop Start Assist (HSA) feature. See Magnetic Ride Control also interacts spinning. Trailer Sway Control (TSC) on with the Tow/Haul Mode that, when To turn off both TCS and StabiliTrak, page 9-88 or Hill Start Assist (HSA) activated, will provide additional on page 9-43. control of the shock absorbers. This press and hold the g button until additional control results in better the traction off light i and the Adding accessories can affect the vehicle performance. See ride and handling characteristics StabiliTrak OFF light g come on Accessories and Modifications on when the vehicle is loaded or towing and stay on in the instrument page 10-3. a trailer. See “Tow/Haul Mode” cluster, then release. The under Towing Equipment on appropriate message will display in Magnetic Ride Control page 9-82. the DIC. See Ride Control System Messages on page 5-38. This vehicle may have a semi-active Locking Rear Axle damping system called Magnetic To turn TCS and StabiliTrak on Ride Control. With this feature, Vehicles with a locking rear axle can again, press and release the g improved vehicle ride and handling give more traction on snow, mud, ice, sand, or gravel. It works like a button. The traction off light i and is provided under a variety of passenger and loading conditions. standard axle most of the time, but the StabiliTrak OFF light g in the when traction is low, this feature will instrument cluster turn off. Magnetic Ride Control is fully allow the rear wheel with the most automatic and uses a computer traction to move the vehicle. controller to continuously monitor vehicle speed, wheel to body position, lift/dive, and steering GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (47,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-47

Automatic Level Control activated when the ignition key is Cruise Control turned to ON/RUN and will The automatic level control rear automatically adjust vehicle height suspension is available on light-duty thereafter. The system may exhaust { Warning vehicles and comes as a part of the (lower vehicle height) for up to MagneRide suspension, if equipped. 10 minutes after the ignition key has Cruise control can be dangerous Automatic Level Control (ALC) may been turned off. You may hear the where you cannot drive safely at also be available as a stand alone air compressor operating when the a steady speed. Do not use feature. height is being adjusted. cruise control on winding roads or in heavy traffic. This type of level control is fully If a weight-distributing hitch is being automatic and will provide a better used, it is recommended to allow Cruise control can be dangerous leveled riding position as well as the shocks to inflate, thereby on slippery roads. On such roads, better handling under a variety of leveling the vehicle prior to adjusting fast changes in tire traction can passenger and loading conditions. the hitch. cause excessive wheel slip, and An air compressor connected to the you could lose control. Do not use rear shocks will raise or lower the cruise control on slippery roads. rear of the vehicle to maintain proper vehicle height. The system is With cruise control a speed of about 40 km/h (25 mph) or more can be maintained without keeping your foot on the accelerator. Cruise control does not work at speeds below about 40 km/h (25 mph). If the brakes are applied, the cruise control disengages. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (48,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-48 Driving and Operating

® This vehicle has a Hydra-Matic * (Cancel): Press to disengage 6-speed automatic transmission. cruise control without erasing the See “Grade Braking” under Tow/ set speed from memory. Haul Mode on page 9-36 for an explanation of how cruise control Setting Cruise Control interacts with the Range Selection If 5 is on when not in use, SET− or Mode, Tow/Haul Mode, and Grade +RES control could get pressed and Braking systems. go into cruise when not desired. This vehicle has StabiliTrak and Keep the cruise 5 button off when when the system begins to limit cruise is not being used. wheel spin, the cruise control will automatically disengage. See The cruise control light on the Traction Control/Electronic Stability instrument cluster will come on Control on page 9-44. If a collision 5 (On/Off): Press to turn the green after the cruise control has alert occurs when cruise control is system on or off. A white indicator been set to the desired speed. activated, cruise control is comes on in the instrument cluster. 1. Press 5 to turn the cruise disengaged. See Forward Collision SET− (Set/Coast): Press briefly to system on. Alert (FCA) System on page 9-61. set the speed and activate cruise When road conditions allow the control. If cruise control is already 2. Get up to the desired speed. cruise control to be safely used active, use to decrease vehicle 3. Press and release SET−. The again, it can be turned back on. speed. desired set speed briefly +RES (Resume/Accelerate): If appears in the instrument there is a set speed in memory, cluster. press to resume that speed or press 4. Remove foot from the and hold to accelerate. If cruise accelerator. control is already active, use to increase vehicle speed. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (49,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-49

The cruise control indicator on the . To increase vehicle speed in The speedometer reading can be instrument cluster turns green after small increments, briefly press displayed in either English or metric cruise control has been set to the +RES. For each press, the units. See Instrument Cluster on desired speed. See Instrument vehicle goes about 1.6 km/h page 5-11. The increment value Cluster on page 5-11. (1 mph) faster. used depends on the units displayed. Resuming a Set Speed The speedometer reading can be displayed in either English or metric If the cruise control is set at a Passing Another Vehicle While units. See Instrument Cluster on Using Cruise Control desired speed and then the brakes page 5-11. The increment value or * is applied, the cruise control is used depends on the units Use the accelerator pedal to disengaged without erasing the set displayed. increase the vehicle speed. When speed from memory. you take your foot off the pedal, the Reducing Speed While Using vehicle will slow down to the Once the vehicle speed reaches Cruise Control previous set cruise speed. While about 40 km/h (25 mph) or more, If the cruise control system is pressing the accelerator pedal or briefly press +RES. The vehicle already activated: shortly following the release to returns to the previous set speed. override cruise control, briefly . Press and hold the SET button – pressing the SET– button will result Increasing Speed While Using until the desired lower speed is Cruise Control in cruise control set to the current reached, then release it. vehicle speed. If the cruise control system is . To slow down in small Using Cruise Control on Hills already activated: increments, briefly press SET–. . Press and hold the +RES button For each press, the vehicle goes How well the cruise control works until the vehicle accelerates to about 1.6 km/h (1 mph) slower. on hills depends on the vehicle the desired speed, then speed, the load, and the steepness release it. of the hills. When going up steep hills, pressing the accelerator pedal may be necessary to maintain vehicle speed. When going GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (50,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-50 Driving and Operating

downhill, Cruise Grade Braking Ending Cruise Control your path, moving in the same helps maintain the driver selected There are four ways to end cruise direction. If no vehicle is detected in speed. control: your path, ACC works like regular Cruise Grade Braking is enabled cruise control. ACC uses a radar . Step lightly on the brake pedal. when the vehicle is started and sensor. See Radio Frequency Statement on page 13-12. cruise control is active. It is not . Press *. enabled in Range Selection Mode. If a vehicle is detected in your path, . It assists in maintaining driver Shift the transmission to ACC can apply acceleration or selected speed when driving on N (Neutral). limited, moderate braking to downhill grades by using the engine . To turn off cruise control, maintain the selected following gap. and transmission to slow the press 5. To disengage ACC, apply the brake. vehicle. If ACC is controlling your vehicle Erasing Speed Memory To disable and enable Cruise Grade speed when the traction control Braking for the current ignition key The cruise control set speed is system (TCS) or electronic stability control system activates, the ACC cycle, press and hold the Tow/Haul erased from memory if the 5 button button for three seconds. A DIC may automatically disengage. See is pressed or the ignition is Traction Control/Electronic Stability message displays. See turned off. Transmission Messages on Control on page 9-44. When road page 5-41. conditions allow ACC to be safely Adaptive Cruise Control used, the ACC can be turned For other forms of Grade Braking, If equipped with Adaptive Cruise back on. see Automatic Transmission on Control (ACC), it allows the driver to ACC will not engage if the TCS or page 9-31 andTow/Haul Mode on select the cruise control set speed page 9-36. electronic stability control system is and following gap. Read this entire disabled. section before using this system. The following gap is the following time between your vehicle and a vehicle detected directly ahead in GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (51,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-51

{ Warning Warning (Continued)

ACC has limited braking ability Do not use Adaptive Cruise and may not have time to slow Control when: the vehicle down enough to avoid . On winding and hilly roads or a collision with another vehicle when the sensors are you are following. This can occur blocked by snow, ice, or dirt. when vehicles suddenly slow or The system may not detect a stop ahead, or enter your lane. vehicle ahead. Keep the Also see “Alerting the Driver” in entire front of the vehicle this section. Complete attention is clean. always required while driving and . Visibility is low, such as in you should be ready to take fog, rain, or snow conditions. 5 (On/Off): Press to turn the action and apply the brakes. See Adaptive Cruise Control system on or off. The indicator turns Defensive Driving on page 9-3. performance is limited under white on the instrument cluster these conditions. when ACC is turned on. . On slippery roads where fast SET– (Set/Coast): Press briefly to { Warning changes in tire traction can set the speed and activate ACC. cause excessive wheel slip. If cruise control is already active, Adaptive Cruise Control will not use to decrease vehicle speed. detect or brake for children, +RES (Resume/Accelerate): pedestrians, animals, or other Press briefly to resume the previous objects. set speed or hold to accelerate. (Continued) If ACC is already active, use to increase vehicle speed. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (52,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-52 Driving and Operating

* (Cancel): Press to disengage 4. Remove foot from the To begin using ACC again, press ACC without erasing the selected accelerator. +RES on the steering wheel. The set speed. After ACC is set, it may immediately vehicle returns to the previous set speed. 3 (Follow Distance Gap): Press apply the brakes if a vehicle ahead to select a following gap time (or is detected closer than the selected Increasing Speed While ACC is at distance) setting for ACC of Far, following gap. a Set Speed Medium, or Near. If ACC is already activated, do one Setting Adaptive Cruise Control of the following: If the cruise button is on when not in . Use the accelerator to get to the use, the cruise on/off control could higher speed. Press SET– . get pressed and cruise control could Release the button and the become active when not desired. accelerator pedal. The vehicle Keep the cruise control off when The ACC indicator displays on the will now cruise at the higher cruise is not being used. Driver Information Center (DIC) in speed. Select the set speed desired for the instrument cluster. When ACC is When the accelerator pedal is cruise. This is the vehicle speed active, the indicator turns green. pressed, ACC will not brake when no vehicle is detected in Be mindful of speed limits, because it is overridden. its path. surrounding traffic speeds, and A warning message will appear on the Driver Information Center ACC will not set or resume at a weather conditions when selecting the set speed. (DIC). See Cruise Control speed less than 25 km/h (16 mph). Messages on page 5-32. Resuming a Set Speed To set ACC: . Press and hold +RES until the 1. Press 5. If the ACC is set at a desired speed desired set speed appears on and then the brakes are applied, the display, then release it. 2. Get up to the desired speed. ACC is disengaged without erasing 3. Press and release SET– . the set speed from memory. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (53,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-53

. To increase vehicle speed in . Press and hold SET– until the cluster. Subsequent presses cycle small increments, briefly press desired lower speed is reached, the 3 button through three +RES. For each press, the then release it. settings: Far, Medium, or Near. The vehicle goes to the next 1 km/h . To decrease the vehicle speed in gap setting will be maintained until it (1 mph) faster mark on the small increments, briefly press is changed. speedometer. SET−. For each press, the Since each gap setting corresponds When it is determined that there is vehicle speed goes to the next to a following time (Far, Medium, no vehicle ahead or the vehicle 1 km/h (1 mph) slower mark on or Near), the following distance will ahead is beyond the selected the speedometer. vary based on vehicle speed. The following gap, then the vehicle The speedometer reading can be faster the vehicle speed, the further speed will increase to the set speed. displayed in either English or metric back your vehicle will follow a The speedometer reading can be units. See Instrument Cluster on vehicle detected ahead. Consider displayed in either English or metric page 5-11. The increment value traffic and weather conditions when units. See Instrument Cluster on used depends on the units selecting the following gap. The page 5-11. The increment value displayed. range of selectable may not be used depends on the units appropriate for all drivers and Selecting the Follow Distance Gap displayed. driving conditions. When a slower moving vehicle is Changing the gap setting Reducing Speed While ACC is at a detected ahead within the selected automatically changes the alert Set Speed following gap, ACC will adjust the timing sensitivity (Far, Medium, If ACC is already activated, do one vehicle's speed and attempt to or Near) for the Forward Collision of the following: maintain the follow distance gap Alert (FCA) feature. See Forward selected. . Use the brake to get to the Collision Alert (FCA) System on desired lower speed. Press Press 3 on the steering wheel to page 9-61. SET– and release the adjust the following gap. When accelerator pedal. The vehicle pressed, the current gap setting will now cruise at the lower displays briefly on the instrument speed. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (54,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-54 Driving and Operating

Alerting the Driver Approaching and Following a lights will come on. The automatic Vehicle braking may feel or sound different than if the brakes were applied manually. This is normal. Stationary or Very Slow-Moving Objects

{ Warning If ACC is engaged, driver action may be required when ACC cannot The vehicle ahead symbol is in the Adaptive Cruise Control (ACC) apply sufficient braking because of instrument cluster. may not detect and react to approaching a vehicle too rapidly. The vehicle ahead symbol only stopped or slow-moving vehicles When this condition occurs, six red displays when a vehicle is detected ahead of you. For example, the lights will flash on the windshield, in your vehicle’s path moving in the system may not brake for a and either eight beeps will sound same direction. vehicle it has never detected from the front, or both sides of the If this symbol is not displaying, ACC moving. This can occur in Safety Alert Seat will pulse five will not respond to or brake to stop-and-go traffic or when a times. See “Collision/Detection vehicles ahead. vehicle suddenly appears due to Systems” under Vehicle a vehicle ahead changing lanes. ACC automatically slows the vehicle Personalization on page 5-44. Your vehicle may not stop and down and adjusts vehicle speed to See Defensive Driving on page 9-3. follow the vehicle in front at the could cause a crash. Use caution selected follow gap. The vehicle when using ACC. Your complete speed increases or decreases to attention is always required while follow the vehicle in front of you, but driving and you should be ready will not exceed the set speed. It may to take action and apply the apply limited braking, if necessary. brakes. When braking is active, the brake GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (55,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-55

ACC Automatically Disengages ACC Override Warning (Continued) ACC may automatically disengage If using the accelerator pedal while and the driver will need to manually ACC is active, a warning message accelerates up to the set speed, apply the brakes to slow the in the DIC will indicate that especially when following a vehicle when: automatic braking will not occur. vehicle exiting or entering exit See Vehicle Messages on . Your vehicle speed goes below ramps. You could lose control of the minimum speed of 16 km/h page 5-31. ACC will resume the vehicle or crash. Do not use (10 mph). operation when the accelerator ACC while driving on an entrance pedal is not being pressed. . The sensors are blocked. or exit ramp. Always be ready to use the brakes if necessary. . The Traction Control System { Warning (TCS) or electronic stability control system has activated or The ACC will not automatically been disabled. apply the brakes if your foot is { Warning resting on the accelerator pedal. . No traffic or other objects are You could crash into a vehicle On curves, ACC may respond to being detected. ahead of you. a vehicle in another lane, or may . There is a fault in the system. not have time to react to a vehicle in your lane. You could crash into A message will appear on the DIC Curves in the Road indicating that cruise is disengaging. a vehicle ahead of you, or lose control of your vehicle. Give extra The ACC active symbol will not be { Warning attention in curves and be ready displayed when ACC is no longer to use the brakes if necessary. active. On curves, ACC may not detect a vehicle ahead in your lane. You Select an appropriate speed while could be startled if the vehicle driving in curves. (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (56,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-56 Driving and Operating

ACC may operate differently in a Other Vehicle Lane Changes sharp curve. It may reduce the vehicle speed if the curve is too sharp.

ACC may detect a vehicle that is not in your lane and apply the brakes. ACC will not detect a vehicle ahead ACC may occasionally provide an until it is completely in the lane. The alert and/or braking that is brakes may need to be manually When following a vehicle and considered unnecessary. It could applied. entering a curve, ACC may not respond to vehicles in different detect the vehicle ahead and Do Not Use ACC on Hills and lanes, signs, guardrails, and other When Towing a Trailer accelerate to the set speed. When stationary objects when entering or this happens, the vehicle ahead exiting a curve. This is normal symbol will not appear. operation. The vehicle does not need service. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (57,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-57

Do not use ACC when driving on Cleaning the Sensing System Driver Assistance steep hills or when towing a trailer. The radar sensor on the front of the ACC will not detect a vehicle in the vehicle can become blocked by Systems lane while driving on steep hills. The snow, ice, dirt, or mud. This area This vehicle may have features that driver will often need to take over needs to be cleaned for ACC to work together to help avoid crashes acceleration and braking on steep operate properly. or reduce crash damage while hills, especially when towing a driving, backing, and parking. Read trailer. If the brakes are applied, the For cleaning instructions, see this entire section before using ACC disengages. “Washing the Vehicle” under Exterior Care on page 10-86. these systems. Disengaging ACC System operation may also be { Warning There are three ways to limited under snow, heavy rain, disengage ACC: or road spray conditions. Do not rely on the Driver . Step lightly on the brake pedal. Assistance Systems. These . Press *. systems do not replace the need for paying attention and driving . Press 5. safely. You may not hear or feel alerts or warnings provided by Erasing Speed Memory these systems. Failure to use The cruise control set speed is proper care when driving may erased from memory if 5 is pressed result in injury, death, or vehicle or if the ignition is turned off. damage. See Defensive Driving on page 9-3. (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (58,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-58 Driving and Operating

Audible or Safety Alert Seat Rear Vision Camera (RVC) Warning (Continued) Some driver assistance features When the vehicle is shifted into Under many conditions, these alert the driver of obstacles by R (Reverse), the RVC displays an systems will not: beeping. To change the volume of image of the area behind the vehicle the warning chime, see “Comfort in the center stack display. The . Detect children, pedestrians, and Convenience” under Vehicle previous screen displays when the bicyclists, or animals. Personalization on page 5-44. vehicle is shifted out of R (Reverse) . Detect vehicles or objects If equipped with the Safety Alert after a short delay. To return to the outside the area monitored by Seat, the driver seat cushion may previous screen sooner, press a the system. provide a vibrating pulse alert button on the infotainment system, shift into P (Park), or reach a vehicle . instead of beeping. To change this, Work at all driving speeds. speed of 8 km/h (5 mph). The rear see “Collision/Detection Systems” . Warn you or provide you with under Vehicle Personalization on vision camera is above the license enough time to avoid a crash. page 5-44. plate. . Work under poor visibility or bad weather conditions. Assistance Systems for . Work if the detection sensor Parking or Backing is not cleaned or is covered by ice, snow, mud, or dirt. If equipped, the Rear Vision Camera (RVC), Rear Parking Assist (RPA), Complete attention is always Front Park Assist (FPA), and Rear required while driving, and you Cross Traffic Alert (RCTA) may help should be ready to take action the driver park or avoid objects. and apply the brakes and/or steer Always check around the vehicle the vehicle to avoid crashes. when parking or backing. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (59,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-59

Displayed images may be farther or closer than they appear. The area Warning (Continued) displayed is limited and objects that are close to either corner of the may result in injury, death, bumper or under the bumper do not or vehicle damage. Always check display. behind and around the vehicle before backing. A warning triangle may display on the RVC screen to show where the RPA has detected an object. This Parking Assist triangle changes from amber to red With RPA, and if equipped with FPA, and increases in size the closer the as the vehicle moves at speeds of object. less than 8 km/h (5 mph) the 1. View Displayed by the sensors on the bumpers may detect Camera { Warning objects up to 2.5 m (8 ft) behind and 1.2 m (4 ft) in front of the vehicle The RVC system does not display within a zone 25 cm (10 in) high off children, pedestrians, bicyclists, the ground and below bumper level. crossing traffic, animals, or any These detection distances may be other object located outside the shorter during warmer or humid camera's field of view, below the weather. Blocked sensors will not bumper, or under the vehicle. detect objects and can also cause Perceived distances may be false detections. Keep the sensors different from actual distances. clean of mud, dirt, snow, ice, and Do not back the vehicle using slush; and clean sensors after a car 1. View Displayed by the only the RVC screen. Failure to wash in freezing temperatures. Camera use proper care before backing 2. Corners of the Rear Bumper (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (60,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-60 Driving and Operating

the front or rear depending on { Warning object location, or both sides of the Safety Alert Seat will pulse five The parking assist system does times. Beeps for FPA are higher not detect children, pedestrians, pitched than for RPA. bicyclists, animals, or objects located below the bumper or that Rear Cross Traffic Alert (RCTA) are too close or too far from the If equipped, when the vehicle is vehicle. It is not available at shifted into R (Reverse), RCTA speeds greater than 8 km/h displays a red warning triangle with (5 mph). To prevent injury, death, a left or right pointing arrow on the or vehicle damage, even with RVC screen to warn of traffic parking assist, always check the coming from the left or right. This The instrument cluster may have a area around the vehicle and system detects objects coming from parking assist display with bars that check all mirrors before moving up to 20 m (65 ft) from the left or show “distance to object” and object forward or backing. right side of the vehicle. When an location information for RPA, and on object is detected, either three some vehicles, FPA. As the object beeps sound from the left or right or gets closer, more bars light up and three Safety Alert Seat pulses occur the bars change color from yellow to on the left or right side, depending amber to red. on the direction of the detected When an object is first detected in vehicle. the rear, one beep will be heard Use caution while backing up when from the rear, or both sides of the towing a trailer, as the RCTA Safety Alert Seat will pulse two detection zones that extend out times. When an object is very close from the back of the vehicle do not (<0.6 m (2 ft) in the vehicle rear, move further back when a trailer is or <0.3 m (1 ft) in the vehicle front), towed. a continuous beep will sound from GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (61,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-61

Turning the Features On or Off parking assist to work properly with approaching a vehicle ahead too a small item attached to the trailer quickly, FCA provides a red flashing hitch. Turn off parking assist when alert on the windshield and rapidly towing a trailer. beeps or pulses the driver seat. To turn the rear parking assist FCA also lights an amber visual symbols, guidance lines, or Rear alert if following another vehicle Cross Traffic Alert on or off, see much too closely. “Rear Camera” under Vehicle FCA detects vehicles within a The X button to the left of the Personalization on page 5-44 distance of approximately 60 m steering wheel is used to turn on or (197 ft) and operates at speeds off the Front and Rear Parking Assistance Systems for above 40 km/h (25 mph). If the Assist. The indicator light in the Driving vehicle has Adaptive Cruise Control button comes on when the features (ACC), it can detect vehicles to are on and turns off when the If equipped, when driving the distances of approximately 110 m features have been disabled. vehicle forward, Forward Collision (360 ft) and operates at all speeds. Alert (FCA), Lane Departure See Adaptive Cruise Control on Front and Rear Parking Assist can Warning (LDW), Side Blind Zone page 9-50. be turned off, on, or on with towbar Alert (SBZA), Lane Change Alert through vehicle personalization. See (LCA), and/or the Active Emergency { Warning “Parking Assist” under Vehicle Braking System can help to avoid a Personalization on page 5-44. If the crash or reduce crash damage. FCA is a warning system and parking assist is turned off through does not apply the brakes. When vehicle personalization, the parking Forward Collision Alert approaching a slower-moving or assist button will be disabled. To stopped vehicle ahead too rapidly, turn the parking assist on again, (FCA) System or when following a vehicle too select On in the vehicle If equipped, the FCA system may closely, FCA may not provide a personalization menu. The On with help to avoid or reduce the harm Towbar setting allows for the caused by front-end crashes. When (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (62,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-62 Driving and Operating

Detecting the Vehicle Ahead Warning (Continued) Warning (Continued)

warning with enough time to help or ice, or if the windshield is avoid a crash. FCA does not warn damaged. It may also not detect a of pedestrians, animals, signs, vehicle on winding or hilly roads, guardrails, bridges, construction or in conditions that can limit barrels, or other objects. Be ready visibility such as fog, rain, to take action and apply the or snow, or if the headlamps or brakes. For more information, see FCA warnings will not occur unless windshield are not cleaned or in the FCA system detects a vehicle Defensive Driving on page 9-3. proper condition. Keep the ahead. When the vehicle is windshield, headlamps, and FCA detected, the vehicle-ahead FCA can be disabled with the FCA indicator will display green. Vehicles sensors clean and in good repair. steering wheel control, or if your may not be detected on curves, vehicle is equipped with Adaptive highway exit ramps, or hills; or due Collision Alert Cruise Control (ACC), through to poor visibility. FCA will not detect vehicle personalization. See the another vehicle ahead until it is “Auto Collision Preparation” portion completely in the driving lane. of “Collision/Detection Systems” under Vehicle Personalization on { Warning page 5-44. FCA does not provide a warning to help avoid a crash, unless it When your vehicle approaches detects a vehicle. FCA may not another detected vehicle too rapidly, detect a vehicle ahead if the FCA the red FCA display will flash on the sensor is blocked by dirt, snow, windshield. Also, eight rapid (Continued) high-pitched beeps will sound from the front, or both sides of the Safety GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (63,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-63

Alert Seat will pulse five times. setting on the DIC. Additional button vehicles, or shadows. These alerts When this Collision Alert occurs, the presses will change this setting. The are normal operation and the brake system may prepare for driver chosen setting will remain until it is vehicle does not need service. braking to occur more rapidly which changed and will affect the timing of can cause a brief, mild deceleration. both the Collision Alert and the Cleaning the System Continue to apply the brake pedal Tailgating Alert features. The timing If the FCA system does not seem to as needed. Cruise control may be of both alerts will vary based on operate properly, cleaning the disengaged when the Collision Alert vehicle speed. The faster the outside of the windshield in front of occurs. vehicle speed, the farther away the the camera sensor behind the alert will occur. Consider traffic and rearview mirror, and cleaning the Tailgating Alert weather conditions when selecting front of the vehicle where radar the alert timing. The range of sensors are located, may correct selectable alert timing may not be the issue. appropriate for all drivers and For cleaning instructions, see driving conditions. “Washing the Vehicle” under If your vehicle is equipped with Exterior Care on page 10-86. Adaptive Cruise Control (ACC), System operation may also be changing the FCA timing setting The vehicle-ahead indicator will limited under snow, heavy rain, automatically changes the ACC display amber when you are or road spray conditions. following a vehicle ahead much too following gap setting (Far, Medium, closely. or Near). Active Emergency Selecting the Alert Timing Unnecessary Alerts Braking System The Collision Alert control is on the FCA may provide unnecessary If the vehicle has Adaptive Cruise steering wheel. Press [ / 3 to alerts for turning vehicles, vehicles Control (ACC) it also has the Active in other lanes, objects that are not set the FCA timing to Far, Medium, Emergency Braking System, which Near, or on some vehicles, Off. The includes Intelligent Brake first button press shows the current Assist (IBA) and the Automatic GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (64,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-64 Driving and Operating

Collision Preparation (ACP) System. These systems can provide a boost Warning (Continued) { Warning to braking or automatically brake the vehicle to help avoid or lessen the flow of traffic. If this occurs, take ACP is an emergency crash severity of crashes when driving in a your foot off the brake pedal and preparation feature and is not forward gear. then apply the brakes as needed. designed to avoid crashes. Do not rely on ACP to brake the Intelligent Brake Assist (IBA) Automatic Collision vehicle. IBA may activate when the brake Preparation (ACP) System ACP may not: pedal is applied quickly by providing a boost to braking based on the When driving in a forward gear . Respond to stopped vehicles, speed of approach and distance to above 9 km/h (5 mph), ACP may pedestrians, or animals. a vehicle ahead. help reduce crash damage by . Detect a vehicle ahead on applying the brakes. It has a winding or hilly roads. Minor brake pedal pulsations or detection range of approximately 60 pedal movement during this time is m (197 ft). This front automatic . Detect a stopped or normal and the brake pedal should braking can only occur if a vehicle is slow-moving vehicle or other continue to be applied as needed. detected. This is shown by the FCA object ahead. IBA will automatically disengage vehicle ahead indicator being lit. . Detect a vehicle when only when the brake pedal is See Forward Collision Alert (FCA) weather limits visibility, such released. System on page 9-61. as in fog, rain, or snow. In these situations, ACP sensor { Warning performance is limited. IBA may increase vehicle braking (Continued) in situations when it may not be necessary. You could block the (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (65,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-65

Automatic Braking may slow the Warning (Continued) vehicle to a complete stop to try to { Warning avoid a potential crash. The vehicle Complete attention is always will only hold at a stop briefly. A firm Using the Automatic Collision required while driving, and you press of the accelerator pedal will Preparation System while towing should be ready to take action also release Automatic Braking. a trailer could cause you to lose and apply the brakes and/or steer control of the vehicle and crash. the vehicle to avoid crashes. { Warning Turn the system off when towing a trailer. Brake Preparation Automatic Braking may automatically brake the vehicle When quickly approaching a vehicle Side Blind Zone suddenly in situations where it is ahead, Brake Preparation reduces unexpected and undesired. Alert (SBZA) brake response time by having the brake system prepared for driver It could respond to a turning If equipped, the SBZA system is a braking to occur more rapidly. vehicle ahead, guardrails, signs, lane-changing aid that assists and other non-moving objects. To drivers with avoiding crashes that Automatic Braking override Automatic Braking, firmly occur with vehicles in the side blind If ACP detects it is about to crash press the accelerator pedal, if it is zone (or spot) areas. When the with the vehicle you are following safe to do so. vehicle is moving forward, the left or that is moving or has come to a right side mirror display will light up stop, and the brakes have not been if a vehicle is detected in that blind Automatic Braking can be disabled zone. If the turn signal is activated applied, it may automatically brake or reduced through vehicle hard. This can help to reduce crash and a vehicle is also detected on personalization. See the “Auto the same side, the display will flash damage and it may even help to Collision Preparation” portion of avoid some very low speed crashes. as an extra warning not to change “Collision/Detection Systems” under lanes. Since this system is part of Vehicle Personalization on page 5-44. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (66,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-66 Driving and Operating

the Lane Change Alert system, read approximately between 0.5 m (1.5 ft) the entire Lane Change Alert Warning (Continued) and 2 m (6 ft) off the ground. The section before using this feature. Side Blind Zone Alert (SBZA) changing lanes may result in warning area starts at approximately Lane Change Alert (LCA) injury, death, or vehicle damage. the middle of the vehicle and goes Before making a lane change, back 5 m (16 ft). Drivers are also If equipped, the Lane Change Alert always check mirrors, glance over warned of vehicles rapidly (LCA) system is a lane-changing aid your shoulder, and use the turn approaching from up to 70 m (230 ft) that assists drivers with avoiding signals. behind the vehicle. lane change crashes that occur with vehicles in the side blind zone (or How the System Works spot) areas or with vehicles rapidly The LCA symbol lights up in the approaching these areas from side mirrors when the system behind. The LCA warning display detects a vehicle in the next lane will light up in the corresponding over that is in the side blind zone or outside side mirror and will flash if rapidly approaching from behind. the turn signal is on. A lit LCA symbol indicates it may be unsafe to change lanes. Before { Warning making a lane change, check the LCA display, check mirrors, glance LCA does not alert the driver to 1. SBZA Detection Zone over your shoulder, and use the turn vehicles outside of the system 2. LCA Detection Zone signals. detection zones, pedestrians, bicyclists, or animals. It may not LCA Detection Zones provide alerts when changing The LCA sensor covers a zone of lanes under all driving conditions. approximately one lane over from Failure to use proper care when both sides of the vehicle, or 3.5 m (Continued) (11 ft). The height of the zone is GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (67,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-67

LCA can be disabled through vehicle, such as a trailer, bicycle, vehicle personalization using the or object extending out to either side Side Blind Zone Alert option. See of the vehicle. Attached objects may “Collision/Detection Systems” under also interfere with the detection of Vehicle Personalization on vehicles. This is normal system page 5-44. If LCA is disabled by the operation; the vehicle does not need Left Side Mirror Right Side Mirror driver, the LCA mirror displays will service. Display Display not light up. LCA may not always alert the driver to vehicles in the next lane over, When the vehicle is started, both When the System Does Not Seem to Work Properly especially in wet conditions or when outside mirror LCA displays will driving on sharp curves. The system briefly come on to indicate the The LCA system requires some does not need to be serviced. The system is operating. When the driving for the system to calibrate to system may light up due to vehicle is moving forward, the left or maximum performance. This guardrails, signs, trees, shrubs, and right side mirror display will light up calibration may occur more quickly if other non-moving objects. This is if a vehicle is detected in the next the vehicle is driving on a straight normal system operation; the lane over in that blind zone or highway road with traffic and vehicle does not need service. rapidly approaching that zone. If the roadside objects (e.g., guardrails, turn signal is activated in the same barriers). LCA may not operate when the LCA direction as a detected vehicle, this sensors in the left or right corners of display will flash as an extra LCA displays may not come on the rear bumper are covered with warning not to change lanes. when passing a vehicle quickly or mud, dirt, snow, ice, or slush, or in when towing a trailer. The LCA heavy rainstorms. For cleaning detection zones that extend back instructions, see "Washing the from the side of the vehicle do not Vehicle" under Exterior Care on move further back when a trailer is page 10-86. If the DIC still displays towed. Use caution while changing the system unavailable message lanes when towing a trailer. LCA may alert to objects attached to the GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (68,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-68 Driving and Operating

after cleaning both sides of the sensor to detect the lane markings vehicle toward the rear corners of at speeds of 56 km/h (35 mph) or Warning (Continued) the vehicle, see your dealer. greater. If LDW only detects lane If the LCA displays do not light up markings on one side of the road, when vehicles are in the side blind { Warning it will only warn you when zone or rapidly approaching this departing the lane on the side zone and the system is clean, the The LDW system does not steer the vehicle. The LDW system where it has detected a lane system may need service. Take the marking. Always keep your vehicle to your dealer. may not: attention on the road and When LCA is disabled for any . Provide enough time to avoid maintain proper vehicle position reason other than the driver turning a crash. within the lane, or vehicle it off, the Side Blind Zone Alert On . Detect lane markings under damage, injury, or death could option will not be available on the poor weather or visibility occur. Always keep the personalization menu. conditions. This can occur if windshield, headlamps, and Radio Frequency Information the windshield or headlamps camera sensors clean and in are blocked by dirt, snow, good repair. Do not use LDW in See Radio Frequency Statement on or ice; if they are not in bad weather conditions. page 13-12. proper condition; or if the sun shines directly into the Lane Departure camera. How the System Works Warning (LDW) . Detect road edges. The LDW camera sensor is on the windshield ahead of the rearview . If equipped, LDW may help avoid Detect lanes on winding or mirror. crashes due to unintentional lane hilly roads. departures. It may provide an alert if (Continued) To turn LDW on and off, press @ to the vehicle is crossing a lane the left of the steering wheel. The without using a turn signal in that control indicator will light when LDW direction. LDW uses a camera is on. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (69,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-69

If the LDW system is not functioning Fuel properly when lane markings are clearly visible, cleaning the Use of the recommended fuel is an windshield may help. important part of the proper maintenance of this vehicle. When LDW alerts may occur due to tar driving in the U.S. and Canada, to marks, shadows, cracks in the road, help keep the engine clean and @ temporary or construction lane When LDW is on, is green if maintain optimum vehicle markings, or other road LDW is available to warn of a lane performance, we recommend using imperfections. This is normal system departure. If the vehicle crosses a TOP TIER Detergent Gasolines. operation; the vehicle does not need detected lane marking without using See www.toptiergas.com for a list of service. Turn LDW off if these the turn signal in that direction, @ TOP TIER Detergent Gasolines. conditions continue. changes to amber and flashes. Additionally, there will be three beeps, or the driver seat will pulse three times, on the right or left, depending on the lane departure direction. When the System Does Not Seem to Work Properly The system may not detect lanes as well when there are: . Close vehicles ahead. . Sudden lighting changes, such as when driving through tunnels. . Banked roads. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (70,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-70 Driving and Operating

If the vehicle has a yellow fuel cap, available in some cities. If these malfunction indicator lamp may turn E85 or FlexFuel can be used in the gasolines comply with the on. If this occurs, see your dealer vehicle. See E85 or FlexFuel on previously described specification, for service. page 9-71. then they are acceptable to use. Use regular unleaded gasoline However, E85 (85% ethanol) and California Fuel meeting ASTM specification D4814 other fuels containing more than Requirements with a posted octane rating of 87 or 15% ethanol must be used only in If the vehicle is certified to meet higher. Do not use gasoline with an FlexFuel vehicles. California Emissions Standards, it is octane rating below 87, as it may designed to operate on fuels that cause engine damage and will lower { Caution meet California specifications. See fuel economy. Do not use fuel containing the underhood emission control Use of Seasonal Fuels methanol. It can corrode metal label. If this fuel is not available in Use summer and winter fuels in the parts in the fuel system and also states adopting California Emissions appropriate season. The fuels damage plastic and rubber parts. Standards, the vehicle will operate industry automatically modifies the That damage would not be satisfactorily on fuels meeting fuel for the appropriate season. covered under the vehicle federal specifications, but emission If fuel is left in the vehicle tank for warranty. control system performance might long periods of time, driving or be affected. The malfunction starting could be affected. Drive the indicator lamp could turn on and the Some gasolines, mainly high octane vehicle until the fuel is at one-half vehicle may not pass a smog-check racing gasolines, can contain an tank or less, then refuel with the test. See Malfunction Indicator octane-enhancing additive called current seasonal fuel. Lamp on page 5-20. If this occurs, methylcyclopentadienyl manganese return to your authorized dealer for Prohibited Fuels tricarbonyl (MMT). Do not use diagnosis. If it is determined that the gasolines and/or fuel additives with Gasolines containing oxygenates condition is caused by the type of MMT as they can reduce spark plug such as ethers and ethanol, as well fuel used, repairs may not be life and affect emission control as reformulated gasolines, are covered by the vehicle warranty. system performance. The GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (71,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-71

Fuels in Foreign gasoline additive recommended by The starting characteristics of E85 General Motors. It is available at or FlexFuel make it unsuitable for Countries your dealer. use when temperatures fall below If planning to drive in countries Do not use additives with E85 or -18°C (0°F). Use gasoline or add outside the U.S. or Canada, the FlexFuel. gasoline to the E85 or FlexFuel. proper fuel might be hard to find. Because E85 or FlexFuel has less Check regional auto club or fuel E85 or FlexFuel energy per liter (gallon) than retail brand websites for availability gasoline, the vehicle will need to be in the country where driving. Never Vehicles with fuel caps marked as refilled more often. See Filling the use leaded gasoline, fuel containing “E85” or FlexFuel can use either Tank on page 9-72. methanol, manganese, or any other unleaded gasoline or ethanol fuel fuel not recommended. Costly containing up to 85% ethanol (E85). repairs caused by use of improper All other vehicles should use only { Caution fuel would not be covered by the the unleaded gasoline as described Some additives are not vehicle warranty. in Fuel on page 9-69. compatible with E85 or FlexFuel The use of E85 or FlexFuel is and can harm the vehicle's fuel Fuel Additives encouraged when the vehicle is system. Do not add anything to To keep fuel systems clean, TOP designed to use it. E85 or FlexFuel E85 or FlexFuel. Damage caused TIER Detergent Gasoline is is made from renewable sources. by additives would not be covered recommended. See Fuel on Many fuel stations will not have an by the vehicle warranty. page 9-69. 85% ethanol fuel (E85) pump If TOP TIER Detergent Gasoline is available. Those stations that do not available, one bottle of Fuel have E85 should have a label System Treatment PLUS added to indicating the FlexFuel ethanol the fuel tank at every engine oil content. Do not use the fuel if the change can help. Fuel System ethanol content is greater than 85%. Treatment PLUS is the only GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (72,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-72 Driving and Operating

and state that E85 or gasoline can { Caution Warning (Continued) be used. See E85 or FlexFuel on page 9-71. Do not use fuel containing . Keep sparks, flames, and methanol. It can corrode metal smoking materials away parts in the fuel system and also from fuel. damage plastic and rubber parts. . Do not leave the fuel pump That damage would not be unattended. covered under the vehicle . Do not reenter the vehicle warranty. while pumping fuel. . Keep children away from the Filling the Tank fuel pump and never let children pump fuel. { Warning . Fuel can spray out if the fuel cap is opened too quickly. Fuel vapors and fuel fires burn This spray can happen if the To open the fuel door, push and violently and can cause injury or tank is nearly full, and is death. release the rearward center edge of more likely in hot weather. the door. . To help avoid injuries to you Open the fuel cap slowly and and others, read and follow wait for any hiss noise to stop To remove the fuel cap, turn it all the instructions on the fuel then unscrew the cap all slowly counterclockwise. The fuel pump island. the way. cap has a spring in it; if the cap is released too soon, it will spring back . Turn off the engine when to the right. refueling. The fuel cap is behind a hinged fuel While refueling, hang the tethered (Continued) door on the driver side of the vehicle. If the vehicle has E85 fuel fuel cap from the hook on the capability, the fuel cap will be yellow fuel door. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (73,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-73

Be careful not to spill fuel. Do not Filling a Portable Fuel top off or overfill the tank and wait a { Warning few seconds after you have finished Container pumping before removing the If a fire starts while you are nozzle. Clean fuel from painted refueling, do not remove the { Warning surfaces as soon as possible. See nozzle. Shut off the flow of fuel by Exterior Care on page 10-86. shutting off the pump or by Filling a portable fuel container notifying the station attendant. while it is in the vehicle can cause When replacing the fuel cap, insert Leave the area immediately. fuel vapors that can ignite either the tether in its hole before by static electricity or other tightening the cap. Turn the fuel cap means. You or others could be clockwise until it clicks. It will require badly burned and the vehicle more effort to turn the fuel cap on { Caution the last turn as you tighten it. Make could be damaged. Always: sure the cap is fully installed. The If a new fuel cap is needed, be . Use approved fuel diagnostic system can determine if sure to get the right type of cap containers. the fuel cap has been left off or from your dealer. The wrong type . Remove the container from improperly installed. This would of fuel cap may not fit properly, the vehicle, trunk, or pickup allow fuel to evaporate into the may cause the malfunction bed before filling. atmosphere. See Malfunction indicator lamp to light, and could . Indicator Lamp on page 5-20. damage the fuel tank and Place the container on the ground. The TIGHTEN GAS CAP message emissions system. See displays if the fuel cap is not Malfunction Indicator Lamp on . Place the nozzle inside the fill properly installed. page 5-20. opening of the container before dispensing fuel, and (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (74,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-74 Driving and Operating

. Do not tow a trailer during the Warning (Continued) Trailer Towing first 800 km (500 mi) to prevent damage to the engine, axle, keep it in contact with the fill General Towing or other parts. opening until filling is Information . complete. Then during the first 800 km Only use towing equipment that has (500 mi) of trailer towing, do not . Fill the container no more been designed for the vehicle. drive over 80 km/h (50 mph) and than 95% full to allow for Contact your dealer or trailering do not make starts at full throttle. expansion. dealer for assistance with preparing . Vehicles can tow in D (Drive). . Do not smoke, light matches, the vehicle for towing a trailer. Read Shift the transmission to a lower or use lighters while the entire section before towing a gear if the transmission shifts pumping fuel. trailer. too often under heavy loads and/ . Avoid using cell phones or For towing a disabled vehicle, see or hilly conditions. other electronic devices. Towing the Vehicle on page 10-81. . Do not use Adaptive Cruise For towing the vehicle behind Control when towing. another vehicle such as a motor . home, see Recreational Vehicle Turn off Park Assist when Towing on page 10-81. towing. . The Automatic Collision Driving Characteristics Preparation System should be and Towing Tips set to Off when towing. See Active Emergency Braking Driving with a Trailer System on page 9-63. When towing a trailer: . Become familiar with the state and local laws that apply to trailer towing. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (75,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-75

Towing a trailer requires a certain Passing { Warning amount of experience. The More passing distance is needed combination you are driving is when towing a trailer. The When towing a trailer, exhaust longer and not as responsive as the combination will not accelerate as gases may collect at the rear of vehicle itself. Get acquainted with quickly and is longer so it is the vehicle and enter if the the handling and braking of the rig necessary to go much farther liftgate, trunk/hatch, or rear-most before setting out for the open road. window is open. beyond the passed vehicle before Before starting, check all trailer hitch returning to the lane. When towing a trailer: parts and attachments, safety Backing Up . Do not drive with the liftgate, chains, electrical connectors, lamps, trunk/hatch, or rear-most tires, and mirrors. If the trailer has Hold the bottom of the steering window open. electric brakes, start the wheel with one hand. To move the combination moving and then apply trailer to the left, move that hand to . Fully open the air outlets on the trailer brake controller by hand the left. To move the trailer to the or under the instrument to be sure the brakes work. right, move your hand to the right. panel. During the trip, check occasionally Always back up slowly and, . Also adjust the climate to be sure that the load is secure if possible, have someone control system to a setting and the lamps and any trailer guide you. that brings in only outside air. brakes still work. See “Climate Control Making Turns Systems” in the Index. Following Distance For more information about Stay at least twice as far behind the { Caution Carbon Monoxide, see Engine vehicle ahead as you would when Making very sharp turns while driving the vehicle without a trailer. Exhaust on page 9-30. trailering could cause the trailer to This can help to avoid heavy come in contact with the vehicle. braking and sudden turns. (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (76,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-76 Driving and Operating

Vehicles can tow in D (Drive). Shift Parking on Hills Caution (Continued) the transmission to a lower gear if the transmission shifts too often { Warning The vehicle could be damaged. under heavy loads and/or hilly Avoid making very sharp turns conditions. Parking the vehicle on a hill with while trailering. When towing, use the Tow/Haul the trailer attached can be Mode to prevent damage to the dangerous. If something goes When turning with a trailer, make engine or transmission. See Tow/ wrong, the rig could start to move. wider turns than normal. Do this so Haul Mode on page 9-36. People can be injured, and both the trailer will not strike soft the vehicle and the trailer can be shoulders, curbs, road signs, trees, When towing at high altitude on steep uphill grades, consider the damaged. When possible, always or other objects. Avoid jerky or park the rig on a flat surface. sudden maneuvers. Signal well in following: Engine coolant will boil at advance. a lower temperature than at normal altitudes. If the engine is turned off If parking the rig on a hill: If the trailer turn signal bulbs burn immediately after towing at high out, the arrows on the instrument altitude on steep uphill grades, the 1. Press the brake pedal, but do cluster will still flash for turns. It is vehicle may show signs similar to not shift into P (Park) yet. Turn important to check occasionally to engine overheating. To avoid this, the wheels into the curb if facing be sure the trailer bulbs are still let the engine run while parked, downhill or into traffic if facing working. preferably on level ground, with the uphill. Driving on Grades transmission in P (Park) for a few 2. Have someone place chocks minutes before turning the engine under the trailer wheels. Reduce speed and shift to a lower off. If the overheat warning comes 3. When the wheel chocks are in gear before starting down a long or on, see Engine Overheating on place, release the regular brakes steep downgrade. If the page 10-18. transmission is not shifted down, the until the chocks absorb the load. brakes might get hot and no longer work well. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (77,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-77

4. Reapply the brake pedal. Then lubricant, belts, cooling system, and apply the parking brake and shift brake system. It is a good idea to Warning (Continued) into P (Park). inspect these before and during the trip. the vehicle warranty. Pull a trailer 5. Release the brake pedal. only if all the steps in this section Check periodically to see that all Leaving After Parking on a Hill have been followed. Ask your hitch nuts and bolts are tight. dealer for advice and information 1. Apply and hold the brake pedal. about towing a trailer with the 2. Start the engine. Trailer Towing vehicle. 3. Shift into a gear. Do not tow a trailer during break-in. See New Vehicle Break-In on 4. Release the parking brake. page 9-19. { Caution 5. Let up on the brake pedal. 6. Drive slowly until the trailer is { Warning Pulling a trailer improperly can clear of the chocks. damage the vehicle and result in The driver can lose control when costly repairs not covered by the 7. Stop and have someone pick up pulling a trailer if the correct vehicle warranty. To pull a trailer and store the chocks. equipment is not used or the correctly, follow the advice in this Maintenance when Trailer vehicle is not driven properly. For section and see your dealer for Towing example, if the trailer is too important information about heavy, the brakes may not work towing a trailer with the vehicle. The vehicle needs service more well — or even at all. The driver often when pulling a trailer. See and passengers could be Maintenance Schedule on seriously injured. The vehicle may To identify the trailering capacity of page 11-2. Things that are also be damaged; the resulting the vehicle, read the information in especially important in trailer repairs would not be covered by “Weight of the Trailer” following. operation are automatic transmission fluid, engine oil, axle (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (78,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-78 Driving and Operating

Trailering is different than just Trailer Weight Rating (TWR) is driving the vehicle by itself. calculated assuming the tow vehicle Trailering means changes in has only the driver and all required handling, acceleration, braking, trailering equipment. Weight of durability, and fuel economy. additional optional equipment, Successful, safe trailering takes passengers, and cargo in the tow correct equipment, and it has to be vehicle must be subtracted from the used properly. trailer weight rating. The following information has many Use the following chart to determine time-tested, important trailering tips how much the vehicle can weigh, and safety rules. Many of these are based upon the vehicle model and important for your safety and that of options. your passengers. So please read this section carefully before pulling a trailer. Weight of the Trailer How heavy can a trailer safely be? It depends on how the rig is used. Speed, altitude, road grades, outside temperature, and how much the vehicle is used to pull a trailer are all important. It can depend on any special equipment on the vehicle, and the amount of tongue weight the vehicle can carry. See “Weight of the Trailer Tongue” later in this section. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (79,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-79

Vehicle Axle Ratio Maximum Trailer Weight GCWR* 1500 Series 2WD Short Wheelbase 5.3LV8 3.08 2 948 kg (6,500 lb) 5 443 kg (12,000 lb) 5.3LV8 3.42 3 856kg (8,500 lb) 6 350 kg (14,000 lb) 1500 Series 2WD Long Wheelbase 5.3LV8 3.08 2 858 kg (6,300 lb) 5 443 kg (12,000 lb) 5.3LV8 3.42 3 765 kg (8,300 lb) 6 350 kg (14,000 lb) 1500 Series 4WD Short Wheelbase 5.3LV8 3.08 2 858 kg (6,300 lb) 5 443 kg (12,000 lb) 5.3LV8 3.42 3 719 kg (8,200 lb) 6 350 kg (14,000 lb) 1500 Series 4WD Long Wheelbase 5.3LV8 3.08 2 722 kg (6,000 lb) 5 443 kg (12,000 lb) 5.3LV8 3.42 3 629 kg (8,000 lb) 6 350 kg (14,000 lb) *The Gross Combination Weight Rating (GCWR) is the total allowable weight of the completely loaded vehicle and trailer including any passengers, cargo, equipment, and conversions. The GCWR for the vehicle should not be exceeded.

Ask your dealer for trailering information or advice. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (80,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-80 Driving and Operating

Weight of the Trailer Tongue The tongue load (1) of any trailer is very important because it is also part of the vehicle weight. The Gross Vehicle Weight (GVW) includes the curb weight of the vehicle, any cargo carried in it, and the people who will be riding in the vehicle as well as trailer tongue weight. Vehicle options, equipment, passengers, and cargo in the vehicle reduce the amount of tongue weight the vehicle can carry, Trailer tongue weight (1) should be which will also reduce the trailer 10 % to 15 % of the loaded trailer weight the vehicle can tow. See weight (2) up to the maximums for Vehicle Load Limits on page 9-14 vehicle series and hitch type. for more information about the vehicle's maximum load capacity. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (81,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-81

Maximum Tongue to exceed the GVWR limit for the Vehicle Series Hitch Type Weight vehicle, or the RGAWR, with the tow vehicle and trailer fully loaded for 1500 Weight Carrying 272 kg (600 lb) the trip including the weight of the 1500 Weight Distributing 453 kg (1,000 lb) trailer tongue. If using a weight-distributing hitch, make sure not to exceed the RGAWR before applying the weight distribution Do not exceed the maximum proper. If they are not, adjustments spring bars. allowable tongue weight for the might be made by moving some vehicle. Choose the shortest hitch items around in the trailer. Weight of the Trailering extension that will position the hitch If a cargo carrier is used in the Combination ball closest to the vehicle. This will trailer hitch receiver, choose a It is important that the combination help reduce the effect of trailer carrier that positions the load as tongue weight on the rear axle. of the tow vehicle and trailer does close to the vehicle as possible. not exceed any of its weight Trailer rating may be limited by the Make sure the total weight, ratings — GCWR, GVWR, RGAWR, vehicle's ability to carry tongue including the carrier, is no more than Trailer Weight Rating, or Tongue weight. Tongue weight cannot cause half of the maximum allowable Weight. The only way to be sure it is the vehicle to exceed the GVWR tongue weight for the vehicle or 227 not exceeding any of these ratings (Gross Vehicle Weight Rating) or kg (500 lb), whichever is less. is to weigh the tow vehicle and the RGAWR (Rear Gross Axle Total Weight on the Vehicle's trailer combination, fully loaded for Weight Rating). See “Total Weight the trip, getting individual weights on the Vehicle's Tires” following. Tires for each of these items. After loading the trailer, weigh the Be sure the vehicle's tires are trailer and then the tongue, inflated to the inflation pressures separately, to see if the weights are found on the Certification label on the center pillar or see Vehicle Load Limits on page 9-14. Make sure not GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (82,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-82 Driving and Operating

Towing Equipment Weight-Distributing Hitch the trailer to help prevent the tongue Adjustment from contacting the road if it Hitches becomes separated from the hitch. The correct hitch equipment helps Instructions about safety chains maintain combination control. Most may be provided by the hitch small-to-medium trailers can be manufacturer or by the trailer towed with a weight-carrying hitch manufacturer. If the trailer being which simply features a coupler towed weighs up to 2 271 kg latched to the hitch ball. Larger (5,000 lb) with a factory-installed trailers may require a step bumper, safety chains may be weight-distributing hitch that uses attached to the attaching points on spring bars to distribute the trailer the bumper, otherwise, safety tongue weight among the two chains should be attached to holes vehicle and trailer axles. See on the trailer hitch platform. Always leave just enough slack so the “Weight of the Trailer Tongue” in Trailer Towing on page 9-77 for combination can turn. Never allow rating limits with various hitch types. 1. Body to Ground Distance safety chains to drag on the ground. 2. Front of Vehicle Consider using sway controls with Trailer Brakes When using a weight-distributing any trailer. Ask a trailering A loaded trailer that weighs more professional about sway controls or hitch, the spring bars should be adjusted so the distance (1) is the than 900 kg (2,000 lb) needs to have refer to the trailer manufacturer's its own brake system that is recommendations and instructions. same after coupling the trailer to the tow vehicle and adjusting the hitch. adequate for the weight of the trailer. Be sure to read and follow Safety Chains the instructions for the trailer brakes so they are installed, adjusted, and Always attach chains between the maintained properly. vehicle and the trailer. Cross the safety chains under the tongue of GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (83,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-83

Since the vehicle is equipped with This will boost the vehicle system Tow/Haul Mode StabiliTrak, the trailer brakes cannot voltage and properly charge the tap into the vehicle's hydraulic battery. If the trailer is too light for system. Tow/Haul mode, turn on the headlamps as a second way to Trailer Wiring Harness boost the vehicle system and The seven-pin trailer connector is charge the battery. mounted in the bumper. This connector can be plugged into a Electric Brake Control Wiring seven-pin universal heavy-duty Provisions trailer connector available through These wiring provisions are your dealer. included with the vehicle as part of The seven-wire harness contains the trailer wiring package. These the following trailer circuits: provisions are for an electric brake controller. . Yellow: Left Stop/Turn Signal Pressing this button at the end of The harness should be installed by the shift lever turns on and off the . Green/Violet: Right Stop/Turn your dealer or a qualified service Tow/Haul Mode. Signal center. . Brown: Taillamps . White: Ground . Light Green: Back-up Lamps . Red/Green: Battery Feed . Dark Blue: Trailer Brake This indicator light on the instrument If charging a remote (non-vehicle) cluster comes on when the Tow/ battery, press the Tow/Haul mode Haul Mode is on. button at the end of the shift lever. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (84,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-84 Driving and Operating

Tow/Haul is a feature that assists Operating the vehicle in Tow/Haul This symbol is on the Trailer Brake when pulling a heavy trailer or a when lightly loaded or with no trailer Control Panel on vehicles with an large or heavy load. See Tow/Haul at all will not cause damage. ITBC system. The power output to Mode on page 9-36. However, there is no benefit to the the trailer brakes is based on the Tow/Haul is designed to be most selection of Tow/Haul when the amount of brake pressure being effective when the vehicle and vehicle is unloaded. Such a applied by the vehicle’s brake trailer combined weight is at least selection when unloaded may result system, and on the type of trailer 75 percent of the vehicle's Gross in unpleasant engine and brakes detected. This available Combined Weight Rating (GCWR). transmission driving characteristics power output to the trailer brakes and reduced fuel economy. Tow/ can be adjusted to a wide range of See “Weight of the Trailer” under Trailer Towing on page 9-77. Tow/ Haul is recommended only when trailering situations. Haul is most useful under the pulling a heavy trailer or a large or The ITBC system is integrated with heavy load. following driving conditions: the vehicle’s brake, antilock brake, and StabiliTrak systems. In trailering . When pulling a heavy trailer or a Integrated Trailer Brake large or heavy load through Control System conditions that cause the vehicle’s rolling terrain. antilock brake or StabiliTrak systems to activate, power sent to . When pulling a heavy trailer or a the trailer's brakes will be large or heavy load in automatically adjusted to minimize stop-and-go traffic. trailer wheel lock-up. This does not . When pulling a heavy trailer or a imply that the trailer has StabiliTrak. large or heavy load in busy If the vehicle’s brake, antilock brake, parking lots where improved low The vehicle may have an Integrated or StabiliTrak systems are not speed control of the vehicle is Trailer Brake Control (ITBC) system functioning properly, the ITBC desired. for use with electric trailer brakes or system may not be fully functional most electric-over-hydraulic trailer or may not function at all. Make sure brakes. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (85,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-85

all of these systems are fully Trailer Brake Control Panel along with the Trailer Brake Display operational to ensure full Page on the DIC to adjust and functionality of the ITBC system. display power output to the trailer The ITBC system is powered brakes. through the vehicle's electrical Trailer Brake DIC Display Page system. Turning the ignition off will also turn off the ITBC system. The The ITBC system displays ITBC system is fully functional only messages in the Driver Information when the ignition is in ON/RUN. Center (DIC). The display page indicates Trailer { Warning Gain setting, power output to the trailer brakes, trailer connection, and Connecting a trailer that has an system operational status. air brake system may result in To display the Trailer Brake Display reduced or complete loss of trailer 1. Manual Trailer Brake Apply Page do any of the following: braking. There may be an Lever . Scroll through the DIC menu increase in stopping distance or 2. Trailer Gain Adjustment pages. trailer instability which could Buttons . Press a Trailer Gain button. result in personal injury or The ITBC system has a control damage to the vehicle, trailer, If the Trailer Brake Display Page panel on the instrument panel to the is not currently displayed, press or other property. Use the ITBC left of the steering column. The system only with electric or a Trailer Gain button to recall the control panel allows adjustment to current Trailer Gain setting. electric over hydraulic trailer the amount of output, referred to as brakes. Each press and release of the Trailer Gain, available to the trailer gain buttons will then change the brakes and allows manual Trailer Gain setting. application of the trailer brakes. The Trailer Brake Control Panel is used GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (86,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-86 Driving and Operating

. Activate the Manual Trailer . A trailer with electric brakes has The trailer's and the vehicle's brake Brake apply lever. become disconnected (a lamps will come on when either TRAILER GAIN: This setting can be CHECK TRAILER WIRING vehicle brakes or manual trailer adjusted from 0.0 to 10.0 with either message will also display on brakes are applied. the DIC). a trailer connected or disconnected. Trailer Gain Adjustment Procedure To adjust the Trailer Gain, press one . There is a fault present in the of the Trailer Gain adjustment wiring to the trailer brakes (a Trailer Gain should be set for a buttons. Press and hold a gain CHECK TRAILER WIRING specific trailering condition and must button to continuously adjust the message will also display on be adjusted any time vehicle Trailer Gain. To turn the output to the DIC). loading, trailer loading, or road the trailer off, adjust the Trailer Gain surface conditions change. . The ITBC system is not working setting to 0.0 (zero). due to a fault (a SERVICE TRAILER OUTPUT: Displays any TRAILER BRAKE SYSTEM { Warning time a trailer with electric brakes is message will also display in Trailer brakes that are connected. Output to the trailer the DIC). over-gained or under-gained may brakes is based on the amount of vehicle braking present and relative Manual Trailer Brake Apply not stop the vehicle and the trailer to the Trailer Gain setting. Output is The Manual Trailer Brake Apply as intended and can result in a displayed from 0 to 100% for each Lever is used to apply the trailer’s crash. Always follow the gain setting. electric brakes independent of the instructions to set the Trailer Gain vehicle s brakes. Sliding the lever to for the proper trailer stopping The Trailer Output will indicate “--- ’ the left will apply only the trailer performance. ---” on the Trailer Brake Display Page whenever the following occur: brakes. Use this lever to adjust Trailer Gain to properly adjust the . No trailer is connected. power output to the trailer brakes. . A trailer without electric brakes is connected (no DIC message displayed). GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (87,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-87

Use the following to adjust Trailer 3. Readjust Trailer Gain any time CHECK TRAILER WIRING: This Gain for each towing condition: vehicle loading, trailer loading, message will display if: or road surface conditions 1. Drive the vehicle with the trailer . The ITBC system first attached on a level road surface change or if trailer wheel lock-up determines connection to a representative of the towing is noticed at any time while trailer with electric brakes and condition and free of traffic at towing. then the trailer harness becomes about 32 to 40 km/h (20 to Other ITBC-Related DIC Messages disconnected from the vehicle. 25 mph) and fully apply the If the disconnect occurs while Manual Trailer Brake apply lever. In addition to displaying TRAILER GAIN and OUTPUT through the the vehicle is stationary, this Adjusting Trailer Gain at speeds DIC, trailer connection and ITBC message will automatically turn lower than 32 to 40 km/h (20 to system status are displayed on off in about 30 seconds. This 25 mph) may result in an the DIC. message will also turn off if it is incorrect gain setting. acknowledged or if the trailer TRAILER CONNECTED: This harness is reconnected. 2. Adjust the Trailer Gain, using the message will briefly display when a Trailer Gain adjustment buttons, trailer with electric brakes is first If the disconnect occurs while to just below the point of trailer connected to the vehicle. This the vehicle is moving, this wheel lock-up, indicated by message will automatically turn off message will continue until the trailer wheel squeal or tire in about 10 seconds. This message ignition is turned off. This smoke when a trailer wheel can be acknowledged before it message will also turn off if it is locks. automatically turns off. acknowledged or if the trailer Trailer wheel lock-up may not harness is reconnected. occur if towing a heavily loaded . There is an electrical fault in the trailer. In this case, adjust the wiring to the trailer brakes. This Trailer Gain to the highest message will continue as long allowable setting for the towing as there is an electrical fault in condition. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (88,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-88 Driving and Operating

the trailer wiring. This message continues over multiple ignition Trailer Sway will also turn off if it is cycles, there is a problem with the acknowledged. ITBC system. Have the vehicle Control (TSC) To determine if the electrical fault is serviced. Vehicles with StabiliTrak have a on the vehicle side or trailer side of If either the CHECK TRAILER TSC feature. Trailer sway is the trailer wiring harness WIRING or SERVICE TRAILER unintended side-to-side motion of a connection: BRAKE SYSTEM message displays trailer while being towed. If the while driving, the ITBC system may vehicle is towing a trailer and the 1. Disconnect the trailer wiring TSC detects that sway is increasing, harness from the vehicle. not be fully functional or may not function at all. When traffic the vehicle brakes are selectively 2. Turn the ignition off. conditions allow, carefully pull the applied at each wheel, to help vehicle over to the side of the road reduce excessive trailer sway. If the 3. Wait 10 seconds, then turn the vehicle is equipped with the ignition back to RUN. and turn the ignition off. Check the wiring connection to the trailer and Integrated Trailer Brake Control 4. If the CHECK TRAILER WIRING turn the ignition back on. If either of (ITBC) system, and the trailer has message reappears, the these messages continues, either the electric actuated brake system, electrical fault is on the the vehicle or trailer needs service. StabiliTrak may also apply the trailer vehicle side. brakes. A GM dealer may be able to If the CHECK TRAILER WIRING diagnose and repair problems with If TSC is enabled, the Traction message only reappears when the trailer. However, any diagnosis Control System (TCS)/StabiliTrak connecting the trailer wiring and repair of the trailer is not warning light will flash on the harness to the vehicle, the covered under the vehicle warranty. instrument cluster. Vehicle speed electrical fault is on the Contact your trailer dealer for must be reduced. If trailer sway trailer side. assistance with trailer repairs and continues, StabiliTrak can reduce engine torque to help slow the SERVICE TRAILER BRAKE trailer warranty information. vehicle. See Traction Control/ SYSTEM: This message will display Electronic Stability Control on when there is a problem with the page 9-44. ITBC system. If this message GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (89,1) Mexico-8431503) - 2015 - crc - 8/11/14

Driving and Operating 9-89

{ Warning Conversions and Add-Ons Even if the vehicle is equipped with TSC, trailer sway could result Add-On Electrical in loss of control and the vehicle could crash. If excessive trailer Equipment sway is detected, slow down to a safe speed. Check the trailer and { Caution vehicle to help correct possible causes. These could include an Some electrical equipment can improperly or overloaded trailer, damage the vehicle or cause unrestrained cargo, improper components to not work and trailer hitch configuration, would not be covered by the excessive vehicle-trailer speed, warranty. Always check with your or improperly inflated or incorrect dealer before adding electrical vehicle or trailer tires. See Towing equipment. Equipment on page 9-82 for trailer ratings and hitch setup Add-on equipment can drain the recommendations. vehicle's 12-volt battery, even if the vehicle is not operating. Adding non-dealer accessories can The vehicle has an airbag system. affect the vehicle performance. See Before attempting to add anything Accessories and Modifications on electrical to the vehicle, see page 10-3. Servicing the Airbag-Equipped Vehicle on page 3-40 and Adding Equipment to the Airbag-Equipped Vehicle on page 3-40. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (90,1) Mexico-8431503) - 2015 - crc - 8/11/14

9-90 Driving and Operating

2 NOTES GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (1,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-1

Brake Fluid ...... 10-21 Taillamps, Turn Signal, Vehicle Care Battery ...... 10-23 Stoplamps, and Back-Up Four-Wheel Drive ...... 10-24 Lamps ...... 10-31 Front Axle ...... 10-24 License Plate Lamp ...... 10-32 General Information Rear Axle ...... 10-25 Replacement Bulbs ...... 10-33 General Information ...... 10-2 Noise Control System ...... 10-26 California Proposition Starter Switch Check ...... 10-27 Electrical System 65 Warning ...... 10-2 Automatic Transmission Shift Electrical System California Perchlorate Lock Control Function Overload ...... 10-33 Materials Requirements . . . . 10-3 Check ...... 10-27 Fuses ...... 10-33 Accessories and Ignition Transmission Lock Engine Compartment Fuse Modifications ...... 10-3 Check ...... 10-27 Block ...... 10-34 Park Brake and P (Park) Instrument Panel Fuse Vehicle Checks Block (Left) ...... 10-38 Doing Your Own Mechanism Check ...... 10-28 Wiper Blade Instrument Panel Fuse Block Service Work ...... 10-3 (Right) ...... 10-40 Hood ...... 10-4 Replacement ...... 10-28 Glass Replacement ...... 10-29 Rear Compartment Fuse Engine Compartment Block ...... 10-43 Overview ...... 10-5 Windshield Replacement . . . 10-29 Engine Oil ...... 10-6 Headlamp Aiming Wheels and Tires Engine Oil Life System ...... 10-9 Headlamp Aiming ...... 10-29 Tires ...... 10-44 Automatic Transmission All-Season Tires ...... 10-45 Fluid ...... 10-10 Bulb Replacement Winter Tires ...... 10-45 Engine Air Cleaner/Filter . . . . 10-13 Bulb Replacement ...... 10-30 Low-Profile Tires ...... 10-46 Cooling System ...... 10-14 High Intensity Discharge All-Terrain Tires ...... 10-46 Engine Coolant ...... 10-15 (HID) Lighting ...... 10-30 Tire Sidewall Labeling ...... 10-46 Engine Overheating ...... 10-18 LED Lighting ...... 10-30 Tire Designations ...... 10-48 Engine Fan ...... 10-19 Headlamps ...... 10-30 Tire Terminology and Washer Fluid ...... 10-20 Front Turn Signal Lamps . . . 10-30 Definitions ...... 10-49 Brakes ...... 10-20 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (2,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-2 Vehicle Care

Tire Pressure ...... 10-51 Towing the Vehicle General Information Tire Pressure for High-Speed Towing the Vehicle ...... 10-81 Operation ...... 10-53 Recreational Vehicle For service and parts needs, visit Tire Pressure Monitor Towing ...... 10-81 your dealer. You will receive System ...... 10-53 genuine GM parts and GM-trained Tire Pressure Monitor Appearance Care and supported service people. Operation ...... 10-54 Exterior Care ...... 10-86 Interior Care ...... 10-91 Genuine GM parts have one of Tire Inspection ...... 10-58 these marks: Tire Rotation ...... 10-58 Floor Mats ...... 10-94 When It Is Time for New Tires ...... 10-59 Buying New Tires ...... 10-60 Different Size Tires and Wheels ...... 10-62 Uniform Tire Quality Grading ...... 10-62 Wheel Alignment and Tire Balance ...... 10-64 Wheel Replacement ...... 10-64 Tire Chains ...... 10-65 If a Tire Goes Flat ...... 10-66 Tire Changing ...... 10-67 Full-Size Spare Tire ...... 10-77 California Proposition Jump Starting 65 Warning Jump Starting ...... 10-78 Most motor vehicles, including this one, contain and/or emit chemicals known to the State of California to GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (3,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-3

cause cancer and birth defects or handling, emissions systems, Vehicle Checks other reproductive harm. Engine aerodynamics, durability, and exhaust, many parts and systems, electronic systems like antilock many fluids, and some component brakes, traction control, and stability Doing Your Own wear by-products contain and/or control. These accessories or Service Work emit these chemicals. modifications could even cause malfunction or damage not covered { Warning California Perchlorate by the vehicle warranty. Materials Requirements Damage to vehicle components It can be dangerous to work on resulting from modifications or the your vehicle if you do not have Certain types of automotive installation or use of non GM the proper knowledge, service applications, such as airbag ‐ certified parts, including control manual, tools, or parts. Always initiators, safety belt pretensioners, module or software modifications, is follow owner manual procedures and lithium batteries contained in not covered under the terms of the and consult the service manual Remote Keyless Entry transmitters, vehicle warranty and may affect for your vehicle before doing any may contain perchlorate materials. remaining warranty coverage for service work. Special handling may be necessary. affected parts. For additional information, see www.dtsc.ca.gov/hazardouswaste/ GM Accessories are designed to If doing some of your own service perchlorate. complement and function with other work, use the proper service systems on the vehicle. See your manual. It tells you much more Accessories and dealer to accessorize the vehicle about how to service the vehicle Modifications using genuine GM Accessories than this manual can. To order the installed by a dealer technician. proper service manual, see Service Adding non‐dealer accessories or Also, see Adding Equipment to the Publications Ordering Information making modifications to the vehicle Airbag-Equipped Vehicle on on page 13-11. can affect vehicle performance and page 3-40. safety, including such things as airbags, braking, stability, ride and GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (4,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-4 Vehicle Care

This vehicle has an airbag system. Hood 2. Go to the front of the vehicle to Before attempting to do your own find the secondary hood release. service work, see Servicing the To open the hood: The handle is under the front Airbag-Equipped Vehicle on edge of the hood near the page 3-40. center. Push the handle to the Keep a record with all parts receipts right and at the same time raise and list the mileage and the date of the hood. any service work performed. See Before closing the hood, be sure all Maintenance Records on the filler caps are on properly. Then page 11-15. 1. Pull the handle with this symbol bring the hood from full open to on it. It is inside the vehicle within 15 cm (6 in) from the closed { Caution under the steering wheel. position, pause, and push the front center of the hood with a swift, firm Even small amounts of motion to fully close the hood. contamination can cause damage to vehicle systems. Do not allow contaminants to contact the fluids, reservoir caps, or dipsticks. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (5,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-5

Engine Compartment Overview GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (6,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-6 Vehicle Care

1. Positive (+) Terminal. See Jump 10. Windshield Washer Fluid . Change the engine oil at the Starting on page 10-78. Reservoir. See “Adding Washer appropriate time. See Engine Oil Life System on page 10-9. 2. Battery on page 10-23. Fluid” under Washer Fluid on page 10-20. . Always dispose of engine oil 3. Coolant Surge Tank and 11. Brake Fluid Reservoir. See properly. See “What to Do with Pressure Cap. See Cooling Used Oil” in this section. System on page 10-14. Brake Fluid on page 10-21. 4. Engine Air Cleaner/Filter on 12. Engine Compartment Fuse Checking Engine Oil page 10-13. Block on page 10-34. If equipped, the ENGINE OIL LOW 5. Automatic Transmission ADD OIL message displays when Engine Oil the engine oil level may be too low. Dipstick. See “How to Check See Engine Oil Messages on Automatic Transmission Fluid” To ensure proper engine under Automatic Transmission performance and long life, careful page 5-34. Check the oil level Fluid on page 10-10. attention must be paid to engine oil. before filling to the recommended Following these simple, but level. If the oil is not low and this 6. Remote Negative (–) Location important steps will help protect message remains on, see your (Out of View). See Jump Starting your investment: dealer. on page 10-78. . Always use engine oil approved It is also a good idea to check the 7. Engine Cooling Fans (Out of to the proper specification and of engine oil level at each fuel fill. In View). See Cooling System on the proper viscosity grade. See order to get an accurate reading, page 10-14. “Selecting the Right Engine Oil” the vehicle must be on level ground. 8. Engine Oil Fill Cap. See “When in this section. The engine oil dipstick handle is a loop. See Engine Compartment to Add Engine Oil” under Engine . Check the engine oil level Oil on page 10-6. Overview on page 10-5 for the regularly and maintain the location of the engine oil dipstick. 9. Engine Oil Dipstick. See proper oil level. See “Checking “Checking Engine Oil” under Engine Oil” and “When to Add Engine Oil on page 10-6. Engine Oil” in this section. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (7,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-7

Obtaining an accurate oil level When to Add Engine Oil reading is essential: Caution (Continued) 1. If the engine has been running have an oil level above the recently, turn off the engine and operating range, i.e., the engine allow several minutes for the oil has so much oil that the oil level to drain back into the oil pan. gets above the cross-hatched Checking the oil level too soon area that shows the proper after engine shutoff will not operating range, the engine could provide an accurate oil level If the oil is below the cross-hatched be damaged. You should drain reading. area at the tip of the dipstick, add out the excess oil or limit driving 1 L (1 qt) of the recommended oil of the vehicle and seek a service { Warning and then recheck the level. See professional to remove the “Selecting the Right Engine Oil” in excess amount of oil. The engine oil dipstick handle this section for an explanation of may be hot; it could burn you. what kind of oil to use. For engine Use a towel or glove to touch the oil crankcase capacity, see See Engine Compartment Overview dipstick handle. Capacities and Specifications on on page 10-5 for the location of the page 12-2. engine oil fill cap. 2. Pull out the dipstick and wipe it Add enough oil to put the level with a clean paper towel or cloth, { Caution somewhere in the proper operating then push it back in all the way. range. Push the dipstick all the way Remove it again, keeping the tip Do not add too much oil. Oil back in when through. down, and check the level. levels above or below the acceptable operating range shown on the dipstick are harmful to the engine. If you find that you (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (8,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-8 Vehicle Care

Selecting the Right Engine Oil Engine Oil Additives/Engine { Caution Selecting the right engine oil Oil Flushes depends on both the proper oil Failure to use the recommended Do not add anything to the oil. The specification and viscosity grade. engine oil can result in engine recommended oils meeting the See Recommended Fluids and damage not covered by the dexos1 specification are all that is Lubricants on page 11-12. vehicle warranty. Check with your needed for good performance and engine protection. Specification dealer or service provider on whether the oil is approved to the Engine oil system flushes are not Ask for and use engine oils that dexos1 specification. recommended and could cause meet the dexos1™ specification. engine damage not covered by the Engine oils that have been Viscosity Grade vehicle warranty. approved by GM as meeting the dexos1 specification are marked Use SAE 0W-20 viscosity grade What to Do with Used Oil with the dexos1 approved logo. See engine oil. Used engine oil contains certain www.gmdexos.com. When selecting an oil of the elements that can be unhealthy for appropriate viscosity grade, always your skin and could even cause select an oil of the correct cancer. Do not let used oil stay on specification. See “Specification” your skin for very long. Clean your earlier in this section for more skin and nails with soap and water, information. or a good hand cleaner. Wash or properly dispose of clothing or rags containing used engine oil. See the manufacturer's warnings about the use and disposal of oil products. Used oil can be a threat to the environment. If you change your own oil, be sure to drain all the oil GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (9,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-9

from the filter before disposal. Never necessary. See Engine Oil How to Reset the Engine Oil dispose of oil by putting it in the Messages on page 5-34. Change Life System trash or pouring it on the ground, the oil as soon as possible within into sewers, or into streams or the next 1 000 km (600 mi). It is Reset the system whenever the bodies of water. Recycle it by taking possible that, if driving under the engine oil is changed so that the it to a place that collects used oil. best conditions, the oil life system system can calculate the next might indicate that an oil change is engine oil change. Always reset the Engine Oil Life System not necessary for up to a year. The engine oil life to 100% after every oil engine oil and filter must be change. It will not reset itself. To When to Change Engine Oil changed at least once a year and, reset the engine oil life system: This vehicle has a computer system at this time, the system must be 1. Display the OIL LIFE that indicates when to change the reset. For vehicles without the REMAINING on the DIC. If the engine oil and filter. This is based CHANGE ENGINE OIL SOON vehicle does not have DIC on a combination of factors which message, an oil change is needed buttons, the vehicle must be in include engine revolutions, engine when the OIL LIFE REMAINING P (Park) to access this display. temperature, and miles driven. percentage is near 0%. Your dealer See Driver Information Center Based on driving conditions, the has trained service people who will (DIC) on page 5-28. perform this work and reset the mileage at which an oil change is 2. Press and hold V, or the trip indicated can vary considerably. For system. It is also important to check odometer reset stem if the the oil life system to work properly, the oil regularly over the course of vehicle does not have DIC the system must be reset every time an oil drain interval and keep it at buttons, for several seconds. the oil is changed. the proper level. The oil life will change to 100%. On some vehicles, when the system If the system is ever reset The oil life system can also be reset has calculated that oil life has been accidentally, the oil must be as follows: diminished, a CHANGE ENGINE changed at 5 000 km (3,000 mi) OIL SOON message comes on to since the last oil change. 1. Turn the ignition to ON/RUN with indicate that an oil change is Remember to reset the oil life the engine off. system whenever the oil is changed. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (10,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-10 Vehicle Care

2. Fully press the accelerator pedal fluid level. However, if there is a How to Check Automatic slowly three times within large leak, then it may be necessary Transmission Fluid five seconds. to have the vehicle towed to a 3. Display the OIL LIFE dealer service department and have { Caution REMAINING on the DIC. If the it repaired before driving the vehicle display shows 100%, the system further. Too much or too little fluid can is reset. damage the transmission. Too { Caution much can mean that some of the If the vehicle has a CHANGE ENGINE OIL SOON message and it fluid could come out and fall on Use of the incorrect automatic hot engine parts or exhaust comes back on when the vehicle is transmission fluid may damage started and/or the OIL LIFE system parts, starting a fire. Too the vehicle, and the damage may little fluid could cause the REMAINING is near 0%, the engine not be covered by the vehicle oil life system has not been reset. transmission to overheat. Be sure warranty. Always use the Repeat the procedure. to get an accurate reading if automatic transmission fluid listed checking the transmission fluid. in Recommended Fluids and Automatic Transmission Lubricants on page 11-12. Fluid Before checking the fluid level, prepare the vehicle: When to Check and Change Change the fluid and filter at the Automatic Transmission Fluid scheduled maintenance intervals 1. Start the engine and park the listed in Maintenance Schedule on vehicle on a level surface. Keep It is usually not necessary to check page 11-2. Be sure to use the the engine running. the transmission fluid level. The only transmission fluid listed in 2. Apply the parking brake and reason for fluid loss is a Recommended Fluids and place the shift lever in P (Park). transmission leak or overheated Lubricants on page 11-12. transmission. If a small leak is 3. With your foot on the brake suspected, then use the following pedal, move the shift lever checking procedures to check the through each gear range, GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (11,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-11

pausing for about three seconds Cold Check Procedure 2. Flip the handle up, then pull out in each range. Then, move the Use this procedure only as a the dipstick and wipe it with a shift lever back to P (Park). reference to determine if the clean rag or paper towel. 4. Allow the engine to idle (500– transmission has enough fluid to be 3. Install the dipstick by pushing it 800 rpm) for at least one minute. operated safely until a hot check back in all the way; wait Slowly release the brake pedal. procedure can be made. The hot three seconds, and then pull it 5. Keep the engine running and check procedure is the most back out again. check the transmission fluid accurate method to check the fluid 4. Check both sides of the dipstick temperature on the Driver level. Perform the hot check and read the lower level. Repeat Information Center (DIC). See procedure at the first opportunity. the check procedure to verify the Driver Information Center (DIC) Use this cold check procedure to reading. on page 5-28. check fluid level when the transmission temperature is 6. Using the transmission fluid between 27°C and 32°C (80°F and temperature reading, determine 90°F). and perform the appropriate check procedure. If the transmission fluid temperature reading is not within the required temperature ranges, allow the 5. If the fluid level is below the vehicle to cool, or operate the COLD check band, add only vehicle until the appropriate enough fluid as necessary to transmission fluid temperature is 1. Locate the transmission dipstick bring the level into the COLD reached. at the rear of the engine band. It does not take much compartment, on the passenger fluid, generally less than 0.5 L (1 side of the vehicle. pt). Do not overfill. See Engine Compartment Overview on page 10-5. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (12,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-12 Vehicle Care

6. Perform a hot check at the first opportunity after the transmission reaches a normal operating temperature between 71°C to 93°C (160°F to 200°F). 7. If the fluid level is in the acceptable range, push the 1. Locate the transmission dipstick at the rear of the engine 5. Safe operating level is within the dipstick back in all the way, then HOT cross hatch band on the flip the handle down to lock the compartment, on the passenger side of the vehicle. dipstick. If the fluid level is not dipstick in place. within the HOT band, and the See Engine Compartment Hot Check Procedure transmission temperature is Overview on page 10-5. between 71°C and 93°C (160°F Use this procedure to check the 2. Flip the handle up, then pull out and 200°F), add or drain fluid as transmission fluid level when the the dipstick and wipe it with a necessary to bring the level into transmission fluid temperature is clean rag or paper towel. the HOT band. If the fluid level is between 71°C and 93°C (160°F and low, add only enough fluid to 200°F). 3. Install the dipstick by pushing it bring the level into the HOT back in all the way; wait The hot check is the most accurate band. It does not take much three seconds, and then pull it method to check the fluid level. The fluid, generally less than 0.5 L (1 back out again. hot check should be performed at pt). Do not overfill. the first opportunity in order to verify 4. Check both sides of the dipstick 6. If the fluid level is in the the cold check. The fluid level rises and read the lower level. Repeat acceptable range, push the as fluid temperature increases, so it the check procedure to verify the dipstick back in all the way, then is important to ensure the reading. flip the handle down to lock the transmission temperature is within dipstick in place. range. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (13,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-13

Consistency of Readings How to Inspect the Engine Air 1. Screws (4) Always check the fluid level at least Cleaner/Filter 2. Electrical Connector 3. Air Duct Clamp twice using the procedure described To inspect the air cleaner/filter, previously. Consistency (repeatable remove the engine air cleaner/filter 1. Locate the air cleaner/filter readings) is important to maintaining from the vehicle by following assembly. See Engine proper fluid level. If readings are still Steps 1-8. When the engine air Compartment Overview on inconsistent, contact the dealer. cleaner/filter is removed, lightly page 10-5. shake it to release loose dust and 2. Disconnect the outlet duct by Engine Air Cleaner/Filter dirt. If the engine air cleaner/filter loosening the air duct clamp (3). remains covered with dirt, a new See Engine Compartment Overview filter is required. Never use 3. Disconnect the electrical on page 10-5 for the location of the compressed air to clean the filter. connector (2) and the connector engine air cleaner/filter. harness from the cover. Replacing the Engine Air Cleaner/ When to Inspect the Engine Air Filter 4. Remove the four screws (1) on Cleaner/Filter top of the cover of the housing and lift up the cover. Inspect the air cleaner/filter at the scheduled maintenance intervals 5. Remove the engine air cleaner/ and replace it at the first oil change filter from the housing. Take care after each 80 000 km (50,000 mi) to dislodge as little dirt as interval. See Maintenance Schedule possible. on page 11-2. If driving in dusty/dirty 6. Clean the engine air cleaner/ conditions, inspect the filter at each filter sealing surfaces and the engine oil change. housing. 7. Inspect or replace the engine air cleaner/filter. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (14,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-14 Vehicle Care

8. Reverse Steps 2-4 to reinstall Cooling System the filter cover housing. { Warning The cooling system allows the engine to maintain the correct An electric engine cooling fan can { Warning working temperature. start even when the engine is not Operating the engine with the air running. To avoid injury, always cleaner/filter off can cause you or keep hands, clothing, and tools others to be burned. The air away from any engine cleaner not only cleans the air; it cooling fan. helps to stop flames if the engine backfires. Use caution when working on the engine and do not { Warning drive with the air cleaner/filter off. Heater and radiator hoses, and other engine parts, can be very hot. Do not touch them. If you do, { Caution you can be burned. If the air cleaner/filter is off, dirt 1. Coolant Surge Tank Do not run the engine if there is a can easily get into the engine, leak. If you run the engine, it 2. Coolant Surge Tank which could damage it. Always Pressure Cap could lose all coolant. That could have the air cleaner/filter in place 3. Engine Electric cause an engine fire, and you when you are driving. Cooling Fan(s) could be burned. Get any leak fixed before you drive the vehicle. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (15,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-15

What to Use Use a 50/50 mixture of clean, { Caution drinkable water and DEX-COOL { Warning coolant. If using this mixture, Using coolant other than nothing else needs to be added. DEX-COOL® can cause Adding only plain water or some This mixture: premature engine, heater core, other liquid to the cooling system . or radiator corrosion. In addition, Gives freezing protection down can be dangerous. Plain water the engine coolant could require to −37°C (−34°F), outside and other liquids, can boil before changing sooner. Any repairs temperature. the proper coolant mixture will. would not be covered by the . Gives boiling protection up to The coolant warning system is set vehicle warranty. Always use 129°C (265°F), engine for the proper coolant mixture. DEX-COOL (silicate-free) coolant temperature. With plain water or the wrong in the vehicle. . mixture, the engine could get too Protects against rust and hot but you would not get the corrosion. Engine Coolant overheat warning. The engine . Will not damage aluminum parts. could catch fire and you or others The cooling system in the vehicle is . Helps keep the proper engine could be burned. Use a 50/ filled with DEX-COOL® engine temperature. 50 mixture of clean, drinkable coolant. This coolant is designed to remain in the vehicle for 5 years or water and DEX-COOL coolant. { Caution 240 000 km (150,000 mi), whichever occurs first. If improper coolant mixture, The following explains the cooling inhibitors, or additives are used in system and how to check and add the vehicle cooling system, the coolant when it is low. If there is a engine could overheat and be problem with engine overheating, damaged. Too much water in the see Engine Overheating on (Continued) page 10-18. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (16,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-16 Vehicle Care

Checking Coolant Caution (Continued) The coolant surge tank is in the mixture can freeze and crack engine compartment on the engine cooling parts. The repairs passenger side of the vehicle. See would not be covered by the Engine Compartment Overview on vehicle warranty. Use only the page 10-5. proper mixture of engine coolant The vehicle must be on a level for the cooling system. See surface when checking the coolant Recommended Fluids and level. Lubricants on page 11-12. Check to see if coolant is visible in the coolant surge tank. If the coolant Never dispose of engine coolant by inside the coolant surge tank is How to Add Coolant to the putting it in the trash, or by pouring boiling, wait until it cools down. The Coolant Surge Tank it on the ground, or into sewers, coolant level should be at or above the FULL COLD mark. If it is not, streams, or bodies of water. Have { Warning the coolant changed by an there may be a leak in the cooling authorized service center, familiar system. You can be burned if you spill with legal requirements regarding If coolant is visible but the coolant coolant on hot engine parts. used coolant disposal. This will help level is not at or above the FULL Coolant contains ethylene glycol protect the environment and your COLD mark, see “How to Add and it will burn if the engine parts health. Coolant to the Coolant Surge Tank,” are hot enough. Do not spill following. coolant on a hot engine. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (17,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-17

4. With the coolant surge tank { Caution pressure cap off, start the engine and let it run until the This vehicle has a specific engine coolant temperature coolant fill procedure. Failure to gauge indicates approximately follow this procedure could cause 90°C (195°F). the engine to overheat and be 1. Remove the coolant surge tank severely damaged. By this time, the coolant level pressure cap when the cooling inside the coolant surge tank system, including the coolant may be lower. If the level is surge tank pressure cap and lower, add more of the proper upper radiator hose, is no { Warning mixture to the coolant surge tank longer hot. until the level reaches the FULL Steam and scalding liquids from a Turn the pressure cap slowly COLD mark. hot cooling system can blow out counterclockwise about one full 5. Replace the pressure cap tightly. and burn you badly. Never turn turn. If a hiss is heard, wait for the cap when the cooling system, that to stop. A hiss means there 6. Verify coolant level after the including the surge tank pressure is still some pressure left. engine is shut off and the coolant is cold. If necessary, cap, is hot. Wait for the cooling 2. Keep turning the pressure cap system and surge tank pressure repeat coolant fill procedure slowly, and remove it. Steps 1 6. cap to cool. – 3. Fill the coolant surge tank with the proper mixture to the FULL If no coolant is visible in the surge COLD mark. tank, add coolant. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (18,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-18 Vehicle Care

In addition, there are ENGINE If Steam is Coming from the { Caution OVERHEATED STOP ENGINE, Engine Compartment ENGINE OVERHEATED IDLE If the pressure cap is not tightly ENGINE, and ENGINE POWER IS { Warning installed, coolant loss and REDUCED messages in the Driver possible engine damage may Information Center (DIC). See Steam from an overheated engine occur. Be sure the cap is properly Engine Cooling System Messages can burn you badly, even if you and tightly secured. on page 5-33 and Engine Power just open the hood. Stay away Messages on page 5-35. from the engine if you see or hear Engine Overheating If the decision is made not to lift the steam coming from it. Just turn it hood when this warning appears, off and get everyone away from { Caution get service help right away. the vehicle until it cools down. If the decision is made to lift the Wait until there is no sign of Running the engine without hood, make sure the vehicle is steam or coolant before you open coolant may cause damage or a parked on a level surface. the hood. fire. Vehicle damage would not be Check to see if the engine cooling If you keep driving when the covered by the vehicle warranty. fan(s) are running. If the engine is engine is overheated, the liquids overheating, the fans should be in it can catch fire. You or others The vehicle has several indicators running. If they are not, do not could be badly burned. Stop the to warn of engine overheating. continue to run the engine and have engine if it overheats, and get out the vehicle serviced. There is a coolant temperature of the vehicle until the engine gauge in the vehicle's instrument is cool. cluster. See Engine Coolant Temperature Gauge on page 5-16. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (19,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-19

If No Steam is Coming from 2. Turn the heater on to the highest as normal idle speed for at least the Engine Compartment temperature and to the highest five minutes while the vehicle is fan speed. Open the windows as parked. If the warning is still there, The ENGINE OVERHEATED STOP necessary. turn off the engine and get everyone ENGINE or the ENGINE out of the vehicle until it cools down. OVERHEATED IDLE ENGINE 3. When it is safe to do so, pull off message, along with a low coolant the road, shift to P (Park) or If there is no sign of steam, idle the condition, can indicate a serious N (Neutral), and let the engine for five minutes while problem. engine idle. parked. If the warning is still If the temperature overheat gauge is displayed, turn off the engine until it If there is an engine overheat cools down. warning, but no steam is seen or no longer in the overheat zone or an heard, the problem may not be too overheat warning no longer serious. Sometimes the engine can displays, the vehicle can be driven. Engine Fan get a little too hot when the vehicle: Continue to drive the vehicle slowly If the vehicle has electric cooling for about 10 minutes. Keep a safe fans, the fans may be heard . Climbs a long hill on a hot day. vehicle distance from the vehicle in spinning at low speed during most . Stops after high-speed driving. front. If the warning does not come everyday driving. The fans may turn back on, continue to drive normally . Idles for long periods in traffic. off if no cooling is required. Under and have the cooling system heavy vehicle loading, trailer towing, . Tows a trailer; see Trailer Towing checked for proper fill and function. high outside temperatures, on page 9-77. If the warning continues, pull over, or operation of the air conditioning If the ENGINE OVERHEATED stop, and park the vehicle system, the fans may change to STOP ENGINE or the ENGINE right away. high speed and an increase in fan OVERHEATED IDLE ENGINE noise may be heard. This is normal If there is still no sign of steam and message appears with no sign of and indicates that the cooling the vehicle is equipped with an steam, try this for a minute or so: system is functioning properly. The engine driven cooling fan, push 1. Turn the air conditioning off. down the accelerator until the engine speed is about twice as fast GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (20,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-20 Vehicle Care

fans will change to low speed when displays, washer fluid will need to additional cooling is no longer be added to the windshield washer Caution (Continued) required. fluid reservoir. to freeze and damage the The electric engine cooling fans washer fluid tank and other may run after the engine has been parts of the washer system. turned. off. This is normal and no . service is required. When using concentrated washer fluid, follow the manufacturer instructions for Washer Fluid adding water. What to Use Open the cap with the washer . Fill the washer fluid tank only When windshield washer fluid needs symbol on it. Add washer fluid until three-quarters full when it is to be added, be sure to read the the tank is full. See Engine very cold. This allows for fluid manufacturer's instructions before Compartment Overview on expansion if freezing occurs, use. Use a fluid that has sufficient page 10-5 for reservoir location. which could damage the tank protection against freezing in an if it is completely full. area where the temperature may fall { Caution below freezing. . Do not use engine coolant Brakes Adding Washer Fluid (antifreeze) in the windshield Disc brake pads have built-in wear The vehicle has a low washer fluid washer. It can damage the indicators that make a high-pitched message on the DIC that comes on windshield washer system warning sound when the brake pads when the washer fluid is low. The and paint. are worn and new pads are needed. message is displayed for . Do not mix water with The sound can come and go or be 15 seconds at the start of each ready-to-use washer fluid. heard all the time when the vehicle ignition cycle. When the WASHER Water can cause the solution is moving, except when applying the brake pedal firmly. FLUID LOW ADD FLUID message (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (21,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-21

proper sequence to torque Brake Fluid { Warning specifications. See Capacities and Specifications on page 12-2. The brake wear warning sound means that soon the brakes will Brake pads should be replaced as not work well. That could lead to complete sets. a crash. When the brake wear Brake Pedal Travel warning sound is heard, have the vehicle serviced. See your dealer if the brake pedal does not return to normal height, The brake master cylinder reservoir or if there is a rapid increase in is filled with DOT 3 brake fluid. See pedal travel. This could be a sign Engine Compartment Overview on { Caution that brake service may be required. page 10-5 for the location of the reservoir. Continuing to drive with worn-out Replacing Brake System Parts There are only two reasons why the brake pads could result in costly Always replace brake system parts brake fluid level in the reservoir brake repair. with new, approved replacement might go down: parts. If this is not done, the brakes . The brake fluid level goes down Some driving conditions or climates may not work properly. The braking because of normal brake lining can cause a brake squeal when the performance expected can change wear. When new linings are brakes are first applied or lightly in many other ways if the wrong installed, the fluid level goes applied. This does not mean replacement brake parts are back up. something is wrong with the brakes. installed or parts are improperly installed. . A fluid leak in the brake Properly torqued wheel nuts are hydraulic system can also cause necessary to help prevent brake a low fluid level. Have the brake pulsation. When tires are rotated, hydraulic system fixed, since a inspect brake pads for wear and leak means that sooner or later evenly tighten wheel nuts in the the brakes will not work well. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (22,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-22 Vehicle Care

Do not top off the brake fluid. Refer to the Maintenance Schedule After work is done on the brake Adding fluid does not correct a leak. to determine when to check the hydraulic system, make sure the If fluid is added when the linings are brake fluid. See Maintenance level is above MIN but not over the worn, there will be too much fluid Schedule on page 11-2. MAX mark. when new brake linings are installed. Add or remove brake fluid, Checking Brake Fluid What to Add as necessary, only when work is Check brake fluid by looking at the Use only new DOT 3 brake fluid done on the brake hydraulic system. brake fluid reservoir. See Engine from a sealed container. See Compartment Overview on Recommended Fluids and { Warning page 10-5. Lubricants on page 11-12. Always clean the brake fluid If too much brake fluid is added, it reservoir cap and the area around can spill on the engine and burn, the cap before removing it. This if the engine is hot enough. You helps keep dirt from entering the or others could be burned, and reservoir. the vehicle could be damaged. Add brake fluid only when work is { Warning done on the brake hydraulic system. See “Checking Brake With the wrong kind of fluid in the Fluid” in this section. brake hydraulic system, the brakes might not work well. This When the brake fluid falls to a low could cause a crash. Always use level, the brake warning light comes the proper brake fluid. on. See Brake System Warning The fluid level should be above Light on page 5-22. MIN. If it is not, have the brake hydraulic system checked to see if there is a leak. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (23,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-23

Battery Vehicle Storage { Caution The original equipment battery is . Using the wrong fluid can maintenance free. Do not remove { Warning badly damage brake the cap and do not add fluid. hydraulic system parts. For Batteries have acid that can burn example, just a few drops of Refer to the replacement number on you and gas that can explode. mineral-based oil, such as the original battery label when a You can be badly hurt if you are engine oil, in the brake new battery is needed. See Engine not careful. See Jump Starting on hydraulic system can damage Compartment Overview on page 10-78 for tips on working brake hydraulic system parts page 10-5 for battery location. around a battery without so badly that they will have to getting hurt. be replaced. Do not let { Warning someone put in the wrong Infrequent Usage: Remove the kind of fluid. Battery posts, terminals, and related accessories contain lead black, negative (−) cable from the . If brake fluid is spilled on the and lead compounds, chemicals battery to keep the battery from vehicle's painted surfaces, known to the State of California to running down. the paint finish can be cause cancer and reproductive Extended Storage: Remove the damaged. Be careful not to harm. Wash hands after handling. black, negative (−) cable from the spill brake fluid on the battery or use a battery trickle vehicle. If you do, wash it off charger. immediately. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (24,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-24 Vehicle Care

Four-Wheel Drive To get an accurate reading, the Front Axle vehicle should be on a level Transfer Case surface. When to Check and Change Lubricant When to Check Lubricant If the level is below the bottom of the fill plug (1) hole, located on the It is not necessary to regularly Refer to Maintenance Schedule on transfer case, some lubricant will check front axle fluid unless a leak page 11-2 to determine when to need to be added. Add enough is suspected, or an unusual noise is check the lubricant. lubricant to raise the level to the heard. A fluid loss could indicate a How to Check Lubricant bottom of the fill plug (1) hole. Use problem. Have it inspected and care not to overtighten the plug. repaired. When to Change Lubricant How to Check Lubricant Refer to Maintenance Schedule on To get an accurate reading, the page 11-2 to determine how often to vehicle should be on a level change the lubricant. surface. What to Use Refer to Recommended Fluids and Lubricants on page 11-12 to determine what kind of lubricant to use.

Automatic Transfer Case

1. Fill Plug 2. Drain Plug GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (25,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-25

What to Use out along the axle tubes and has Refer to Recommended Fluids and not drained back to the sump area. Lubricants on page 11-12 to Therefore, a reading taken determine what kind of lubricant five minutes after the vehicle has to use. been driven will appear to have a lower fluid level than a vehicle that has been stationary for an hour or Rear Axle two. The rear axle assembly must When to Check Lubricant be supported on a flat, level surface to get a true reading. It is not necessary to regularly check rear axle fluid unless a leak is How to Check Lubricant suspected or an unusual noise is 1. Fill Plug heard. A fluid loss could indicate a 2. Drain Plug problem. Have it inspected and repaired. . When the differential is cold, add enough lubricant to raise the All axle assemblies are filled by level from 0 mm (0 in) to 3.2 mm volume of fluid during production. (1/8 in) below the fill They are not filled to reach a certain plug (1) hole. level. When checking the fluid level on any axle, variations in the . When the differential is at readings can be caused by factory operating temperature (warm), fill differences between the minimum add enough lubricant to raise the and the maximum fluid volume. level to the bottom of the fill Also, if a vehicle has just been plug (1) hole. driven before checking the fluid To get an accurate reading, the level, it may appear lower than vehicle should be on a level normal because fluid has traveled surface. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (26,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-26 Vehicle Care

The proper level is 1.0 mm to Federal law prohibits the following Engine: 19.0 mm (0.04 in to 0.7 in) below acts or the causing thereof: Removal or rendering engine speed the bottom of the fill hole, located on 1. The removal or rendering governor, if the vehicle has one, the rear axle. Add only enough fluid inoperative by any person, other inoperative so as to allow engine to reach the proper level. than for purposes of speed to exceed manufacturer What to Use maintenance, repair or specifications. replacement, of any device or Refer to Recommended Fluids and element of design incorporated Fan and Drive: Lubricants on page 11-12 to into any new vehicle for the . Removal of fan clutch, if the determine what kind of lubricant purpose of noise control, prior to vehicle has one, or rendering to use. its sale or delivery to the ultimate clutch inoperative. purchaser or while it is in use; or Noise Control System . Removal of the fan shroud, if the 2. The use of the vehicle after such vehicle has one. The following information relates to device or element of design has Air Intake: compliance with federal noise been removed or rendered emission standards for vehicles with inoperative by any person. . Removal of the air cleaner a Gross Vehicle Weight Rating silencer. Among those acts presumed to (GVWR) of more than 4 536 kg constitute tampering are the acts . Modification of the air cleaner. (10,000 lb). The noise control listed below. system warranty is given in your Exhaust: warranty manual. Insulation: . Removal of the muffler and/or These standards apply only to Removal of the noise shields or any resonator. vehicles sold in the United States. underhood insulation. . Removal of the exhaust pipes and exhaust pipe clamps. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (27,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-27

Starter Switch Check Automatic Transmission normal effort. If the shift lever moves out of P (Park), contact Shift Lock Control your dealer for service. { Warning Function Check When you are doing this Ignition Transmission inspection, the vehicle could { Warning Lock Check move suddenly. If the vehicle When you are doing this If equipped with a key type ignition, moves, you or others could be inspection, the vehicle could while parked and with the parking injured. move suddenly. If the vehicle brake set, try to turn the ignition to moves, you or others could be LOCK/OFF in each shift lever 1. Before starting this check, be injured. position. sure there is enough room . The ignition should turn to around the vehicle. 1. Before starting this check, be LOCK/OFF only when the shift 2. Apply both the parking brake sure there is enough room lever is in P (Park). and the regular brake. around the vehicle. It should be . The ignition key should come Do not use the accelerator parked on a level surface. out only in LOCK/OFF. pedal, and be ready to turn off 2. Apply the parking brake. Be Contact your dealer if service is the engine immediately if it ready to apply the regular brake required. starts. immediately if the vehicle begins 3. Try to start the engine in each to move. gear. The vehicle should start 3. With the engine off, turn the only in P (Park) or N (Neutral). ignition on, but do not start the If the vehicle starts in any other engine. Without applying the position, contact your dealer for regular brake, try to move the service. shift lever out of P (Park) with GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (28,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-28 Vehicle Care

Park Brake and P (Park) . To check the P (Park) mechanism's holding ability: Mechanism Check With the engine running, shift to P (Park). Then release the { Warning parking brake followed by the regular brake. When you are doing this check, Contact your dealer if service is the vehicle could begin to move. required. You or others could be injured and property could be damaged. Wiper Blade Replacement Make sure there is room in front of the vehicle in case it begins to Windshield wiper blades should be roll. Be ready to apply the regular inspected for wear or cracking. 2. Lift up on the latch in the middle brake at once should the vehicle For the proper type and size, see of the wiper blade where the begin to move. Maintenance Replacement Parts on wiper arm attaches. page 11-13. 3. With the latch open, pull the Park on a fairly steep hill, with the Front Wiper Blade wiper blade down toward the vehicle facing downhill. Keeping Replacement windshield far enough to release your foot on the regular brake, set it from the J-hooked end of the the parking brake. To replace the wiper blade assembly: wiper arm. . To check the parking brake's 4. Remove the wiper blade. holding ability: With the engine 1. Pull the windshield wiper running and the transmission in assembly away from the Allowing the wiper blade arm to N (Neutral), slowly remove foot windshield. touch the windshield when no pressure from the regular brake wiper blade is installed could pedal. Do this until the vehicle is damage the windshield. Any held by the parking brake only. damage that occurs would not be covered by the vehicle GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (29,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-29

warranty. Do not allow the wiper 2. Push the release lever (2) to Headlamp Aiming blade arm to touch the disengage the hook and push windshield. the wiper arm (1) out of the Headlamp aim has been preset and blade assembly (3). should need no further adjustment. 5. Reverse Steps 1–3 for wiper blade replacement. 3. Push the new blade assembly If the vehicle is damaged in a crash, securely in the wiper arm hook the headlamp aim may be affected. Rear Wiper Blade Replacement until the release lever clicks into If adjustment to the headlamps is To replace the rear wiper blade: place. necessary, see your dealer. 1. Pull the wiper blade assembly 4. Return the wiper arm and blade away from the backglass. assembly to the rest position on the glass. The rear wiper blade will not lock in a vertical position so care should be used when pulling it Glass Replacement away from the vehicle. If the windshield or front side glass must be replaced, see your dealer to determine the correct replacement glass. Windshield Replacement The windshield is part of the HUD system. If the vehicle has to have the windshield replaced, get one that is designed for HUD or the HUD image may look out of focus. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (30,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-30 Vehicle Care

Bulb Replacement LED Lighting Headlamp For the proper type of replacement This vehicle has several LED lamps. 1. Open the hood. See Hood on bulbs, see Replacement Bulbs on For replacement of any LED lighting page 10-4 page 10-33. assembly, contact your dealer. 2. Remove the headlamp bulb assembly cover by turning it For any bulb‐changing procedure not listed in this section, contact Headlamps counterclockwise. your dealer. 3. Turn the bulb socket counterclockwise to remove it High Intensity Discharge from the headlamp assembly (HID) Lighting and pull it straight out. 4. Unplug the electrical connector { Warning from the old bulb by releasing the clip on the bulb socket. The high intensity discharge lighting system operates at a very Front Turn Signal Lamps high voltage. If you try to service 1. Open the hood. See Hood on any of the system components, page 10-4 you could be seriously injured. 2. Reach in and access the bulb Have your dealer or a qualified Driver Side technician service them. socket from inside the engine 1. Low-Beam Headlamp compartment. 2. High-Beam Headlamp 3. Turn the bulb socket After an HID headlamp bulb has counterclockwise to remove it been replaced, the beam might be a See your dealer for passenger side from the headlamp assembly slightly different shade than it was replacement. and pull it straight out. originally. This is normal. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (31,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-31

4. Remove the bulb by pulling it The taillamp on this vehicle is an straight out of the socket bulb LED. For replacement, contact your socket. dealer. 5. Replace it with a new bulb. To replace one of these bulbs: 6. Reinstall the new bulb socket 1. Open the liftgate. See Liftgate into the headlamp assembly and on page 2-19. turn it clockwise to secure. Taillamps, Turn Signal, Stoplamps, and Back-Up Lamps 3. Remove the two screws from the taillamp assembly. 4. Pull the taillamp assembly straight back to remove. 5. Turn the bulb socket counterclockwise to remove it from the taillamp assembly. 2. Remove the taillamp closeout 6. Pull the bulb straight out from cover from the lamp assembly the socket. by pulling rearward from the top and bottom at the same time to 7. Press a new bulb into the unfasten the snap tabs. socket, insert it into the taillamp assembly, and turn the bulb 1. Back-up Lamp socket clockwise until it clicks. 2. Stoplamp/Turn Signal Lamp GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (32,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-32 Vehicle Care

8. Reinstall the taillamp assembly License Plate Lamp and tighten the screws. 9. Reinstall the taillamp cover by snapping it into place.

1. Bulb Socket Passenger Side Shown, Driver 2. Bulb Side Similar 3. Lamp Assembly To replace one of these bulbs: 1. Push the lamp assembly (3) toward the center of the vehicle. 2. Pull the lamp assembly down to remove. 3. Turn the bulb socket (1) counterclockwise to remove it from the lamp assembly (3). 4. Pull the bulb (2) straight out of the bulb socket (1). GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (33,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-33

5. Push the replacement bulb Electrical System headlamp wiring checked right away straight into the bulb socket and if the lamps go on and off or turn the bulb socket clockwise to remain off. install it into the lamp assembly. Electrical System Windshield Wipers 6. Push the lamp assembly back Overload into position until the release tab The vehicle has fuses to protect If the wiper motor overheats due to locks into place. against an electrical system heavy snow or ice, the windshield overload. Fuses also protect power wipers will stop until the motor cools Replacement Bulbs devices in the vehicle. and will then restart. Although the circuit is protected Exterior Lamp Bulb Replace a bad fuse with a new one from electrical overload, overload Number of the identical size and rating. due to heavy snow or ice may Back-up Lamp 921 If there is a problem on the road and cause wiper linkage damage. a fuse needs to be replaced, there Always clear ice and heavy snow High-Beam 9005 LL are some spare fuses and a fuse Headlamp from the windshield before using the puller in the Instrument Panel Fuse windshield wipers. Low-Beam H11 LL Block. The same amperage fuse If the overload is caused by an Headlamp can also be borrowed. Choose some feature of the vehicle that is electrical problem and not snow or License W5W not needed to use and replace it as ice, be sure to get it fixed. Plate Lamp soon as possible. Fuses For replacement bulbs not listed Headlamp Wiring here, contact your dealer. The wiring circuits in the vehicle are An electrical overload may cause protected from short circuits by the lamps to go on and off, or in fuses. This greatly reduces the some cases to remain off. Have the chance of fires caused by electrical problems. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (34,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-34 Vehicle Care

Look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse. Be sure you replace a bad fuse with a new one of the identical size and rating. Fuses of the same amperage can be temporarily borrowed from another fuse location, if a fuse goes out. Replace the fuse as soon as you can. Engine Compartment Fuse Block Lift the cover to access the fuse block. The engine compartment fuse block is in the engine compartment, on { Caution the driver side of the vehicle. Spilling liquid on any electrical component on the vehicle may damage it. Always keep the covers on any electrical component.

A fuse puller is available in the left instrument panel fuse block. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (35,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-35 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (36,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-36 Vehicle Care

Item Usage Item Usage Item Usage 1 Electric Running 24 Real Time 41 Trailer Park Lamps Boards Dampening 42 Right Parking 2 Antilock Brake 25 Fuel Pump Power Lamps System Pump Module 43 Left Parking Lamps 3 Interior BEC LT1 26 Spare/Battery 44 Upfitter 3 Regulated Voltage 4 MBS Passenger Control 45 Automatic Level 5 Suspension Control Run/Crank 28 Upfitter 2 Leveling 47 Upfitter 4 Compressor 29 Upfitter 2 Relay 48 Upfitter 4 Relay 6 4WD Transfer 30 Wiper Case Electronic 49 Reverse Lamps 31 TIM Control 51 Parking Lamp 34 Back-up Lamps 10 Electric Parking Relay 35 Antilock Brake Brake 59 Euro Trailer System Valve 13 Interior BEC LT2 60 Air Conditioning 36 Trailer Brakes 14 Rear BEC 1 Control 37 Upfitter 3 Relay 17 MBS Driver 63 Upfitter 1 39 Trailer Stop/Turn 21 ALC Exhaust 67 Trailer Battery Right Solenoid 69 RC Upfitter 3 and 4 40 Trailer Stop/ 23 Integrated Chassis Turn Left 70 VBAT Upfitter Control Module 3 and 4 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (37,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-37

Item Usage Item Usage Item Usage 72 Upfitter 1 Relay 92 Engine Control 109 Police Upfitter Module Relay 74 Engine Control 112 Starter Relay Module Ignition 93 Horn 114 Front Windshield 75 Miscellaneous 94 Fog Lamps Washer Ignition Spare 95 High-Beam 115 Rear Window 76 Transmission Headlamps Washer Ignition 100 Oxygen Sensor A 116 Cooling Fan Left 77 RC Upfitter 1 and 2 101 Engine Control 121 Right HID 78 VBAT Upfitter Module Headlamp 1 and 2 102 Engine Control 122 Left HID Headlamp 83 Euro Trailer RC Module/ 123 Cooling Fan Right Transmission 84 Run/Crank Relay Control Module 87 Engine 103 Auxiliary Interior 88 Injector A – Odd Heater 89 Injector B – Even 104 Starter 90 Oxygen Sensor B 107 Aero Shutter 91 Throttle Control GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (38,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-38 Vehicle Care

Instrument Panel Fuse Block (Left)

The left instrument panel fuse block access door is on the driver side edge of the instrument panel. Pull off the cover to access the fuse block.

The vehicle may not be equipped Number Usage with all of the fuses, relays, and features shown. 1 Not Used GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (39,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-39

Number Usage Number Usage Number Usage 2 Not Used 15 Not Used 26 Tilt Column/SEO, Tilt Column Lock 1/SEO 3 Not Used 16 Discrete Logic Ignition Sensor 27 Data Link Connector/ 4 Accessory Power Driver Seat Module Outlet 1 17 VPM 28 Passive Entry/Passive 5 Retained Accessory 18 Mirror Window Start/Heater, Power/Accessory Module Ventilation and Air 6 APO/BATT 19 Body Control Conditioning Battery Module 1 7 Universal Garage 29 Content Theft Door Opener/Inside 20 Front Bolster (if 30 Not Used Rear View Mirror equipped) 31 Not Used 8 SEO Retained 21 Not Used Accessory Power 32 Not Used 22 Not Used 9 Not Used 33 SEO/Automatic Level 23 Not Used Control 10 Body Control 24 Heater, Ventilation Module 3 34 Park Enable Electric and Air Conditioning Adjustable Pedal (if 11 Body Control Ignition/Heater, equipped) Module 5 Ventilation and Air Conditioning Auxiliary 35 Not Used 12 Steering Wheel Controls Backlighting 25 Instrument Cluster 36 Miscellaneous R/C Ignition/Sensing 13 Not Used 37 Heated Steering Diagnostic Module Wheel 14 Not Used Ignition GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (40,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-40 Vehicle Care

Number Usage Number Usage The right instrument panel fuse block access door is on the 38 Steering Column Lock 52 Retained Accessory passenger side edge of the 2 (if equipped) Power/Accessory instrument panel. Relay 39 Instrument Cluster Pull off the cover to access the fuse Battery 53 Run/Crank Relay block. 40 Not Used 54 Not Used 41 Not Used 55 Not Used 42 Euro Trailer (if 56 Not Used equipped) 43 Left Doors Instrument Panel Fuse 44 Driver Power Seat Block (Right) 45 Not Used 46 Right Heated/ Cooled Seat 47 Left Heated/ Cooled Seat 48 Not Used 49 Not Used 50 Accessory Power Outlet 2 51 Not Used GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (41,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-41

Number Usage 2 Not Used 3 Not Used 4 Accessory Power Outlet 4 5 Not Used 6 Not Used 7 Not Used 8 Glove Box 9 Not Used 10 Not Used 11 Not Used 12 Steering Wheel Controls 13 Body Control Module 8 14 Not Used 15 Not Used 16 Not Used The vehicle may not be equipped Number Usage with all of the fuses, relays, and 17 Not Used features shown. 1 Not Used GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (42,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-42 Vehicle Care

Number Usage Number Usage Number Usage 18 Not Used 33 Not Used 48 Amplifier 19 Body Control 34 Not Used 49 Right Front Seat Module 4 35 Not Used 50 Accessory Power 20 Rear Seat Outlet 3 36 SEO B2 Entertainment 51 Not Used 37 SEO 21 Sunroof 52 Retained Accessory 38 Body Control 22 Not Used Power/Accessory Module 2 Relay 23 Not Used 39 A/C Inverter 53 Not Used 24 Not Used 40 Not Used 54 Not Used 25 Not Used 41 Not Used 55 Not Used 26 Info/Airbag 42 Not Used 56 Not Used 27 Spare/RF WDW 43 Not Used RN SW 44 Right Door Window 28 Obstacle Motor Detection/USB 45 Front Blower 29 Radio 46 Body Control 30 Not Used Module 6 31 Not Used 47 Body Control 32 Not Used Module 7 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (43,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-43

Rear Compartment Fuse ISO Mini Usage Block Relays 1 Rear Defogger

Micro Usage Fuses 2 Heated Second Row Seat Left 3 Heated Second Row Seat Right 4 Heated Mirrors 5 Liftgate 6 Glass Breakage The rear compartment fuse block is behind the access panel on the left 7 Liftglass side of the compartment. 8 Liftgate Module Logic Pull the panel out by grabbing the 9 Rear Wiper finger access slot at the rear edge. 10 Rear Heater, Ventilation and Air Conditioning Blower The vehicle may not be equipped 11 Second Row Seat with all of the fuses, relays, and 19 Rear Fog Lamp (if features shown. equipped) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (44,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-44 Vehicle Care

M-Type Usage Wheels and Tires Warning (Continued) Fuses 12 Liftgate Module Tires and a serious crash. See Vehicle Load Limits on 13 Third Row Seat Every new GM vehicle has high-quality tires made by a page 9-14. 14 Rear Accessory . Underinflated tires pose Power Outlet leading tire manufacturer. See the warranty manual for the same danger as 15 Rear Defogger information regarding the tire overloaded tires. The warranty and where to get resulting crash could Ultra Usage service. For additional cause serious injury. Micro information refer to the tire Check all tires frequently Relays manufacturer. to maintain the 16 Liftgate recommended pressure. { Warning Tire pressure should be Micro Usage checked when the tires . Relays Poorly maintained and are cold. improperly used tires are . 17 Liftglass dangerous. Overinflated tires are more likely to be cut, punctured, 18 Rear Fog Lamp (if . Overloading the tires can equipped) or broken by a sudden cause overheating as a impact — such as when 19 Heated Mirrors result of too much flexing. hitting a pothole. Keep There could be a blowout tires at the recommended (Continued) pressure. (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (45,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-45

See Tire Pressure for traction or performance as winter Warning (Continued) High-Speed Operation on tires on snow or ice-covered roads. See Winter Tires on page 10-45. . Worn or old tires can page 10-53 for inflation pressure adjustment for high-speed cause a crash. If the tread Winter Tires is badly worn, driving. replace them. This vehicle was not originally All-Season Tires equipped with winter tires. Winter . Replace any tires that tires are designed for increased This vehicle may come with have been damaged by traction on snow and ice-covered all-season tires. These tires are roads. Consider installing winter impacts with potholes, designed to provide good overall tires on the vehicle if frequent curbs, etc. performance on most road surfaces driving on ice or snow covered . and weather conditions. Original Improperly repaired tires roads is expected. See your dealer equipment tires designed to GM's can cause a crash. Only for details regarding winter tire specific tire performance criteria the dealer or an availability and proper tire selection. have a TPC specification code authorized tire service Also, see Buying New Tires on molded onto the sidewall. Original page 10-60. center should repair, equipment all-season tires can be replace, dismount, and identified by the last two characters With winter tires, there may be mount the tires. of this TPC code, which will decreased dry road traction, increased road noise, and shorter . Do not spin the tires in be “MS.” tread life. After changing to winter Consider installing winter tires on excess of 56 km/h tires, be alert for changes in vehicle the vehicle if frequent driving on (35 mph) on slippery handling and braking. surfaces such as snow, snow or ice-covered roads is mud, ice, etc. Excessive expected. All-season tires provide If using winter tires: spinning may cause the adequate performance for most . Use tires of the same brand and winter driving conditions, but they tires to explode. tread type on all four wheel may not offer the same level of positions. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (46,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-46 Vehicle Care

. Use only radial ply tires of the The tread pattern on these tires may same size, load range, and { Caution wear more quickly than other tires. speed rating as the original Consider rotating the tires more equipment tires. Low-profile tires are more frequently than at 12 000 km susceptible to damage from road Winter tires with the same speed (7,500 mi) intervals if irregular wear hazards or curb impact than rating as the original equipment tires is noted when the tires are may not be available for H, V, W, Y, standard profile tires. Tire and/or inspected. See Tire Inspection on and ZR speed rated tires. If winter wheel assembly damage can page 10-58. tires with a lower speed rating are occur when coming into contact chosen, never exceed the tire's with road hazards like potholes, Tire Sidewall Labeling maximum speed capability. or sharp edged objects, or when sliding into a curb. The warranty Useful information about a tire is Low-Profile Tires does not cover this type of molded into the sidewall. The damage. Keep tires set to the example shows a typical If the vehicle has P275/55R20 or correct inflation pressure and passenger vehicle tire sidewall. P285/45R22 size tires, they are when possible, avoid contact with classified as touring tires and curbs, potholes, and other road are designed for on road use. hazards. The low-profile, wide tread design is not recommended for off-road driving. See Off-Road All-Terrain Tires Driving on page 9-5, for This vehicle may have all-terrain additional information. tires. These tires provide good performance on most road surfaces, weather conditions, and for off-road driving. See Off-Road Driving on page 9-5. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (47,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-47

criteria have a TPC specification (4) Tire Identification Number code molded onto the sidewall. (TIN): The letters and numbers GM's TPC specifications meet or following the DOT code are the exceed all federal safety Tire Identification Number (TIN). guidelines. The TIN shows the (3) DOT (Department of manufacturer and plant code, Transportation): The tire size, and date the tire was Department of Transportation manufactured. The TIN is (DOT) code indicates that the molded onto both sides of the tire is in compliance with the tire, although only one side may U.S. Department of have the date of manufacture. Passenger (P-Metric)/Spare Tire Transportation Motor Vehicle (5) Tire Ply Material: The type (1) Tire Size: The tire size code Safety Standards. of cord and number of plies in is a combination of letters and DOT Tire Date of the sidewall and under the tread. numbers used to define a Manufacture: The last four (6) Uniform Tire Quality particular tire's width, height, digits of the TIN indicate the tire Grading (UTQG): Tire aspect ratio, construction type, manufactured date. The first two manufacturers are required to and service description. See the digits represent the week grade tires based on three “Tire Size” illustration later in this (01-52) and the last two digits, performance factors: treadwear, section for more detail. the year. For example, the third traction, and temperature (2) TPC Spec (Tire week of the year 2010 would resistance. For more Performance Criteria have a four-digit DOT date information, see Uniform Tire Specification): Original of 0310. Quality Grading on page 10-62. equipment tires designed to GM's specific tire performance GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (48,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-48 Vehicle Care

(7) Maximum Cold Inflation would mean that the tire's Load Limit: Maximum load that sidewall is 75 percent as high as can be carried and the it is wide. maximum pressure needed to (4) Construction Code: A letter support that load. For code is used to indicate the type information on recommended Passenger (P-Metric) Tire of ply construction in the tire. tire pressure see Tire Pressure The letter R means radial ply on page 10-51 and Vehicle Load (1) Passenger (P-Metric) Tire: construction; the letter D means Limits on page 9-14. The United States version of a diagonal or bias ply (8) Temporary Use Only: Only metric tire sizing system. The construction; and the letter B use a temporary spare tire until letter P as the first character in means belted-bias ply the road tire is repaired and the tire size means a passenger construction. replaced. This spare tire should vehicle tire engineered to standards set by the U.S. Tire (5) Rim Diameter: Diameter of not be driven on over 112 km/h the wheel in inches. (70 mph), or 88 km/h (55 mph) and Rim Association. when pulling a trailer, with the (2) Tire Width: The three-digit (6) Service Description: These proper inflation pressure. See number indicates the tire section characters represent the load Full-Size Spare Tire on width in millimeters from index and speed rating of the page 10-77. sidewall to sidewall. tire. The load index represents the load carrying capacity a tire Tire Designations (3) Aspect Ratio: A two-digit is certified to carry. The speed number that indicates the tire rating is the maximum speed a Tire Size height-to-width measurements. tire is certified to carry a load. The example shows a typical For example, if the tire size passenger vehicle tire size. aspect ratio is 75, as shown in item C of the tire illustration, it GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (49,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-49

Tire Terminology and Bead: The tire bead contains DOT Markings: A code molded Definitions steel wires wrapped by steel into the sidewall of a tire cords that hold the tire onto signifying that the tire is in Air Pressure: The amount of the rim. compliance with the U.S. air inside the tire pressing Bias Ply Tire: A pneumatic tire Department of Transportation outward on each square inch of (DOT) Motor Vehicle Safety the tire. Air pressure is in which the plies are laid at alternate angles less than Standards. The DOT code expressed in kPa (kilopascal) includes the Tire Identification or psi (pounds per square inch). 90 degrees to the centerline of the tread. Number (TIN), an alphanumeric Accessory Weight: The designator which can also combined weight of optional Cold Tire Pressure: The identify the tire manufacturer, accessories. Some examples of amount of air pressure in a tire, production plant, brand, and optional accessories are measured in kPa (kilopascal) date of production. automatic transmission, power or psi (pounds per square inch) before a tire has built up heat GVWR: Gross Vehicle Weight windows, power seats, and air Rating. See Vehicle Load Limits conditioning. from driving. See Tire Pressure on page 10-51. on page 9-14. Aspect Ratio: The relationship GAWR FRT: Gross Axle Weight of a tire's height to its width. Curb Weight: The weight of a motor vehicle with standard and Rating for the front axle. See Belt: A rubber coated layer of optional equipment including the Vehicle Load Limits on cords between the plies and the maximum capacity of fuel, oil, page 9-14. tread. Cords may be made from and coolant, but without GAWR RR: Gross Axle Weight steel or other reinforcing passengers and cargo. Rating for the rear axle. See materials. Vehicle Load Limits on page 9-14. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (50,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-50 Vehicle Care

Intended Outboard Sidewall: Maximum Loaded Vehicle Passenger (P-Metric) Tire: A The side of an asymmetrical tire Weight: The sum of curb tire used on passenger cars and that must always face outward weight, accessory weight, some light duty trucks and when mounted on a vehicle. vehicle capacity weight, and multipurpose vehicles. Kilopascal (kPa): The metric production options weight. Recommended Inflation unit for air pressure. Normal Occupant Weight: The Pressure: Vehicle Light Truck (LT-Metric) Tire: A number of occupants a vehicle manufacturer's recommended tire used on light duty trucks and is designed to seat multiplied by tire inflation pressure as shown some multipurpose passenger 68 kg (150 lb). See Vehicle Load on the tire placard. See Tire vehicles. Limits on page 9-14. Pressure on page 10-51 and Occupant Distribution: Vehicle Load Limits on Load Index: An assigned page 9-14. number ranging from 1 to 279 Designated seating positions. that corresponds to the load Outward Facing Sidewall: The Radial Ply Tire: A pneumatic carrying capacity of a tire. side of an asymmetrical tire that tire in which the ply cords that extend to the beads are laid at Maximum Inflation Pressure: has a particular side that faces outward when mounted on a 90 degrees to the centerline of The maximum air pressure to the tread. which a cold tire can be inflated. vehicle. The side of the tire that The maximum air pressure is contains a whitewall, bears Rim: A metal support for a tire molded onto the sidewall. white lettering, or bears and upon which the tire beads manufacturer, brand, and/or are seated. Maximum Load Rating: The model name molding that is load rating for a tire at the Sidewall: The portion of a tire higher or deeper than the same between the tread and the bead. maximum permissible inflation moldings on the other sidewall pressure for that tire. of the tire. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (51,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-51

Speed Rating: An determined by tire See “Tire and Loading alphanumeric code assigned to manufacturers using Information Label” under Vehicle a tire indicating the maximum government testing procedures. Load Limits on page 9-14. speed at which a tire can The ratings are molded into the operate. sidewall of the tire. See Uniform Tire Pressure Traction: The friction between Tire Quality Grading on Tires need the correct amount of the tire and the road surface. page 10-62. air pressure to operate The amount of grip provided. Vehicle Capacity Weight: The effectively. Tread: The portion of a tire that number of designated seating comes into contact with positions multiplied by { Caution the road. 68 kg (150 lb) plus the rated cargo load. See Vehicle Load Neither tire underinflation nor Treadwear Indicators: Narrow Limits on page 9-14. overinflation is good. bands, sometimes called wear Underinflated tires, or tires bars, that show across the tread Vehicle Maximum Load on the that do not have enough air, of a tire when only 1.6 mm (1/ Tire: Load on an individual tire can result in: 16 in) of tread remains. See due to curb weight, accessory . Tire overloading and When It Is Time for New Tires weight, occupant weight, and cargo weight. overheating which could on page 10-59. lead to a blowout. UTQGS (Uniform Tire Quality Vehicle Placard: A label . Premature or Grading Standards): A tire permanently attached to a irregular wear. information system that provides vehicle showing the vehicle consumers with ratings for a capacity weight and the original . Poor handling. equipment tire size and tire's traction, temperature, and . Reduced fuel economy. treadwear. Ratings are recommended inflation pressure. (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (52,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-52 Vehicle Care

example of the Tire and Loading the vehicle has not been driven Caution (Continued) Information label, see Vehicle for at least three hours or no Overinflated tires, or tires that Load Limits on page 9-14. How more than 1.6 km (1 mi). have too much air, can the vehicle is loaded affects Remove the valve cap from the result in: vehicle handling and ride tire valve stem. Press the tire comfort. Never load the vehicle . Unusual wear. gauge firmly onto the valve to with more weight than it was get a pressure measurement. . Poor handling. designed to carry. If the cold tire inflation pressure . Rough ride. When to Check matches the recommended pressure on the Tire and . Needless damage from Check the tires once a month Loading Information label, no road hazards. or more. further adjustment is necessary. Do not forget the spare tire, If the inflation pressure is low, The Tire and Loading if the vehicle has one. See add air until the recommended Information label on the vehicle Full-Size Spare Tire on pressure is reached. If the indicates the original equipment page 10-77 for additional inflation pressure is high, press tires and the correct cold tire information. on the metal stem in the center inflation pressures. The of the tire valve to release air. recommended pressure is the How to Check Re-check the tire pressure with minimum air pressure needed to Use a good quality pocket-type the tire gauge. support the vehicle's maximum gauge to check tire pressure. load carrying capacity. Proper tire inflation cannot be Return the valve caps on the valve stems to prevent leaks For additional information determined by looking at the tire. and keep out dirt and moisture. regarding how much weight the Check the tire inflation pressure vehicle can carry, and an when the tires are cold, meaning GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (53,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-53

Tire Pressure for When driving the vehicle at speeds pressure label. (If your vehicle has of 160 km/h (100 mph) or higher, set tires of a different size than the size High-Speed Operation the cold inflation pressure to 20 kPa indicated on the vehicle placard or (3 psi) above the recommended tire tire inflation pressure label, you { Warning pressure shown on the Tire and should determine the proper tire Loading Information label. Return inflation pressure for those tires.) Driving at high speeds, 160 km/h the tires to the recommended cold As an added safety feature, your (100 mph) or higher, puts an tire inflation pressure when additional strain on tires. vehicle has been equipped with a high-speed driving has ended. See tire pressure monitoring system Sustained high-speed driving Vehicle Load Limits on page 9-14 (TPMS) that illuminates a low tire causes excessive heat buildup and Tire Pressure on page 10-51. pressure telltale when one or more and can cause sudden tire failure. of your tires is significantly You could have a crash and you Tire Pressure Monitor under-inflated. or others could be killed. Some System high-speed rated tires require Accordingly, when the low tire inflation pressure adjustment for The Tire Pressure Monitor System pressure telltale illuminates, you high-speed operation. When (TPMS) uses radio and sensor should stop and check your tires as speed limits and road conditions technology to check tire pressure soon as possible, and inflate them to the proper pressure. Driving on a are such that a vehicle can be levels. The TPMS sensors monitor significantly under-inflated tire driven at high speeds, make sure the air pressure in your tires and transmit tire pressure readings to a causes the tire to overheat and can the tires are rated for high-speed receiver located in the vehicle. lead to tire failure. Under-inflation operation, in excellent condition, also reduces fuel efficiency and tire Each tire, including the spare (if and set to the correct cold tire tread life, and may affect the provided), should be checked inflation pressure for the vehicle's handling and stopping monthly when cold and inflated to vehicle load. ability. the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire inflation GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (54,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-54 Vehicle Care

Please note that the TPMS is not a wheels on the vehicle that prevent the tires and transmit the tire substitute for proper tire the TPMS from functioning properly. pressure readings to a receiver maintenance, and it is the driver's Always check the TPMS malfunction located in the vehicle. responsibility to maintain correct tire telltale after replacing one or more pressure, even if under-inflation has tires or wheels on your vehicle to not reached the level to trigger ensure that the replacement or illumination of the TPMS low tire alternate tires and wheels allow the pressure telltale. TPMS to continue to function Your vehicle has also been properly. equipped with a TPMS malfunction See Tire Pressure Monitor indicator to indicate when the Operation on page 10-54. When a low tire pressure condition is detected, the TPMS illuminates system is not operating properly. See Radio Frequency Statement on the low tire pressure warning light The TPMS malfunction indicator is page 13-12. combined with the low tire pressure located on the instrument cluster. telltale. When the system detects a If the warning light comes on, stop malfunction, the telltale will flash for Tire Pressure Monitor as soon as possible and inflate the approximately one minute and then Operation tires to the recommended pressure shown on the Tire and Loading remain continuously illuminated. This vehicle may have a Tire Information label. See Vehicle Load This sequence will continue upon Pressure Monitor System (TPMS). Limits on page 9-14. subsequent vehicle start-ups as The TPMS is designed to warn the long as the malfunction exists. driver when a low tire pressure A message to check the pressure in When the malfunction indicator is condition exists. TPMS sensors are a specific tire displays in the Driver illuminated, the system may not be mounted onto each tire and wheel Information Center (DIC). The low able to detect or signal low tire assembly, excluding the spare tire tire pressure warning light and the pressure as intended. TPMS and wheel assembly. The TPMS DIC warning message come on at malfunctions may occur for a variety sensors monitor the air pressure in each ignition cycle until the tires are of reasons, including the installation inflated to the correct inflation of replacement or alternate tires or pressure. If the vehicle has DIC GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (55,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-55

buttons, tire pressure levels can be The TPMS can warn about a low TPMS Malfunction Light and viewed. For additional information tire pressure condition but it does Message and details about the DIC operation not replace normal tire and displays, see Driver Information maintenance. See Tire Inspection The TPMS will not function properly Center (DIC) on page 5-28 and Tire on page 10-58, Tire Rotation on if one or more of the TPMS sensors Messages on page 5-40. page 10-58 and Tires on are missing or inoperable. When the page 10-44. system detects a malfunction, the The low tire pressure warning light low tire pressure warning light may come on in cool weather when flashes for about one minute and the vehicle is first started, and then { Caution then stays on for the remainder of turn off as the vehicle is driven. This the ignition cycle. A DIC warning Tire sealant materials are not all could be an early indicator that the message also displays. The the same. A non-approved tire air pressure is getting low and malfunction light and DIC warning needs to be inflated to the proper sealant could damage the TPMS message come on at each ignition pressure. sensors. TPMS sensor damage cycle until the problem is corrected. caused by using an incorrect tire A Tire and Loading Information label Some of the conditions that can sealant is not covered by the shows the size of the original cause these to come on are: vehicle warranty. Always use only equipment tires and the correct . One of the road tires has been inflation pressure for the tires when the GM approved tire sealant available through your dealer or replaced with the spare tire. The they are cold. See Vehicle Load spare tire does not have a included in the vehicle. Limits on page 9-14, for an example TPMS sensor. The malfunction of the Tire and Loading Information light and the DIC message label and its location. Also see Tire should go off after the road tire Pressure on page 10-51. is replaced and the sensor matching process is performed successfully. See "TPMS Sensor Matching Process" later in this section. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (56,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-56 Vehicle Care

. The TPMS sensor matching . Operating electronic devices or using a TPMS relearn tool, in the process was not done or not being near facilities using radio following order: driver side front tire, completed successfully after wave frequencies similar to the passenger side front tire, passenger rotating the tires. The TPMS could cause the TPMS side rear tire, and driver side rear. malfunction light and the DIC sensors to malfunction. See your dealer for service or to message should go off after If the TPMS is not functioning purchase a relearn tool. A TPMS successfully completing the properly, it cannot detect or signal a relearn tool can also be purchased. sensor matching process. See low tire condition. See your dealer See Tire Pressure Monitor Sensor "TPMS Sensor Matching for service if the TPMS malfunction Activation Tool at Process" later in this section. light and DIC message come on www.gmtoolsandequipment.com or . One or more TPMS sensors are and stay on. call 1-800-GM TOOLS missing or damaged. The (1-800-468-6657). malfunction light and the DIC TPMS Sensor Matching Process There are two minutes to match the message should go off when the first tire/wheel position, and TPMS sensors are installed and Each TPMS sensor has a unique five minutes overall to match all four the sensor matching process is identification code. The identification tire/wheel positions. If it takes performed successfully. See code needs to be matched to a new longer, the matching process stops your dealer for service. tire/wheel position after rotating the and must be restarted. . vehicle s tires or replacing one or Replacement tires or wheels do ’ The TPMS sensor matching more of the TPMS sensors. Also, not match the original equipment process is: tires or wheels. Tires and wheels the TPMS sensor matching process other than those recommended should be performed after replacing 1. Set the parking brake. could prevent the TPMS from a spare tire with a road tire 2. Turn the ignition to ON/RUN with functioning properly. See Buying containing the TPMS sensor. The the engine off or place the New Tires on page 10-60. malfunction light and the DIC vehicle power mode in ON/RUN/ message should go off at the next START. ignition cycle. The sensors are matched to the tire/wheel positions, GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (57,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-57

3. Uplevel DIC Only: Make sure the 5. If the vehicle has an uplevel 8. Proceed to the passenger side Tire Pressure info page option is DIC, press and hold the V (Set/ front tire, and repeat the turned on. The info pages on the Reset) button located in the procedure in Step 7. DIC can be turned on and off center of the DIC controls. 9. Proceed to the passenger side through the Settings menu. See If the vehicle has a base level rear tire, and repeat the Driver Information Center (DIC) procedure in Step 7. on page 5-28. DIC, press and hold the trip odometer reset stem for about 10. Proceed to the driver side rear 4. If the vehicle has an uplevel five seconds. A message asking tire, and repeat the procedure DIC, use the DIC controls on the if the process should begin in Step 7. The horn sounds two right side of the steering wheel should appear. Select yes and times to indicate the sensor to scroll to the Tire Pressure press the trip odometer reset identification code has been screen under the DIC info page. stem to confirm the selection. matched to the driver side rear If the vehicle has a base level The horn sounds twice to signal tire, and the TPMS sensor DIC, use the trip odometer reset the receiver is in relearn mode matching process is no longer stem to scroll to the Tire and the TIRE LEARNING active. The TIRE LEARNING Pressure screen. ACTIVE message displays on ACTIVE message on the DIC the DIC screen. display screen goes off. 6. Start with the driver side 11. Turn the ignition switch to front tire. LOCK/OFF. 7. Place the relearn tool against 12. Set all four tires to the the tire sidewall, near the valve recommended air pressure stem. Then press the button to level as indicated on the Tire activate the TPMS sensor. and Loading Information label. A horn chirp confirms that the sensor identification code has been matched to this tire and wheel position. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (58,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-58 Vehicle Care

Tire Inspection . The tire has a puncture, cut, alignment. See When It Is Time or other damage that cannot for New Tires on page 10-59 We recommend that the tires, be repaired well because of and Wheel Replacement on including the spare tire, if the the size or location of the page 10-64. vehicle has one, be inspected damage. for signs of wear or damage at least once a month. Tire Rotation Replace the tire if: Tires should be rotated every . The indicators at three or 12 000 km (7,500 mi). See more places around the tire Maintenance Schedule on can be seen. page 11-2. . There is cord or fabric Tires are rotated to achieve a showing through the tire's uniform wear for all tires. The rubber. first rotation is the most important. . The tread or sidewall is cracked, cut, or snagged Anytime unusual wear is Use this rotation pattern when deep enough to show cord or noticed, rotate the tires as soon rotating the tires. fabric. as possible, check for proper tire inflation pressure, and check for Do not include the spare tire in . The tire has a bump, bulge, damaged tires or wheels. If the the tire rotation. or split. unusual wear continues after the Adjust the front and rear tires to rotation, check the wheel the recommended inflation pressure on the Tire and Loading Information label after the tires have been rotated. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (59,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-59

See Tire Pressure on page 10-51 and Vehicle Load Warning (Continued) Limits on page 9-14. towel can be used; however, use Reset the Tire Pressure Monitor a scraper or wire brush later to System. See Tire Pressure remove all rust or dirt. Monitor Operation on page 10-54. Lightly coat the center of the Check that all wheel nuts are wheel hub with wheel bearing properly tightened. See “Wheel grease after a wheel change or Nut Torque” under Capacities tire rotation to prevent corrosion and Specifications on or rust build-up. Do not get page 12-2. grease on the flat wheel Treadwear indicators are one way to mounting surface or on the tell when it is time for new tires. wheel nuts or bolts. Treadwear indicators appear when { Warning the tires have only 1.6 mm (1/16 in) or less of tread remaining. Some Rust or dirt on a wheel, or on the When It Is Time for New commercial truck tires may not have parts to which it is fastened, can Tires treadwear indicators. See Tire make wheel nuts become loose Inspection on page 10-58 and Tire after time. The wheel could come Factors, such as maintenance, temperatures, driving speeds, Rotation on page 10-58 for off and cause an accident. When additional information. changing a wheel, remove any vehicle loading, and road conditions affect the wear rate of the tires. rust or dirt from places where the The rubber in tires ages over time. This also applies to the spare tire, wheel attaches to the vehicle. In if the vehicle has one, even if it is an emergency, a cloth or a paper never used. Multiple factors (Continued) including temperatures, loading conditions, and inflation pressure GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (60,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-60 Vehicle Care

maintenance affect how fast aging driving. When storing a vehicle for number is molded onto the tire's takes place. GM recommends that at least a month, remove the tires or sidewall near the tire size. If the tires, including the spare if raise the vehicle to reduce the tires have an all-season tread equipped, be replaced after six weight from the tires. design, the TPC Spec number years, regardless of tread wear. The will be followed by MS for mud tire manufacture date is the last four Buying New Tires digits of the DOT Tire Identification and snow. See Tire Sidewall Number (TIN) which is molded into GM has developed and matched Labeling on page 10-46 for one side of the tire sidewall. The specific tires for the vehicle. The additional information. first two digits represent the week original equipment tires installed GM recommends replacing worn (01-52) and the last two digits, the were designed to meet General tires in complete sets of four. year. For example, the third week of Motors Tire Performance Criteria Uniform tread depth on all tires the year 2010 would have a Specification (TPC Spec) four-digit DOT date of 0310. will help to maintain the system rating. When performance of the vehicle. Vehicle Storage replacement tires are needed, Braking and handling GM strongly recommends performance may be adversely Tires age when stored normally buying tires with the same TPC mounted on a parked vehicle. Park affected if all the tires are not a vehicle that will be stored for at Spec rating. replaced at the same time. least a month in a cool, dry, clean GM's exclusive TPC Spec If proper rotation and area away from direct sunlight to system considers over a dozen maintenance have been done, slow aging. This area should be free critical specifications that impact all four tires should wear out at of grease, gasoline, or other the overall performance of the about the same time. See Tire substances that can deteriorate Rotation on page 10-58 for rubber. vehicle, including brake system performance, ride and handling, information on proper tire Parking for an extended period can traction control, and tire rotation. However, if it is cause flat spots on the tires that pressure monitoring may result in vibrations while performance. GM's TPC Spec GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (61,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-61

necessary to replace only one axle set of worn tires, place the Warning (Continued) Warning (Continued) new tires on the rear axle. This vehicle may have a suddenly and cause a crash. different size spare than the Use only radial-ply tires with { Warning road tires originally installed the wheels on the vehicle. Tires could explode during on the vehicle. When new, the improper service. Attempting vehicle included a spare tire Winter tires with the same speed to mount or dismount a tire and wheel assembly with a rating as the original equipment could cause injury or death. similar overall diameter as the tires may not be available for H, Only your dealer or authorized road tires and wheels, so it is V, W, Y and ZR speed rated tire service center should all right to drive on it. The tires. Never exceed the winter spare tire was developed for mount or dismount the tires. tires’ maximum speed capability use on this vehicle and will not when using winter tires with a affect vehicle handling. lower speed rating. { Warning If the vehicle tires must be replaced with a tire that does not Mixing tires of different sizes, { Warning have a TPC Spec number, make brands, or types may cause Using bias-ply tires on the sure they are the same size, loss of control of the vehicle, load range, speed rating, and resulting in a crash or other vehicle may cause the wheel rim flanges to develop cracks construction (radial) as the vehicle damage. Use the original tires. correct size, brand, and type after many miles of driving. Vehicles that have a tire of tires on all wheels. A tire and/or wheel could fail (Continued) pressure monitoring system (Continued) could give an inaccurate GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (62,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-62 Vehicle Care

low-pressure warning if non-TPC or All-Wheel Drive, the performance Uniform Tire Quality Spec rated tires are installed. of these systems can also be Grading See Tire Pressure Monitor affected. System on page 10-53. The following information relates { Warning to the system developed by the The Tire and Loading United States National Highway Information label indicates the If different sized wheels are used, Traffic Safety Administration original equipment tires on the there may not be an acceptable (NHTSA), which grades tires by vehicle. See Vehicle Load Limits level of performance and safety if treadwear, traction, and on page 9-14 for the label tires not recommended for those temperature performance. This location and more information wheels are selected. This applies only to vehicles sold in increases the chance of a crash about the Tire and Loading the United States. The grades Information label. and serious injury. Only use GM specific wheel and tire systems are molded on the sidewalls of Different Size Tires and developed for the vehicle, and most passenger car tires. The have them properly installed by a Uniform Tire Quality Grading Wheels GM certified technician. (UTQG) system does not apply If wheels or tires are installed that to deep tread, winter tires, are a different size than the original compact spare tires, tires with See Buying New Tires on equipment wheels and tires, vehicle nominal rim diameters of page 10-60 and Accessories and performance, including its braking, Modifications on page 10-3. 10 to 12 inches (25 to 30 cm), ride and handling characteristics, or to some limited-production stability, and resistance to rollover tires. may be affected. If the vehicle has electronic systems such as antilock While the tires available on brakes, rollover airbags, traction General Motors passenger cars control, electronic stability control, and light trucks may vary with respect to these grades, they GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (63,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-63

must also conform to federal one-half (1½) times as well on tests, and does not include safety requirements and the government course as a tire acceleration, cornering, additional General Motors Tire graded 100. The relative hydroplaning, or peak traction Performance Criteria (TPC) performance of tires depends characteristics. standards. upon the actual conditions of Temperature Quality grades can be found their use, however, and may The temperature grades are A where applicable on the tire depart significantly from the (the highest), B, and C, sidewall between tread shoulder norm due to variations in driving representing the tire's resistance and maximum section width. For habits, service practices and to the generation of heat and its example: differences in road characteristics and climate. ability to dissipate heat when Treadwear 200 Traction AA tested under controlled Temperature A Traction conditions on a specified indoor All Passenger Car Tires Must The traction grades, from laboratory test wheel. Sustained Conform to Federal Safety highest to lowest, are AA, A, B, high temperature can cause the Requirements In Addition To and C. Those grades represent material of the tire to degenerate These Grades. the tire's ability to stop on wet and reduce tire life, and pavement as measured under excessive temperature can lead Treadwear controlled conditions on to sudden tire failure. The grade The treadwear grade is a specified government test C corresponds to a level of comparative rating based on the surfaces of asphalt and performance which all wear rate of the tire when tested concrete. A tire marked C may passenger car tires must meet under controlled conditions on a have poor traction performance. under the Federal Motor Safety specified government test Warning: The traction grade Standard No. 109. Grades B and course. For example, a tire assigned to this tire is based on A represent higher levels of graded 150 would wear one and straight-ahead braking traction performance on the laboratory GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (64,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-64 Vehicle Care

test wheel than the minimum vibrating when driving on a smooth required by law. Warning: The road, the tires and wheels may need { Warning temperature grade for this tire is to be rebalanced. See your dealer for proper diagnosis. Using the wrong replacement established for a tire that is wheels, wheel bolts, or wheel properly inflated and not Wheel Replacement nuts can be dangerous. It could overloaded. Excessive speed, affect the braking and handling of underinflation, or excessive Replace any wheel that is bent, the vehicle. Tires can lose air, loading, either separately or in cracked, or badly rusted or and cause loss of control, causing combination, can cause heat corroded. If wheel nuts keep coming a crash. Always use the correct buildup and possible tire failure. loose, the wheel, wheel bolts, and wheel, wheel bolts, and wheel wheel nuts should be replaced. nuts for replacement. If the wheel leaks air, replace it. Wheel Alignment and Tire Some aluminum wheels can be Balance repaired. See your dealer if any of The tires and wheels were aligned these conditions exist. { Caution and balanced at the factory to Your dealer will know the kind of The wrong wheel can also cause provide the longest tire life and best wheel that is needed. overall performance. Adjustments to problems with bearing life, brake Each new wheel should have the wheel alignment and tire balancing cooling, speedometer or same load-carrying capacity, are not necessary on a regular odometer calibration, headlamp diameter, width, offset, and be basis. Consider an alignment check aim, bumper height, vehicle mounted the same way as the one it if there is unusual tire wear or the ground clearance, and tire or tire replaces. vehicle is significantly pulling to one chain clearance to the body and side or the other. Some slight pull to Replace wheels, wheel bolts, wheel chassis. the left or right, depending on the nuts, or Tire Pressure Monitor crown of the road and/or other road System (TPMS) sensors with new surface variations such as troughs GM original equipment parts. or ruts, is normal. If the vehicle is GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (65,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-65

Used Replacement Wheels Warning (Continued) { Caution

{ Warning suspension, or other vehicle If the vehicle has P255/70R17 or parts. The area damaged by the P265/70R17 size tires, use tire Replacing a wheel with a used tire chains could cause loss of chains only where legal and only one is dangerous. How it has control and a crash. when necessary. Use chains that been used or how far it has been are the proper size for the tires. driven may be unknown. It could Use another type of traction Install them on the rear tires only. fail suddenly and cause a crash. device only if its manufacturer Do not use chains on the front When replacing wheels, use a recommends it for the vehicle's tires. Tighten them as tightly as new GM original equipment tire size combination and road possible with the ends securely wheel. conditions. Follow that manufacturer's instructions. To fastened. Drive slowly and follow avoid vehicle damage, drive slow the chain manufacturer's Tire Chains and readjust or remove the instructions. If the chains contact traction device if it is contacting the vehicle, stop and retighten { Warning the vehicle. Do not spin the them. If the contact continues, wheels. slow down until it stops. Driving If the vehicle has 265/65R18, too fast or spinning the wheels P265/65R18, P275/55R20, If traction devices are used, install with chains on will damage the or P285/45R22 size tires, do not them on the rear tires. vehicle. use tire chains. There is not enough clearance. Tire chains used on a vehicle without the proper amount of clearance can cause damage to the brakes, (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (66,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-66 Vehicle Care

If a Tire Goes Flat { Warning Warning (Continued) It is unusual for a tire to blowout while driving, especially if the tires Driving on a flat tire will cause changing a flat tire. If it is used for are maintained properly. If air goes permanent damage to the tire. anything else, you or others could out of a tire, it is much more likely to Re-inflating a tire after it has been be badly injured or killed if the leak out slowly. But if there ever is a driven on while severely vehicle slips off the jack. If a jack blowout, here are a few tips about underinflated or flat may cause a is provided with the vehicle, only what to expect and what to do: blowout and a serious crash. use it for changing a flat tire. If a front tire fails, the flat tire Never attempt to re-inflate a tire creates a drag that pulls the vehicle that has been driven on while If a tire goes flat, avoid further tire toward that side. Take your foot off severely underinflated or flat. and wheel damage by driving slowly the accelerator pedal and grip the Have your dealer or an authorized to a level place, well off the road, steering wheel firmly. Steer to tire service center repair or if possible. Turn on the hazard maintain lane position, and then replace the flat tire as soon as warning flashers. See Hazard gently brake to a stop, well off the possible. Warning Flashers on page 6-4. road, if possible. A rear blowout, particularly on a curve, acts much like a skid and { Warning may require the same correction as used in a skid. Stop pressing the Lifting a vehicle and getting under accelerator pedal and steer to it to do maintenance or repairs is straighten the vehicle. It may be dangerous without the very bumpy and noisy. Gently brake appropriate safety equipment and to a stop, well off the road, training. If a jack is provided with if possible. the vehicle, it is designed only for (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (67,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-67

Tire Changing { Warning Warning (Continued) Removing the Spare Tire and Changing a tire can be 6. Place wheel blocks, Tools dangerous. The vehicle can slip if equipped, on both sides of off the jack and roll over or fall the tire at the opposite The equipment needed to change a causing injury or death. Find a corner of the tire being flat tire is stored in the rear of the level place to change the tire. To changed. vehicle, on the driver side, behind a help prevent the vehicle from door in the trim panel. moving: When the vehicle has a flat tire (2), 1. Set the parking brake firmly. use the following example as a guide to assist in the placement of 2. Put the shift lever in the wheel blocks (1), if equipped. P (Park). 3. For vehicles with four-wheel-drive with a N (Neutral) transfer case position, be sure the transfer case is in a drive gear — not in N (Neutral). 4. Turn off the engine and do not restart while the vehicle is raised. 1. Jack Knob 1. Wheel Block (If Equipped) 2. Wing Nut Retaining the 5. Do not allow passengers to 2. Flat Tire Wheel Blocks remain in the vehicle. 3. Wing Nut Retaining the The following information explains (Continued) Tool Bag how to use the jack and change a tire. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (68,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-68 Vehicle Care

4. Turn the jack knob (1) 5. Wheel Wrench counterclockwise to release the To access the spare tire, refer to the jack and wheel blocks from the following graphics and instructions: bracket. 5. Turn the wing nut retaining the wheel blocks (2) counterclockwise to remove the wheel blocks and the wheel block retainer. Use the following tools:

1. Pull to open the trim panel door. The third row driver side seat may need to be folded to access the trim panel door. 2. Lift the acoustic pad to access 1. Hoist Assembly the jack and tools. 2. Hoist Shaft 3. Hoist Shaft Access 3. Turn the wing nut retaining the Cover/Hole tool bag (3) counterclockwise to remove it. 4. Jack Handle Extensions 5. Wheel Wrench Pull the tool bag toward the front 6. Spare Tire Lock of the vehicle and lift the rear 1. Jack 7. Hoist End of Extension Tool portion of the bag upward to 2. Wheel Blocks 8. Hoist Shaft Access Hole remove it. 3. Jack Handle 9. Spare Tire (Valve Stem 4. Jack Handle Extensions Pointed Down) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (69,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-69

10. Tire/Wheel Retainer 11. Hoist Cable 1. Open the hoist shaft access door (3) on the bumper to access the spare tire lock (6).

3. Assemble the two jack handle 4. Insert the open end of the extensions (4) and wheel extension (7) through the hole in wrench (5), as shown. the rear bumper (8) (hoist shaft If equipped with a hitch cover, access hole). turn the hitch cover retainers Be sure the hoist end of the counterclockwise and pull the extension (7) connects to the cover downward to remove it hoist shaft. The ribbed square before removing the hoist shaft end of the extension is used to access door. lower the spare tire. 2. To remove the spare tire lock 5. Turn the wheel wrench (6), insert the ignition key, turn it counterclockwise to lower the clockwise and then pull it spare tire to the ground. straight out. Continue to turn the wheel GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (70,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-70 Vehicle Care

wrench until the spare tire can Removing the Flat Tire and be pulled out from under the Installing the Spare Tire vehicle. 1. Do a safety check before proceeding. See If a Tire Goes Flat on page 10-66 for more information.

7. Tilt the tire toward the vehicle with some slack in the cable to access the tire/wheel retainer. Tilt the retainer and pull it and the cable and spring through the center of the wheel. Once the retainer is separated 6. Use the wheel wrench hook to from the guide pin, tilt the 2. If the vehicle has a center cap pull the hoist cable closer to retainer and pull it through the that covers the wheel fasteners, assist in reaching the spare tire. center of the wheel along with place the chisel end of the wheel the cable and latch. wrench in the slot on the wheel 8. Put the spare tire near the and gently pry the cap out. flat tire. If the wheel has a bolt-on hub cap, loosen the plastic nut caps by turning the wheel wrench counterclockwise. The plastic GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (71,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-71

nut caps will be retained in the Front Tire Flat: If the flat tire is hub cap after it is removed from on a front tire of the vehicle, use the wheel. the jack handle and only one jack handle extension. Attach the wheel wrench to the jack handle extension. Attach the jack handle to the jack. Position the jack on the frame behind the flat tire where the frame sections Jacking Locations (Overall View) overlap. Turn the wheel wrench 4. Position the jack under the clockwise to raise the vehicle. vehicle, as shown. Raise the vehicle far enough off the ground so there is enough room for the spare tire to clear the ground.

3. Use the wheel wrench to loosen all the wheel nuts. Turn the wheel wrench counterclockwise to loosen the wheel nuts. Do not remove the wheel nuts yet.

Left Front Shown, Right Front Similar Rear Position GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (72,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-72 Vehicle Care

Rear Tire Flat: If the flat tire is on a rear tire of the vehicle, use { Warning the jack handle (2) and both jack handle extensions (3). Attach the Raising the vehicle with the jack wheel wrench (4) to the jack improperly positioned can handle extensions (3). Attach the damage the vehicle and even jack handle (2) to the jack (1). make the vehicle fall. To help Use the jacking pad (5) provided avoid personal injury and vehicle on the rear axle. Turn the wheel damage, be sure to fit the jack lift wrench (4) clockwise to raise the head into the proper location vehicle. Raise the vehicle far before raising the vehicle. enough off the ground so there is enough room for the spare tire to clear the ground. 7. Remove any rust or dirt from the wheel bolts, mounting surfaces, and spare wheel. { Warning

Getting under a vehicle when it is { Warning lifted on a jack is dangerous. Rust or dirt on a wheel, or on the If the vehicle slips off the jack, parts to which it is fastened, can you could be badly injured or make wheel nuts become loose killed. Never get under a vehicle after time. The wheel could come when it is supported only by off and cause an accident. When a jack. changing a wheel, remove any rust or dirt from places where the 5. Remove all of the wheel nuts. wheel attaches to the vehicle. In 6. Take off the flat tire. (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (73,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-73

10. Turn the wheel wrench Warning (Continued) counterclockwise to lower the { Warning vehicle. Lower the jack an emergency, a cloth or a paper completely. Wheel nuts that are improperly or towel can be used; however, use incorrectly tightened can cause a scraper or wire brush later to the wheels to become loose or remove all rust or dirt. come off. The wheel nuts should be tightened with a torque wrench 8. Put the wheel nuts back on with to the proper torque specification the rounded end of the nuts after replacing. Follow the torque toward the wheel after mounting specification supplied by the the spare tire. aftermarket manufacturer when using accessory locking wheel { Warning nuts. See Capacities and Specifications on page 12-2 for Never use oil or grease on bolts original equipment wheel nut or nuts because the nuts might torque specifications. come loose. The vehicle's wheel 11. Tighten the nuts firmly in a could fall off, causing a crash. crisscross sequence as shown by turning the wheel wrench { Caution 9. Tighten each wheel nut by hand. clockwise. Then use the wheel wrench to Improperly tightened wheel nuts tighten the nuts until the wheel is can lead to brake pulsation and held against the hub. rotor damage. To avoid expensive brake repairs, evenly tighten the wheel nuts in the proper (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (74,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-74 Vehicle Care

. For bolt-on hub caps, line up the Caution (Continued) plastic nut caps with the wheel Caution (Continued) nuts and tighten clockwise by sequence and to the proper hand to get them started. Then the valve stem pointing up can torque specification. See tighten with the wheel wrench damage the wheel. Always stow Capacities and Specifications on until snug. the wheel with the valve stem page 12-2 for the wheel nut pointing down and have the torque specification. Storing a Flat or Spare Tire wheel/tire repaired as soon as and Tools possible. When reinstalling the regular wheel { Warning and tire, also reinstall either the center cap or the bolt-on hub cap, Storing a jack, a tire, or other { Caution depending on which one the equipment in the passenger vehicle has. compartment of the vehicle could The tire hoist can be damaged if . For center caps, line up the tab cause injury. In a sudden stop or there is no tension on the cable on the center cap with the slot in collision, loose equipment could when using it. To have the the wheel. The cap only goes in strike someone. Store all these in necessary tension, the spare or one way. Place the cap on the the proper place. road tire and wheel assembly wheel and press until it snaps must be installed on the tire hoist into place. to use it. { Caution

Storing an aluminum wheel with a flat tire under your vehicle for an extended period of time or with (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (75,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-75

Store the tire under the rear of the 9. Spare Tire (Valve Stem vehicle in the spare tire carrier. Pointed Down) Refer to the following graphics and 10. Tire/Wheel Retainer instructions to help you: 11. Hoist Cable 1. Put the tire (9) on the ground at the rear of the vehicle with the valve stem pointed down, and to the rear. 2. Tilt the tire toward the vehicle. Separate the tire/wheel retainer from the guide pin. Pull the pin through the center of the wheel. Tilt the retainer down through 3. Assemble the two jack handle the center wheel opening. extensions (4) and wheel wrench (5), as shown. Make sure the retainer is fully seated across the underside of 1. Hoist Assembly the wheel. 2. Hoist Shaft 3. Hoist Shaft Access Cover/Hole 4. Jack Handle Extensions 5. Wheel Wrench 6. Spare Tire Lock 7. Hoist End of Extension Tool 8. Hoist Shaft Access Hole GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (76,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-76 Vehicle Care

To store the tools, do the following: 1. Return the tools (wheel wrench, jack handle, and jack handle extensions) to the tool bag. 2. Assemble the wheel blocks and jack together with the wing nut. 3. Position the jack and wheel blocks in the driver side trim panel over the wheelhouse. 4. Turn the jack knob clockwise until the jack is secured tight in 4. Insert the open end of the 7. Make sure the tire is stored the mounting bracket. Be sure to extension (7) through the hole in securely. Push, pull, and then try position the holes in the base of the rear bumper (8) (hoist shaft to turn the tire. If the tire moves, the jack onto the pin in the access hole). use the wheel wrench to tighten mounting bracket. the cable. 5. Raise the tire part way upward. 5. Use the retaining bracket to Make sure the retainer is seated 8. Reinstall the spare tire lock. fasten the tool bag on the stud in the wheel opening. 9. Reinstall the hoist shaft access and turn the wing nut clockwise 6. Raise the tire fully against the cover. to secure. underside of the vehicle by If equipped, reinstall the hitch 6. Close the trim panel door. turning the wheel wrench cover and turn the retainers clockwise until you hear two clockwise. clicks or feel it skip twice. The cable cannot be overtightened. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (77,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-77

Full-Size Spare Tire Have the damaged or flat road tire { Caution repaired or replaced and installed If this vehicle came with a full-size back onto the vehicle as soon as spare tire, it was fully inflated when If the vehicle has four-wheel drive possible so the spare tire will be new, however, it can lose air over and a different size spare tire is available in case it is needed again. time. Check the inflation pressure installed, do not drive in regularly. See Tire Pressure on four-wheel drive until the flat tire Do not mix tires and wheels of page 10-51 and Vehicle Load Limits is repaired and/or replaced. The different sizes, because they will not on page 9-14. For instructions on vehicle could be damaged and fit. Keep your spare tire and its wheel together. If the vehicle has a how to remove, install, or store a the repairs would not be covered spare tire that does not match the spare tire, see Tire Changing on by the warranty. Never use page 10-67. original road tires and wheels in size four-wheel drive when a different and type, do not include the spare in If equipped with a temporary use size spare tire is installed on the the tire rotation. full-size spare tire, it is indicated on vehicle. the tire sidewall. See Tire Sidewall Labeling on page 10-46. This spare The vehicle may have a different tire should not be driven on over size spare tire than the road tires 112 km/h (70 mph), or 88 km/h originally installed on the vehicle. (55 mph) when pulling a trailer, at This spare tire was developed for the proper inflation pressure. use on this vehicle, so it is all right Repair and replace the road tire as to drive on it. If the vehicle has soon as it is convenient, and stow four-wheel drive and a different size the spare tire for future use. spare tire is installed, drive only in two-wheel drive. After installing the spare tire on the vehicle, stop as soon as possible and check that the spare tire is correctly inflated. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (78,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-78 Vehicle Care

Jump Starting reduce electrical resistance. This { Caution is located on the passenger For more information about the side, in the rear of the engine vehicle battery, see Battery on Ignoring these steps could result compartment. page 10-23. in costly damage to the vehicle that would not be covered by the 3. Get the vehicles close enough If the vehicle's battery (or batteries) vehicle warranty. Trying to start so the jumper cables can reach, has run down, you may want to use the vehicle by pushing or pulling it but be sure the vehicles are not another vehicle and some jumper will not work, and it could damage touching each other. If they are, cables to start your vehicle. Be sure it could cause an unwanted the vehicle. to use the following steps to do it ground connection. You would safely. not be able to start your vehicle, 1. Check the other vehicle. It must and the bad grounding could { Warning have a 12-volt battery with a damage the electrical systems. negative ground system. To avoid the possibility of the Batteries can hurt you. They can vehicles rolling, set the parking be dangerous because: { Caution brake firmly on both vehicles . They contain acid that can involved in the jump start burn you. If the other vehicle does not have procedure. Put the automatic a 12-volt system with a negative transmission in P (Park) or a . They contain gas that can ground, both vehicles can be manual transmission in Neutral explode or ignite. damaged. Only use a vehicle that before setting the parking brake. . They contain enough has a 12-volt system with a For vehicles with electricity to burn you. negative ground for jump starting. four-wheel-drive with a If you do not follow these steps N (Neutral) transfer case position, be sure the transfer exactly, some or all of these 2. If the vehicle is equipped with case is in a drive gear not things can hurt you. dual batteries, using the battery — that is closer to the starter will N (Neutral). GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (79,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-79

5. Open the hood on the other { Caution vehicle and locate the { Warning positive (+) and negative (−) If any accessories are left on or terminal locations on that Using a match near a battery can plugged in during the jump vehicle. cause battery gas to explode. starting procedure, they could be People have been hurt doing this, damaged. The repairs would not The positive (+) terminal is under and some have been blinded. be covered by the vehicle a red plastic cover at the positive Use a flashlight if you need more warranty. Whenever possible, turn battery post. To uncover the light. positive (+) terminal, open the off or unplug all accessories on red plastic cover. Battery fluid contains acid that either vehicle when jump starting. can burn you. Do not get it on For more information on the location of the remote you. If you accidentally get it in 4. Turn off the ignition on both positive (+) and remote negative your eyes or on your skin, flush vehicles. Unplug unnecessary (−) terminals, see Engine the place with water and get accessories plugged into the Compartment Overview on medical help immediately. accessory power outlets. Turn page 10-5. off the radio and all the lamps that are not needed. This will avoid sparks and help save both { Warning { Warning batteries. And it could save the An electric fan can start up even radio! Fans or other moving engine when the engine is not running parts can injure you badly. Keep and can injure you. Keep hands, your hands away from moving clothing and tools away from any parts once the engine is running. underhood electric fan. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (80,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-80 Vehicle Care

6. Check that the jumper cables do 9. Connect the black negative (−) not have loose or missing cable to the negative (−) terminal insulation. If they do, you could of the good battery. Use a get a shock. The vehicles could remote negative (−) terminal if be damaged too. the vehicle has one. Before you connect the cables, Do not let the other end touch here are some basic things you anything until the next step. should know. Positive (+) will go to positive (+) or to a remote positive (+) terminal if the vehicle has one. Negative (−) will go to a heavy, unpainted metal engine part or to a remote 7. Connect the red positive (+) negative (−) terminal if the cable to the positive (+) terminal vehicle has one. of the vehicle with the dead battery. Do not connect positive (+) to negative (−) or you will get a 8. Do not let the other end touch short that would damage the metal. Connect it to the battery and maybe other parts positive (+) terminal of the good too. And do not connect the battery. Use a remote negative (−) cable to the positive (+) terminal if the 10. Connect the other end of the negative (−) terminal on the vehicle has one. negative (−) cable to the metal dead battery because this can bracket that is bolted to the cause sparks. engine and supports the resonator, on the vehicle with the dead battery. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (81,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-81

11. Start the vehicle with the good Towing the Vehicle towing is towing the vehicle with two battery and run the engine for a wheels on the ground and two while. wheels on a dolly. { Caution 12. Try to start the vehicle that had Follow the tow vehicle the dead battery. If it will not Incorrectly towing a disabled manufacturer’s instructions. See start after a few tries, it vehicle may cause damage. The your dealer or trailering professional probably needs service. damage would not be covered by for additional advice and equipment the vehicle warranty. recommendations. { Caution { Caution If the jumper cables are Have the vehicle towed on a flatbed connected or removed in the car carrier. A wheel lift tow truck Use of a shield mounted in front wrong order, electrical shorting could damage the vehicle. of the vehicle grille could restrict may occur and damage the Consult your dealer or a airflow and cause damage to the vehicle. The repairs would not be professional towing service if the transmission. The repairs would covered by the vehicle warranty. disabled vehicle must be towed. not be covered by the vehicle Always connect and remove the warranty. If using a shield, only jumper cables in the correct order, Recreational Vehicle use one that attaches to the making sure that the cables do Towing towing vehicle. not touch each other or other metal. Recreational vehicle towing means towing the vehicle behind another vehicle, such as a motor home. The Jumper Cable Removal two most common types of Reverse the sequence exactly when recreational vehicle towing are removing the jumper cables. dinghy and dolly towing. Dinghy towing is towing the vehicle with all four wheels on the ground. Dolly GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (82,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-82 Vehicle Care

Dinghy Towing Two-wheel-drive vehicles should not be towed with all four wheels on the { Warning Two-Wheel-Drive Vehicles ground. Shifting a four-wheel-drive Four-Wheel-Drive Vehicles vehicle's transfer case into N (Neutral) can cause the vehicle to roll even if the transmission is in P (Park). You or others could be injured. Set the parking brake before shifting the transfer case to N (Neutral).

Follow these steps to dinghy tow: 1. Position the vehicle being towed behind the tow vehicle, facing forward and on a level surface. { Caution 2. Securely attach the vehicle Only dinghy tow four-wheel-drive being towed to the tow vehicle. If the two-wheel-drive vehicle is vehicles with a two-speed transfer towed with all four wheels on the case that have an N (Neutral) and a 3. Apply the parking brake and ground, the drivetrain Four-Wheel Drive Low (4 n) setting. start the engine. components could be damaged. For vehicles with electric parking The repairs would not be covered brakes, the parking brake cannot by the vehicle warranty. be applied and the tires must be chocked. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (83,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-83

4. Shift the transfer case to negative battery post with a Disconnecting the Towed Vehicle N (Neutral). See “Shifting into non-conductive material to Before disconnecting the towed N (Neutral)” under Four-Wheel prevent any contact with the vehicle: Drive on page 9-37 for the negative battery terminal. 1. Park on a level surface. proper procedure. Check that 7. Shift the transmission to the vehicle is in N (Neutral) by P (Park). 2. Set the parking brake, shift the shifting the transmission to transmission to P (Park). R (Reverse) and then to D (Drive). There should be no { Caution 3. Connect the battery. movement of the vehicle while If the steering column is locked, 4. Apply the brake pedal. shifting. vehicle damage may occur. 5. Start the engine, then shift the 5. With the transmission in D transfer case out of N (Neutral) (Drive), turn the ignition to ACC/ to Two-Wheel Drive High. See 9. Move the steering wheel to ACCESSORY. Vehicles with Four-Wheel Drive on page 9-37 make sure the steering column Keyless Access, turn the for directions on shifting out of is unlocked. engine off. N (Neutral). 10. Release the parking brake. 6. Check that the vehicle is in { Caution 11. Keep the ignition key in the Two-Wheel Drive High by towed vehicle in ACC/ shifting the transmission to Failure to disconnect the negative ACCESSORY to prevent the R (Reverse) and then to D battery cable or to have it contact steering column from locking. (Drive). There should be the terminals can cause damage Vehicles with Keyless Access, movement of the vehicle while to the vehicle. keep the RKE Transmitter shifting. outside of the vehicle, and 7. Shift the transmission to manually lock doors. Access 6. Disconnect the negative battery P (Park) and turn off the ignition. cable at the battery and secure vehicle same as dead vehicle/ the nut and bolt. Cover the transmitter process (back up 8. Disconnect the vehicle from the key in door lock). tow vehicle. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (84,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-84 Vehicle Care

9. Release the parking brake. To dolly tow a two-wheel-drive { Caution 10. Reset any lost presets. vehicle or a four-wheel drive vehicle with a single speed automatic The outside temperature If a two-wheel-drive vehicle is transfer case, the vehicle must be display will default to 32°F but towed with the rear wheels on the towed with the rear wheels on the will reset with normal usage. ground, the transmission could be dolly. See “Rear Towing (Rear damaged. The repairs would not Dolly Towing Front Towing Wheels Off the Ground)” later in this – be covered by the vehicle section. (Front Wheels Off the Ground) warranty. Never tow the vehicle Four-Wheel Drive Vehicles with a Two-Wheel-Drive Vehicles and with the rear wheels on the ground. Two Speed Automatic Four-Wheel Drive Vehicles with a Transfer Case Single Speed Automatic Transfer Case Two-wheel-drive vehicles and four-wheel drive vehicles with a single speed automatic transfer case should not be towed with the rear wheels on the ground. Two-wheel-drive transmissions have no provisions for internal lubrication while being towed. Four-wheel drive vehicles with a single speed automatic transfer case have no neutral position and will spin the transmission when the rear wheels turn. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (85,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-85

To dolly tow a four-wheel drive 6. Shift the transfer case to Two-Wheel-Drive Vehicles and vehicle from the front: N (Neutral). See Four-Wheel Four-Wheel Drive Vehicles with a 1. Attach the dolly to the tow Drive on page 9-37. Single Speed Automatic Transfer Case vehicle following the dolly 7. Secure the vehicle to the dolly manufacturer's instructions. following the manufacturer's Use the following procedure to dolly tow the vehicle from the rear: 2. Drive the front wheels onto the instructions. dolly. 8. Release the parking brake only 1. Attach the dolly to the tow vehicle following the dolly 3. Shift the transmission to after the vehicle being towed is manufacturer's instructions. P (Park). firmly attached to the towing vehicle. 2. Drive the rear wheels onto the 4. Set the parking brake. 9. Turn the ignition to LOCK/OFF. dolly. { Warning Rear Towing (Rear Wheels Off 3. Firmly set the parking brake. the Ground) See Parking Brake on Shifting a four-wheel-drive page 9-42. vehicle's transfer case into 4. Put the transmission in P (Park). N (Neutral) can cause the vehicle to roll even if the transmission is 5. Secure the vehicle to the dolly following the manufacturer's in P (Park). You or others could instructions. be injured. Set the parking brake before shifting the transfer case 6. Use an adequate clamping to N (Neutral). device designed for towing to ensure that the front wheels are locked into the straight position. 5. Use a clamping device designed for towing to ensure that the 7. For four-wheel drive vehicles front wheels are locked into the with a single speed automatic straight position. transfer case, shift the transfer GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (86,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-86 Vehicle Care

case into Two-Wheel Drive High. 6. Use an adequate clamping Appearance Care See Four-Wheel Drive on device designed for towing to page 9-37. ensure that the front wheels are Exterior Care 8. Turn the ignition to LOCK/OFF. locked into the straight position. Locks Four-Wheel Drive Vehicles with a { Warning Two Speed Automatic Locks are lubricated at the factory. Transfer Case Shifting a four-wheel-drive Use a de-icing agent only when vehicle's transfer case into absolutely necessary, and have the Use the following procedure to dolly locks greased after using. See tow a four-wheel drive vehicle from N (Neutral) can cause the vehicle to roll even if the transmission is Recommended Fluids and the rear: Lubricants on page 11-12. in P (Park). You or others could 1. Attach the dolly to the tow be injured. Set the parking brake vehicle following the dolly Washing the Vehicle before shifting the transfer case manufacturer's instructions. To preserve the vehicle's finish, to N (Neutral). 2. Drive the rear wheels onto the wash it often and out of direct dolly. sunlight. 7. Shift the transfer case to 3. Firmly set the parking brake. N (Neutral). See Four-Wheel { Caution See Parking Brake on Drive on page 9-37. page 9-42. 8. Turn the ignition to LOCK/OFF. Do not use petroleum-based, 4. Put the transmission in P (Park). acidic, or abrasive cleaning After towing, see “Shifting Out of 5. Secure the vehicle to the dolly agents as they can damage the N (Neutral)” under Four-Wheel Drive vehicle's paint, metal, or plastic following the manufacturer's on page 9-37. instructions. parts. If damage occurs, it would not be covered by the vehicle warranty. Approved cleaning (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (87,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-87

washed. This could cause damage calcium chloride and other salts, ice Caution (Continued) that would not be covered by the melting agents, road oil and tar, tree vehicle warranty. sap, bird droppings, chemicals from products can be obtained from industrial chimneys, etc., can your dealer. Follow all If using an automatic car wash, follow the car wash instructions. The damage the vehicle's finish if they manufacturer directions regarding remain on painted surfaces. Wash correct product usage, necessary windshield wiper and rear window wiper, if equipped, must be off. the vehicle as soon as possible. safety precautions, and If necessary, use non-abrasive appropriate disposal of any Remove any accessories that may be damaged or interfere with the car cleaners that are marked safe for vehicle care product. wash equipment. painted surfaces to remove foreign matter. Rinse the vehicle well, before washing and after, to remove all Occasional hand waxing or mild { Caution cleaning agents completely. If they polishing should be done to remove are allowed to dry on the surface, residue from the paint finish. See Avoid using high-pressure they could stain. your dealer for approved cleaning washes closer than 30 cm (12 in) products. to the surface of the vehicle. Use Dry the finish with a soft, clean chamois or an all-cotton towel to Do not apply waxes or polishes to of power washers exceeding uncoated plastic, vinyl, rubber, 8,274 kPa (1,200 psi) can result avoid surface scratches and water spotting. decals, simulated wood, or flat paint in damage or removal of paint as damage can occur. and decals. Finish Care Application of aftermarket clearcoat { Caution The e symbol is on any sealant/wax materials is not recommended. If painted surfaces Machine compounding or underhood compartment electrical aggressive polishing on a center that should not be power are damaged, see your dealer to have the damage assessed and basecoat/clearcoat paint finish repaired. Foreign materials such as (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (88,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-88 Vehicle Care

The bright metal moldings on the Cleaning Exterior Lamps/ Caution (Continued) vehicle are aluminum or stainless Lenses, Emblems, Decals and steel. To prevent damage always Stripes may damage it. Use only follow these cleaning instructions: non-abrasive waxes and polishes Use only lukewarm or cold water, a that are made for a basecoat/ . Be sure the molding is cool to soft cloth, and a car washing soap clearcoat paint finish on the the touch before applying any to clean exterior lamps, lenses, vehicle. cleaning solution. emblems, decals and stripes. Follow . Use a cleaning solution instructions under "Washing the approved for aluminum or Vehicle" previously in this section. To keep the paint finish looking new, keep the vehicle garaged or stainless steel. Some cleaners Lamp covers are made of plastic, covered whenever possible. are highly acidic or contain and some have a UV protective alkaline substances and can coating. Do not clean or wipe them Protecting Exterior Bright Metal damage the moldings. when dry. Moldings . Always dilute a concentrated Do not use any of the following on cleaner according to the lamp covers: { Caution manufacturer’s instructions. . Abrasive or caustic agents. Failure to clean and protect the . Do not use chrome cleaners. . Washer fluids and other cleaning bright metal moldings can result . Do not use cleaners that are not agents in higher concentrations in a hazy white finish or pitting. intended for automotive use. than suggested by the This damage would not be . Use a nonabrasive wax on the manufacturer. covered by the vehicle warranty. vehicle after washing to protect . Solvents, alcohols, fuels, and extend the molding finish. or other harsh cleaners. . Ice scrapers or other hard items. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (89,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-89

. Aftermarket appearance caps or Windshield and Wiper Blades can be removed by rubbing with a covers while the lamps are clean cloth. See Recommended Clean the outside of the windshield illuminated, due to excessive Fluids and Lubricants on with glass cleaner. heat generated. page 11-12. Clean rubber blades using a lint-free { Caution cloth or paper towel soaked with Tires windshield washer fluid or a mild Use a stiff brush with tire cleaner to Failure to clean lamps properly detergent. Wash the windshield clean the tires. can cause damage to the lamp thoroughly when cleaning the cover that would not be covered blades. Bugs, road grime, sap, and { Caution by the vehicle warranty. a buildup of vehicle wash/wax treatments may cause wiper Using petroleum-based tire streaking. dressing products on the vehicle { Caution Replace the wiper blades if they are may damage the paint finish and/ worn or damaged. Damage can be or tires. When applying a tire Using wax on low gloss black caused by extreme dusty dressing, always wipe off any finish stripes can increase the conditions, sand, salt, heat, sun, overspray from all painted gloss level and create a snow, and ice. surfaces on the vehicle. non-uniform finish. Clean low Weatherstrips gloss stripes with soap and Wheels and Trim — Aluminum water only. Apply Dielectric silicone grease on weatherstrips to make them last or Chrome longer, seal better, and not stick or Use a soft, clean cloth with mild Air Intakes squeak. Lubricate weatherstrips at soap and water to clean the wheels. Clear debris from the air intakes, least once a year. Hot, dry climates After rinsing thoroughly with clean between the hood and windshield, may require more frequent water, dry with a soft, clean towel. when washing the vehicle. application. Black marks from A wax may then be applied. rubber material on painted surfaces GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (90,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-90 Vehicle Care

Control arm ball joints on 1500 { Caution Caution (Continued) Series vehicles are maintenance-free. Chrome wheels and other chrome automatic car wash that uses trim may be damaged if the silicone carbide tire cleaning vehicle is not washed after driving brushes. Damage could occur { Caution on roads that have been sprayed and the repairs would not be Lubrication of applicable Steering/ with magnesium, calcium, covered by the vehicle warranty. Suspension points should not be or sodium chloride. These done unless temperature is -12°C chlorides are used on roads for Steering, Suspension, and (10°F) or higher, or damage could conditions such as ice and dust. Chassis Components result. Always wash the chrome with soap and water after exposure. Visually inspect steering, suspension, and chassis Body Component Lubrication components for damaged, loose, Lubricate all key lock cylinders, or missing parts or signs of wear at { Caution hood hinges, liftgate hinges, steel least once a year. fuel door hinge and power assist To avoid surface damage, do not Inspect power steering for proper step hinges, unless the components use strong soaps, chemicals, hook-up, binding, leaks, cracks, are plastic. Applying silicone grease abrasive polishes, cleaners, chafing, etc. on weatherstrips with a clean cloth will make them last longer, seal brushes, or cleaners that contain Visually check constant velocity joint better, and not stick or squeak. acid on aluminum or boots and axle seals for leaks. chrome-plated wheels. Use only For 1500 Series vehicles, at least Underbody Maintenance approved cleaners. Also, never every other oil change lubricate the At least twice a year, spring and fall, drive a vehicle with aluminum or outer tie rod ends. use plain water to flush any chrome-plated wheels through an corrosive materials from the (Continued) underbody. Take care to thoroughly GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (91,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-91

clean any areas where mud and Chemical Paint Spotting Your dealer may have products for other debris can collect. If equipped cleaning the interior. Use cleaners Airborne pollutants can fall upon with power running boards, extend specifically designed for the and attack painted vehicle surfaces them and then use a high pressure surfaces being cleaned to prevent causing blotchy, ring-shaped wash to clean all joints and gaps. permanent damage. Apply all discolorations, and small, irregular cleaners directly to the cleaning dark spots etched into the paint Sheet Metal Damage cloth. Do not spray cleaners directly surface. See Finish Care “ ” on any switches or controls. If the vehicle is damaged and previously in this section. requires sheet metal repair or Cleaners should be removed replacement, make sure the body quickly. Never allow cleaners to repair shop applies anti-corrosion Interior Care remain on the surface being material to parts repaired or To prevent dirt particle abrasions, cleaned for extended periods replaced to restore corrosion regularly clean the vehicle's interior. of time. protection. Immediately remove any soils. Note Cleaners may contain solvents that Original manufacturer replacement that newspapers or dark garments can become concentrated in the parts will provide the corrosion that can transfer color to home interior. Before using cleaners, read protection while maintaining the furnishings can also permanently and adhere to all safety instructions vehicle warranty. transfer color to the vehicle's on the label. While cleaning the interior. interior, maintain adequate Finish Damage Use a soft bristle brush to remove ventilation by opening the doors and Quickly repair minor chips and dust from knobs and crevices on the windows. scratches with touch-up materials instrument cluster. Using a mild To prevent damage, do not clean available from your dealer to avoid soap solution, immediately remove the interior using the following corrosion. Larger areas of finish hand lotions, sunscreen, and insect cleaners or techniques: damage can be corrected in your repellent from all interior surfaces or dealer's body and paint shop. permanent damage may result. . Never use a razor or any other sharp object to remove a soil from any interior surface. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (92,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-92 Vehicle Care

. Never use a brush with stiff Fabric//Suede bristles. { Caution Start by vacuuming the surface . Never rub any surface To prevent scratching, never use using a soft brush attachment. If a aggressively or with excessive abrasive cleaners on automotive rotating brush attachment is being pressure. glass. Abrasive cleaners or used during vacuuming, only use it . Do not use laundry detergents or aggressive cleaning may damage on the floor carpet. Before cleaning, dishwashing soaps with the rear window defogger. gently remove as much of the soil degreasers. For liquid cleaners, as possible using one of the use approximately 20 drops per following techniques: Cleaning the windshield with water 3.8 L (1 gal) of water. . Gently blot liquids with a paper A concentrated soap solution will during the first three to six months of ownership will reduce tendency towel. Continue blotting until no leave a residue that creates more soil can be removed. streaks and attracts dirt. Do not to fog. . For solid soils, remove as much use solutions that contain strong Speaker Covers or caustic soap. as possible prior to vacuuming. Vacuum around a speaker cover To clean: . Do not heavily saturate the gently, so that the speaker will not upholstery when cleaning. be damaged. Clean spots with just 1. Saturate a clean lint-free . Do not use solvents or cleaners water and mild soap. colorfast cloth with water. containing solvents. Microfiber cloth is recommended Coated Moldings to prevent lint transfer to the Interior Glass Coated moldings should be cleaned. fabric or carpet. To clean, use a terry cloth fabric . When lightly soiled, wipe with a 2. Remove excess moisture by dampened with water. Wipe droplets sponge or soft lint-free cloth gently wringing until water does left behind with a clean dry cloth. dampened with water. not drip from the cleaning cloth. Commercial glass cleaners may be used, if necessary, after cleaning . When heavily soiled, use warm the interior glass with plain water. soapy water. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (93,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-93

3. Start on the outside edge of the Cleaning High Gloss Surfaces Instrument Panel, Leather, soil and gently rub toward the and Vehicle Information and Vinyl, Other Plastic Surfaces, center. Fold the cleaning cloth to Radio Displays Low Gloss Paint Surfaces and a clean area frequently to For vehicles with high gloss Natural Open Pore Wood prevent forcing the soil in to the Surfaces fabric. surfaces or vehicle displays, use a microfiber cloth to wipe surfaces. Use a soft microfiber cloth 4. Continue gently rubbing the Before wiping the surface with the dampened with water to remove soiled area until there is no microfiber cloth, use a soft bristle dust and loose dirt. For a more longer any color transfer from brush to remove dirt that could thorough cleaning, use a soft the soil to the cleaning cloth. scratch the surface. Then use the microfiber cloth dampened with a 5. If the soil is not completely microfiber cloth by gently rubbing to mild soap solution. removed, use a mild soap clean. Never use window cleaners solution followed only by plain or solvents. Periodically hand wash { Caution water. the microfiber cloth separately, using mild soap. Do not use bleach If the soil is not completely Soaking or saturating leather, or fabric softener. Rinse thoroughly especially perforated leather, as removed, it may be necessary to and air dry before next use. use a commercial upholstery well as other interior surfaces, cleaner or spot lifter. Test a small may cause permanent damage. hidden area for colorfastness before { Caution Wipe excess moisture from these using a commercial upholstery surfaces after cleaning and allow Do not attach a device with a cleaner or spot lifter. If ring them to dry naturally. Never use suction cup to the display. This formation occurs, clean the entire heat, steam, spot removers. Do may cause damage and would fabric or carpet. not use cleaners that contain not be covered by the vehicle silicone or wax-based products. Following the cleaning process, a warranty. paper towel can be used to blot Cleaners containing these excess moisture. (Continued) GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (94,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-94 Vehicle Care

Cargo Cover and Floor Mats Caution (Continued) Convenience Net solvents can permanently change Wash with warm water and mild { Warning the appearance and feel of detergent. Do not use chlorine leather or soft trim, and are not bleach. Rinse with cold water, and If a floor mat is the wrong size or recommended. then dry completely. is not properly installed, it can interfere with the pedals. Care of Safety Belts Interference with the pedals can Do not use cleaners that increase Keep belts clean and dry. cause unintended acceleration gloss, especially on the instrument and/or increased stopping panel. Reflected glare can decrease distance which can cause a crash visibility through the windshield { Warning and injury. Make sure the floor under certain conditions. Do not bleach or dye safety belts. mat does not interfere with the It may severely weaken them. In pedals. { Caution a crash, they might not be able to Use of air fresheners may cause provide adequate protection. Use the following guidelines for permanent damage to plastics Clean safety belts only with mild proper floor mat usage: soap and lukewarm water. and painted surfaces. If an air . The original equipment floor freshener comes in contact with mats were designed for your any plastic or painted surface in vehicle. If the floor mats need the vehicle, blot immediately and replacing, it is recommended clean with a soft cloth dampened that GM certified floor mats be with a mild soap solution. purchased. Non-GM floor mats Damage caused by air fresheners may not fit properly and may would not be covered by the interfere with the pedals. Always vehicle warranty. check that the floor mats do not interfere with the pedals. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (95,1) Mexico-8431503) - 2015 - crc - 8/11/14

Vehicle Care 10-95

. Do not use a floor mat if the vehicle is not equipped with a floor mat retainer on the driver side floor. . Use the floor mat with the correct side up. Do not turn it over. . Do not place anything on top of the driver side floor mat. . Use only a single floor mat on the driver side. . Do not place one floor mat on Reinstall by lining up the floor mat top of another. retainer openings over the carpet Removing and Replacing the retainers and snapping into position. Floor Mats Make sure the floor mat is properly secured in place. Pull up on the rear of the driver side floor mat to unlock each retainer Verify the floor mat does not and remove. interfere with the pedals. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (96,1) Mexico-8431503) - 2015 - crc - 8/11/14

10-96 Vehicle Care

2 NOTES GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (1,1) Mexico-8431503) - 2015 - crc - 8/11/14

Service and Maintenance 11-1

General Information technicians, the dealer is the place Service and for routine maintenance such as oil Maintenance Your vehicle is an important changes and tire rotations and investment. This section describes additional maintenance items like the required maintenance for the tires, brakes, batteries, and wiper General Information vehicle. Follow this schedule to help blades. General Information ...... 11-1 protect against major repair expenses resulting from neglect or { Caution Maintenance Schedule inadequate maintenance. It may Maintenance Schedule ...... 11-2 also help to maintain the value of Damage caused by improper the vehicle if it is sold. It is the Special Application Services maintenance can lead to costly responsibility of the owner to have repairs and may not be covered Special Application all required maintenance performed. Services ...... 11-8 by the vehicle warranty. Your dealer has trained technicians Maintenance intervals, checks, Additional Maintenance who can perform required inspections, recommended fluids, and Care maintenance using genuine and lubricants are important to Additional Maintenance replacement parts. They have keep the vehicle in good working and Care ...... 11-9 up-to-date tools and equipment for condition. fast and accurate diagnostics. Many Recommended Fluids, dealers have extended evening and Lubricants, and Parts Saturday hours, courtesy The Tire Rotation and Required Recommended Fluids and transportation, and online Services are the responsibility of the Lubricants ...... 11-12 scheduling to assist with service vehicle owner. It is recommended to Maintenance Replacement needs. have your dealer perform these Parts ...... 11-13 services every 12 000 km/7,500 mi. Your dealer recognizes the Proper vehicle maintenance helps to Maintenance Records importance of providing keep the vehicle in good working Maintenance Records ...... 11-15 competitively priced maintenance condition, improves fuel economy, and repair services. With trained and reduces vehicle emissions. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (2,1) Mexico-8431503) - 2015 - crc - 8/11/14

11-2 Service and Maintenance

Because of the way people use . Frequently towing a trailer. Maintenance vehicles, maintenance needs vary. . Used for high speed or There may need to be more competitive driving. Schedule frequent checks and services. The . Additional Required Services - Used for taxi, police, or delivery Owner Checks and Services service. Normal are for vehicles that: At Each Fuel Stop . Carry passengers and cargo Refer to the information in the Maintenance Schedule Additional . Check the engine oil level. See within recommended limits on Engine Oil on page 10-6. the Tire and Loading Information Required Services - Severe chart. label. See Vehicle Load Limits Once a Month on page 9-14. { Warning . Check the tire inflation . Are driven on reasonable road Performing maintenance work can pressures. See Tire Pressure on page 10-51. surfaces within legal driving be dangerous and can cause limits. serious injury. Perform . Inspect the tires for wear. See . Use the recommended fuel. See maintenance work only if the Tire Inspection on page 10-58. Fuel on page 9-69. required information, proper tools, . Check the windshield washer Refer to the information in the and equipment are available. fluid level. See Washer Fluid on Maintenance Schedule Additional If they are not, see your dealer to page 10-20. Required Services - Normal chart. have a trained technician do the work. See Doing Your Own Engine Oil Change The Additional Required Services - Service Work on page 10-3. When the CHANGE ENGINE OIL Severe are for vehicles that are: SOON message displays, have the . Mainly driven in heavy city traffic engine oil and filter changed within in hot weather. the next 1 000 km/600 mi. If driven . Mainly driven in hilly or under the best conditions, the mountainous terrain. engine oil life system may not indicate the need for vehicle service GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (3,1) Mexico-8431503) - 2015 - crc - 8/11/14

Service and Maintenance 11-3

for up to a year. The engine oil and . Check engine coolant level. See or missing parts or signs of wear filter must be changed at least once Engine Coolant on page 10-15. at least once a year. See a year and the oil life system must . Check windshield washer fluid Exterior Care on page 10-86. be reset. Your trained dealer level. See Washer Fluid on Lubricate the suspension and technician can perform this work. page 10-20. steering components at least If the engine oil life system is reset every other oil . accidentally, service the vehicle Visually inspect windshield wiper change. (If equipped with grease within 5 000 km/3,000 mi since the blades for wear, cracking, fittings) last service. Reset the oil life or contamination. See Exterior . Check restraint system system when the oil is changed. Care on page 10-86. Replace worn or damaged wiper blades. components. See Safety System See Engine Oil Life System on Check on page 3-27. page 10-9. See Wiper Blade Replacement on page 10-28. . Visually inspect fuel system for Tire Rotation and Required . Check tire inflation pressures. damage or leaks. Services Every 12 000 km/ See Tire Pressure on . Visually inspect exhaust system 7,500 mi page 10-51. and nearby heat shields for Rotate the tires, if recommended for . Inspect tire wear. See Tire loose or damaged parts. the vehicle, and perform the Inspection on page 10-58. . Lubricate body components. See following services. See Tire . Exterior Care on page 10-86. Rotation on page 10-58. Visually check for fluid leaks. . . Check starter switch. See Starter . Inspect engine air cleaner filter. Check engine oil level and oil Switch Check on page 10-27. life percentage. If needed, See Engine Air Cleaner/Filter on change engine oil and filter, and page 10-13. . Check automatic transmission reset oil life system. See Engine . Inspect brake system. shift lock control function. See Oil on page 10-6 and Engine Oil Automatic Transmission Shift . Visually inspect steering, Life System on page 10-9. Lock Control Function Check on suspension, and chassis page 10-27. components for damaged, loose, GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (4,1) Mexico-8431503) - 2015 - crc - 8/11/14

11-4 Service and Maintenance

. Check ignition transmission lock. See Ignition Transmission Lock Check on page 10-27. . Check parking brake and automatic transmission park mechanism. See Park Brake and P (Park) Mechanism Check on page 10-28. . Check accelerator pedal for damage, high effort, or binding. Replace if needed. . Visually inspect gas strut for signs of wear, cracks, or other damage. Check the hold open ability of the strut. See your dealer if service is required. . Inspect sunroof track and seal, if equipped. See Sunroof on page 2-35. . Verify spare tire key lock operation and lubricate as needed. See Tire Changing on page 10-67. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (5,1) Mexico-8431503) - 2015 - crc - 8/11/14

Service and Maintenance 11-5

Maintenance Schedule

Additional Required 12 000 km/7,500 mi 24 000 km/15,000 mi 36 000 km/22,500 mi 48 000 km/30,000 mi 60 000 km/37,500 mi 72 000 km/45,000 mi 84 000 km/52,500 mi 96 000 km/60,000 mi 108 000 km/67,500 mi 120 000 km/75,000 mi 132 000 km/82,500 mi 144 000 km/90,000 mi 156 000 km/97,500 mi 180 000 km/112,500 mi Services - Normal 168 000 km/105,000 mi 192 000 km/120,000 mi 204 000 km/127,500 mi 216 000 km/135,000 mi 228 000 km/142,500 mi 240 000 km/150,000 mi

Rotate tires and perform Required Services. Check engine oil level and oil life percentage. @@@@@@@@@@@@@@@@@@@@ Change engine oil and filter, if needed. Replace passenger compartment air filter. (1) @ @ @ @ @ @ Inspect evaporative control system. (2) @ @ @ Replace engine air cleaner filter. (3) @ @ @ Replace spark plugs. Inspect spark plug wires. @ Drain and fill engine cooling system. (4) @ Visually inspect accessory drive belts. (5) @ Replace brake fluid. (6) @ @ @ GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (6,1) Mexico-8431503) - 2015 - crc - 8/11/14

11-6 Service and Maintenance

Footnotes — Maintenance Schedule Additional Required Services - Normal (1) Or every two years, whichever comes first. More frequent replacement may be needed if the vehicle is driven in areas with heavy traffic, areas with poor air quality, or areas with high dust levels. Replacement may also be needed if there is a reduction in air flow, excessive window fogging, or odors. (2) Check all fuel and vapor lines and hoses for proper hook-up, routing, and condition. (3) Or every four years, whichever comes first. (4) Or every five years, whichever comes first. See Cooling System on page 10-14. (5) Or every 10 years, whichever comes first. Inspect for fraying, excessive cracking, or damage; replace, if needed. (6) Or every three years, whichever comes first. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (7,1) Mexico-8431503) - 2015 - crc - 8/11/14

Service and Maintenance 11-7

Maintenance Schedule

Additional Required 12 000 km/7,500 mi 24 000 km/15,000 mi 36 000 km/22,500 mi 48 000 km/30,000 mi 60 000 km/37,500 mi 72 000 km/45,000 mi 84 000 km/52,500 mi 96 000 km/60,000 mi 108 000 km/67,500 mi 120 000 km/75,000 mi 132 000 km/82,500 mi 144 000 km/90,000 mi 156 000 km/97,500 mi 180 000 km/112,500 mi Services - Severe 168 000 km/105,000 mi 192 000 km/120,000 mi 204 000 km/127,500 mi 216 000 km/135,000 mi 228 000 km/142,500 mi 240 000 km/150,000 mi

Rotate tires and perform Required Services. Check engine oil level and oil life percentage. @@@@@@@@@@@@@@@@@@@@ Change engine oil and filter, if needed. Replace passenger compartment air filter. (1) @ @ @ @ @ @ Inspect evaporative control system. (2) @ @ @ Replace engine air cleaner filter. (3) @ @ @ Change automatic transmission fluid and filter. @ @ @ Change transfer case fluid, if equipped with @ @ @ 4WD. (4) Replace spark plugs. Inspect spark plug wires. @ Drain and fill engine cooling system. (5) @ Visually inspect accessory drive belts. (6) @ Replace brake fluid. (7) @ @ @ GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (8,1) Mexico-8431503) - 2015 - crc - 8/11/14

11-8 Service and Maintenance

Footnotes — Maintenance (5) Or every five years, whichever Special Application Schedule Additional Required comes first. See Cooling System on Services - Severe page 10-14. Services (1) Or every two years, whichever (6) Or every 10 years, whichever . Severe Commercial Use comes first. More frequent comes first. Inspect for fraying, Vehicles Only: Lubricate chassis replacement may be needed if the excessive cracking, or damage; components every 5 000 km/ vehicle is driven in areas with heavy replace, if needed. 3,000 mi. traffic, areas with poor air quality, (7) Or every three years, whichever . Have underbody flushing service or areas with high dust levels. comes first. performed. See "Underbody Replacement may also be needed if Maintenance" in Exterior Care there is a reduction in air flow, on page 10-86. excessive window fogging, or odors. (2) Check all fuel and vapor lines and hoses for proper hook-up, routing, and condition. (3) Or every four years, whichever comes first. (4) Do not directly power wash the transfer case output seals. High pressure water can overcome the seals and contaminate the transfer case fluid. Contaminated fluid will decrease the life of the transfer case and should be replaced. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (9,1) Mexico-8431503) - 2015 - crc - 8/11/14

Service and Maintenance 11-9

Additional Battery Brakes The battery supplies power to start Brakes stop the vehicle and are Maintenance and Care the engine and operate any crucial to safe driving. additional electrical accessories. Your vehicle is an important . Signs of brake wear may include investment and caring for it properly . To avoid break-down or failure to chirping, grinding, or squealing may help to avoid future costly start the vehicle, maintain a noises, or difficulty stopping. repairs. To maintain vehicle battery with full cranking power. performance, additional . Trained dealer technicians have maintenance services may be . Trained dealer technicians have access to tools and equipment required. the diagnostic equipment to test to inspect the brakes and the battery and ensure that the recommend quality parts It is recommended that your dealer connections and cables are engineered for the vehicle. perform these services — their corrosion-free. trained dealer technicians know Fluids your vehicle best. Your dealer can Belts Proper fluid levels and approved also perform a thorough . Belts may need replacing if they fluids protect the vehicle’s systems assessment with a multi-point squeak or show signs of and components. See inspection to recommend when your cracking or splitting. Recommended Fluids and vehicle may need attention. Lubricants on page 11-12 for GM . Trained dealer technicians have The following list is intended to access to tools and equipment approved fluids. explain the services and conditions to inspect the belts and . Engine oil and windshield to look for that may indicate recommend adjustment or washer fluid levels should be services are required. replacement when necessary. checked at every fuel fill. . Instrument cluster lights may come on to indicate that fluids may be low and need to be filled. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (10,1) Mexico-8431503) - 2015 - crc - 8/11/14

11-10 Service and Maintenance

Hoses Shocks and Struts rubber; cracks or cuts in the Hoses transport fluids and should Shocks and struts help aid in control tread or sidewall; or a bulge or be regularly inspected to ensure for a smoother ride. split in the tire. that there are no cracks or leaks. . Trained dealer technicians can . Signs of wear may include With a multi-point inspection, your steering wheel vibration, bounce/ inspect and recommend the right dealer can inspect the hoses and sway while braking, longer tires. Your dealer can also advise if replacement is needed. stopping distance, or uneven provide tire/wheel balancing tire wear. services to ensure smooth Lamps vehicle operation at all speeds. Properly working headlamps, . As part of the multi-point Your dealer sells and services taillamps, and brake lamps are inspection, trained dealer name brand tires. important to see and be seen on technicians can visually inspect the road. the shocks and struts for signs Vehicle Care of leaking, blown seals, To help keep the vehicle looking like . Signs that the headlamps need or damage, and can advise new, vehicle care products are attention include dimming, failure when service is needed. to light, cracking, or damage. available from your dealer. For The brake lamps need to be Tires information on how to clean and protect the vehicle’s interior and checked periodically to ensure Tires need to be properly inflated, that they light when braking. exterior, see Interior Care on rotated, and balanced. Maintaining page 10-91 and Exterior Care on . With a multi-point inspection, the tires can save money and fuel, page 10-86. your dealer can check the lamps and can reduce the risk of tire and note any concerns. failure. . Signs that the tires need to be replaced include three or more visible treadwear indicators; cord or fabric showing through the GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (11,1) Mexico-8431503) - 2015 - crc - 8/11/14

Service and Maintenance 11-11

Wheel Alignment Wiper Blades Wheel alignment is critical for Wiper blades need to be cleaned ensuring that the tires deliver and kept in good condition to optimal wear and performance. provide a clear view. . Signs that the alignment may . Signs of wear include streaking, need to be adjusted include skipping across the windshield, pulling, improper vehicle and worn or split rubber. handling, or unusual tire wear. . Trained dealer technicians can . Your dealer has the required check the wiper blades and equipment to ensure proper replace them when needed. wheel alignment. Windshield For safety, appearance, and the best viewing, keep the windshield clean and clear. . Signs of damage include scratches, cracks, and chips. . Trained dealer technicians can inspect the windshield and recommend proper replacement if needed. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (12,1) Mexico-8431503) - 2015 - crc - 8/11/14

11-12 Service and Maintenance

Recommended Fluids, Lubricants, and Parts Recommended Fluids and Lubricants Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer. Usage Fluid/Lubricant Engine Oil Use only engine oil meeting the dexos1™ specification of the proper SAE viscosity grade. Look for the dexos1 approved logo for GM approved engine oil. See Engine Oil on page 10-6. Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL® Coolant. See Engine Coolant on page 10-15. Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 19299818, in Canada 19299819). Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements. Automatic Transmission DEXRON®-VI Automatic Transmission Fluid. Chassis Lubrication Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB. Front Axle (Four-Wheel Drive) SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88900401, in Canada 89021678). Rear Axle SAE 75W-85 Synthetic Axle Lubricant (GM Part No. 19300457, in Canada 19300458). GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (13,1) Mexico-8431503) - 2015 - crc - 8/11/14

Service and Maintenance 11-13

Usage Fluid/Lubricant Transfer Case (Four-Wheel Drive) DEXRON®-VI Automatic Transmission Fluid. Front Axle Propshaft Spline or Spline Lubricant, Special Lubricant (GM Part No. 19257121, in One-Piece Propshaft Spline Canada 19257122). (Two-Wheel Drive with Auto. Trans.) Key Lock Cylinders, Hood Hinges, Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Power Assist Steps, and Outer Canada 10953474). Tailgate Handle Pivot Points Weatherstrip Conditioning Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or Dielectric Silicone Grease (GM Part No. 12345579, in Canada 10953481). Weatherstrip Squeaks Synthetic Grease with Teflon, Superlube (GM Part No. 12371287, in Canada 10953437).

Maintenance Replacement Parts Replacement parts identified below by name, part number, or specification can be obtained from your dealer. Part GM Part Number ACDelco Part Number Engine Air Cleaner/Filter 22845992 A3181C Oil Filter 89017525 PF63 Passenger Compartment Air Filter 22808781 CF188 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (14,1) Mexico-8431503) - 2015 - crc - 8/11/14

11-14 Service and Maintenance

Part GM Part Number ACDelco Part Number Spark Plugs 12622441 41–114 Wiper Blades Driver Side — 55 cm (21.7 in) 22756331 - Passenger Side — 55 cm (21.7 in) 22756331 - Rear — 33 cm (13.0 in) 22956295 - GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (15,1) Mexico-8431503) - 2015 - crc - 8/11/14

Service and Maintenance 11-15

Maintenance Records After the scheduled services are performed, record the date, odometer reading, who performed the service, and the type of services performed in the boxes provided. Retain all maintenance receipts. Odometer Date Serviced By Services Performed Reading GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (16,1) Mexico-8431503) - 2015 - crc - 8/11/14

11-16 Service and Maintenance

Odometer Date Serviced By Services Performed Reading GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (1,1) Mexico-8431503) - 2015 - crc - 8/11/14

Technical Data 12-1

Technical Data Vehicle Identification Engine Identification The eighth character in the VIN is Vehicle Identification the engine code. This code Vehicle Identification Number (VIN) identifies the vehicle's engine, Vehicle Identification specifications, and replacement Number (VIN) ...... 12-1 parts. See “Engine Specifications” Service Parts Identification under Capacities and Specifications Label ...... 12-1 on page 12-2 for the vehicle's engine code. Vehicle Data Capacities and Specifications ...... 12-2 Service Parts Engine Drive Belt Routing . . . 12-3 Identification Label This label, on the inside of the glove box, has the following information: . Vehicle Identification Number (VIN). . Model designation. This legal identifier is in the front . Paint information. corner of the instrument panel, on . the left side of the vehicle. It can be Production options and special seen through the windshield from equipment. outside. The VIN also appears on Do not remove this label from the the Vehicle Certification and Service vehicle. Parts labels and certificates of title and registration. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (2,1) Mexico-8431503) - 2015 - crc - 8/11/14

12-2 Technical Data

Vehicle Data Capacities and Specifications The following approximate capacities are given in metric and English conversions. See Recommended Fluids and Lubricants on page 11-12 for more information. Capacities Application Metric English Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount, see the refrigerant label under the hood. See your dealer for more information. Cooling System 16.5 L 17.4 qt Engine Oil with Filter 8.0 L 8.5 qt Fuel Tank Short Wheelbase 98.4 L 26.0 gal Long Wheelbase 119.2 L 31.5 gal Transfer Case Fluid 1.5 L 1.6 qt Wheel Nut Torque 190 Y 140 lb ft All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this manual. Recheck fluid level after filling. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (3,1) Mexico-8431503) - 2015 - crc - 8/11/14

Technical Data 12-3

Engine Specifications Engine VIN Code Spark Plug Gap 5.3L V8 C 0.95–1.10mm (0.037– 0.043 in)

Engine Drive Belt Routing GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (4,1) Mexico-8431503) - 2015 - crc - 8/11/14

12-4 Technical Data

2 NOTES GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (1,1) Mexico-8431503) - 2015 - crc - 8/11/14

Customer Information 13-1

Reporting Safety Defects Customer Information Customer Reporting Safety Defects to Information the United States Government ...... 13-13 Customer Satisfaction Reporting Safety Defects to Procedure Customer Information the Canadian Your satisfaction and goodwill are Customer Satisfaction Government ...... 13-13 important to your dealer and to Procedure ...... 13-1 Reporting Safety Defects to GMC. Normally, any concerns with General Motors ...... 13-13 Customer Assistance the sales transaction or the Offices ...... 13-3 Vehicle Data Recording and operation of the vehicle will be Customer Assistance for Text resolved by your dealer's sales or Telephone (TTY) Users . . . . . 13-4 Privacy Vehicle Data Recording and service departments. Sometimes, Online Owner Center ...... 13-4 however, despite the best intentions GM Mobility Reimbursement Privacy ...... 13-14 Event Data Recorders ...... 13-14 of all concerned, misunderstandings Program ...... 13-5 ® can occur. If your concern has not Roadside Assistance OnStar ...... 13-15 Infotainment System ...... 13-15 been resolved to your satisfaction, Program ...... 13-5 the following steps should be taken: Scheduling Service Appointments ...... 13-7 STEP ONE: Discuss your concern Courtesy Transportation with a member of dealership Program ...... 13-8 management. Normally, concerns Collision Damage Repair . . . . 13-9 can be quickly resolved at that level. Service Publications If the matter has already been Ordering Information ...... 13-11 reviewed with the sales, service, Radio Frequency or parts manager, contact the owner Identification (RFID) ...... 13-12 of your dealership or the general Radio Frequency manager. Statement ...... 13-12 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (2,1) Mexico-8431503) - 2015 - crc - 8/11/14

13-2 Customer Information

STEP TWO: If after contacting a When contacting GMC, remember 40 days. If you do not agree with the member of dealership management, that your concern will likely be decision given in your case, you it appears your concern cannot be resolved at a dealer's facility. That is may reject it and proceed with any resolved by your dealership without why we suggest following Step One other venue for relief available further help, in the U.S., call first. to you. 1-800-462-8782. In Canada, call STEP THREE — U.S. Owners: You may contact the BBB Auto Line General Motors of Canada Both General Motors and your Program using the toll-free Customer Care Centre at dealer are committed to making telephone number or write them at 1-800-263-3777 (English), sure you are completely satisfied the following address: or 1-800-263-7854 (French). with your new vehicle. However, BBB Auto Line Program We encourage you to call the if you continue to remain unsatisfied Council of Better Business Bureaus, toll-free number in order to give your after following the procedure Inc. inquiry prompt attention. Have the outlined in Steps One and Two, you 4200 Wilson Boulevard following information available to can file with the Better Business ® Suite 800 give the Customer Assistance Bureau (BBB) Auto Line Program Arlington, VA 22203-1838 representative: to enforce your rights. Telephone: 1-800-955-5100 . Vehicle Identification The BBB Auto Line Program is an www.dr.bbb.org/goauto Number (VIN). This is available out-of-court program administered from the vehicle registration or by the Council of Better Business This program is available in all title, or the plate at the top left of Bureaus to settle automotive 50 states and the District of the instrument panel and visible disputes regarding vehicle repairs or Columbia. Eligibility is limited by through the windshield. the interpretation of the New Vehicle vehicle age, mileage, and other Limited Warranty. Although you may factors. General Motors reserves . Dealership name and location. be required to resort to this informal the right to change eligibility . Vehicle delivery date and dispute resolution program prior to limitations and/or discontinue its present mileage. filing a court action, use of the participation in this program. program is free of charge and your case will generally be heard within GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (3,1) Mexico-8431503) - 2015 - crc - 8/11/14

Customer Information 13-3

STEP THREE — Canadian For further information concerning Customer Assistance Owners: In the event that you do eligibility in the Canadian Motor not feel your concerns have been Vehicle Arbitration Plan (CAMVAP), Offices addressed after following the call toll-free 1-800-207-0685, or call GMC encourages customers to call procedure outlined in Steps One the General Motors Customer Care the toll-free number for assistance. and Two, General Motors of Canada Centre, 1-800-263-3777 (English), However, if a customer wishes to Limited wants you to be aware of its 1-800-263-7854 (French), write or e-mail GMC, the letter participation in a no-charge or write to: should be addressed to: Mediation/Arbitration Program. Mediation/Arbitration Program United States and Puerto Rico General Motors of Canada Limited c/o Customer Care Centre has committed to binding arbitration General Motors of Canada Limited GMC Customer Assistance Center of owner disputes involving Mail Code: CA1-163-005 P.O. Box 33172 factory-related vehicle service 1908 Colonel Sam Drive Detroit, MI 48232-5172 claims. The program provides for Oshawa, Ontario L1H 8P7 the review of the facts involved by www.GMC.com an impartial third party arbiter, and Your inquiry should be accompanied 1-800-GMC-8782 (1-800-462-8782) may include an informal hearing by the Vehicle Identification 1-800-462-8583 (For Text before the arbiter. The program is Number (VIN). Telephone devices (TTYs)) designed so that the entire dispute Roadside Assistance: settlement process, from the time 1-888-881-3302 you file your complaint to the final From U.S. Virgin Islands: decision, should be completed in about 70 days. We believe our 1-800-496-9994 impartial program offers advantages over courts in most jurisdictions because it is informal, quick, and free of charge. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (4,1) Mexico-8431503) - 2015 - crc - 8/11/14

13-4 Customer Information

Canada Center. Any TTY user in the U.S. I (Service History): View and can communicate with GMC by General Motors of Canada Limited print dealer-recorded service dialing: 1-800-462-8583. TTY users Customer Care Centre, Mail Code: records and self-recorded service in Canada can dial 1-800-263-3830. CA1-163-005 records. 1908 Colonel Sam Drive D Online Owner Center (Preferred Dealer Oshawa, Ontario L1H 8P7 Information): Select a preferred www.gmc.ca Online Owner Experience dealer and view dealer location, 1-800-263-3777 (English) (U.S.) my.gmc.com maps, phone numbers, and hours. 1-800-263-7854 (French) The GMC online owner experience J (Warranty Tracking 1-800-263-3830 (For Text is a one-stop resource that allows Information): Track the vehicle’s Telephone Devices (TTYs)) interaction with GMC and keeps warranty information. Roadside Assistance: important vehicle-specific J (Recall Information): View 1-800-268-6800 information in one place. active recalls by Vehicle Identification Number (VIN). See Overseas Membership Benefits Vehicle Identification Number (VIN) Please contact the local General E (Vehicle Information): on page 12-1. Motors Business Unit. Download owner manuals and view H (Other Account Information): vehicle-specific how-to videos. Customer Assistance for View GM Card, SiriusXM Satellite G (Maintenance Information): radio, and OnStar account Text Telephone (TTY) View maintenance schedules, information. Users alerts, OnStar onboard vehicle F (Live Chat Support): Chat live diagnostic information, and To assist customers who are deaf, with online help representatives. schedule service appointments. hard of hearing, or speech-impaired Visit my.gmc.com to register your and who use Text Telephones vehicle. (TTYs), GMC has TTY equipment available at its Customer Assistance GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (5,1) Mexico-8431503) - 2015 - crc - 8/11/14

Customer Information 13-5

GMC Owner Centre (Canada) GM Mobility General Motors of Canada also has gmcowner.ca a Mobility Program. Visit www.gm.ca Reimbursement Program or call 1-800-GM-DRIVE (463-7483) Take a trip to the GMC Owner for details. TTY users call Centre: 1-800-263-3830. . Chat live with online help representatives. Roadside Assistance . Use the Vehicle Tools section. Program . Access third party enthusiast For U.S.-purchased vehicles, call sites and social media networks. This program is available to 1-888-881-3302; (Text Telephone . Locate owner resources such as qualified applicants for cost (TTY): 1-888-889-2438). lease-end, financing, and reimbursement of eligible For Canadian-purchased vehicles, warranty information. aftermarket adaptive equipment call 1-800-268-6800. required for the vehicle, such as . Retrieve your favorite articles, Service is available 24 hours a day, hand controls or a wheelchair/ quizzes, tips, and multimedia 365 days a year. scooter lift for the vehicle. galleries organized into the Features and Auto Care For more information on the limited Calling for Assistance Sections. offer, visit www.gmmobility.com or When calling Roadside Assistance, call the GM Mobility Assistance . Download the owner manual for have the following information Center at 1-800-323-9935. Text your vehicle, quickly and easily. ready: Telephone (TTY) users, call . Find the GMC-recommended 1-800-833-9935. . Your name, home address, and maintenance services for your home telephone number. vehicle. . Telephone number of your location. . Location of the vehicle GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (6,1) Mexico-8431503) - 2015 - crc - 8/11/14

13-6 Customer Information

. Model, year, color, and license driver if they decide the claims are . Flat Tire Change: Service to plate number of the vehicle. made too often, or the same type of change a flat tire with the spare tire. The spare tire, if equipped, . Odometer reading, Vehicle claim is made many times. must be in good condition and Identification Number (VIN), and Services Provided delivery date of the vehicle. properly inflated. It is the owner's . Emergency Fuel Delivery: responsibility for the repair or . Description of the problem. Delivery of enough fuel for the replacement of the tire if it is not Coverage vehicle to get to the nearest covered by the warranty. service station. . Battery Jump Start: Service to Services are provided up to 5 years/ jump start a dead battery. 160 000 km (100,000 mi), whichever . Lock-Out Service: Service to comes first. unlock the vehicle if you are . Trip Interruption Benefits and locked out. A remote unlock may Assistance: If your trip is In the U.S., anyone driving the be available if you have interrupted due to a warranty vehicle is covered. In Canada, a ® OnStar . For security reasons, failure, incidental expenses may person driving the vehicle without the driver must present be reimbursed during the permission from the owner is not identification before this service 5 years/(160 000 km) 100,000 mi covered. is given. Powertrain warranty period. Roadside Assistance is not a part of . Emergency Tow from a Public Items considered are hotel, the New Vehicle Limited Warranty. Road or Highway: Tow to the meals, and rental car. General Motors North America and nearest GMC dealer for warranty GMC reserve the right to make any Services Not Included in service, or if the vehicle was in a Roadside Assistance changes or discontinue the crash and cannot be driven. Roadside Assistance program at Assistance is not given when the . Impound towing caused by any time without notification. vehicle is stuck in the sand, violation of any laws. General Motors North America and mud, or snow. . Legal fines. GMC reserve the right to limit services or payment to an owner or GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (7,1) Mexico-8431503) - 2015 - crc - 8/11/14

Customer Information 13-7

. Mounting, dismounting, detailed receipts, and a copy of Scheduling Service or changing of snow tires, the repair orders. Once chains, or other traction devices. authorization has been received, Appointments Service is not provided if a vehicle the Roadside Assistance advisor When the vehicle requires warranty is in an area that is not accessible will help to make arrangements service, contact your dealer and to the service vehicle or is not a and explain how to receive request an appointment. By regularly traveled or maintained payment. scheduling a service appointment public road, which includes ice and . Alternative Service: If and advising the service consultant winter roads. Off-road use is not assistance cannot be provided of your transportation needs, your covered. right away, the Roadside dealer can help minimize your inconvenience. Services Specific to Assistance advisor may give Canadian-Purchased Vehicles permission to get local If the vehicle cannot be scheduled emergency road service. You will into the service department . Fuel Delivery: Reimbursement receive payment, up to $100, immediately, keep driving it until it is up to 7 liters. Diesel fuel after sending the original receipt can be scheduled for service, delivery may be restricted. to Roadside Assistance. unless, of course, the problem is Propane and other fuels are not Mechanical failures may be safety related. If it is, please call provided through this service. covered, however any cost for your dealership, let them know this, . Lock-Out Service: Vehicle parts and labor for repairs not and ask for instructions. covered by the warranty are the registration is required. If your dealer requests you to bring owner responsibility. . Trip Interruption Benefits and the vehicle for service, you are Assistance: Must be over urged to do so as early in the work 150 kilometers from where your day as possible to allow for trip was started to qualify. same-day repair. General Motors of Canada Limited requires pre-authorization, original GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (8,1) Mexico-8431503) - 2015 - crc - 8/11/14

13-8 Customer Information

Courtesy Transportation Transportation Options and be supported by original receipts. See your dealer for Warranty service can generally be Program information. completed while you wait. However, To enhance your ownership if you are unable to do so, your Courtesy Rental Vehicle experience, we and our participating dealer may offer the following dealers are proud to offer Courtesy For an overnight warranty repair, the transportation options: Transportation, a customer support dealer may provide an available program for vehicles with the Shuttle Service courtesy rental vehicle or provide for Bumper-to-Bumper (Base Warranty reimbursement of a rental vehicle. This includes one-way or round-trip Coverage period in Canada), Reimbursement is limited and must shuttle service within reasonable extended powertrain, and/or be supported by original receipts as time and distance parameters of hybrid-specific warranties in both well as a signed and completed your dealer's area. the U.S. and Canada. rental agreement and meet state/ provincial, local, and rental vehicle Several Courtesy Transportation Public Transportation or Fuel provider requirements. options are available to assist in Reimbursement Requirements vary and may include reducing inconvenience when If overnight warranty repairs are minimum age requirements, warranty repairs are required. needed, and public transportation is insurance coverage, credit card, etc. used, the expense must be Courtesy Transportation is not a Additional fees such as fuel usage supported by original receipts and part of the New Vehicle Limited charges, taxes, levies, usage fees, within the maximum amount allowed Warranty. A separate booklet excessive mileage, or rental usage by GM for shuttle service. If U.S. entitled “Limited Warranty and beyond the completion of the repair customers arrange their own Owner Assistance Information” are also your responsibility. furnished with each new vehicle transportation, limited It may not be possible to provide a provides detailed warranty coverage reimbursement for reasonable fuel like vehicle as a courtesy rental. information. expenses may be available. Claim amounts should reflect actual costs GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (9,1) Mexico-8431503) - 2015 - crc - 8/11/14

Customer Information 13-9

Additional Program Collision Parts Vehicle Limited Warranty, and any related failures are not covered by Information Genuine GM Collision parts are new that warranty. All program options, such as shuttle parts made with the same materials service, may not be available at and construction methods as the Aftermarket collision parts are also every dealer. Contact your dealer parts with which the vehicle was available. These are made by for specific availability. originally built. Genuine GM companies other than GM and may Collision parts are the best choice to not have been tested for the vehicle. General Motors reserves the right to ensure that the vehicle's designed As a result, these parts may fit unilaterally modify, change, appearance, durability, and safety poorly, exhibit premature durability/ or discontinue Courtesy are preserved. The use of Genuine corrosion problems, and may not Transportation at any time and to GM parts can help maintain the GM perform properly in subsequent resolve all questions of claim New Vehicle Limited Warranty. collisions. Aftermarket parts are not eligibility pursuant to the terms and covered by the GM New Vehicle Recycled original equipment parts conditions described herein at its Limited Warranty, and any vehicle may also be used for repair. These sole discretion. failure related to such parts is not parts are typically removed from covered by that warranty. Collision Damage Repair vehicles that were total losses in prior crashes. In most cases, the Repair Facility If the vehicle is involved in a parts being recycled are from collision and it is damaged, have the undamaged sections of the vehicle. GM also recommends that you damage repaired by a qualified A recycled original equipment GM choose a collision repair facility that technician using the proper part may be an acceptable choice to meets your needs before you ever equipment and quality replacement maintain the vehicle's originally need collision repairs. Your dealer parts. Poorly performed collision designed appearance and safety may have a collision repair center repairs diminish the vehicle resale performance; however, the history of with GM-trained technicians and value, and safety performance can these parts is not known. Such parts state‐of‐the‐art equipment, or be be compromised in subsequent are not covered by the GM New able to recommend a collision repair collisions. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (10,1) Mexico-8431503) - 2015 - crc - 8/11/14

13-10 Customer Information

center that has GM-trained If the vehicle is leased, the leasing Gather the following information: technicians and comparable company may require you to have . Driver name, address, and equipment. insurance that ensures repairs with telephone number. Genuine GM Original Equipment Insuring the Vehicle Manufacturer (OEM) parts or . Driver license number. Protect your investment in the GM Genuine Manufacturer replacement . Owner name, address, and vehicle with comprehensive and parts. Read the lease carefully, as telephone number. collision insurance coverage. There you may be charged at the end of . are significant differences in the the lease for poor quality repairs. Vehicle license plate number. quality of coverage afforded by . If a Crash Occurs Vehicle make, model, and various insurance policy terms. model year. Many insurance policies provide If there has been an injury, call . Vehicle Identification reduced protection to the GM emergency services for help. Do not Number (VIN). vehicle by limiting compensation for leave the scene of a crash until all damage repairs through the use of matters have been taken care of. . Insurance company and policy aftermarket collision parts. Some Move the vehicle only if its position number. insurance companies will not puts you in danger, or you are . General description of the specify aftermarket collision parts. instructed to move it by a police damage to the other vehicle. When purchasing insurance, we officer. Choose a reputable repair facility recommend that you ensure that the Give only the necessary information vehicle will be repaired with GM that uses quality replacement parts. to police and other parties involved See “Collision Parts” earlier in this original equipment collision parts. in the crash. If such insurance coverage is not section. available from your current For emergency towing see If the airbag has inflated, see What insurance carrier, consider switching Roadside Assistance Program on Will You See after an Airbag to another insurance carrier. page 13-5. Inflates? on page 3-34. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (11,1) Mexico-8431503) - 2015 - crc - 8/11/14

Customer Information 13-11

Managing the Vehicle Damage If another party's insurance Each bulletin contains instructions Repair Process company is paying for the repairs, to assist in the diagnosis and you are not obligated to accept a service of the vehicle. In the event that the vehicle requires repair valuation based on that damage repairs, GM recommends insurance company's collision policy Owner Information that you take an active role in its repair limits, as you have no Owner publications are written repair. If you have a pre-determined contractual limits with that company. specifically for owners and intended repair facility of choice, take the In such cases, you can have control to provide basic operational vehicle there, or have it towed there. of the repair and parts choices as information about the vehicle. The Specify to the facility that any long as the cost stays within Owner Manual includes the required replacement collision parts reasonable limits. Maintenance Schedule for all be original equipment parts, either models. new Genuine GM parts or recycled original GM parts. Remember, Service Publications In-Portfolio: Includes a Portfolio, recycled parts will not be covered by Ordering Information Owner Manual, and Warranty the GM vehicle warranty. Manual. Service Manuals Insurance pays the bill for the repair, RETAIL SELL PRICE: $35.00 – but you must live with the repair. Service Manuals have the diagnosis $40.00 (U.S.) plus handling and Depending on your policy limits, and repair information on the shipping fees. engines, transmission, axle, your insurance company may Without Pouch: Owner Manual only. initially value the repair using suspension, brakes, electrical, aftermarket parts. Discuss this with steering, body, etc. RETAIL SELL PRICE: the repair professional, and insist on Service Bulletins $25.00 (U.S.) plus handling and Genuine GM parts. Remember, shipping fees. if the vehicle is leased, you may be Service Bulletins give additional obligated to have the vehicle technical service information repaired with Genuine GM parts, needed to knowledgeably service even if your insurance coverage General Motors cars and trucks. does not pay the full cost. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (12,1) Mexico-8431503) - 2015 - crc - 8/11/14

13-12 Customer Information

Current and Past Models Radio Frequency Operation is subject to the following two conditions: Technical Service Bulletins and Identification (RFID) Manuals are available for current 1. The device may not cause RFID technology is used in some and past model GM vehicles. harmful interference. vehicles for functions such as tire ORDER TOLL FREE: pressure monitoring and ignition 2. The device must accept any 1-800-551-4123 Monday – Friday system security, as well as in interference received, including 8:00 AM – 6:00 PM Eastern Time connection with conveniences such interference that may cause undesired operation of the For Credit Card Orders Only as Remote Keyless Entry (RKE) device. (VISA-MasterCard-Discover), see transmitters for remote door locking/ Helm, Inc. at: www.helminc.com. unlocking and starting, and Changes or modifications to any of in-vehicle transmitters for garage these systems by other than an Or write to: door openers. RFID technology in authorized service facility could void Helm, Incorporated GM vehicles does not use or record authorization to use this equipment. Attention: Customer Service personal information or link with any 47911 Halyard Drive other GM system containing Plymouth, MI 48170 personal information. Prices are subject to change without notice and without incurring Radio Frequency obligation. Allow ample time for Statement delivery. This vehicle has systems that All listed prices are quoted in U.S. operate on a radio frequency that funds. Make checks payable in U.S. complies with Part 15/Part 18 of the funds. Federal Communications Commission (FCC) rules and with Industry Canada Standards RSS-GEN/210/220/310. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (13,1) Mexico-8431503) - 2015 - crc - 8/11/14

Customer Information 13-13

Reporting Safety To contact NHTSA, you may call Reporting Safety Defects the Vehicle Safety Hotline to the Canadian Defects toll-free at 1-888-327-4236 (TTY: 1-800-424-9153); go to Government Reporting Safety Defects http://www.safercar.gov; or If you live in Canada, and you to the United States write to: believe that the vehicle has a safety Government defect, notify Transport Canada Administrator, NHTSA immediately, and notify General If you believe that your vehicle 1200 New Jersey Avenue, S.E. Motors of Canada Limited. Call has a defect which could cause Washington, D.C. 20590 Transport Canada at a crash or could cause injury or You can also obtain other 1-800-333-0510 or write to: death, you should immediately information about motor Transport Canada inform the National Highway vehicle safety from Road Safety Branch Traffic Safety Administration http://www.safercar.gov. 80 rue Noel (NHTSA) in addition to notifying Gatineau, QC J8Z 0A1 General Motors. Reporting Safety Defects If NHTSA receives similar complaints, it may open an to General Motors investigation, and if it finds that In addition to notifying NHTSA (or a safety defect exists in a group Transport Canada) in a situation like of vehicles, it may order a recall this, notify General Motors. and remedy campaign. Call 1-800-GMC-8782 However, NHTSA cannot (1-800-462-8782), or write: become involved in individual GMC Customer Assistance Center problems between you, your P.O. Box 33172 dealer, or General Motors. Detroit, MI 48232-5172 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (14,1) Mexico-8431503) - 2015 - crc - 8/11/14

13-14 Customer Information

In Canada, call 1-800-263-3777 Vehicle Data Event Data Recorders (English) or 1-800-263-7854 (French), or write: Recording and This vehicle is equipped with an event data recorder (EDR). The General Motors of Canada Limited Privacy main purpose of an EDR is to Customer Care Centre, Mail Code: record, in certain crash or near CA1-163-005 The vehicle has a number of computers that record information crash-like situations, such as an air 1908 Colonel Sam Drive bag deployment or hitting a road Oshawa, Ontario L1H 8P7 about the vehicle’s performance and how it is driven. For example, the obstacle, data that will assist in vehicle uses computer modules to understanding how a vehicle’s monitor and control engine and systems performed. The EDR is transmission performance, to designed to record data related to monitor the conditions for airbag vehicle dynamics and safety deployment and deploy them in a systems for a short period of time, crash, and, if equipped, to provide typically 30 seconds or less. The antilock braking to help the driver EDR in this vehicle is designed to control the vehicle. These modules record such data as: may store data to help the dealer . How various systems in your technician service the vehicle. vehicle were operating; Some modules may also store data . about how the vehicle is operated, Whether or not the driver and such as rate of fuel consumption or passenger safety belts were average speed. These modules may buckled/fastened; retain personal preferences, such as . How far (if at all) the driver was radio presets, seat positions, and depressing the accelerator and/ temperature settings. or brake pedal; and, . How fast the vehicle was traveling. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (15,1) Mexico-8431503) - 2015 - crc - 8/11/14

Customer Information 13-15

These data can help provide a if the vehicle is leased, with the OnStar Terms and Conditions and better understanding of the consent of the lessee; in response Privacy Statement on the OnStar circumstances in which crashes and to an official request by police or website. injuries occur. NOTE: EDR data are similar government office; as part of recorded by your vehicle only if a GM's defense of litigation through Infotainment System non-trivial crash situation occurs; no the discovery process; or, as data are recorded by the EDR under required by law. Data that GM If the vehicle is equipped with a normal driving conditions and no collects or receives may also be navigation system as part of the personal data (e.g., name, gender, used for GM research needs or may infotainment system, use of the age, and crash location) are be made available to others for system may result in the storage of recorded. However, other parties, research purposes, where a need is destinations, addresses, telephone such as law enforcement, could shown and the data is not tied to a numbers, and other trip information. combine the EDR data with the type specific vehicle or vehicle owner. See the infotainment manual for of personally identifying data information on stored data and for routinely acquired during a crash OnStar® deletion instructions. investigation. If the vehicle is equipped with To read data recorded by an EDR, OnStar® and has an active special equipment is required, and subscription, additional data may be access to the vehicle or the EDR is collected through the OnStar needed. In addition to the vehicle system. This includes information manufacturer, other parties, such as about the vehicle’s operation; law enforcement, that have the collisions involving the vehicle; the special equipment, can read the use of the vehicle and its features; information if they have access to and, in certain situations, the the vehicle or the EDR. location and approximate GPS GM will not access this data or speed of the vehicle. Refer to the share it with others except: with the consent of the vehicle owner or, GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (16,1) Mexico-8431503) - 2015 - crc - 8/11/14

13-16 Customer Information

2 NOTES GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (1,1) Mexico-8431503) - 2015 - crc - 8/11/14

OnStar 14-1

OnStar Overview vehicle, including location OnStar information. See OnStar’s Terms and Conditions and Privacy OnStar Overview Statement for more details including system limitations at OnStar Overview ...... 14-1 www.onstar.com (U.S.) or OnStar Services www.onstar.ca (Canada). Emergency ...... 14-2 The OnStar system status light is Security ...... 14-3 next to the OnStar buttons. If the Navigation ...... 14-3 = Voice Command Button status light is: Connections ...... 14-4 Q Blue OnStar Button Vehicle Diagnostics ...... 14-6 . Solid Green: System is on. > Emergency Button . OnStar Additional Information Flashing Green: On a call. OnStar Additional This vehicle may be equipped with a . Red: Indicates a problem. Information ...... 14-6 comprehensive, in-vehicle system that can connect to a live OnStar . Off: System is off. Press the blue Advisor for Emergency, Security, OnStar button twice to speak Navigation, Connection, and with an OnStar Advisor. Diagnostic Services. OnStar Press Q or call 1-888-4-ONSTAR services may require a paid (1-888-466-7827) to speak to an subscription. OnStar requires the Advisor. vehicle battery and electrical system, cellular service, and GPS Press = to: satellite signals to be available and . operating. OnStar acts as a link to Make a call, end a call, existing public emergency service or answer an incoming call. providers. OnStar may collect . Give OnStar Hands-Free Calling information about you and your voice commands. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (2,1) Mexico-8431503) - 2015 - crc - 8/11/14

14-2 OnStar

. Give OnStar Turn-by-Turn . Receive Roadside Assistance. Navigation voice commands. OnStar Services . Manage WiFi Settings (if Requires a specific OnStar equipped). subscription plan. Emergency > . Obtain the WiFi network name, Press to get a priority connection With Automatic Crash Response, or Service Set Identifier or SSID, to an OnStar Emergency Advisor the OnStar system can and passphrase (if equipped). available 24/7 to: automatically connect to an OnStar . Get help for an emergency. Emergency Advisor. The built-in Press Q to connect to a live system can automatically connect to . Advisor to: Be a Good Samaritan or help in certain crashes. respond to an AMBER Alert. . Verify account information or Press > to connect to an OnStar update contact information. . Get assistance in severe weather or other crisis and Emergency Advisor. GPS . Get driving directions. Requires evacuation routes. technology is used to identify the a specific OnStar vehicle location and can provide subscription plan. important information to emergency . Receive On-Demand personnel. OnStar Emergency Diagnostics for a check of the Advisors are trained to provide vehicle’s key operating systems. assistance and link to existing public emergency service providers in emergency situations. With OnStar Crisis Assist, specially trained Crisis Advisors are available 24 hours a day, 7 days a week, to provide a central point of contact, assistance, and information if a crisis occurs. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (3,1) Mexico-8431503) - 2015 - crc - 8/11/14

OnStar 14-3

Security 4. Follow the voice-guided 2. Say “Repeat.” System responds commands. with the last direction given, then OnStar provides services including responds with “OnStar ready,” Stolen Vehicle Assistance, Remote Using Voice Commands then a tone. Ignition Block, and Roadside During a Planned Route Assistance, if equipped. OnStar can Get My Destination unlock the vehicle doors remotely, Cancel Route 1. Press =. System responds: if equipped with automatic door = 1. Press . System responds: “OnStar ready,” then a tone. locks, and can help police locate the “OnStar ready,” then a tone. Say vehicle if it is stolen. “Cancel route.” System 2. Say “Get my destination.” System responds with the responds: “Do you want to Navigation cancel directions?” address and the distance to the destination, then responds with OnStar navigation requires a 2. Say “Yes.” System responds: “OnStar ready,” then a tone. specific OnStar subscription plan. “OK, request completed, thank Q you, goodbye.” Other Navigation Services Press to receive directions or Available from OnStar have them sent to the vehicle Route Preview navigation screen, if equipped. = OnStar eNav: Subscribers can Destinations can also be forwarded 1. Press . System responds: send destinations from to the vehicle from MapQuest.com. “OnStar ready,” then a tone. MapQuest.com to the vehicle 2. Say “Route preview.” System Turn-by-Turn Navigation or Turn-by-Turn Navigation responds with the next three screen-based navigation system (if equipped). When ready, the 1. Press Q to connect to a live maneuvers. directions will be downloaded to the Advisor. Repeat vehicle. 2. Request directions. 1. Press =. System responds: Destination Download: Press Q, 3. Directions are downloaded to the “OnStar ready,” then a tone. then request the Advisor to vehicle. download directions to the GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (4,1) Mexico-8431503) - 2015 - crc - 8/11/14

14-4 OnStar

navigation system in the vehicle (if WiFi Connectivity (If Equipped) pressure (if the vehicle is equipped equipped). After the call ends, press The vehicle has a WiFi hotspot that with the tire pressure monitoring the “Go” button on the navigation provides a high-speed, wireless system); or activate remote horn screen to begin driving directions. Internet connection to connect and lights. Also remote start the If directions are downloaded to the multiple mobile devices (data plan vehicle (if factory equipped) or navigation system, the route can required). unlock the doors from anywhere with a wireless connection (if only be canceled through the 1. To retrieve WiFi hotspot navigation system. equipped with automatic locks). information, press = and select With a required specific OnStar Destinations can also be or say “WiFi settings.” subscription plan, a destination can downloaded on the go. For be sent to the vehicle. For OnStar information about eNav or 2. The WiFi settings will display the RemoteLink information and Destination Download, see WiFi network name/SSID, compatibility, see www.onstar.com www.onstar.com (U.S.) or passphrase, and level of (U.S.) or www.onstar.ca (Canada). encryption. www.onstar.ca (Canada). ® 3. To change the SSID or OnStar RemoteLink Key Fob Services Connections passphrase, press Q or call This feature is included for five The required specific Onstar 1-888-4-ONSTAR to connect years and allows for remote door subscription plan includes the with an Advisor. lock/unlock (if equipped with services that follow to help ® OnStar RemoteLink Mobile App automatic locks), remote start (if customers stay connected. (If Equipped) factory equipped), or activation of For coverage maps, see Download the OnStar RemoteLink horn and lights from anywhere with www.onstar.com (U.S.) or mobile app to select Apple®, a wireless signal. Download the app www.onstar.ca (Canada). Android™, and BlackBerry® or and start using it any time during the Windows 7 or 8 mobile devices. trial period to get started. From the mobile device, check the vehicle’s fuel level, oil life, or tire GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (5,1) Mexico-8431503) - 2015 - crc - 8/11/14

OnStar 14-5

OnStar Hands-Free Calling 4. Say “Call.” System responds: 4. Pick a name tag. System OK, dialing 911. responds: About to store . Does that sound OK?” and received from the vehicle. Retrieve My Number 5. Say “Yes” or say “No” to try To Make a Call 1. Press =. System responds: again. System responds: “OK, 1. Press =. System responds: “OnStar ready.” storing .” “OnStar ready.” 2. Say “My number.” System Place a Call Using a Stored responds: Your OnStar 2. Say “Call.” System responds: “ Number Hands-Free Calling number is, “Call. Please say the name or ” then says the number. 1. Press =. System responds: number to call.” “OnStar ready.” 3. Say the entire number without End a Call pausing, including a 1 and the 2. Say “Call .” System “ ” Press =. System responds: Call area code. System responds: “ responds: “OK, calling ended. “OK calling.” ” .” Calling 911 Emergency Store a Name Tag for Speed Verify Minutes and Expiration Dialing 1. Press =. System responds: Press = and say “Minutes” then 1. Press =. System responds: “OnStar Ready,” followed by “Verify” to check how many minutes a tone. “OnStar ready.” remain and their expiration date. 2. Say “Call.” System responds: 2. Say “Store.” System responds: Please say the number you “Call. Please say the name or “ number to call.” would like to store.” 3. Say “911” without pausing. 3. Say the entire number without System responds: “911.” pausing. System responds: “Please say the name tag.” GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (6,1) Mexico-8431503) - 2015 - crc - 8/11/14

14-6 OnStar

Vehicle Diagnostics OnStar Additional How OnStar Service Works OnStar Vehicle Diagnostics can Information Automatic Crash Response, perform a vehicle check every Emergency Services, Crisis Assist, month. It will check the engine, Transferring Service Stolen Vehicle Assistance, Vehicle transmission, antilock brakes, and Diagnostics, Remote Door Unlock, other major vehicle systems. It also Press Q to request account transfer Roadside Assistance, Turn-by-Turn checks the tire pressures, if the eligibility information. The Advisor Navigation, and Hands-Free Calling vehicle is equipped with the Tire can assist in canceling or removing are available on most vehicles. Not Pressure Monitoring System. If an account information. all OnStar services are available everywhere or on all vehicles. For On-Demand Diagnostics check is Selling/Transferring the needed, press Q, and an Advisor more information, a full description Vehicle of OnStar services, system can run a check. Call 1-888-4-ONSTAR immediately limitations, and OnStar terms and to terminate your OnStar services if conditions: the vehicle is disposed of, sold, . Call 1-888-4-ONSTAR transferred, or if the lease ends. (1-888-466-7827). Reactivation for Subsequent . See www.onstar.com (U.S.). Owners . See www.onstar.ca (Canada). Press Q and follow the prompts to . Call TTY 1-877-248-2080. speak to an Advisor as soon as possible. The Advisor will update . Press Q to speak with an vehicle records and explain the Advisor. OnStar service options available. OnStar services cannot work unless the vehicle is in a place where OnStar has an agreement with a wireless service provider for service GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (7,1) Mexico-8431503) - 2015 - crc - 8/11/14

OnStar 14-7

in that area. The wireless service Services for People with OnStar Personal Identification provider must also have coverage, Disabilities Number (PIN) network capacity, reception, and technology compatible with OnStar Advisors provide services to help A PIN is needed to access some of services. Service involving location subscribers with physical disabilities the OnStar services, like Remote information about the vehicle cannot and medical conditions. Door Unlock and Stolen Vehicle Assistance. The PIN will need to be work unless GPS signals are Press Q for help with: available, unobstructed, and changed the first time when compatible with the OnStar . Locating a gas station with an speaking with an Advisor. To hardware. OnStar services may not attendant to pump gas. change the OnStar PIN, contact an Q work if the OnStar equipment is not . Finding a hotel, restaurant, etc., OnStar Advisor by pressing or properly installed or it has not been that meets accessibility needs. calling 1-888-4-ONSTAR. properly maintained. If equipment or software is added, connected, . Providing directions to the Warranty or modified, OnStar services may closest hospital or pharmacy in OnStar equipment may be not work. Other problems beyond urgent situations. warranted as part of the vehicle the control of OnStar may prevent TTY Users warranty. service such as hills, tall buildings, tunnels, weather, electrical system OnStar has the ability to Languages design and architecture of the communicate to deaf, The vehicle can be programmed to vehicle, damage to the vehicle in a hard-of-hearing, or speech-impaired respond in multiple languages. customers while in the vehicle. The crash, or wireless phone network Press Q and ask for an Advisor. congestion or jamming. available dealer-installed TTY system can provide in-vehicle Advisors are available in English, See Radio Frequency Statement on access to all of the OnStar services, Spanish, and French. Available page 13-12. except Virtual Advisor and OnStar languages may vary by country. Turn-by-Turn Navigation. GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (8,1) Mexico-8431503) - 2015 - crc - 8/11/14

14-8 OnStar

Potential Issues A temporary loss of GPS can cause to function properly. These systems loss of the ability to send a may not operate if the battery is OnStar cannot perform Remote Turn-by-Turn Navigation route. The discharged or disconnected. Door Unlock or Stolen Vehicle Advisor may give a verbal route or Assistance after the vehicle has may ask for a call back after the Add-on Electrical Equipment been off continuously for five days. vehicle is driven into an open area. After five days, OnStar can contact The OnStar system is integrated into the electrical architecture of the Roadside Assistance and a Cellular and GPS Antennas locksmith to help gain access to the vehicle. Do not add any electrical vehicle. Do not place items over or near the equipment. See Add-On Electrical antenna to prevent blocking cellular Equipment on page 9-89. Added Global Positioning and GPS signal reception. Cellular electrical equipment may interfere System (GPS) reception is required for OnStar to with the operation of the OnStar send remote signals to the vehicle. system and cause it to not operate. . Obstruction of the GPS can occur in a large city with tall Unable to Connect to OnStar Privacy buildings; in parking garages; Message The complete OnStar Privacy around airports; in tunnels, Statement may be found at underpasses; or in an area with If there is limited cellular coverage www.onstar.com (U.S.), very dense trees. If GPS signals or the cellular network has reached or www.onstar.ca (Canada). We are not available, the OnStar maximum capacity, this message recommend that you review it. If you system should still operate to may come on. Press Q to try the have any questions, call call OnStar. However, OnStar call again or try again after driving a 1-888-4-ONSTAR (1-888-466-7827) could have difficulty identifying few miles into another cellular area. the exact location. or press Q to speak with an Vehicle and Power Issues Advisor. Users of wireless . In emergency situations, OnStar OnStar services require a vehicle communications are cautioned that can use the last stored GPS electrical system, wireless service, the privacy of any information sent location to send to emergency and GPS satellite technologies to be via wireless cellular communications responders. available and operating for features cannot be assured. Third parties GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (9,1) Mexico-8431503) - 2015 - crc - 8/11/14

OnStar 14-9

may unlawfully intercept or access above copyright notice and this or other dealings in this Software transmissions and private permission notice appear in all without prior written authorization of communications without consent. copies. the copyright holder. OnStar - software THE SOFTWARE IS PROVIDED unzip: acknowledgements “AS IS,” WITHOUT WARRANTY OF ANY KIND, EXPRESS OR This is version 2005-Feb-10 of the Certain OnStar components include IMPLIED, INCLUDING BUT NOT Info-ZIP copyright and license. The libcurl and unzip software and other LIMITED TO THE WARRANTIES definitive version of this document third party software. Below are the OF MERCHANTABILITY, FITNESS should be available at ftp:// notices and licenses associated with FOR A PARTICULAR PURPOSE ftp.info-zip.org/pub/infozip/ libcurl and unzip and for other third AND NONINFRINGEMENT OF license.html indefinitely. party software please see http:// THIRD PARTY RIGHTS. IN NO Copyright (c) 1990-2005 Info-ZIP. All www.lg.com/global/support/ EVENT SHALL THE AUTHORS OR rights reserved. opensource/index and https:// COPYRIGHT HOLDERS BE For the purposes of this copyright www.onstar.com/web/portal/ LIABLE FOR ANY CLAIM, getdocuments and license, “Info-ZIP” is defined as DAMAGES OR OTHER LIABILITY, the following set of individuals: libcurl: WHETHER IN AN ACTION OF CONTRACT, TORT OR Mark Adler, John Bush, Karl Davis, COPYRIGHT AND PERMISSION OTHERWISE, ARISING FROM, Harald Denker, Jean-Michel Dubois, NOTICE OUT OF OR IN CONNECTION Jean-loup Gailly, Hunter Goatley, Ed Copyright (c) 1996 - 2010, Daniel WITH THE SOFTWARE OR THE Gordon, Ian Gorman, Chris Stenberg, . USE OR OTHER DEALINGS IN Herborth, Dirk Haase, Greg Hartwig, THE SOFTWARE. Robert Heath, Jonathan Hudson, All rights reserved. Paul Kienitz, David Kirschbaum, Except as contained in this notice, Johnny Lee, Onno van der Linden, Permission to use, copy, modify, the name of a copyright holder shall and distribute this software for any Igor Mandrichenko, Steve P. Miller, not be used in advertising or Sergio Monesi, Keith Owens, purpose with or without fee is otherwise to promote the sale, use hereby granted, provided that the George Petrov, Greg Roelofs, Kai GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (10,1) Mexico-8431503) - 2015 - crc - 8/11/14

14-10 OnStar

Uwe Rommel, Steve Salisbury, this list of conditions in thereof, including, but not limited Dave Smith, Steven M. Schweda, documentation and/or other to, different capitalizations), Christian Spieler, Cosmin Truta, materials provided with the “Pocket UnZip,”“WiZ” or Antoine Verheijen, Paul von Behren, distribution. The sole exception “MacZip” without the explicit Rich Wales, Mike White. to this condition is redistribution permission of Info-ZIP. Such of a standard UnZipSFX binary altered versions are further This software is provided “as is,” without warranty of any kind, (including SFXWiz) as part of a prohibited from express or implied. In no event shall self-extracting archive; that is misrepresentative use of the Info-ZIP or its contributors be held permitted without inclusion of Zip-Bugs or Info-ZIP e-mail liable for any direct, indirect, this license, as long as the addresses or of the incidental, special or consequential normal SFX banner has not Info-ZIP URL(s). damages arising out of the use of or been removed from the binary or 4. Info-ZIP retains the right to use disabled. inability to use this software. the names “Info-ZIP,”“Zip,” Permission is granted to anyone to 3. Altered versions–including, but “UnZip,”“UnZipSFX,”“WiZ,” use this software for any purpose, not limited to, ports to new “Pocket UnZip,”“Pocket Zip,” including commercial applications, operating systems, existing ports and “MacZip” for its own source and to alter it and redistribute it with new graphical interfaces, and binary releases. freely, subject to the following and dynamic, shared, or static restrictions: library versions–must be plainly marked as such and must not be 1. Redistributions of source code misrepresented as being the must retain the above copyright original source. Such altered notice, definition, disclaimer, and versions also must not be this list of conditions. misrepresented as being 2. Redistributions in binary form Info-ZIP releases–including, but (compiled executables) must not limited to, labeling of the reproduce the above copyright altered versions with the names notice, definition, disclaimer, and “Info-ZIP” (or any variation GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (1,1) Mexico-8431503) - 2015 - crc - 8/11/14

INDEX i-1

A Airbag System All-Season Tires ...... 10-45 Check ...... 3-41 All-Terrain Tires ...... 10-46 Accessories and How Does an Airbag Antilock Brake Modifications ...... 10-3 Restrain? ...... 3-34 System (ABS) ...... 9-41 Accessory Power ...... 9-27 Passenger Sensing Warning Light ...... 5-23 Active Emergency System ...... 3-35 Appearance Care Braking System ...... 1-20, 9-63 ® What Makes an Airbag Exterior ...... 10-86 Active Fuel Management . . . . . 9-30 Inflate? ...... 3-33 Interior ...... 10-91 Adaptive Cruise Control ...... 9-50 What Will You See after an Armrest Storage ...... 4-2 Add-On Electrical Airbag Inflates? ...... 3-34 Assistance Program, Equipment ...... 9-89 When Should an Airbag Roadside ...... 13-5 Additional Information Inflate? ...... 3-32 Assistance Systems for OnStar® ...... 14-6 Where Are the Airbags? ...... 3-30 Driving ...... 9-61 Additional Maintenance Airbags Assistance Systems for and Care ...... 11-9 Adding Equipment to the Parking and Backing ...... 9-58 Adjustable Throttle and Vehicle ...... 3-40 Automatic Brake Pedal ...... 9-20 Passenger Status Indicator . . .5-18 Dimming Mirrors ...... 2-30 Adjustments Readiness Light ...... 5-18 Door Locks ...... 2-18 Lumbar, Front Seats ...... 3-4 Servicing Airbag-Equipped Headlamp System ...... 6-3 Air Cleaner/Filter, Engine . . . . . 10-13 Vehicles ...... 3-40 Level Control ...... 9-47 Air Filter, Passenger System Check ...... 3-28 Transmission ...... 9-31 Compartment ...... 8-7 Alarm Transmission Fluid ...... 10-10 Air Vents ...... 8-6 Vehicle Security ...... 2-24 Automatic Transmission Alert Manual Mode ...... 9-34 Lane Change ...... 9-66 Shift Lock Control Side Blind Zone (SBZA) ...... 9-65 Function Check ...... 10-27 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (2,1) Mexico-8431503) - 2015 - crc - 8/11/14

i-2 INDEX

Axle, Front ...... 10-24 Bulb Replacement ...... 10-33 Cargo Axle, Rear ...... 10-25 Front Turn Signal Lamps . . . 10-30 Cover ...... 4-3 Headlamp Aiming ...... 10-29 Cautions, Danger, and B Headlamps ...... 10-30 Warnings ...... iii Battery ...... 10-23 High Intensity Discharge Center Console Storage ...... 4-2 Jump Starting ...... 10-78 (HID) Lighting ...... 10-30 Center Seat ...... 3-3 Load Management ...... 6-8 License Plate Lamps ...... 10-32 Chains, Tire ...... 10-65 Power Protection ...... 6-8 Taillamps, Turn Signal, Charging System Light ...... 5-19 Voltage and Charging Stoplamps, and Check Messages ...... 5-31 Back-up Lamps ...... 10-31 Engine Light ...... 5-20 Blade Replacement, Wiper . . . 10-28 Buying New Tires ...... 10-60 Ignition Blind Spot Mirrors ...... 2-30 Transmission Lock ...... 10-27 Brake C Child Restraints Pedal and Adjustable Calibration ...... 5-6 Infants and Young Throttle ...... 9-20 California Children ...... 3-44 System Warning Light ...... 5-22 Fuel Requirements ...... 9-70 Lower Anchors and Brakes ...... 10-20 Perchlorate Materials Tethers for Children ...... 3-50 Antilock ...... 9-41 Requirements ...... 10-3 Older Children ...... 3-42 Assist ...... 9-43 Warning ...... 10-2 Securing ...... 3-59, 3-62 Fluid ...... 10-21 Canadian Vehicle Owners ...... iii Systems ...... 3-47 Parking ...... 9-42 Capacities and Child-View Mirror ...... 2-32 System Messages ...... 5-32 Specifications ...... 12-2 Cleaning Braking ...... 9-3 Carbon Monoxide Exterior Care ...... 10-86 Braking System Engine Exhaust ...... 9-30 Interior Care ...... 10-91 Active Emergency ...... 1-20 Liftgate ...... 2-19 Break-In, New Vehicle ...... 9-19 Winter Driving ...... 9-12 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (3,1) Mexico-8431503) - 2015 - crc - 8/11/14

INDEX i-3

Climate Control Systems Cover Distracted Driving ...... 9-2 Dual Automatic ...... 8-1 Cargo ...... 4-3 Dome Lamps ...... 6-6 Rear ...... 8-5 Cruise Control ...... 9-47 Door Clock ...... 5-6 Light ...... 5-27 Ajar Messages ...... 5-33 Cluster, Instrument ...... 5-11 Messages ...... 5-32 Delayed Locking ...... 2-18 Collision Damage Repair ...... 13-9 Cruise Control, Active ...... 9-50 Locks ...... 2-16 Compartments Cupholders ...... 4-1 Power Locks ...... 2-17 Storage ...... 4-1 Customer Assistance ...... 13-4 Drive Belt Routing, Engine . . . . . 12-3 Compass ...... 5-6 Offices ...... 13-3 Driver Assistance Systems . . . . 9-57 Messages ...... 5-32 Text Telephone (TTY) Driver Information Connections Users ...... 13-4 Center (DIC) ...... 5-28 OnStar® ...... 14-4 Customer Information Driving Control Service Publications Assistance Systems ...... 9-61 Traction and Electronic Ordering Information ...... 13-11 Characteristics and Stability ...... 9-44 Customer Satisfaction Towing Tips ...... 9-74 Control of a Vehicle ...... 9-3 Procedure ...... 13-1 Defensive ...... 9-3 Convex Mirrors ...... 2-28 Drunk ...... 9-3 Coolant D For Better Fuel Economy . . . . .1-24 Engine ...... 10-15 Damage Repair, Collision ...... 13-9 Hill and Mountain Roads ...... 9-11 Engine Temperature Danger, Warnings, and If the Vehicle is Stuck ...... 9-13 Gauge ...... 5-16 Cautions ...... iii Loss of Control ...... 9-5 Cooling System ...... 10-14 Data Recorders, Event ...... 13-14 Off-Road ...... 9-5 Engine Messages ...... 5-33 Daytime Running Off-Road Recovery ...... 9-4 Courtesy Transportation Lamps (DRL) ...... 6-3 Vehicle Load Limits ...... 9-14 Program ...... 13-8 Defensive Driving ...... 9-3 Wet Roads ...... 9-10 Delayed Locking ...... 2-18 Winter ...... 9-12 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (4,1) Mexico-8431503) - 2015 - crc - 8/11/14

i-4 INDEX

Dual Automatic Climate Engine (cont'd) F Control System ...... 8-1 Cooling System ...... 10-14 Fan Cooling System Messages . . .5-33 Engine ...... 10-19 Drive Belt Routing ...... 12-3 E Features Exhaust ...... 9-30 E85 or FlexFuel ...... 9-71 Memory ...... 1-8 Fan ...... 10-19 Electrical Equipment, Filter, Heater ...... 9-26 Add-On ...... 9-89 Engine Air Cleaner ...... 10-13 Oil Life System ...... 10-9 Electrical System Flash-to-Pass ...... 6-2 Oil Messages ...... 5-34 Engine Compartment Flashers, Hazard Warning ...... 6-4 Oil Pressure Gauge ...... 5-15 Fuse Block ...... 10-34 Flat Tire ...... 10-66 Overheating ...... 10-18 Fuses ...... 10-33 Changing ...... 10-67 Power Messages ...... 5-35 Instrument Panel FlexFuel Running While Parked ...... 9-31 Fuse Block ...... 10-38, 10-40 E85 ...... 9-71 Starting ...... 9-24 Overload ...... 10-33 Floor Mats ...... 10-94 Entry Lighting ...... 6-7 Rear Compartment Fuse Fluid Equipment, Towing ...... 9-82 Block ...... 10-43 Automatic Transmission . . . . 10-10 Event Data Recorders ...... 13-14 Emergency Brakes ...... 10-21 ® Exit Lighting ...... 6-7 OnStar ...... 14-2 Four-Wheel Drive Extender, Safety Belt ...... 3-27 Engine Transfer Case ...... 9-37 Exterior Lamp Controls ...... 6-1 Air Cleaner/Filter ...... 10-13 Washer ...... 10-20 Exterior Lamps Off Reminder . . . 6-2 Check and Service Engine Fog Lamps ...... 6-5 Soon Light ...... 5-20 Folding Mirrors ...... 2-29 Compartment Overview ...... 10-5 Forward Collision Alert Coolant ...... 10-15 (FCA) System ...... 9-61 Coolant Temperature Four-Wheel Drive ...... 9-37, 10-24 Gauge ...... 5-16 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (5,1) Mexico-8431503) - 2015 - crc - 8/11/14

INDEX i-5

Frequency Statement Fuses ...... 10-33 General Information Radio ...... 13-12 Engine Compartment Service and Maintenance . . . . . 11-1 Front Axle ...... 10-24 Fuse Block ...... 10-34 Towing ...... 9-74 Front Fog Lamp Instrument Panel Vehicle Care ...... 10-2 Light ...... 5-27 Fuse Block ...... 10-38, 10-40 Glass Replacement ...... 10-29 Front Seats Rear Compartment Fuse Glove Box ...... 4-1 Heated and Cooled ...... 3-7 Block ...... 10-43 GM Mobility Reimbursement Front Turn Signal Lamps . . . . . 10-30 Program ...... 13-5 Fuel ...... 9-69 G Additives ...... 9-71 Garage Door Opener ...... 5-52 H Economy Driving ...... 1-24 Programming ...... 5-52 Hazard Warning Flashers ...... 6-4 Filling a Portable Fuel Gauges Head Restraints ...... 3-2 Container ...... 9-73 Engine Coolant Headlamps ...... 10-30 Filling the Tank ...... 9-72 Temperature ...... 5-16 Aiming ...... 10-29 Foreign Countries ...... 9-71 Engine Oil Pressure ...... 5-15 Automatic ...... 6-3 Gauge ...... 5-14 Fuel ...... 5-14 Bulb Replacement ...... 10-30 Low Fuel Warning Light ...... 5-26 Odometer ...... 5-13 Daytime Running Management, Active ...... 9-30 Speedometer ...... 5-13 Lamps (DRL) ...... 6-3 Requirements, California . . . . .9-70 Tachometer ...... 5-13 Flash-to-Pass ...... 6-2 System Messages ...... 5-35 Trip Odometer ...... 5-13 High Intensity Discharge Full-Size Spare Tire ...... 10-77 Voltmeter ...... 5-16 (HID) Lighting ...... 10-30 Warning Lights and High-Beam On Light ...... 5-26 Indicators ...... 5-10 High/Low Beam Changer ...... 6-2 Lamps On Reminder ...... 5-27 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (6,1) Mexico-8431503) - 2015 - crc - 8/11/14

i-6 INDEX

Heated Infotainment ...... 7-1 Lamps (cont'd) Rear Seats ...... 3-9 Infotainment System ...... 13-15 Fog ...... 6-5 Steering Wheel ...... 5-3 Instrument Cluster ...... 5-11 Front Turn Signal ...... 10-30 Heated and Cooled Front Instrument Panel License Plate ...... 10-32 Seats ...... 3-7 Storage Area ...... 4-1 Malfunction Indicator ...... 5-20 Heated Mirrors ...... 2-30 Interior Rearview Mirrors ...... 2-31 Messages ...... 5-36 Heater Introduction ...... iii On Reminder ...... 5-27 Engine ...... 9-26 Reading ...... 6-6 High-Beam On Light ...... 5-26 J Lane Change Alert ...... 9-66 High-Speed Operation ...... 10-53 Jump Starting ...... 10-78 Lane Departure Hill and Mountain Roads ...... 9-11 Warning (LDW) ...... 9-68 Hill Start Assist (HSA) ...... 9-43 Lane Departure Warning Hood ...... 10-4 K Light ...... 5-24 Horn ...... 5-3 Key and Lock Messages ...... 5-35 Lap Belt ...... 3-26 How to Wear Safety Belts Keyless Entry Lap-Shoulder Belt ...... 3-21 Properly ...... 3-20 Remote (RKE) System . . . 2-5, 2-8 LATCH System Keys ...... 2-2, 2-4 Replacing Parts after a I Crash ...... 3-59 Ignition Positions ...... 9-20, 9-22 L LATCH, Lower Anchors and Ignition Transmission Lock Labeling, Tire Sidewall ...... 10-46 Tethers for Children ...... 3-50 Check ...... 10-27 Lamps LED Lighting ...... 10-30 Immobilizer ...... 2-26 Daytime Running (DRL) ...... 6-3 Level Control Indicator Dome ...... 6-6 Automatic ...... 9-47 Vehicle Ahead ...... 5-24 Exterior Controls ...... 6-1 Liftgate ...... 2-19 Infants and Young Children, Exterior Lamps Off Restraints ...... 3-44 Reminder ...... 6-2 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (7,1) Mexico-8431503) - 2015 - crc - 8/11/14

INDEX i-7

Lighting Locking Rear Axle ...... 9-46 Maintenance Schedule ...... 11-2 Entry ...... 6-7 Locks Recommended Fluids Exit ...... 6-7 Automatic Door ...... 2-18 and Lubricants ...... 11-12 Illumination Control ...... 6-6 Delayed Locking ...... 2-18 Transfer Case ...... 9-37 LED ...... 10-30 Door ...... 2-16 Malfunction Indicator Lamp . . . . 5-20 Lights Lockout Protection ...... 2-18 Manual Mode ...... 9-34 Airbag Readiness ...... 5-18 Power Door ...... 2-17 Memory Features ...... 1-8 Antilock Brake System Safety ...... 2-18 Memory Seats ...... 3-5 (ABS) Warning ...... 5-23 Loss of Control ...... 9-5 Messages Brake System Warning ...... 5-22 Low Fuel Warning Light ...... 5-26 Airbag System ...... 5-39 Charging System ...... 5-19 Low-Profile Tires ...... 10-46 Battery Voltage and Cruise Control ...... 5-27 Lower Anchors and Tethers Charging ...... 5-31 Flash-to-Pass ...... 6-2 for Children (LATCH Brake System ...... 5-32 Front Fog Lamp ...... 5-27 System) ...... 3-50 Compass ...... 5-32 High-Beam On ...... 5-26 Lumbar Adjustment ...... 3-4 Door Ajar ...... 5-33 High/Low Beam Changer ...... 6-2 Front Seats ...... 3-4 Engine Cooling System ...... 5-33 Lane Departure Warning ...... 5-24 Engine Oil ...... 5-34 Low Fuel Warning ...... 5-26 M Engine Power ...... 5-35 Safety Belt Reminders ...... 5-17 Magnetic Ride Control ...... 9-46 Fuel System ...... 5-35 Security ...... 5-26 Key and Lock ...... 5-35 ® Maintenance StabiliTrak OFF ...... 5-25 Records ...... 11-15 Lamp ...... 5-36 Tire Pressure ...... 5-25 Maintenance and Care Object Detection System . . . . .5-36 Tow/Haul Mode ...... 5-24 Additional ...... 11-9 Ride Control System ...... 5-38 Traction Control System Security ...... 5-39 (TCS)/StabiliTrak® ...... 5-25 Steering System ...... 5-40 Traction Off ...... 5-24 Tire ...... 5-40 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (8,1) Mexico-8431503) - 2015 - crc - 8/11/14

i-8 INDEX

Messages (cont'd) N OnStar® Additional Transmission ...... 5-41 Information ...... 14-6 Navigation ® Vehicle ...... 5-31 ® OnStar Connections ...... 14-4 OnStar ...... 14-3 Vehicle Reminder ...... 5-42 OnStar® Emergency ...... 14-2 New Vehicle Break-In ...... 9-19 Washer Fluid ...... 5-43 OnStar® Navigation ...... 14-3 Noise Control System ...... 10-26 Mirror OnStar® Overview ...... 14-1 Child-View ...... 2-32 OnStar® Security ...... 14-3 Mirrors O OnStar® Vehicle Automatic Dimming ...... 2-30 Object Detection System Diagnostics ...... 14-6 Automatic Dimming Messages ...... 5-36 Ordering Rearview ...... 2-32 Odometer ...... 5-13 Service Publications ...... 13-11 Blind Spot ...... 2-30 Trip ...... 5-13 Outlets Convex ...... 2-28 Off-Road ...... 9-5 Power ...... 5-7 Folding ...... 2-29 Driving ...... 9-5 Overheating, Engine ...... 10-18 Heated ...... 2-30 Recovery ...... 9-4 Manual Rearview ...... 2-31 Oil Engine ...... 10-6 P Power ...... 2-29 Park Engine Oil Life System ...... 10-9 Tilt in Reverse ...... 2-31 Shifting Into ...... 9-28 Engine Oil Pressure Mirrors, Interior Rearview ...... 2-31 Shifting Out of ...... 9-29 Gauge ...... 5-15 Monitor System, Tire Parking Messages ...... 5-34 Pressure ...... 10-53 Brake ...... 9-42 Older Children, Restraints . . . . . 3-42 Brake and P (Park) Online Owner Center ...... 13-4 Mechanism Check ...... 10-28 OnStar ...... 13-15 ® Over Things That Burn ...... 9-30 OnStar System, In Brief ...... 1-25 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (9,1) Mexico-8431503) - 2015 - crc - 8/11/14

INDEX i-9

Parking or Backing Program Recreational Vehicle Assistance Systems ...... 9-58 Courtesy Transportation ...... 13-8 Towing ...... 10-81 Passenger Airbag Status Proposition 65 Warning, Reimbursement Program, Indicator ...... 5-18 California ...... 10-2 GM Mobility ...... 13-5 Passenger Compartment Air Remote Keyless Entry Filter ...... 8-7 R (RKE) System ...... 2-5, 2-8 Passenger Sensing System . . . 3-35 Radio Frequency Remote Vehicle Start ...... 2-15 Perchlorate Materials Identification (RFID) ...... 13-12 Replacement Requirements, California . . . . . 10-3 Radio Frequency Glass ...... 10-29 Personalization Statement ...... 13-12 Replacement Bulbs ...... 10-33 Vehicle ...... 5-44 Reading Lamps ...... 6-6 Replacement Parts Power Rear Axle ...... 10-25 Airbags ...... 3-42 Door Locks ...... 2-17 Locking ...... 9-46 Maintenance ...... 11-13 Mirrors ...... 2-29 Rear Climate Control System . . . 8-5 Replacing Airbag System ...... 3-42 Outlets ...... 5-7 Rear Seats Replacing LATCH System Protection, Battery ...... 6-8 Heated ...... 3-9 Parts after a Crash ...... 3-59 Retained Accessory (RAP) . . .9-27 Rear Storage ...... 4-2 Replacing Safety Belt Seat Adjustment ...... 3-3 Rear Window Washer/Wiper . . . . 5-5 System Parts after a Crash . . . 3-28 Windows ...... 2-33 Rearview Mirrors ...... 2-31 Reporting Safety Defects Power Assist Steps ...... 2-23 Automatic Dimming ...... 2-32 Canadian Government ...... 13-13 Pregnancy, Using Safety Reclining Seatbacks ...... 3-4 General Motors ...... 13-13 Belts ...... 3-26 Recommended Fluids and U.S. Government ...... 13-13 Privacy Lubricants ...... 11-12 Restraints Vehicle Data Recording . . . . . 13-14 Records Where to Put ...... 3-49 Maintenance ...... 11-15 Retained Accessory Power (RAP) ...... 9-27 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (10,1) Mexico-8431503) - 2015 - crc - 8/11/14

i-10 INDEX

Reverse Tilt Mirrors ...... 2-31 Safety Belts (cont'd) Security Ride Control Systems Reminders ...... 5-17 Light ...... 5-26 Magnetic ...... 9-46 Replacing after a Crash ...... 3-28 Messages ...... 5-39 Messages ...... 5-38 Use During Pregnancy ...... 3-26 OnStar® ...... 14-3 Roads Safety Defects Reporting Vehicle ...... 2-24 Driving, Wet ...... 9-10 Canadian Government ...... 13-13 Vehicle Alarm ...... 2-24 Roadside Assistance General Motors ...... 13-13 Service ...... 8-8 Program ...... 13-5 U.S. Government ...... 13-13 Accessories and Roof Safety Locks ...... 2-18 Modifications ...... 10-3 Sunroof ...... 2-35 Safety System Check ...... 3-27 Doing Your Own Work ...... 10-3 Roof Rack System ...... 4-4 Scheduling Appointments ...... 13-7 Engine Soon Light ...... 5-20 Rotation, Tires ...... 10-58 Seats Maintenance Records ...... 11-15 Routing, Engine Drive Belt . . . . . 12-3 Center Seat ...... 3-3 Maintenance, General Running the Vehicle While Head Restraints ...... 3-2 Information ...... 11-1 Parked ...... 9-31 Heated, Rear ...... 3-9 Parts Identification Label . . . . .12-1 Lumbar Adjustment, Front . . . . . 3-4 Publications Ordering S Memory ...... 3-5 Information ...... 13-11 Safety Belts ...... 3-18 Power Adjustment, Front ...... 3-3 Scheduling Appointments . . . . .13-7 Care ...... 3-27 Reclining Seatbacks ...... 3-4 Services Extender ...... 3-27 Second Row ...... 3-10 Special Application ...... 11-8 How to Wear Safety Belts Third Row Seat ...... 3-14 Servicing the Airbag ...... 3-40 Properly ...... 3-20 Second Row Seats ...... 3-10 Shift Lock Control Function Lap Belt ...... 3-26 Securing Child Check, Automatic Lap-Shoulder Belt ...... 3-21 Restraints ...... 3-59, 3-62 Transmission ...... 10-27 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (11,1) Mexico-8431503) - 2015 - crc - 8/11/14

INDEX i-11

Shifting Storage T Into Park ...... 9-28 Rear ...... 4-2 Tachometer ...... 5-13 Out of Park ...... 9-29 Storage Areas Taillamps Side Blind Zone Armrest ...... 4-2 Bulb Replacement ...... 10-31 Alert (SBZA) ...... 9-65 Cargo Cover ...... 4-3 Text Telephone (TTY) Users . . . 13-4 Signals, Turn and Center Console ...... 4-2 Theft-Deterrent Lane-Change ...... 6-4 Glove Box ...... 4-1 Systems ...... 2-26, 2-27 Special Application Services . . . 11-8 Instrument Panel ...... 4-1 Immobilizer ...... 2-26 Specifications and Roof Rack System ...... 4-4 Third-Row Seats ...... 3-14 Capacities ...... 12-2 Sunglasses ...... 4-2 Throttle, Adjustable ...... 9-20 Speedometer ...... 5-13 Storage Compartments ...... 4-1 Time ...... 5-6 StabiliTrak Stuck Vehicle ...... 9-13 Tires ...... 10-44 OFF Light ...... 5-25 Sun Visors ...... 2-35 All-Season ...... 10-45 Start Assist, Hills ...... 9-43 Sunglass Storage ...... 4-2 All-Terrain ...... 10-46 Start Vehicle, Remote ...... 2-15 Sunroof ...... 2-35 Buying New Tires ...... 10-60 Starter Switch Check ...... 10-27 Symbols ...... iv Chains ...... 10-65 Starting the Engine ...... 9-24 System Changing ...... 10-67 Steering ...... 9-4 Active Emergency Braking . . . .9-63 Designations ...... 10-48 Heated Wheel ...... 5-3 Forward Collision Different Size ...... 10-62 Alert (FCA) ...... 9-61 Wheel Adjustment ...... 5-2 Full-Size Spare ...... 10-77 Wheel Controls ...... 5-3 Infotainment ...... 7-1, 13-15 If a Tire Goes Flat ...... 10-66 Steering System Messages . . . . 5-40 Noise Control ...... 10-26 Inflation Monitor System . . . . 10-54 Steps Roof Rack ...... 4-4 Inspection ...... 10-58 Power Assist ...... 2-23 Systems Low Profile ...... 10-46 Stoplamps and Back-up Lamps Driver Assistance ...... 9-57 Messages ...... 5-40 Bulb Replacement ...... 10-31 Pressure ...... 10-53 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (12,1) Mexico-8431503) - 2015 - crc - 8/11/14

i-12 INDEX

Tires (cont'd) Traction U Pressure Light ...... 5-25 Control System (TCS)/ Uniform Tire Quality Pressure Monitor System . . . 10-53 StabiliTrak® Light ...... 5-25 Grading ...... 10-62 Rotation ...... 10-58 Off Light ...... 5-24 Universal Remote System . . . . . 5-52 Sidewall Labeling ...... 10-46 Traction Control/Electronic Operation ...... 5-54 Terminology and Stability Control ...... 9-44 Programming ...... 5-52 Definitions ...... 10-49 Trailer Using This Manual ...... iii Uniform Tire Quality Sway Control (TSC) ...... 9-88 Grading ...... 10-62 Towing ...... 9-77 Wheel Alignment and Tire Transfer Case ...... 9-37 V Balance ...... 10-64 Transmission Vehicle Wheel Replacement ...... 10-64 Automatic ...... 9-31 Alarm System ...... 2-24 When It Is Time for New Fluid, Automatic ...... 10-10 Canadian Owners ...... iii Tires ...... 10-59 Messages ...... 5-41 Control ...... 9-3 Winter ...... 10-45 Transportation Program, Identification Tow/Haul Mode ...... 9-36 Courtesy ...... 13-8 Number (VIN) ...... 12-1 Tow/Haul Mode Light ...... 5-24 Trip Odometer ...... 5-13 Load Limits ...... 9-14 Towing Turn and Lane-Change Messages ...... 5-31 Driving Characteristics ...... 9-74 Signals ...... 6-4 Personalization ...... 5-44 Equipment ...... 9-82 Turn Signal Reminder Messages ...... 5-42 General Information ...... 9-74 Bulb Replacement ...... 10-31 Remote Start ...... 2-15 Recreational Vehicle ...... 10-81 Security ...... 2-24 Trailer ...... 9-77 Towing ...... 10-81 Trailer Sway Control (TSC) . . .9-88 Vehicle Ahead Indicator ...... 5-24 Vehicle ...... 10-81 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (13,1) Mexico-8431503) - 2015 - crc - 8/11/14

INDEX i-13

Vehicle Care When It Is Time for New Tire Pressure ...... 10-51 Tires ...... 10-59 Vehicle Data Recording Where to Put the Restraint . . . . 3-49 and Privacy ...... 13-14 Windows ...... 2-32 Vehicle Diagnostics Power ...... 2-33 OnStar® ...... 14-6 Windshield Ventilation, Air ...... 8-6 Replacement ...... 10-29 Visors ...... 2-35 Wiper/Washer ...... 5-3 Voltmeter Gauge ...... 5-16 Winter Driving ...... 9-12 W Winter Tires ...... 10-45 Warning Wiper Blade Replacement . . . . 10-28 Brake System Light ...... 5-22 Wipers Lane Departure (LDW) ...... 9-68 Rear Washer ...... 5-5 Warning Lights, Gauges, and Indicators ...... 5-10 Warnings ...... iii Cautions and Danger ...... iii Hazard Flashers ...... 6-4 Washer Fluid ...... 10-20 Messages ...... 5-43 Wheels Alignment and Tire Balance ...... 10-64 Different Size ...... 10-62 Replacement ...... 10-64 GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/ Black plate (14,1) Mexico-8431503) - 2015 - crc - 8/11/14

i-14 INDEX

2 NOTES