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Contents Introduction ...... 2 Keys, Doors, and Windows ...... 7 Seats and Restraints ...... 41 Storage ...... 98 Instruments and Controls ...... 105 Lighting ...... 155 Infotainment System ...... 164 Climate Controls ...... 165 Driving and Operating ...... 173 Vehicle Care ...... 259 Service and Maintenance . . . . . 351 Technical Data ...... 365 Customer Information ...... 370 Reporting Safety Defects ...... 380 OnStar ...... 384 Connected Services ...... 390 Index ...... 393 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

2 Introduction Introduction For vehicles first sold in Canada, Canadian Vehicle Owners substitute the name “General Motors of Canada Company” for A French language manual can be GMC wherever it appears in this obtained from your dealer, at manual. www.helminc.com, or from: This manual describes features that Propriétaires Canadiens may or may not be on the vehicle On peut obtenir un exemplaire de because of optional equipment that ce guide en français auprès du was not purchased on the vehicle, The names, logos, emblems, concessionnaire ou à l'adresse model variants, country suivante: slogans, vehicle model names, and specifications, features/applications vehicle body designs appearing in that may not be available in your Helm, Incorporated this manual including, but not limited region, or changes subsequent to Attention: Customer Service to, GM, the GM logo, GMC, the the printing of this owner’s manual. 47911 Halyard Drive GMC Truck Emblem, ACADIA, and Plymouth, MI 48170 DENALI are trademarks and/or Refer to the purchase USA service marks of General Motors documentation relating to your LLC, its subsidiaries, affiliates, specific vehicle to confirm the Using this Manual or licensors. features. Keep this manual in the vehicle for To quickly locate information about quick reference. the vehicle, use the Index in the back of the manual. It is an alphabetical list of what is in the manual and the page number where it can be found.

Litho in U.S.A. Part No. 84289158 B Second Printing © 2019 General Motors LLC. All Rights Reserved. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Introduction 3 Danger, Warning, and 0 : Shown when there is more Caution information on another page — “see page.” Warning messages found on vehicle labels and in this manual describe Vehicle Symbol Chart hazards and what to do to avoid or Here are some additional symbols reduce them. A circle with a slash through it is a that may be found on the vehicle safety symbol which means “Do and what they mean. See the { Danger not,”“Do not do this,” or “Do not let features in this manual for this happen.” information. Danger indicates a hazard with a u : Air Conditioning System high level of risk which will result Symbols in serious injury or death. G : Air Conditioning Refrigerant Oil The vehicle has components and labels that use symbols instead of 9 : Airbag Readiness Light text. Symbols are shown along with ! : Antilock Brake System (ABS) { Warning the text describing the operation or information relating to a specific $ : Brake System Warning Light Warning indicates a hazard that component, control, message, could result in injury or death. gauge, or indicator. 9 : Dispose of Used Components Properly M : Shown when the owner’s manual has additional instructions P : Do Not Apply High Pressure Caution or information. Water * B : Engine Coolant Temperature Caution indicates a hazard that : Shown when the service manual has additional instructions could result in property or vehicle or information. _ : Flame/Fire Prohibited damage. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

4 Introduction H : Flammable > : Seat Belt Reminders [ : Forward Collision Alert I : Side Blind Zone Alert R : Fuse Block Cover Lock h : Stop/Start Location 7 : Tire Pressure Monitor + : Fuses d : Traction Control/StabiliTrak/ j : ISOFIX/LATCH System Child Electronic Stability Control (ESC) Restraints a : Under Pressure Q : Keep Fuse Block Covers Properly Installed V : Vehicle Ahead Indicator | : Lane Change Alert @ : Lane Departure Warning A : Lane Keep Assist * : Malfunction Indicator Lamp : : Oil Pressure X : Park Assist ~ : Pedestrian Ahead Indicator O : Power 7 : Rear Cross Traffic Alert I : Registered Technician / : Remote Vehicle Start GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Introduction 5 Instrument Panel Overview GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

6 Introduction 1. Air Vents 0 171. 11. | Hazard Warning Flashers Driver Information Center (DIC) 2. Exterior Lamp Controls 0 155. 0 159. Buttons. See Driver Information Center (DIC) (Base) 0 137 or Turn Signal Lever. See Turn g Traction Control/Electronic Driver Information Center (DIC) and Lane-Change Signals Stability Control 0 209. (Midlevel and Uplevel) 0 139. 0 159. X Park Assist Switch. See 19. Horn 0 107. 3. Instrument Cluster (Base and Assistance Systems for Midlevel) 0 115 or 0 20. Steering Wheel Adjustment Parking or Backing 227 (If 0 106. Instrument Cluster (Uplevel) Equipped). 0 119. 21. Cruise Control 0 214. 12. Driver Mode Control 0 212. 4. Windshield Wiper/Washer Adaptive Cruise Control 0 216 0 107. 13. A Lane Keep Assist (LKA) (If Equipped). 0 240 (If Equipped). Rear Window Wiper/Washer Forward Collision Alert (FCA) 0 109. 5 Hill Descent Control (HDC) System 0 231 (If Equipped). 0 5. Light Sensor. See Automatic 211 (If Equipped). Heated Steering Wheel 0 107 Headlamp System 0 158. 14. h Auto Stop Disable Button. (If Equipped). 6. Infotainment 0 164. See Stop/Start System 0 193 22. Hood Release. See Hood (If Equipped). 0 7. Dual Automatic Climate Control 262. System 0 165. 15. Power Outlets 0 110. 23. Instrument Panel Illumination 0 8. USB Port (If Equipped). 16. Shift Switches. See Automatic Control 160 (Out of View). Transmission 0 201. 0 Auxiliary Input Jack. See Head-Up Display (HUD) 142 Infotainment 0 164. 17. ENGINE START/STOP Button. (If Equipped). See Starting the Engine 0 192. 9. Wireless Charging 0 112 (If 24. Data Link Connector (DLC) Equipped). 18. Steering Wheel Controls 0 107 (Out of View). See Malfunction (If Equipped). Indicator Lamp (Check Engine 10. Heated and Ventilated Front Light) 0 127. Seats 0 49 (If Equipped). 25. Electric Parking Brake 0 207. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 7 Folding Mirrors ...... 32 Keys and Locks Keys, Doors, and Heated Mirrors ...... 33 Windows Automatic Dimming Mirror . . . . . 33 Reverse Tilt Mirrors ...... 33 Keys Interior Mirrors Keys and Locks Interior Rearview Mirrors ...... 33 { Warning Keys ...... 7 Manual Rearview Mirror ...... 33 Leaving children in a vehicle with Remote Keyless Entry (RKE) Automatic Dimming Rearview System ...... 8 a Remote Keyless Entry (RKE) Mirror ...... 33 transmitter is dangerous and Remote Keyless Entry (RKE) Rear Camera Mirror ...... 34 System Operation ...... 8 children or others could be Remote Vehicle Start ...... 15 Windows seriously injured or killed. They Door Locks ...... 17 Windows ...... 36 could operate the power windows Power Door Locks ...... 19 Power Windows ...... 36 or other controls or make the Delayed Locking ...... 19 Sun Visors ...... 38 vehicle move. The windows will Automatic Door Locks ...... 19 function with the RKE transmitter Lockout Protection ...... 20 Roof in the vehicle, and children or Safety Locks ...... 20 Sunroof ...... 38 others could be caught in the path Doors of a closing window. Do not leave Liftgate ...... 21 children in a vehicle with an RKE transmitter. Vehicle Security Vehicle Security ...... 29 Vehicle Alarm System ...... 29 Immobilizer ...... 30 Immobilizer Operation ...... 30 Exterior Mirrors Convex Mirrors ...... 31 Power Mirrors ...... 31 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

8 Keys, Doors, and Windows To remove the key, press the button . Check the distance. The near the bottom of the transmitter, transmitter may be too far from and pull the key out. Never pull the the vehicle. key out without pressing the button. . Check the location. Other If it becomes difficult to turn the key, vehicles or objects may be inspect the key blade for debris. blocking the signal. Periodically, clean with a brush or . Check the transmitter's battery. a pick. See “Battery Replacement” later See your dealer if a new key is in this section. needed. . If the transmitter is still not Contact Roadside Assistance if working correctly, see your The key, inside the Remote Keyless locked out of the vehicle. See dealer or a qualified technician Roadside Assistance Program for service. Entry (RKE) transmitter, can be 0 used for all locks. 374. With an active OnStar or connected Remote Keyless Entry service plan, an OnStar Advisor (RKE) System Operation may remotely unlock the vehicle. See OnStar Overview 0 384. The Keyless Access system allows for vehicle entry when the Remote Remote Keyless Entry Keyless Entry (RKE) transmitter is within 1 m (3 ft). See “Keyless (RKE) System Access Operation” following. See Radio Frequency Statement The RKE transmitter functions may 0 380. work up to 60 m (197 ft) away from If there is a decrease in the Remote the vehicle. Keyless Entry (RKE) operating range: GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 9 Other conditions can impact the immediately unlock. See Vehicle / : If equipped, press and release 0 performance of the transmitter. See Personalization 146. If the Q and then immediately press and Remote Keyless Entry (RKE) passenger door is open when Q is hold / for at least four seconds to System 0 8. pressed, all doors lock. start the engine from outside the Pressing Q may also arm the vehicle using the RKE transmitter. theft-deterrent system. See Vehicle See Remote Vehicle Start 0 15. 0 Alarm System 29. 7 : Press and release one time to K : Press to unlock the driver door. initiate vehicle locator. The exterior Press again within five seconds to lamps flash and the horn chirps unlock all doors. The RKE three times. Press and hold 7 for transmitter can be programmed to three seconds to sound the panic unlock all doors on the first button alarm. The horn sounds and the press. See Vehicle Personalization turn signal lamps flash for 0 146. When remotely unlocking the 30 seconds, or until 7 is pressed vehicle at night the fog lamps and again or the vehicle is started. With Remote Start Shown, Without back-up lamps will come on for about 30 seconds to light your b : Press twice quickly to open or Similar approach to the vehicle. The turn close the liftgate. Q : Press to lock all doors. The turn signal indicators may flash to Press once to stop the liftgate from signal indicators may flash and/or indicate unlocking. See Vehicle moving. the horn may sound on the second Personalization 0 146. press to indicate locking. See Keyless Access Operation Pressing K will disarm the Vehicle Personalization 0 146. theft-deterrent system. See Vehicle With the Keyless Access system, If the driver door is open when Q is Alarm System 0 29. you can lock and unlock the doors and access the liftgate without pressed and Open Door Anti If equipped, pressing and holding K removing the RKE transmitter from Lockout is enabled, all doors will will open the windows, if enabled. your pocket, purse, briefcase, etc. lock and then the driver door will See Vehicle Personalization 0 146. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

10 Keys, Doors, and Windows The RKE transmitter should be Keyless Unlocking/Locking from within 1 m (3 ft) of the liftgate or door Passenger Doors being opened. When the doors are locked and the Keyless Access can be RKE transmitter is within 1 m (3 ft) of programmed to unlock all doors on the door handle, pressing the lock/ the first lock/unlock press from the unlock button on that door handle driver door. Keyless Access can will unlock all doors. Pressing the also be turned off. See Vehicle lock/unlock button will cause all Personalization 0 146. doors to lock if any of the following If equipped with memory seats, RKE occur: transmitters 1 and 2 are linked to . The lock/unlock button was used seating positions of memory 1 or 2. to unlock all doors. 0 Driver Shown, Passenger Similar See Memory Seats 46. . Any vehicle door has opened Pressing the lock/unlock button will Keyless Unlocking/Locking from and all doors are now closed. cause all doors to lock if any of the the Driver Door following occur: Disable/Enable Keyless Unlocking When the doors are locked and the of Exterior Door Handles and . It has been more than RKE transmitter is within 1 m (3 ft) of Liftgate five seconds since the first lock/ the driver door handle, pressing the unlock button press. If equipped, keyless unlocking of the lock/unlock button on the driver door exterior door handles and liftgate . Two lock/unlock button presses handle will unlock the driver door. can be disabled and enabled. If the lock/unlock button is pressed were used to unlock all doors. Disabling Keyless Unlocking: again within five seconds, all . Any vehicle door has opened passenger doors will unlock. and all doors are now closed. With the vehicle off, press and hold Q and K on the RKE transmitter at the same time for approximately three seconds. The turn signal lamps will flash four times quickly to indicate access is disabled. Using GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 11 any exterior handle to unlock the transmitter inside the vehicle. Do Remote No Longer in Vehicle Alert doors or open the liftgate will cause not leave the RKE transmitter in an If the vehicle is on with a door open, the turn signal lamps to flash four unattended vehicle. and then all doors are closed, the times quickly, indicating access is To customize the doors to vehicle will check for RKE disabled. If disabled, disarm the automatically lock when exiting the transmitters inside. If an RKE alarm system before starting the vehicle, see “Remote Lock, Unlock, transmitter is not detected, the vehicle. Start” under Vehicle Personalization Driver Information Center (DIC) will Enabling Keyless Unlocking: 0 146. display NO REMOTE DETECTED and the horn will chirp three times. With the vehicle off, press and hold Temporary Disable of Passive K This occurs only once each time the Q and on the RKE transmitter at Locking vehicle is driven. the same time for approximately Temporarily disable passive locking three seconds. The turn signal To turn on or off, see Vehicle by pressing and holding K on the lamps will flash twice quickly to Personalization 0 146. indicate access is enabled. interior door switch with a door open for at least four seconds, or until Keyless Liftgate Opening Passive Locking three chimes are heard. Passive Press the touch pad on the liftgate The vehicle will lock several locking will then remain disabled handle to open the liftgate if the seconds after all doors are closed if until Q on the interior door is RKE transmitter is within 1 m (3 ft). pressed, or until the vehicle is the vehicle is off and at least one Key Access RKE transmitter has been removed turned on. To access a vehicle with a dead or none remain in the interior. Remote Left in Vehicle Alert transmitter battery, see Door Locks If other electronic devices interfere When the vehicle is turned off and 0 17. with the RKE transmitter signal, the an RKE transmitter is left in the vehicle may not detect the RKE vehicle, the horn will chirp three Programming Transmitters to transmitter inside the vehicle. times after all doors are closed. To the Vehicle If passive locking is enabled, the turn on or off, see Vehicle doors may lock with the RKE Only RKE transmitters programmed Personalization 0 146. to the vehicle will work. If a transmitter is lost or stolen, a GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

12 Keys, Doors, and Windows replacement can be purchased and counterclockwise, to the unlock 5. Remove the transmitter from programmed through your dealer. position five times within the transmitter pocket and The vehicle can be reprogrammed 10 seconds. press the transmitter K or Q so that lost or stolen transmitters no The DIC displays READY FOR button. longer work. Each vehicle can have REMOTE #3, 4, ETC. up to eight transmitters matched To program additional to it. transmitters, repeat Steps 3–5. When all additional transmitters Programming with Recognized are programmed, press and Transmitters hold ENGINE START/STOP for A new transmitter can be 12 seconds to exit programmed to the vehicle when programming mode. there are two recognized 6. Put the key back into the transmitters. transmitter. To program, the vehicle must be off 7. Replace the key lock cylinder and all of the transmitters, both cap. See Door Locks 0 17. currently recognized and new, must be with you. Programming without Recognized Transmitters 1. Place the two recognized 3. Place the new transmitter into transmitters in the cupholder. the transmitter pocket. The If two currently recognized 2. Remove the key lock cylinder transmitter pocket is under the transmitters are not available, follow cap on the driver door handle. liner on the bottom of the this procedure to program up to See Door Locks 0 17. Insert center console storage area. eight transmitters. This feature is the vehicle key of the new Lift up the liner and set it aside. not available in Canada. This transmitter into the key lock procedure will take approximately 4. Press ENGINE START/STOP. 30 minutes to complete. The vehicle cylinder on the driver door When the transmitter is handle and turn the key, must be off and all of the learned, the DIC will display transmitters you wish to program that it is ready to program the must be with you. next transmitter. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 13 1. Remove the key lock cylinder The DIC should now display 6. Remove the transmitter from cap on the driver door handle. READY FOR REMOTE # 1. the transmitter pocket and See Door Locks 0 17. Insert press the transmitter K or Q the vehicle key of the button. transmitter into the key lock cylinder on the driver door To program additional handle and turn the key, transmitters, repeat Steps 4–6. counterclockwise, to the unlock When all additional transmitters position five times within are programmed, press and 10 seconds. hold ENGINE START/STOP for The DIC displays REMOTE 12 seconds to exit LEARN PENDING, programming mode. PLEASE WAIT. 7. Put the key back into the 2. Wait for 10 minutes until the transmitter. DIC displays PRESS ENGINE 8. Replace the key lock cylinder START BUTTON TO LEARN 4. Place the new transmitter into cap. See Door Locks 0 17. and then press ENGINE the transmitter pocket. The START/STOP. transmitter pocket is under the Starting the Vehicle with a Low liner on the bottom of the Transmitter Battery The DIC will again display center console storage area. REMOTE LEARN PENDING, When the vehicle is started, if the Lift up the liner and set it aside. PLEASE WAIT. transmitter battery is weak, the DIC 5. Press ENGINE START/STOP. may display NO REMOTE 3. Repeat Step 2 two additional When the transmitter is DETECTED or NO REMOTE KEY times. After the third time all learned, the DIC will display WAS DETECTED PLACE KEY IN previously known transmitters that it is ready to program the TRANSMITTER POCKET THEN will no longer work with the next transmitter. START YOUR VEHICLE. The DIC vehicle. Remaining transmitters may also display REPLACE can be relearned during the BATTERY IN REMOTE KEY. next steps. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

14 Keys, Doors, and Windows To start the vehicle: Replace the transmitter battery Caution 1. Open the center console as soon as possible. storage area by opening the Battery Replacement When replacing the battery, do armrest. not touch any of the circuitry on { Warning the transmitter. Static from your body could damage the Never allow children to play with transmitter. the RKE transmitter. The transmitter contains a small battery, which can be a choking hazard. If swallowed, internal Caution burns can occur, resulting in Always replace the battery with severe injury or death. Seek the correct type. Replacing the medical attention immediately if a battery with an incorrect type battery is swallowed. could potentially create a risk of battery explosion. Dispose of 2. Lift up the liner from the bottom used batteries according to of the center console storage { Warning instructions and local laws. Do area and set it aside, exposing not attempt to burn, crush, or cut the transmitter pocket. To avoid personal injury, do not the used battery, and avoid touch metal surfaces on the RKE exposing the battery to 3. Place the transmitter in the transmitter when it has been environments with extremely low transmitter pocket. exposed to extreme heat. These air pressures or high 4. With the vehicle in P (Park) or surfaces can be hot to the touch temperatures. N (Neutral), press the brake at temperatures above 59 °C pedal and ENGINE (138 °F). START/STOP. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 15 Replace the battery in the / : This button will be on the RKE transmitter soon if the DIC displays transmitter if the vehicle has remote REPLACE BATTERY IN start. REMOTE KEY. The climate control system will use To replace the battery: the previous settings during a remote start. The rear defog may come on during a remote start based on cold ambient conditions. The rear fog indicator light does not come on during a remote start. If the vehicle has heated or ventilated seats, they may come on 3. Lift the battery with a non-metal during a remote start. See Heated flat object. and Ventilated Front Seats 0 49. 4. Remove the battery. If equipped with a remote start 5. Insert the new battery, positive heated steering wheel, the heated side toward the back cover. wheel will turn on automatically in Replace with a CR2032 or remote start along with the heated 1. Press the button on the side of equivalent battery. seats when it is cold outside. See the RKE transmitter near the Heated Steering Wheel 0 107. bottom and pull the key out. 6. Push together the transmitter Never pull the key out without and reinsert the key. Laws in some local communities pressing the button. may restrict the use of remote Remote Vehicle Start starters. For example, some laws 2. Insert a flat, thin object in the may require a person using remote center of the transmitter to If equipped, this feature allows the start to have the vehicle in view. separate and remove the back engine to be started from outside of Check local regulations for any cover. the vehicle. requirements. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

16 Keys, Doors, and Windows Do not use remote start if the 3. With the RKE transmitter in the Canceling a Remote Start vehicle is low on fuel as it may run vehicle, press the brake pedal To cancel a remote start, do any of out of fuel. and start the vehicle to drive. the following: Other conditions can affect the Extending Engine Run Time / performance of the transmitter. See . Press and hold until the Remote Keyless Entry (RKE) The engine run time can also be parking lamps turn off. extended by another 15 minutes, System 0 8. . Turn on the hazard warning if during the first 15 minutes flashers. Starting the Engine Using Remote Steps 1 and 2 are repeated while Start the engine is still running. An . Turn the vehicle on and then off. extension can be requested Conditions in Which Remote Start 1. Press and release Q on the 30 seconds after starting. This Will Not Work RKE transmitter. provides a total of 30 minutes. The remote start will not operate if 2. Immediately press and hold / The remote start can only be any of the following occur: for at least four seconds or until extended once. the turn signal lamps flash. The . A transmitter is in the vehicle. turn signal lamps flashing When the remote start is extended, . The ignition is on. confirms the request to remote the second 15-minute period is start the vehicle has been added on to the first 15 minutes for . The hood is not closed. a total of 30 minutes. received. . The hazard warning flashers During the remote start the A maximum of two remote starts, are on. doors will be locked and the or a remote start with an extension, are allowed between ignition cycles. . There is an emission control parking lamps will remain on as system malfunction. long as the engine is running. The vehicle must be started and then turned off before the remote . The engine coolant temperature The engine will shut off after is too high. 15 minutes unless a time start procedure can be used again. extension is done or the . The oil pressure is low. vehicle is started. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 17 . Two remote vehicle starts or a To lock or unlock the door from the start with an extension have Warning (Continued) inside: already been used. . Young children who get into . Press Q or K on the power door . The vehicle is not in P (Park). unlocked vehicles may be lock switch. unable to get out. A child . Push down on the door lock can be overcome by Door Locks knob to lock a door. extreme heat and can suffer permanent injuries or even . Pull the door handle once to { Warning death from heat stroke. unlock the door. Pull the handle Unlocked doors can be Always lock the vehicle again to unlatch it. whenever leaving it. dangerous. Keyless Access . Passengers, especially . Outsiders can easily enter children, can easily open through an unlocked door the doors and fall out of a when you slow down or stop moving vehicle. The doors the vehicle. Locking the can be unlocked and doors can help prevent this opened while the vehicle is from happening. moving. The chance of being thrown out of the To lock or unlock the door from the vehicle in a crash is outside: increased if the doors are not locked. So, all . Press Q or K on the Remote passengers should wear Keyless Entry (RKE) transmitter. seat belts properly and the See Remote Keyless Entry 0 doors should be locked (RKE) System Operation 8. The RKE transmitter must be within whenever the vehicle is . Use the key in the driver door. 1 m (3 ft) of the liftgate or door driven. The key lock cylinder is covered being opened. Press the button on (Continued) with a cap. the door handle to open. See GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

18 Keys, Doors, and Windows “Keyless Access Operation” in 3. Move the cap (2) rearward and Remote Keyless Entry (RKE) remove. 0 System Operation 8. 4. Use the key in the cylinder. Driver Door Key Lock Cylinder To replace the cap: Access (In Case of Dead 1. Pull the door handle (1) to the Battery) open position and hold it open until cap installation is complete.

To access the driver door key lock cylinder: 1. Pull the door handle (1) to the 2. Insert the two tabs (6) at the open position and hold it open back of the cap between the until cap removal is complete. seal (5) and the metal base (4). 3. Slide the cap forward and 2. Insert the key into the slot (3) press the forward edge to on the bottom of the cap (2) install the cap in place. and lift the key upward. 4. Release the door handle. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 19 5. Check that the cap is secure. Power Door Locks When Q is pressed on the power Free-Turning Locks door lock switch while the door is open, a chime will sound three The door key lock cylinder turns times indicating delayed locking is freely when either the wrong key is active. used, or the correct key is not fully inserted. The free-turning door lock The doors will lock automatically feature prevents the lock from being five seconds after all doors are forced open. To reset the lock, turn closed. If a door is reopened before it to the vertical position with the that time, the five-second timer will correct key fully inserted. Remove reset when all doors are closed the key and insert it again. If this again. does not reset the lock, turn the key Press Q on the door lock switch halfway around in the cylinder and again or press Q on the RKE repeat the reset procedure. transmitter to lock the doors immediately. Q : Press to lock the doors. The indicator light in the switch will come This feature can also be on when the door is locked. programmed. See Vehicle Personalization 0 146. K : Press to unlock the doors. Automatic Door Locks Delayed Locking The vehicle is programmed so that This feature delays the locking of when the doors are closed, the the doors until five seconds after all ignition is on, and the vehicle is not doors are closed. in P (Park), the doors will lock. Delayed locking can only be turned If a vehicle door is unlocked and on when the Open Door Anti Lock then opened and closed, the doors Out has been turned off. will lock either when your foot is GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

20 Keys, Doors, and Windows removed from the brake or the has not reduced, the driver door will Manual Safety Locks vehicle speed becomes faster than unlock and the horn will chirp three 13 km/h (8 mph). times. To unlock the doors: Lockout Protection can be manually overridden with the driver door open . Press K on a door. by pressing and holding Q on the . Shift the transmission into power door lock switch. P (Park). Open Door Anti Lock Out Automatic door locking cannot be disabled. Automatic door unlocking If Open Door Anti Lock Out has can be programmed. See Vehicle been turned on and the vehicle is Personalization 0 146. off, the driver door is open, and locking is requested, all the doors Lockout Protection will lock and the driver door will remain unlocked. When this function If equipped, the safety lock is on the If the ignition is on or in ACC/ is turned on, the driver door will only inside edge of the rear doors. To ACCESSORY and the power door lock when it is closed. The Open use the safety lock: lock switch is pressed with the Door Anti Lock Out feature can be driver door open, all the doors will turned on or off. See Vehicle 1. Move the lever down to the lock and only the driver door will Personalization 0 146. lock position. unlock. 2. Close the door. If the vehicle is off and locking is Safety Locks 3. Do the same for the other requested while a door is open, The rear door safety locks prevent rear door. when all doors are closed the passengers from opening the rear vehicle will check for RKE doors from inside the vehicle. transmitters inside. If an RKE transmitter is detected and the number of RKE transmitters inside GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 21 To open a rear door when the safety Doors lock is on: Warning (Continued) 1. Unlock the door by activating Liftgate . Adjust the climate control the inside handle, by pressing system to a setting that the power door lock switch, brings in only outside air or by using the Remote { Warning and set the fan speed to the Keyless Entry (RKE) Exhaust gases can enter the highest setting. See transmitter. vehicle if it is driven with the “Climate Control Systems” 2. Open the door from the liftgate or trunk/hatch open, in the Index. outside. or with any objects that pass . If the vehicle is equipped When the safety lock is enabled, through the seal between the with a power liftgate, disable adults and older children will not be body and the trunk/hatch or the power liftgate function. able to open the rear door from the liftgate. Engine exhaust contains See Engine Exhaust 0 200. inside. Cancel the safety locks to carbon monoxide (CO) which enable the doors to open from the cannot be seen or smelled. It can inside. cause unconsciousness and even To cancel the safety lock: death. Caution 1. Unlock the door and open it If the vehicle must be driven with To avoid damage to the liftgate or from the outside. the liftgate or trunk/hatch open: liftgate glass, make sure the area 2. Move the lever up to unlock. . Close all of the windows. above and behind the liftgate is clear before opening it. Do the same for the other door. . Fully open the air outlets on or under the instrument panel. (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

22 Keys, Doors, and Windows Manual Liftgate If equipped with Keyless Access, the liftgate can be opened when Caution To unlock the liftgate, press K on locked if the RKE transmitter is the power door lock switch or press within 1 m (3 ft) of the touch pad. Driving with an open and K on the RKE transmitter twice See Remote Keyless Entry (RKE) unsecured liftgate may result in within five seconds. See Remote System Operation 0 8. damage to the power liftgate Keyless Entry (RKE) System components. The liftgate has an electric latch. Operation 0 8. If the battery is disconnected or has low voltage, the liftgate will not open. The liftgate will resume operation when the battery is reconnected and charged. Always close the liftgate before driving. Power Liftgate Operation

{ Warning You or others could be injured if caught in the path of the power To open the liftgate, press the touch liftgate. Make sure there is no one If equipped, the power liftgate pad on the bottom of the liftgate in the way of the liftgate as it is switch is on the driver door. The handle and lift up. opening and closing. vehicle must be in P (Park). The taillamps flash when the power Use the pull cup to lower and close liftgate moves. the liftgate. Do not press the touch pad while closing the liftgate. This The modes are: will cause the liftgate to be . MAX: Opens to maximum unlatched. height. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 23 . 3/4: Opens to a reduced height that can be set from 3/4 to fully Caution open. Use to prevent the liftgate from opening into overhead Manually forcing the liftgate to obstructions such as a garage open or close during a power door or roof-mounted cargo. The cycle can damage the vehicle. liftgate can be manually opened Allow the power cycle to all the way. complete. . OFF: Opens manually only. The power liftgate may be To power open or close the liftgate, temporarily disabled under extreme select MAX or 3/4 mode. low temperatures, or after repeated power cycling over a short period of . Press b twice quickly on the Press l on the bottom of the time. If this occurs, the liftgate can RKE transmitter until the liftgate liftgate next to the pull cup to close. moves. still be operated manually. Press any liftgate button, the touch 8 If the vehicle is shifted out of . Press on the driver door. pad, or b on the RKE transmitter The driver door must either be P (Park) while the power function is while the liftgate is moving to stop it. in progress, the liftgate will continue unlocked or locked without the Pressing any liftgate button security armed. to completion. If the vehicle is or pressing b twice quickly on the accelerated before the liftgate has . Press the touch pad on the RKE transmitter again restarts the completed moving, the liftgate may bottom of the liftgate after operation in the reverse direction. stop or reverse direction. Check for unlocking all doors. If equipped Pressing the touch pad on the Driver Information Center (DIC) with Keyless Access, a locked liftgate handle will restart the messages and make sure the vehicle can be opened if the motion, but only in the opening liftgate is closed and latched before RKE transmitter is within 1 m direction. driving. (3 ft) of the touch pad. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

24 Keys, Doors, and Windows Falling Liftgate Detection away from the obstacle. After Setting the 3/4 Mode removing the obstruction, the power If the power liftgate automatically To change the position the liftgate liftgate operation can be used again. closes after a power opening cycle, stops at when opening: it indicates that the system is If the liftgate encounters multiple 1. Select MAX or 3/4 mode and reacting to excess weight on the obstacles on the same power cycle, power open the liftgate. liftgate or a possible support strut the power function will deactivate. failure. A repetitive chime will sound After removing the obstructions, 2. Stop the liftgate movement at while the falling liftgate detection manually close the liftgate which will the desired height by pressing feature is operating. Remove any allow normal power operation any liftgate button. Manually excess weight. If the liftgate functions to resume. adjust the liftgate position if continues to automatically close If the vehicle is locked while the needed. after opening, see your dealer for liftgate is closing, and an obstacle is l service before using the power encountered that prevents the 3. Press and hold next to the liftgate. liftgate from completely closing, the pull cup on the outside of the liftgate until the turn signals Interfering with the power liftgate horn will sound as an alert that the liftgate did not close. flash and a beep sounds. This motion or manually closing the indicates the setting has been liftgate too quickly after power Pinch sensors are on the side recorded. opening may resemble a support edges of the liftgate. If an object is strut failure. This could also activate caught between the liftgate and the The liftgate cannot be set below a the falling liftgate detection feature. vehicle and presses against a minimum programmable height. Allow the liftgate to complete its sensor, the liftgate will reverse If there is no light flash or sound, operation and wait a few seconds direction and open fully. The liftgate then the height adjustment may be before manually closing the liftgate. will remain open until it is activated too low. again or closed manually. Obstacle Detection Features If the liftgate encounters an obstacle during a power open or close cycle, the liftgate will automatically reverse direction and move a short distance GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 25 Manual Operation Hands-Free Operation Select OFF to manually operate the If equipped, the liftgate may be liftgate. See “Manual Liftgate” at the operated with a kicking motion beginning of this section. under the left side of the rear bumper. Caution The RKE transmitter must be within 1 m (3 ft) of the rear bumper to Attempting to move the liftgate operate the power liftgate too quickly and with excessive hands-free. force may result in damage to the The hands-free feature will not work vehicle. while the liftgate is moving. To stop the liftgate while in motion use one Kick Zone Operate the liftgate manually with a of the liftgate buttons. smooth motion and moderate To operate, move your foot in a The hands-free feature can be forward kicking motion under the left speed. The system includes a customized. See Vehicle feature which limits the manual side of the rear bumper, at the Personalization 0 146. Choose from location of the projected logo, then closing speed to protect the the following: components. pull it back. Then step back. The On-Open and Close : The kicking kick must come within 14 cm (6 in) motion is activated to both open and of the rear bumper to activate. close the liftgate. On-Open Only : The kicking motion Caution is activated to only open the liftgate. Splashing water may cause the Off : The feature is disabled. liftgate to open. Keep the RKE transmitter away from the rear bumper detection area or turn the (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

26 Keys, Doors, and Windows When closing the liftgate using this Caution (Continued) feature, there will be a short delay. The taillamps will flash and a chime liftgate mode to OFF when will sound. Step away from the cleaning or working near the rear liftgate before it starts moving. bumper to avoid accidental opening. Projected Logo If equipped with this feature, a . Do not sweep your foot side vehicle logo will be projected for to side. one minute onto the ground near the rear bumper when an RKE . Do not keep your foot under the transmitter is detected within bumper; the liftgate will not approximately 2 m (6 ft). The activate. projected logo may not be visible 1. 1 m (3 ft) Hands-Free . Do not touch the liftgate until it under brighter daytime conditions. Operation Detection Zone has stopped moving. 2. 2 m (6 ft) Projected Logo Detection Zone . This feature may be temporarily disabled under some conditions. The projected logo shows where the If the liftgate does not respond to kicking motion is to take place. the kick, open or close the The projected logo will only be liftgate by another method or available for this RKE transmitter start the vehicle. The feature will after it has been out of range for at be re-enabled. least 20 seconds. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 27 If an RKE transmitter is again . The vehicle remains parked for Lens Cleaning detected within approximately 2 m 72 hours or more, with no RKE (6 ft) of the liftgate, or another transmitter use or Keyless hands-free operation has been Access operation. To re-enable, detected, the one-minute timer will press any button on the RKE be reset. transmitter or open and close a The projected logo will not work vehicle door. under these conditions: The projected logo will not work for . The vehicle battery is low. a single RKE transmitter when a transmitter: . The transmission is not in P (Park). . Has been left within approximately 5 m (15 ft) of the . Hands Free Liftgate Control is liftgate for several minutes. set to Off in vehicle personalization. See Vehicle . Has been left inside the vehicle Use a soft, damp cloth to clean the Personalization 0 146. and all vehicle doors are closed. recessed lens. . The power liftgate is turned off. . Has approached the area outside of the liftgate five times within 10 minutes. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

28 Keys, Doors, and Windows Hands-Free Liftgate and Projected Logo Availability Action Hands-Free Liftgate Projected Logo RKE transmitter entering projected Operative On for one minute logo detection zone RKE transmitter left inside projected Operative Off until RKE transmitter button press logo detection zone for minimum of or a door is opened and closed 10 minutes RKE transmitter brought in and out of Operative Off for one hour or until RKE projected logo detection zone five transmitter button press or a door is times or more within 10 minutes opened and closed Vehicle remains parked for more than Operative Off until RKE transmitter button press 72 hours or a door is opened and closed Vehicle battery is low Non-operative Off Transmission is not in P (Park) Non-operative Off Power liftgate is turned off Non-operative Off Hands-free liftgate is disabled in Non-operative Off vehicle personalization GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 29 Vehicle Security On Solid : Vehicle is secured bypass the 30-second delay during the delay to arm the system. and immediately arm the alarm This vehicle has theft-deterrent Fast Flash : Vehicle is unsecured. system. features; however, they do not make A door, the hood, or the liftgate The vehicle alarm system will not the vehicle impossible to steal. is open. arm if the doors are locked with Vehicle Alarm System Slow Flash : Alarm system is the key. armed. If the driver door is opened without This vehicle has an anti-theft alarm first unlocking with the RKE system. Arming the Alarm System transmitter, the horn will chirp and 1. Close the liftgate and the hood. the lights will flash to indicate Turn off the vehicle. pre-alarm. If the vehicle is not started, or the door is not unlocked 2. Lock the vehicle in one of K three ways: by pressing on the RKE transmitter during the 10-second . Use the RKE transmitter. pre-alarm, the alarm will be . Use the Keyless Access activated. system. The alarm will also be activated if a . With a door open, press the passenger door, the liftgate, or the inside Q. hood is opened without first disarming the system. When the 3. After 30 seconds the alarm alarm is activated, the turn signals system will arm, and the flash and the horn sounds for about The indicator light, on the indicator light will begin to 30 seconds. The alarm system will instrument panel near the slowly flash indicating the then re-arm to monitor for the next windshield, indicates the status of alarm system is operating. unauthorized event. the system. Pressing Q on the RKE Off : Alarm system is disarmed. transmitter a second time will GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

30 Keys, Doors, and Windows Disarming the Alarm System If the alarm system has been The security light, in the instrument activated, a message will appear on cluster, comes on if there is a To disarm the alarm system or turn the Driver Information Center (DIC). problem with arming or disarming off the alarm if it has been activated: the theft-deterrent system. . Press K on the RKE transmitter. Immobilizer The system has one or more RKE . Unlock the vehicle using the See Radio Frequency Statement transmitters matched to an Keyless Access system. 0 380. immobilizer control unit in your vehicle. Only a correctly matched . Start the vehicle. Immobilizer Operation RKE transmitter will start the To avoid setting off the alarm by vehicle. If the transmitter is ever accident: This vehicle has a passive damaged, you may not be able to theft-deterrent system. start your vehicle. . Lock the vehicle after all occupants have left the vehicle The system does not have to be When trying to start the vehicle, the and all doors are closed. manually armed or disarmed. security light may come on briefly when the ignition is turned on. . Always unlock a door with the The vehicle is automatically RKE transmitter or use the immobilized when the vehicle is If the engine does not start and the Keyless Access system. turned off. security light stays on, there is a problem with the system. Turn the Unlocking the driver door with the The immobilization system is ignition off and try again. key will not disarm the system or disarmed when the ignition is on or turn off the alarm. in ACC/ACCESSORY and a valid If the vehicle will not change ignition transmitter is present in the vehicle. modes (ACC/ACCESSORY, on, off), How to Detect a Tamper and the RKE transmitter appears to Condition be undamaged, try another If K is pressed and the horn chirps transmitter. Or, you may try placing the transmitter in the transmitter and the lights flash three times, the pocket located in the center alarm was activated while the alarm console. See Remote Keyless Entry system was armed. (RKE) System Operation 0 8. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 31 If the ignition mode will not change Exterior Mirrors Power Mirrors with the other transmitter or in the transmitter pocket, your vehicle needs service. If the ignition does Convex Mirrors change modes, the first transmitter may be faulty. See your dealer who { Warning can service the theft-deterrent system and have a new RKE A convex mirror can make things, transmitter programmed to the like other vehicles, look farther vehicle. away than they really are. If you It is possible for the immobilizer cut too sharply into the right lane, system to learn new or replacement you could hit a vehicle on the RKE transmitters. Up to eight right. Check the inside mirror or transmitters can be programmed for glance over your shoulder before the vehicle. To program additional changing lanes. To adjust a mirror: transmitters, see “Programming Transmitters to the Vehicle” under The passenger side mirror is convex 1. Press j or | to select the Remote Keyless Entry (RKE) driver or passenger side mirror. 0 shaped. A convex mirror's surface is System Operation 8. curved so more can be seen from The indicator light will Do not leave the transmitter or the driver seat. illuminate. device that disarms or deactivates 2. Press the arrows on the control the theft-deterrent system in the pad to move the mirror in the vehicle. desired direction. 3. Adjust each outside mirror so that a little of the vehicle and the area behind it can be seen. 4. Press j or | again to deselect the mirror. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

32 Keys, Doors, and Windows Memory Mirrors Power Folding Mirrors . Vibrate at normal driving speeds. The vehicle may have memory Fold and unfold the mirrors one time mirrors. See Memory Seats 0 46. using the mirror controls to reset them to their normal position. Side Blind Zone Alert (SBZA) A noise may be heard during the The vehicle may have SBZA. See resetting of the power folding Side Blind Zone Alert (SBZA) 0 238. mirrors. This sound is normal after a manual folding operation. Lane Change Alert (LCA) The outside mirrors may The vehicle may have LCA. Lane automatically unfold when the 0 Change Alert (LCA) 238. vehicle is driven above 20 km/h (12 mph), but may be folded with Folding Mirrors the power folding mirror switch. If the vehicle is driven above Manual Folding Mirrors If equipped, press g to power fold 40 km/h (25 mph), they may The mirrors can be folded inward the mirrors. Press again to unfold. automatically unfold and may not be toward the vehicle to prevent refolded with the power folding damage when going through an Resetting the Power Folding mirror switch. automatic car wash. Push the mirror Mirrors Remote Mirror Folding outward to return it to the original Reset the power folding mirrors if position. the mirrors: If equipped, press and hold Q on . Are accidentally obstructed while the RKE transmitter for folding. approximately one second to automatically fold the exterior . Are accidentally manually folded/ mirrors. Press and hold K on the unfolded. RKE transmitter for approximately . Do not stay in the unfolded one second to unfold. See Remote position. Keyless Entry (RKE) System Operation 0 8. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 33 This feature is turned on or off Automatic Dimming Interior Mirrors through vehicle personalization. See Vehicle Personalization 0 146. Mirror If the vehicle has the automatic Interior Rearview Mirrors Memory Mirrors dimming mirror, the driver outside Adjust the rearview mirror for a clear The vehicle may have memory mirror automatically adjusts for the view of the area behind the vehicle. mirrors. See Memory Seats 0 46. glare of headlamps behind you. Do not spray glass cleaner directly Lane Change Alert (LCA) Reverse Tilt Mirrors on the mirror. Use a soft towel The vehicle may have LCA. See dampened with water. Lane Change Alert (LCA) 0 238. If equipped with memory seats, the passenger and/or driver mirror tilts Manual Rearview Mirror Side Blind Zone Alert to a preselected position when the If equipped, push the tab forward for vehicle is in R (Reverse). This The vehicle may have Side Blind daytime use and pull it rearward for allows the curb to be seen when Zone Alert. See Side Blind Zone nighttime use to avoid glare of the 0 parallel parking. Alert (SBZA) 238. headlamps from behind. The mirror(s) return to the original Heated Mirrors position when: Automatic Dimming K : Press to heat the mirrors. . The vehicle is shifted out of Rearview Mirror R (Reverse), or remains in See “Rear Window Defogger” under R (Reverse) for about If equipped, automatic dimming Dual Automatic Climate Control 30 seconds. reduces the glare of headlamps System 0 165. from behind. The dimming feature . The ignition is turned off. comes on when the vehicle is . The vehicle is driven in started. R (Reverse) above a set speed. To turn this feature on or off, see Vehicle Personalization 0 146. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

34 Keys, Doors, and Windows Rear Camera Mirror The adjustment options are: If equipped, this automatic dimming mirror provides a wide angle camera view of the area behind the vehicle.

Press V to scroll through the adjustment options. . Brightness Press t and u to adjust the settings using the indicators on the mirror. The indicators will remain Pull the tab to turn on the display. visible for five seconds after the last Push the tab to turn it off. When off button activation, and the settings the mirror is automatic dimming. will remain saved. Adjust the mirror for a clear view of the area behind the vehicle while the display is off.

. Zoom GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 35 Troubleshooting { Warning The Rear Camera Mirror (RCM) has a limited view. Portions of the road, vehicles, and other objects may not be seen. Do not drive or park the vehicle using only this camera. Objects may appear closer than they are. Check the outside mirrors or glance over your shoulder when making lane changes or merging. Failure to . Tilt use proper care may result in injury, death, or vehicle damage. See your dealer for service if a blue screen and 3 are displayed in the mirror, and the display shuts off. Also, push the tab as indicated to return to the automatic dimming mode. The Rear Camera Mirror may not work properly or display a clear image if: . There is glare from the sun or headlamps. This may obstruct objects from view. If needed, push the tab to turn off the display. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

36 Keys, Doors, and Windows . Dirt, snow, or other debris blocks Windows The vehicle aerodynamics are the camera lens. Clean the lens designed to improve fuel economy with a soft damp cloth, or if performance. This may result in a equipped, with the Rear Camera { Warning pulsing sound when either rear Washer. See Rear Window window is down and the front Wiper/Washer 0 109. Never leave a child, a helpless windows are up. To reduce the adult, or a pet alone in a vehicle, sound, open either a front window especially with the windows or the sunroof, if equipped. closed in warm or hot weather. They can be overcome by the Power Windows extreme heat and suffer permanent injuries or even death from heat stroke. { Warning Children could be seriously injured or killed if caught in the path of a closing window. Never leave the Remote Keyless Entry (RKE) transmitter in a vehicle with children. When there are children . The camera’s mounting on the in the rear seat, use the window vehicle has been damaged, and/ lockout switch to prevent or the position or the mounting operation of the windows. See angle of the camera has Keys 0 7. changed. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 37 Window Lockout If equipped, pull the window switch up fully and quickly release to express close the window. Briefly press or pull the window switch in the same direction to stop that window’s express movement. Window Automatic Reversal System The express-close feature will reverse window movement if it comes in contact with an object. Power windows work when the Extreme cold or ice could cause the ignition is on, in ACC/ACCESSORY, window to auto-reverse. The or when Retained Accessory Power This feature stops the rear window will operate normally after (RAP) is active. See Retained passenger windows from working. the object or condition is removed. Accessory Power (RAP) 0 196. Press 2 to engage the rear Automatic Reversal System Using the window switch, press to window lockout feature. The Override open or pull to close the window. indicator light is on when engaged. The windows may be temporarily Press 2 again to disengage. { Warning disabled if they are used repeatedly within a short time. Window Express Movement If automatic reversal system override is active, the window will All windows can be opened without not reverse automatically. You or holding the window switch. Press others could be injured and the the switch down fully and quickly release to express open the window could be damaged. window. Before using automatic reversal (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

38 Keys, Doors, and Windows 4. Open the window and continue Roof Warning (Continued) to press the switch briefly after the window has fully opened. system override, make sure that Sunroof all people and obstructions are Remote Window Operation If equipped, the ignition must be on clear of the window path. If equipped, this feature allows all or in ACC/ACCESSORY, windows to be opened remotely. or Retained Accessory Power (RAP) When the engine is on, override the If enabled in vehicle personalization, must be active to operate the automatic reversal system by pulling press and hold K on the Remote sunroof. See Ignition Positions and holding the window switch if Keyless Entry (RKE) transmitter to 0 190 and conditions prevent it from closing. open all windows. See Vehicle Retained Accessory Power (RAP) Personalization 0 146. 0 196. Programming the Power Windows Sun Visors Programming may be necessary if the vehicle battery has been disconnected or discharged. If the window is unable to express-up, program each express-close window: 1. Close all doors. 2. Turn the ignition on or to ACC/ ACCESSORY. 3. Partially open the window to be Pull the sun visor down to block programmed. Then close it and glare. Detach the sun visor from the 1. Sunroof Switch (SLIDE) continue to pull the switch center mount to pivot to the side 2. Vent Switch (TILT) briefly after the window has window and, if equipped, extend fully closed. along the rod. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Keys, Doors, and Windows 39 Slide Switch The front sunshade can only be If an object is in the path while Express-Open/Express-Close : opened and closed manually. The express closing, the reversal system D sunshade can be opened by will detect an object, stop, and open Press and release (1) to pushing up on the handle, and the sunroof again. express-open the sunroof. The closed by pulling forward on the If frost or other conditions prevent sunshade will not open handle until it latches. Do not try to automatically. Press and release closing, override the feature by close the sunshade while the closing the sunroof in manual mode. g (1) to express-close the sunroof is fully opened or in the vent sunroof. To stop movement, release the position. switch. Open/Close (Manual Mode) : Fully If equipped, the rear sunshade can press D (1) to open the sunroof. only be opened or closed manually. The sunshade will not automatically To open, press the latch button (if open with the sunroof. Release to equipped) on the handle while stop at the desired position. Fully pushing up to unlatch it. The press g (1) to close the sunroof. sunshade will retract to the open Release to stop at the desired position. To close the sunshade, pull position. the handle forward until it latches. Tilt Switch The sunroof cannot be opened or closed if the vehicle has an Vent Feature : Press E (2) to vent electrical failure. Dirt and debris may collect on the the sunroof. Press again and hold to sunroof seal or in the track. This open the sunroof. Release to stop at Automatic Reversal System could cause an issue with sunroof operation or noise. It could also plug the desired position. The sunshade The sunroof has an automatic the water drainage system. will not open automatically. Press reversal system that is only active Periodically open the sunroof and when the sunroof is operated in g (2) to express-close the remove any obstacles or loose express-close mode. sunroof. Press again to stop the debris. Wipe the sunroof seal and movement. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

40 Keys, Doors, and Windows 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 Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 41 Seat Belt Care ...... 63 Replacing LATCH System Parts Seats and Replacing Seat Belt System After a Crash ...... 92 Restraints Parts after a Crash ...... 64 Securing Child Restraints (With the Seat Belt in the Airbag System Rear Seat) ...... 93 Airbag System ...... 64 Securing Child Restraints (With Head Restraints Where Are the Airbags? ...... 66 Head Restraints ...... 42 the Seat Belt in the When Should an Airbag Front Seat) ...... 95 Front Seats Inflate? ...... 68 Seat Adjustment ...... 43 What Makes an Airbag Power Seat Adjustment ...... 44 Inflate? ...... 69 Lumbar Adjustment ...... 45 How Does an Airbag Reclining Seatbacks ...... 45 Restrain? ...... 69 Memory Seats ...... 46 What Will You See after an Heated and Ventilated Front Airbag Inflates? ...... 70 Seats ...... 49 Passenger Sensing System . . . 71 Servicing the Airbag-Equipped Rear Seats Vehicle ...... 75 Rear Seats ...... 51 Adding Equipment to the Heated Rear Seats ...... 54 Airbag-Equipped Vehicle . . . . . 76 Third Row Seats ...... 55 Airbag System Check ...... 77 Replacing Airbag System Parts Seat Belts after a Crash ...... 77 Seat Belts ...... 56 How to Wear Seat Belts Child Restraints Properly ...... 57 Older Children ...... 77 Lap-Shoulder Belt ...... 59 Infants and Young Children . . . . 79 Seat Belt Use During Child Restraint Systems ...... 81 Pregnancy ...... 62 Where to Put the Restraint . . . . . 83 Seat Belt Extender ...... 63 Lower Anchors and Tethers for Safety System Check ...... 63 Children (LATCH System) . . . . 85 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

42 Seats and Restraints Head Restraints Front Seats

{ Warning With head restraints that are not installed and adjusted properly, there is a greater chance that occupants will suffer a neck/ spinal injury in a crash. Do not drive until the head restraints for all occupants are installed and Adjust the head restraint so that the To raise or lower the head restraint, adjusted properly. top of the restraint is at the same press the button located on the side height as the top of the occupant's of the head restraint, and pull up or head. This position reduces the push the head restraint down, and The vehicle's front seats have chance of a neck injury in a crash. release the button. Pull and push on adjustable head restraints in the the head restraint after the button is outboard seating positions. The height of the head restraint can be adjusted. released to make sure that it is locked in place. The front seat outboard head restraints are not removable. Rear Seats Second Row Seats The vehicle’s rear second row seats have adjustable head restraints in the outboard seating positions. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 43 The height of the head restraint can Third Row Seats Front Seats be adjusted. Pull the head restraint The vehicle’s rear third row seats up to raise it. Try to move the head have head restraints in the outboard Seat Adjustment restraint to make sure that it is seating positions that cannot be locked in place. adjusted up or down. { Warning The rear third row outboard head restraints are not removable. You can lose control of the The rear third row outboard head vehicle if you try to adjust a driver restraints are designed to be folded. seat while the vehicle is moving. Adjust the driver seat only when The head restraint can be folded to the vehicle is not moving. allow for better visibility when the rear seat is unoccupied. When folding the seatback down, the head restraint will automatically fold out of the way as the seat is folded down. To lower the head restraint, press Return the lowered head restraint to the button, located on the top of the the upright position until it locks into seatback, and push the head place. Push and pull on the head restraint down. Try to move the restraint to make sure it is locked. head restraint after the button is released to make sure that it is locked in place. The second row head restraints are not removable. To adjust a manual seat: 1. Lift the handle under the seat to unlock it. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

44 Seats and Restraints 2. Move the seat forward or Power Seat Adjustment . Raise or lower the front part of rearward to adjust the seat the seat cushion by moving the position. front of the control up or down. { Warning 3. Release the handle to stop the . Raise or lower the entire seat by seat from moving. The power seats will work with moving the rear of the control up 4. Try to move the seat back and the ignition off. Children could or down. forth to be sure it is locked in operate the power seats and be To adjust the seatback, see place. injured. Never leave children Reclining Seatbacks 0 45. alone in the vehicle. Seat Height Adjuster To adjust the lumbar support, see Lumbar Adjustment 0 45. Some vehicles are equipped with a feature that activates a vibration in the driver seat to help the driver avoid crashes. See Driver Assistance Systems 0 225.

If equipped, move the lever up or To adjust a power seat, if equipped: down to manually raise or lower the seat. . Move the seat forward or rearward by sliding the control forward or rearward. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 45 Lumbar Adjustment Warning (Continued)

The shoulder belt will not be against your body. Instead, it will be in front of you. In a crash, you could go into it, receiving neck or other injuries. The lap belt could go up over your abdomen. The belt forces would be there, not at your pelvic bones. This could cause serious internal injuries. Do not have a seatback reclined if For proper protection when the the vehicle is moving. Press and hold the control forward vehicle is in motion, have the Manual Reclining Seatbacks to increase or rearward to decrease seatback upright. Then sit well support. back in the seat and wear the seat belt properly. { Warning Reclining Seatbacks If either seatback is not locked, it could move forward in a sudden { Warning stop or crash. That could cause injury to the person sitting there. Sitting in a reclined position when Always push and pull on the the vehicle is in motion can be seatbacks to be sure they are dangerous. Even when buckled locked. up, the seat belts cannot do their job. (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

46 Seats and Restraints 2. Push and pull on the seatback Memory Seats to make sure it is locked. Power Reclining Seatbacks

To recline the seatback: 1. Lift the lever. If equipped, memory seats allow two 2. Move the seatback to the drivers to save and recall their desired position, and then unique seat positions for driving the release the lever to lock the . Tilt the top of the control vehicle, and a shared exit position seatback in place. rearward to recline. for getting out of the vehicle. Other . Tilt the top of the control forward 3. Push and pull on the seatback feature positions may also be to raise. to make sure it is locked. saved, such as power mirrors and To return the seatback to the upright power steering wheel, if equipped. position: Memory positions are linked to RKE transmitter 1 or 2 for automatic 1. Lift the lever fully without memory recalls. applying pressure to the seatback, and the seatback will Before saving, adjust all available return to the upright position. memory feature positions. Turn the vehicle on and then press and release SET; a beep will sound. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 47 Then immediately press and hold 1, Vehicle Personalization Settings 2. Start the vehicle with another 2, or B (Exit) until two beeps . To have the Seat Entry Memory key or RKE transmitter. The sound. To manually recall these movement begin when the DIC should display the driver positions, press and hold 1, 2, or B vehicle is started, select the number for the other RKE until the saved position is reached. Settings menu, then Vehicle, transmitter. Turn the vehicle off Follow the instructions under then Seating Position, and then and remove the key or RKE transmitter from the vehicle. “Saving Memory Positions.” Seat Entry Memory. Select On or The vehicle identifies the current Off. See “Seat Entry Memory” 3. Start the vehicle with the initial later in this section. key or RKE transmitter. The driver’s RKE transmitter number DIC should display the driver (1–8). See Remote Keyless Entry . To begin Seat Exit Memory (RKE) System Operation 0 8. Only movement when the vehicle is number of your RKE RKE transmitters 1 and 2 can be turned off and the driver door is transmitter. used for automatic memory recalls. opened, or when the vehicle is Saving Memory Positions A Driver Information Center (DIC) turned off with the driver door welcome message indicating the already opened, select the Read these instructions completely transmitter number may display for Settings menu, then Vehicle, before saving memory positions. the first few ignition cycles following then Seating Position, and then To save preferred driving positions a transmitter change. For Seat Entry Seat Exit Memory. Select On or 1 and 2: Memory to work properly, save the Off. See “Seat Exit Memory” 1. Turn the vehicle on or to ACC/ positions to the memory button (1 or later in this section. ACCESSORY. 2) matching the RKE transmitter . See Vehicle Personalization number displayed in the DIC A DIC welcome message may 0 146 for additional setting welcome message. Carry the linked indicate driver number 1 or 2. information. RKE transmitter when entering the 2. Adjust all available memory vehicle. Identifying Driver Number features to the desired driving To identify the driver number: position. 1. Move your RKE transmitter 3. Press and release SET; a beep away from the vehicle. will sound. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

48 Seats and Restraints 4. Immediately press and hold the Manually Recalling Memory when the vehicle is turned on, 1 or 2 memory button matching Positions or turned from off to ACC/ the above DIC welcome B ACCESSORY. RKE transmitters 3–8 message until two beeps Press and hold 1, 2, or to recall will not provide automatic memory sound. the previously saved memory recalls. positions if you are driver 1 or 2 If too much time passes identified in the DIC welcome To turn Seat Entry Memory on or off, between releasing SET and message. see “Vehicle Personalization pressing 1, the memory Settings” previously in this section position will not be saved and To stop Manual Memory recall and Vehicle Personalization 0 146. two beeps will not sound. movement, release 1, 2, or B or press any of the following controls: The transmission must be in Repeat Steps 3 and 4. P (Park) to start Seat Entry Memory. 1 or 2 corresponds to the driver . Power seat Seat Entry Memory recall will number. See “Identifying Driver . Memory SET complete if the vehicle is shifted out Number” previously in this of P (Park) prior to reaching the section. . Power mirror, with the driver or saved memory position. passenger side mirror selected 5. Repeat Steps 1–4 for a second To stop Seat Entry Memory recall driver using 1 or 2. . Power steering wheel, movement, turn the vehicle off or if equipped press any of the following controls: To save the position for B and Seat Exit Memory features, repeat Seat Entry Memory . Power seat Steps 1–4 using B. This saves the The vehicle identifies the number of . Memory SET, 1, 2, or B position for getting out of the the current driver’s RKE transmitter vehicle. (1–8). See Remote Keyless Entry . Power mirror, with the driver or (RKE) System Operation 0 8. If the passenger side mirror selected Save preferred memory feature RKE transmitter is 1 or 2, and Seat positions to both 1 and 2 if you are . Power steering wheel, Entry Memory is enabled in vehicle if equipped the only driver. personalization, the positions saved to the same memory button number If the saved memory seat position 1 or 2 are automatically recalled does not automatically recall or recalls to the wrong positions, the GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 49 driver’s RKE transmitter number To stop Seat Exit Memory Heated and Ventilated (1 or 2) may not match the memory movement, press any of the button number that positions were following memory controls: Front Seats saved to. Try storing the position to . Power seat the other memory button or try the { Warning other RKE transmitter. . Memory SET, 1, 2, or B If temperature change or pain to Seat Exit Memory . Power mirror, with the driver or the skin cannot be felt, the seat passenger side mirror selected Seat Exit Memory is not linked to an heater may cause burns. To RKE transmitter. The position saved . Power steering wheel, reduce the risk of burns, use care to B is used for all drivers. To turn if equipped when using the seat heater, Seat Exit Memory on or off, see Obstructions especially for long periods of "Vehicle Personalization Settings" time. Do not place anything on previously in this section and If something has blocked the driver the seat that insulates against Vehicle Personalization 0 146. seat and/or power steering wheel heat, such as a blanket, cushion, while recalling a memory position, cover, or similar item. This may If turned on, the position saved to the recall may stop. Remove the cause the seat heater to B is automatically recalled when obstruction and try the recall again. overheat. An overheated seat one of the following occurs: If the memory position still does not recall, see your dealer. heater may cause a burn or may . The vehicle is turned off and the damage the seat. driver door is opened within a short time. . The vehicle is turned off with the driver door open. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

50 Seats and Restraints Press C or {, if available, to automatically activate the heated or ventilate the driver or passenger ventilated seats at the level required seat. A ventilated seat has a fan by the vehicle's interior temperature. that pulls or pushes air through the The active high, medium, low, or off seat. The air is not cooled. heated or ventilated seat level will When a heated seat is turned on, be indicated by the manual heated the indicator on button turns red. and ventilated seat buttons on the When a ventilated seat is turned on, center stack. Use the manual the indicator on button turns blue. heated and ventilated seat buttons on the center stack to turn auto Press the button once for the heated or ventilated seats off. If the highest setting. With each press of passenger seat is unoccupied, the Heated and Ventilated Seat the button, the seat will change to auto heated or ventilated seats the next lower setting, and then to Buttons Shown, Heated Seat feature will not activate that seat. the off setting. The indicator lights Buttons Similar The auto heated and ventilated next to the buttons indicate three for seats feature can be programmed to If equipped, the buttons are near the the highest setting and one for the always be enabled when the vehicle climate controls on the center stack. lowest. If the front heated seats are is on. If equipped with a heated To operate, the engine must be on high, the level may automatically steering wheel, the auto heated running. be lowered after approximately steering wheel activation will follow 30 minutes. Press I or +, if available, to heat the heated seat auto activation and the driver or passenger The passenger seat may take the heated wheel indicator will seatback only. longer to heat up. follow the state of the steering wheel heat. Press J or z to heat the driver or Auto Heated and Ventilated Seats See Vehicle Personalization 0 146. passenger cushion and seatback. If the vehicle is equipped with auto heated or ventilated seats, and the engine is running, this feature will GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 51 Remote Start Heated and Rear Seats the vehicle through the rear door Ventilated Seats and left the vehicle without the During a remote start, the heated or Rear Seat Reminder vehicle being shut off. ventilated seats, if equipped, can be If equipped, the message REAR The feature can be turned on or off. turned on automatically. When it is SEAT REMINDER LOOK IN REAR See Vehicle Personalization 0 146. cold outside, the heated seats will SEAT displays under certain Rear Seat Adjustment turn on followed by the heated conditions indicating there may be steering wheel, if equipped. When it an item or passenger in the rear The second row seats slide forward is hot outside, the ventilated seats seat. Check before exiting the for more room. turn on. The heated or ventilated vehicle. seats are canceled when the ignition is turned on. Press the This feature will activate when a heated or ventilated seat button to second row door is opened while use the heated or ventilated seats the vehicle is on or up to 10 minutes after the vehicle is started. before the vehicle is turned on. There will be an alert when the The heated or ventilated seat vehicle is turned off. The alert does indicator lights do not turn on during not directly detect objects in the rear a remote start. seat; instead, under certain The temperature performance of an conditions, it detects when a rear unoccupied seat may be reduced. door is opened and closed, This is normal. indicating that there may be something in the rear seat. The remote start heated or ventilated seats may be enabled or The feature is active only once each To adjust the seat position: disabled in the vehicle time the vehicle is turned on and off, 1. Remove objects on the floor in personalization menu. See Remote and will require reactivation by front of or on the second row Vehicle Start 0 15 and opening and closing the second row seat, or in the seat tracks on Vehicle Personalization 0 146. doors. There may be an alert even the floor. when there is nothing in the rear seat; for example, if a child entered GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

52 Seats and Restraints 2. Lift the lever below the seat To access the third row from the cushion and slide the seat { Warning driver side: forward or backward. If the seatback and floor latches 1. Remove objects on the floor in 3. Push and pull on the seatback are not locked, the seat could front of or on the second row to ensure the seat is locked in move forward in a sudden stop or seat, or in the seat tracks on place. crash and injure the occupant. the floor. Entering and Exiting the Always push and pull on the 2. Make sure that the seat belt is Third Row seatbacks to be sure the unfastened and in the stowed seatback and floor latches are position. locked. { Warning Using the third row seating position while the second row is Caution folded, or folded and tumbled, could cause injury in a sudden Folding a rear seat with the seat stop or crash. Be sure to return belts still fastened may cause the seat to the passenger seating damage to the seat or the seat position. Push and pull on the belts. Always unbuckle the seat seat to make sure it is locked into belts and return them to their place. normal stowed position before folding a rear seat. 3. Pull the handle on top of the seat forward and pull the seat forward. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 53 To access the third row from the Returning the Seat to the Reclining the Seatbacks passenger side: Seating Position To recline the seatbacks: Remove objects on the floor in front To return the second row seat to its of the second row seat, or in the normal seating position: seat tracks on the floor. 1. Remove objects on the floor The second row passenger side behind the second row seat or seat can be easily moved for third in the seat tracks on the floor. row entry or exit with a forward-facing child restraint 2. Push on the seatback until the installed using the LATCH system. seat is locked into place. Remove a rear-facing child restraint 3. Push and pull on the seatback before moving the seat for third row and seat cushion to make sure entry or exit. they are locked in place. 4. Check that the seat belt is not { Warning under the seat cushion. 1. Leaning rearward in the seat, Remove the child from the child pull the reclining seatback restraint before moving the seat handle. forward for third row entry or exit. 2. Move the seatback to the Failure to do so may result in desired position, and then injury to the child. release the handle to lock the seatback in place. Pull the handle on top of the seat 3. Push and pull on the seatback forward and pull the seat forward. to make sure it is locked. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

54 Seats and Restraints Folding the Seatbacks seatback to make sure it is locked. Heated Rear Seats Push on the head restraint to return it to the upright, locked position. { Warning If temperature change or pain to the skin cannot be felt, the seat heater may cause burns. See the Warning under Heated and Ventilated Front Seats 0 49.

To fold the second row seatbacks: 1. Remove anything on or under The second row seatbacks can also the seat. be folded forward by pulling the 2. Fold the head restraint levers on the driver side of the rear rearward. See Head Restraints cargo area. The top lever folds the 0 42. driver side seatback and the bottom 3. Pull forward on the reclining lever folds the passenger side seatback handle. seatback. To return the seatback to the If equipped, the buttons are on the seating position, lift the seatback rear of the center console. and push it rearward until it locks With the engine running, press M or into place. Push and pull on the L to heat the left or right outboard seat cushion. On vehicles with rear GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 55 climate controls, an indicator on the 3. Remove anything on or under climate control display appears Warning (Continued) the seat. when this feature is on. passenger seating position. Push Press the button again to turn this and pull on the seat to make sure feature off. The light on the button it is locked into place. will turn off. On vehicles with rear climate controls, this feature turns on at the highest setting. With each Folding the Seatback press of the button, the heated seat changes to the next lower setting, Caution and then the off setting. Three lights indicate the highest setting, and one Folding a rear seat with the seat light indicates the lowest. If the belts still fastened may cause heated seats are on high, the level damage to the seat or the seat may automatically be lowered after belts. Always unbuckle the seat approximately 30 minutes. belts and return them to their 4. Pull the strap on the seatback. normal stowed position before 5. Push the seatback forward to Third Row Seats folding a rear seat. lay flat. 6. Repeat for the other seatback, { Warning To fold the third row seatback: if necessary. Using the third row seating 1. Remove objects on the floor in Returning the Seat to the position while the second row is front of or on the second row Seating Position folded, or pushed forward in the seat, or in the seat tracks on entry position, could cause injury the floor. To return the seatback to the seating position: in a sudden stop or crash. Be 2. If the second row seat is in the sure to return the seat to the full rear position, adjust it 1. From the rear of the vehicle, (Continued) forward to allow the third row raise the seatback to the seat to fold fully flat. upright position using the strap GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

56 Seats and Restraints on the back of the third row Seat Belts seat, or lift the seatback and { Warning push it into place from inside This section describes how to use the vehicle. A seat belt that is improperly seat belts properly, and some things routed, not properly attached, not to do. or twisted will not provide the { Warning protection needed in a crash. The { Warning If either seatback is not locked, it person wearing the belt could be could move forward in a sudden seriously injured. After raising the Do not let anyone ride where a stop or crash. That could cause rear seatback, always check to be seat belt cannot be worn properly. injury to the person sitting there. sure that the seat belts are In a crash, if you or your Always push and pull on the properly routed and attached, and passenger(s) are not wearing seatbacks to be sure they are are not twisted. seat belts, injuries can be much locked. worse than if you are wearing seat belts. You can be seriously injured or killed by hitting things 2. Push and pull on the seatback to make sure it is locked in inside the vehicle harder or by place. being ejected from the vehicle. In 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 are more likely to be seriously injured or killed. Do not allow (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 57 When riding in a vehicle, you travel Q: If my vehicle has airbags, why Warning (Continued) as fast as the vehicle does. If the should I have to wear seat vehicle stops suddenly, you keep belts? passengers to ride in any area of going until something stops you. the vehicle that is not equipped A: Airbags are supplemental It could be the windshield, the systems only. They work with with seats and seat belts. instrument panel, or the seat belts! seat belts — not instead of them. Always wear a seat belt, and When you wear a seat belt, you and Whether or not an airbag is check that all passenger(s) are the vehicle slow down together. provided, all occupants still have restrained properly too. There is more time to stop because to buckle up to get the most you stop over a longer distance and, protection. when worn properly, your strongest This vehicle has indicators as a Also, in nearly all states and in bones take the forces from the seat reminder to buckle the seat belts. all Canadian provinces, the law belts. That is why wearing seat belts See Seat Belt Reminders 0 125. requires wearing seat belts. makes such good sense. Why Seat Belts Work Questions and Answers About How to Wear Seat Belts Seat Belts Properly Q: Will I be trapped in the vehicle Follow these rules for everyone's after a crash if I am wearing a protection. seat belt? There are additional things to know A: You could be — whether you are about seat belts and children, wearing a seat belt or not. Your including smaller children and chance of being conscious infants. If a child will be riding in the during and after a crash, so you vehicle, see Older Children 0 77 or can unbuckle and get out, is Infants and Young Children 0 79. much greater if you are belted. Review and follow the rules for children in addition to the following rules. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

58 Seats and Restraints It is very important for all occupants . Wear the lap part of the belt low to buckle up. Statistics show that and snug on the hips, just unbelted people are hurt more often touching the thighs. In a crash, in crashes than those who are this applies force to the strong wearing seat belts. pelvic bones and you would be There are important things to know less likely to slide under the lap about wearing a seat belt properly. belt. If you slid under it, the belt would apply force on your abdomen. This could cause serious or even fatal injuries. . Wear the shoulder belt over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces. The shoulder belt locks if there is a sudden stop or crash.

{ Warning You can be seriously injured, . Sit up straight and always keep or even killed, by not wearing your feet on the floor in front of your seat belt properly. you (if possible). . Always use the correct buckle for your seating position. Never allow the lap or shoulder belt to become loose or twisted. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 59

{ Warning The seat belt can be pinched if it is routed under plastic trim on the seat, such as trim around the rear seatback folding handle or side airbag. In a crash, pinched seat belts might not be able to provide adequate protection. Never allow seat belts to be routed under plastic trim pieces. Always use the correct buckle for your seating position. Lap-Shoulder Belt All seating positions in the vehicle have a lap-shoulder belt. The following instructions explain how to wear a lap-shoulder belt properly. 1. Adjust the seat, if the seat is adjustable, so you can sit up straight. To see how, see “Seats” in the Index. Never wear the shoulder belt under both arms or behind your back. Never route the lap or shoulder belt over an armrest. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

60 Seats and Restraints feature stays engaged after If the webbing locks in the latch letting the belt go back to plate before it reaches the stowed position on the seat, buckle, tilt the latch plate flat to move the seat rearward or unlock. recline the seat until the shoulder belt retractor lock releases. Engaging the child restraint locking feature in the front outboard seating position may affect the passenger sensing system. See Passenger 0 2. Pick up the latch plate and pull Sensing System 71. the belt across you. Do not let it get twisted. The lap-shoulder belt may lock if you pull the belt across you very quickly. If this happens, let 3. Push the latch plate into the the belt go back slightly to buckle until it clicks. unlock it. Then pull the belt Pull up on the latch plate to across you more slowly. make sure it is secure. If the belt is not long enough, see If the shoulder portion of a 0 passenger belt is pulled out all Seat Belt Extender 63. the way, the child restraint Position the release button on locking feature may be the buckle so that the seat belt engaged. See Child Restraint could be quickly unbuckled if Systems 0 81. If this occurs, let necessary. the belt go back all the way and start again. If the locking GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 61 4. If equipped with a shoulder belt Shoulder Belt Height Adjuster height adjuster, move it to the The vehicle has a shoulder belt height that is right for you. See height adjuster for the driver and Shoulder Belt Height Adjuster “ ” front outboard passenger seating later in this section for positions. instructions on use and important safety information. Adjust the height so that the shoulder portion of the belt is on the shoulder and not falling off of it. The belt should be close to, but not contacting, the neck. Improper shoulder belt height adjustment could reduce the effectiveness of To unlatch the belt, push the button the seat belt in a crash. See How to on the buckle. The belt should Wear Seat Belts Properly 0 57. return to its stowed position. Always stow the seat belt slowly. If the seat belt webbing returns quickly to the stowed position, the retractor may lock and cannot be pulled out. If this happens, pull the 5. To make the lap part tight, pull seat belt straight out firmly to unlock up on the shoulder belt. the webbing, and then release it. If the webbing is still locked in the retractor, see your dealer. Before a door is closed, be sure the seat belt is out of the way. If a door is slammed against a seat belt, damage can occur to both the seat belt and the vehicle. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

62 Seats and Restraints Press and hold the release button system will need to be replaced. Third Row Seating Positions while raising or lowering the height See Replacing Seat Belt System 0 Comfort guides are available adjuster to the desired position. Parts after a Crash 64. through your dealer for the third row After the height adjuster is set to the Do not sit on the outboard seat belt seating positions. Instructions are desired position, try to move it down while entering or exiting the vehicle included with the guides. without pressing the release button or at any time while sitting in the to make sure it has locked into seat. Sitting on the seat belt can Seat Belt Use During position. damage the webbing and hardware. Pregnancy Seat Belt Pretensioners Rear Seat Belt Comfort Guides Seat belts work for everyone, This vehicle has seat belt Rear seat belt comfort guides may including pregnant women. Like all pretensioners for the front outboard provide added seat belt comfort for occupants, they are more likely to occupants. Although the seat belt older children who have outgrown be seriously injured if they do not pretensioners cannot be seen, they booster seats and for some adults. wear seat belts. are part of the seat belt assembly. When installed on a shoulder belt, They can help tighten the seat belts the comfort guide positions the during the early stages of a shoulder belt away from the neck moderate to severe frontal, near and head. frontal, or rear crash if the threshold conditions for pretensioner Second Row Outboard Seating activation are met. Seat belt Positions pretensioners can also help tighten The vehicle may have comfort the seat belts in a side crash or a guides for the second row outboard rollover event. seating positions available in the Pretensioners work only once. If the glove box or cargo area, or they are pretensioners activate in a crash, available through your dealer. the pretensioners and probably Instructions are included with the guides. other parts of the vehicle’s seat belt GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 63 A pregnant woman should wear a of seat belt extenders see the Keep seat belts clean and dry. See lap-shoulder belt, and the lap instruction sheet that comes with Seat Belt Care 0 63. portion should be worn as low as the extender. possible, below the rounding, Seat Belt Care throughout the pregnancy. Safety System Check Keep belts clean and dry. The best way to protect the fetus is Periodically check the seat belt to protect the mother. When a seat Seat belts should be properly cared reminder, seat belts, buckles, latch for and maintained. belt is worn properly, it is more likely plates, retractors, shoulder belt that the fetus will not be hurt in a height adjusters (if equipped), and Seat belt hardware should be kept crash. For pregnant women, as for seat belt anchorages to make sure dry and free of dust or debris. As anyone, the key to making seat they are all in working order. Look necessary, exterior hard surfaces belts effective is wearing them for any other loose or damaged seat and seat belt webbing may be lightly properly. belt system parts that might keep a cleaned with mild soap and water. seat belt system from performing Ensure there is not excessive dust Seat Belt Extender properly. See your dealer to have it or debris in the mechanism. If dust repaired. Torn, frayed, or twisted or debris exists in the system please If the vehicle's seat belt will fasten see the dealer. Parts may need to around you, you should use it. seat belts may not protect you in a crash. Torn or frayed seat belts can be replaced to ensure proper But if a seat belt is not long enough, rip apart under impact forces. If a functionality of the system. your dealer will order you an belt is torn or frayed, have it extender. When you go in to order it, replaced immediately. If a belt is { Warning take the heaviest coat you will wear, twisted, it may be possible to so the extender will be long enough untwist by reversing the latch plate Do not bleach or dye seat belt for you. To help avoid personal on the webbing. If the twist cannot webbing. It may severely weaken injury, do not let someone else use be corrected, ask your dealer to the webbing. In a crash, they it, and use it only for the seat it is fix it. might not be able to provide made to fit. The extender has been adequate protection. Clean and designed for adults. Never use it for Make sure the seat belt reminder light is working. See Seat Belt (Continued) securing child restraints. For more 0 information on the proper use and fit Reminders 125. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

64 Seats and Restraints After a minor crash, replacement of Airbag System Warning (Continued) seat belts may not be necessary. But the seat belt assemblies that The vehicle has the following rinse seat belt webbing only with were used during any crash may airbags: mild soap and lukewarm water. have been stressed or damaged. . A frontal airbag for the driver Allow the webbing to dry. See your dealer to have the seat belt assemblies inspected or . A frontal airbag for the front outboard passenger Replacing Seat Belt replaced. System Parts after a New parts and repairs may be . A knee airbag for the driver necessary even if the seat belt . A front center airbag for the Crash system was not being used at the driver and front outboard time of the crash. passenger { Warning Have the seat belt pretensioners . A seat-mounted side impact checked if the vehicle has been in a airbag for the driver A crash can damage the seat belt crash, or if the airbag readiness light system in the vehicle. A damaged stays on after you start the vehicle . A seat-mounted side impact seat belt system may not properly or while you are driving. See Airbag airbag for the front outboard protect the person using it, Readiness Light 0 126. passenger resulting in serious injury or even . A roof-rail airbag for the driver death in a crash. To help make and for the second and third row sure the seat belt systems are passengers seated directly working properly after a crash, behind the driver have them inspected and any . A roof-rail airbag for the front necessary replacements made as outboard passenger and the soon as possible. second and third row passengers seated directly behind the front outboard passenger GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 65 All vehicle airbags have the word Here are the most important things AIRBAG on the trim or on a label to know about the airbag system: { Warning near the deployment opening. Because airbags inflate with great For frontal airbags, the word { Warning force and faster than the blink of AIRBAG is on the center of the an eye, anyone who is up steering wheel for the driver and on You can be severely injured or killed in a crash if you are not against, or very close to any the instrument panel for the front airbag when it inflates can be outboard passenger. wearing your seat belt, even with airbags. Airbags are designed to seriously injured or killed. Do not For knee airbags, the word AIRBAG work with seat belts, not replace sit unnecessarily close to any is on the lower part of the airbag, as you would be if sitting instrument panel. them. Also, airbags are not designed to inflate in every crash. on the edge of the seat or leaning For the front center airbag, the word In some crashes seat belts are forward. Seat belts help keep you AIRBAG is on the inboard side of the only restraint. See When in position before and during a the driver seatback. Should an Airbag Inflate? 0 68. crash. Always wear a seat belt, even with airbags. The driver For seat-mounted side impact Wearing your seat belt during a airbags, the word AIRBAG is on the should sit as far back as possible crash helps reduce your chance side of the seatback or side of the while still maintaining control of seat closest to the door. of hitting things inside the vehicle the vehicle. The seat belts and or being ejected from it. Airbags the front outboard passenger For roof-rail airbags, the word are “supplemental restraints” to airbags are most effective when AIRBAG is on the ceiling or trim. the seat belts. Everyone in the you are sitting well back and Airbags are designed to supplement vehicle should wear a seat belt upright in the seat with both feet the protection provided by seat properly, whether or not there is on the floor. belts. Even though today's airbags an airbag for that person. are also designed to help reduce (Continued) the risk of injury from the force of an inflating bag, all airbags must inflate very quickly to do their job. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

66 Seats and Restraints The driver frontal airbag is in the Warning (Continued) center of the steering wheel. Occupants should not lean on or The front outboard passenger sleep against the front center frontal airbag is in the passenger armrest or console in vehicles side instrument panel. with a front center airbag. There is an airbag readiness light Occupants should not lean on or on the instrument cluster, which sleep against the door or side shows the airbag symbol. windows in seating positions with The system checks the airbag seat-mounted side impact airbags electrical system for malfunctions. and/or roof-rail airbags. The light tells you if there is an electrical problem. See Airbag Readiness Light 0 126. { Warning Where Are the Airbags? Children who are up against, or very close to, any airbag when it inflates can be seriously injured The driver knee airbag is below the or killed. Always secure children steering column. properly in the vehicle. To read how, see Older Children 0 77 or Infants and Young Children 0 79. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 67

The front center airbag is in the Driver Side Shown, Passenger Driver Side Shown, Passenger inboard side of the driver seatback. Side Similar Side Similar The seat-mounted side impact The roof-rail airbags for the driver, airbags for the driver and front front outboard passenger, and outboard passenger are in the sides second and third row outboard of the seatbacks closest to the door. passengers are in the ceiling above the side windows.

{ Warning If something is between an occupant and an airbag, the airbag might not inflate properly or it might force the object into that person causing severe injury (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

68 Seats and Restraints When Should an Airbag It depends on what is hit, the Warning (Continued) direction of the impact, and how Inflate? quickly the vehicle slows down. or even death. The path of an This vehicle is equipped with Frontal airbags may inflate at inflating airbag must be kept airbags. See Airbag System 0 64. clear. Do not put anything different crash speeds depending on Airbags are designed to inflate if the whether the vehicle hits an object between an occupant and an impact exceeds the specific airbag airbag, and do not attach or put straight on or at an angle, and system's deployment threshold. whether the object is fixed or anything on the steering wheel Deployment thresholds are used to moving, rigid or deformable, narrow hub or on or near any other predict how severe a crash is likely or wide. airbag covering. to be in time for the airbags to inflate and help restrain the Frontal airbags are not intended to Do not use seat or console occupants. The vehicle has inflate during vehicle rollovers, in accessories that block the electronic sensors that help the rear impacts, or in many side inflation path of a seat-mounted airbag system determine the impacts. side impact airbag or the front severity of the impact. Deployment In addition, the vehicle has center airbag. thresholds can vary with specific advanced technology frontal Never secure anything to the roof vehicle design. airbags. Advanced technology of a vehicle with roof-rail airbags Frontal airbags are designed to frontal airbags adjust the restraint by routing a rope or tie-down inflate in moderate to severe frontal according to crash severity. through any door or window or near frontal crashes to help Knee airbags are designed to inflate opening. If you do, the path of an reduce the potential for severe in moderate to severe frontal or inflating roof-rail airbag will be injuries, mainly to the driver's or near frontal impacts. Knee airbags blocked. front outboard passenger's head are not designed to inflate during and chest. vehicle rollovers, in rear impacts, Whether the frontal airbags will or or in many side impacts. should inflate is not based primarily The front center airbag is designed on how fast the vehicle is traveling. to inflate in moderate to severe side crashes depending upon the GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 69 location of the impact, when either roof-rail airbags are designed to How Does an Airbag side of the vehicle is struck. In inflate during a rollover or in a addition, the front center airbag is severe frontal impact. Roof-rail Restrain? designed to inflate when the airbags are not designed to inflate in In moderate to severe frontal or sensing system predicts that the rear impacts. Both roof-rail airbags near frontal collisions, even belted vehicle is about to roll over on its will inflate when either side of the occupants can contact the steering side or in some moderate to severe vehicle is struck, if the sensing wheel or the instrument panel. In frontal or near-frontal impacts. The system predicts that the vehicle is moderate to severe side collisions, front center airbag is not designed about to roll over on its side, or in a even belted occupants can contact to inflate in rear impacts. severe frontal impact. the inside of the vehicle. Seat-mounted side impact airbags In any particular crash, no one can Airbags supplement the protection are designed to inflate in moderate say whether an airbag should have provided by seat belts by to severe side crashes, depending inflated simply because of the distributing the force of the impact on the location of the impact. These vehicle damage or repair costs. more evenly over the airbags are also designed to inflate occupant's body. in some moderate to severe frontal What Makes an Airbag Rollover capable roof-rail airbags or near-frontal impacts that could are designed to help contain the result in the occupant moving Inflate? head and chest of occupants in the toward the side of the vehicle. In a deployment event, the sensing outboard seating positions in the Seat-mounted side impact airbags system sends an electrical signal first, second, and third rows. The are not designed to inflate in triggering a release of gas from the rollover capable roof-rail airbags are rollovers, or rear impacts. inflator. Gas from the inflator fills the designed to help reduce the risk of A seat-mounted side impact airbag airbag causing the bag to break out full or partial ejection in rollover is designed to inflate on the side of of the cover. The inflator, the airbag, events, although no system can the vehicle that is struck. and related hardware are all part of prevent all such ejections. Roof-rail airbags are designed to the airbag module. inflate in moderate to severe side For airbag locations, see Where Are crashes depending on the location the Airbags? 0 66. of the impact. In addition, these GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

70 Seats and Restraints But airbags would not help in many from the vents in the deflated warning flashers, and shut off the types of collisions, primarily airbags. Airbag inflation does not fuel system after the airbags inflate. because the occupant's motion is prevent the driver from seeing out of The feature may also activate, not toward those airbags. See When the windshield or being able to steer without airbag inflation, after an Should an Airbag Inflate? 0 68. the vehicle, nor does it prevent event that exceeds a predetermined Airbags should never be regarded people from leaving the vehicle. threshold. After turning the ignition as anything more than a supplement off and then on again, the fuel to seat belts. system will return to normal { Warning operation; the doors can be locked, What Will You See after When an airbag inflates, there the interior lamps can be turned off, may be dust in the air. This dust and the hazard warning flashers can an Airbag Inflates? could cause breathing problems be turned off using the controls for After frontal, knee, and for people with a history of those features. If any of these seat-mounted side impact airbags asthma or other breathing trouble. systems are damaged in the crash inflate, they quickly deflate, so To avoid this, everyone in the they may not operate as normal. quickly that some people may not vehicle should get out as soon as even realize the airbags inflated. it is safe to do so. If you have { Warning The front center airbag and roof-rail breathing problems but cannot A crash severe enough to inflate airbags may still be at least partially get out of the vehicle after an the airbags may have also inflated for some time after they airbag inflates, then get fresh air damaged important functions in inflate. Some components of the by opening a window or a door. the vehicle, such as the fuel airbag module may be hot for If you experience breathing several minutes. For location of the system, brake and steering problems following an airbag airbags, see Where Are the systems, etc. Even if the vehicle deployment, you should seek Airbags? 0 66. appears to be drivable after a medical attention. The parts of the airbag that come moderate crash, there may be into contact with you may be warm, (Continued) but not too hot to touch. There may The vehicle has a feature that may be some smoke and dust coming automatically unlock the doors, turn on the interior lamps and hazard GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 71 . The vehicle has a crash sensing Warning (Continued) and diagnostic module which records information after a concealed damage that could crash. See Vehicle Data make it difficult to safely operate Recording and Privacy 0 381 the vehicle. and 0 Use caution if you should attempt Event Data Recorders 382. United States and Canada to restart the engine after a crash . Let only qualified technicians has occurred. work on the airbag systems. Improper service can mean that an airbag system will not work In many crashes severe enough to properly. See your dealer for inflate the airbag, windshields are service. broken by vehicle deformation. Additional windshield breakage may Mexico also occur from the front outboard Passenger Sensing passenger airbag. System The words ON and OFF, or the symbols for on and off, will be . Airbags are designed to inflate The vehicle has a passenger visible during the system check. only once. After an airbag sensing system for the front inflates, you will need some new When the system check is outboard passenger position. The complete, either the word ON or parts for the airbag system. passenger airbag status indicator If you do not get them, the OFF, or the symbol for on or off, will will light on the overhead console be visible. See Passenger Airbag airbag system will not be there when the vehicle is started. 0 to help protect you in another Status Indicator 126. crash. A new system will include The passenger sensing system airbag modules and possibly turns off the front outboard other parts. The service manual passenger frontal airbag under for the vehicle covers the need certain conditions. No other airbag to replace other parts. is affected by the passenger sensing system. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

72 Seats and Restraints The passenger sensing system works with sensors that are part of Warning (Continued) Warning (Continued) the front outboard passenger seat and seat belt. The sensors are airbag inflates. This is because secure child restraints in the rear designed to detect the presence of the back of the rear-facing child seat. Consider using another a properly seated occupant and restraint would be very close to vehicle to transport the child determine if the front outboard the inflating airbag. A child in a when a rear seat is not available. passenger frontal airbag should be forward-facing child restraint can allowed to inflate or not. be seriously injured or killed if the The passenger sensing system is According to accident statistics, passenger frontal airbag inflates designed to turn off the front children are safer when properly and the passenger seat is in a outboard passenger frontal airbag if: forward position. secured in a rear seat in the correct . The front outboard passenger child restraint for their weight Even if the passenger sensing seat is unoccupied. and size. system has turned off the . The system determines an infant passenger frontal airbag, no Whenever possible, children aged is present in a child restraint. 12 and under should be secured in system is fail-safe. No one can a rear seating position. guarantee that an airbag will not . A front outboard passenger deploy under some unusual takes his/her weight off of the Never put a rear-facing child seat in seat for a period of time. the front. This is because the risk to circumstance, even though the the rear-facing child is so great, airbag is turned off. . There is a critical problem with the airbag system or the if the airbag inflates. Never put a rear-facing child passenger sensing system. restraint in the front seat, even if { Warning the airbag is off. If securing a When the passenger sensing forward-facing child restraint in system has turned off the front A child in a rear-facing child the front outboard passenger outboard passenger frontal airbag, restraint can be seriously injured seat, always move the seat as far the OFF indicator will light and stay or killed if the passenger frontal back as it will go. It is better to lit as a reminder that the airbag is (Continued) off. See Passenger Airbag Status (Continued) Indicator 0 126. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 73 The passenger sensing system is 3. Remove any additional items designed to turn on the front { Warning from the seat such as blankets, outboard passenger frontal airbag cushions, seat covers, seat anytime the system senses that a If the airbag readiness light ever heaters, or seat massagers. person of adult size is sitting comes on and stays on, it means that something may be wrong 4. Reinstall the child restraint properly in the front outboard following the directions passenger seat. with the airbag system. To help avoid injury to yourself or others, provided by the child restraint When the passenger sensing manufacturer and refer to have the vehicle serviced right system has allowed the airbag to be Securing Child Restraints (With away. See Airbag Readiness enabled, the ON indicator will light 0 the Seat Belt in the Rear Seat) and stay lit as a reminder that the Light 126 for more information, 0 93 or airbag is active. including important safety Securing Child Restraints (With information. the Seat Belt in the Front Seat) For some children, including 0 children in child restraints, and for 95. very small adults, the passenger If the On Indicator Is Lit for a Make sure the seat belt sensing system may or may not turn Child Restraint retractor is locked by pulling off the front outboard passenger the shoulder belt all the way The passenger sensing system is frontal airbag, depending upon the out of the retractor when designed to turn off the front person's seating posture and body installing the child restraint, outboard passenger frontal airbag if build. Everyone in the vehicle who even if the child restraint is the system determines that an infant has outgrown child restraints should equipped with a seat belt lock is present in a child restraint. If a wear a seat belt properly whether off. When the retractor lock is — child restraint has been installed or not there is an airbag for that set, the belt can be tightened and the ON indicator is lit: person. but not pulled out of the 1. Turn the vehicle off. retractor. 2. Remove the child restraint from 5. If, after reinstalling the child the vehicle. restraint and restarting the vehicle, the ON indicator is still lit, turn the vehicle off. Then GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

74 Seats and Restraints slightly recline the vehicle If the Off Indicator Is Lit for an 2. Remove any additional material seatback and adjust the seat Adult-Sized Occupant from the seat, such as cushion, if adjustable, to make blankets, cushions, seat sure that the vehicle seatback covers, seat heaters, or seat is not pushing the child massagers. restraint into the seat cushion. 3. Place the seatback in the fully Also make sure the child upright position. restraint is not trapped under 4. Have the person sit upright in the vehicle head restraint. the seat, centered on the seat If this happens, adjust the head cushion, with legs comfortably restraint. See Head Restraints extended. 0 42. 5. If the shoulder portion of the 6. Restart the vehicle. belt is pulled out all the way, The passenger sensing system may the child restraint locking or may not turn off the airbag for a feature will be engaged. This child in a child restraint depending If a person of adult size is sitting in may unintentionally cause the upon the child’s size. It is better to the front outboard passenger seat, passenger sensing system to secure the child restraint in a rear but the OFF indicator is lit, it could turn the airbag off for some seat. Never put a rear-facing child be because that person is not sitting adult-sized occupants. If this restraint in the front seat, even if the properly in the seat or that the child happens, unbuckle the belt, let ON indicator is not lit. restraint locking feature is engaged. the belt go back all the way, Use the following steps to allow the and then buckle the belt again system to detect that person and without pulling the belt out all enable the front outboard passenger the way. frontal airbag: 6. Restart the vehicle and have 1. Turn the vehicle off. the person remain in this position for two to three minutes after the ON indicator is lit. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 75 A thick layer of additional material, { Warning such as a blanket or cushion, Warning (Continued) or aftermarket equipment such as If the front outboard passenger seat covers, seat heaters, and seat seatback may interfere with the airbag is turned off for an massagers can affect how well the proper operation of the passenger adult-sized occupant, the airbag passenger sensing system sensing system. will not be able to inflate and help operates. We recommend that you protect that person in a crash, not use seat covers or other resulting in an increased risk of aftermarket equipment except when Servicing the serious injury or even death. An approved by GM for your specific Airbag-Equipped Vehicle adult-sized occupant should not vehicle. See Adding Equipment to 0 Airbags affect how the vehicle ride in the front outboard the Airbag-Equipped Vehicle 76 should be serviced. There are parts passenger seat, if the passenger for more information about of the airbag system in several airbag OFF indicator is lit. modifications that can affect how places around the vehicle. Your the system operates. dealer and the service manual have Additional Factors Affecting The ON indicator may be lit if an information about servicing the vehicle and the airbag system. To System Operation object, such as a briefcase, handbag, grocery bag, laptop, purchase a service manual, see Seat belts help keep the passenger or other electronic device, is put on Publication Ordering Information in position on the seat during an unoccupied seat. If this is not 0 379. vehicle maneuvers and braking, desired, remove the object from which helps the passenger sensing the seat. { Warning system maintain the passenger airbag status. See Seat Belts and “ ” { Warning For up to 10 seconds after the “Child Restraints” in the Index for vehicle is turned off and the additional information about the Stowing articles under the battery is disconnected, an airbag importance of proper restraint use. passenger seat or between the can still inflate during improper passenger seat cushion and service. You can be injured if you (Continued) (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

76 Seats and Restraints . Front seats, including stitching, of the seat fabric, could also Warning (Continued) seams or zippers interfere with the operation of the . Seat belts passenger sensing system. This are close to an airbag when it could either prevent proper inflates. Avoid yellow connectors. . Steering wheel, instrument deployment of the passenger They are probably part of the panel, overhead console, ceiling airbag(s) or prevent the passenger airbag system. Be sure to follow trim, or pillar garnish trim sensing system from properly proper service procedures, and . Inner door seals, including turning off the passenger airbag(s). make sure the person performing speakers See Passenger Sensing System work for you is qualified to do so. 0 71. Your dealer and the service manual have information about the location If the vehicle has rollover roof-rail of the airbag modules and sensors, airbags, see Different Size Tires Adding Equipment to the 0 Airbag-Equipped Vehicle sensing and diagnostic module, and and Wheels 315 for additional airbag wiring along with the proper important information. Adding accessories that change the replacement procedures. If the vehicle must be modified vehicle's frame, bumper system, In addition, the vehicle has a because you have a disability and height, front end, or side sheet passenger sensing system for the you have questions about whether metal may keep the airbag system front outboard passenger position, the modifications will affect the from working properly. which includes sensors that are part vehicle's airbag system, or if you The operation of the airbag system of the passenger's seat. The have questions about whether the can also be affected by changing, passenger sensing system may not airbag system will be affected if the including improperly repairing or operate properly if the original seat vehicle is modified for any other replacing, any parts of the following: trim is replaced with non-GM reason, call Customer Assistance. covers, upholstery, or trim, or with See Customer Assistance Offices . Airbag system, including airbag 0 372. modules, front or side impact GM covers, upholstery, or trim sensors, sensing and diagnostic designed for a different vehicle. Any module, airbag wiring, or front object, such as an aftermarket seat center console heater or a comfort enhancing pad or device, installed under or on top GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 77 Airbag System Check Replacing Airbag System Child Restraints The airbag system does not need Parts after a Crash regularly scheduled maintenance or Older Children replacement. Make sure the airbag { Warning readiness light is working. See Airbag Readiness Light 0 126. A crash can damage the airbag systems in the vehicle. Caution A damaged airbag system may not properly protect you and your If an airbag covering is damaged, passenger(s) in a crash, resulting opened, or broken, the airbag in serious injury or even death. To may not work properly. Do not help make sure the airbag open or break the airbag systems are working properly coverings. If there are any after a crash, have them opened or broken airbag inspected and any necessary coverings, have the airbag replacements made as soon as covering and/or airbag module possible. Older children who have outgrown replaced. For the location of the booster seats should wear the airbags, see Where Are the If an airbag inflates, you will need to vehicle’s seat belts. Airbags? 0 66. See your dealer replace airbag system parts. See The manufacturer instructions that for service. your dealer for service. come with the booster seat state the If the airbag readiness light stays on weight and height limitations for that after the vehicle is started or comes booster. Use a booster seat with a on when you are driving, the airbag lap-shoulder belt until the child system may not work properly. Have passes the fit test below: the vehicle serviced right away. See Airbag Readiness Light 0 126. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

78 Seats and Restraints . Sit all the way back on the seat. Q: What is the proper way to Do the knees bend at the seat wear seat belts? { Warning edge? If yes, continue. If no, A: An older child should wear a return to the booster seat. Never allow more than one child lap-shoulder belt and get the to wear the same seat belt. The . Buckle the lap-shoulder belt. additional restraint a shoulder seat belt cannot properly spread Does the shoulder belt rest on belt can provide. The shoulder the impact forces. In a crash, they the shoulder? If yes, continue. belt should not cross the face or can be crushed together and If no, try using the rear seat belt neck. The lap belt should fit seriously injured. A seat belt must comfort guide, if available. See snugly below the hips, just be used by only one person at “Rear Seat Belt Comfort Guides” touching the top of the thighs. under Lap-Shoulder Belt 0 59. This applies belt force to the a time. If a comfort guide is not child's pelvic bones in a crash. available, or if the shoulder belt It should never be worn over the still does not rest on the abdomen, which could cause shoulder, then return to the severe or even fatal internal booster seat. injuries in a crash. . Does the lap belt fit low and Also see “Rear Seat Belt Comfort snug on the hips, touching the Guides” under Lap-Shoulder Belt thighs? If yes, continue. If no, 0 59. return to the booster seat. According to accident statistics, . Can proper seat belt fit be children are safer when properly maintained for the length of the restrained in a rear seating position. trip? If yes, continue. If no, In a crash, children who are not return to the booster seat. buckled up can strike other people who are buckled up, or can be thrown out of the vehicle. Older children need to use seat belts properly. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 79

{ Warning { Warning Never allow a child to wear the Children can be seriously injured seat belt with the shoulder belt or strangled if a shoulder belt is behind their back. A child can be wrapped around their neck. The seriously injured by not wearing shoulder belt can tighten but the lap-shoulder belt properly. In a cannot be loosened if it is locked. crash, the child would not be The shoulder belt locks when it is restrained by the shoulder belt. pulled all the way out of the The child could move too far retractor. It unlocks when the forward increasing the chance of shoulder belt is allowed to go all head and neck injury. The child the way back into the retractor, might also slide under the lap Infants and Young but it cannot do this if it is belt. The belt force would then be Children wrapped around a child’s neck. applied right on the abdomen. If the shoulder belt is locked and Everyone in a vehicle needs That could cause serious or fatal tightened around a child’s neck, protection! This includes infants and injuries. The shoulder belt should the only way to loosen the belt is all other children. Neither the go over the shoulder and across to cut it. distance traveled nor the age and the chest. size of the traveler changes the Never leave children unattended need, for everyone, to use safety in a vehicle and never allow restraints. In fact, the law in every children to play with the seat state in the United States and in belts. every Canadian province says children up to some age must be restrained while in a vehicle. Every time infants and young children ride in vehicles, they should have the protection provided by GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

80 Seats and Restraints appropriate child restraints. Neither the vehicle’s seat belt system nor its Warning (Continued) airbag system is designed for them. front passenger seat, always Children who are not restrained move the front passenger seat as properly can strike other people, far back as it will go. or can be thrown out of the vehicle. If a child restraint is installed in the second row center seat, move { Warning the second row seat to the Never hold an infant or a child rearward position, whenever while riding in a vehicle. Due to possible, to minimize contact with crash forces, an infant or a child the front center airbag. will become so heavy it is not possible to hold it during a crash. { Warning For example, in a crash at only Children who are up against, 40 km/h (25 mph), a 5.5 kg (12 lb) or very close to, any airbag when infant will suddenly become a it inflates can be seriously injured 110 kg (240 lb) force on a person's or killed. Never put a rear-facing arms. An infant or child should be child restraint in the front secured in an appropriate child passenger seat. Secure a restraint. rear-facing child restraint in a rear seat. It is also better to secure a forward-facing child restraint in a rear seat. If a forward-facing child restraint must be secured in the (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 81 Child restraints are devices used to restraint. In addition, there are many restrain, seat, or position children in kinds of child restraints available for Warning (Continued) the vehicle and are sometimes children with special needs. called child seats or car seats. the risk of serious or fatal injuries during a crash, young children There are three basic types of { Warning should always be secured in an child restraints: To reduce the risk of neck and appropriate child restraint. . Forward-facing child restraints head injury in a crash, infants and . Rear-facing child restraints toddlers should be secured in a Child Restraint Systems rear-facing child restraint until age . Belt-positioning booster seats two, or until they reach the The proper child restraint for your maximum height and weight limits child depends on their size, weight, of their child restraint. and age, and also on whether the child restraint is compatible with the vehicle in which it will be used. For each type of child restraint, { Warning there are many different models A young child's hip bones are still available. When purchasing a child so small that the vehicle seat belt restraint, be sure it is designed to be used in a motor vehicle. If it is, the may not remain low on the hip child restraint will have a label bones, as it should. Instead, it saying that it meets federal motor may settle up around the child's Rear-Facing Infant Restraint abdomen. In a crash, the belt vehicle safety standards. A rear-facing child restraint provides would apply force on a body area restraint with the seating surface The instruction manual that is that is unprotected by any bony provided with the child restraint against the back of the infant. structure. This alone could cause states the weight and height serious or fatal injuries. To reduce limitations for that particular child (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

82 Seats and Restraints The harness system holds the infant Securing an Add-On Child in place and, in a crash, acts to Restraint in the Vehicle keep the infant positioned in the restraint. { Warning A child can be seriously injured or killed in a crash if the child restraint is not properly secured in the vehicle. Secure the child restraint properly in the vehicle using the vehicle seat belt or LATCH system, following the Booster Seats instructions that came with that A belt-positioning booster seat is child restraint and the instructions used for children who have in this manual. outgrown their forward-facing child Forward-Facing Child Restraint restraint. Boosters are designed to To help reduce the chance of injury, improve the fit of the vehicle's seat A forward-facing child restraint the child restraint must be secured belt system until the child is large provides restraint for the child's in the vehicle. Child restraints must enough for the vehicle seat belts to body with the harness. be secured in vehicle seats by lap fit properly without a booster seat. belts or the lap belt portion of a See the seat belt fit test in Older lap-shoulder belt, or by the LATCH Children 0 77. system. See Lower Anchors and Tethers for Children (LATCH System) 0 85 for more information. Children can be endangered in a crash if the child restraint is not properly secured in the vehicle. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 83 When securing an add-on child the U.S., refer to the National Where to Put the restraint, refer to the following: Highway Traffic Safety Restraint 1. Instruction labels provided on Administration (NHTSA) website to the child restraint locate the nearest child safety seat According to accident statistics, inspection station. For CPST children and infants are safer when 2. Instruction manual provided availability in Canada, check with properly restrained in an appropriate with the child restraint Transport Canada or the Provincial child restraint secured in a rear 3. This vehicle owner's manual Ministry of Transportation office. seating position. The child restraint instructions are Securing the Child Within the Whenever possible, children aged important, so if they are not Child Restraint 12 and under should be secured in available, obtain a replacement a rear seating position. copy from the manufacturer. { Warning The vehicle is equipped with a front Keep in mind that an unsecured center airbag in the inboard side of child restraint can move around in a A child can be seriously injured or the driver seat. Even with a front collision or sudden stop and injure killed in a crash if the child is not center airbag, a child restraint can people in the vehicle. Be sure to properly secured in the child be installed in any second row properly secure any child restraint in restraint. Secure the child seating position. the vehicle — even when no child is properly following the instructions Never put a rear-facing child in it. that came with that child restraint. restraint in the front. This is because In some areas Certified Child the risk to the rear-facing child is so Passenger Safety Technicians great if the airbag deploys. (CPSTs) are available to inspect and demonstrate how to correctly use and install child restraints. In GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

84 Seats and Restraints When securing a child restraint with { Warning Warning (Continued) the seat belts in a rear seat position, study the instructions that came with A child in a rear-facing child Secure rear-facing child restraints the child restraint to make sure it is restraint can be seriously injured in a rear seat, even if the airbag compatible with this vehicle. or killed if the front passenger is off. If you secure a Child restraints and booster seats airbag inflates. This is because forward-facing child restraint in the back of the rear-facing child vary considerably in size, and some the front seat, always move the may fit in certain seating positions restraint would be very close to front passenger seat as far back better than others. the inflating airbag. A child in a as it will go. It is better to secure Depending on where you place the forward-facing child restraint can the child restraint in a rear seat. be seriously injured or killed if the child restraint and the size of the front passenger airbag inflates See Passenger Sensing System child restraint, you may not be able and the passenger seat is in a 0 71 for additional information. to access adjacent seat belts or forward position. LATCH anchors for additional If a child restraint is installed in a passengers or child restraints. Even if the passenger sensing second row center seat, move the Adjacent seating positions should system has turned off the front second row seat to the rearward not be used if the child restraint passenger frontal airbag, no position, whenever possible, to prevents access to or interferes with system is fail-safe. No one can minimize contact with the front the routing of the seat belt. center airbag. guarantee that an airbag will not Wherever a child restraint is deploy under some unusual installed, be sure to follow the circumstance, even though it is instructions that came with the child turned off. restraint and secure the child (Continued) restraint properly. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 85 Keep in mind that an unsecured rear-facing and forward-facing child When installing a child restraint with child restraint can move around in a seats can be properly installed a top tether, you must also use collision or sudden stop and injure using either the LATCH anchors or either the lower anchors or the seat people in the vehicle. Be sure to the vehicle’s seat belts. Do not use belts to properly secure the child properly secure any child restraint in both the seat belts and the LATCH restraint. A child restraint must the vehicle — even when no child is anchorage system to secure a never be installed using only the top in it. rear-facing or forward-facing tether. child seat. For a forward-facing 5-pt harness Lower Anchors and Booster seats use the vehicle’s seat child restraint where the combined Tethers for Children belts to secure the child and the weight of the child and restraint are (LATCH System) booster seat. If the manufacturer up to 29.5 kg (65 lb), use either the recommends that the booster seat lower LATCH anchorages with the The LATCH system secures a child be secured with the LATCH system, top tether anchorage, or the seat restraint during driving or in a crash. this can be done as long as the belt with the top tether anchorage. LATCH attachments on the child booster seat can be positioned Where the combined weight of the restraint are used to attach the child properly and there is no interference child and restraint are greater than restraint to the anchors in the with the proper positioning of the 29.5 kg (65 lb), use the seat belt with vehicle. The LATCH system is lap-shoulder belt on the child. the top tether anchorage only. designed to make installation of a Make sure to follow the instructions child restraint easier. that came with the child restraint, In order to use the LATCH system in and also the instructions in this your vehicle, you need a child manual. restraint that has LATCH attachments. LATCH-compatible GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

86 Seats and Restraints Recommended Methods for Attaching Child Restraints Restraint Type Combined Use Only Approved Attachment Methods Shown with an X Weight of the LATCH Lower Seat Belt Only LATCH Lower Seat Belt and Child + Child – – Anchors Only Anchors and Top Top Tether Restraint Tether Anchor Anchor Rear-Facing Up to XX Child Restraint 29.5 kg (65 lb) Rear-Facing Greater than X Child Restraint 29.5 kg (65 lb) Forward-Facing Up to XX Child Restraint 29.5 kg (65 lb) Forward-Facing Greater than X Child Restraint 29.5 kg (65 lb)

See Securing Child Restraints (With The following explains how to attach the child restraint. See Securing the Seat Belt in the Rear Seat) 0 93 a child restraint with these Child Restraints (With the Seat Belt or attachments in the vehicle. in the Rear Seat) 0 93 or Securing Child Restraints (With the Securing Child Restraints (With the 0 Not all vehicle seating positions 0 Seat Belt in the Front Seat) 95. have lower anchors. In this case, Seat Belt in the Front Seat) 95. Child restraints built after March the seat belt must be used (with top 2014 will be labeled with the tether where available) to secure specific child weight up to which the LATCH system can be used to install the restraint. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 87 Lower Anchors Top Tether 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 attached. Be sure to read and follow the instructions for your child restraint. Lower Anchor and Top Tether Anchor Locations

Lower anchors (1) are metal bars A top tether (3, 4) is used to secure built into the vehicle. There are two the top of the child restraint to the lower anchors for each LATCH vehicle. A top tether anchor is built seating position that will into the vehicle. The top tether accommodate a child restraint with attachment hook (2) on the child lower attachments (2). restraint connects to the top tether anchor in the vehicle in order to reduce the forward movement and rotation of the child restraint during driving or in a crash. The child restraint may have a single tether (3) or a dual tether (4). Second Row — Bucket Either will have a single attachment hook (2) to secure the top tether to I : Seating positions with top the anchor. tether anchors. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

88 Seats and Restraints H : Seating positions with two lower anchors.

To assist in locating the top tether anchors, the top tether anchor symbol is near the anchor.

Third Row I : Seating positions with top Second Row — 60/40 Bench tether anchors. I : Seating positions with top tether anchors. H : Seating positions with two lower anchors.

Second Row — Bucket Shown, To assist in locating the lower Bench Similar anchors, each second row anchor The top tether anchors are at the position has a label, near the crease bottom rear of the seatback for each between the seatback and the seat seating position in the second row. cushion. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 89 Be sure to use an anchor located the instructions that come with the directly behind the seating position child restraint say that the top tether { Warning where the child restraint will be must be attached. placed. To reduce the risk of serious or According to accident statistics, fatal injuries during a crash, do children and infants are safer when not attach more than one child properly restrained in a child restraint to a single anchor. restraint system or infant restraint Attaching more than one child system secured in a rear seating restraint to a single anchor could position. See Where to Put the Restraint 0 83 for additional cause the anchor or attachment information. to come loose or even break during a crash. A child or others Securing a Child Restraint could be injured. Designed for the LATCH System { Warning Third Row { Warning Children can be seriously injured The top tether anchors are on the A child could be seriously injured or strangled if a shoulder belt is rear of the seatback for each or killed in a crash if the child seating position in the third row. wrapped around their neck. The restraint is not properly attached shoulder belt can tighten but Be sure to use an anchor located to the vehicle using either the cannot be loosened if it is locked. directly behind the seating position LATCH anchors or the vehicle The shoulder belt locks when it is where the child restraint will be seat belt. Follow the instructions pulled all the way out of the placed. that came with the child restraint retractor. It unlocks when the Do not secure a child restraint in a and the instructions in this shoulder belt is allowed to go all position without a top tether anchor manual. the way back into the retractor, if a national or local law requires that the top tether be attached, or if (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

90 Seats and Restraints does not have lower Warning (Continued) Caution (Continued) attachments or the desired seating position does not have but it cannot do this if it is Do not fold the rear seatback lower anchors, secure the child wrapped around a child’s neck. when the seat is occupied. Do not restraint with the top tether and If the shoulder belt is locked and fold the empty rear seat with a the seat belt. Refer to the child tightened around a child’s neck, seat belt buckled. This could restraint manufacturer the only way to loosen the belt is damage the seat belt or the seat. instructions and the to cut it. Unbuckle and return the seat belt instructions in this manual. Buckle any unused seat belts to its stowed position, before 1.1. Find the lower anchors behind the child restraint so folding the seat. for the desired seating children cannot reach them. Pull position. the shoulder belt all the way out The vehicle is equipped with a front 1.2. To access the lower of the retractor to set the lock, center airbag in the inboard side of anchors in the second and tighten the belt behind the the driver seat. Even with a front row, it may help to recline child restraint after the child center airbag, a child restraint can the seatback. restraint has been installed. be installed in any second row seating position. If a child restraint is Third row seatbacks must installed in a second row center be upright before placing seat, move the second row seat to the child restraint on Caution the rearward position, whenever the seat. possible, to minimize contact with 1.3. Put the child restraint on Do not let the LATCH the front center airbag. the seat. attachments rub against the If you need to secure more than one 1.4. Attach and tighten the vehicle s seat belts. This may ’ child restraint in the rear seat, see lower attachments on the damage these parts. If necessary, Where to Put the Restraint 0 83. child restraint to the lower move buckled seat belts to avoid anchors. rubbing the LATCH attachments. 1. Attach and tighten the lower attachments to the lower (Continued) anchors. If the child restraint GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 91 If necessary, adjust the and you are using a dual angle of the second row tether, route the tether seatback to achieve a over the seatback. tight installation. Make sure the second row bench seatbacks are aligned at the same angle. 2. If the child restraint manufacturer recommends that If the position you are the top tether be attached, using does not have a attach and tighten the top headrest or head restraint tether to the top tether anchor, and you are using a if the vehicle has one. Refer to single tether, route the If the position you are the child restraint instructions tether over the seatback. using has an adjustable and the following steps: headrest or head restraint and you are using a dual 2.1. Find the top tether tether, raise the headrest anchor. or head restraint and 2.2. Route, attach, and tighten route the tether under the the top tether according headrest or head restraint to your child restraint and around the headrest instructions and the or head restraint posts. following instructions:

If the position you are using does not have a headrest or head restraint GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

92 Seats and Restraints and you are using a dual check, grasp the child restraint tether, route the tether at the LATCH path and attempt around the headrest or to move it side to side and head restraint. back and forth. There should be no more than 2.5 cm (1 in) of movement, for proper installation. Replacing LATCH System If the position being used Parts After a Crash has an adjustable headrest or head restraint and a single tether is { Warning being used, route the A crash can damage the LATCH tether between the system in the vehicle. A damaged headrest or head restraint posts. LATCH system may not properly secure the child restraint, If the position you are resulting in serious injury or even using has a fixed death in a crash. To help make headrest or head restraint sure the LATCH system is and you are using a working properly after a crash, single tether, route the see your dealer to have the tether around the inboard system inspected and any or outboard side of the headrest or head necessary replacements made as restraint. soon as possible. If the position you are 3. Before placing a child in the using has a fixed child restraint, make sure it is headrest or head restraint securely held in place. To GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 93 If the vehicle has the LATCH system If the child restraint has the LATCH If more than one child restraint and it was being used during a system, see Lower Anchors and needs to be installed in the rear crash, new LATCH system parts Tethers for Children (LATCH seat, be sure to read Where to Put may be needed. System) 0 85 for how and where to the Restraint 0 83. New parts and repairs may be install the child restraint using 1. Put the child restraint on necessary even if the LATCH LATCH. If a child restraint is the seat. secured in the vehicle using a seat system was not being used at the 2. Pick up the latch plate, and run time of the crash. belt and it uses a top tether, see Lower Anchors and Tethers for the lap and shoulder portions Children (LATCH System) 0 85 for of the vehicle seat belt through Securing Child Restraints top tether anchor locations. or around the child restraint. (With the Seat Belt in the The child restraint instructions Do not secure a child seat in a will show you how. Rear Seat) position without a top tether anchor The vehicle is equipped with a front if a national or local law requires center airbag in the inboard side of that the top tether be anchored, or if the driver seat. Even with a front the instructions that come with the center airbag, a child restraint can child restraint say that the top tether be installed in any second row must be anchored. seating position. If you install a child In Canada, the law requires that restraint in a second row center forward-facing child restraints have seat, move the second row seat to a top tether, and that the tether be the rearward position, whenever attached. possible, to minimize contact with If the child restraint or vehicle seat the front center airbag. position does not have the LATCH When securing a child restraint with system, you will be using the seat the seat belts in a rear seat position, belt to secure the child restraint. 3. Push the latch plate into the study the instructions that came with Be sure to follow the instructions buckle until it clicks. the child restraint to make sure it is that came with the child restraint. compatible with this vehicle. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

94 Seats and Restraints Position the release button on 6. If the child restraint has a top the buckle, away from the child tether, follow the child restraint restraint, so that the seat belt manufacturer's instructions could be quickly unbuckled if regarding the use of the top necessary. tether. See Lower Anchors and Tethers for Children (LATCH System) 0 85. 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 seat belt path and 5. To tighten the belt, push down attempt to move it side to side on the child restraint, pull the and back and forth. When the shoulder portion of the belt to child restraint is properly tighten the lap portion of the installed, there should be no belt, and feed the shoulder belt more than 2.5 cm (1 in) of back into the retractor. When movement. 4. Pull the shoulder belt all the installing a forward-facing child To remove the child restraint, way out of the retractor to set restraint, it may be helpful to unbuckle the vehicle seat belt and the lock. When the retractor use your knee to push down on let it return to the stowed position. lock is set, the belt can be the child restraint as you If the top tether is attached to a top tightened but not pulled out of tighten the belt. tether anchor, disconnect it. the retractor. 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 Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 95 Securing Child Restraints Warning (Continued) (With the Seat Belt in the { Warning Front Seat) A child in a rear-facing child forward-facing child restraint in restraint can be seriously injured the front outboard passenger This vehicle has airbags. A rear or killed if the front outboard seat, always move the seat as far seat is a safer place to secure a passenger frontal airbag inflates. back as it will go. It is better to forward-facing child restraint. See This is because the back of the secure the child restraint in a Where to Put the Restraint 0 83. rear-facing child restraint would rear seat. In addition, the vehicle has a be very close to the inflating passenger sensing system which is See Passenger Sensing System airbag. A child in a forward-facing 0 71 for additional information. designed to turn off the front child restraint can be seriously outboard passenger frontal injured or killed if the front airbag under certain conditions. outboard passenger frontal airbag If the child restraint uses a top See Passenger Sensing System inflates and the passenger seat is tether, see Lower Anchors and 0 71 and in a forward position. Tethers for Children (LATCH Passenger Airbag Status Indicator System) 0 85 for top tether anchor 0 126 for more information, Even if the passenger sensing locations. including important safety system has turned off the front Do not secure a child seat in a information. outboard passenger frontal position without a top tether anchor Never put a rear-facing child seat in airbag, no system is fail-safe. No if a national or local law requires the front. This is because the risk to one can guarantee that an airbag that the top tether be anchored, or if the rear-facing child is so great, will not deploy under some the instructions that come with the if the airbag deploys. unusual circumstance, even child restraint say that the top tether though it is turned off. must be anchored. Secure rear-facing child restraints In Canada, the law requires that in a rear seat, even if the airbag forward-facing child restraints have is off. If you secure a a top tether, and that the tether be (Continued) attached. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

96 Seats and Restraints When using the lap-shoulder belt to or around the child restraint. secure the child restraint in this The child restraint instructions position, follow the instructions that will show you how. came with the child restraint and the following instructions: 1. Move the seat as far back as it will go before securing the forward-facing child restraint. Move the seat upward or the seatback to an upright position, if needed, to get a tight installation of the child restraint. 4. Push the latch plate into the When the passenger sensing buckle until it clicks. system has turned off the front Position the release button on outboard passenger frontal the buckle, away from the child airbag, the OFF indicator on Tilt the latch plate to adjust the restraint, so that the seat belt the passenger airbag status belt if needed. could be quickly unbuckled if indicator should light and stay necessary. lit when you start the vehicle. See Passenger Airbag Status Indicator 0 126. 2. Put the child restraint on the seat. 3. Pick up the latch plate, and run the lap and shoulder portions of the vehicle seat belt through GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Seats and Restraints 97 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 seat 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 5. Pull the shoulder belt all the 6. To tighten the belt, push down in the passenger airbag status way out of the retractor to set on the child restraint, pull the indicator will come on and stay on the lock. When the retractor shoulder portion of the belt to when the vehicle is started. lock is set, the belt can be tighten the lap portion of the If a child restraint has been installed tightened but not pulled out of belt, and feed the shoulder belt and the ON indicator is lit, see “If the retractor. back into the retractor. When the On Indicator Is Lit for a Child installing a forward-facing child Restraint” under Passenger Sensing restraint, it may be helpful to System 0 71. use your knee to push down on the child restraint as you To remove the child restraint, tighten the belt. unbuckle the vehicle seat belt and let it return to the stowed position. 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 Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

98 Storage Storage Storage Sunglasses Storage Compartments Storage Compartments Storage Compartments ...... 98 { Warning Glove Box ...... 98 Sunglasses Storage ...... 98 Do not store heavy or sharp Armrest Storage ...... 99 objects in storage compartments. Rear Storage ...... 99 In a crash, these objects may Center Console Storage ...... 99 cause the cover to open and could result in injury. Additional Storage Features Cargo Cover ...... 100 Cargo Tie-Downs ...... 100 Glove Box Cargo Management Lift up on the glove box lever to System ...... 101 If equipped, sunglasses storage is open it. on the overhead console. Press the Roof Rack System fixed button on the cover and Roof Rack System ...... 104 release to access. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Storage 99 Armrest Storage Rear Storage

The center console has storage under the armrest. Pull up the latch If equipped, the rear seat armrest There is storage in the floor of the and lift to open. may have cupholders. Pull the rear cargo area. Lift the handle to The center console also has the armrest down to access the access the removable cargo following: cupholders. management system. . A forward bin Center Console Storage . An open or covered storage bin on the back of the console The SD card is used for navigation. Do not remove the card from the holder. See the infotainment manual. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

100 Storage Additional Storage For vehicles with a cargo cover, it can be used to cover items in the Features rear of the vehicle. Unroll the cover toward the rear of the vehicle. Insert Cargo Cover the cover pins into the channels on both sides. To store, carefully remove the cover from the channels { Warning and let it roll back up. The cover should be stored securely when not An unsecured cargo cover could in use. strike people in a sudden stop or turn, or in a crash. Store the cargo cover securely or remove it Cargo Tie-Downs The back center console has a from the vehicle. storage bin. Pull the handle down to access.

Two cargo tie-downs are located in the rear compartment of the vehicle. The tie-downs can be used to secure small loads. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Storage 101 Cargo Management System Tray Option

The cargo management system is 1. Turn the right side wing nut to used to organize storage in the remove. cargo area. 2. Remove the strap. Cargo Management System Make sure the strap is secure Tray Removal after service or reinstalling the Lift the load floor to access the cargo management system. cargo management system. To access the spare tire or the tire sealant and compressor kit, the cargo management system tray must be removed. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

102 Storage 5. Unsnap the hinges on the load All Terrain floor from the cargo management system.

3. Turn the left side wing nut to remove. 4. Remove the small storage bin. The rear trays do not need to be removed to access the spare tire. 6. Pull up to remove the load floor. 7. Lift up on both sides to remove the cargo management system to access the spare tire. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Storage 103 Rail and Divider Option

Cargo Management System Cargo Management System Lock Unlock Cargo Management System 4. Turn both knobs to the lock Installation position. 1. Turn both knobs to the unlock Cargo Management System position. Removal 2. Slide the divider along the rail 1. Turn both knobs to the unlock to the desired position until it position. clicks into place. 2. Press the buttons and pull up 3. Make sure the divider is locked to remove the divider. into place in the rail grooves. 3. Store the divider outside of the vehicle. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

104 Storage Roof Rack System To prevent damage or loss of cargo Caution when driving, check to make sure crossrails and cargo are securely { Warning Loading cargo on the roof rack fastened. Loading cargo on the roof that weighs more than 100 kg rack will make the vehicle’s center If something is carried on top of (220 lb) or hangs over the rear of gravity higher. Avoid high speeds, the vehicle that is longer or wider or sides of the vehicle may sudden starts, sharp turns, sudden than the roof rack — like paneling, damage the vehicle. Do not load braking, or abrupt maneuvers; plywood, or a mattress — the cargo exceeding 100 kg (220 lbs) otherwise it may result in loss of wind can catch it while the vehicle and always load cargo so that it control. If driving for a long distance, is being driven. The item being rests evenly between the on rough roads, or at high speeds, carried could be violently torn off, crossrails and does not block the occasionally stop the vehicle to and this could cause a collision vehicle lamps or windows. Fasten make sure the cargo remains in its and damage the vehicle. Never the cargo securely. place. Do not exceed the maximum carry something longer or wider vehicle capacity when loading the than the roof rack on top of the vehicle. For more information on vehicle unless using a GM vehicle capacity and loading, see 0 certified accessory carrier. Vehicle Load Limits 186.

If equipped, the roof rack can be used to load items. For roof racks that do not have crossrails included, GM certified crossrails can be purchased as an accessory. See your dealer. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 105 Fuel Gauge ...... 122 StabiliTrak OFF Light ...... 133 Instruments and Engine Oil Temperature Traction Control System (TCS)/ Controls Gauge ...... 123 StabiliTrak Light ...... 133 Engine Coolant Temperature Engine Coolant Temperature Gauge ...... 123 Warning Light ...... 133 Controls Voltmeter Gauge ...... 124 Tire Pressure Light ...... 134 Steering Wheel Adjustment . . . 106 Seat Belt Reminders ...... 125 Engine Oil Pressure Light . . . . 134 Steering Wheel Controls ...... 107 Airbag Readiness Light ...... 126 Low Fuel Warning Light ...... 135 Heated Steering Wheel ...... 107 Passenger Airbag Status Security Light ...... 135 Horn ...... 107 Indicator ...... 126 High-Beam On Light ...... 135 Windshield Wiper/Washer . . . . 107 Charging System Light ...... 127 Front Fog Lamp Light ...... 136 Rear Window Wiper/ Malfunction Indicator Lamp Lamps On Reminder ...... 136 Washer ...... 109 (Check Engine Light) ...... 127 Cruise Control Light ...... 136 Compass ...... 110 Brake System Warning Door Ajar Light ...... 136 Clock ...... 110 Light ...... 129 Electric Parking Brake Information Displays Power Outlets ...... 110 Driver Information Center Wireless Charging ...... 112 Light ...... 130 Service Electric Parking Brake (DIC) (Base) ...... 137 Warning Lights, Gauges, and Light (Uplevel and Midlevel Driver Information Center (DIC) Indicators Cluster Only) ...... 130 (Midlevel and Uplevel) ...... 139 Head-Up Display (HUD) ...... 142 Warning Lights, Gauges, and Antilock Brake System (ABS) Indicators ...... 114 Warning Light ...... 130 Vehicle Messages Instrument Cluster (Base and Gear Shifting Light ...... 131 Vehicle Messages ...... 145 Midlevel) ...... 115 Tow/Haul Mode Light ...... 131 Engine Power Messages . . . . . 146 Instrument Cluster Hill Descent Control Light . . . . 131 Vehicle Speed Messages . . . . . 146 (Uplevel) ...... 119 Lane Keep Assist (LKA) Speedometer ...... 121 Light ...... 131 Vehicle Personalization Odometer ...... 121 Vehicle Ahead Indicator ...... 132 Vehicle Personalization ...... 146 Trip Odometer ...... 121 Pedestrian Ahead Indicator . . . 132 Tachometer ...... 121 Traction Off Light ...... 132 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

106 Instruments and Controls Universal Remote System Controls Do not adjust the steering wheel Universal Remote System . . . . 151 while driving. Universal Remote System Power Tilt and Telescoping Programming ...... 151 Steering Wheel Steering Wheel Universal Remote System Adjustment Operation ...... 154

To adjust the power tilt and To adjust the steering wheel: telescoping steering wheel, 1. Pull the lever down. if equipped: 2. Move the steering wheel up Press the control to move the or down. steering wheel up and down or 3. Pull or push the steering wheel forward and rearward. closer or away from you. Do not adjust the steering wheel 4. Pull the lever up to lock the while driving. wheel in place. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 107 Steering Wheel Controls Automatic Heated Steering Wheel Windshield Wiper/Washer The infotainment system can be If equipped with remote start, the operated by using the steering heated steering wheel will turn on wheel controls. See "Steering automatically during a remote start Wheel Controls" in the infotainment along with the heated seats when it manual. is cold outside. The heated steering wheel indicator light may not Heated Steering Wheel come on. If equipped with auto heated seats, the heated steering wheel will turn on when the auto heated seat is activated. The heated steering With the ignition on or in ACC/ wheel indicator will display the state ACCESSORY, move the windshield of the steering wheel heat. wiper lever to select the wiper speed. See Heated and Ventilated Front Seats 0 49 and HI : Use for fast wipes. Vehicle Personalization 0 146. LO : Use for slow wipes. Horn Press a on the steering wheel pad to sound the horn. ( : If equipped, press to turn it on or off. An indicator light next to the button displays when the feature is turned on. The steering wheel takes about three minutes to start heating. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

108 Instruments and Controls INT : Move the windshield wiper Heavy snow or ice can overload the lever to INT. Turn the band up for { Warning wiper motor. See Electrical System more frequent wipes or down for Overload 0 289. less frequent wipes. In freezing weather, do not use the washer until the windshield is Wiper Parking OFF : Use to turn the wipers off. warmed. Otherwise the washer If the ignition is turned off while the 1X : For a single wipe, briefly move fluid can form ice on the wipers are on LO, HI, or INT, they the wiper lever down. For several windshield, blocking your vision. will immediately stop. wipes, hold the wiper lever down. If the windshield wiper lever is then f : Pull the windshield wiper moved to OFF before the driver lever toward you to spray windshield { Warning door is opened or within 10 minutes, washer fluid and activate the the wipers will restart and move to windshield wipers. The wipers will Before driving the vehicle, always the base of the windshield. continue until the lever is released clear snow and ice from the hood, If the ignition is turned off while the or the maximum wash time is windshield, roof, and rear of the wipers are performing wipes due to reached. When the windshield wiper vehicle, including all lamps and windshield washing, the wipers lever is released, additional wipes windows. Reduced visibility from continue to run until they reach the may occur depending on how long snow and ice buildup could lead base of the windshield. the windshield washer had been to a crash. activated. See Washer Fluid 0 281 for information on filling the windshield washer fluid reservoir. Clear snow and ice from the wiper blades and windshield before using them. If frozen to the windshield, carefully loosen or thaw them. Damaged blades should be replaced. See Wiper Blade Replacement 0 285. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 109 Rear Window Wiper/ stop or return to your preset speed. windshield wiper is performing low For more washer cycles, press and or high speed wipes. If the rear Washer hold the lever. wiper control is off, the vehicle is in The rear window wiper/washer will R (Reverse), and the front not operate if the liftgate is open or windshield wiper is performing ajar. If the liftgate is opened while interval wipes, then the rear wiper the rear wiper is on, the wiper automatically performs interval returns to the parked position and wipes. stops. This feature can be turned on or off. See Vehicle Personalization 0 146. Rear Wiper Arm Assembly Protection The windshield washer reservoir is used for the windshield and the rear When using an automatic car wash, The rear window wiper/washer window. Check the fluid level in the move the rear wiper control to OFF controls are on the end of the reservoir if either washer is not to disable the rear wiper. In some windshield wiper lever. working. See Washer Fluid 0 281. vehicles, if the transmission is in Turn the controls to adjust the N (Neutral) and the vehicle speed is Rear Camera Washer setting. very slow, the rear wiper will OFF : Turns the wiper off. automatically park. INT : Turns on the rear wiper with a The wiper operations return to delay between wipes. normal when the transmission is no longer in N (Neutral) or the vehicle ON : Turns on the rear wiper. speed has increased. 1 : Push the windshield wiper Reverse Gear Wipes lever forward to spray washer fluid If equipped, push the windshield on the rear window. The wipers will If the rear wiper control is off, the wiper lever forward to spray washer clear the rear window and either rear wiper will automatically operate fluid on the rear camera lens. The continuously when the vehicle is in R (Reverse) and the front GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

110 Instruments and Controls lever returns to its starting position Clock when released. See Rear Camera { Warning Mirror 0 34. The time and date for the clock can be set using the infotainment Power is always supplied to the Compass system. See “Time/Date” in rear cargo power outlet. Do not “System” under “Settings” in the leave electrical equipment The vehicle may have a compass infotainment manual. plugged in when the vehicle is not display on the Driver Information in use because the vehicle could Center (DIC). The compass receives Power Outlets catch fire and cause injury or its heading and other information death. from the Global Positioning Power Outlets 12 Volt Direct System (GPS) antenna, StabiliTrak/ Current Electronic Stability Control (ESC), The vehicle has two 12-volt outlets and vehicle speed information. that can be used to plug in electrical Caution The compass system is designed to equipment, such as a cell phone or operate for a certain number of MP3 player. Leaving electrical equipment plugged in for an extended period miles or degrees of turn before The power outlets are located: needing a signal from the GPS of time while the ignition is off will satellites. When the compass . On the center stack below the drain the battery. Always unplug display shows CAL, drive the climate controls. electrical equipment when not in vehicle for a short distance in an . In the rear cargo area. use and do not plug in equipment open area where it can receive a that exceeds the maximum GPS signal. The compass system Lift the cover to access the outlet 15 amp rating. will automatically determine when a and replace when not in use. GPS signal is restored and provide Certain accessory plugs may not be a heading again. compatible with the accessory power outlet and could overload vehicle and adapter fuses. If a problem is experienced, see your dealer. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 111 When adding electrical equipment, indicator light turns off. To reset the be sure to follow the proper circuit, unplug the item and plug it installation instructions included with back in or turn the Retained the equipment. See Add-On Accessory Power (RAP) off and Electrical Equipment 0 258. then back on. See Retained Accessory Power (RAP) 0 196. The Caution power restarts when equipment using 150 watts or less is plugged Hanging heavy equipment from into the outlet and a system fault is the power outlet can cause not detected. damage not covered by the The power outlet is not designed for vehicle warranty. The power and may not work properly, if the outlets are designed for The power outlet is on the rear of following are plugged in: accessory power plugs only, such the center console. . Equipment with high initial peak as cell phone charge cords. An indicator light on the outlet turns wattage, such as on to show it is in use. The light compressor-driven refrigerators Power Outlet 110V/120V comes on when the ignition is on, and electric power tools Alternating Current equipment requiring less than 150 . Other equipment requiring an watts is plugged into the outlet, and If equipped with this power outlet it extremely stable power supply, no system fault is detected. can be used to plug in electrical such as equipment that uses a maximum The indicator light does not come on microcomputer-controlled limit of 150 watts. when the ignition is off or if the electric blankets and touch equipment is not fully seated into sensor lamps the outlet. . Medical equipment If equipment is connected using more than 150 watts or a system fault is detected, a protection circuit shuts off the power supply and the GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

112 Instruments and Controls Wireless Charging charging when the vehicle is in RAP. See Retained Accessory Power If equipped, the vehicle has wireless (RAP) 0 196. charging in the storage bin at the front of the floor console. The The operating temperature is −20 °C system operates at 145 kHz and (−4 °F) to 60 °C (140 °F) for the wirelessly charges one Qi charging system and 0 °C (32 °F) to compatible smartphone. The power 35 °C (95 °F) for the smartphone. output of the system is capable of charging at a rate up to 3 amp { Warning (15W), as requested by the compatible smartphone. See Radio Remove all objects from the Frequency Statement 0 380. charging pad before charging your compatible smartphone. To charge a compatible smartphone: Objects, such as coins, keys, { Warning 1. Remove all objects from the rings, paper clips, or cards, charging pad. The system may Wireless charging can affect the between the smartphone and not charge if there are any operation of an implanted charging pad will become very objects on the charging pad. pacemaker or other medical hot. On the rare occasion that the 2. Place the smartphone face up devices. If you have one, it is charging system does not detect on the charging pad. recommended to consult with an object, and the object gets your doctor before using the wedged between the smartphone To maximize the charge rate, wireless charging system. and charger, remove the ensure the smartphone is fully smartphone and allow the object seated and centered in the holder with nothing under it. The vehicle must be on, in ACC/ to cool before removing it from the charging pad, to prevent A thick smartphone case may ACCESSORY, or Retained prevent the wireless charger burns. Accessory Power (RAP) must be from working, or may reduce active. The wireless charging feature may not correctly indicate GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 113 the charging performance. See Software Acknowledgements Freescale-WCT library your dealer for additional Certain Wireless Charging Module Copyright (c) 2012-2014 Freescale information. product from LG Electronics, Inc. Semiconductor, Inc.. All rights 3. A green $ will display next to ("LGE") contains the open source reserved. the V on infotainment display. software detailed below. Refer to 1. Redistributions of source code This indicates that the the indicated open source licenses must retain the above copyright smartphone is properly (as are included following this notice, this list of conditions $ notice) for the terms and conditions and the following disclaimer. positioned and charging. If of their use. turns yellow ensure that the 2. Redistributions in binary form charging pad is clear of any OSS Notice Information must reproduce the above objects and that the To obtain the source code that is copyright notice, this list of smartphone is capable of contained in this product, please conditions and the following wireless charging before visit http://opensource.lge.com. In disclaimer in the repositioning it. This may addition to the source code, all documentation and/or other require rotating the phone referred license terms, warranty materials provided with the 180 degrees and waiting disclaimers and copyright notices distribution. 3 seconds before placing/ are available for download. LG 3. Neither the name of the aligning the smartphone on the Electronics will also provide open pad again. The smartphone copyright holder nor the names source code to you on CD-ROM for of its contributors may be used may become warm during a charge covering the cost of charging. This is normal. In to endorse or promote products performing such distribution (such derived from this software warmer temperatures, the as the cost of media, shipping, and speed of charging may be without specific prior written handling) upon email request to permission. reduced. [email protected]. This offer is valid for three (3) years from the date on which you purchased the product. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

114 Instruments and Controls THIS SOFTWARE IS PROVIDED TO, PROCUREMENT OF Warning Lights, BY THE COPYRIGHT HOLDERS SUBSTITUTE GOODS OR AND CONTRIBUTORS "AS IS" SERVICES; LOSS OF USE, DATA, Gauges, and AND ANY EXPRESS OR IMPLIED OR PROFITS; OR BUSINESS WARRANTIES, INCLUDING, BUT INTERRUPTION) HOWEVER Indicators NOT LIMITED TO, THE IMPLIED CAUSED AND ON ANY THEORY Warning lights and gauges can WARRANTIES OF OF LIABILITY, WHETHER IN signal that something is wrong MERCHANTABILITY AND FITNESS CONTRACT, STRICT LIABILITY, before it becomes serious enough FOR A PARTICULAR PURPOSE OR TORT (INCLUDING to cause an expensive repair or ARE DISCLAIMED. IN NO EVENT NEGLIGENCE OR OTHERWISE) replacement. Paying attention to the SHALL THE COPYRIGHT HOLDER ARISING IN ANY WAY OUT OF warning lights and gauges could OR CONTRIBUTORS BE LIABLE THE USE OF THIS SOFTWARE, prevent injury. FOR ANY DIRECT, INDIRECT, EVEN IF ADVISED OF THE Some warning lights come on briefly INCIDENTAL, SPECIAL, POSSIBILITY OF SUCH DAMAGE. when the engine is started to EXEMPLARY, OR indicate they are working. When CONSEQUENTIAL DAMAGES one of the warning lights comes on (INCLUDING, BUT NOT LIMITED and stays on while driving, or when one of the gauges shows there may be a problem, check the section that explains what to do. Waiting to do repairs can be costly and even dangerous. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 115 Instrument Cluster (Base and Midlevel)

Base Level and Midlevel English, Metric Similar GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

116 Instruments and Controls Base Cluster Menu viewed. See “Driver Information Once the speed is set, this feature Center (DIC) (Base and V There is an interactive display area can be turned off by pressing Midlevel) in the Index. in the center of the instrument ” while viewing this page. If the cluster. . Options selected speed limit is exceeded, a pop-up warning is displayed with a Options chime. Press V to select the Options app, Midlevel Cluster Menu then press to enter the Options p There is an interactive display area menu. Use w or x to scroll through in the center of the instrument items in the Options menu. cluster. Units : Press p while Units is displayed to enter the Units menu. Choose English or Metric units by pressing V while the desired item is highlighted. Info Pages : Press p while Info Use the right steering wheel control Pages is displayed to enter the Info to open and scroll through the Pages menu and select the items to different items and displays. be displayed in the Info app. Press o to access the cluster Speed Warning : The Speed applications. Use w or x through Warning display allows you to set a the list of available applications. Not speed not to be exceeded. To set, all applications will be available on press p when Speed Warning is Use the right steering wheel control all vehicles. displayed. to open and scroll through the different items and displays. . Info App. This is where the Scroll w or x to adjust the value. selected Driver Information Press V to set the speed. Center (DIC) displays can be GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 117 Press o or p to change between Home Audio the cluster applications. Use w or Information displayed here can be Use w or x to scroll through x to scroll through the list of customized from the Options menu. options, browse for music, select available features within each Speedometer : Displays how fast from favorites, or change the audio application. Not all applications will the vehicle is moving in either source. In the main view, scroll to be available on all vehicles. Some kilometers per hour (km/h) or miles change the station or go to the next may be temporarily restricted when per hour (mph). or previous track. the vehicle is off or in ACC/ ACCESSORY. Speed Sign : Shows sign Navigation information, which comes from a In the Navigation menu, if there is . Home Page roadway database in the onboard no active route, press V to access . Info App. This is where the navigation, if equipped. Recents or Favorites. If there is an selected Driver Information Time : Displays the current time. V Center (DIC) displays can be active route, press to cancel or viewed. See “Driver Information Fuel Range : Displays the resume route guidance, mute or Center (DIC) (Base and approximate distance the vehicle unmute voice guidance, or access Midlevel)” in the Index. can be driven without refueling. The Recents or Favorites. fuel range estimate is based on an . Audio average of the vehicle’s fuel . Navigation economy over recent driving history and the amount of fuel remaining in . Phone the fuel tank. Fuel range cannot be . Options reset. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

118 Instruments and Controls Phone Units : Choose US or Metric units. Speed Warning : Allows you to set A selected mark will be displayed a speed not to be exceeded. To set, In the Phone menu, if there is no next to the selected item. V active phone call, view recent calls, press when Speed Warning is scroll through contacts, select from Info Page Options : Select the displayed. Use w or x to adjust the the favorites, or change the phone items to be displayed in the Info value. Press V to set the speed. source. If there is an active call, app. A selected mark will be Once the speed is set, this feature mute the phone or switch to handset displayed next to the selected item. can be turned off by pressing the V operation. Home Page Options : Select the while viewing this page. If the Options available elements to display. Not all selected speed limit is exceeded, a elements will be available on all pop-up warning is displayed with a Use w or x to scroll through items vehicles: Speedometer, Active chime. in the Options menu. Press V to Safety, Speed Sign, Time, and Fuel Software Information : Displays select the item. Press o to exit Range. open source software information. the item. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 119 Instrument Cluster (Uplevel)

Uplevel English Standard Theme, Metric Similar GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

120 Instruments and Controls Cluster Menu . Info App. This is where the If there is an active call, mute the selected Driver Information phone or switch to handset There is an interactive display area Center (DIC) displays can be operation. in the center of the instrument viewed. See Driver Information cluster. Center (DIC) (Base) 0 137 or Navigation Driver Information Center (DIC) Press the V to select the Navigation 0 (Midlevel and Uplevel) 139. app, then press p to enter the . Audio Navigation menu. If there is no active route, you can resume the . Phone last route and turn the voice . Navigation prompts on/off. If there is an active . Options route, press V to cancel or resume route guidance or turn the voice Audio prompts on or off. V Press to select the Audio app, Options then press p to enter the Audio V menu. In the Audio menu browse for Press the to select the Options Use the right steering wheel control music, select from the favorites, app, then press p to enter the to open and scroll through the or change the audio source. Use w Options menu. Use w or x to scroll different items and displays. or x to change the station or go to through items in the Options menu. Press o to access the cluster the next or previous track. Units : Press p while Units is applications. Use w or x to scroll Phone displayed to enter the Units menu. through the list of available Choose English or Metric units by Press V to select the Phone app, applications. Press V to select. Not pressing V while the desired item is all applications will be available on then press p to enter the Phone highlighted. all vehicles. menu. In the Phone menu, if there is no active phone call, view recent calls, or scroll through contacts. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 121 Display Themes : There are two Software Information : Displays Tachometer instrument cluster display open source software information. configurations to choose from: Sport The tachometer displays the engine and Touring. Speedometer speed in revolutions per minute (rpm). Info Pages : Press p while Info The speedometer shows the For vehicles with the Stop/Start Pages is displayed to enter the Info vehicle's speed in either kilometers system, when the ignition is on, the Pages menu and select the items to per hour (km/h) or miles per tachometer indicates the vehicle be displayed in the Info app. See hour (mph). status. When pointing to AUTO Driver Information Center (DIC) STOP, the engine is off but the (Base) 0 137 or Odometer vehicle is on and can move. The Driver Information Center (DIC) engine could auto start at any time. (Midlevel and Uplevel) 0 139. The odometer shows how far the vehicle has been driven, in either When the indicator points to OFF, Speed Warning : The Speed kilometers or miles. the vehicle is off. Warning display allows you to set a When the engine is on, the speed not to be exceeded. To set, Trip Odometer tachometer will indicate the engine’s press p when Speed Warning is revolutions per minute (rpm). The displayed. The trip odometer shows how far the vehicle has been driven since tachometer may vary by several Scroll to set speed and press p. the trip odometer was last reset. hundred rpm’s, during Auto Stop Scroll or to adjust the value mode, when the engine is shutting w x The trip odometer is accessed and off and restarting. and press the V to set the speed. reset through the Driver Information Once the speed is set, this feature Center (DIC). See Driver can be turned off by pressing V Information Center (DIC) (Base) while viewing this page. If the 0 137 or selected speed limit is exceeded, a Driver Information Center (DIC) pop-up warning is displayed with a (Midlevel and Uplevel) 0 139. chime. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

122 Instruments and Controls Fuel Gauge When the ignition is on, the fuel gauge indicates about how much fuel is left in the tank. An arrow on the fuel gauge indicates the side of the vehicle the fuel door is on. When the indicator nears empty, the low fuel light comes on. There is a small amount of fuel left, but the fuel tank should be filled soon. Here are things that some owners Metric Uplevel ask about. None of these show a problem with the fuel gauge: Metric Base and Midlevel . At the service station, the fuel pump shuts off before the gauge reads full. . It takes a little more or less fuel to fill up than the gauge indicated. For example, the gauge indicated the tank was half full, but it actually took a little more or less than half the tank's capacity to fill the tank. . The gauge moves a little while English Uplevel turning a corner or speeding up. English Base and Midlevel GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 123 . The gauge takes a few seconds Engine Coolant to stabilize after the ignition is turned on, and goes back to Temperature Gauge empty when the ignition is turned off. Engine Oil Temperature Gauge

English This gauge shows the engine oil temperature. Metric Base and Midlevel If the gauge pointer moves into the high end, it means that the engine oil has overheated. If the vehicle has been operated under normal driving conditions, pull off the road, Metric stop the vehicle, and turn off the engine as soon as possible. See Engine Oil 0 269. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

124 Instruments and Controls Voltmeter Gauge

English Base and Midlevel English Uplevel This gauge shows the engine coolant temperature. When the ignition is on, this gauge If the pointer moves toward the indicates the battery voltage. warning area at the high end of the When the engine is running, this gauge, the engine is too hot. gauge shows the condition of the If the engine coolant has charging system. The gauge can overheated and the vehicle has transition from a higher to lower or a been operating under normal driving lower to higher reading. This is conditions, pull off the road, stop the normal. If the vehicle is operating vehicle, and turn off the engine as outside the normal operating range, soon as possible. See Engine the charging system light comes on. 0 Overheating 0 279. See Charging System Light 127. Metric Uplevel Readings outside the normal operating range can also occur when a large number of electrical GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 125 accessories are operating in the Seat Belt Reminders Passenger Seat Belt Reminder vehicle and the engine is left idling Light for an extended period. This Driver Seat Belt Reminder condition is normal since the Light There is a passenger seat belt charging system is not able to reminder light near the passenger There is a driver seat belt reminder provide full power at engine idle. As airbag status indicator. See light on the instrument cluster. 0 engine speeds are increased, this Passenger Sensing System 71. condition should correct itself as 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 When the vehicle is started, this accessories, such as the radio and light flashes and a chime may come light flashes and a chime may come air conditioner, and unplug all on to remind the driver to fasten on to remind passengers to fasten chargers and accessories. their seat belt. Then the light stays their seat belt. Then the light stays on solid until the belt is buckled. on solid until the belt is buckled. Readings outside the normal This cycle may continue several This cycle continues several times if operating range indicate a possible times if the driver remains or the passenger remains or becomes problem in the electrical system. becomes unbuckled while the unbuckled while the vehicle is Have the vehicle serviced as soon vehicle is moving. moving. as possible. If the driver seat belt is buckled, If the passenger seat belt is neither the light nor the chime buckled, neither the chime nor the comes on. light comes on. The front passenger seat belt reminder light and chime may turn on if an object is put on the seat GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

126 Instruments and Controls such as a briefcase, handbag, The airbag readiness light comes on safety information. The overhead grocery bag, laptop, or other for several seconds when the console has a passenger airbag electronic device. To turn off the vehicle is started. If the light does status indicator. reminder light and/or chime, remove not come on then, have it fixed the object from the seat or buckle immediately. the seat belt. { Airbag Readiness Light Warning If the airbag readiness light stays This light shows if there is an on after the vehicle is started or electrical problem with the airbag United States and Canada system. The system check includes comes on while driving, it means the airbag sensor(s), the passenger the airbag system might not be sensing system, the pretensioners, working properly. The airbags in the airbag modules, the wiring, and the vehicle might not inflate in a the crash sensing and diagnostic crash, or they could even inflate module. For more information on the without a crash. To help avoid airbag system, see Airbag System injury, have the vehicle serviced 0 64. right away. Mexico When the vehicle is started, the If there is a problem with the airbag passenger airbag status indicator system, a Driver Information Center will light ON and OFF, or the symbol (DIC) message may also come on. for on and off, for several seconds as a system check. Then, after Passenger Airbag Status several more seconds, the status Indicator indicator will light either ON or OFF, or either the on or off symbol, to let The vehicle has a passenger you know the status of the front sensing system. See Passenger outboard passenger frontal airbag. Sensing System 0 71 for important GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 127 If the word ON, or the on symbol, is When this light comes on, the Driver lit on the passenger airbag status Warning (Continued) Information Center (DIC) also indicator, it means that the front displays a message. outboard passenger frontal airbag is away. See Airbag Readiness 0 If a short distance must be driven allowed to inflate. Light 126 for more information, including important safety with the light on, be sure to turn off If the word OFF, or the off symbol, is information. all accessories, such as the radio lit on the passenger airbag status and air conditioner. indicator, it means that the passenger sensing system has Charging System Light Malfunction Indicator turned off the front outboard passenger frontal airbag. Lamp (Check Engine Light) If, after several seconds, both status indicator lights remain on, or if there This light is part of the vehicle’s are no lights at all, there may be a emission control on-board problem with the lights or the diagnostic system. If this light is on passenger sensing system. See while the engine is running, a your dealer for service. The charging system light comes on malfunction has been detected and briefly when the ignition is turned the vehicle may require service. The light should come on to show that it { Warning on, but the engine is not running, as a check to show the light is working. is working when the ignition is in If the airbag readiness light ever The light turns off when the engine Service Mode. See Ignition 0 comes on and stays on, it means is started. If it does not, have the Positions 190. that something may be wrong vehicle serviced by your dealer. with the airbag system. To help If the light stays on, or comes on avoid injury to yourself or others, while driving, there may be a have the vehicle serviced right problem with the electrical charging (Continued) system. Have it checked by your dealer. Driving while this light is on could drain the battery. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

128 Instruments and Controls Malfunctions are often indicated by previous guidelines and see your the system before any problem is Caution (Continued) dealer for service as soon as noticeable. Being aware of the light possible. costly repairs not covered by the and seeking service promptly when If the light is on steady : A it comes on may prevent damage. vehicle warranty. This could also affect the vehicle’s ability to pass malfunction has been detected. Diagnosis and service may be Caution an Emissions Inspection/ Maintenance test. See required. If the vehicle is driven continually Accessories and Modifications Check the following: 0 with this light on, the emission 261. . If fuel has been added to the control system may not work as vehicle using the capless fuel well, the fuel economy may be If the light is flashing : A funnel adapter, make sure that it lower, and the vehicle may not malfunction has been detected that has been removed. See “Filling run smoothly. This could lead to could damage the emission control the Tank with a Portable Gas costly repairs that might not be system and increase vehicle Can” under Filling the Tank 0 covered by the vehicle warranty. emissions. Diagnosis and service 243. The diagnostic system may be required. can detect if the adapter has been left installed in the vehicle, To help prevent damage, reduce allowing fuel to evaporate into Caution vehicle speed and avoid hard the atmosphere. A few driving accelerations and uphill grades. trips with the adapter removed Modifications to the engine, If towing a trailer, reduce the may turn off the light. transmission, exhaust, intake, amount of cargo being hauled as soon as possible. . Poor fuel quality can cause or fuel system, or the use of inefficient engine operation and replacement tires that do not If the light continues to flash, find a poor driveability, which may go meet the original tire safe place to park. Turn the vehicle away once the engine is warmed specifications, can cause this light off and wait at least 10 seconds up. If this occurs, change the to come on. This could lead to before restarting the engine. If the fuel brand. It may require at light is still flashing, follow the (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 129 least one full tank of the proper The vehicle may not pass Brake System Warning fuel to turn the light off. See inspection if: 0 Light Recommended Fuel 242. . The light is on when the engine If the light remains on, see your is running. dealer. . The light does not come on Emissions Inspection and when the ignition is in Maintenance Programs Service Mode. If the vehicle requires an Emissions . Critical emission control systems Metric English Inspection/Maintenance test, the have not been completely test equipment will likely connect to diagnosed. If this happens, the This light should come on briefly the vehicle's Data Link vehicle would not be ready for when the vehicle is turned on. If it Connector (DLC). inspection and might require does not come on then, have it fixed several days of routine driving so it will be ready to warn you if before the system is ready for there is a problem. inspection. This can happen if the 12-volt battery has recently If the light comes on and stays on at been replaced or run down, or if start up, there is a brake problem. the vehicle has been recently Have the brake system inspected serviced. right away. See your dealer if the vehicle will If the light comes on while driving, The DLC is under the instrument not pass or cannot be made ready pull off the road and stop carefully. panel to the left of the steering for the test. The brake pedal might be harder to wheel. Connecting devices that are push, or the brake pedal may go not used to perform an Emissions closer to the floor. It could take Inspection/Maintenance test or to longer to stop. If the light is still on, service the vehicle may affect have the vehicle towed for service. vehicle operation. See Add-On See Towing the Vehicle 0 338. Electrical Equipment 0 258. See your dealer if assistance is needed. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

130 Instruments and Controls Parking Brake system. A message If this light stays on, the vehicle { Warning may also display in the Driver should be taken to a dealer as soon Information Center (DIC). as possible. See Electric Parking The brake system might not be Brake 0 207. A message may also working properly if the brake If the light does not come on, or remains flashing, see your dealer. display in the Driver Information system warning light is on. Center (DIC). Driving with the brake system warning light on can lead to a Service Electric Parking Antilock Brake System crash. If the light is still on after Brake Light (Uplevel and (ABS) Warning Light the vehicle has been pulled off Midlevel Cluster Only) the road and carefully stopped, have the vehicle towed for service.

Electric Parking Brake Light This warning light should come on On some vehicles the service briefly when the vehicle is turned electric parking brake light should on. If the light does not come on, come on briefly when the vehicle is have it fixed so it will be ready to started. If it does not come on, have warn if there is a problem. it fixed so it will be ready to warn if there is a problem. For vehicles with If the light comes on while driving, Metric English the reconfigurable cluster, this light safely stop as soon as it is possible may not come on when the vehicle and turn off the vehicle. Then turn This light comes on when the is started. on the vehicle again to reset the parking brake is applied. If the light system. continues flashing after the parking brake is released, or while driving, there is a problem with the Electric GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 131 If the ABS warning light stays on, Tow/Haul Mode Light Lane Keep Assist (LKA) or comes on again while driving, the vehicle needs service. A chime may Light also sound when the light stays on. If the ABS warning light is the only light on, the vehicle has regular brakes, but ABS is not functioning. If both the ABS warning light and the brake system warning light are For vehicles with the Tow/Haul on, ABS is not functioning and there Mode feature, this light comes on After the vehicle is started, this light is a problem with the regular brakes. when the Tow/Haul Mode has been turns off and stays off if LKA has not See your dealer for service. activated. been turned on or is unavailable. 0 See Brake System Warning Light See Tow/Haul Mode 206. If available, this light is white if LKA 0 129. is turned on, but not ready to assist. Hill Descent Control Light This light is green if LKA is turned Gear Shifting Light on and is ready to assist. LKA may assist by gently turning the steering wheel if the vehicle approaches a detected lane marking. The LKA light is amber when assisting. This light flashes amber as a Lane If equipped, the Hill Descent Control Departure Warning (LDW) alert, to light comes on when the system is If equipped, this light will display indicate that the lane marking has ready for use. When the light when Performance Algorithm Liftfoot been crossed. (PAL) is activated. See Driver Mode flashes, the system is active. 0 Control 212. See Hill Descent Control (HDC) 0 211. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

132 Instruments and Controls LKA will not assist or alert if the turn FCA/ACC Following Gap Light Traction Off Light signal is active in the direction of lane departure, or if LKA detects that you are accelerating, braking, or actively steering. See Lane Keep Assist (LKA) 0 240. Vehicle Ahead Indicator If equipped, this light indicates the This light comes on briefly while following gap setting (near, medium, starting the engine. If it does not, or far) for FCA, and, if equipped, have the vehicle serviced by your Adaptive Cruise Control (ACC). dealer. If the system is working normally, the indicator light then Pedestrian Ahead turns off. Indicator The traction off light comes on when If equipped, this indicator will the Traction Control System (TCS) display green when a vehicle is has been turned off by pressing and detected ahead and amber when releasing the TCS/StabiliTrak/ you are following a vehicle ahead Electronic Stability Control (ESC) much too closely. button. See Forward Collision Alert (FCA) This light and the StabiliTrak OFF System 0 231. light come on when StabiliTrak/ESC If equipped, this indicator will is turned off. display amber when a nearby If the TCS is off, wheel speed will pedestrian is detected in front of the be limited when necessary to vehicle. protect the driveline from damage. See Front Pedestrian Braking (FPB) Adjust driving accordingly. System 0 236. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 133 See Traction Control/Electronic Traction Control System See Traction Control/Electronic 0 0 Stability Control 209. (TCS)/StabiliTrak Light Stability Control 209. StabiliTrak OFF Light Engine Coolant Temperature Warning Light

This light comes on briefly when the engine is started. This light comes on briefly while starting the engine. If it does not, If the light does not come on, have have the vehicle serviced by your the vehicle serviced by your dealer. dealer. If the system is working normally, This light comes on briefly while the indicator light turns off. starting the vehicle. This light comes on when the StabiliTrak/Electronic Stability If the light is on and not flashing, the If it does not, have the vehicle Control (ESC) system is turned off. TCS and potentially the StabiliTrak/ serviced by your dealer. If the If StabiliTrak/ESC is off, the Traction ESC system have been disabled. system is working normally the Control System (TCS) is also off. A Driver Information Center (DIC) indicator light goes off. message may display. Check the If StabiliTrak/ESC and TCS are off, DIC messages to determine which Caution the system does not assist in feature(s) is no longer functioning controlling the vehicle. Turn on the and whether the vehicle requires The engine coolant temperature TCS and the StabiliTrak/ESC service. warning light indicates that the systems, and the warning light vehicle has overheated. Driving turns off. If the light is on and flashing, the TCS and/or the StabiliTrak/ESC with this light on can damage the See Traction Control/Electronic system is actively working. (Continued) Stability Control 0 209. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

134 Instruments and Controls When the Light Is On Steady On some models, the oil pump will Caution (Continued) This indicates that one or more of vary engine oil pressure according to engine needs. Oil pressure may engine and it may not be covered the tires are significantly underinflated. change quickly as the engine speed by the vehicle warranty. See or load varies. This is normal. If the Engine Overheating 0 279. A Driver Information Center (DIC) oil pressure warning light or Driver tire pressure message may also Information Center (DIC) message The engine coolant temperature display. Stop as soon as possible, indicates oil pressure outside the warning light comes on when the and inflate the tires to the pressure normal operating range, check the engine has overheated. value shown on the Tire and vehicle's oil as soon as possible. Loading Information label. See Tire If this happens, pull over and turn Pressure 0 305. off the engine as soon as possible. Caution See Engine Overheating 0 279. When the Light Flashes First and Then Is On Steady Lack of proper engine oil maintenance can damage the Tire Pressure Light If the light flashes for about a minute engine. Driving with the engine oil and then stays on, there may be a low can also damage the engine. problem with the TPMS. If the The repairs would not be covered problem is not corrected, the light will come on at every ignition cycle. by the vehicle warranty. Check See Tire Pressure Monitor the oil level as soon as possible. Operation 0 308. Add oil if required, but if the oil level is within the operating range Engine Oil Pressure Light and the oil pressure is still low, For vehicles with the Tire Pressure have the vehicle serviced. Always Monitor System (TPMS), this light Oil pressure can vary with engine follow the maintenance schedule comes on briefly when the engine is speed, outside temperature, and oil for changing engine oil. started. It provides information viscosity. about tire pressures and the TPMS. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 135 It also comes on when the fuel tank High-Beam On Light is low on fuel. The light turns off when fuel is added. If it does not, have the vehicle serviced. Security Light This light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced This light comes on when the by your dealer. high-beam headlamps are in use. If the light comes on and stays on, it See Headlamp High/Low-Beam means that oil is not flowing through Changer 0 157. the engine properly. The vehicle could be low on oil and might have The security light should come on IntelliBeam Light some other system problem. See briefly as the engine is started. If it your dealer. does not come on, have the vehicle serviced by your dealer. If the Low Fuel Warning Light system is working normally, the indicator light turns off. If the light stays on and the engine does not start, there could be a problem with the theft-deterrent This light comes on when the system. See Immobilizer Operation IntelliBeam system, if equipped, is 0 30. enabled. See Exterior Lamp Controls 0 155. This light is near the fuel gauge and comes on briefly when the ignition is turned on as a check to show it is working. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

136 Instruments and Controls Front Fog Lamp Light Cruise Control Light Door Ajar Light

The fog lamp light comes on when The cruise control light is white This light comes on when a door is the fog lamps are in use. when the cruise control is on and open or not securely latched. Before The light goes out when the fog ready, and turns green when the driving, check that all doors are lamps are turned off. See Fog cruise control is set and active. properly closed. Lamps 0 159 for more information. See Cruise Control 0 214. Lamps On Reminder Adaptive Cruise Control Light

This light is white when the Adaptive This light comes on when the Cruise Control (ACC, if equipped) is exterior lamps are in use, except on and ready, and turns green when when only the Daytime Running the ACC is set and active. See Lamps (DRL) are active. See Adaptive Cruise Control 0 216. Exterior Lamp Controls 0 155. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 137 Information Displays w or x : Press to move up or 6. Press V while an item is down in a list. highlighted to select or Driver Information Center deselect that item. When an o or p : Press to move between item is selected, a checkmark (DIC) (Base) the interactive display zones in the will appear next to it. cluster. The DIC displays are shown in the DIC Info Pages center of the instrument cluster in V : Press to open a menu or select the Info app. See Instrument Cluster a menu item. Press and hold to The following is the list of all (Base and Midlevel) 0 115 or reset values on certain screens. possible DIC info page displays. 0 Some may not be available for your Instrument Cluster (Uplevel) 119. DIC Info Page Options The displays show the status of particular vehicle. Some items may many vehicle systems. The controls The info pages on the DIC can be not be turned on by default but can for the DIC are on the right steering turned on or off through the be turned on through the Options wheel control. Options menu. app. See “DIC Info Page Options” earlier in this section. 1. Press o to access the cluster applications. Speed : Shows the vehicle speed in either kilometers per hour (km/h) or 2. Press w or x to scroll to the miles per hour (mph). A speed limit Options application. sign can also be shown, if equipped. 3. Press V to enter the Trip A or Trip B : Shows the Options 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. This also shows the approximate 5. Press w or x to move through average liters per 100 kilometers the list of possible information (L/100 km) or miles per displays. gallon (mpg). This number is calculated based on the number of L/100 km (mpg) recorded since the GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

138 Instruments and Controls last time this menu item was reset. When the remaining oil life is low, shown in amber. See Tire Pressure This number reflects only the the CHANGE ENGINE OIL SOON Monitor System 0 307 and approximate average fuel economy message will appear on the display. Tire Pressure Monitor Operation that the vehicle has right now, and The oil should be changed as soon 0 308. 0 will change as driving conditions as possible. See Engine Oil 269. Average Vehicle Speed : Displays change. In addition to the engine oil life the average vehicle speed of the system monitoring the oil life, Press and hold V while this display vehicle in kilometers per hour (km/h) additional maintenance is or miles per hour (mph). This is active to reset the trip odometer recommended in the Maintenance and the average fuel economy. Trip average is based on the various Schedule. See Maintenance vehicle speeds recorded since the A and Trip B can also be reset by Schedule 0 353. pressing p and choosing reset. last reset. Reset the average speed The Oil Life display must be reset by pressing V when it is displayed. Fuel Range : Shows the after each oil change. It will not approximate distance the vehicle reset itself. Do not to reset the Oil Fuel Economy : The center can be driven without refueling. Life display at any time other than displays the approximate LOW will be displayed when the when the oil has just been changed. instantaneous fuel economy as a vehicle is low on fuel. The fuel It cannot be reset accurately until number and bar graph. Displayed range estimate is based on an the next oil change. To reset the above the bar graph is a running average of the vehicle's fuel engine oil life system, press and average of fuel economy for the most recently traveled selected economy over recent driving history hold V for several seconds while distance. Displayed below the bar and the amount of fuel remaining in the Oil Life display is active. See the fuel tank. 0 graph is the best average fuel Engine Oil Life System 271. economy that has been achieved for Remaining Oil Life : Shows an Tire Pressure : Shows the the selected distance. The selected estimate of the oil's remaining useful approximate pressures of all four distance is displayed at the top of life. If REMAINING OIL LIFE 99% is tires. Tire pressure is displayed in the page as “last xxx mi/km.” displayed, that means 99% of the either kilopascal (kPa) or in pounds V current oil life remains. per square inch (psi). If the pressure Press to select the distance or is low, the value for that tire is reset best value. Use w and x to choose the distance and press V. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 139 Press w and x to select “Reset Timer : This display can be used as Driver Information Center V Best Score.” Press V to reset the a timer. To start the timer, press (DIC) (Midlevel and best average fuel economy. After while this display is active. The Uplevel) reset, the best value displays “-,-” display will show the amount of time until the selected distance has been that has passed since the timer was The DIC displays are shown in the traveled. last reset. To stop the timer, press V center of the instrument cluster in The display provides information on briefly while this display is active the Info app. See Instrument Cluster and the timer is running. To reset (Base and Midlevel) 0 115 or how current driving behavior affects V 0 the running average and how well the timer to zero, press and hold Instrument Cluster (Uplevel) 119. recent driving compares to the best while this display is active, or press The displays show the status of that has been achieved for the p and select reset. many vehicle systems. The controls selected distance. for the DIC are on the right steering Battery Voltage : Displays the wheel control. Economy Trend : Shows history of current battery voltage, if equipped. the Average Fuel Economy from the Battery voltage changes are normal last 50 km (30 mi). Each bar while driving. See Charging System represents about 5 km (3 mi) of Light 0 127. If there is a problem driving. During driving the bars will with the battery charging system, shift to always reflect the most the DIC will display a message. recent distance on the right side. V Transmission Fluid Press and hold to clear the graph Temperature : Shows the or to reset through the menu. temperature of the automatic ECO Index : Provides feedback on transmission fluid in either degrees the efficiency of current driving Celsius (°C) or degrees behavior. The bar graph shows a Fahrenheit (°F). value that is based on current fuel Blank Page : Shows no consumption compared to what is information. expected from the vehicle with good w or x : Press to move up or and bad driving habits. down in a list. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

140 Instruments and Controls o or p : Press to move between DIC Info Pages the approximate average fuel economy that the vehicle has right the interactive display zones in the The following is the list of all now, and will change as driving cluster. possible DIC info page displays. conditions change. V : Press to open a menu or select Some may not be available for your a menu item. Press and hold to particular vehicle. Some items may The Average Speed display shows reset values on certain screens. not be turned on by default but can the average speed of the vehicle in be turned on through the Options kilometers per hour (km/h) or miles DIC Info Page Options app. See “DIC Info Page Options” per hour (mph). This average is The info pages on the DIC can be earlier in this section. calculated based on the various vehicle speeds recorded since the turned on or off through the Speed : Shows the vehicle speed in last reset of this value. Options menu. either kilometers per hour (km/h) or miles per hour (mph). The vehicle V 1. Press to go to the Options Press and hold while this display p odometer is also shown on application. is active to reset the trip odometer, this page. the average fuel economy, and the V 2. Press to enter the Trip A or Trip B, Average Fuel average speed. Or press p and Options menu. Economy, and Average Speed : select reset in the menu. 3. Press w or x to move through Shows the current distance traveled, Fuel Range and Instantaneous the list of possible information in either kilometers (km) or Fuel Economy : Shows the displays. miles (mi), since the trip odometer approximate distance the vehicle was last reset. can be driven without refueling. 4. Press V while an item is The Average Fuel Economy display LOW will be displayed when the highlighted to select or shows the approximate average vehicle is low on fuel. The fuel deselect that item. When an liters per 100 kilometers (L/100 km) range estimate is based on an item is selected, a checkmark or miles per gallon (mpg). This average of the vehicle's fuel will appear next to it. number is calculated based on the economy over recent driving history number of L/100 km (mpg) recorded and the amount of fuel remaining in since the last time this menu item the fuel tank. was reset. This number reflects only GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 141 The Instantaneous Fuel Economy When the remaining oil life is low, shown in amber. See Tire Pressure display shows the current fuel the CHANGE ENGINE OIL SOON Monitor System 0 307 and economy in either liters per message will appear on the display. Tire Pressure Monitor Operation 100 kilometers (L/100 km) or miles The oil should be changed as soon 0 308. 0 per gallon (mpg). This number as possible. See Engine Oil 269. Best Fuel Economy : Displays reflects only the approximate fuel In addition to the engine oil life average fuel economy, the best fuel economy that the vehicle has right system monitoring the oil life, economy over the selected now and changes frequently as additional maintenance is distance, and a bar graph showing driving conditions change. recommended in the Maintenance instantaneous fuel economy. Timer and Fuel Used : Can be Schedule. See Maintenance Schedule 0 353. Press p to change the selected used as a timer. To start the timer, V press V while this display is active. The Oil Life display must be reset distance. Press and hold while The display will show the amount of after each oil change. It will not this display is active to reset the time that has passed since the timer reset itself. Do not to reset the Oil best fuel economy and average fuel was last reset. To stop the timer, Life display at any time other than economy. This display can also be reset by selecting reset in the menu. press V briefly while this display is when the oil has just been changed. active and the timer is running. To It cannot be reset accurately until Top Consumers : Shows a list of reset the timer to zero, press and the next oil change. To reset the the features that are currently engine oil life system, press and hold V while this display is active. impacting the fuel economy, in order hold V for several seconds while from highest to lowest. If a feature is This also shows the number of the Oil Life display is active. See turned off, it will be removed from liters (L) or gallons (gal) of fuel used Engine Oil Life System 0 271. the list. since the last reset of this menu item. Tire Pressure : Shows the Economy Trend : Shows history of approximate pressures of all four the Average Fuel Economy from the Oil Life : Shows an estimate of the tires. Tire pressure is displayed in last 50 km (30 mi). Each bar oil's remaining useful life. either kilopascal (kPa) or in pounds represents about 5 km (3 mi) of If REMAINING OIL LIFE 99% is per square inch (psi). If the pressure driving. During driving the bars will displayed, that means 99% of the is low, the value for that tire is shift to always reflect the most current oil life remains. recent distance on the right side. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

142 Instruments and Controls Press and hold V to clear the graph Transmission Fluid Temperature Caution or press p to reset through Gauge : Shows the temperature of the menu. the automatic transmission fluid in either degrees Celsius (°C) or If you try to use the HUD image ECO Index : Provides feedback on degrees Fahrenheit (°F). as a parking aid, you may the efficiency of current driving misjudge the distance and behavior. The bar graph shows a Head-Up Display (HUD) damage your vehicle. Do not use value that is based on current fuel the HUD image as a parking aid. consumption compared to what is expected from the vehicle with good { Warning and bad driving habits. The HUD information can be If the HUD image is too bright or displayed in various languages. The Speed Signs : Shows sign too high in your field of view, it speedometer reading and other information, which comes from a may take you more time to see numerical values can be displayed roadway database in the onboard things you need to see when it is in either English or metric units. navigation. dark outside. Be sure to keep the The language selection is changed Off Road : Displays vehicle pitch HUD image dim and placed low in through the radio and the units of and roll information, road wheel your field of view. measurement is changed through angle, and four-wheel drive (4WD) the instrument cluster. See Vehicle status. 0 If equipped with HUD, some Personalization 146 and "Options" Following Distance : The following under Instrument Cluster (Base and information concerning the 0 distance to a moving vehicle ahead Midlevel) 115 or operation of the vehicle is projected 0 in your path is indicated in following onto the windshield. The information Instrument Cluster (Uplevel) 119. time in seconds. See Forward is projected through the HUD lens Collision Alert (FCA) System 0 231. on the driver side of the instrument Blank Page : Shows no panel and focused out toward the information. front of the vehicle. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 143 . Low Fuel ! : Press to select the display Some vehicle messages or alerts view. Each press will change the displayed in the HUD may be display view. cleared by using the steering wheel D : Lift and hold to brighten the controls. See Vehicle Messages display. Press and hold to dim the 0 145. display. Continue to hold to turn the display off. The HUD image will automatically dim and brighten to compensate for outside lighting. The HUD brightness control can also be HUD Display on the Windshield adjusted as needed. The HUD image can temporarily The HUD may display some of the The HUD control is to the left of the light up depending on the angle and following vehicle information and steering wheel. vehicle messages or alerts: position of sunlight on the HUD To adjust the HUD image: display. This is normal. . Speed 1. Adjust the driver seat. Polarized sunglasses could make . Tachometer 2. Start the engine. the HUD image harder to see. . Audio 3. Use the following settings to HUD Views . Phone adjust the HUD. There are four views in the HUD. . Navigation $ : Press or lift to center the HUD Some vehicle information and vehicle messages or alerts may be . Collision Alert image. The HUD image can only be adjusted up and down, not side displayed in any view. . Adaptive Cruise Control and set to side. speed . Lane Departure Warning/Lane Keep Assist GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

144 Instruments and Controls

Metric Metric Metric

English English English Speed View : This displays digital Audio/Phone View : This displays Navigation View : This displays speed in English or metric units, digital speed, indicators from speed digital speed, indicators from speed speed limit, vehicle ahead indicator, view along with audio/phone view along with Turn-by-Turn Lane Departure Warning/Lane Keep information. The current radio Navigation information in some Assist, and Adaptive Cruise Control station, media type, and incoming vehicles. The compass heading is and set speed. Some information calls will be displayed. displayed when navigation routing is only appears on vehicles that have All HUD views may briefly display not active. these features, and when they are audio information when the steering Navigation Turn-by-Turn Alerts active. wheel controls are used to adjust shown in the instrument cluster may the audio settings appearing in the also be displayed in any HUD view. instrument cluster. Incoming phone calls may display in any HUD view. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 145 HUD Troubleshooting Vehicle Messages If you cannot see the HUD image Messages displayed on the DIC when the ignition is on, check that: indicate the status of the vehicle or . Nothing is covering the some action that may be needed to HUD lens. correct a condition. Multiple messages may appear one after Metric . The HUD brightness setting is not too dim or too bright. another. The messages that do not require . The HUD is adjusted to the proper height. immediate action can be acknowledged and cleared by . Polarized sunglasses are pressing V. The messages that not worn. require immediate action cannot be . The windshield and HUD lens cleared until that action is English are clean. performed. Performance View : This displays If the HUD image is not correct, All messages should be taken digital speed, indicators from speed contact your dealer. seriously; clearing the message view along with rpm reading, does not correct the problem. transmission positions, and gear The windshield is part of the HUD shift indicator (if equipped). system. See Windshield If a SERVICE message appears, Replacement 0 286. see your dealer. Care of the HUD Follow the instructions given in the Clean the inside of the windshield messages. The system displays as needed to remove any dirt or film messages regarding the following that could reduce the sharpness or topics: clarity of the HUD image. . Service Messages Clean the HUD lens with a soft cloth . Fluid Levels sprayed with glass cleaner. Wipe the lens gently, then dry it. . Vehicle Security GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

146 Instruments and Controls . Brakes be reduced the next time the vehicle Vehicle . Steering is driven. The vehicle may be driven while this message is on, but Personalization . Ride Control Systems maximum acceleration and speed The following are all possible may be reduced. Anytime this . Driver Assistance Systems vehicle personalization features. message stays on, or displays Depending on the vehicle, some . Cruise Control repeatedly, the vehicle should be may not be available. . Lighting and Bulb Replacement taken to your dealer for service as soon as possible. For System, Apps, and Personal . Wiper/Washer Systems features and functions, see Under certain operating conditions, Settings in the infotainment . Doors and Windows propulsion will be disabled. Try “ ” manual. . Seat Belts restarting after the vehicle has been off for 30 seconds. To access the vehicle . Airbag Systems personalization menu: . Engine and Transmission Vehicle Speed Messages 1. Touch the Settings icon on the . Tire Pressure Home Page of the infotainment SPEED LIMITED TO XXX display. . Battery KM/H (MPH) 2. Touch Vehicle to display a list Engine Power Messages This message shows that the of available options. vehicle speed has been limited to ENGINE POWER IS REDUCED the speed displayed. The limited 3. Touch to select the desired speed is a protection for various feature setting. This message displays when the propulsion and vehicle systems, vehicle's propulsion power is 4. Touch 9 or R to turn a feature such as lubrication, thermal, brakes, off or on. reduced. A reduction in propulsion suspension, Teen Driver if power can affect the vehicle's ability equipped, or tires. 5. Touch z to go to the top level to accelerate. If this message is on, of the Settings menu. but there is no observed reduction in performance, proceed to your destination. The performance may GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 147 The menu may contain the Auto Cooled Seats Auto Rear Defog following: This setting automatically turns on This setting automatically turns the Rear Seat Reminder and regulates the ventilated seats rear defogger on when the engine is when the cabin temperature is started. This allows for a chime and a warm. See Heated and Ventilated Touch Off or On. message when the rear door has Front Seats 0 49. been opened before or during Collision / Detection Systems operation of the vehicle. Touch Off or On. Auto Heated Seats Touch and the following may Touch Off or On. display: Climate and Air Quality This setting automatically turns on and regulates the heated seats . Alert Type Touch and the following may when the cabin temperature is cool. . Forward Collision System display: The auto heated seats can be . Front Pedestrian Detection . Auto Fan Speed turned off by using the heated seat buttons on the center stack. See . Adaptive Cruise Go Notifier . Auto Cooled Seats Heated and Ventilated Front Seats . Lane Change Alert . Auto Heated Seats 0 49. . Rear Cross Traffic Alert . Auto Defog If equipped with Auto Heated Steering Wheel, this feature will turn Alert Type . Auto Rear Defog on when the Auto Heated Seats This setting specifies the type of Auto Fan Speed turn on. vehicle feedback provided, either a This setting specifies the amount of Touch Off or On. beep or seat vibration, when you airflow when the climate control fan are in danger of colliding with an Auto Defog setting is Auto Fan. object. This setting automatically turns the Touch Low, Medium, or High. Touch Beeps or Safety Alert Seat. front defogger on when the engine is started. Touch Off or On. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

148 Instruments and Controls Forward Collision System Touch Off or On. . Hands Free Liftgate/Trunk Control This setting controls the vehicle Lane Change Alert response when detecting a vehicle . Reverse Tilt Mirror This setting specifies if an alert will ahead of you. The Off setting . Remote Mirror Folding disables all FCA and AEB functions. display on the outside mirror to help With the Alert and Brake setting, you avoid crashing into a vehicle in . Auto Wipe in Reverse Gear your blind spot, or rapidly both FCA and AEB are available. . Extended Hill Start Assist The Alert setting disables AEB. See approaching your blind spot, during Automatic Emergency Braking a lane change maneuver. See Lane Chime Volume 0 Change Alert (LCA) 0 238. (AEB) 234. This setting determines the chime Touch Off, Alert, or Alert and Brake. When Lane Change Alert is volume level. disabled, Side Blind Zone Alert is Front Pedestrian Detection also disabled. Touch the controls on the infotainment display to adjust the This feature may help avoid or Touch Off or On. volume. reduce the harm caused by front-end crashes with nearby Rear Cross Traffic Alert Hands Free Liftgate/Trunk Control pedestrians. This setting specifies if an alert will The liftgate may be operated with a See Front Pedestrian Braking (FPB) display when the vehicle detects kicking motion under the rear System 0 236. approaching rear cross traffic when bumper left of the trailer hitch cover. in R (Reverse). See Assistance See Liftgate 0 21. Select Off, Alert, or Alert and Brake. Systems for Parking or Backing 0 227. Select Off, On-Open and Close, Adaptive Cruise Go Notifier or On-Open Only. Touch Off or On. This setting determines if an alert Reverse Tilt Mirror will appear when Adaptive Cruise Comfort and Convenience Control brings the vehicle to a When on, both the driver and complete stop and the vehicle Touch and the following may passenger, driver, or passenger ahead of you starts moving again. display: outside mirrors will tilt downward See Adaptive Cruise Control 0 216. . Chime Volume when the vehicle is shifted to R (Reverse) to improve visibility of GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 149 the ground near the rear wheels. Touch Extended Hold or . Auto Door Unlock They will return to their previous Standard Hold. . Delayed Door Lock driving position when the vehicle is shifted out of R (Reverse) or the Lighting Open Door Anti Lock Out engine is turned off. See Reverse Touch and the following may 0 This setting prevents the driver door Tilt Mirrors 33. display: from locking when the door is open. Touch Off, On - Driver and . Vehicle Locator Lights If this setting is on, the Delayed Passenger, On - Driver, or On - Door Lock menu will not be Passenger. . Exit Lighting available. Remote Mirror Folding Vehicle Locator Lights Touch Off or On. When on, the outside mirrors will This setting flashes the headlamps Auto Door Unlock of your vehicle when you press K automatically fold or unfold when This setting allows selection of the Remote Keyless Entry (RKE) on the Remote Keyless Entry (RKE) transmitter. which doors will automatically transmitter Q or K is pressed and unlock when the vehicle is shifted held on. Touch Off or On. into P (Park). Touch Off or On. Exit Lighting Touch Off, All Doors, or Driver Door. Auto Wipe in Reverse Gear This setting specifies how long the Delayed Door Lock When on and the front wiper is on, headlamps stay on after the vehicle is turned off and exited. This setting delays the locking of the rear wiper will automatically the vehicle’s doors. activate when the vehicle is shifted Touch Off, 30 Seconds, 60 Seconds, to R (Reverse). or 120 Seconds. Touch Off or On. Select Off or On. Power Door Locks Remote Lock, Unlock, Start Extended Hill Start Assist Touch and the following may Touch and the following may display: This allows the duration of the Hill display: Start Assist to be changed. . Open Door Anti Lock Out . Remote Unlock Light Feedback . Remote Lock Feedback GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

150 Instruments and Controls . Remote Door Unlock Touch All Doors or Driver Door. Passive Door Unlock . Remote Start Auto Cool Seats Remote Start Auto Cool Seats This setting specifies which doors . Remote Start Auto Heat Seats unlock when using the button on the This setting automatically turns on driver door handle to unlock the . Remote Window Operation the ventilated seats when using the vehicle. remote start function on warm days. . Passive Door Unlock See Heated and Ventilated Front Touch Off, All Doors, or Driver . Passive Door Lock Seats 0 49 and Door Only. Remote Vehicle Start 0 15. . Remote Left in Vehicle Alert Passive Door Lock Touch Off or On. Remote Unlock Light Feedback This setting specifies if the vehicle Remote Start Auto Heat Seats will automatically lock, or lock and This setting flashes the exterior provide an alert after all the doors lamps when the vehicle is unlocked This setting automatically turns on are closed, and you walk away from with the RKE transmitter. the heated seats when using the the vehicle with the RKE transmitter. remote start function on cold days. Touch Off or Flash Lights. See Remote Keyless Entry (RKE) See Heated and Ventilated Front System Operation 0 8. Remote Lock Feedback Seats 0 49 and Remote Vehicle Start 0 15. Touch Off, On with Horn This setting specifies how the Chirp, or On. vehicle responds when the vehicle Touch Off or On. Remote Left in Vehicle Alert is locked with the RKE transmitter. Remote Window Operation This feature sounds an alert when Touch Off, Lights and Horn, Lights If equipped, this feature enables Only, or Horn Only. the RKE transmitter is left in the remote operation of the windows vehicle. This menu also enables Remote Door Unlock with the RKE transmitter. See Remote No Longer in Vehicle Alert. Remote Keyless Entry (RKE) This setting specifies whether all System Operation 0 8. Touch Off or On. doors, or just the driver door, unlock when pressing K on the RKE Touch Off or On. transmitter. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 151 Seating Position Teen Driver Universal Remote Touch and the following may See “Teen Driver” under “Settings” System display: in the infotainment manual. See Radio Frequency Statement . Seat Entry Memory Valet Mode 0 380. . Seat Exit Memory This will lock the infotainment Seat Entry Memory system and steering wheel controls. Universal Remote System It may also limit access to vehicle Programming This feature automatically recalls storage locations, if equipped. the previously stored 1 or 2 button positions when the ignition is To enable valet mode: changed from off to on or ACC/ 1. Enter a four-digit code on the ACCESSORY. See Memory Seats keypad. 0 46. 2. Touch Enter to go to the Touch Off or On. confirmation screen. Seat Exit Memory 3. Re-enter the four-digit code. This feature automatically recalls Touch Lock or Unlock to lock or the previously stored exit button unlock the system. Touch Back to positions when the ignition is go back to the previous menu. changed from on or ACC/ ACCESSORY to off if the driver door is open or opened. See If equipped, these buttons are in the Memory Seats 0 46. overhead console. Touch Off or On. This system can replace up to three remote control transmitters used to activate devices such as garage door openers, security systems, and home automation devices. These GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

152 Instruments and Controls instructions refer to a garage door Make sure the hand-held transmitter 2. At the same time, press and opener, but can be used for other has a new battery for quicker and hold both the hand-held devices. more accurate transmission of the transmitter button and one of Do not use the Universal Remote radio-frequency signal. the three Universal Remote system with any garage door opener system buttons to be used to Programming the Universal operate the garage door. Do that does not have the stop and Remote System reverse feature. This includes any not release either button until garage door opener model For questions or programming help, the indicator light changes from manufactured before April 1, 1982. see www.homelink.com/gm or call a slow to a rapid flash. Then 1-800-355-3515. For calls placed release both buttons. Read these instructions completely outside the U.S., Canada, or Puerto Some garage door openers before programming the Universal Rico, international rates will apply Remote system. It may help to have may require substitution of and may differ based on landline or Step 2 with the procedure another person assist with the mobile phone. programming process. under “Radio Signals for Some Programming involves Gate Operators” later in this Keep the original hand-held time-sensitive actions, and may time section. transmitter for use in other vehicles out causing the procedure to be 3. Press and hold the newly as well as for future programming. repeated. Erase the programming when programmed Universal Remote vehicle ownership is terminated. To program up to three devices: system button for five seconds while watching the indicator See “Erasing Universal Remote 1. Hold the end of the hand-held light and garage door System Buttons” later in this transmitter about 3 to 8 cm activation. section. (1 to 3 in) away from the To program a garage door opener, Universal Remote system . If the indicator light stays on park outside directly in line with and buttons with the indicator light continuously or the garage facing the garage door opener in view. The hand-held door moves when the receiver. Clear all people and transmitter was supplied by the button is pressed, then objects near the garage door. manufacturer of the garage programming is complete. door opener receiver. There is no need to complete Steps 4–6. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Instruments and Controls 153 . If the indicator light does 4. After completing Steps 1–3, The Universal Remote system not come on or the garage locate the Learn or Smart should now activate the door does not move, a button inside the garage on the garage door. second button press may garage door opener receiver. Repeat the process for be required. For a second The name and color of the programming the two remaining time, press and hold the button may vary by buttons. newly programmed button manufacturer. for five seconds. If the light 5. Press and release the Learn or Radio Signals for Some Gate stays on or the garage door Smart button. Step 6 must be Operators moves, programming is completed within 30 seconds of complete. For questions or programming help, pressing this button. see www.homelink.com/gm or call . If the indicator light blinks 6. Inside the vehicle, press and 1-800-355-3515. For calls placed rapidly for two seconds, hold the newly programmed outside the U.S., Canada, or Puerto then changes to a solid light Universal Remote system Rico, international rates will apply and the garage door does button for two seconds, then and may differ based on landline or not move, continue with release it. If the garage door mobile phone. programming Steps 4–6. does not move or the lamp on Some radio-frequency laws and the garage door opener gate operators require transmitter receiver does not flash, press signals to time out or quit after and hold the same button a several seconds of transmission. second time for two seconds, This may not be long enough for the then release it. Again, if the Universal Remote system to pick up door does not move or the the signal during programming. garage door lamp does not flash, press and hold the same If the programming did not work, button a third time for replace Step 2 under “Programming Learn or Smart Button two seconds, then release it. the Universal Remote System” with the following: GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

154 Instruments and Controls Press and hold the Universal Erasing Universal Remote Remote system button while System Buttons pressing and releasing the hand-held transmitter button every Erase all programmed buttons when two seconds until the signal has vehicle ownership is terminated. been successfully accepted by the To erase: Universal Remote system. The 1. Press and hold the two outside Universal Remote system indicator buttons until the indicator light light will flash slowly at first and then begins to flash. This should rapidly. Proceed with Step 3 under take about 10 seconds. “Programming the Universal Remote System” to complete. 2. Release both buttons. Universal Remote System Reprogramming a Single Universal Remote System Operation Button Using the Universal Remote To reprogram any of the system System buttons: Press and hold the appropriate 1. Press and hold any one of the Universal Remote system button for buttons. Do not release the at least one-half second. The button. indicator light will come on while the 2. The indicator light will begin to signal is being transmitted. flash after 20 seconds. Without releasing the button, proceed with Step 1 under “Programming the Universal Remote System.” GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Lighting 155 Lighting Features Exterior Lighting Lighting Entry Lighting ...... 161 Exit Lighting ...... 161 Exterior Lamp Controls Exterior Lighting Battery Load Management . . . 162 Battery Power Protection . . . . . 162 Exterior Lamp Controls ...... 155 Exterior Lighting Battery Exterior Lamps Off Saver ...... 163 Reminder ...... 157 Headlamp High/Low-Beam Changer ...... 157 Flash-to-Pass ...... 157 Daytime Running Lamps (DRL) ...... 157 The exterior lamp control is on the Automatic Headlamp turn signal lever. System ...... 158 Turn the control to the following Hazard Warning Flashers . . . . . 159 positions: Turn and Lane-Change Signals ...... 159 O : Turns the exterior lamps off and Fog Lamps ...... 159 deactivates the AUTO mode. Turn to O again to reactivate the Interior Lighting AUTO mode. Instrument Panel Illumination Control ...... 160 In Canada, the headlamps will Courtesy Lamps ...... 160 automatically reactivate when the Dome Lamps ...... 160 vehicle is shifted out of P (Park). Reading Lamps ...... 161 AUTO : Automatically turns the exterior lamps on and off, depending on outside lighting. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

156 Lighting ; : Turns on the parking lamps Turning On and Enabling The high-beam headlamps remain including all lamps, except the IntelliBeam on, under the automatic control, headlamps. until one of the following situations occurs: 2 : Turns on the headlamps together with the parking lamps and . The system detects an instrument panel lights. approaching vehicle's headlamps. ® IntelliBeam System . The system detects a preceding If equipped, this system turns the vehicle's taillamps. vehicle's high-beam headlamps on To enable the IntelliBeam system, press the button on the end of the . The outside light is bright and off according to surrounding enough that high-beam traffic conditions. turn signal lever when the exterior 2 headlamps are not required. The system turns the high-beam lamp control is in the AUTO or position. The blue high-beam on . The vehicle's speed drops below headlamps on when it is dark 20 km/h (12 mph). enough and there is no other traffic light appears on the instrument present. cluster when the high beams are on. . The IntelliBeam system is Driving with IntelliBeam disabled by the button on the This light b comes on in the turn signal lever. If this happens, instrument cluster when the The system only activates the high press the button on the end of IntelliBeam system is enabled. beams when driving over 40 km/h the turn signal lever when the (25 mph). exterior lamp control is in the There is a sensor near the top AUTO or 2 position. The center of the windshield that instrument cluster light will come automatically controls the system. on to indicate the IntelliBeam is Keep this area of the windshield reactivated. clear of debris to allow for best system performance. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Lighting 157 The high beams may not turn off The automatic high-beam Flash-to-Pass automatically if the system cannot headlamps may need to be disabled detect another vehicle's lamps if any of the above conditions exist. This feature is used to signal to the because of any of the following: vehicle ahead that you want to pass. . The other vehicle's lamps are Exterior Lamps Off missing, damaged, obstructed Reminder If the headlamps are off or in the from view, or otherwise low-beam position, pull the turn undetected. A warning chime sounds if the driver signal lever toward you to door is opened while the ignition is momentarily switch to high beams. . The other vehicle's lamps are off and the exterior lamps are on. covered with dirt, snow, and/or Release the lever to turn the road spray. Headlamp High/ high-beam headlamps off. . The other vehicle's lamps cannot Low-Beam Changer Daytime Running be detected due to dense exhaust, smoke, fog, snow, road 3 : Push the turn signal lever away Lamps (DRL) spray, mist, or other airborne from you and release, to turn the DRL can make it easier for others to obstructions. high beams on. To return to low see the front of your vehicle during beams, push the lever again or pull the day. Fully functional DRL are . The vehicle's windshield is dirty, it toward you and release. cracked, or obstructed by required on all vehicles first sold in something that blocks the view Canada. of the light sensor. If equipped, the DRL will come on . The vehicle is loaded such that when all of the following conditions the front end points upward, are met: causing the light sensor to aim . The ignition is on. high and not detect headlamps and taillamps. . The exterior lamp control is This indicator light turns on in the in AUTO. . Driving on winding or hilly roads. instrument cluster when the high-beam headlamps are on. . The light sensor determines it is daytime. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

158 Lighting . The parking brake is released or panel brightness control is in the full the vehicle is not in P (Park). bright position. See Instrument 0 When the DRL are on, the taillamps Panel Illumination Control 160. and other lamps will not be on. When it is bright enough outside, The DRL turn off when the the headlamps will turn off or may change to DRL. headlamps are turned to O or the ignition is off. For vehicles first sold The automatic headlamp system in Canada, the DRL can only be turns off when the exterior lamp turned off when the vehicle is control is turned to O or the ignition parked. is off. For vehicles sold in Canada, this Automatic Headlamp There is a light sensor on top of the control only works when the System instrument panel. Do not cover the transmission is in P (Park). When the exterior lamp control is sensor. Lights On with Wipers set to AUTO and it is dark enough The system may also turn on the If the windshield wipers are outside, the headlamps come on headlamps when driving through a activated in daylight with the engine automatically. parking garage or tunnel. on, and the exterior lamp control is If the vehicle is started in a dark in AUTO, the headlamps, parking garage, the automatic headlamp lamps, and other exterior lamps system comes on immediately. If it come on. The transition time for the is light outside when the vehicle lamps coming on varies based on leaves the garage, there is a slight wiper speed. When the wipers are delay before the automatic not operating, these lamps turn off. headlamp system changes to the Move the exterior lamp control to O Daytime Running Lamps (DRL). or ; to disable this feature. During that delay, the instrument cluster may not be as bright as usual. Make sure the instrument GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Lighting 159 Hazard Warning Flashers Turn and Lane-Change If after signaling a turn or lane change, the arrow flashes rapidly or Signals does not come on, a signal bulb may be burned out. Replace any burned out bulbs. If a bulb is not burned out, check the fuse. See Fuses and Circuit Breakers 0 289. Fog Lamps Move the lever all the way up or down to signal a turn. An arrow on the instrument cluster flashes in the direction of the turn or lane change. | : Press this button to make the Raise or lower the lever until the front and rear turn signal lamps arrow starts to flash to signal a lane flash on and off. This warns others change. Hold it there until the lane Use the fog lamps for better vision that you are having trouble. Press change is completed. If the lever is in foggy or misty conditions. again to turn the flashers off. briefly pressed and released, the # The turn signals do not work while turn signal flashes three times. : Turn the band down and the hazard warning flashers are on. release to turn the fog lamps on or The turn and lane-change signal off. A light comes on in the can be turned off manually by instrument cluster when the fog moving the lever back to its original lamps are in use. The ignition must position. be on for the fog lamps to work. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

160 Lighting When the headlamps are changed Interior Lighting Dome Lamps to high beam, the fog lamps turn off. The fog lamps come back on again when the high-beam headlamps are Instrument Panel turned off. Illumination Control Some localities have laws that require the headlamps to be on along with the fog lamps.

The brightness of the instrument The dome lamp is in the overhead panel lighting and steering wheel console. controls can be adjusted. To operate, press the following buttons: D : Move the thumbwheel up or down to brighten or dim the lights. j OFF : Press to turn off the dome lamps when a door is open. Courtesy Lamps An indicator light on the button will turn on when the dome lamp The courtesy lamps come on when any door is opened unless the dome override is activated. Press j lamp override is activated. To OFF again to deactivate this feature deactivate the dome lamp override, and the indicator light will turn off. The dome lamps will come on when press j OFF and the indicator the doors are opened. light on the button will turn off. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Lighting 161 + ON/OFF : Press to turn the dome Lighting Features lamps on manually. Reading Lamps Entry Lighting Some exterior lamps and most of There are front and rear reading the interior lights turn on briefly at lamps on the overhead console and night, or in areas of limited lighting in the headliner. These lamps come on when any door is opened. when K is pressed on the Remote Keyless Entry (RKE) transmitter. Rear Reading Lamps See Remote Keyless Entry (RKE) Press the buttons to turn the rear System Operation 0 8. When the passenger reading lamps on or off. driver door is opened, all control lights, Driver Information Center (DIC) lights, and door pocket lights turn on. After about 30 seconds the exterior lamps turn off, then the remaining interior lights dim to off. Entry lighting can be disabled manually by turning the ignition on or to ACC/ACCESSORY, or by pressing Q on the RKE transmitter. Front Reading Lamps This feature can be changed. See Press the lamp lenses to turn the “Vehicle Locator Lights” under front reading lamps on or off. Vehicle Personalization 0 146. Exit Lighting Some exterior lamps and interior lights come on at night, or in areas with limited lighting, when the driver GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

162 Lighting door is opened after the ignition is Center (DIC), you may see the Normally, these actions occur in turned off. The dome lamp comes voltage move up or down. This is steps or levels, without being on after the ignition is turned off. normal. If there is a problem, an noticeable. In rare cases at the The exterior lamps and dome lamp alert will be displayed. highest levels of corrective action, remain on for a set amount of time, The battery can be discharged at this action may be noticeable to the then automatically turn off. idle if the electrical loads are very driver. If so, a DIC battery voltage The exterior lamps turn off high. This is true for all vehicles. and charging message displays. It is immediately by turning the exterior This is because the generator recommended that the driver reduce lamp control off. (alternator) may not be spinning fast the electrical loads as much as enough at idle to produce all of the possible. See Driver Information This feature can be changed. See Center (DIC) (Base) 0 137 or Vehicle Personalization 0 146. power needed for very high electrical loads. Driver Information Center (DIC) (Midlevel and Uplevel) 0 139. Battery Load A high electrical load occurs when several of the following are on, such Battery Power Protection Management as: headlamps, high beams, rear The vehicle has Electric Power window defogger, climate control fan The battery saver feature is Management (EPM) that estimates at high speed, heated seats, engine designed to protect the vehicle's the battery's temperature and state cooling fans, trailer loads, and loads battery. of charge. It then adjusts the voltage plugged into accessory power If some interior lamps are left on for best performance and extended outlets. and the ignition is turned off, the life of the battery. EPM works to prevent excessive battery rundown protection system When the battery's state of charge discharge of the battery. It does this automatically turns the lamp off after is low, the voltage is raised slightly by balancing the generator's output some time. to quickly bring the charge back up. and the vehicle's electrical needs. When the state of charge is high, It can increase engine idle speed to the voltage is lowered slightly to generate more power whenever prevent overcharging. If the vehicle needed. It can temporarily reduce has a voltmeter gauge or a voltage the power demands of some display on the Driver Information accessories. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Lighting 163 Exterior Lighting Battery Saver The exterior lamps turn off about 10 minutes after the ignition is turned off, if the parking lamps or headlamps have been manually left on. This protects against draining the battery. To restart the 10-minute timer, turn the exterior lamp control to the off position and then back to the parking lamp or headlamp position. To keep the lamps on for more than 10 minutes, the ignition must be on or in ACC/ACCESSORY. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

164 Infotainment System Infotainment Introduction System Infotainment See the infotainment manual for Introduction information on the radio, audio Infotainment ...... 164 players, phone, navigation system, and voice or speech recognition. It also includes information on settings. Active Noise Cancellation (ANC) If equipped, ANC reduces engine noise in the vehicle’s interior. ANC requires the factory-installed audio system, radio, speakers, amplifier (if equipped), induction system, and exhaust system to work properly. Deactivation is required by your dealer if related aftermarket equipment is installed. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Climate Controls 165 Climate Controls Climate Control Systems

Climate Control Systems Dual Automatic Climate Control System Dual Automatic Climate With this system the heating, cooling, and ventilation in the vehicle can be Control System ...... 165 controlled. Rear Climate Control System ...... 169 Air Vents Air Vents ...... 171 Maintenance Passenger Compartment Air Filter ...... 172 Service ...... 172

1. Driver Temperature Control 7. SYNC (Synchronized 2. A/C (Air Conditioning) Temperature) 3. Air Delivery Mode Controls 8. Rear Window Defogger 4. Fan Control 9. Power Button 5. Defrost 10. Air Recirculation 6. Passenger Temperature 11. AUTO (Automatic Operation) Control GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

166 Climate Controls Climate Control Display The fan, air delivery mode, air Automatic Operation conditioning, driver and passenger The system automatically controls temperatures, and Sync settings the following four functions to heat can be controlled by touching or cool the vehicle to the desired CLIMATE on the infotainment Home temperature: Page or the climate button in the climate control display application . Fan Speed tray. A selection can then be made . Air Delivery Mode on the front climate control page displayed. See the infotainment . Air Conditioning manual. . Recirculation Climate Control Status Display When the AUTO indicator light is lit, all four functions are operating automatically. Each function can be 1. Driver and Passenger manually set and the selected Temperature Settings setting will be shown. This cancels 2. Fan Control full automatic operation and the AUTO indicator light turns off. 3. Driver and Passenger Functions that are not manually set Temperature Controls will continue to be automatically 4. Sync (Synchronized controlled, although the AUTO Temperature) indicator light will not be lit. 5. Recirculation To place the system in automatic mode: 6. Air Delivery Mode Controls 1. Press AUTO. 7. Auto (Automatic Operation) The climate control status display 2. Set the driver and passenger 8. A/C (Air Conditioning) appears briefly when the center temperature. stack climate controls are adjusted. 9. On/Off (Power) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Climate Controls 167 To find your comfort setting, or knob is turned, the climate control The driver side or passenger side start with 22 °C (72 °F) and system will turn on and deliver temperature display shows the allow the system time to airflow per the current setting. temperature setting increasing or stabilize. Then adjust the decreasing. 9 : Turn clockwise or temperature as needed for best Air Delivery Mode Control : Press comfort. counterclockwise to increase or decrease the fan speed. Press the Y, \, [ , or - to change the To improve fuel efficiency and to knob to turn the fan off. direction of the airflow. An indicator cool the vehicle faster, recirculation Press AUTO to return to automatic light comes on in the selected mode may be automatically selected in button. warm weather. operation. Driver and Passenger Changing the mode cancels the The recirculation light will not come automatic operation and the system on when automatically controlled. Temperature Control : The temperature can be adjusted goes into manual mode. Press Press @ to manually select separately for the driver and AUTO to return to automatic recirculation; press it again to select passenger. operation. outside air. Turn the knob clockwise or Y : Air is directed to the instrument Do not cover the solar sensor on the counterclockwise to increase or panel outlets. top of the instrument panel near the decrease the driver or passenger \ : Air is divided between the windshield. This sensor regulates temperature setting. air temperature based on sun load. instrument panel and floor outlets. See “Sensors” later in this section. SYNC : Press to link the passenger Some air is directed toward the and rear climate temperature windshield and side window outlets. Manual Operation settings, if equipped, to the driver [ setting. The SYNC indicator light will : Air is directed to the floor O : Press to turn the climate control turn on. When the passenger or rear outlets, with some to the windshield, system on or off. When the system climate temperature settings are side window outlets, and second is off, outside air will be prevented adjusted, the SYNC indicator light row floor outlets. from entering the vehicle. When the is off. system is on, a button is pressed, - : This mode clears the windows of fog or moisture. Air is directed to the windshield, floor outlets, and GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

168 Climate Controls side window vents. The system used to help reduce outside air and Heated Mirror : If equipped with automatically forces outside air into odors that enter the vehicle. The air heated outside mirrors, the mirrors the vehicle and the air conditioning conditioning compressor also comes heat to help clear fog or frost from compressor will run, unless the on when this mode is activated. the surface of the mirror when the outside temperature is close to rear window defog button is freezing. Rear Window Defogger pressed. See Heated Mirrors 0 33. The rear window defogger uses a : Press to clear the windshield of Remote Start Climate Control 0 warming grid to remove fog from the fog or frost more quickly. Air is Operation : If equipped with remote rear window. directed to the windshield and the start, the climate control system side window vents. The air K : Press to turn the rear window may run when the vehicle is started conditioning compressor also comes defogger on or off. An indicator light remotely. The rear defog may come on, unless the outside temperature on the button comes on to show that on during remote start based on is below freezing. the rear window defogger is on. cold ambient conditions. The rear defog indicator light does not come Do not drive the vehicle until all The rear window defogger only on during a remote start. windows are clear. works when the ignition is on. The If equipped, the heated seats will See Air Vents 0 171. defogger turns off if the ignition is turned to off or ACC/ACCESSORY. turn on if it is cold outside or the A/C : Press to turn the air ventilated seats will turn on if it is conditioning system on or off. An hot outside. The heated and indicator light comes on to show Caution ventilated seat indicator lights may that the air conditioning is enabled. Using a razor blade or sharp not come on during a remote start. If the fan is turned off, the air If equipped, the heated steering object to clear the inside rear conditioner will not run. The A/C wheel will come on in a remote start window can damage the rear light will stay on even if the outside if it is cold outside. The heated temperatures are below freezing. window defogger. Repairs would steering wheel indicator light may not be covered by the vehicle not come on. @ : Press to turn on recirculation. warranty. Do not clear the inside An indicator light comes on. Air is rear window with sharp objects. recirculated to quickly cool the inside of the vehicle. It can also be GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Climate Controls 169 Sensors The climate control system uses the information from these sensors to maintain comfort settings by adjusting the outlet temperature, fan speed, and air delivery mode. The system may also supply cooler air to the side of the vehicle facing the sun. The recirculation mode will also be used as needed to maintain cool outlet temperatures. Rear Climate Control System 1. Fan Control If equipped, the rear climate control 2. AUTO (Automatic Operation) The solar sensor, located in the system is on the rear of the center 3. MODE (Air Delivery Mode defrost grille in the middle of the console storage. The rear climate Control) instrument panel, monitors the solar settings can be adjusted with this heat. Do not cover the solar sensor system. 4. TEMP (Temperature Control) or the system will not work properly. 5. Heated Rear Seats (If There is also an exterior Equipped) temperature sensor behind the front grille. This sensor reads the outside air temperature and helps maintain the temperature inside the vehicle. Any cover on the front of the vehicle, could cause a false reading in the displayed temperature. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

170 Climate Controls 6. Rear Auto (Automatic Automatic Operation Operation) AUTO : Touch AUTO or Rear Auto 7. Rear Control Lockout on the display to automatically 8. Air Delivery Mode Control control air delivery and fan speed. A is indicated in the display when REAR O : Touch REAR O to turn automatic operation is active. If any the rear climate control on or off. of the climate control settings are SYNC : Touch SYNC on the display manually adjusted, this cancels full to match the rear climate control automatic operation. temperature to the front climate The display only indicates climate control driver temperature. The control functions when the system is SYNC button will be lit. Adjust the in rear independent mode. When Rear Climate Control Display rear climate control temperature to SYNC is active the display is not 1. Outside Temperature Display change the linked temperature. The shown. SYNC button turns off. 2. Rear Climate Temperature Manual Operation Control Rear Control Lockout : Touch : Turn the knob clockwise or 3. Fan Control Rear Control Lockout on the display 9 to lock or unlock control of the rear counterclockwise, or touch and hold 4. SYNC (Synchronized climate control system from the front the fan control on the display to Temperatures) seat. When locked the rear climate increase or decrease the fan speed. control cannot be adjusted from the 5. REAR O (On/Off) TEMP : Turn the knob clockwise or rear climate controls. counterclockwise, or touch and hold the temperature controls on the display to adjust the rear passenger temperature. If SYNC is lit, the rear climate temperature is linked to the driver temperature setting. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Climate Controls 171 Y/\/Y or MODE : Touch the Air Vents . Clear snow off the hood to desired mode button on the display improve visibility and help or press MODE on the rear climate To adjust the center and side air decrease moisture drawn into controls to change the direction of outlets on the instrument panel, use the vehicle. the slider switch in the center of the the airflow in the rear seating area. . Use of non-GM approved hood outlet to change the direction of the Repeatedly touch MODE until the deflectors can adversely affect airflow and also to shut off the desired mode appears on the the performance of the system. display. airflow. . Keep the path under all seats There may be outlets overhead in M or L : If equipped, press M or L clear of objects to help circulate the rear passenger area; adjust as to heat the left or right outboard the air inside the vehicle more needed. seat. See Heated Rear Seats 0 54. effectively. Keep all outlets open whenever Y possible for best system . If fogging reoccurs while in or performance. \ modes with mild temperature throughout the vehicle, turn on Operation Tips the air conditioner to reduce . Clear away any ice, snow, windshield fogging. or leaves from the air inlets at the base of the windshield that can block the flow of air into the vehicle. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

172 Climate Controls Maintenance conditioning evaporator should never be repaired or replaced by one from a salvage vehicle. Passenger Compartment It should only be replaced by a new Air Filter evaporator to ensure proper and safe operation. The passenger compartment air filter reduces dust, pollen, and other During service, all refrigerants airborne irritants from outside air should be reclaimed with proper that is pulled into the vehicle. The equipment. Venting refrigerants filter will need to be replaced directly to the atmosphere is harmful periodically. See Maintenance to the environment and may also Schedule 0 353. create unsafe conditions based on inhalation, combustion, frostbite, Using the climate control system or other health-based concerns. without an air filter installed is not recommended. Water or other The air conditioning system requires debris could enter the system and periodic maintenance. See result in leaks or noises. Always Maintenance Schedule 0 353. install a new filter when removing the old filter. For more information on filter replacement, see your dealer. 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 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 173 Retained Accessory Ride Control Systems Driving and Power (RAP) ...... 196 Traction Control/Electronic Operating Shifting Into Park ...... 197 Stability Control ...... 209 Shifting out of Park ...... 198 Hill Descent Control (HDC) . . . 211 Parking over Things Driver Mode Control ...... 212 That Burn ...... 199 Driving Information Cruise Control Driving for Better Fuel Active Fuel Management . . . . . 199 Extended Parking ...... 200 Cruise Control ...... 214 Economy ...... 174 Adaptive Cruise Control ...... 216 Distracted Driving ...... 174 Engine Exhaust Defensive Driving ...... 175 Engine Exhaust ...... 200 Driver Assistance Systems Drunk Driving ...... 175 Running the Vehicle While Driver Assistance Systems . . . 225 Control of a Vehicle ...... 176 Parked ...... 201 Assistance Systems for Braking ...... 176 Parking or Backing ...... 227 Steering ...... 176 Automatic Transmission Assistance Systems for Off-Road Recovery ...... 177 Automatic Transmission ...... 201 Driving ...... 231 Loss of Control ...... 177 Manual Mode ...... 205 Forward Collision Alert (FCA) Off-Road Driving ...... 178 Tow/Haul Mode ...... 206 System ...... 231 Driving on Wet Roads ...... 182 Automatic Emergency Hill and Mountain Roads . . . . . 183 Drive Systems Braking (AEB) ...... 234 Winter Driving ...... 184 All-Wheel Drive ...... 206 Front Pedestrian Braking If the Vehicle Is Stuck ...... 185 Brakes (FPB) System ...... 236 Vehicle Load Limits ...... 186 Electric Brake Boost ...... 206 Side Blind Zone Starting and Operating Antilock Brake Alert (SBZA) ...... 238 System (ABS) ...... 206 Lane Change Alert (LCA) . . . . . 238 New Vehicle Break-In ...... 190 Lane Keep Assist (LKA) ...... 240 Ignition Positions ...... 190 Electric Parking Brake ...... 207 Starting the Engine ...... 192 Brake Assist ...... 208 Fuel Stop/Start System ...... 193 Hill Start Assist (HSA) ...... 209 Top Tier Fuel ...... 242 Engine Heater ...... 194 Recommended Fuel ...... 242 Prohibited Fuels ...... 243 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

174 Driving and Operating Fuels in Foreign Countries . . . 243 Driving Information . Keep vehicle tires properly Fuel Additives ...... 243 inflated. Filling the Tank ...... 243 Driving for Better Fuel . Combine several trips into a Filling a Portable Fuel single trip. Container ...... 245 Economy . Replace the vehicle's tires with Trailer Towing Driving habits can affect fuel the same TPC Spec number General Towing mileage. Here are some driving tips molded into the tire's sidewall Information ...... 246 to get the best fuel economy near the size. Driving Characteristics and possible. Towing Tips ...... 246 . Follow recommended scheduled . Set the climate controls to the maintenance. Trailer Towing ...... 250 desired temperature after the Towing Equipment ...... 253 engine is started, or turn them Trailer Sway Control (TSC) . . . 256 off when not required. Distracted Driving Conversions and Add-Ons . On AWD vehicles, see Driver Distraction comes in many forms Add-On Electrical Mode Control 0 212. and can take your focus from the Equipment ...... 258 task of driving. Exercise good . Avoid fast starts and accelerate judgment and do not let other smoothly. activities divert your attention away . Brake gradually and avoid from the road. Many local abrupt stops. governments have enacted laws regarding driver distraction. Become . Avoid idling the engine for long familiar with the local laws in periods of time. your area. . When road and weather To avoid distracted driving, keep conditions are appropriate, use your eyes on the road, keep your cruise control. hands on the steering wheel, and . Always follow posted speed focus your attention on driving. limits or drive more slowly when conditions require. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 175 . Do not use a phone in . Avoid stressful conversations . Allow enough following distance demanding driving situations. while driving, whether with a between you and the driver in Use a hands-free method to passenger or on a cell phone. front of you. place or receive necessary . Focus on the task of driving. phone calls. { Warning . Watch the road. Do not read, Drunk Driving take notes, or look up Taking your eyes off the road too information on phones or other long or too often could cause a Death and injury associated with electronic devices. crash resulting in injury or death. drinking and driving is a global Focus your attention on driving. tragedy. . Designate a front seat passenger to handle potential distractions. Refer to the infotainment manual for { Warning more information on using that . Become familiar with vehicle Drinking and then driving is very system and the navigation system, features before driving, such as dangerous. Your reflexes, if equipped, including pairing and programming favorite radio perceptions, attentiveness, and using a cell phone. stations and adjusting climate judgment can be affected by even control and seat settings. Defensive Driving a small amount of alcohol. You Program all trip information into can have a serious — or even any navigation device prior to Defensive driving means “always fatal — collision if you drive after driving. expect the unexpected.” The first drinking. step in driving defensively is to wear . Wait until the vehicle is parked Do not drink and drive or ride with to retrieve items that have fallen the seat belt. See Seat Belts 0 56. a driver who has been drinking. to the floor. . Assume that other road users Ride home in a cab; or if you are . Stop or park the vehicle to tend (pedestrians, bicyclists, and with a group, designate a driver other drivers) are going to be to children. who will not drink. careless and make mistakes. . Keep pets in an appropriate Anticipate what they may do and carrier or restraint. be ready. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

176 Driving and Operating Control of a Vehicle If the engine ever stops while the vehicle is being driven, brake Braking, steering, and accelerating normally but do not pump the are important factors in helping to brakes. Doing so could make the control a vehicle while driving. pedal harder to push down. If the engine stops, there will be some Braking power brake assist but it will be Braking action involves perception used when the brake is applied. time and reaction time. Deciding to Once the power assist is used up, it push the brake pedal is perception can take longer to stop and the time. Actually doing it is brake pedal will be harder to push. reaction time. Steering Average driver reaction time is The vehicle has electric power about three-quarters of a second. In Electric Power Steering steering. It does not have power that time, a vehicle moving at steering fluid. Regular maintenance 100 km/h (60 mph) travels 20 m Caution is not required. (66 ft), which could be a lot of If power steering assist is lost due distance in an emergency. To avoid damage to the steering to a system malfunction, the vehicle Helpful braking tips to keep in mind system, do not drive over curbs, can be steered, but may require include: parking barriers, or similar objects increased effort. at speeds greater than 3 km/h . Keep enough distance between If the steering assist is used for an you and the vehicle in front (1 mph). Use care when driving extended period of time while the of you. over other objects such as lane vehicle is not moving, power assist dividers and speed bumps. may be reduced. . Avoid needless heavy braking. Damage caused by misuse of the . Keep pace with traffic. vehicle is not covered by the vehicle warranty. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 177 If the steering wheel is turned until it . Holding both sides of the 1. Ease off the accelerator and reaches the end of its travel and is steering wheel allows you to turn then, if there is nothing in the held against that position for an 180 degrees without removing way, steer the vehicle so that it extended period of time, power a hand. straddles the edge of the steering assist may be reduced. . The Antilock Brake System pavement. Normal use of the power steering (ABS) allows steering while 2. Turn the steering wheel about assist should return when the braking. one-eighth of a turn, until the system cools down. right front tire contacts the See your dealer if there is a Off-Road Recovery pavement edge. problem. 3. Turn the steering wheel to go straight down the roadway. Curve Tips . Take curves at a reasonable Loss of Control speed. Skidding . Reduce speed before entering a curve. There are three types of skids that correspond to the vehicle's three . Maintain a reasonable steady control systems: speed through the curve. . Braking Skid — wheels are not . Wait until the vehicle is out of rolling. the curve before accelerating gently into the straightaway. . Steering or Cornering Skid — too much speed or steering in a Steering in Emergencies The vehicle's right wheels can drop off the edge of a road onto the curve causes tires to slip and . There are some situations when shoulder while driving. Follow lose cornering force. steering around a problem may these tips: . Acceleration Skid — too much be more effective than braking. throttle causes the driving wheels to spin. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

178 Driving and Operating Defensive drivers avoid most skids by shifting to a lower gear. Any by taking reasonable care suited to sudden changes could cause Warning (Continued) existing conditions, and by not the tires to slide. position. This could cause you to overdriving those conditions. But Remember: Antilock brakes help skids are always possible. lose control and crash. You and avoid only the braking skid. your passengers should always If the vehicle starts to slide, follow wear seat belts. these suggestions: Off-Road Driving . Ease your foot off the All-Wheel Drive (AWD) vehicles can Before Driving Off-Road accelerator pedal and steer the be used for off-road driving. way you want the vehicle to go. Vehicles without AWD and vehicles . Have all necessary maintenance The vehicle may straighten out. not equipped with All Terrain (AT) or and service work completed. Be ready for a second skid if it On-Off Road (OOR) tires must not . Fuel the vehicle, fill fluid levels, occurs. be driven off-road except on a level, and check inflation pressure in . Slow down and adjust your solid surface. To contact the tire all tires, including the spare, driving according to weather manufacturer for more information if equipped. conditions. Stopping distance about the original equipment tires, see the warranty manual. . Read all the information about can be longer and vehicle AWD vehicles in this manual. control can be affected when Controlling the vehicle is the key to traction is reduced by water, successful off-road driving. One of . Make sure all underbody snow, ice, gravel, or other the best ways to control the vehicle shields, if equipped, are properly material on the road. Learn to is to control the speed. attached. recognize warning clues — such . Know the local laws that apply to as enough water, ice, or packed off-road driving. snow on the road to make a { Warning To gain more ground clearance if mirrored surface — and slow When driving off-road, bouncing down when you have any doubt. needed, it may be necessary to and quick changes in direction remove the front fascia lower air . Try to avoid sudden steering, can easily throw you out of dam. However, driving without the acceleration, or braking, (Continued) air dam reduces fuel economy. including reducing vehicle speed GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 179 . Do not park over things that Caution Warning (Continued) burn. See Parking over Things That Burn 0 199. Operating the vehicle for heaviest things should be extended periods without the front on the floor, forward of the Driving on Hills rear axle. fascia lower air dam installed can Driving safely on hills requires good cause improper airflow to the . Heavy loads on the roof judgment and an understanding of engine. Reattach the front fascia raise the vehicle's center of what the vehicle can and cannot do. air dam after off-road driving. gravity, making it more likely to roll over. You can be { Warning Loading the Vehicle for seriously or fatally injured if the vehicle rolls over. Put Off-Road Driving Many hills are simply too steep heavy loads inside the for any vehicle. Driving up hills cargo area, not on the roof. can cause the vehicle to stall. { Warning Driving down hills can cause loss . Unsecured cargo on the For more information about loading of control. Driving across hills can load floor can be tossed the vehicle, see Vehicle Load Limits cause a rollover. You could be about when driving over 0 186. injured or killed. Do not drive on rough terrain. You or your Environmental Concerns steep hills. passengers can be struck . Always use established trails, by flying objects. Secure the Before driving on a hill, assess the cargo properly. roads, and areas that have been set aside for public off-road steepness, traction, and . Keep cargo in the cargo recreational driving and obey all obstructions. If the terrain ahead area as far forward and as posted regulations. cannot be seen, get out of the low as possible. The vehicle and walk the hill before (Continued) . Do not damage shrubs, flowers, driving further. trees, or grasses or disturb wildlife. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

180 Driving and Operating When driving on hills: . When driving down a hill, keep 2. Shift into P (Park) and then . Use a low gear and keep a firm the vehicle headed straight restart the engine. grip on the steering wheel. down. Use a low gear because . If driving uphill when the the engine will work with the . Maintain a slow speed. vehicle stalls, shift to brakes to slow the vehicle and R (Reverse), release the . When possible, drive straight up help keep the vehicle under parking brake, and back or down the hill. control. straight down. . Slow down when approaching . Never try to turn the vehicle the top of the hill. { Warning around. If the hill is steep . Use headlamps even during the Heavy braking when going down enough to stall the vehicle, day to make the vehicle more a hill can cause your brakes to it is steep enough to cause visible. overheat and fade. This could it to roll over. cause loss of control and you or . If you cannot make it up the { Warning others could be injured or killed. hill, back straight down Apply the brakes lightly when the hill. Driving to the top of a hill at high descending a hill and use a low . Never back down a hill in speed can cause a crash. There gear to keep vehicle speed under N (Neutral) using only the could be a drop-off, embankment, control. brake. cliff, or even another vehicle. You could be seriously injured or . The vehicle can roll If the vehicle stalls on a hill: killed. As you near the top of a backward quickly and you could lose control. hill, slow down and stay alert. 1. Apply the brakes to stop the vehicle, and then apply the . If driving downhill when the parking brake. vehicle stalls, shift to a . Never go downhill forward or lower gear, release the backward with the transmission parking brake, and drive in N (Neutral). The brakes could straight down the hill. overheat and you could lose control. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 181 3. If the vehicle cannot be . Hidden obstacles can make the Driving in Mud, Sand, Snow, restarted after stalling, set the steepness of the incline more or Ice parking brake, shift into severe. If a rock is driven across P (Park), and turn the with the uphill wheels, or if the Use a low gear when driving in mud vehicle off. downhill wheels drop into a rut — the deeper the mud, the lower or depression, the vehicle can tilt the gear. Keep the vehicle moving 3.1. Leave the vehicle and to avoid getting stuck. seek help. even more. Traction changes when driving on 3.2. Stay clear of the path the . If an incline must be driven across, and the vehicle starts to sand. On loose sand, such as on vehicle would take if it beaches or sand dunes, the tires rolled downhill. slide, turn downhill. This should help straighten out the vehicle tend to sink into the sand. This . Avoid turns that take the vehicle and prevent the side slipping. affects steering, accelerating, and across the incline of the hill. braking. Drive at a reduced speed A hill that can be driven straight and avoid sharp turns or abrupt up or down might be too steep to { Warning maneuvers. drive across. Driving across an Getting out of the vehicle on the Traction is reduced on hard packed incline puts more weight on the downhill side when stopped snow and ice and it is easy to lose downhill wheels which could across an incline is dangerous. control. Reduce vehicle speed when cause a downhill slide or a If the vehicle rolls over, you could driving on hard packed snow rollover. be crushed or killed. Always get and ice. . Surface conditions can be a out on the uphill side of the problem. Loose gravel, muddy vehicle and stay well clear of the { Warning spots, or even wet grass can rollover path. cause the tires to slip sideways, Driving on frozen lakes, ponds, downhill. If the vehicle slips or rivers can be dangerous. Ice sideways, it can hit something conditions vary greatly and the that will trip it — a rock, a rut, vehicle could fall through the ice; etc. — and roll over. (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

182 Driving and Operating After operation in mud or sand, Warning (Continued) Caution have the brake linings cleaned and checked. These substances can you and your passengers could Do not drive through standing cause glazing and uneven braking. drown. Drive your vehicle on safe water if it is deep enough to cover Check the body structure, steering, surfaces only. the wheel hubs, axles, or exhaust suspension, wheels, tires, and pipe. Deep water can damage the exhaust system for damage and Driving in Water axle and other vehicle parts. check the fuel lines and cooling system for any leakage. If the standing water is not too deep, { Warning More frequent maintenance service drive through it slowly. At faster is required. See Maintenance Driving through rushing water can speeds, water can get into the Schedule 0 353. be dangerous. Deep water can engine and cause it to stall. Stalling sweep your vehicle downstream can occur if the exhaust pipe is Driving on Wet Roads and you and your passengers under water. Do not turn off the ignition when driving through water. Rain and wet roads can reduce could drown. If it is only shallow vehicle traction and affect your water, it can still wash away the If the exhaust pipe is under water, the engine will not start. When going ability to stop and accelerate. ground from under your tires. through water, the brakes get wet, Always drive slower in these types Traction could be lost, and the and it might take longer to stop. See of driving conditions and avoid vehicle could roll over. Do not Driving on Wet Roads 0 182. driving through large puddles and drive through rushing water. deep-standing or flowing water. After Off-Road Driving Remove any brush or debris that has collected on the underbody or chassis, or under the hood. These accumulations can be a fire hazard. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 183 wet enough and you are going fast Hill and Mountain Roads { Warning enough. When the vehicle is hydroplaning, it has little or no Driving on steep hills or through Wet brakes can cause crashes. contact with the road. mountains is different than driving They might not work as well in a on flat or rolling terrain. Tips include: quick stop and could cause There is no hard and fast rule about hydroplaning. The best advice is to . Keep the vehicle serviced and in pulling to one side. You could good shape. lose control of the vehicle. slow down when the road is wet. Other Rainy Weather Tips . Check all fluid levels, brakes, After driving through a large tires, cooling system, and puddle of water or a car/vehicle Besides slowing down, other wet transmission. wash, lightly apply the brake weather driving tips include: . Shift to a lower gear when going pedal until the brakes work . Allow extra following distance. down steep or long hills. normally. . Pass with caution. Flowing or rushing water creates { Warning strong forces. Driving through . Keep windshield wiping flowing water could cause the equipment in good shape. Using the brakes to slow the vehicle to be carried away. If this . Keep the windshield washer fluid vehicle on a long downhill slope happens, you and other vehicle reservoir filled. can cause brake overheating, can occupants could drown. Do not . Have good tires with proper reduce brake performance, and ignore police warnings and be tread depth. See Tires 0 297. could result in a loss of braking. very cautious about trying to drive Shift the transmission to a lower Turn off cruise control. through flowing water. . gear to let the engine assist the . Activate All-Wheel Drive (AWD) brakes on a steep downhill slope. mode. See Driver Mode Control Hydroplaning 0 212. Hydroplaning is dangerous. Water can build up under the vehicle's tires so they actually ride on the water. This can happen if the road is GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

184 Driving and Operating Winter Driving clear roads in shaded areas. { Warning The surface of a curve or an Driving on Snow or Ice overpass can remain icy when Coasting downhill in N (Neutral) Snow or ice between the tires and the surrounding roads are clear. or with the ignition off is Avoid sudden steering dangerous. This can cause the road creates less traction or grip, so drive carefully. Wet ice can maneuvers and braking while overheating of the brakes and on ice. loss of steering assist. Always occur at about 0 °C (32 °F) when freezing rain begins to fall. Avoid . Turn off cruise control. have the engine running and the driving on wet ice or in freezing rain vehicle in gear. . Select All-Wheel Drive (AWD) until roads can be treated. Mode for vehicles equipped with For Slippery Road Driving: AWD. Select Snow/Ice Mode for . Drive at speeds that keep the FWD only vehicles. See Driver vehicle in its own lane. Do not . Accelerate gently. Accelerating Mode Control 0 212 and swing wide or cross the too quickly causes the wheels to All-Wheel Drive 0 206. center line. spin and makes the surface under the tires slick. . Be alert on top of hills; Blizzard Conditions something could be in your lane . Turn on Traction Control. See Stop the vehicle in a safe place and (e.g., stalled car, crash). Traction Control/Electronic signal for help. Stay with the vehicle Stability Control 0 209. . Pay attention to special road unless there is help nearby. signs (e.g., falling rocks area, . The Antilock Brake System If possible, use Roadside (ABS) improves vehicle stability Assistance. See Roadside winding roads, long grades, 0 passing or no-passing zones) during hard stops, but the Assistance Program 374. To get and take appropriate action. brakes should be applied sooner help and keep everyone in the than when on dry pavement. vehicle safe: See Antilock Brake System . Turn on the hazard warning (ABS) 0 206. flashers. . Allow greater following distance . Tie a red cloth to an outside and watch for slippery spots. Icy mirror. patches can occur on otherwise GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 185 If stuck too severely for the traction { Warning Warning (Continued) system to free the vehicle, turn the traction system off and use the Snow can trap engine exhaust the fan speed to the highest rocking method. See Traction under the vehicle. This may setting. See “Climate Control/Electronic Stability Control cause exhaust gases to get Control Systems.” 0 209. inside. Engine exhaust contains For more information about CO, carbon monoxide (CO), which see Engine Exhaust 0 200. cannot be seen or smelled. It can { Warning cause unconsciousness and even If the vehicle's tires spin at high death. To save fuel, run the engine for short periods to warm the vehicle speed, they can explode, and you If the vehicle is stuck in snow: and then shut the engine off and or others could be injured. The vehicle can overheat, causing an . Clear snow from the base of partially close the window. Moving about to keep warm also helps. engine compartment fire or other the vehicle, especially any damage. Spin the wheels as little blocking the exhaust pipe. If it takes time for help to arrive, as possible and avoid going when running the engine, push the . Open a window about 5 cm above 56 km/h (35 mph). (2 in) on the vehicle side accelerator pedal slightly so the that is away from the wind, engine runs faster than the idle to bring in fresh air. speed. This keeps the battery Select All-Wheel Drive (AWD) charged to restart the vehicle and to Mode. See Driver Mode Control . Fully open the air outlets on signal for help with the headlamps. 0 212 and or under the instrument Do this as little as possible, to All-Wheel Drive 0 206. panel. save fuel. Rocking the Vehicle to Get . Adjust the climate control system to circulate the air If the Vehicle Is Stuck it Out inside the vehicle and set Slowly and cautiously spin the Turn the steering wheel left and (Continued) wheels to free the vehicle when right to clear the area around the stuck in sand, mud, ice, or snow. front wheels. Turn off any traction system. Shift back and forth GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

186 Driving and Operating between R (Reverse) and a low properly carry, the Tire and Tire and Loading Information forward gear, spinning the wheels Loading Information label and Label as little as possible. To prevent the Certification/Tire label. transmission wear, wait until the wheels stop spinning before shifting gears. Release the accelerator { Warning pedal while shifting, and press Do not load the vehicle any lightly on the accelerator pedal when the transmission is in gear. heavier than the Gross Slowly spinning the wheels in the Vehicle Weight Rating forward and reverse directions (GVWR), or either the causes a rocking motion that could maximum front or rear Gross free the vehicle. If that does not get Axle Weight Rating (GAWR). the vehicle out after a few tries, it This can cause systems to might need to be towed out. If the break and change the way the vehicle does need to be towed out, Example Label 0 vehicle handles. This could see Towing the Vehicle 338. cause loss of control and a A vehicle-specific Tire and Vehicle Load Limits crash. Overloading can also Loading Information label is reduce stopping distance, attached to the center pillar It is very important to know how damage the tires, and shorten (B-pillar). The tire and loading much weight the vehicle can the life of the vehicle. information label shows the carry. This weight is called the number of occupant seating vehicle capacity weight and positions (1), and the maximum includes the weight of all vehicle capacity weight (2) in occupants, cargo, and all kilograms and pounds. nonfactory-installed options. Two labels on the vehicle may show how much weight it may GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 187 The Tire and Loading 2. Determine the combined exceed the available cargo Information label also shows weight of the driver and and luggage load capacity the size of the original passengers that will be calculated in Step 4. equipment tires (3) and the riding in your vehicle. 6. If your vehicle will be towing recommended cold tire inflation 3. Subtract the combined a trailer, load from your pressures (4). For more weight of the driver and trailer will be transferred to information on tires and inflation 0 passengers from XXX kg or your vehicle. Consult this see Tires 297 and XXX lbs. manual to determine how Tire Pressure 0 305. 4. The resulting figure equals this reduces the available There is also important loading the available amount of cargo and luggage load information on the vehicle cargo and luggage load capacity of your vehicle.” Certification/Tire label. It may capacity. For example, if the See Trailer Towing 0 250 for show the Gross Vehicle Weight "XXX" amount equals important information on towing Rating (GVWR) and the Gross 1400 lbs. and there will be a trailer, towing safety rules and Axle Weight Rating (GAWR) for five 150 lb passengers in trailering tips. the front and rear axle. See your vehicle, the amount of “Certification/Tire Label” later in available cargo and luggage this section. load capacity is 650 lbs. “Steps for Determining Correct (1400-750 (5 x 150) = Load Limit– 650 lbs.) 1. Locate the statement "The 5. Determine the combined combined weight of weight of luggage and cargo occupants and cargo should being loaded on the vehicle. never exceed XXX kg or That weight may not safely XXX lbs." on your vehicle’s placard. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

188 Driving and Operating

Example 1 Example 2 Example 3

1. Vehicle Capacity Weight 1. Vehicle Capacity Weight 1. Vehicle Capacity Weight for Example 1 = 453 kg for Example 2 = 453 kg for Example 3 = 453 kg (1,000 lbs). (1,000 lbs). (1,000 lbs). 2. Subtract Occupant 2. Subtract Occupant 2. Subtract Occupant Weight @ 68 kg (150 lbs) Weight @ 68 kg (150 lbs) Weight @ 91 kg × 2 = 136 kg (300 lbs). × 5 = 340 kg (750 lbs). (200 lbs) × 5 = 453 kg 3. Available Occupant and 3. Available Cargo Weight (1,000 lbs). Cargo Weight = 317 kg = 113 kg (250 lbs). 3. Available Cargo Weight (700 lbs). = 0 kg (0 lbs). GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 189 Refer to the vehicle's tire and The label may show the size of loading information label for the vehicle's original tires and Caution specific information about the the inflation pressures needed to Overloading the vehicle may vehicle's capacity weight and obtain the gross weight capacity cause damage. Repairs would not seating positions. The combined of the vehicle. The label shows be covered by the vehicle weight of the driver, passengers, the gross weight capacity of the warranty. Do not overload the and cargo should never exceed vehicle. This is called the Gross vehicle. the vehicle's capacity weight. Vehicle Weight Rating (GVWR). The GVWR includes the weight Certification/Tire Label of the vehicle, all occupants, fuel, and cargo. { Warning The Certification/Tire label may Things inside the vehicle can also show the maximum weights strike and injure people in a for the front and rear axles, sudden stop or turn, or in a called the Gross Axle Weight crash. Rating (GAWR). To find out the . Put things in the cargo actual loads on the front and area of the vehicle. In the rear axles, weigh the vehicle at cargo area, put them as a weigh station. Your dealer can far forward as possible. help with this. Be sure to spread Try to spread the weight the load equally on both sides of Label Example evenly. the centerline. A vehicle-specific Certification/ (Continued) Tire label is attached to the center pillar (B-pillar). GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

190 Driving and Operating

Warning (Continued) Starting and Caution (Continued) Operating . Never stack heavier breaking-in guideline every things, like suitcases, New Vehicle Break-In time you get new brake inside the vehicle so that linings. some of them are above Following break-in, engine speed Caution the tops of the seats. and load can be gradually increased. . Do not leave an The vehicle does not need an unsecured child restraint elaborate break-in. But it will in the vehicle. perform better in the long run if Ignition Positions you follow these guidelines: . Secure loose items in the vehicle. . Do not drive at any one constant speed, fast or slow, . Do not leave a seat for the first 800 km (500 mi). folded down unless Do not make full-throttle needed. starts. Avoid downshifting to brake or slow the vehicle. . Avoid making hard stops for the first 300 km (200 mi) or so. During this time the new brake linings are not yet broken in. Hard stops with new linings can mean premature wear and earlier The vehicle has an electronic replacement. Follow this keyless ignition with pushbutton (Continued) start. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 191 The Remote Keyless Entry (RKE) and display the message SHIFT TO 4. Set the parking brake. See transmitter must be in the vehicle for PARK in the Driver Information Electric Parking Brake 0 207. the system to operate. If the Center (DIC). When the vehicle is And press ENGINE START/ pushbutton start is not working, the shifted into P (Park), the ignition will STOP to turn the vehicle off. vehicle may be near a strong radio turn off. antenna signal causing interference Do not turn the engine off when the { Warning to the Remote Keyless Entry (RKE) vehicle is moving. This will cause a system. See Remote Keyless Entry Turning off the vehicle while 0 loss of power assist in the brake (RKE) System Operation 8. and steering systems and disable moving may cause loss of power To shift out of P (Park), the vehicle the airbags. assist in the brake and steering systems and disable the airbags. must be on and the brake pedal If the vehicle must be shut off in an While driving, only shut the must be applied. emergency: vehicle off in an emergency. Stopping the Engine/LOCK/ 1. Brake using a firm and steady OFF (No Indicator Lights) : When pressure. Do not pump the the vehicle is stopped, press brakes repeatedly. This may If the vehicle cannot be pulled over, ENGINE START/STOP once to turn deplete power assist, requiring and must be shut off while driving, the engine off. increased brake pedal force. press and hold ENGINE START/ If the vehicle is in P (Park), the STOP for longer than two seconds, 2. Shift the vehicle to N (Neutral). or press twice in five seconds. ignition will turn off, and Retained This can be done while the Accessory Power (RAP) will remain vehicle is moving. After shifting ACC/ACCESSORY (Amber active. See Retained Accessory Indicator Light) : This mode allows 0 to N (Neutral), firmly apply the Power (RAP) 196. brakes and steer the vehicle to some electrical accessories to be If the vehicle is in R (Reverse), D a safe location. used when the engine is off. (Drive) or L (Low), the vehicle will 3. Come to a complete stop and With the ignition off, pressing the shift to P (Park), the ignition will turn shift to P (Park). button one time without the brake off, and Retained Accessory Power pedal applied will place the ignition (RAP) will remain active. If the system in ACC/ACCESSORY. vehicle is in N (Neutral), the ignition will return to ACC/ACCESSORY GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

192 Driving and Operating The ignition will switch from ACC/ driven. The engine will not start in Starting Procedure ACCESSORY to off after Service Mode. Press the button 1. With the Keyless Access five minutes to prevent battery again to turn the vehicle off. system, the RKE transmitter rundown. must be in the vehicle. Press ON/RUN/START (Green Indicator Starting the Engine ENGINE START/STOP with the Light) : This mode is for driving and Shift the vehicle into P (Park) or brake pedal applied. When the starting. With the ignition off, and N (Neutral). To restart the engine engine begins cranking, let go the brake pedal applied, pressing when the vehicle is already moving, of the button. the button once will place the use N (Neutral) only. The idle speed will go down as ignition system in ON/RUN/START. the engine gets warm. Do not Once engine cranking begins, race the engine immediately release the button. Engine cranking Caution after starting it. will continue until the engine starts. Do not try to shift to P (Park) if the 0 If the RKE transmitter is not in See Starting the Engine 192. The vehicle is moving. If you do, you ignition will then remain in ON/RUN. the vehicle, if there is could damage the transmission. interference, or if the RKE Service Mode Shift to P (Park) only when the battery is low, the Driver This power mode is available for vehicle is stopped. Information Center (DIC) will service and diagnostics, and to display a message. verify the proper operation of the malfunction indicator lamp as may Caution Caution be required for emission inspection purposes. With the vehicle off, and If you add electrical parts or Cranking the engine for long the brake pedal not applied, accessories, you could change periods of time, by trying to start pressing and holding the button for the way the engine operates. Any the engine immediately after more than five seconds will place resulting damage would not be cranking has ended, can overheat the vehicle in Service Mode. The covered by the vehicle warranty. and damage the cranking motor, instruments and audio systems will See Add-On Electrical Equipment and drain the battery. Wait at operate as they do in ON/RUN, but 0 the vehicle will not be able to be 258. (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 193 engine immediately after Auto Engine Stop/Start Caution (Continued) starting it. Operate the engine When the brakes are applied and and transmission gently until least 15 seconds between each the vehicle is at a complete stop, the oil warms up and lubricates the engine may turn off. When try, to let the cranking motor all moving parts. cool down. stopped, the tachometer displays AUTO STOP. See Tachometer Stop/Start System 0 121. When the brake pedal is 2. If the engine does not start The Stop/Start system will shut off released or the accelerator pedal is after five to 10 seconds, the engine to help conserve fuel. pressed, the engine will restart. especially in very cold weather It has components designed for the To maintain vehicle performance, (below −18 °C or 0 °F), it could increased number of starts. be flooded with too much other conditions may cause the gasoline. Try pushing the engine to automatically restart accelerator pedal all the way to { Warning before the brake pedal is released. the floor and holding it there as Auto Stops may not occur and/or The automatic engine Stop/Start you press ENGINE START/ auto restarts may occur because: STOP, for up to a maximum of feature causes the engine to shut off while the vehicle is still on. Do . The climate control settings 15 seconds. Wait at least require the engine to be running 15 seconds between each try, not exit the vehicle before shifting to P (Park). The vehicle may to cool or heat the vehicle to allow the cranking motor to interior. cool down. When the engine restart and move unexpectedly. starts, let go of the button and Always shift to P (Park), and then . The vehicle battery charge the accelerator. If the vehicle turn the ignition off before exiting is low. starts briefly but then stops the vehicle. . The vehicle battery has recently again, do the same thing. This been disconnected. clears the extra gasoline from the engine. Do not race the . Minimum vehicle speed has not been reached since the last Auto Stop GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

194 Driving and Operating . The accelerator pedal is Auto Stop Disable Switch Engine Heater pressed. The engine heater can provide . The engine or transmission is easier starting and better fuel not at the required operating economy during engine warm-up in temperature. cold weather conditions at or below . The outside temperature is not −18 °C (0 °F). Vehicles with an in the required operating range. engine heater should be plugged in at least four hours before starting. . The vehicle is in any gear other An internal thermostat in the than D (Drive). plug-end of the cord may exist, . Tow/Haul Mode or other driver which will prevent engine heater modes have been selected. operation at temperatures above . The vehicle is on a steep hill or −18 °C (0 °F). grade. If equipped, the automatic engine . The driver door has been Stop/Start feature can be disabled { Warning opened or driver seat belt has and enabled by pressing the switch Do not plug in the engine block been unbuckled. with the h symbol. Auto Stop is heater while the vehicle is parked . The hood has been opened. enabled each time you start the in a garage or under a carport. vehicle. . The Auto Stop has reached the Property damage or personal maximum allowed time. When h is illuminated, the system injury may result. Always park the is enabled. vehicle in a clear open area away from buildings or structures. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 195 To Use the Engine Heater 1. Turn off the engine.

Base model shown 4. Plug the heater cord into the connector in the front fascia. 3. Remove the engine heater 5. Plug the cord into a grounded 2. Check the heater cord for connector cover by gently 110-volt AC outlet that is damage. If it is damaged, do prying with a flat blade tool. protected by a ground fault not use it. See your dealer for detection function. a replacement. Inspect the cord for damage yearly. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

196 Driving and Operating The length of time the heater should { Warning Warning (Continued) remain plugged in depends on several factors. Ask a dealer in the Improper use of the heater cord it overheat and cause a fire, area where you will be parking the or an extension cord can damage property damage, electric vehicle for the best advice on this. the cord and may result in shock, and injury. overheating and fire. . Do not operate the vehicle Retained Accessory . Plug the cord into a with the heater cord Power (RAP) three-prong electrical utility permanently attached to the receptacle that is protected vehicle. Possible heater Some vehicle accessories may be by a ground fault detection cord and thermostat used after the ignition is turned off. function. An ungrounded damage could occur. The power windows and sunroof, outlet could cause an . While in use, do not let the if equipped, will continue to work for electric shock. heater cord touch vehicle up to 10 minutes or until any door is . Use a weatherproof, parts or sharp edges. opened. heavy-duty, 15 amp-rated . Before starting the vehicle, The infotainment system will extension cord if needed. unplug the cord. Keep the continue to work for 10 minutes, Failure to use the cord away from any moving until the driver door is opened, recommended extension parts. or until the ignition is turned on or cord in good operating placed in ACC/ACCESSORY. condition, or using a damaged heater or 6. Before starting the engine, be extension cord, could make sure to unplug and store the cord. (Continued) 7. Install the engine heater connector cover. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 197 Shifting Into Park Leaving the Vehicle with the If you have to leave the vehicle with Engine Running the engine running, the vehicle must be in P (Park) with the parking { Warning brake set. { Warning It can be dangerous to get out of Confirm that the vehicle is in the vehicle if the vehicle is not in It can be dangerous to leave the P (Park). vehicle with the engine running. P (Park) with the parking brake Torque Lock set. The vehicle can roll. If you It could overheat and catch fire. have left the engine running, the It is dangerous to get out of the Torque lock is when the weight of the vehicle puts too much force on vehicle can move suddenly. You vehicle if the vehicle is not in the parking pawl in the or others could be injured. To be P (Park) with the parking brake transmission. This happens when sure the vehicle will not move, set. The vehicle can roll. even when you are on fairly level parking on a hill and shifting the ground, use the steps that follow. Do not leave the vehicle when the transmission into P (Park) is not done properly and then it is difficult If you are pulling a trailer, see engine is running. If you have left the engine running, the vehicle to shift out of P (Park). To prevent Driving Characteristics and torque lock, set the parking brake Towing Tips 0 246. can move suddenly. You or others could be injured. To be sure the and then shift into P (Park). To find vehicle will not move, even when out how, see “Shifting Into Park” listed previously. To shift into P (Park): you are on fairly level ground, 1. Hold the brake pedal down and always set the parking brake and On certain steep grades, the set the parking brake. See shift the vehicle to P (Park). See transmission will automatically set Electric Parking Brake 0 207. Shifting Into Park 0 197. If you the parking brake to prevent torque lock. 2. Press P (Park). are towing a trailer, see Driving Characteristics and Towing Tips 3. Turn the ignition off. 0 246. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

198 Driving and Operating If torque lock does occur, the Manual Park Release To place the vehicle in N (Neutral) vehicle may need to be pushed using the manual park release: uphill by another vehicle to relieve { Warning 1. Ensure the vehicle is on level the parking pawl pressure, so you ground and set the parking can shift out of P (Park). The transmission will be placed in brake. Release the brake N (Neutral) when the manual park pedal. Shifting out of Park release is pulled. The vehicle can 2. Turn the vehicle off. This vehicle is equipped with an roll and you or others could be electronic transmission. If the injured. Ensure the vehicle is on vehicle has an uncharged battery or level ground. a battery with low voltage, try charging or jump starting the battery. See Jump Starting - North America 0 335. Caution To shift out of P (Park): The manual park release is not 1. Ensure the engine is running. intended to be used for towing. Damage may result from using 2. Apply the brake pedal. the manual park release in this 3. Press or pull the desired shift way. The repairs would not be switch on the center stack. covered by the vehicle warranty. 4. The P indicator will turn white 3. Use a flat-bladed tool to and the gear indicator will turn Pulling the manual park release remove the interior trim panel red when the vehicle is no while the vehicle is on, or turning on the center console to the longer in P (Park). the ignition on while the manual right of the accelerator pedal. park release is pulled, will result in a 4. Ensure more than one minute Service Transmission message has elapsed since Step 2. being displayed. Apply the brake pedal. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 199 Parking over Things That Burn

{ Warning Things that can burn could touch hot exhaust parts under the vehicle and ignite. Do not park over papers, leaves, dry grass, or other things that can burn.

5. Pull the manual park release 2. Rotate the manual park release Active Fuel Management lever 90° to its latching 90° back to its original position. position. The vehicle’s engine may be 3. Apply the parking brake. equipped with Active Fuel 6. With the brake pedal released, 4. Confirm that the vehicle is in Management, which allows the place the ignition in ACC/ P (Park) by turning the ignition engine to operate on either all of its ACCESSORY. Then apply the on or placing the ignition in cylinders, or in reduced cylinder brake pedal and release the ACC/ACCESSORY, then operation, depending on the driving parking brake. ensure that the indicator conditions. 7. Ensure there are no loose displays P. When less power is required, such objects in the area that could 5. Install the interior trim panel. as cruising at a constant vehicle bump the manual park release speed, the system will operate in lever. reduced operation mode, allowing To return the vehicle to P (Park) the vehicle to achieve better fuel using the manual park release: economy. When greater power demands are required, such as 1. Bring the vehicle to a accelerating from a stop, passing, complete stop. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

200 Driving and Operating or merging onto a highway, the If the vehicle is left parked and Engine Exhaust system will maintain full-cylinder running with the RKE transmitter operation. outside the vehicle, it will continue If the vehicle has an Active Fuel to run for up to half an hour. { Warning Management indicator, see Driver If the vehicle is left parked and Engine exhaust contains carbon Information Center (DIC) for more running with the RKE transmitter monoxide (CO), which cannot be information on using this display. inside the vehicle, it will continue to seen or smelled. Exposure to CO run for up to an hour. can cause unconsciousness and Extended Parking The vehicle could turn off sooner if it even death. is parked on a hill, due to lack of It is best not to park with the vehicle Exhaust may enter the vehicle if: running. If the vehicle is left running, available fuel. be sure it will not move and there is The timer will reset if the vehicle is . The vehicle idles in areas adequate ventilation. taken out of P (Park) while it is with poor ventilation (parking garages, tunnels, 0 running. See Shifting Into Park 197 and deep snow that may block 0 Engine Exhaust 200. underbody airflow or tail pipes). . The exhaust smells or 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 Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 201 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 engine running. damage or aftermarket modifications that are not If the vehicle is left with the engine completely sealed. running, follow the proper steps to be sure the vehicle will not move. If unusual fumes are detected or See Shifting Into Park 0 197 and if it is suspected that exhaust is Engine Exhaust 0 200. coming into the vehicle: If parking on a hill and pulling a . Drive it only with the trailer, see Driving Characteristics windows completely down. and Towing Tips 0 246. . Have the vehicle repaired immediately. Never park the vehicle with the The shift switches are on the center engine running in an enclosed stack. The selected gear position area such as a garage or a will illuminate red on the shift switch, building that has no fresh air while all others will be displayed in ventilation. white. If the shift is not immediate, as in very cold conditions, the indicator on the shift switch may flash until it is fully engaged. The transmission does not operate when the vehicle is off. If the vehicle is in ACC/ ACCESSORY, the transmission can be shifted into P (Park). GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

202 Driving and Operating If ENGINE START/STOP is pressed If the vehicle is shifted from either twice while at a relatively high Warning (Continued) R (Reverse) to D (Drive), speed, the engine will turn off and or D (Drive) to R (Reverse) while the the transmission will automatically transmission into P (Park). See speed is too high, the vehicle will 0 shift to N (Neutral). Once the vehicle Shifting Into Park 197 and shift to N (Neutral). Reduce the is stopped, P (Park) can be Driving Characteristics and vehicle speed and try the shift selected. Towing Tips 0 246. again. P: This position locks the drive To shift into R (Reverse): This vehicle is equipped with an wheels. Use P (Park) when starting 1. Bring the vehicle to a electronically controlled the vehicle to ensure the vehicle complete stop. does not move. transmission. The R (Reverse) and D (Drive) shift switches are 2. Pull the R (Reverse) switch on designed to prevent inadvertent the center stack. { Warning shifting out of P (Park) unless the To shift out of R (Reverse): It is dangerous to get out of the ignition is on, and the brake pedal is 1. Bring the vehicle to a vehicle if the transmission is not applied. complete stop. in P (Park) with the parking brake When the vehicle is stopped, press set. The vehicle can roll. ENGINE START/STOP to turn off 2. Shift to the desired gear. the vehicle. The transmission will Do not leave the vehicle when the At low vehicle speeds, R (Reverse) shift to P (Park) automatically. engine is running. If the engine can be used to rock the vehicle has been left running, the vehicle The vehicle will not shift into back and forth to get out of snow, can move suddenly. You or others P (Park) if it is moving too fast. Stop ice, or sand without damaging the transmission. See If the Vehicle Is could be injured. To be sure the the vehicle and shift into P (Park). Stuck 0 185. vehicle will not move, even when To shift in and out of P (Park), see on fairly level ground, always set Shifting Into Park 0 197 and N: In this position, the engine does the parking brake and place the Shifting out of Park 0 198. not connect with the wheels. To restart the engine when the vehicle (Continued) R: Use this gear to back up. is already moving, use N (Neutral) only. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 203

{ Warning Caution Caution Shifting into a drive gear while the The vehicle is not designed to The vehicle is not designed to engine is running at high speed is stay in N (Neutral) for extended stay in N (Neutral) for extended dangerous. Unless your foot is periods of time. It will periods of time. It will firmly on the brake pedal, the automatically shift into P (Park). automatically shift into P (Park) if vehicle could move very rapidly. left in Car Wash Mode. You could lose control and hit To shift into N (Neutral), press the people or objects. Do not shift N (Neutral) switch until the N Car Wash Mode (Engine Off – into a drive gear while the engine indicator displays. Driver in Vehicle) is running at high speed. To shift out of N (Neutral): To place the vehicle in N (Neutral) 1. Bring the vehicle to a with the engine off and the vehicle complete stop. occupied: Caution 2. Shift to the desired gear. 1. Drive to the entrance of the car wash. Shifting out of P (Park) or Car Wash Mode N (Neutral) with the engine 2. Apply the brake pedal. running at high speed may This vehicle includes a Car Wash 3. Shift to N (Neutral). damage the transmission. The Mode that allows the vehicle to 4. Turn off the engine and release repairs would not be covered by remain in N (Neutral) for use in the brake pedal. the vehicle warranty. Be sure the automatic car washes. engine is not running at high Car Wash Mode is not to be used 5. The indicator should continue speed when shifting the vehicle. for vehicle towing. If the vehicle to show N. If it does not, start needs to be towed, see Towing the the engine and repeat Vehicle 0 338 Steps 2–4. 6. The vehicle is now ready for the car wash. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

204 Driving and Operating Car Wash Mode (Engine Off – Car Wash Mode (Engine On – 5. The indicator should continue Driver out of Vehicle) Driver in Vehicle) to show N. If it does not, repeat To place the vehicle in N (Neutral) To place the vehicle in N (Neutral) Steps 2–4. with the engine off and the vehicle with the engine on and the vehicle 6. Exit the vehicle and close the unoccupied: occupied: door. The vehicle is now ready 1. Drive to the entrance of the 1. Drive to the entrance of the for the car wash. car wash. car wash. 7. The vehicle may automatically 2. Apply the brake pedal. 2. Apply the brake pedal. shift to P (Park) upon re-entry. 3. Open the door. 3. Shift to N (Neutral). Caution 4. Shift to N (Neutral). 4. Release the brake pedal. The A transmission hot message may 5. Turn off the engine and release vehicle is now ready for the display if the automatic the brake pedal. car wash. transmission fluid is too hot. Car Wash Mode (Engine On 6. The indicator should continue – Driving under this condition can Driver out of Vehicle) to show N. If it does not, start damage the vehicle. Stop and idle the engine and repeat To place the vehicle in N (Neutral) the engine to cool the automatic Steps 2–5. with the engine on and the vehicle transmission fluid. This message 7. Exit the vehicle and close the unoccupied: clears when the transmission fluid door. The vehicle is now ready 1. Drive to the entrance of the has cooled sufficiently. for the car wash. car wash. 8. The vehicle may automatically 2. Apply the brake pedal. D: This position is for normal shift to P (Park) upon re-entry. 3. Open the door. driving. If more power is needed for passing, press the accelerator 4. Shift to N (Neutral), then pedal down. release the brake pedal. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 205 To shift into D (Drive): If equipped with the 2.0L L4 engine, ERS or manual mode allows for the 1. Bring the vehicle to a engine speeds may be increased selection of the range of gear complete stop. while driving at highway speeds positions. Use this mode when while the engine is still warming up. driving downhill or towing a trailer to 2. Pull the D (Drive) switch on the limit the top gear and vehicle speed. center stack. L: This position gives you access to gear ranges. This provides more The shift position indicator within the To shift out of D (Drive): engine braking but lower fuel Driver Information Center (DIC) will economy than D (Drive). You can display a number next to the L 1. Bring the vehicle to a indicating the highest available gear complete stop. use it on very steep hills, or in deep snow or mud. See Manual Mode under manual mode and the driving 2. Shift to the desired gear. 0 205. conditions when manual mode was selected. Downshifting the transmission in slippery road conditions could result Manual Mode To use this feature: in skidding. See “Skidding” under 1. With the vehicle in D (Drive), 0 Electronic Range Select Loss of Control 177. press the L (Low) button. (ERS) Mode 2. Press the plus or minus button Caution on the center stack to increase Spinning the tires or holding the or decrease the gear range available. vehicle in one place on a hill using only the accelerator pedal When shifting to L (Low), the may damage the transmission. transmission will shift to a preset The repair will not be covered by lower gear range. For this preset the vehicle warranty. If the vehicle range, the highest gear available is is stuck, do not spin the tires. displayed next to the L in the DIC. When stopping on a hill, use the See Driver Information Center (DIC) (Base) 0 137 or brakes to hold the vehicle in Driver Information Center (DIC) place. (Midlevel and Uplevel) 0 139. All gears below that number are GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

206 Driving and Operating available to use. For example, when Drive Systems Brakes 4 (Fourth) is shown next to the L, 1 (First) through 4 (Fourth) gears are shifted automatically. To shift to All-Wheel Drive Electric Brake Boost 5 (Fifth) gear, press the + (Plus) Vehicles with this feature can Vehicles equipped with electric button or shift into D (Drive). operate in AWD Mode. See Driver brake boost have hydraulic brake L (Low) will prevent shifting to a Mode Control 0 212. circuits that are electronically lower gear range if the engine controlled when the brake pedal is speed is too high. If vehicle speed is applied during normal operation. not reduced within the time allowed, The system performs routine tests the lower gear range shift will not be and turns off within a few minutes completed. Slow the vehicle, then after the vehicle is shutdown. Noise press the − (Minus) button to the may be heard during this time. If the desired lower gear range. brake pedal is pressed during the tests or when the electric brake While using ERS, cruise control can boost system is off, a noticeable be used. change in pedal force and travel may be felt. This is normal. Tow/Haul Mode See Driver Mode Control 0 212. Antilock Brake System (ABS) The Antilock Brake System (ABS) helps prevent a braking skid and maintain steering while braking hard. ABS performs a system check when the vehicle is first driven. A momentary motor or clicking noise GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 207 may be heard while this test is going Using ABS off. To prevent draining the battery, on, and the brake pedal may move avoid repeated cycles of the EPB Do not pump the brakes. Just hold slightly. This is normal. system when the engine is not the brake pedal down firmly. running. Hearing or feeling ABS operate is normal. The system has a Y or PARK 8 Braking in Emergencies Electric Parking Brake light, and a Service Parking Brake light or ABS allows steering and braking at message. See Electric Parking the same time. In many Brake Light 0 130 and emergencies, steering can help Service Electric Parking Brake Light If there is a problem with ABS, this even more than braking. (Uplevel and Midlevel Cluster Only) warning light stays on. See Antilock 0 130. Brake System (ABS) Warning Light Electric Parking Brake 0 130. Before leaving the vehicle, check for Y ABS does not change the time the or PARK light to ensure that needed to get a foot on the brake the parking brake is applied. pedal and does not always EPB Apply decrease stopping distance. If you get too close to the vehicle ahead, To apply the EPB: there will not be enough time to 1. Be sure the vehicle is at a apply the brakes if that vehicle complete stop. suddenly slows or stops. Always leave enough room ahead to stop, 2. Press the EPB switch even with ABS. momentarily. The Y or PARK light will flash and then stay on once the EPB is fully Y The vehicle has an Electric Parking applied. If the or PARK light Brake (EPB). The EPB can always flashes continuously, then the EPB be activated, even if the ignition is is only partially applied or there is a GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

208 Driving and Operating problem with the EPB. A DIC If the EPB fails to apply, block the message will display. Release the rear wheels to prevent vehicle Caution EPB and try to apply it again. If the movement. light does not come on, or keeps Driving with the parking brake on flashing, have the vehicle serviced. EPB Release can overheat the brake system Do not drive the vehicle if the Y or To release the EPB: and cause premature wear or PARK light is flashing. See your damage to brake system parts. 1. Turn the ignition on or to ACC/ Make sure that the parking brake dealer. See Electric Parking Brake ACCESSORY. Light 0 130. is fully released and the brake 2. Apply and hold the brake warning light is off before driving. If the 8 light or message is on, pedal. press the EPB switch and hold it. Continue to hold the switch until the 3. Press the EPB switch Automatic EPB Release momentarily. Y or PARK light remains on. If the The EPB will automatically release if 8 light or message remains on, see The EPB is released when the Y the vehicle is running, placed into your dealer. or PARK light is off. gear, and an attempt is made to 8 drive away. Avoid rapid acceleration If the EPB is applied while the If the light or message is on, when the EPB is applied, to vehicle is moving, the vehicle will release the EPB by pressing and preserve parking brake lining life. decelerate as long as the switch is holding the EPB switch. Continue to pressed. If the switch is pressed hold the switch until the Y or Brake Assist until the vehicle comes to a stop, PARK light is off. If either light stays the EPB will remain applied. on after release is attempted, see Brake Assist detects rapid brake The vehicle may automatically apply your dealer. pedal applications due to the EPB in some situations when emergency braking situations and the vehicle is not moving. This is provides additional braking to normal, and is done to periodically activate the Antilock Brake System check the correct operation of the (ABS) if the brake pedal is not EPB system. pushed hard enough to activate ABS normally. Minor noise, brake pedal pulsation, and/or pedal GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 209 movement during this time may When the vehicle is stopped on a Ride Control Systems occur. Continue to apply the brake grade, Hill Start Assist (HSA) pedal as the driving situation prevents the vehicle from rolling in dictates. Brake Assist disengages an unintended direction during the Traction Control/ when the brake pedal is released. transition from brake pedal release Electronic Stability to accelerator pedal apply. The Control Hill Start Assist (HSA) brakes release when the accelerator pedal is applied. If the accelerator System Operation pedal is not applied within a few The vehicle has a Traction Control { Warning minutes, the Electric Parking Brake System (TCS) and StabiliTrak/ will apply. The brakes may also Do not rely on the HSA feature. Electronic Stability Control (ESC), release under other conditions. Do HSA does not replace the need to an electronic stability control not rely on HSA to hold the vehicle. pay attention and drive safely. system. These systems help limit You may not hear or feel alerts or HSA is available when the vehicle is wheel spin and assist the driver in warnings provided by this system. facing uphill in a forward gear, maintaining control, especially on Failure to use proper care when or when facing downhill in slippery road conditions. R (Reverse). The vehicle must driving may result in injury, death, TCS activates if it senses that any come to a complete stop on a grade or vehicle damage. See of the drive wheels are spinning or for HSA to activate. Defensive Driving 0 175. beginning to lose traction. When this happens, TCS applies the brakes to the spinning wheels and reduces engine power to limit wheel spin. StabiliTrak/ESC activates when the vehicle senses a difference between the intended path and the direction the vehicle is actually traveling. StabiliTrak/ESC selectively applies braking pressure to any one of the GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

210 Driving and Operating vehicle wheel brakes to assist the If d comes on and stays on: driver in keeping the vehicle on the intended path. 1. Stop the vehicle. If cruise control is being used and 2. Turn the engine off and wait TCS or StabiliTrak/ESC begins to 15 seconds. limit wheel spin, cruise control will 3. Start the engine. disengage. Cruise control may be The indicator light for both systems 4. Drive the vehicle. turned back on when road is in the instrument cluster. This conditions allow. TCS and light: If d comes on and stays on, the StabiliTrak/ESC will automatically . Will flash when TCS is limiting vehicle may need more time to turn on when cruise control is set. wheel spin diagnose the problem. If the condition persists, see your dealer. Both systems come on . Will flash when StabiliTrak/ESC automatically when the vehicle is is activated Turning the Systems Off started and begins to move. The and On systems may be heard or felt while . Will turn on and stay on when they are operating or while either system is not working performing diagnostic checks. This . May flash when ABS is active is normal and does not mean there is a problem with the vehicle. If either system fails to turn on or to activate, a message may display in It is recommended to leave both the Driver Information Center (DIC), systems on for normal driving and d comes on and stays on to conditions, but it may be necessary indicate that the system is inactive to turn TCS off if the vehicle gets and is not assisting the driver in stuck in sand, mud, ice, or snow. maintaining control. The vehicle is See If the Vehicle Is Stuck 0 185 safe to drive, but driving should be and Turning the Systems Off and “ adjusted accordingly. On” later in this section. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 211 To turn TCS and StabiliTrak/ESC on Caution again, press and release g. The Do not repeatedly brake or Traction Off light i and StabiliTrak/ accelerate heavily when TCS is ESC OFF light g in the instrument off. The vehicle driveline could be cluster turn off. damaged. StabiliTrak will automatically turn on A blinking HDC light indicates the if the vehicle exceeds 56 km/h system is actively applying the To turn off only TCS, press and (35 mph). Traction control will brakes to maintain vehicle speed. remain off. release g. The Traction Off light i HDC can maintain vehicle speeds Adding accessories can affect the displays in the instrument cluster between 3–22 km/h (2–14 mph) on and a DIC message may display. vehicle performance. See an incline greater than or equal to a Accessories and Modifications To turn TCS on again, press and 10% grade. 0 261. release g. The Traction Off light i When HDC is activated, the initial displayed in the instrument cluster Hill Descent HDC speed is set to the current will turn off. driving speed. It can be increased or Control (HDC) decreased by pressing the RES+ or If TCS is limiting wheel spin when g If equipped, HDC can be used when SET– steering wheel controls or by is pressed, the system will not turn applying the accelerator or brake off until the wheels stop spinning. driving downhill. It sets and maintains vehicle speed while pedal. This adjusted speed To turn off both TCS and StabiliTrak/ descending a very steep incline in a becomes the new set speed. ESC, press and hold g until the forward or reverse gear. HDC will remain enabled between Traction Off light i and StabiliTrak/ The HDC switch is on the center 22–60 km/h (14–37 mph); however ESC OFF light g come on and stay console. vehicle speed cannot be set or on in the instrument cluster. A DIC maintained in this range. It will message may display. Press 5 to enable or disable HDC. automatically disable if the vehicle Vehicle speed must be below speed is above 80 km/h (50 mph) or 50 km/h (31 mph). GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

212 Driving and Operating above 60 km/h (37 mph) for at least 5 or q Tour (FWD) : Vehicle is in 30 seconds. Press 5 again to Tour (FWD) Mode. Use this mode re-enable HDC. during normal driving conditions. See Driving for Better Fuel Driver Mode Control Economy 0 174. Tour (FWD) Mode operates in Front-Wheel Drive to If equipped, the Driver Mode Control improve fuel economy. has the following Modes: Tour (FWD), Sport, All-Wheel Drive 8 Sport : Sport Mode improves (AWD), Snow/Ice, Tow/Haul, and vehicle handling and acceleration Off-Road. Rotate the Driver Mode on dry pavement. When active, Control knob on the center console Sport Mode modifies steering to make a mode selection. Continue efforts, transmission shifting, AWD turning the knob through the Driver Mode Control Knob (AWD) torque, and suspension tuning available modes. The selected (when properly equipped). For AWD mode’s icon will light up on the knob vehicles, choosing Sport Mode also and there may be additional engages AWD Mode. messages in the Driver Information The Performance Algorithm Liftfoot Center (DIC) and indicators in the (PAL) feature is enabled in Sport instrument cluster. Mode. PAL allows the transmission If the vehicle is in Tour (FWD) or to hold the current gear after a quick AWD, it will stay in that mode release of a heavily applied through future ignition cycles. If the accelerator pedal. This provides vehicle is in any other mode, it will greater engine braking and revert back to Tour (FWD) when the enhanced vehicle control. vehicle is restarted. When PAL is activated, there may Driver Mode Control Knob (FWD) be an additional green gear symbol which appears in the instrument cluster display. See Gear Shifting Light 0 131. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 213 4 AWD (AWD Only) : AWD Mode 6 Snow/Ice (FWD Only) : Snow/ While in the Electronic Range provides drive torque to all four Ice Mode improves vehicle Select (ERS) mode, grade braking wheels. Select AWD to improve acceleration on snow and ice is deactivated, allowing the driver to traction and control on slippery road covered roads. select a range and limiting the surfaces, such as gravel, sand, wet _ highest gear available. Grade pavement, snow, and ice. When in Tow/Haul : This feature can braking is available for normal AWD Mode, the AWD Mode assist when towing or hauling a driving and in Tow/Haul Mode. heavy load. Use this mode to assist indicator will be on. The AWD Mode See Automatic Transmission 0 201. will stay selected until the mode is in maintaining desired vehicle changed. speeds when driving on downhill 7 Off-Road (AWD Only) : Use this grades by using the engine and mode for off-road recreational AWD is active in AWD, Sport, Tow/ transmission. For AWD vehicles, driving. Choosing Off-Road Mode Haul, and Off-Road Modes. choosing Tow/Haul Mode also also engages AWD Mode. For more Sport, Tow/Haul, and Off-Road engages AWD mode. See Driving information on Off-Road Mode, see Modes are cancelled with each Characteristics and Towing Tips Off-Road Driving 0 178. ignition cycle and will return to Tour 0 246. (FWD) Mode. Automatic Engine Grade Braking When using a compact spare tire on Automatic Engine Grade Braking an AWD vehicle, the system assists when driving downhill. automatically detects the compact It maintains vehicle speed by spare and reduces AWD automatically implementing a shift performance to protect the system. pattern that uses the engine and the To restore full AWD operation and transmission to slow the vehicle. prevent excessive wear on the The system will automatically system, replace the compact spare command downshifts to reduce with a full-size tire as soon as vehicle speed. The normal shift possible. See Compact Spare Tire pattern will return once the vehicle 0 334. is on a low grade or when the accelerator pedal is pressed. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

214 Driving and Operating Cruise Control If the StabiliTrak/Electronic Stability Control (ESC) system begins to limit wheel spin while using cruise { Warning control, the cruise control automatically disengages. See Cruise control can be dangerous Traction Control/Electronic Stability where you cannot drive safely at Control 0 209. If a collision alert a steady speed. Do not use occurs when cruise control is cruise control on winding roads or activated, cruise control is in heavy traffic. disengaged. See Forward Collision 0 Cruise control can be dangerous Alert (FCA) System 231. When road conditions allow the cruise on slippery roads. On such roads, control to be safely used, cruise fast changes in tire traction can control can be turned back on. cause excessive wheel slip, and J : Press to turn the system on you could lose control. Do not use Turning off the TCS or StabiliTrak/ and off. A white indicator appears in cruise control on slippery roads. ESC system will disengage the the instrument cluster when cruise cruise control. is turned on. With cruise control, a speed of If the brakes are applied, cruise RES+ : If there is a set speed in about 40 km/h (25 mph) or more can control disengages. memory, press briefly to resume to be maintained without keeping your that speed or press and hold to foot on the accelerator. Cruise accelerate. If the cruise control is control does not work at speeds already active, use to increase below about 40 km/h (25 mph). vehicle speed. SET− : Press briefly to set the speed and activate cruise control. If the cruise control is already active, use to decrease vehicle speed. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 215 * : Press to disengage cruise Resuming a Set Speed The speedometer reading can be control without erasing the set If the cruise control is set at a displayed in either English or metric speed from memory. desired speed and then the brakes units. See Instrument Cluster (Base * and Midlevel) 0 115 or Setting Cruise Control are applied or is pressed, the Instrument Cluster (Uplevel) 0 119. cruise control is disengaged without The increment value used depends If J is on when not in use, SET− or erasing the set speed from memory. RES+ could get pressed and go into on the units displayed. Once the vehicle speed reaches cruise when not desired. Keep Reducing Speed While Using J about 40 km/h (25 mph) or more, off when cruise is not being used. Cruise Control press RES+ briefly. The vehicle 1. Press J. returns to the previous set speed. If the cruise control system is already activated: 2. Get up to the desired speed. Increasing Speed While Using Cruise Control . Press and hold SET− until the 3. Press and release SET−. The desired lower speed is reached, desired set speed briefly If the cruise control system is then release it. appears in the instrument already activated: cluster. . To decrease the vehicle speed in . Press and hold RES+ up until small increments, briefly press 4. Remove your foot from the the desired speed is reached, SET−. For each press, the accelerator. then release it. vehicle goes about 1 km/h When the cruise control has been . To increase vehicle speed in (1 mph) slower. set to the desired speed, a green small increments, briefly press The speedometer reading can be cruise control indicator appears on RES+. For each press, the displayed in either English or metric the instrument cluster. vehicle goes about 1 km/h units. See Instrument Cluster (Base (1 mph) faster. and Midlevel) 0 115 or Instrument Cluster (Uplevel) 0 119. The increment value used depends on the units displayed. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

216 Driving and Operating Passing Another Vehicle While Ending Cruise Control cruise control. ACC uses camera Using Cruise Control and radar sensors. See Radio There are four ways to end cruise 0 Use the accelerator pedal to control: Frequency Statement 380. increase the vehicle speed. When . Step lightly on the brake pedal. If a vehicle is detected in your path, you take your foot off the pedal, the ACC can apply acceleration or vehicle will slow down to the . Press *. limited, moderate braking to previous set cruise speed. maintain the selected following gap. . Shift the transmission to To disengage ACC, apply the brake. While pressing the accelerator pedal N (Neutral). or shortly following the release to If ACC is controlling your vehicle override cruise, briefly applying SET . Press J. speed when the Traction Control System (TCS) or StabiliTrak/ − will result in cruise set to the Erasing Speed Memory current vehicle speed. Electronic Stability Control (ESC) The cruise control set speed is system activates, the ACC may Using Cruise Control on Hills erased from memory if J is automatically disengage. See pressed or if the ignition is Traction Control/Electronic Stability How well the cruise control will work 0 on hills depends upon the vehicle turned off. Control 209. When road speed, load, and the steepness of conditions allow ACC to be safely the hills. When going up steep hills, Adaptive Cruise Control used, the ACC can be turned you might have to step on the back on. accelerator pedal to maintain your If equipped with Adaptive Cruise Turning off the TCS or StabiliTrak/ speed. When going downhill, you Control (ACC), it allows the driver to ESC system will disengage the may have to brake or shift to a lower select the cruise control set speed cruise control. gear to keep your speed down. and following gap. Read this entire section before using this system. ACC is intended for use on If the brake pedal is applied, cruise expressways, freeways, and control disengages. The following gap is the following time between your vehicle and a interstate highways. ACC may be vehicle detected directly ahead in used on other roads, but it may not your path, moving in the same be able to handle all driving direction. If no vehicle is detected in situations. your path, ACC works like regular GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 217

{ Warning Warning (Continued)

ACC has limited braking ability Do not use ACC when: and may not have time to slow the vehicle down enough to avoid . On winding and hilly roads a collision with another vehicle or when the sensors are you are following. This can occur blocked by snow, ice, or dirt. The system may not detect when vehicles suddenly slow or a vehicle ahead. Keep the stop ahead, or enter your lane. entire front of the vehicle Also see “Alerting the Driver” in clean. this section. Complete attention is always required while driving and . Visibility is low, such as in you should be ready to take fog, rain, or snow conditions. ACC J : Press to turn the system on or action and apply the brakes. See off. The indicator turns white on the Defensive Driving 0 175. performance is limited under these conditions. instrument cluster when ACC is turned on. . On slippery roads where fast changes in tire traction RES+ : Press briefly to resume the { Warning can cause excessive previous set speed or to increase wheel slip. vehicle speed if ACC is already ACC will not detect or brake for activated. To increase speed by children, pedestrians, animals, 1 km/h (1 mph), briefly press RES+. or other objects. To increase speed to the next (Continued) 5 km/h (5 mph) mark on the speedometer, press and hold RES+, then release. SET– : Press briefly to set the speed and activate ACC or to decrease vehicle speed if ACC is GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

218 Driving and Operating already activated. To decrease When ACC is engaged, a green ] Setting Adaptive Cruise Control speed by 1 km/h (1 mph), briefly indicator will be lit on the instrument press SET−. To decrease speed to If J is on when not in use, it could cluster. When the regular cruise get pressed and go into cruise when the next 5 km/h (5 mph) mark on the control is engaged, a green J speedometer, press and hold SET−, not desired. Keep J off when indicator will be lit on the instrument cruise is not being used. then release. cluster. * : Press to disengage ACC Select the set speed desired for When the vehicle is turned on, the cruise. This is the vehicle speed without erasing the selected set cruise control mode will be set to speed. when no vehicle is detected in the last mode used before the its path. [ : Press to select a following gap vehicle was turned off. ACC will not set at a speed less time (or distance) setting for ACC of than 25 km/h (15 mph), although it Far, Medium, or Near. { Warning can be resumed when driving at Switching Between ACC and Always check the cruise control lower speeds. Regular Cruise Control indicator on the instrument cluster To set ACC: To switch between ACC and regular to determine which mode cruise 1. Press J. cruise control, press and hold *. control is in before using the A Driver Information Display (DIC) feature. If ACC is not active, the 2. Get up to the desired speed. message displays. See Vehicle vehicle will not automatically 3. Press and release SET–. Messages 0 145. brake for other vehicles, which could cause a crash if the brakes 4. Remove foot from the are not applied manually. You and accelerator. others could be seriously injured After ACC is set, it may immediately or killed. apply the brakes if a vehicle ahead is detected closer than the selected following gap. ACC Indicator Regular Cruise Control Indicator GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 219 ACC can also be set while the . If the vehicle is stopped with the accelerator pedal. The vehicle vehicle is stopped if ACC is on and brake pedal applied, press RES will now cruise at the higher the brake pedal is applied. + and release the brake pedal. speed. ACC will hold the vehicle until When the accelerator pedal is RES+ or the accelerator pedal is pressed, ACC will not brake pressed. because it is overridden. The A green ACC indicator and the set ACC indicator on the instrument speed display on the instrument panel will turn blue. See Vehicle cluster. The vehicle ahead indicator Messages 0 145. may be flashing if a vehicle ahead . Press and hold RES+ until the The ACC indicator displays on the was present and moved. See desired set speed appears on instrument cluster. When ACC is “Approaching and Following a the display, then release it. active, the indicator will be lit green. Vehicle” later in this section. . To increase vehicle speed in Be mindful of speed limits, Once ACC has resumed, if there is small increments, briefly press surrounding traffic speeds, and no vehicle ahead, if the vehicle RES+. For each press, the weather conditions when selecting ahead is beyond the selected vehicle goes 1 km/h (1 mph) the set speed. following gap, or if the vehicle has faster. exited a sharp curve, then the Resuming a Set Speed vehicle speed will increase to the . To increase vehicle speed in If ACC is set at a desired speed and set speed. larger increments, hold RES+. then the brakes are applied, ACC is While holding RES+, the vehicle disengaged without erasing the set Increasing Speed While ACC is at speed increases to the next speed from memory. a Set Speed 5 km/h (5 mph) step, then If ACC is already activated, do one continues to increase by 5 km/h To begin using ACC again, press (5 mph) at a time. RES+ up briefly. of the following: . Use the accelerator to get to the The set speed can also be . If the vehicle is moving, it returns increased while the vehicle is to the previous set speed. higher speed. Press SET– . Release the control and the stopped. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

220 Driving and Operating . If stopped with the brake . Use the brake to get to the The set speed can also be applied, press RES+ until the desired lower speed. Release decreased while the vehicle is desired set speed is displayed. the brake and press SET– . The stopped. . If ACC is holding the vehicle at a vehicle will now cruise at the . If stopped with the brake stop and there is another vehicle lower speed. applied, press or hold SET− until directly ahead, pressing RES+ . Press and hold SET– until the the desired set speed is will increase the set speed. desired lower speed is reached, displayed. Pressing RES+ when there is no then release it. Selecting the Follow Distance Gap longer a vehicle ahead will . To decrease the vehicle speed in cause ACC to resume. smaller increments, briefly press When a slower moving vehicle is When it is determined that there is SET−. For each press, the detected ahead within the selected no vehicle ahead or the vehicle vehicle goes about 1 km/h following gap, ACC will adjust the ahead is beyond the selected (1 mph) slower. vehicle's speed and attempt to following gap, then the vehicle maintain the follow distance gap . To decrease the vehicle speed in selected. speed will increase to the set speed. larger increments, press and The speedometer reading can be hold SET−. While holding SET−, Press [ on the steering wheel to displayed in either English or metric the vehicle speed decreases to adjust the following gap. Each press units. See Instrument Cluster (Base the next 5 km/h (5 mph) step, cycles the gap button through three and Midlevel) 0 115 or then continues to decrease by settings: Far, Medium, or Near. Instrument Cluster (Uplevel) 0 119. 5 km/h (5 mph) at a time. When pressed, the current gap The increment value used depends The speedometer reading can be setting displays briefly on the on the units displayed. displayed in either English or metric instrument cluster. The gap setting Reducing Speed While ACC is at a units. See Instrument Cluster (Base will be maintained until it is Set Speed and Midlevel) 0 115 or changed. Instrument Cluster (Uplevel) 0 119. Since each gap setting corresponds If ACC is already activated, do one The increment value used depends of the following: to a following time (Far, Medium, on the units displayed. or Near), the following distance will vary based on vehicle speed. The GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 221 faster the vehicle speed, the further When this condition occurs, six red ACC automatically slows the vehicle back your vehicle will follow a lights will flash on the windshield. down and adjusts vehicle speed to vehicle detected ahead. Consider Either eight beeps will sound from follow the vehicle in front at the traffic and weather conditions when the front, or both sides of the Safety selected follow gap. The vehicle selecting the following gap. The Alert Seat will pulse five times. See speed increases or decreases to range of selectable gaps may not be “Collision/Detection Systems” under follow the vehicle in front of you, but appropriate for all drivers and Vehicle Personalization 0 146. will not exceed the set speed. It may driving conditions. See Defensive Driving 0 175. apply limited braking, if necessary. Changing the gap setting When braking is active, the brake automatically changes the alert Approaching and Following a lights will come on. The automatic timing sensitivity (Far, Medium, Vehicle braking may feel or sound different or Near) for the Forward Collision than if the brakes were applied Alert (FCA) feature. See Forward manually. This is normal. Collision Alert (FCA) System 0 231. Stationary or Very Slow-Moving Alerting the Driver Objects

{ Warning The vehicle ahead indicator is in the ACC may not detect and react to instrument cluster. stopped or slow-moving vehicles The vehicle ahead indicator only ahead of you. For example, the displays when a vehicle is detected system may not brake for a in your vehicle’s path moving in the vehicle it has never detected If ACC is engaged, driver action same direction. moving. This can occur in may be required when ACC cannot If this symbol is not displaying, ACC stop-and-go traffic or when a apply sufficient braking because of vehicle suddenly appears due to approaching a vehicle too rapidly. will not respond to or brake for vehicles ahead. a vehicle ahead changing lanes. (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

222 Driving and Operating The ACC indicator will turn white status light will turn on. See Electric Warning (Continued) when ACC is no longer active. Parking Brake 0 207. To resume ACC and release the EPB, press Your vehicle may not stop and Notification to Resume ACC the accelerator pedal. could cause a crash. Use caution ACC will maintain a follow gap when using ACC. Your complete A DIC warning message may behind a detected vehicle and slow display indicating to shift to P (Park) attention is always required while your vehicle to a stop behind that driving and you should be ready before exiting the vehicle. See vehicle. Vehicle Messages 0 145. to take action and apply the If the stopped vehicle ahead has brakes. driven away and ACC has not resumed, the vehicle ahead { Warning ACC Automatically Disengages indicator will flash as a reminder to If ACC has stopped the vehicle, check traffic ahead before ACC may automatically disengage and if ACC is disengaged, turned proceeding. In addition, the left and and the driver will need to manually off, or canceled, the vehicle will right sides of the Safety Alert Seat apply the brakes to slow the no longer be held at a stop. The will pulse three times, or three vehicle when: vehicle can move. When ACC is beeps will sound. See “Alert Type” holding the vehicle at a stop, . The sensors are blocked. and Adaptive Cruise Go Notifier in “ ” always be prepared to manually “Collision/Detection Systems” under . The Traction Control System 0 apply the brakes. (TCS) or StabiliTrak/ESC system Vehicle Personalization 146. has activated or been disabled. When the vehicle ahead drives . There is a fault in the system. away, press RES+ or the accelerator pedal to resume cruise { Warning . The radar may falsely report a control. If stopped for more than blockage when driving in a two minutes or if the driver door is Leaving the vehicle without desert or remote area with no opened and the driver seat belt is placing it in P (Park) can be other vehicles or roadside unbuckled, the ACC automatically dangerous. Do not leave the objects. A DIC message may applies the Electric Parking Brake vehicle while it is being held at a display to indicate that ACC is (EPB) to hold the vehicle. The EPB (Continued) temporarily unavailable. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 223 Curves in the Road Warning (Continued) Warning (Continued)

stop by ACC. Always place the { Warning to use the brakes if necessary. vehicle in P (Park) and turn off On curves, ACC may not detect a Select an appropriate speed while the ignition before leaving the vehicle ahead in your lane. You driving in curves. vehicle. could be startled if the vehicle accelerates up to the set speed, ACC may operate differently in a ACC Override especially when following a sharp curve. It may reduce the vehicle speed if the curve is too If using the accelerator pedal while vehicle exiting or entering exit sharp. ACC is active, the ACC indicator ramps. You could lose control of turns blue on the instrument cluster the vehicle or crash. Do not use to indicate that automatic braking ACC while driving on an entrance will not occur. See Vehicle or exit ramp. Always be ready to Messages 0 145. ACC will resume use the brakes if necessary. operation when the accelerator pedal is not being pressed.

{ Warning { Warning On curves, ACC may respond to The ACC will not automatically a vehicle in another lane, or may apply the brakes if your foot is When following a vehicle and not have time to react to a vehicle resting on the accelerator pedal. entering a curve, ACC may not in your lane. You could crash into detect the vehicle ahead and You could crash into a vehicle a vehicle ahead of you, or lose accelerate to the set speed. When ahead of you. control of your vehicle. Give extra this happens, the vehicle ahead attention in curves and be ready indicator will not appear. (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

224 Driving and Operating Other Vehicle Lane Changes Do not use ACC when driving on steep hills or when towing a trailer. ACC will not detect a vehicle in the lane while driving on steep hills. The driver will often need to take over acceleration and braking on steep hills, especially when towing a trailer. If the brakes are applied, the ACC disengages. ACC may detect a vehicle that is Disengaging ACC not in your lane and apply the brakes. ACC will not detect a vehicle ahead There are three ways to disengage ACC: 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 . Step lightly on the brake pedal. applied. considered unnecessary. It could . Press *. respond to vehicles in different Do Not Use ACC on Hills and lanes, signs, guardrails, and other When Towing a Trailer . Press J. stationary objects when entering or exiting a curve. This is normal Erasing Speed Memory operation. The vehicle does not The cruise control set speed is need service. erased from memory if J is pressed or if the ignition is turned off. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 225 Cleaning the Sensing System Driver Assistance Warning (Continued) The camera sensor on the windshield behind the rearview Systems Under many conditions, these mirror and the radar sensors on the This vehicle may have features that front of the vehicle can become work together to help avoid crashes systems will not: blocked by snow, ice, dirt, or mud. or reduce crash damage while . Detect children, These areas need to be cleaned for driving, backing, and parking. Read pedestrians, bicyclists, ACC to operate properly. this entire section before using or animals. these systems. For cleaning instructions, see . Detect vehicles or objects “Washing the Vehicle” under outside the area monitored Exterior Care 0 342. { Warning by the system. System operation may also be Do not rely on the Driver . Work at all driving speeds. limited under snow, heavy rain, Assistance Systems. These Warn you or provide you or road spray conditions. . systems do not replace the need with enough time to avoid a for paying attention and driving crash. safely. You may not hear or feel . Work under poor visibility or alerts or warnings provided by bad weather conditions. these systems. Failure to use proper care when driving may . Work if the detection sensor result in injury, death, or vehicle is not cleaned or is covered by ice, snow, mud, or dirt. damage. See Defensive Driving 0 175. . Work if the detection sensor (Continued) is covered up, such as with a sticker, magnet, or metal plate. (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

226 Driving and Operating Cleaning Warning (Continued) Depending on vehicle options, keep these areas of the vehicle clean to . Work if the area surrounding ensure the best driver assistance the detection sensor is feature performance. Driver damaged or not properly Information Center (DIC) messages repaired. may display when the systems are Complete attention is always unavailable or blocked. required while driving, and you should be ready to take action and apply the brakes and/or steer the vehicle to avoid crashes. . Front and rear bumpers and the area below the bumpers Audible or Safety Alert Seat . Front grille and headlamps Some driver assistance features . Front camera lens in the front alert the driver of obstacles by grille or near the front emblem beeping. To change the volume of the warning chime, see “Comfort . Front side and rear side panels and Convenience” under Vehicle . Outside of the windshield in front Personalization 0 146. of the rearview mirror If equipped with the Safety Alert . Side camera lens on the bottom Seat, the driver seat cushion may of the outside mirrors provide a vibrating pulse alert instead of beeping. To change this, . Rear side corner bumpers see “Collision/Detection Systems” . Rear Vision Camera above the under Vehicle Personalization license plate 0 146. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 227 Radio Frequency speed of approximately 12 km/h (8 1. View Displayed by the This vehicle may be equipped with mph). The RVC is above the license Camera driver assistance systems that plate. 2. Corners of the Rear Bumper operate using radio frequency. See Displayed images may be farther or Radio Frequency Statement 0 380. closer than they appear. The area displayed is limited and objects that Assistance Systems for are close to either corner of the Parking or Backing bumper or under the bumper do not display. If equipped, the Rear Vision Camera A warning triangle may display to (RVC), Rear Park Assist (RPA), show that RPA has detected an Front Park Assist (FPA), Surround object. This triangle changes from Vision, and Rear Cross Traffic Alert amber to red and increases in size (RCTA) may help the driver park or the closer the object. avoid objects. Always check around the vehicle when parking or Hitch Guidance backing. 1. View Displayed by the If equipped, this feature displays a Rear Vision Camera (RVC) Camera single, centered guideline on the camera display to assist with When the vehicle is shifted into aligning a vehicle s hitch ball with a R (Reverse), the RVC displays an ’ trailer coupler. Select the trailer image of the area behind the vehicle guidance line button, then align the in the infotainment display. The trailer guidance line over the trailer previous screen displays when the coupler. Continuously steer the vehicle is shifted out of R (Reverse) vehicle to keep the guidance line after a short delay. To return to the centered on the coupler when previous screen sooner, press any backing. RVC Park Assist overlays button on the infotainment system, will not display when the trailer shift into P (Park), or reach a vehicle GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

228 Driving and Operating guidance line is active. Hitch Surround Vision Warning (Continued) Guidance is only available in If equipped, Surround Vision shows Standard View. an image of the area surrounding outside mirrors that are out of To check the trailer when in a the vehicle, along with the front or position may not display surround forward gear above 12 km/h rear camera views on the view correctly. Always check (8 mph), touch CAMERA on the infotainment display. The front around the vehicle when parking infotainment display to view the rear camera is in the grille or near the or backing. camera. Touch X to exit the view or front emblem, the side cameras are it will be removed automatically after on the bottom of the outside mirrors, eight seconds. and the rear camera is above the license plate. { Warning The Surround Vision system can be accessed by selecting CAMERA in Use Hitch Guidance only to help the infotainment display or when the back the vehicle to a trailer hitch vehicle is shifted into R (Reverse). or, when traveling above 12 km/h To return to the previous screen (8 mph), to briefly check the sooner, press any button on the status of your trailer. Do not use infotainment system, shift into for any other purpose, such as P (Park), or reach a vehicle speed 1. Views Displayed by the making lane change decisions. of approximately 12 km/h (8 mph). Surround Vision Cameras Before making a lane change, 2. Area Not Shown always check the mirrors and { Warning glance over your shoulder. Improper use could result in The Surround Vision cameras serious injury to you or others. have blind spots and will not display all objects near the corners of the vehicle. Folding (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 229 infotainment display when a camera Warning (Continued) view is active. Touching the button multiple times will toggle between vehicle before driving. Failure to front and rear camera views. use proper care may result in injury, death, or vehicle damage. If equipped, the front view camera also displays when the Park Assist system detects an object within Camera Views 30 cm (12 in). Front/Rear Junction View : 1. Views Displayed by the Displays a front or rear cross traffic Surround Vision Cameras view that shows objects directly to 2. Area Not Shown the left and right of the front or back of the vehicle. Touch Junction View { Warning on the infotainment display when a camera view is active. Touching the The camera(s) do not display button multiple times will toggle children, pedestrians, bicyclists, between front and rear camera crossing traffic, animals, or any views. other object outside of the Front/Rear Overhead View : cameras’ field of view, below the Displays a front or rear overhead bumper, or under the vehicle. view of the vehicle. Touching the Shown distances may be different Touch the camera view buttons along the bottom of the infotainment button will toggle between the two from actual distances. Do not views. drive or park the vehicle using display. Available views will differ only these camera(s). Always depending on vehicle options. Front/Rear Bowl View : Displays a view of the vehicle from either the check behind and around the Front/Rear Standard View : front or the back of the vehicle. (Continued) Displays an image of the area in front or behind the vehicle. Touch Touch Bowl View on the Front/Rear Standard View on the infotainment display when a camera view is active. Touching the button GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

230 Driving and Operating multiple times will toggle between Top Down View : Displays an Blocked sensors will not detect forward and rearward views. Park image of the area surrounding the objects and can also cause false Assist and RCTA overlays are not vehicle, along with the rear camera detections. Keep the sensors clean available when Bowl View is active. view in the infotainment display. The of mud, dirt, snow, ice, and slush; Side Forward/Rearward View : rear camera view will be replaced and clean sensors after a car wash Displays a view that shows objects by the front camera view after in freezing temperatures. next to the front or rear sides of the shifting from R (Reverse) to a forward gear or when the vehicle is vehicle. Touch Side Forward/ { Warning Rearward View on the infotainment moving forward slower than 12 km/h display when a camera view is (8 mph). This view can only be The Park Assist system does not active. Touching the button multiple enabled in Front/Rear Standard detect children, pedestrians, times will toggle between forward View by touching the Top Down bicyclists, animals, or objects and rearward views. Park Assist View button when a camera view is below the bumper or that are too and RCTA overlays are not active. close or too far from the vehicle. available when Side Forward/ Park Assist It is not available at speeds Rearward View is active. greater than 8 km/h (5 mph). To With RPA, and if equipped with FPA, Hitch View : Assists while as the vehicle moves at speeds of prevent injury, death, or vehicle connecting to a trailer. Displays a less than 8 km/h (5 mph) the damage, even with Park Assist, zoomed-in view of the hitch to help sensors on the bumpers may detect always check the area around the align the vehicle’s hitch ball with the objects up to 2.5 m (8 ft) behind the vehicle and check all mirrors trailer coupler. Shifting into P (Park) vehicle and 1.2 m (4 ft) in front of before backing. while in this view will automatically the vehicle within a zone 25 cm engage the Electronic Parking (10 in) high off the ground and Brake (EPB). below bumper level. Guidance Lines : Displays These detection distances may be available guidelines, including shorter during warmer or humid standard and Hitch Guidance. weather. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 231 Rear Cross Traffic Alert (RCTA) RCTA and Rear Park Assist If equipped, RCTA shows a red symbols can be turned on or off warning triangle with a left or right through vehicle personalization. See “Collision/Detection Systems” under pointing arrow on the infotainment 0 display to warn of traffic coming Vehicle Personalization 146. from the left or right. This system Turn off RPA when towing a trailer. detects objects coming from up to 20 m (65 ft) from the left or right side Assistance Systems for of the vehicle. When an object is The instrument cluster may have a detected, three beeps sound from Driving Park Assist display with bars that the left or right, depending on the If equipped, when driving the show “distance to object” and object direction of the detected vehicle. vehicle in a forward gear, Forward location information for RPA. As the Collision Alert (FCA), Lane object gets closer, more bars light Use caution while backing up when towing a trailer, as the RCTA Departure Warning (LDW), Lane up and the bars change color from Keep Assist (LKA), Side Blind Zone yellow to amber to red. detection zones that extend out from the back of the vehicle do not Alert (SBZA), Lane Change Alert When an object is first detected in move further back when a trailer is (LCA), Automatic Emergency the rear, one beep will be heard towed. Braking (AEB), and/or the Front from the rear, or both sides of the Pedestrian Braking (FPB) System Safety Alert Seat will pulse two Turning the Features On or Off can help to avoid a crash or reduce crash damage. times. When an object is very close To turn RPA on or off, press X on (<0.6m (2 ft) in the vehicle rear, the center console. The indicator or <0.3m (1 ft) in the vehicle front), Forward Collision Alert light next to the button comes on five beeps will sound from the rear, when the features are on and turns (FCA) System or both sides of the Safety Alert off when the features have been Seat will pulse five times. If equipped, the FCA system may disabled. help to avoid or reduce the harm caused by front-end crashes. When approaching a vehicle ahead too quickly, FCA provides a red flashing GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

232 Driving and Operating alert on the windshield and rapidly ramps, or hills, due to poor visibility; beeps or pulses the driver seat. Warning (Continued) or if a vehicle ahead is partially FCA also lights an amber visual blocked by pedestrians or other alert if following another vehicle too animals, signs, guardrails, objects. FCA will not detect another closely. bridges, construction barrels, vehicle ahead until it is completely or other objects. Be ready to take in the driving lane. FCA detects vehicles within a action and apply the brakes. See distance of approximately 60 m Defensive Driving 0 175. (197 ft) and operates at speeds { Warning above 8 km/h (5 mph). If the vehicle has Adaptive Cruise Control (ACC), FCA can be disabled with either the FCA does not provide a warning it can detect vehicles to distances of FCA steering wheel control or, to help avoid a crash, unless it approximately 110 m (360 ft) and if equipped, through vehicle detects a vehicle. FCA may not operates at all speeds. See personalization. See “Collision/ detect a vehicle ahead if the FCA Adaptive Cruise Control 0 216. Detection Systems” under Vehicle sensor is blocked by dirt, snow, Personalization 0 146. or ice, or if the windshield is damaged. It may also not detect a { Warning Detecting the Vehicle Ahead vehicle on winding or hilly roads, FCA is a warning system and or in conditions that can limit does not apply the brakes. When visibility such as fog, rain, approaching a slower-moving or or snow, or if the headlamps or stopped vehicle ahead too rapidly, windshield are not cleaned or in or when following a vehicle too proper condition. Keep the closely, FCA may not provide a windshield, headlamps, and FCA warning with enough time to help sensors clean and in good repair. FCA warnings will not occur unless avoid a crash. It also may not the FCA system detects a vehicle provide any warning at all. FCA ahead. When a vehicle is detected, does not warn of pedestrians, the vehicle ahead indicator will (Continued) display green. Vehicles may not be detected on curves, highway exit GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 233 Collision Alert Tailgating Alert The Collision Alert control is on the steering wheel. Press [ to set the FCA timing to Far, Medium, or Near, or on some vehicles, Off. The first button press shows the current setting on the DIC. Additional button presses will change this setting. The chosen setting will remain until it is When your vehicle approaches The vehicle ahead indicator will changed and will affect the timing of another detected vehicle too rapidly, display amber when you are both the Collision Alert and the the red FCA display will flash on the following a vehicle ahead too Tailgating Alert features. The timing windshield. Also, eight rapid closely. of both alerts will vary based on vehicle speed. The faster the high-pitched beeps will sound from Selecting the Alert Timing the front, or both sides of the Safety vehicle speed, the farther away the Alert Seat will pulse five times. alert will occur. Consider traffic and When this Collision Alert occurs, the weather conditions when selecting brake system may prepare for driver the alert timing. The range of braking to occur more rapidly which selectable alert timings may not be can cause a brief, mild deceleration. appropriate for all drivers and Continue to apply the brake pedal driving conditions. as needed. Cruise control may be If your vehicle is equipped with disengaged when the Collision Alert Adaptive Cruise Control (ACC), occurs. changing the FCA timing setting automatically changes the following gap setting (Far, Medium, or Near). GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

234 Driving and Operating Following Distance Indicator . Clean the outside of the vehicle ahead indicator being lit. windshield in front of the See Forward Collision Alert (FCA) The following distance to a moving rearview mirror. System 0 231. vehicle ahead in your path is indicated in following time in . Clean the entire front of the The system works when driving in a seconds on the Driver Information vehicle. forward gear between 8 km/h Center (DIC). See Driver . Clean the headlamps. (5 mph) and 80 km/h (50 mph), Information Center (DIC) (Base) or on vehicles with Adaptive Cruise 0 137 or Control (ACC), above 4 km/h Driver Information Center (DIC) Automatic Emergency (2 mph). It can detect vehicles up to (Midlevel and Uplevel) 0 139. The Braking (AEB) approximately 60 m (197 ft). minimum following time is If the vehicle has Forward Collision 0.5 seconds away. If there is no Alert (FCA), it also has AEB, which { Warning vehicle detected ahead, or the includes Intelligent Brake vehicle ahead is out of sensor Assist (IBA). When the system AEB is an emergency crash range, dashes will be displayed. detects a vehicle ahead in your path preparation feature and is not Unnecessary Alerts that is traveling in the same designed to avoid crashes. Do direction that you may be about to not rely on AEB to brake the FCA may provide unnecessary crash into, it can provide a boost to vehicle. AEB will not brake alerts for turning vehicles, vehicles braking or automatically brake the outside of its operating speed in other lanes, objects that are not vehicle. This can help avoid or range and only responds to vehicles, or shadows. These alerts lessen the severity of crashes when detected vehicles. are normal operation and the driving in a forward gear. Depending vehicle does not need service. on the situation, the vehicle may AEB may not: Cleaning the System automatically brake moderately or . Detect a vehicle ahead on hard. This automatic emergency winding or hilly roads. If the FCA system does not seem to braking can only occur if a vehicle is (Continued) operate properly, this may correct detected. This is shown by the FCA the issue: GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 235

Warning (Continued) { Warning { Warning . Detect all vehicles, AEB may automatically brake the IBA may increase vehicle braking especially vehicles with a vehicle suddenly in situations in situations when it may not be trailer, tractors, muddy where it is unexpected and necessary. You could block the vehicles, etc. undesired. It could respond to a flow of traffic. If this occurs, take . Detect a vehicle when turning vehicle ahead, guardrails, your foot off the brake pedal and weather limits visibility, such signs, and other non-moving then apply the brakes as needed. as in fog, rain, or snow. objects. To override AEB, firmly . Detect a vehicle ahead if it press the accelerator pedal, if it is AEB and IBA can be disabled is partially blocked by safe to do so. through vehicle personalization. See pedestrians or other objects. “Collision/Detection Systems” under Vehicle Personalization 0 146. Complete attention is always Intelligent Brake Assist (IBA) required while driving, and you IBA may activate when the brake should be ready to take action pedal is applied quickly by providing { Warning and apply the brakes and/or steer a boost to braking based on the Using AEB or IBA while towing a the vehicle to avoid crashes. speed of approach and distance to trailer could cause you to lose a vehicle ahead. control of the vehicle and crash. AEB may slow the vehicle to a Minor brake pedal pulsations or Turn the system to Alert, or if the complete stop to try to avoid a pedal movement during this time is vehicle has ACC to Off, when potential crash. If this happens, AEB normal and the brake pedal should towing a trailer. may engage the Electric Parking continue to be applied as needed. Brake (EPB) to hold the vehicle at a IBA will automatically disengage stop. Release the EPB or firmly only when the brake pedal is A system unavailable message may press the accelerator pedal. released. display if: . The front of the vehicle or windshield is not clean. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

236 Driving and Operating . Heavy rain or snow is interfering (AEB) system may also respond to with object detection. pedestrians. See Automatic Warning (Continued) Emergency Braking (AEB) 0 234. . There is a problem with the . Due to poor visibility, StabiliTrak/Electronic Stability The FPB system can detect and including nighttime Control (ESC) system. alert to pedestrians in a forward conditions, fog, rain, The AEB system does not need gear at speeds between 8 km/h or snow. service. (5 mph) and 80 km/h (50 mph). During daytime driving, the system . If the FPB sensor is blocked detects pedestrians up to a distance by dirt, snow, or ice. Front Pedestrian Braking of approximately 40 m (131 ft). . If the headlamps or (FPB) System During nighttime driving, system windshield are not cleaned If equipped, the FPB system may performance is very limited. or in proper condition. help avoid or reduce the harm Be ready to take action and apply caused by front-end crashes with { Warning the brakes. For more information, nearby pedestrians when driving in see Defensive Driving 0 175. FPB does not provide an alert or a forward gear. FPB displays an Keep the windshield, headlamps, automatically brake the vehicle, amber indicator, ~, when a nearby and FPB sensor clean and in unless it detects a pedestrian. pedestrian is detected ahead. When good repair. approaching a detected pedestrian FPB may not detect pedestrians, too quickly, FPB provides a red including children: FPB can be set to Off, Alert, or Alert flashing alert on the windshield and . When the pedestrian is not and Brake through vehicle rapidly beeps or pulses the driver directly ahead, fully visible, personalization. See Collision/ seat. FPB can provide a boost to or standing upright, or when “ braking or automatically brake the Detection Systems” under Vehicle part of a group. 0 vehicle. This system includes Personalization 146. (Continued) Intelligent Brake Assist (IBA), and the Automatic Emergency Braking GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 237 Detecting the Pedestrian the front, or both sides of the Safety of the accelerator pedal will also Ahead Alert Seat will pulse five times. release Automatic Braking and When this Pedestrian Alert occurs, the EPB. the brake system may prepare for driver braking to occur more rapidly which can cause a brief, mild { Warning deceleration. Continue to apply the FPB may alert or automatically brake pedal as needed. Cruise brake the vehicle suddenly in control may be disengaged when situations where it is unexpected the Front Pedestrian Alert occurs. FPB alerts and automatic braking and undesired. It could falsely will not occur unless the FPB Automatic Braking alert or brake for objects similar in system detects a pedestrian. When shape or size to pedestrians, If FPB detects it is about to crash a nearby pedestrian is detected in including shadows. This is normal into a pedestrian directly ahead, and front of the vehicle, the pedestrian operation and the vehicle does the brakes have not been applied, ahead indicator will display amber. not need service. To override FPB may automatically brake Automatic Braking, firmly press Front Pedestrian Alert moderately or brake hard. This can help to avoid some very low speed the accelerator pedal, if it is safe pedestrian crashes or reduce to do so. pedestrian injury. FPB can automatically brake to detected Automatic Braking can be disabled pedestrians between 8 km/h (5 mph) through vehicle personalization. See and 80 km/h (50 mph). Automatic “Front Pedestrian Detection” in braking levels may be reduced “Collision/Detection Systems” under under certain conditions, such as Vehicle Personalization 0 146. When the vehicle approaches a higher speeds. pedestrian ahead too rapidly, the If this happens, Automatic Braking red FPB alert display will flash on may engage the Electric Parking the windshield. Eight rapid Brake (EPB) to hold the vehicle at a high-pitched beeps will sound from stop. Release the EPB. A firm press GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

238 Driving and Operating and a vehicle is also detected on { Warning the same side, the display will flash Warning (Continued) as an extra warning not to change Using the Front Pedestrian lanes. Since this system is part of lanes under all driving conditions. Braking system while towing a the Lane Change Alert (LCA) Failure to use proper care when trailer could cause you to lose system, read the entire LCA section changing lanes may result in control of the vehicle and crash. before using this feature. injury, death, or vehicle damage. Turn the system to Alert or Off Before making a lane change, when towing a trailer. Lane Change Alert (LCA) always check mirrors, glance over your shoulder, and use the turn If equipped, the LCA system is a signals. Cleaning the System lane-changing aid that assists If FPB does not seem to operate drivers with avoiding lane change properly, cleaning the outside of the crashes that occur with moving LCA Detection Zones windshield in front of the rearview vehicles in the side blind zone (or mirror may correct the issue. spot) areas or with vehicles rapidly approaching these areas from Side Blind Zone behind. The LCA warning display will light up in the corresponding Alert (SBZA) outside mirror and will flash if the If equipped, the SBZA system is a turn signal is on. lane-changing aid that assists drivers with avoiding crashes that { Warning occur with moving vehicles in the side blind zone (or spot) areas. LCA does not alert the driver to 1. SBZA Detection Zone When the vehicle is in a forward vehicles outside of the system 2. LCA Detection Zone gear, the left or right side mirror detection zones, pedestrians, The LCA sensor covers a zone of display will light up if a moving bicyclists, or animals. It may not approximately one lane over from vehicle is detected in that blind provide alerts when changing both sides of the vehicle, or 3.5 m zone. If the turn signal is activated (Continued) (11 ft). The height of the zone is GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 239 approximately between 0.5 m (1.5 ft) When the vehicle is started, both highway road with traffic and and 2 m (6 ft) off the ground. The outside mirror LCA displays will roadside objects (e.g., guardrails, Side Blind Zone Alert (SBZA) briefly come on to indicate the barriers). warning area starts at approximately system is operating. When the LCA displays may not come on the middle of the vehicle and goes vehicle is in a forward gear, the left when passing a vehicle quickly, for back 5 m (16 ft). Drivers are also or right outside mirror display will a stopped vehicle, or when towing a warned of vehicles rapidly light up if a moving vehicle is trailer. The LCA detection zones approaching from up to 70 m (230 ft) detected in the next lane over in that that extend back from the side of behind the vehicle. blind zone or rapidly approaching the vehicle do not move further back that zone. If the turn signal is How the System Works when a trailer is towed. Use caution activated in the same direction as a while changing lanes when towing a The LCA symbol lights up in the detected vehicle, this display will trailer. LCA may alert to objects outside mirrors when the system flash as an extra warning not to attached to the vehicle, such as a detects a moving vehicle in the next change lanes. trailer, bicycle, or object extending lane over that is in the side blind LCA can be disabled through out to either side of the vehicle. zone or rapidly approaching that vehicle personalization. When you Attached objects may also interfere zone from behind. A lit LCA symbol disable LCA, Side Blind Zone Alert with the detection of vehicles. This indicates it may be unsafe to is also disabled. See “Collision/ is normal system operation; the change lanes. Before making a lane Detection Systems” under Vehicle vehicle does not need service. change, check the LCA display, 0 Personalization 146. If LCA is LCA may not always alert the driver check mirrors, glance over your disabled by the driver, the LCA shoulder, and use the turn signals. to vehicles in the next lane over, mirror displays will not light up. especially in wet conditions or when When the System Does Not driving on sharp curves. The system Seem to Work Properly does not need to be serviced. The system may light up due to The LCA system requires some guardrails, signs, trees, shrubs, and driving for the system to calibrate to other non-moving objects. This is maximum performance. This Left Outside Right Outside normal system operation; the calibration may occur more quickly if vehicle does not need service. Mirror Display Mirror Display the vehicle is driving on a straight GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

240 Driving and Operating LCA may not operate when the LCA Lane Keep Assist (LKA) sensors in the left or right corners of { Warning the rear bumper are covered with If equipped, LKA may help avoid mud, dirt, snow, ice, or slush, or in crashes due to unintentional lane The LKA system does not heavy rainstorms. For cleaning departures. This system uses a continuously steer the vehicle. instructions, see "Washing the camera to detect lane markings It may not keep the vehicle in the Vehicle" under Exterior Care 0 342. between 60 km/h (37 mph) and 180 lane or give a Lane Departure If the DIC still displays the system km/h (112 mph). It may assist by Warning (LDW) alert, even if a unavailable message after cleaning gently turning the steering wheel if lane marking is detected. the vehicle approaches a detected both sides of the vehicle toward the The LKA and LDW systems rear corners of the vehicle, see your lane marking. It may also provide a may not: dealer. Lane Departure Warning (LDW) alert if the vehicle crosses a . Provide an alert or enough If the LCA displays do not light up detected lane marking. LKA can be steering assist to avoid a when moving vehicles are in the overridden by turning the steering lane departure or crash. side blind zone or are rapidly wheel. This system is not intended approaching this zone and the to keep the vehicle centered in the . Detect lane markings under system is clean, the system may lane. LKA will not assist and alert if poor weather or visibility need service. Take the vehicle to the turn signal is active in the conditions. This can occur if your dealer. direction of lane departure, or if it the windshield or headlamps are blocked by Radio Frequency Information detects that you are accelerating, braking or actively steering. dirt, snow, or ice; if they are See Radio Frequency Statement not in proper condition; or if 0 380. the sun shines directly into the camera. . Detect road edges. . Detect lanes on winding or hilly roads. (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 241 Lane Departure Warning (LDW) Warning (Continued) { Warning alert by flashing A amber if the vehicle crosses a detected lane If LKA only detects lane markings Using LKA while towing a trailer marking. Additionally, there may be or on slippery roads could cause on one side of the road, it will three beeps on the right or left, only assist or provide an LDW loss of control of the vehicle and depending on the lane departure alert when approaching the lane a crash. Turn the system off. direction. on the side where it has detected Take Steering a lane marking. Even with LKA How the System Works and LDW, you must steer the The LKA system does not vehicle. Always keep your LKA uses a camera sensor installed continuously steer the vehicle. attention on the road and on the windshield ahead of the If LKA does not detect active driver maintain proper vehicle position rearview mirror to detect lane steering, an alert and chime may be within the lane, or vehicle markings. It may provide brief provided. Steer the vehicle to steering assist if it detects an damage, injury, or death could dismiss. LKA may become unintended lane departure. It may occur. Always keep the temporarily unavailable after further provide an audible alert that repeated take steering alerts. windshield, headlamps, and a lane marking has been crossed. camera sensors clean and in A When the System Does Not good repair. Do not use LKA in To turn LKA on and off, press Seem to Work Properly bad weather conditions or on on the center console. If equipped, roads with unclear lane markings, the indicator light on the button The system performance may be such as construction zones. comes on when LKA is on and turns affected by: off when LKA is disabled. . Close vehicles ahead. A is green if LKA is ready to . Sudden lighting changes, such assist. LKA may assist by gently as when driving through tunnels. turning the steering wheel if the vehicle approaches a detected . Banked roads. lane marking. A is amber when . Roads with poor lane markings, assisting. It may also provide a such as two-lane roads. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

242 Driving and Operating A camera blocked message may Fuel Recommended Fuel display if the camera is blocked. Some driver assistance systems may have reduced performance or Top Tier Fuel not work at all. An LKA or LDW GM recommends the use of TOP unavailable message may display if TIER Detergent Gasoline to keep the systems are temporarily the engine clean, reduce engine unavailable. This message could be deposits, and maintain optimal due to a blocked camera. The LKA vehicle performance. Look for the system does not need service. TOP TIER Logo or see Use regular unleaded gasoline Clean the outside of the windshield www.toptiergas.com for a list of TOP meeting ASTM specification D4814 behind the rearview mirror. TIER Detergent Gasoline marketers with a posted octane rating of 87 — and applicable countries. (R+M)/2 — or higher. Do not use LKA assistance and/or LDW alerts gasoline with a posted octane rating may occur due to tar marks, of less than 87, as this may cause shadows, cracks in the road, engine knock and will lower fuel temporary or construction lane economy. markings, or other road imperfections. This is normal system Do not use any fuel labeled E85 or operation; the vehicle does not need FlexFuel. Do not use gasoline with service. Turn LKA off if these ethanol levels greater than 15% by conditions continue. volume. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 243 Prohibited Fuels (9,000 mi), whichever occurs first. Caution (Continued) TOP TIER Detergent Gasoline and ACDelco Fuel System Treatment Caution . Fuel with a posted octane Plus−Gasoline will help keep your rating of less than the Do not use fuels with any of the vehicle’s engine fuel deposit free recommended fuel. Using and performing optimally. following conditions; doing so this fuel will lower fuel may damage the vehicle and void economy and performance, its warranty: and may decrease the life of Filling the Tank the emissions catalyst. . For vehicles that are not An arrow on the fuel gauge FlexFuel, fuel labeled indicates which side of the vehicle the fuel door is on. See Fuel Gauge greater than 15% ethanol by Fuels in Foreign 0 volume, such as mid-level 122. ethanol blends (16–50% Countries ethanol), E85, or FlexFuel. The U.S., Canada, and Mexico post { Warning . Fuel with any amount of fuel octane ratings in anti-knock index (AKI). For fuel not to use in a Fuel vapors and fuel fires burn methanol, methylal, violently and can cause injury or ferrocene, and aniline. foreign country, see Prohibited 0 death. These fuels can corrode Fuels 243. metal fuel system parts or Follow these guidelines to help damage plastic and rubber Fuel Additives avoid injuries to you and others: parts. TOP TIER Detergent Gasoline is . Read and follow all the . Fuel containing metals such highly recommended for use with instructions on the fuel as methylcyclopentadienyl your vehicle. If your country does pump island. not have TOP TIER Detergent manganese tricarbonyl . Turn off the engine when Gasoline, add ACDelco Fuel (MMT), which can damage refueling. the emissions control System Treatment Plus−Gasoline to system and spark plugs. the vehicle’s gasoline fuel tank at (Continued) (Continued) every oil change or 15 000 km GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

244 Driving and Operating

Warning (Continued) Warning (Continued) . Keep sparks, flames, and . Vehicle performance issues, smoking materials away including engine stalling and from fuel. damage to the fuel system. . Do not leave the fuel pump . Fuel spills. unattended. . Under certain conditions, . Avoid using electronic fuel fires. devices while refueling. . Do not re-enter the vehicle Be careful not to spill fuel. Wait while pumping fuel. five seconds after you have finished To open the fuel door, push and . Keep children away from pumping before removing the fill release the rearward center edge of nozzle. Clean fuel from painted the fuel pump and never let the door. children pump fuel. surfaces as soon as possible. See The capless refueling system does Exterior Care 0 342. Push the fuel . Before touching the fill not have a fuel cap. Fully insert and door closed until it latches. nozzle, touch a metallic latch the fill nozzle, then begin object to discharge static fueling. electricity from your body. { Warning . Fuel can spray out if the fill If a fire starts while you are nozzle is inserted too { Warning refueling, do not remove the fill quickly. This spray can Overfilling the fuel tank by more nozzle. Shut off the flow of fuel by happen if the tank is nearly than three clicks of a standard fill shutting off the pump or by full, and is more likely in hot nozzle may cause: notifying the station attendant. weather. Insert the fill nozzle Leave the area immediately. slowly and wait for any hiss (Continued) noise to stop before beginning to flow fuel. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 245 Filling the Tank with a Portable 3. Remove and clean the funnel Fuel Container adapter and return it to the Warning (Continued) storage location. If the vehicle runs out of fuel and . Bring the fill nozzle in must be filled from a portable fuel contact with the inside of container: Filling a Portable Fuel the fill opening before Container operating the nozzle. Maintain contact until filling is complete. { Warning . Keep sparks, flames, and Never fill a portable fuel container smoking materials away while it is in the vehicle. Static from fuel. electricity discharge from the 1. Locate the capless funnel container can ignite the fuel . Do not use electronic devices while pumping fuel. adapter from the rear cargo vapor. You or others could be area under the load floor. badly burned and the vehicle 2. Insert and latch the funnel into could be damaged. To help avoid the capless fuel system. injury to you and others: . Dispense fuel only into { Warning approved containers. Attempting to refuel from a . Do not fill a container while it is inside a vehicle, in a portable fuel container without vehicle's trunk, in a pickup using the funnel adapter may bed, or on any surface other cause fuel spillage and damage than the ground. the capless fuel system. This could cause a fire. You or others (Continued) could be badly burned and the vehicle could be damaged. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

246 Driving and Operating Trailer Towing important for your safety and that of Warning (Continued) your passengers. Read this section carefully before pulling a trailer. General Towing trailer brakes are inadequate for Information the load, the vehicle may not stop When towing a trailer: as expected. You and others . Become familiar with and follow Only use towing equipment that has could be seriously injured. The all state and local laws that been designed for the vehicle. vehicle may also be damaged, apply to trailer towing. These Contact your dealer or trailering and the repairs would not be requirements vary from state to dealer for assistance with preparing covered by the vehicle warranty. state. the vehicle to tow a trailer. Read the Pull a trailer only if all the steps in entire section before towing a trailer. . State laws may require the use this section have been followed. of extended side view mirrors. To tow a disabled vehicle, see Ask your dealer for advice and Even if not required, you should 0 Towing the Vehicle 338. To tow information about towing a trailer install extended side view the vehicle behind another vehicle with the vehicle. mirrors if your visibility is limited such as a motor home, see or restricted while towing. Recreational Vehicle Towing 0 339. Driving with a Trailer . Do not tow a trailer during the Driving Characteristics first 800 km (500 mi) of vehicle Trailering is different than just use to prevent damage to the and Towing Tips driving the vehicle by itself. engine, axle, or other parts. Trailering means changes in handling, acceleration, braking, . It is recommended to perform { Warning durability, and fuel economy. the first oil change before heavy towing. You can lose control when towing Successful, safe trailering takes a trailer if the correct equipment is correct equipment, and it has to be . During the first 800 km (500 mi) not used or the vehicle is not used properly. of trailer towing, do not drive driven properly. For example, The following information has many over 80 km/h (50 mph) and do if the trailer is too heavy or the time-tested, important trailering tips not make starts at full throttle. (Continued) and safety rules. Many of these are GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 247 . Vehicles can tow in D (Drive). If equipped with Lane Change Alert Tow/Haul Mode is recommended (LCA), the LCA detection zones that Warning (Continued) for heavier trailers. See Tow/ extend back from the side of the Haul Mode 0 206. If the vehicle do not move further back . Adjust the climate control transmission downshifts too when a trailer is towed. Use caution system to a setting that often, a lower gear may be while changing lanes when towing a brings in only outside air. selected using Manual Mode. trailer. See “Climate Control 0 Systems” in the Index. See Manual Mode 205. If equipped with Rear Cross Traffic If equipped, the following driver Alert (RCTA), use caution while For more information about assistance features should be backing up when towing a trailer, as carbon monoxide, see Engine turned off when towing a trailer: the RCTA detection zones that Exhaust 0 200. . Adaptive Cruise Control (ACC) extend out from the back of the vehicle do not move further back Towing a trailer requires experience. . Super Cruise Control when a trailer is towed. The combination of the vehicle and . Lane Keep Assist (LKA) trailer is longer and not as responsive as the vehicle itself. Get . Park Assist { Warning used to the handling and braking of . Automatic Parking Assist (APA) To prevent serious injury or death the combination by driving on a . Reverse Automatic from carbon monoxide (CO), level road surface before driving on Braking (RAB) when towing a trailer: public roads. If equipped, the following driver . Do not drive with the The trailer structure, the tires, and assistance features should be liftgate, trunk/hatch, the brakes must be all be rated to turned to alert or off when towing a or rear-most window open. carry the intended cargo. trailer: . Fully open the air outlets on Inadequate trailer equipment can cause the combination to operate in . Automatic Emergency or under the instrument panel. an unexpected or unsafe manner. Braking (AEB) Before driving, inspect all trailer . Intelligent Brake Assist (IBA) (Continued) hitch parts and attachments, safety chains, electrical connectors, lamps, . Front Pedestrian Braking (FPB) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

248 Driving and Operating tires, and mirrors. See Towing Passing Making Turns Equipment 0 253. If the trailer has More passing distance is needed electric brakes, start the when towing a trailer. The Caution combination moving and then combination of the vehicle and manually apply the trailer brake trailer will not accelerate as quickly Turn more slowly and make wider controller to check the trailer brakes and is much longer than the vehicle arcs when towing a trailer to work. During the trip, occasionally alone. It is necessary to go much prevent damage to your vehicle. check that the cargo and trailer are farther beyond the passed vehicle Making very sharp turns could secure and that the lamps and any before returning to the lane. Pass cause the trailer to contact the trailer brakes are working. on level roadways. Avoid passing vehicle. Towing with a Stability Control on hills if possible. System Backing Up Make wider turns than normal when towing, so the trailer will not go over When towing, the stability control Hold the bottom of the steering system might be heard. The system soft shoulders, over curbs, or strike wheel with one hand. To move the road signs, trees, or other objects. reacts to vehicle movement caused trailer to the left, move that hand to by the trailer, which mainly occurs Always signal turns well in advance. the left. To move the trailer to the Do not steer or brake suddenly. during cornering. This is normal right, move that hand to the right. when towing heavier trailers. Always back up slowly and, Driving on Grades if possible, have someone Following Distance Reduce speed and shift to a lower guide you. Stay at least twice as far behind the gear before starting down a long or vehicle ahead as you would when steep downhill grade. If the driving without a trailer. This can transmission is not shifted down, the help to avoid heavy braking and brakes may overheat and result in sudden turns. reduced braking efficiency. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 249 The vehicle can tow in D (Drive). Parking on Hills Leaving After Parking on a Hill Shift the transmission to a lower 1. Apply and hold the brake gear if the transmission shifts too pedal: often under heavy loads and/or hilly { Warning conditions. To prevent serious injury or death, . Start the engine. When towing at higher altitudes, always park your vehicle and . Shift into a gear. trailer on a level surface when engine coolant will boil at a lower . Release the parking brake. temperature than at lower altitudes. possible. If the engine is turned off 2. Let up on the brake pedal. immediately after towing at high When parking your vehicle and your 3. Drive slowly until the trailer is altitude on steep uphill grades, the trailer on a hill: clear of the chocks. vehicle could show signs similar to engine overheating. To avoid this, 1. Press the brake pedal, but do 4. Stop and have someone pick let the engine run, preferably on not shift into P (Park) yet. Turn up and store the chocks. level ground, with the transmission the wheels into the curb if Maintenance When Trailer in P (Park) for a few minutes before facing downhill or into traffic if Towing turning the engine off. If the facing uphill. overheat warning comes on, see The vehicle needs service more 0 2. Have someone place chocks Engine Overheating 279. under the trailer wheels. often when used to tow trailers. See Maintenance Schedule 0 353. It is Viewing Systems 3. When the wheel chocks are in especially important to check the If equipped, the viewing systems on place, gradually release the engine oil, axle lubricant, belts, the vehicle can improve visibility brake pedal to allow the chocks cooling system, and brake system while hitching, backing, and driving to absorb the load of the trailer. before and during each trip. with a trailer. See Driver Assistance 4. Reapply the brake pedal. Then Check periodically that all nuts and Systems 0 225 and apply the parking brake and bolts on the trailer hitch are tight. Assistance Systems for Parking or shift into P (Park). Backing 0 227. 5. Release the brake pedal. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

250 Driving and Operating Engine Cooling When Trailer Trailer Weight The only way to be sure the weight Towing is not exceeding any of these ratings is to weigh the tow vehicle The cooling system may temporarily { Warning and trailer combination, fully loaded overheat during severe operating Never exceed the towing capacity for the trip, getting individual conditions. See Engine Overheating weights for each of these items. 0 279. for your vehicle.

Trailer Towing Safe trailering requires monitoring { Warning the weight, speed, altitude, road You and others could be seriously Caution grades, outside temperature, injured or killed if the trailer is too dimensions of the front of the trailer, heavy or the trailer brakes are and how frequently the vehicle is Towing a trailer improperly can inadequate for the load. The used to tow a trailer. damage the vehicle and result in vehicle may be damaged, and the costly repairs not covered by the Trailer Weight Ratings repairs would not be covered by vehicle warranty. To tow a trailer the vehicle warranty. correctly, follow the directions in When towing a trailer, the weight of this section and see your dealer the loaded vehicle and trailer must Only tow a trailer if all the steps in for important information about be within the weight ratings for the this section have been followed. vehicle. towing a trailer with the vehicle. Ask your dealer for advice and . GCWR: Gross Combined Weight information about towing a trailer. Rating . GVWR: Gross Vehicle Weight Rating . Maximum Trailer Weight Rating . Maximum Trailer Tongue Weight GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 251 Gross Combined Weight Gross Vehicle Weight Maximum Trailer Weight Rating (GCWR) Rating (GVWR) Rating GCWR is the total allowable weight For information about the vehicle's The maximum trailer weight rating is of the completely loaded vehicle maximum load capacity, see Vehicle calculated assuming the tow vehicle and trailer including any fuel, Load Limits 0 186. When calculating has a driver, a front seat passenger, passengers, cargo, equipment, and the GVWR with a trailer attached, and all required trailering accessories. Do not exceed the the trailer tongue weight must be equipment. Weight of additional GCWR for your vehicle. The GCWR included as part of the weight the optional equipment, passengers, for the vehicle is on the Tow Rating vehicle is carrying. and cargo in the tow vehicle must Chart following. be subtracted from the trailer weight rating. Use the tow rating chart to determine how much the trailer can weigh, based on the vehicle model, powertrain and trailering options. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

252 Driving and Operating

Vehicle Maximum Trailer Weight *GCWR 2.0L LSY Engine 680 kg (1,500 lb) 2 835 kg (6,250 lb) 2.5L LCV Engine 454 kg (1,000 lb) 2 722 kg (6,000 lb) 3.6L LGX Engine, With V92 Trailer Towing Package 1 814 kg (4,000 lb) 4 075 kg (8,984 lb) 3.6L LGX Engine, Without V92 Trailer Towing 454 kg (1,000 lb) 2 722 kg (6,000 lb) Package *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.

Maximum Trailer Tongue allowable tongue weight the vehicle Weight Rating can carry, which also reduces the maximum allowable trailer weight. The Maximum Trailer Tongue Weight Rating is the allowable Trailer Load Balance trailer tongue weight that the vehicle The correct trailer load balance can support. Do not exceed a must be maintained to ensure trailer maximum trailer tongue weight of stability. Incorrect load balance is a 500 lbs. The trailer tongue weight leading cause of trailer sway. contributes to the Gross Vehicle Weight (GVW). GVW includes the CURB WEIGHT of your vehicle, any passengers, cargo, equipment and the trailer tongue weight. Vehicle The trailer tongue weight (1) should options, passengers, cargo, and be 10–15% of the loaded trailer equipment reduce the maximum weight (2). Some specific trailer types, such as boat trailers, fall GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 253 outside of this range. Always refer Towing Equipment monoxide (CO) from the exhaust to the trailer owner’s manual for the may enter your vehicle. See Engine recommended trailer tongue weight Hitches Exhaust 0 200. for each trailer. Never exceed the Always use the correct hitch Hitch Cover maximum loads for your vehicle, equipment for your vehicle. hitch and trailer. Crosswinds, large trucks going by, After loading the trailer, separately and rough roads can affect the weigh the trailer and then the trailer and the hitch. tongue to see if the weights are Proper hitch equipment for your proper. If the trailer tongue weight is vehicle helps maintain combination too high or too low, adjustments control. Many trailers can be towed might be made by moving some using a weight-carrying hitch which items around in the trailer. has a coupler latched to the hitch If a cargo carrier is used in the ball, or a tow eye latched to a pintle trailer hitch receiver, choose a hook. Other trailers may require a carrier that positions the load as weight-distributing hitch that uses close to the vehicle as possible. spring bars to distribute the trailer Make sure the total weight, tongue weight between your vehicle including the carrier, is no more than and trailer axles. See “Trailer 1. Upper Attachments half of the maximum allowable Tongue Weight” under Trailer 2. Fasteners tongue weight for the vehicle or Towing 0 250 or weight limits with To remove hitch cover, if equipped: 181 kg (400 lb), whichever is less. various hitch types. 1. Remove the two fasteners on Ask your dealer for trailering Never attach rental hitches or other the lower tabs (2). information or assistance. bumper-type hitches. Only use frame-mounted hitches that do not 2. Pull the lower edge of the attach to the bumper. cover to about a 45 degree angle. Always seal any holes in your vehicle if the trailer hitch removed. If not sealed, dirt, water, and carbon GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

254 Driving and Operating 3. Pull the cover downward to Weight-Distributing Hitch Tires disengage the upper Adjustment Do not tow a trailer while using a attachments (1). . compact spare tire on the To reinstall hitch cover: vehicle. 1. Hold cover at a 45 degree . Tires must be properly inflated to angle to the vehicle and push support loads while towing a the upper tabs into the slots in trailer. See Tires 0 297 for the bumper. instructions on proper tire 2. Push the bottom of the cover inflation. forward until the lower tabs line Safety Chains up with the lower slots (1). Always attach chains between the 3. Snap the hitch cover into place vehicle and the trailer, and attach by pushing the upper corners the chains to the holes on the trailer forward. hitch platform. Instructions about 4. Reinstall the two fasteners on 1. Front of Vehicle safety chains may be provided by the lower tabs (2). 2. Body to Ground Distance the hitch manufacturer or by the trailer manufacturer. Consider using mechanical sway When using a weight-distributing controls with any trailer. Ask a hitch, measure the front fender Cross the safety chains under the trailering professional about sway height distance (2) before tongue of the trailer to help prevent controls or refer to the trailer connecting the trailer. Adjust the the tongue from contacting the road manufacturer's recommendations spring bars until the front fender if it becomes separated from the and instructions. height distance (2) is the same hitch. Always leave just enough height before the trailer was slack so the combination can turn. connected. Do not reduce the front Never allow safety chains to drag on fender height below the initial the ground. distance (2). GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 255 Trailer Brakes Use only a round, seven-wire connector with flat blade terminals Loaded trailers over 450 kg meeting SAE J2863 specifications (1,000 lb) must be equipped with for proper electrical connectivity. brake systems and with brakes for each axle. Trailer braking equipment The seven-wire harness contains conforming to Canadian Standards the following trailer circuits: Association (CSA) requirement Stop/Turn Yellow/Gray CAN3-D313, or its equivalent, is Signal Left recommended. Stop/Turn Green/Violet State or local regulations may Signal Right require trailers to have their own Tail/Parking braking system if the loaded weight Gray/Brown of the trailer exceeds certain 1. Left Turn/Brake Lamps minimums that can vary from state 2. Tail Lamps Reverse Lamps White/Green to state. Read and follow the 3. Reverse Lamps instructions for the trailer brakes so 4. Battery feed Battery Feed Red/Green they are installed, adjusted, and 5. Right Turn/Brake Ground Black maintained properly. Never attempt 6. Electric Brakes Electric Trailer to tap into your vehicle's hydraulic 7. Ground Blue brake system. If you do, both the Brake vehicle anti-lock brakes and the If the vehicle is not equipped with a trailer brakes may not function, trailer connector on the trailer hitch, Electric Brake Control Wiring which could result in a crash. a 7-wire trailering harness is tied to Provisions the vehicles frame. The harness If equipped, (4) blunt-cut wires are Trailer Wiring Harness requires the installation of a trailer located near the driver's feet for an connector, which is available lf equipped, the trailer wiring aftermarket electric trailer brake through your dealer. harness, with a 7-pin connector is controller as part of the trailer wiring mounted on the trailer hitch. package. The harness contains the following circuits: GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

256 Driving and Operating

Electric Trailer Turn Signals When Towing a Tow/Haul Mode is most useful when Blue Brakes Trailer towing a heavy trailer or carrying a large or heavy load: Red/Black or When properly connected, the trailer Battery Feed . through rolling terrain Red/Blue turn signals should will illuminate to indicate the vehicle is turning, . in stop-and-go traffic Brake Apply White/Blue changing lanes, or stopping. When Signal towing a trailer, the arrows on the . in busy parking lots Ground Black instrument cluster will illuminate Operating the vehicle in Tow/Haul even if the trailer is not properly Mode when lightly loaded or not Refer to the aftermarket electric connected or the bulbs are towing will not cause damage; trailer brake controller owner's burned out. however, it is not recommended and may result in unpleasant engine and manual to determine wire color Tow/Haul Mode coding of the electric trailer brake transmission driving characteristics controller. The wire colors on the For instructions on how to enter and reduced fuel economy. brake controller may be different Tow/Haul mode, see Driver Mode from the vehicle. It may be Control 0 212. Trailer Sway necessary to have a technician Tow/Haul assists when pulling a Control (TSC) connect the 12-volt power to the heavy trailer or a large or heavy Vehicles with StabiliTrak/Electronic engine compartment fuse block. The load. See Tow/Haul Mode 0 206. electric trailer brake controller Stability Control (ESC) have a should be installed by your dealer or Tow/Haul Mode is designed to be Trailer Sway Control (TSC) feature. a qualified service center. most effective when the vehicle and Trailer sway is unintended trailer combined weight is at least side-to-side motion of a trailer while Trailer Lamps 75% of the vehicle's Gross towing. If the vehicle is towing a Always check all trailer lamps are Combined Weight Rating (GCWR). trailer and the TSC detects that See “Weight of the Trailer” under sway is increasing, the vehicle working at the beginning of each 0 trip, and periodically on longer trips. Trailer Towing 250. brakes are selectively applied at each wheel, to help reduce excessive trailer sway. If equipped with the Integrated Trailer Brake GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Driving and Operating 257 Control (ITBC) system, and the Trailer Tires trailer has an electric brake system, { Warning Special Trailer (ST) tires differ from StabiliTrak/ESC may also apply the vehicle tires. Trailer tires are trailer brakes. Trailer sway can result in a crash and in serious injury or death, designed with stiff sidewalls to help even if the vehicle is equipped prevent sway and to support heavy with TSC. loads. These features can make it difficult to determine if the trailer tire If the trailer begins to sway, pressures are low only based on a reduce vehicle speed by visual inspection. gradually removing your foot from Always check all trailer tire the accelerator. Then pull over to pressures before each trip when the If TSC is enabled, the Traction check the trailer and vehicle to tires are cool. Low trailer tire Control System (TCS)/StabiliTrak/ help correct possible causes, pressure is a leading cause of trailer ESC warning light will flash on the including an improperly or tire blow-outs. instrument cluster. Reduce vehicle overloaded trailer, unrestrained speed by gradually removing your cargo, improper trailer hitch Trailer tires deteriorate over time. The trailer tire sidewall will show the foot from the accelerator. If trailer configuration, or improperly sway continues, StabiliTrak/ESC week and year the tire was inflated or incorrect vehicle or can reduce engine torque to help manufactured. Many trailer tire trailer tires. See Towing slow the vehicle. TSC will not 0 manufacturers recommend function if StabiliTrak/ESC is turned Equipment 253 for trailer ratings replacing tires more than six off. See Traction Control/Electronic and hitch setup years old. Stability Control 0 209. recommendations. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

258 Driving and Operating Overloading is another leading Conversions and cause of trailer tire blow-outs. Never Caution load your trailer with more weight Add-Ons than the tires are designed to Some electrical equipment can support. The load rating is located Add-On Electrical damage the vehicle or cause on the trailer tire sidewall. components to not work and Equipment would not be covered by the Always know the maximum speed vehicle warranty. Always check rating for the trailer tires before with your dealer before adding driving. This may be significantly { Warning electrical equipment. lower than the vehicle tire speed The Data Link Connector (DLC) is rating. The speed rating may be on used for vehicle service the trailer tire sidewall. If the speed and Emission Inspection/ Add-on equipment can drain the rating is not shown, the default vehicle's 12-volt battery, even if the Maintenance testing. See trailer tire speed rating is 105 km/h vehicle is not operating. (65 mph). Malfunction Indicator Lamp (Check Engine Light) 0 127. The vehicle has an airbag system. A device connected to the DLC — Before attempting to add anything such as an aftermarket fleet or electrical to the vehicle, see driver-behavior tracking device Servicing the Airbag-Equipped — 0 may interfere with vehicle Vehicle 75 and systems. This could affect vehicle Adding Equipment to the Airbag-Equipped Vehicle 0 76. operation and cause a crash. Such devices may also access information stored in the vehicle’s systems. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 259 Battery - North America ...... 283 Tire Sidewall Labeling ...... 300 Vehicle Care All-Wheel Drive ...... 284 Tire Designations ...... 302 Starter Switch Check ...... 284 Tire Terminology and Park Brake and P (Park) Definitions ...... 302 General Information Mechanism Check ...... 285 Tire Pressure ...... 305 General Information ...... 260 Wiper Blade Replacement . . . . 285 Tire Pressure for High-Speed California Proposition Windshield Replacement . . . . . 286 Operation ...... 306 65 Warning ...... 260 Gas Strut(s) ...... 286 Tire Pressure Monitor California Perchlorate System ...... 307 Materials Requirements . . . . . 261 Headlamp Aiming Tire Pressure Monitor Accessories and Front Headlamp Aiming ...... 288 Operation ...... 308 Modifications ...... 261 Bulb Replacement Tire Inspection ...... 312 Vehicle Checks Bulb Replacement ...... 288 Tire Rotation ...... 312 Doing Your Own Halogen Bulbs ...... 288 When It Is Time for New Service Work ...... 261 LED Lighting ...... 288 Tires ...... 313 Hood ...... 262 Buying New Tires ...... 314 Engine Compartment Electrical System Different Size Tires and Overview ...... 264 Electrical System Overload . . . 289 Wheels ...... 315 Engine Oil ...... 269 Fuses and Circuit Breakers . . . 289 Uniform Tire Quality Engine Oil Life System ...... 271 Engine Compartment Fuse Grading ...... 316 Automatic Transmission Block ...... 290 Wheel Alignment and Tire Fluid ...... 272 Instrument Panel Fuse Balance ...... 317 Engine Air Filter Life Block ...... 293 Wheel Replacement ...... 318 System ...... 273 Rear Compartment Fuse Tire Chains ...... 318 Engine Air Cleaner/Filter ...... 273 Block ...... 295 If a Tire Goes Flat ...... 319 Tire Sealant and Cooling System ...... 275 Wheels and Tires Engine Overheating ...... 279 Compressor Kit ...... 321 Tires ...... 297 Washer Fluid ...... 281 Storing the Tire Sealant and All-Season Tires ...... 298 Brakes ...... 281 Compressor Kit ...... 327 Winter Tires ...... 299 Brake Fluid ...... 282 Tire Changing ...... 328 Summer Tires ...... 299 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

260 Vehicle Care Compact Spare Tire ...... 334 General Information California Proposition Jump Starting For service and parts needs, visit 65 Warning Jump Starting - North your dealer. You will receive America ...... 335 genuine GM parts and GM-trained { Warning and supported service people. Towing the Vehicle Most motor vehicles, including Towing the Vehicle ...... 338 Genuine GM parts have one of this one, as well as many of its Recreational Vehicle these marks: service parts and fluids, contain Towing ...... 339 and/or emit chemicals known to Appearance Care the State of California to cause Exterior Care ...... 342 cancer and birth defects or other Interior Care ...... 346 reproductive harm. Engine Floor Mats ...... 350 exhaust, many parts and systems, many fluids, and some component wear by-products contain and/or emit these chemicals. For more information go to www.P65Warnings.ca.gov/ passenger-vehicle.

See Battery - North America 0 283 and Jump Starting - North America 0 335 and the back cover. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 261 California Perchlorate Damage to suspension components Vehicle Checks caused by modifying vehicle height Materials Requirements outside of factory settings will not be Certain types of automotive covered by the vehicle warranty. Doing Your Own applications, such as airbag Damage to vehicle components Service Work initiators, seat belt pretensioners, resulting from modifications or the and lithium batteries contained in installation or use of non-GM { Warning electronic keys, may contain certified parts, including control perchlorate materials. Perchlorate module or software modifications, is It can be dangerous to work on Material – special handling may not covered under the terms of the your vehicle if you do not have apply. See www.dtsc.ca.gov/ vehicle warranty and may affect the proper knowledge, service hazardouswaste/perchlorate. remaining warranty coverage for manual, tools, or parts. Always affected parts. follow owner s manual procedures Accessories and ’ GM Accessories are designed to and consult the service manual Modifications complement and function with other for your vehicle before doing any Adding non-dealer accessories or systems on the vehicle. See your service work. making modifications to the vehicle dealer to accessorize the vehicle can affect vehicle performance and using genuine GM Accessories If doing some of your own service safety, including such things as installed by a dealer technician. work, use the proper service airbags, braking, stability, ride and Also, see Adding Equipment to the manual. It tells you much more handling, emissions systems, Airbag-Equipped Vehicle 0 76. about how to service the vehicle aerodynamics, durability, and than this manual can. To order the electronic systems like antilock proper service manual, see brakes, traction control, and stability Publication Ordering Information control. These accessories or 0 379. modifications could even cause malfunction or damage not covered by the vehicle warranty. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

262 Vehicle Care This vehicle has an airbag system. Hood To open the hood: Before attempting to do your own 1. Pull the hood release lever with service work, see Servicing the Airbag-Equipped Vehicle 0 75. { Warning the i symbol. It is on the lower left side of the instrument If equipped with remote vehicle For vehicles with auto engine panel. start, open the hood before stop/start, turn the vehicle off performing any service work to before opening the hood. If the prevent remote starting the vehicle vehicle is on, the engine will start accidentally. See Remote Vehicle when the hood is opened. You or 0 Start 15. others could be injured. Keep a record with all parts receipts and list the mileage and the date of any service work performed. See Maintenance Records 0 364. { Warning Components under the hood can Caution get hot from running the engine. To help avoid the risk of burning Even small amounts of unprotected skin, never touch contamination can cause damage these components until they have 2. Go to the front of the vehicle to vehicle systems. Do not allow cooled, and always use a glove or and locate the secondary contaminants to contact the fluids, towel to avoid direct skin contact. release lever under the front reservoir caps, or dipsticks. center of the hood. Push the secondary hood release lever Clear any snow from the hood to the right to release. before opening. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 263 3. After you have partially lifted the hood, the gas strut system { Warning will automatically lift the hood and hold it in the fully open Do not drive the vehicle if the position. hood is not latched completely. The hood could open fully, block To close the hood: your vision, and cause a crash. 1. Before closing the hood, be You or others could be injured. sure all filler caps are on Always close the hood completely properly, and all tools are before driving. removed. 2. Pull the hood down until the strut system is no longer holding up the hood. 3. Allow the hood to fall. Check to make sure the hood is latched completely. Repeat this process with additional force if necessary. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

264 Vehicle Care Engine Compartment Overview

2.0L L4 Engine GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 265 1. Engine Air Cleaner/Filter 0 273. 6. Battery - North America 0 283. 9. Windshield Washer Fluid Reservoir. See Washer Fluid 2. Engine Oil Fill Cap. See 7. Engine Coolant Surge Tank 0 Engine Oil 0 269. and Pressure Cap. See 281. Cooling System 0 275. 10. Engine Compartment Fuse 3. Engine Oil Dipstick. See 0 Engine Oil 0 269. 8. Positive (+) Battery Terminal Block 290. 4. Engine Cooling Fan (Out of (Under Cover). See Jump 11. Remote Negative (-) Battery Starting - North America 0 335. Terminal. See Jump Starting - View). See Cooling System 0 0 275. North America 335. 5. Brake Fluid Reservoir. See Brake Fluid 0 282. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

266 Vehicle Care

2.5L L4 Engine GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 267 1. Engine Air Cleaner/Filter 0 273. 5. Windshield Washer Fluid 9. Positive (+) Battery Terminal Reservoir. See Washer Fluid (Under Cover). See Jump 2. Engine Oil Fill Cap. See 0 0 Engine Oil 0 269. 281. Starting - North America 335. 6. Brake Fluid Reservoir. See 10. Engine Compartment Fuse 3. Engine Oil Dipstick. See 0 0 Engine Oil 0 269. Brake Fluid 282. Block 290. 0 4. Engine Cooling Fan (Out of 7. Battery - North America 283. 11. Remote Negative (-) Battery Terminal. See Jump Starting - View). See Cooling System 8. Engine Coolant Surge Tank 0 0 275. and Pressure Cap. See North America 335. Cooling System 0 275. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

268 Vehicle Care

3.6L V6 Engine GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 269 1. Engine Air Cleaner/Filter 0 273. Engine Oil dipstick handle is a loop. See Engine Compartment Overview 2. Engine Oil Fill Cap. See To ensure proper engine 0 0 264 for the location. Engine Oil 269. performance and long life, careful 3. Engine Oil Dipstick. See attention must be paid to engine oil. Engine Oil 0 269. Following these simple, but { Warning important steps will help protect The engine oil dipstick handle 4. Engine Cooling Fan (Out of your investment: View). See Cooling System may be hot; it could burn you. 0 275. . Use engine oil approved to the Use a towel or glove to touch the proper specification and of the dipstick handle. 5. Windshield Washer Fluid proper viscosity grade. See Reservoir. See Washer Fluid 0 “Selecting the Right Engine Oil” 281. in this section. If a low oil Driver Information Center 6. Brake Fluid Reservoir. See (DIC) message displays, check the 0 . Check the engine oil level oil level. Brake Fluid 282. regularly and maintain the 7. Battery - North America 0 283. proper oil level. See “Checking Follow these guidelines: 8. Engine Coolant Surge Tank Engine Oil” and “When to Add . To get an accurate reading, park and Pressure Cap. See Engine Oil” in this section. the vehicle on level ground. Cooling System 0 275. . Change the engine oil at the Check the engine oil level after appropriate time. See Engine Oil the engine has been off for at 9. Positive (+) Battery Terminal. 0 least two hours. Checking the See Jump Starting - North Life System 271. 0 engine oil level on steep grades America 335. . Always dispose of engine oil or too soon after engine shutoff 10. Engine Compartment Fuse properly. See “What to Do with can result in incorrect readings. Block 0 290. Used Oil” in this section. Accuracy improves when checking a cold engine prior to 11. Remote Negative (-) Battery Checking Engine Oil starting. Remove the dipstick Terminal. See Jump Starting - Check the engine oil level regularly, 0 and check the level. North America 335. every 650 km (400 mi), especially prior to a long trip. The engine oil GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

270 Vehicle Care . If unable to wait two hours, the engine must be off for at least Caution (Continued) 15 minutes if the engine is warm, or at least 30 minutes if the engine has so much oil that the engine is not warm. Pull out the oil level gets above the the dipstick, wipe it with a clean cross-hatched area that shows the proper operating range), the paper towel or cloth, then push it 3.6L V6 Engine back in all the way. Remove it engine could be damaged. Drain again, keeping the tip down, and If the oil is below the cross-hatched the excess oil or limit driving of check the level. area at the tip of the dipstick and the vehicle, and seek a service the engine has been off for at least professional to remove the When to Add Engine Oil 15 minutes, add 1 L (1 qt) of the excess oil. recommended oil and then recheck the level. See “Selecting the Right Engine Oil later in this section for See Engine Compartment Overview ” 0 an explanation of what kind of oil to 264 for the location of the engine use. For engine oil crankcase oil fill cap. capacity, see Capacities and Add enough oil to put the level Specifications 0 366. 2.0L L4 Turbo Engine somewhere in the proper operating range. Push the dipstick all the way Caution back in when through.

Do not add too much oil. Oil Selecting the Right Engine Oil levels above or below the Selecting the right engine oil acceptable operating range depends on both the proper oil shown on the dipstick are harmful specification and viscosity grade. 2.5L L4 Engine to the engine. If the oil level is See Recommended Fluids and above the operating range (i.e., Lubricants 0 362. (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 271 Specification For the 3.6L V6 engine, use SAE What to Do with Used Oil 5W-30 viscosity grade engine oil. Use full synthetic engine oils that Used engine oil contains certain Cold Temperature Operation: In an meet the dexos1 specification. elements that can be unhealthy for area of extreme cold, where the Engine oils that have been your skin and could even cause temperature falls below −29 °C approved by GM as meeting the cancer. Do not let used oil stay on (−20 °F), an SAE 0W-30 oil may be dexos1 specification are marked your skin for very long. Clean your used. An oil of this viscosity grade with the dexos1 approved logo. See skin and nails with soap and water, will provide easier cold starting for www.gmdexos.com. or a good hand cleaner. Wash or the engine at extremely low properly dispose of clothing or rags temperatures. containing used engine oil. See the When selecting an oil of the manufacturer's warnings about the appropriate viscosity grade, it is use and disposal of oil products. recommended to select an oil of the Used oil can be a threat to the correct specification. See environment. If you change your Specification earlier in this section. “ ” own oil, be sure to drain all the oil Engine Oil Additives/Engine from the filter before disposal. Never Caution Oil Flushes dispose of oil by putting it in the trash or pouring it on the ground, Failure to use the recommended Do not add anything to the oil. The into sewers, or into streams or engine oil or equivalent can result recommended oils meeting the bodies of water. Recycle it by taking in engine damage not covered by dexos1 specification are all that is it to a place that collects used oil. the vehicle warranty. needed for good performance and engine protection. Engine Oil Life System Viscosity Grade Engine oil system flushes are not recommended and could cause When to Change Engine Oil For the 2.0L L4 Turbo and the 2.5L engine damage not covered by the This vehicle has a computer system L4 engines, use SAE 0W-20 vehicle warranty. viscosity grade engine oil. that indicates when to change the engine oil and filter. This is based on a combination of factors which GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

272 Vehicle Care include engine revolutions, engine If the system is ever reset Automatic Transmission temperature, and miles driven. accidentally, the oil must be Based on driving conditions, the changed at 5 000 km (3,000 mi) Fluid mileage at which an oil change is since the last oil change. It is not necessary to check the indicated can vary considerably. For Remember to reset the oil life transmission fluid level. the oil life system to work properly, system whenever the oil is changed. A transmission fluid leak is the only the system must be reset every time reason for fluid loss. If a leak the oil is changed. How to Reset the Engine Oil occurs, take the vehicle to the Life System When the system has calculated dealer and have it repaired as soon that oil life has been diminished, it Reset the system whenever the as possible. indicates that an oil change is engine oil is changed so that the Change the fluid at the intervals necessary. A CHANGE ENGINE system can calculate the next listed in Maintenance Schedule OIL SOON message comes on. engine oil change. To reset the 0 353, and be sure to use the Change the oil as soon as possible system: transmission fluid listed in within the next 1 000 km (600 mi). 1. Display the REMAINING OIL Recommended Fluids and It is possible that, if driving under LIFE on the DIC. See Driver Lubricants 0 362. the best conditions, the oil life Information Center (DIC) system might indicate that an oil (Base) 0 137 or Caution change is not necessary for up to a Driver Information Center (DIC) year. The engine oil and filter must (Midlevel and Uplevel) 0 139. Use of the incorrect automatic be changed at least once a year transmission fluid may damage 2. Press and hold V on the DIC and, at this time, the system must the vehicle, and the damage may while the Oil Life display is be reset. Your dealer has trained not be covered by the vehicle service people who will perform this active. The oil life will change warranty. Always use the correct work and reset the system. It is also to 100%. automatic transmission fluid. See important to check the oil regularly If the CHANGE ENGINE OIL SOON over the course of an oil drain Recommended Fluids and message comes back on when the Lubricants 0 362. interval and keep it at the proper vehicle is started, the engine oil life level. system has not been reset. Repeat the procedure. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 273 If you need to check the If the DIC displays a message to When to Inspect the Engine Air transmission fluid level, take the check the engine air filter system, Cleaner/Filter vehicle to your dealer. see your dealer. If the vehicle is not equipped with Engine Air Filter Life How to Reset Engine Air Filter the engine air filter life system, see Life System Maintenance Schedule 0 353 for System intervals on inspecting and To reset: If equipped, this feature provides replacing the engine air cleaner/ filter. the engine air filter’s remaining life 1. Place the vehicle in P (Park). and best timing for a change. The 2. Display the Air Filter Life on the If equipped with the engine air filter timing to change an engine air filter DIC. See Driver Information life system, see Engine Air Filter depends on driving and Center (DIC) (Base) 0 137 or Life System 0 273. environmental conditions. Driver Information Center (DIC) (Midlevel and Uplevel) 0 139. How to Inspect/Replace the When to Change Engine Air Engine Air Cleaner/Filter Filter 3. Press p to move to the Reset/ Disable display area. Select Do not start the engine or have the When the Driver Information Center V engine running with the engine air (DIC) displays a message to replace Reset then press . cleaner/filter housing open. Before the engine air filter at the next oil 4. Press V to confirm to reset. removing the engine air cleaner/ change, follow this timing. filter, make sure that the engine air When the DIC displays a message Engine Air Cleaner/Filter cleaner/filter housing and nearby to replace the engine air filter soon, components are free of dirt and replace the engine air filter at the The engine air cleaner/filter is in the debris. Do not clean the engine air earliest convenience. engine compartment on the cleaner/filter or components with passenger side of the vehicle. See water or compressed air. The system must be reset after the Engine Compartment Overview engine air filter is changed. 0 264 for location. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

274 Vehicle Care To inspect or replace the air cleaner/ filter:

2.5L L4 Engine 3.6L V6 Engine 1. Remove the five screws and lift 1. Remove the five screws and lift 2.0L L4 Engine the cover out of the assembly. the cover out of the assembly. 1. Remove the five screws and lift 2. Inspect or replace the engine 2. Inspect or replace the engine the cover out of the assembly. air cleaner/filter. air cleaner/filter. 2. Inspect or replace the engine 3. Lower the cover and secure 3. Lower the cover and secure air cleaner/filter. with the five screws. with the five screws. 3. Lower the cover and secure 4. If equipped, reset the engine 4. If equipped, reset the engine with the five screws. air filter life system after air filter life system after 4. If equipped, reset the engine replacing the engine air filter. replacing the engine air filter. See Engine Air Filter Life See Engine Air Filter Life air filter life system after 0 0 replacing the engine air filter. System 273. System 273. See Engine Air Filter Life System 0 273. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 275

{ Warning Operating the engine with the air cleaner/filter off can cause you or others to be burned. Use caution when working on the engine. Do not start the engine or drive the vehicle with the air cleaner/filter off, as flames may be present if the engine backfires.

2.0L L4 Engine 2.5L L4 Engine Caution 1. Engine Cooling Fan (Out 1. Engine Cooling Fan (Out If the air cleaner/filter is off, dirt of View) of View) can easily get into the engine, 2. Engine Coolant Surge Tank 2. Engine Coolant Surge Tank which could damage it. Always and Pressure Cap and Pressure Cap have the air cleaner/filter in place when driving.

Cooling System The cooling system allows the engine to maintain the correct working temperature. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

276 Vehicle Care What to Use { Warning Do not touch heater or radiator { Warning hoses, or other engine parts. Do not touch heater or radiator They can be very hot and can hoses, or other engine parts. burn you. Do not run the engine if They can be very hot and can there is a leak; all coolant could burn you. Do not run the engine if leak out. That could cause an there is a leak; all coolant could engine fire and can burn you. Fix leak out. That could cause an any leak before driving the engine fire and can burn you. Fix vehicle. any leak before driving the 3.6L V6 Engine vehicle. Engine Coolant 1. Engine Cooling Fan (Out of View) The cooling system in the vehicle is Use a 50/50 mixture of clean, 2. Engine Coolant Surge Tank filled with DEX-COOL engine drinkable water and DEX-COOL and Pressure Cap coolant. This coolant needs to be coolant. This mixture: checked and replaced at . Gives freezing protection down appropriate intervals. See to −37 °C (−34 °F), outside { Warning Maintenance Schedule 0 353. temperature. An underhood electric fan can The following explains the cooling . Gives boiling protection up to start up even when the engine is system and how to check and add 129 °C (265 °F), engine coolant when it is low. If there is a not running and can cause injury. temperature. Keep hands, clothing, and tools problem with engine overheating, away from any underhood see Engine Overheating 0 279. . Protects against rust and electric fan. corrosion. . Will not damage aluminum parts. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 277 . Helps keep the proper engine Checking Coolant temperature. { Warning The vehicle must be on a level surface when checking the coolant Spilling coolant on hot engine Caution level. parts can burn you. Coolant Do not use anything other than a contains ethylene glycol and it will mix of DEX-COOL coolant that burn if the engine parts are hot meets GM Standard enough. GMW3420 and clean, drinkable water. Anything else can cause damage to the engine cooling { Warning system and the vehicle, which would not be covered by the Steam and scalding liquids from a vehicle warranty. hot cooling system are under pressure. Turning the pressure Never dispose of engine coolant by cap, even a little, can cause them putting it in the trash, pouring it on to come out at high speed and you could be burned. Never turn the ground, or into sewers, streams, Check to see if coolant is visible in or bodies of water. Have the coolant the coolant surge tank. If the coolant the cap when the cooling system, changed by an authorized service inside the coolant surge tank is including the pressure cap, is hot. center, familiar with legal boiling, do not do anything else until Wait for the cooling system and requirements regarding used it cools down. See Engine pressure cap to cool. coolant disposal. This will help Overheating 0 279. protect the environment and your health. The coolant surge tank is located in the engine compartment on the driver side of the vehicle. See Engine Compartment Overview 0 264. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

278 Vehicle Care and DEX-COOL coolant. Be sure 2. Keep turning the pressure cap { Warning the cooling system, including the slowly and remove it. coolant surge tank pressure cap, is Plain water, or other liquids such cool before you do it. as alcohol, can boil before the proper coolant mixture will. With plain water or the wrong mixture, the engine could get too hot but there would not be an overheat warning. The engine could catch fire and you or others could be burned. How to Add Coolant to the Coolant Surge Tank (2.5L and 3.6L Engines Only) Caution 1. Remove the coolant surge tank pressure cap when the cooling 3. Fill the coolant surge tank with Failure to follow the specific system, including the coolant the proper mixture to the coolant fill procedure could cause surge tank pressure cap and indicated level mark. the engine to overheat and could upper radiator hose, is no 4. With the coolant surge tank cause system damage. If coolant longer hot. pressure cap off, start the is not visible in the surge tank, Turn the pressure cap slowly engine and let it run until you contact your dealer. counterclockwise about can feel the upper radiator one-quarter of a turn. If you hose getting hot. Watch out for If no problem is found, check to see hear a hiss, wait for that to the engine cooling fan. if coolant is visible in the coolant stop. This will allow any By this time, the coolant level surge tank. If coolant is visible but pressure still left to be vented inside the coolant surge tank the coolant level is not at or above out the discharge hose. may be lower. If the level is the indicated mark, add a 50/ lower, add more of the proper 50 mixture of clean, drinkable water GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 279 mixture to the coolant surge Automatic Coolant Service Fill 7. At the same time, press the tank until the level reaches the (2.0L Engine Only) accelerator and the brake for indicated level mark. automatic transmission If equipped, this feature assists in 5. Replace the pressure cap vehicles for two seconds, then filling and removing air from the release. tightly. cooling system after service of 6. Verify coolant level after the components or when coolant is At the end of the cycle, check the engine is shut off and the added after being too low. coolant level in the surge tank and add coolant, if it is low. Turn off the coolant is cold. If necessary, To activate the fill and air removal repeat coolant fill procedure vehicle, allow the Engine Control process: Module (ECM) to go to sleep, about Steps 1–6. 1. With a cold system, disconnect two minutes, and repeat steps 3-7. If the coolant still is not at the the vent line from the port near proper level when the system Listen for pump activation and the cap on the surge tank. Add movement of the control valves cools down again, see your coolant to the indicated mark dealer. while watching the level of the tank. on the surge tank. If the tank empties, turn the ignition 2. Reconnect the vent line to the off, carefully remove the surge tank Caution surge tank and replace the cap cap, refill to the indicated mark and on the surge tank. repeat steps 3-6. The fill and air If the pressure cap is not tightly removal process will run for 3. Connect the vehicle to a installed, coolant loss and engine approximately 10 minutes. damage may occur. Be sure the battery charger. cap is properly and tightly 4. Put the vehicle in Service Engine Overheating secured. Mode. See Ignition Positions 0 190. The vehicle has several indicators to warn of the engine overheating. 5. Turn off the air conditioning. There is an engine coolant 6. Set the parking brake. temperature gauge on the instrument cluster. See Engine Coolant Temperature Gauge 0 123. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

280 Vehicle Care The vehicle may also display a If Steam Is Coming from the If the overheat warning is displayed message on the Driver Information Engine Compartment with no sign of steam: Center (DIC). 1. Turn the air conditioning off. If the decision is made not to lift the { Warning 2. Turn the heater on to the hood when this warning appears, highest temperature and to the Steam and scalding liquids from a get service help right away. See highest fan speed. Open the Roadside Assistance Program hot cooling system are under windows as necessary. 0 374. pressure. Turning the pressure cap, even a little, can cause them 3. When it is safe to do so, pull off If the decision is made to lift the the road, shift to P (Park) or hood, make sure the vehicle is to come out at high speed and you could be burned. Never turn N (Neutral), and let the parked on a level surface. Then engine idle. check to see if the engine cooling the cap when the cooling system, fan is running. If the engine is including the pressure cap, is hot. If the engine coolant temperature overheating, the fan should be Wait for the cooling system and gauge is no longer in the running. If it is not, do not continue pressure cap to cool. overheated area, the vehicle can be to run the engine. Have the vehicle driven. Continue to drive the vehicle serviced. slowly for about 10 minutes. Keep a If No Steam Is Coming from safe distance from the vehicle in the Engine Compartment Caution front. If the warning does not come If an engine overheat warning is back on, continue to drive normally Do not run the engine if there is a displayed but no steam can be seen and have the cooling system leak in the engine cooling system. or heard, the problem may not be checked for proper fill and function. This can cause a loss of all too serious. Sometimes the engine If the warning continues, pull over, coolant and can damage the can get a little too hot when the stop, and park the vehicle system and vehicle. Have any vehicle: right away. leaks fixed right away. . Climbs a long hill on a hot day. . Stops after high-speed driving. . Idles for long periods in traffic. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 281 If there is no sign of steam, idle the Open the cap with the washer engine for three minutes while symbol on it. Add washer fluid until Caution (Continued) parked. If the warning is still the tank is full. See Engine displayed, turn off the engine until it Compartment Overview 0 264 for . When using concentrated cools down. reservoir location. washer fluid, follow the manufacturer instructions for adding water. Washer Fluid Caution . Fill the washer fluid tank What to Use . Do not use washer fluid that only three-quarters full when When windshield washer fluid is contains any type of water it is very cold. This allows needed, be sure to read the repellent coating. This can for fluid expansion if manufacturer's instructions before cause the wiper blades to freezing occurs, which could use. If operating the vehicle in an chatter or skip. damage the tank if it is completely full. area where the temperature may fall . Do not use engine coolant below freezing, use a fluid that has (antifreeze) in the sufficient protection against windshield washer. It can Brakes freezing. damage the windshield washer system and paint. Disc brake pads have built-in wear Adding Washer Fluid indicators that make a high-pitched . Do not mix water with warning sound when the brake pads ready-to-use washer fluid. are worn and new pads are needed. Water can cause the The sound can come and go or can solution to freeze and be heard all the time when the damage the washer fluid vehicle is moving, except when tank and other parts of the applying the brake pedal firmly. washer system. (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

282 Vehicle Care proper sequence to torque Brake Fluid { Warning specifications. See Capacities and Specifications 0 366. 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 GM approved DOT 3 pedal travel. This could be a sign brake fluid as indicated on the Caution that brake service may be required. reservoir cap. See Engine 0 Replacing Brake System Parts Compartment Overview 264 for Continuing to drive with worn-out the location of the reservoir. brake pads could result in costly Always replace brake system parts brake repair. with new, approved replacement Checking Brake Fluid parts. If this is not done, the brakes With the vehicle in P (Park) on a may not work properly. The braking level surface, the brake fluid level Some driving conditions or climates performance expected can change should be between the minimum can cause a brake squeal when the in many other ways if the wrong and maximum marks on the brake brakes are first applied or lightly replacement brake parts are fluid reservoir. applied. This does not mean installed or if parts are improperly There are only two reasons why the something is wrong with the brakes. installed. brake fluid level in the reservoir may Properly torqued wheel nuts are go down: necessary to help prevent brake pulsation. When tires are rotated, . Normal brake lining wear. When inspect brake pads for wear and new linings are installed, the evenly tighten wheel nuts in the fluid level goes back up. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 283 . A fluid leak in the brake When the brake fluid falls to a low hydraulic system. Have the level, the brake warning light comes Caution brake hydraulic system fixed. on. See Brake System Warning With a leak, the brakes will not Light 0 129. If brake fluid is spilled on the work well. vehicle's painted surfaces, the Brake fluid absorbs water over time paint finish can be damaged. Always clean the brake fluid which degrades the effectiveness of Immediately wash off any painted reservoir cap and the area around the brake fluid. Replace brake fluid surface. the cap before removing it. at the specified intervals to prevent increased stopping distance. See Do not top off the brake fluid. 0 Adding fluid does not correct a leak. Maintenance Schedule 353. Battery - North America If fluid is added when the linings are What to Add The original equipment battery is worn, there will be too much fluid Use only GM approved DOT 3 maintenance free. Do not remove when new brake linings are the cap and do not add fluid. installed. Add or remove fluid, as brake fluid from a clean, sealed container. See Recommended Refer to the replacement number on necessary, only when work is done 0 on the brake hydraulic system. Fluids and Lubricants 362. the original battery label when a new battery is needed. For { Warning replacement of the battery, see your { Warning dealer. The wrong or contaminated brake If too much brake fluid is added, it Stop/Start System can spill on the engine and burn, fluid could result in damage to the The vehicle has a Stop/Start system if the engine is hot enough. You brake system. This could result in to shut off the engine to help or others could be burned, and the loss of braking leading to a possible injury. Always use the conserve fuel. See Stop/Start the vehicle could be damaged. System 0 193. Add brake fluid only when work is proper GM approved brake fluid. done on the brake hydraulic It has an Absorbed Glass Mat system. (AGM) 12-volt battery. Installation of a standard 12-volt battery will result in reduced 12-volt battery life. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

284 Vehicle Care When using a 12-volt battery Vehicle Storage leak or unusual noise. If required, charger on the 12-volt AGM battery, have the transfer case serviced by some chargers have an AGM your dealer. battery setting on the charger. { Warning If available, use the AGM setting on Batteries have acid that can burn Starter Switch Check the charger, to limit charge voltage you and gas that can explode. to 14.8 volts. You can be badly hurt if you are { Warning not careful. See Jump Starting - { Warning North America 0 335 for tips on When you are doing this working around a battery without inspection, the vehicle could WARNING: Battery posts, getting hurt. move suddenly. If the vehicle terminals, and related moves, you or others could be accessories contain lead and lead injured. compounds, chemicals known to Infrequent Usage: Remove the the State of California to cause black, negative (−) cable from the cancer and birth defects or other battery to keep the battery from 1. Before starting this check, be reproductive harm. Batteries also running down. sure there is enough room contain other chemicals known to Extended Storage: Remove the around the vehicle. the State of California to cause black, negative (−) cable from the 2. Apply both the parking brake cancer. WASH HANDS AFTER battery or use a battery trickle and the regular brake. HANDLING. For more information charger. Do not use the accelerator go to www.P65Warnings.ca.gov/ pedal, and be ready to turn off passenger-vehicle. All-Wheel Drive the engine immediately if it Transfer Case starts. See California Proposition 3. Try to start the engine in each Under normal driving conditions, 65 Warning 0 260 and the back gear. The vehicle should start transfer case fluid does not require cover. only in P (Park) or N (Neutral). maintenance unless there is a fluid GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 285 If the vehicle starts in any other pressure from the regular brake position, contact your dealer for pedal. Do this until the vehicle is Caution service. held by the parking brake only. Allowing the wiper arm to touch . To check the P (Park) Park Brake and P (Park) the windshield when no wiper mechanism's holding ability: blade is installed could damage Mechanism Check With the engine running, shift to the windshield. Any damage that P (Park). Then release the occurs would not be covered by parking brake followed by the the vehicle warranty. Do not allow { Warning regular brake. the wiper arm to touch the When you are doing this check, Contact your dealer if service is windshield. the vehicle could begin to move. required. You or others could be injured and property could be damaged. Wiper Blade Replacement Front Wiper Blade Make sure there is room in front Replacement Windshield wiper blades should be of the vehicle in case it begins to inspected for wear or cracking. To replace the wiper blade roll. Be ready to apply the regular assembly: brake at once should the vehicle It is a good idea to clean or replace 1. Pull the windshield wiper begin to move. the wiper blade assembly on a regular basis or when worn. For assembly away from the proper windshield wiper blade windshield. Park on a fairly steep hill, with the length and type, see Maintenance vehicle facing downhill. Keeping Replacement Parts 0 363. your foot on the regular brake, set the parking brake. . To check the parking brake's holding ability: With the engine running and the transmission in N (Neutral), slowly remove foot GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

286 Vehicle Care Rear Wiper Blade Replacement Windshield Replacement To remove the wiper blade: Driver Assistance Systems 1. Lift the wiper arm away from If the windshield needs to be the window. The rear wiper arm replaced and the vehicle is will only lift off the glass at a equipped with a front camera sensor small angle to allow for wiper for the Driver Assistance Systems, a blade removal. The rear wiper GM replacement windshield is arm will not lock in a service up recommended. The replacement position so care should be windshield must be installed taken when replacing the rear according to GM specifications for wiper blade. proper alignment. If it is not, these 2. Lift up on the latch in the systems may not work properly, they middle of the wiper blade may display messages, or they may where the wiper arm attaches. not work at all. See your dealer for proper windshield replacement. 3. With the latch open, pull the wiper blade down toward the Gas Strut(s) windshield far enough to release it from the J-hooked 2. Push the release lever to This vehicle is equipped with gas end of the wiper arm. disengage the hook and push strut(s) to provide assistance in lifting and holding open the hood/ 4. Remove the wiper blade. the wiper arm toward the center of the vehicle and out of trunk/liftgate system in full open 5. Reverse Steps 1–3 for wiper the blade assembly. position. blade replacement. 3. Push the new blade assembly securely on the wiper arm until the release lever clicks into place. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 287

{ Warning If the gas struts that hold open the hood, trunk, and/or liftgate fail, you or others could be seriously injured. Take the vehicle to your dealer for service immediately. Visually inspect the gas struts for signs of wear, cracks, or other damage periodically. Check to make sure the hood/trunk/liftgate is held open with enough force. Hood Liftgate If struts are failing to hold the hood/trunk/liftgate, do not operate. Have the vehicle serviced.

Caution

Do not apply tape or hang any objects from gas struts. Also do not push down or pull on gas struts. This may cause damage to the vehicle. Trunk

See Maintenance Schedule 0 353. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

288 Vehicle Care Headlamp Aiming Bulb Replacement Halogen Bulbs For the proper type of replacement Front Headlamp Aiming bulbs, or any bulb changing { Warning procedure not listed in this section, Headlamp aim has been preset and Halogen bulbs have pressurized contact your dealer. should need no further adjustment. gas inside and can burst if you If the vehicle is damaged in a crash, drop or scratch the bulb. You or the headlamp aim may be affected. Caution others could be injured. Be sure If adjustment to the headlamps is Do not replace incandescent to read and follow the instructions necessary, see your dealer. bulbs with aftermarket LED on the bulb package. replacement bulbs. This can cause damage to the vehicle LED Lighting electrical system. This vehicle has several LED lamps. For replacement of any LED lighting assembly, contact your dealer. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 289 Electrical System Headlamp Wiring Fuses and Circuit An electrical overload may cause Breakers the lamps to go on and off, or in Electrical System The wiring circuits in the vehicle are some cases to remain off. Have the Overload protected from short circuits by a headlamp wiring checked right away The vehicle has fuses and circuit if the lamps go on and off or combination of fuses and circuit breakers. This greatly reduces the breakers to protect against an remain off. electrical system overload. chance of damage caused by Windshield Wipers electrical problems. When the current electrical load is too heavy, the circuit breaker opens If the wiper motor overheats due to and closes, protecting the circuit heavy snow or ice, the windshield { Danger until the current load returns to wipers will stop until the motor cools and will then restart. Fuses and circuit breakers are normal or the problem is fixed. This marked with their ampere rating. greatly reduces the chance of circuit Although the circuit is protected Do not exceed the overload and fire caused by from electrical overload, overload specified amperage rating when electrical problems. due to heavy snow or ice may replacing fuses and circuit Fuses and circuit breakers protect cause wiper linkage damage. breakers. Use of an oversized Always clear ice and heavy snow power devices in the vehicle. fuse or circuit breaker can result from the windshield before using the Replace a bad fuse with a new one windshield wipers. in a vehicle fire. You and others of the identical size and rating. could be seriously injured or If the overload is caused by an killed. If there is a problem on the road and electrical problem and not snow or a fuse needs to be replaced, the ice, be sure to get it fixed. same amperage fuse can be borrowed. Choose some feature of the vehicle that is not needed to use and replace it as soon as possible. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

290 Vehicle Care To check a fuse, look at the silver-colored band inside the fuse. Caution If the band is broken or melted, replace the fuse. Be sure to replace Spilling liquid on any electrical a bad fuse with a new one of the component on the vehicle may identical size and rating. damage it. Always keep the covers on any electrical Fuses of the same amperage can component. be temporarily borrowed from another fuse location, if a fuse goes out. Replace the fuse as soon as To remove the fuse block cover, possible. press the clips on the cover and lift it straight up. Engine Compartment Caution The vehicle may not be equipped Fuse Block with all of the fuses, relays, and features shown. The underhood fuse block is in the Do not pull the engine engine compartment, on the driver compartment fuse block lever, side of the vehicle. since it is intended only for service purposes. If pulled, vehicle malfunction may occur. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 291

Fuses Usage F5 DC DC transformer 2 F6 Amplifier 1 F7 Front blower F8 Starter 3 F9 – F10 – F11 – F12 Front wiper F13 Starter 2 F14 LED/Automatic headlamp leveling F15 Rear wiper 1 F16 – F17 – F18 Automatic headlamp leveling module F19 – Fuses Usage Fuses Usage F20 – F1 Antilock brake F3 DC DC transformer 1 F21 – system F4 – F22 Electronic brake F2 Starter 1 control module GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

292 Vehicle Care

Fuses Usage Fuses Usage Fuses Usage F23 Parking/Trailer F39 Transmission control F52 Air conditioning lamps module 1/Battery 1 clutch F24 Right trailer F40 Left rear bus F53 – stoplamp/Turn lamp electrical center/ F54 Coolant pump F25 Steering column lock Ignition F55 – F26 F41 Instrument cluster – F56 – F27 Left trailer stoplamp/ F42 Heating, ventilation, and air conditioning F57 Engine control Turn lamp module/Ignition F43 Head-Up display F28 – F58 Transmission control F44 Electronic brake F29 – module/Ignition control module F30 Washer pump electric brake F59 Engine control module battery F31 – booster/Run/Crank F60 F32 – F45 – – F33 Fog lamps F46 – F61 O2 sensor 1/ Aeroshutter F34 Horn F47 – F62 Engine control F48 Rear wiper 2 F35 – module – odd F36 Headlamp F49 Interior rearview F63 O2 sensor 2 high-beam left mirror/Trailer F64 Engine control F50 Fuel system control F37 Headlamp module – even high-beam right module F65 Engine control F38 Automatic headlamp F51 Heated steering module powertrain 1 leveling motor wheel GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 293

Fuses Usage Relays Usage The instrument panel fuse block is inside the center console on the F66 Engine control K5 – passenger side of the vehicle. module powertrain 2 K6 Coolant pump See the fuse block cover for specific F67 Engine control K7 Engine control fuse information. module powertrain 3 module Open the fuse panel door, F68 – K8 Air conditioning or remove the panel from the F69 passenger side by pulling it out. – K9 – F70 – K10 Starter 2 F71 – F72 – Instrument Panel Fuse F73 – Block F74 – F75 – F76 – F77 –

Relays Usage To reinstall the door, push the door K1 Starter 1 back into its original location. K2 Run/Crank K3 Starter 3 K4 LED/Automatic headlamps GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

294 Vehicle Care

Fuses Usage Fuses Usage F1 Body control F15 Instrument panel module 6 switch bank F2 Diagnostic link/ F16 Sunroof Central gateway F17 Body control module module 1 F3 Electric steering F18 Instrument cluster column lock F19 – F4 – F20 Rear seat F5 Logistics entertainment F6 Heating, F21 Body control ventilation, and air module 4 conditioning F22 Infotainment USB F7 Body control data/Aux jack module 3 F23 Body control F8 – module 2 F9 Front passenger F24 USB charger/ heated seat Wireless charging F10 Airbag/Seat belt F25 Park aid/Electronic F11 – range select The vehicle may not be equipped F12 Amplifier F26 CIM with all of the fuses, relays, and features shown. F13 Body control F27 Video module 7 F14 Driver heated seat GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 295

Fuses Usage Fuses Usage The rear compartment fuse block is behind a trim panel on the driver F28 Heating, F39 – side of the rear storage ventilation, and air compartment. conditioning Circuit Usage display Breakers F29 Radio F40 – F30 Steering wheel F41 – adjustment controls F42 Auxiliary power F31 Electronic brake outlet/Lighter control module electric brake booster Rear Compartment Fuse Block F32 DC AC inverter F33 Driver power seat

F34 Passenger Remove the side bin, load floor, and power seat foam. See Cargo Management F35 Battery IEC 1 feed System 0 101. F36 Electric power Remove the trim plate to access the steering fuse block. F37 Rear seat The label for this fuse block is in the entertainment/USB spare tire area, on the foam under charge/Wireless the cargo floor. charging module F38 Body control module 8 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

296 Vehicle Care

Fuses Usage Fuses Usage F3 Driver seat belt F21 Trailer connector motor F22 – F4 Rear blower F23 – F5 Rear drive control F24 Passenger window F6 Passenger seat switch belt motor F25 – F7 Right window F26 Trailer brake F8 Rear defogger F27 Driver ventilated F9 Left window seat/Lumbar F10 – F28 Passive entry/ F11 Trailer reverse Passive start F29 F12 – – F30 Canister vent F13 – F31 F14 – – F32 Heated mirror F15 – F33 F16 – – F17 Camera/Spare F34 Liftgate module F18 Trailer module F35 Fuel system control module Fuses Usage F19 Ventilated seats F36 Passenger F1 – F20 – ventilated seat/ F2 Trailer battery 1 Lumbar GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 297 Fuses Usage Fuses Usage Wheels and Tires F37 – F53 Rear parking aid Tires F38 Window module module/Video/USB/ Spare F39 Rear closure Every new GM vehicle has F54 External object high-quality tires made by a F40 Memory seat calculating/Side leading tire manufacturer. See module blind zone alert the warranty manual for F41 Automatic F55 – information regarding the tire occupancy sensor F56 Universal remote warranty and where to get F42 Trailer battery 2 system/Rain service. For additional F43 – sensor information refer to the tire manufacturer. F44 – F57 Theft deterrent F45 Liftgate motor Circuit Usage { Warning F46 Rear heated seats Breakers . Poorly maintained and F47 – CB1 – improperly used tires are F48 Glass break sensor CB2 – dangerous. F49 – CB3 Rear auxiliary power . Overloading the tires can F50 – outlet cause overheating as a result of too much F51 – Relays Usage flexing. There could be a F52 Active dampening K1 – blowout and a serious system module crash. See Vehicle Load K2 – Limits 0 186. (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

298 Vehicle Care All-Season Tires Warning (Continued) Warning (Continued) This vehicle may come with . Underinflated tires pose . Replace any tires that all-season tires. These tires are the same danger as have been damaged by designed to provide good overall overloaded tires. The impacts with potholes, performance on most road surfaces resulting crash could curbs, etc. and weather conditions. Original equipment tires designed to GM's cause serious injury. . Improperly repaired tires Check all tires frequently specific tire performance criteria can cause a crash. Only have a TPC specification code to maintain the the dealer or an molded onto the sidewall. Original recommended pressure. authorized tire service equipment all-season tires can be Tire pressure should be center should repair, identified by the last two characters checked when the tires replace, dismount, and of this TPC code, which will are cold. mount the tires. be “MS.” Consider installing winter tires on . Overinflated tires are . Do not spin the tires in more likely to be cut, the vehicle if frequent driving on excess of 56 km/h snow or ice-covered roads is punctured, or broken by (35 mph) on slippery a sudden impact such expected. All-season tires provide — surfaces such as snow, adequate performance for most as when hitting a pothole. mud, ice, etc. Excessive winter driving conditions, but they Keep tires at the spinning may cause the may not offer the same level of recommended pressure. tires to explode. traction or performance as winter . Worn or old tires can tires on snow or ice-covered roads. See Winter Tires 0 299. cause a crash. If the See Tire Pressure for tread is badly worn, High-Speed Operation 0 306 for replace them. inflation pressure adjustment for (Continued) high-speed driving. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 299 Winter Tires Winter tires with the same speed rating as the original equipment tires Caution This vehicle was not originally may not be available for H, V, W, Y, equipped with winter tires. Winter and ZR speed rated tires. If winter High performance summer tires tires are designed for increased tires with a lower speed rating are have rubber compounds that lose traction on snow and ice-covered chosen, never exceed the tire's flexibility and may develop roads. Consider installing winter maximum speed capability. surface cracks in the tread area tires on the vehicle if frequent at temperatures below −7 °C driving on ice or snow covered Summer Tires (20 °F). Always store high roads is expected. See your dealer performance summer tires for details regarding winter tire This vehicle may come with high indoors and at temperatures availability and proper tire selection. performance summer tires. These above −7 °C (20 °F) when not in 0 tires have a special tread and Also, see Buying New Tires 314. use. If the tires have been compound that are optimized for With winter tires, there may be maximum dry and wet road subjected to −7 °C (20 °F) or less, decreased dry road traction, performance. This special tread and let them warm up in a heated increased road noise, and shorter compound will have decreased space to at least 5 °C (40 °F) for tread life. After changing to winter performance in cold climates, and 24 hours or more before being tires, be alert for changes in vehicle on ice and snow. It is recommended installed or driving a vehicle on handling and braking. that winter tires be installed on the which they are installed. Do not If using winter tires: vehicle if frequent driving at apply heat or blow heated air . Use tires of the same brand and temperatures below approximately directly on the tires. Always tread type on all four wheel 5 °C (40 °F) or on ice or snow inspect tires before use. See Tire positions. covered roads is expected. See Inspection 0 312. Winter Tires 0 299. . Use only radial ply tires of the same size, load range, and speed rating as the original equipment tires. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

300 Vehicle Care Tire Sidewall Labeling (2) TPC Spec (Tire week of the year 2010 would Performance Criteria have a four-digit DOT date Useful information about a tire is Specification) : Original of 0310. molded into its sidewall. The equipment tires designed to examples show a typical (4) Tire Identification Number GM's specific tire performance (TIN) : The letters and numbers passenger vehicle tire and a criteria have a TPC specification compact spare tire sidewall. following the DOT (Department code molded onto the sidewall. of Transportation) code are the GM's TPC specifications meet or Tire Identification Number (TIN). exceed all federal safety The TIN shows the guidelines. manufacturer and plant code, (3) DOT (Department of tire size, and date the tire was Transportation) : The manufactured. The TIN is Department of Transportation molded onto both sides of the (DOT) code indicates that the tire, although only one side may tire is in compliance with the have the date of manufacture. U.S. Department of (5) Tire Ply Material : The type Transportation Motor Vehicle of cord and number of plies in Safety Standards. Passenger (P-Metric) Tire Example the sidewall and under the tread. DOT Tire Date of (1) Tire Size : The tire size is a (6) Uniform Tire Quality Manufacture : The last four Grading (UTQG) : Tire combination of letters and digits of the TIN indicate the numbers used to define a manufacturers are required to tire manufactured date. The first grade tires based on three particular tire's width, height, two digits represent the week aspect ratio, construction type, performance factors: treadwear, (01–52) and the last two digits, traction, and temperature and service description. See the the year. For example, the third “Tire Size” illustration later in this section. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 301 resistance. For more information (2) Temporary Use Only : The (4) Maximum Cold Inflation see Uniform Tire Quality compact spare tire or temporary Load Limit : Maximum load that Grading 0 316. use tire should not be driven at can be carried and the (7) Maximum Cold Inflation speeds over 80 km/h (50 mph). maximum pressure needed to Load Limit : Maximum load that The compact spare tire is for support that load. can be carried and the emergency use when a regular (5) Tire Inflation : The maximum pressure needed to road tire has lost air and gone temporary use tire or compact support that load. flat. If the vehicle has a compact spare tire should be inflated to spare tire, see Compact Spare 420 kPa (60 psi). For more Tire 0 334 and 0 information on tire pressure and If a Tire Goes Flat 319. inflation see Tire Pressure (3) Tire Identification Number 0 305. (TIN) : The letters and numbers (6) Tire Size : A combination of following the DOT (Department letters and numbers define a of Transportation) code are the tire's width, height, aspect ratio, Tire Identification Number (TIN). construction type, and service The TIN shows the description. The letter “T” as the manufacturer and plant code, first character in the tire size tire size, and date the tire was means the tire is for temporary manufactured. The TIN is Compact Spare Tire Example use only. molded onto both sides of the (1) Tire Ply Material : The type tire, although only one side may (7) TPC Spec (Tire of cord and number of plies in have the date of manufacture. Performance Criteria the sidewall and under the tread. Specification) : Original equipment tires designed to GM's specific tire performance criteria have a TPC specification GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

302 Vehicle Care code molded onto the sidewall. (2) Tire Width : The three-digit the load carrying capacity a tire GM's TPC specifications meet or number indicates the tire section is certified to carry. The speed exceed all federal safety width in millimeters from rating is the maximum speed a guidelines. sidewall to sidewall. tire is certified to carry a load. (3) Aspect Ratio : A two-digit Tire Designations number that indicates the tire Tire Terminology and Tire Size height-to-width measurements. Definitions For example, if the tire size The example shows a typical Air Pressure : The amount of aspect ratio is 60, as shown in passenger vehicle tire size. air inside the tire pressing item (3) of the illustration, it outward on each square inch of would mean that the tire's the tire. Air pressure is sidewall is 60 percent as high as expressed in kPa (kilopascal) it is wide. or psi (pounds per square inch). (4) Construction Code : A letter Accessory Weight : The code is used to indicate the type combined weight of optional of ply construction in the tire. accessories. Some examples of (1) Passenger (P-Metric) Tire : The letter “R” means radial ply optional accessories are The United States version of a construction; the letter “D” automatic transmission, power metric tire sizing system. The means diagonal or bias ply windows, power seats, and air letter “P” as the first character in construction. conditioning. the tire size means a passenger vehicle tire engineered to (5) Rim Diameter : Diameter of Aspect Ratio : The relationship standards set by the U.S. Tire the wheel in inches. of a tire's height to its width. and Rim Association. (6) Service Description : These characters represent the load index and speed rating of the tire. The load index represents GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 303 Belt : A rubber coated layer of maximum capacity of fuel, oil, Intended Outboard Sidewall : cords between the plies and the and coolant, but without The side of an asymmetrical tire tread. Cords may be made from passengers and cargo. that must always face outward steel or other reinforcing DOT Markings : A code molded when mounted on a vehicle. materials. into the sidewall of a tire Kilopascal (kPa) : The metric Bead : The tire bead contains signifying that the tire is in unit for air pressure. steel wires wrapped by steel compliance with the U.S. Light Truck (LT-Metric) Tire : A cords that hold the tire onto Department of Transportation tire used on light duty trucks and the rim. (DOT) Motor Vehicle Safety some multipurpose passenger Bias Ply Tire : A pneumatic tire Standards. The DOT code vehicles. includes the Tire Identification in which the plies are laid at Load Index : An assigned alternate angles less than Number (TIN), an alphanumeric designator which can also number ranging from 1 to 279 90 degrees to the centerline of that corresponds to the load the tread. identify the tire manufacturer, production plant, brand, and carrying capacity of a tire. Cold Tire Pressure : The date of production. Maximum Inflation Pressure : amount of air pressure in a tire, GVWR : Gross Vehicle Weight The maximum air pressure to measured in kPa (kilopascal) which a cold tire can be inflated. or psi (pounds per square inch) Rating. See Vehicle Load Limits 0 186. The maximum air pressure is before a tire has built up heat molded onto the sidewall. from driving. See Tire Pressure GAWR FRT : Gross Axle Weight 0 305. Rating for the front axle. See Maximum Load Rating : The Vehicle Load Limits 0 186. load rating for a tire at the Curb Weight : The weight of a maximum permissible inflation motor vehicle with standard and GAWR RR : Gross Axle Weight pressure for that tire. optional equipment including the Rating for the rear axle. See Vehicle Load Limits 0 186. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

304 Vehicle Care Maximum Loaded Vehicle Passenger (P-Metric) Tire : A Speed Rating : An Weight : The sum of curb tire used on passenger cars and alphanumeric code assigned to weight, accessory weight, some light duty trucks and a tire indicating the maximum vehicle capacity weight, and multipurpose vehicles. speed at which a tire can production options weight. Recommended Inflation operate. Normal Occupant Weight : The Pressure : Vehicle Traction : The friction between number of occupants a vehicle manufacturer's recommended the tire and the road surface. is designed to seat multiplied by tire inflation pressure as shown The amount of grip provided. 68 kg (150 lb). See Vehicle Load on the tire placard. See Tire Tread : The portion of a tire that Limits 0 186. Pressure 0 305 and 0 comes into contact with Occupant Distribution : Vehicle Load Limits 186. the road. Designated seating positions. Radial Ply Tire : A pneumatic Treadwear Indicators : Narrow Outward Facing Sidewall : The tire in which the ply cords that bands, sometimes called wear side of an asymmetrical tire that extend to the beads are laid at bars, that show across the tread has a particular side that faces 90 degrees to the centerline of of a tire when only 1.6 mm outward when mounted on a the tread. (1/16 in) of tread remains. See vehicle. The side of the tire that Rim : A metal support for a tire When It Is Time for New Tires contains a whitewall, bears and upon which the tire beads 0 313. white lettering, or bears are seated. UTQGS (Uniform Tire Quality manufacturer, brand, and/or Sidewall : The portion of a tire Grading Standards) : A tire model name molding that is between the tread and the bead. information system that provides higher or deeper than the same consumers with ratings for a moldings on the other sidewall tire's traction, temperature, and of the tire. treadwear. Ratings are determined by tire manufacturers using GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 305 government testing procedures. Tire Pressure The ratings are molded into the Warning (Continued) Tires need the correct amount of sidewall of the tire. See Uniform . Poor handling. Tire Quality Grading 0 316. air pressure to operate effectively. . Rough ride. Vehicle Capacity Weight : The number of designated seating . Needless damage from { Warning positions multiplied by road hazards. 68 kg (150 lb) plus the rated Neither tire underinflation nor cargo load. See Vehicle Load overinflation is good. The Tire and Loading Limits 0 186. Underinflated tires, or tires Information label on the vehicle Vehicle Maximum Load on the that do not have enough air, indicates the original equipment can result in: Tire : Load on an individual tire tires and the correct cold tire due to curb weight, accessory . Tire overloading and inflation pressures. The weight, occupant weight, and overheating, which could recommended pressure is the cargo weight. lead to a blowout. minimum air pressure needed to support the vehicle's maximum Vehicle Placard : A label . Premature or load carrying capacity. See permanently attached to a irregular wear. Vehicle Load Limits 0 186. vehicle showing the vehicle . Poor handling. capacity weight and the original How the vehicle is loaded equipment tire size and . Reduced fuel economy. affects vehicle handling and ride comfort. Never load the vehicle recommended inflation pressure. Overinflated tires, or tires that with more weight than it was See “Tire and Loading have too much air, can designed to carry. Information Label” under Vehicle result in: Load Limits 0 186. . Unusual wear. (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

306 Vehicle Care When to Check If the cold tire inflation pressure Tire Pressure for Check the pressure of the tires matches the recommended High-Speed Operation once a month or more. Do not pressure on the Tire and Loading Information label, no forget the compact spare, if the { Warning vehicle has one. The cold further adjustment is necessary. compact spare tire pressure If the inflation pressure is low, Driving at high speeds, 160 km/h should be at 420 kPa (60 psi). add air until the recommended (100 mph) or higher, puts See Compact Spare Tire 0 334. pressure is reached. If the additional strain on tires. inflation pressure is high, press Sustained high-speed driving How to Check on the metal stem in the center causes excessive heat buildup Use a good quality pocket-type of the tire valve to release air. and can cause sudden tire failure. This could cause a crash, and gauge to check tire pressure. Recheck the tire pressure with Proper tire inflation cannot be you or others could be killed. the tire gauge. Some high-speed rated tires determined by looking at the tire. Put the valve caps back on the require inflation pressure Check the tire inflation pressure valve stems to keep out dirt and adjustment for high-speed when the tires are cold, meaning moisture and prevent leaks. Use operation. When speed limits and the vehicle has not been driven only valve caps designed for the road conditions allow the vehicle for at least three hours or no vehicle by GM. TPMS sensors to be driven at high speeds, make more than 1.6 km (1 mi). could be damaged and would sure the tires are rated for Remove the valve cap from the not be covered by the vehicle high-speed operation, are in tire valve stem. Press the tire warranty. excellent condition, and are set to gauge firmly onto the valve to the correct cold tire inflation get a pressure measurement. pressure for the vehicle load. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 307 Vehicles with 235/65R18, the air pressure in your tires and lead to tire failure. Under-inflation 235/55R20, 245/65R17, or transmit tire pressure readings to a also reduces fuel efficiency and tire 255/65R17 size tires require receiver located in the vehicle. tread life, and may affect the inflation pressure adjustment when Each tire, including the spare (if vehicle's handling and stopping driving the vehicle at speeds of provided), should be checked ability. 160 km/h (100 mph) or higher. Set monthly when cold and inflated to Please note that the TPMS is not a the cold inflation pressure to the the inflation pressure recommended substitute for proper tire maximum inflation pressure shown by the vehicle manufacturer on the maintenance, and it is the driver's on the tire sidewall, or 280 kPa vehicle placard or tire inflation responsibility to maintain correct tire (41 psi), whichever is lower. Return pressure label. (If your vehicle has pressure, even if under-inflation has the tires to the recommended cold tires of a different size than the size not reached the level to trigger tire inflation pressure when indicated on the vehicle placard or illumination of the TPMS low tire high-speed driving has ended. See 0 tire inflation pressure label, you pressure telltale. Vehicle Load Limits 186 and should determine the proper tire Tire Pressure 0 305. Your vehicle has also been inflation pressure for those tires.) equipped with a TPMS malfunction The maximum load and inflation As an added safety feature, your indicator to indicate when the pressure is molded on the tire vehicle has been equipped with a system is not operating properly. sidewall, in small letters, near the tire pressure monitoring system The TPMS malfunction indicator is rim flange. It will read something like (TPMS) that illuminates a low tire combined with the low tire pressure this: Maximum load pressure telltale when one or more telltale. When the system detects a 690 kg (1,521 lbs) 300 kPa (44 psi) of your tires is significantly malfunction, the telltale will flash for Max. Press. under-inflated. approximately one minute and then remain continuously illuminated. Tire Pressure Monitor Accordingly, when the low tire pressure telltale illuminates, you This sequence will continue upon System should stop and check your tires as subsequent vehicle start-ups as long as the malfunction exists. The Tire Pressure Monitor System soon as possible, and inflate them (TPMS) uses radio and sensor to the proper pressure. Driving on a When the malfunction indicator is technology to check tire pressure significantly under-inflated tire illuminated, the system may not be levels. The TPMS sensors monitor causes the tire to overheat and can able to detect or signal low tire GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

308 Vehicle Care pressure as intended. TPMS sensors monitor the air pressure in pressure levels can be viewed. For malfunctions may occur for a variety the tires and transmit the tire additional information and details of reasons, including the installation pressure readings to a receiver about the DIC operation and of replacement or alternate tires or located in the vehicle. displays see Driver Information wheels on the vehicle that prevent Center (DIC) (Base) 0 137 or the TPMS from functioning properly. Driver Information Center (DIC) Always check the TPMS malfunction (Midlevel and Uplevel) 0 139. telltale after replacing one or more The low tire pressure warning light tires or wheels on your vehicle to may come on in cool weather when ensure that the replacement or the vehicle is first started, and then alternate tires and wheels allow the turn off as the vehicle is driven. This TPMS to continue to function When a low tire pressure condition could be an early indicator that the properly. is detected, the TPMS illuminates air pressure is getting low and See Tire Pressure Monitor the low tire pressure warning light needs to be inflated to the proper Operation 0 308. located on the instrument cluster. pressure. See Radio Frequency Statement If the warning light comes on, stop A Tire and Loading Information 0 380. as soon as possible and inflate the label, attached to your vehicle, tires to the recommended pressure shows the size of the original shown on the Tire and Loading equipment tires and the correct Tire Pressure Monitor Information label. See Vehicle Load 0 inflation pressure for the tires when Operation Limits 186. they are cold. See Vehicle Load This vehicle may have a Tire A message to check the pressure in Limits 0 186, for an example of the Pressure Monitor System (TPMS). a specific tire displays in the Driver Tire and Loading Information label The TPMS is designed to warn the Information Center (DIC). The low and its location. Also see Tire driver when a low tire pressure tire pressure warning light and the Pressure 0 305. condition exists. TPMS sensors are DIC warning message come on at The TPMS can warn about a low mounted onto each tire and wheel each ignition cycle until the tires are tire pressure condition but it does assembly, excluding the spare tire inflated to the correct inflation not replace normal tire and wheel assembly. The TPMS pressure. Using the DIC, tire GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 309 maintenance. See Tire Inspection TPMS Malfunction Light and . The TPMS sensor matching 0 312, Tire Rotation 0 312 and Message process was not done or not Tires 0 297. completed successfully after The TPMS will not function properly rotating the tires. The if one or more of the TPMS sensors Caution malfunction light and the DIC are missing or inoperable. When the message should go off after system detects a malfunction, the Tire sealant materials are not all successfully completing the low tire pressure warning light sensor matching process. See the same. A non-approved tire flashes for about one minute and sealant could damage the TPMS "TPMS Sensor Matching then stays on for the remainder of Process" later in this section. sensors. TPMS sensor damage the ignition cycle. A DIC warning caused by using an incorrect tire message also displays. The . One or more TPMS sensors are sealant is not covered by the malfunction light and DIC warning missing or damaged. The vehicle warranty. Always use only message come on at each ignition malfunction light and the DIC the GM approved tire sealant cycle until the problem is corrected. message should go off when the available through your dealer or Some of the conditions that can TPMS sensors are installed and included in the vehicle. cause these to come on are: the sensor matching process is performed successfully. See . One of the road tires has been your dealer for service. Factory-installed Tire Inflator Kits replaced with the spare tire. The use a GM-approved liquid tire spare tire does not have a . Replacement tires or wheels do sealant. Using non-approved tire TPMS sensor. The malfunction not match the original equipment sealants could damage the TPMS light and DIC message should tires or wheels. Tires and wheels sensors. See Tire Sealant and go off after the road tire is other than those recommended Compressor Kit 0 321 for replaced and the sensor could prevent the TPMS from information regarding the inflator kit matching process is performed functioning properly. See Buying 0 materials and instructions. successfully. See “TPMS Sensor New Tires 314. Matching Process” later in this section. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

310 Vehicle Care . Operating electronic devices or When the recommended the valve stem. When the being near facilities using radio pressure is reached, the horn recommended pressure is reached, wave frequencies similar to the sounds once and the turn the horn sounds once. TPMS could cause the TPMS signal lamp will stop flashing If the turn signal lamp does not flash sensors to malfunction. and briefly turn solid. within 15 seconds after starting to If the TPMS is not functioning Repeat these steps for all inflate the tire, the tire fill alert has properly it cannot detect or signal a underinflated tires that have not been activated or is not working. low tire pressure condition. See illuminated the low tire pressure If the hazard warning flashers are your dealer for service if the TPMS warning light. on, the tire fill alert visual feedback malfunction light and DIC message will not work properly. come on and stay on. { Warning The TPMS will not activate the tire Tire Fill Alert (If Equipped) Overinflating a tire could cause fill alert properly under the following This feature provides visual and the tire to rupture and you or conditions: audible alerts outside the vehicle to others could be injured. Do not . There is interference from an help when inflating an underinflated exceed the maximum pressure external device or transmitter. tire to the recommended cold tire listed on the tire sidewall. See . The air pressure from the pressure. 0 Tire Sidewall Labeling 300 and inflation device is not sufficient When the low tire pressure warning Vehicle Load Limits 0 186. to inflate the tire. light comes on: . There is a malfunction in 1. Park the vehicle in a safe, level If the tire is overinflated by more the TPMS. place. than 35 kPa (5 psi), the horn will . There is a malfunction in the 2. Set the parking brake firmly. sound multiple times and the turn signal lamp will continue to flash for horn or turn signal lamps. 3. Place the vehicle in P (Park). several seconds after filling stops. . The identification code of the 4. Add air to the tire that is To release and correct the pressure, TPMS sensor is not registered to underinflated. The turn signal while the turn signal lamp is still the system. lamp will flash. flashing, briefly press the center of GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 311 . The battery of the TPMS sensor to purchase a relearn tool. A TPMS 4. Use the DIC controls on the is low. relearn tool can also be purchased. right side of the steering wheel If the tire fill alert does not operate See Tire Pressure Monitor Sensor to scroll to the Tire Pressure due to TPMS interference, move the Activation Tool at screen under the DIC vehicle about 1 m (3 ft) back or www.gmtoolsandequipment.com or info page. forward and try again. If the tire fill call 1-800-GM TOOLS V (1-800-468-6657). 5. Press and hold in the center alert feature is not working, use a of the DIC controls. tire pressure gauge. There are two minutes to match the first tire/wheel position, and The horn sounds twice to TPMS Sensor Matching five minutes overall to match all four signal the receiver is in relearn Process tire/wheel positions. If it takes mode and the TIRE longer, the matching process stops LEARNING ACTIVE message Each TPMS sensor has a unique displays on the DIC display. identification code. The identification and must be restarted. code needs to be matched to a new The TPMS sensor matching 6. Start with the driver side tire/wheel position after rotating the process is: front tire. vehicle’s tires or replacing one or 1. Set the parking brake. 7. Place the relearn tool against more of the TPMS sensors. The the tire sidewall, near the valve TPMS sensor matching process 2. Place the vehicle in Service stem. Then press the button to should also be performed after Mode. See Ignition Positions activate the TPMS sensor. replacing a spare tire with a road 0 190. A horn chirp confirms that the tire containing the TPMS sensor. 3. Make sure the Tire Pressure sensor identification code has The malfunction light and the DIC info page option is turned on. been matched to this tire and message should go off at the next The info pages on the DIC can wheel position. ignition cycle. The sensors are be turned on and off through matched to the tire/wheel positions, 8. Proceed to the passenger side the Options menu. See Driver using a TPMS relearn tool, in the front tire, and repeat the Information Center (DIC) following order: driver side front tire, procedure in Step 7. (Base) 0 137 or passenger side front tire, passenger Driver Information Center (DIC) side rear tire, and driver side rear (Midlevel and Uplevel) 0 139. tire. See your dealer for service or GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

312 Vehicle Care 9. Proceed to the passenger side Replace the tire if: Tires are rotated to achieve a rear tire, and repeat the uniform wear for all tires. The procedure in Step 7. . The indicators at three or more places around the tire first rotation is the most 10. Proceed to the driver side rear can be seen. important. tire, and repeat the procedure Anytime unusual wear is in Step 7. The horn sounds two . There is cord or fabric times to indicate the sensor showing through the tire's noticed, rotate the tires as soon identification code has been rubber. as possible, check for proper tire matched to the driver side rear inflation pressure, and check for tire, and the TPMS sensor . The tread or sidewall is damaged tires or wheels. If the matching process is no longer cracked, cut, or snagged unusual wear continues after the active. The TIRE LEARNING deep enough to show cord or rotation, check the wheel ACTIVE message on the DIC fabric. alignment. See When It Is Time display goes off. . The tire has a bump, bulge, for New Tires 0 313 and 11. Turn the vehicle off. or split. Wheel Replacement 0 318. 12. Set all four tires to the . The tire has a puncture, cut, recommended air pressure level as indicated on the Tire or other damage that cannot and Loading Information label. be repaired well because of the size or location of the Tire Inspection damage. We recommend that the tires, Tire Rotation including the spare tire, if the vehicle has one, be inspected Tires should be rotated every for signs of wear or damage at 12 000 km (7,500 mi). See least once a month. Maintenance Schedule 0 353. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 313 Use this rotation pattern when When It Is Time for New rotating the tires. { Warning Tires If the vehicle has a compact Rust or dirt on a wheel, or on Factors such as maintenance, spare tire, do not include it in the the parts to which it is temperatures, driving speeds, tire rotation. fastened, can make wheel vehicle loading, and road conditions Adjust the front and rear tires to nuts become loose after time. affect the wear rate of the tires. the recommended inflation The wheel could come off and pressure on the Tire and cause a crash. When Loading Information label after changing a wheel, remove any the tires have been rotated. See rust or dirt from places where Tire Pressure 0 305 and the wheel attaches to the Vehicle Load Limits 0 186. vehicle. In an emergency, a cloth or a paper towel can be Reset the Tire Pressure Monitor used; however, use a scraper System. See Tire Pressure or wire brush later to remove Monitor Operation 0 308. all rust or dirt. Check that all wheel nuts are properly tightened. See “Wheel Lightly coat the inner diameter of Nut Torque” under Capacities the wheel hub opening with Treadwear indicators are one way to and Specifications 0 366. wheel bearing grease after a tell when it is time for new tires. wheel change or tire rotation to Treadwear indicators appear when prevent corrosion or rust the tires have only 1.6 mm (1/16 in) build-up. Do not get grease on or less of tread remaining. See Tire Inspection 0 312 and the wheel mounting surface or Tire Rotation 0 312. on the wheel nuts or bolts. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

314 Vehicle Care The rubber in tires ages over time. of grease, gasoline, or other vehicle, including brake system This also applies to the spare tire, substances that can deteriorate performance, ride and handling, if the vehicle has one, even if it is rubber. traction control, and tire never used. Multiple factors Parking for an extended period can pressure monitoring including temperatures, loading cause flat spots on the tires that performance. GM's TPC Spec conditions, and inflation pressure may result in vibrations while number is molded onto the tire's maintenance affect how fast aging driving. When storing a vehicle for takes place. GM recommends that sidewall near the tire size. If the at least a month, remove the tires or tires have an all-season tread tires, including the spare if raise the vehicle to reduce the equipped, be replaced after six weight from the tires. design, the TPC Spec number years, regardless of tread wear. To will be followed by MS for mud identify the age of a tire, use the tire Buying New Tires and snow. See Tire Sidewall manufacture date which is the last Labeling 0 300. four digits of the DOT Tire GM has developed and matched Identification Number (TIN) which is specific tires for the vehicle. The GM recommends replacing worn molded into one side of the tire original equipment tires installed tires in complete sets of four. sidewall. The first two digits were designed to meet General Uniform tread depth on all tires represent the week (01 52) and the – Motors Tire Performance Criteria will help to maintain the last two digits, the year. For performance of the vehicle. example, the third week of the year Specification (TPC Spec) system rating. When Braking and handling 2010 would have a four-digit DOT performance may be adversely date of 0310. replacement tires are needed, GM strongly recommends affected if all the tires are not Vehicle Storage buying tires with the same TPC replaced at the same time. Tires age when stored normally Spec rating. If proper rotation and mounted on a parked vehicle. Park maintenance have been done, a vehicle that will be stored for at GM's exclusive TPC Spec all four tires should wear out at least a month in a cool, dry, clean system considers over a dozen about the same time. See Tire area away from direct sunlight to critical specifications that impact Rotation 0 312. However, if it is slow aging. This area should be free the overall performance of the GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 315 necessary to replace only one load range, speed rating, and axle set of worn tires, place the { Warning construction (radial) as the new tires on the rear axle. Mixing tires of different sizes, original tires. Winter tires with the same speed brands, or types may cause Vehicles that have a tire rating as the original equipment loss of control of the vehicle, pressure monitoring system tires may not be available for H, resulting in a crash or other could give an inaccurate V, W, Y and ZR speed rated vehicle damage. Use the low-pressure warning if non-TPC tires. Never exceed the winter correct size, brand, and type Spec rated tires are installed. tires’ maximum speed capability of tires on all wheels. See Tire Pressure Monitor when using winter tires with a System 0 307. lower speed rating. The Tire and Loading { Warning Information label indicates the { Warning original equipment tires on the Using bias-ply tires on the Tires could explode during vehicle. See Vehicle Load Limits vehicle may cause the wheel 0 186. improper service. Attempting rim flanges to develop cracks to mount or dismount a tire after many miles of driving. could cause injury or death. Different Size Tires and A tire and/or wheel could fail Wheels Only your dealer or authorized suddenly and cause a crash. tire service center should Use only radial-ply tires with If wheels or tires are installed that mount or dismount the tires. the wheels on the vehicle. are a different size than the original equipment wheels and tires, vehicle performance, including its braking, If the vehicle tires must be ride and handling characteristics, replaced with a tire that does not stability, and resistance to rollover have a TPC Spec number, make may be affected. If the vehicle has sure they are the same size, electronic systems such as antilock brakes, rollover airbags, traction GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

316 Vehicle Care control, electronic stability control, Traffic Safety Administration Quality grades can be found or All-Wheel Drive, the performance (NHTSA), which grades tires by where applicable on the tire of these systems can also be treadwear, traction, and sidewall between tread shoulder affected. temperature performance. This and maximum section width. For applies only to vehicles sold in example: { Warning the United States. The grades Treadwear 200 Traction AA If different sized wheels are used, are molded on the sidewalls of Temperature A there may not be an acceptable most passenger car tires. The Uniform Tire Quality Grading All Passenger Car Tires Must level of performance and safety if Conform to Federal Safety tires not recommended for those (UTQG) system does not apply Requirements In Addition To wheels are selected. This to deep tread, winter tires, increases the chance of a crash compact spare tires, tires with These Grades. and serious injury. Only use GM nominal rim diameters of Treadwear specific wheel and tire systems 10 to 12 inches (25 to 30 cm), developed for the vehicle, and or to some limited-production The treadwear grade is a have them properly installed by a tires. comparative rating based on the GM certified technician. wear rate of the tire when tested While the tires available on under controlled conditions on a General Motors passenger cars 0 specified government test See Buying New Tires 314 and and light trucks may vary with course. For example, a tire Accessories and Modifications respect to these grades, they 0 261. graded 150 would wear one and must also conform to federal one-half (1½) times as well on safety requirements and the government course as a tire Uniform Tire Quality additional General Motors Tire Grading graded 100. The relative Performance Criteria (TPC) performance of tires depends The following information relates standards. upon the actual conditions of to the system developed by the their use, however, and may United States National Highway depart significantly from the GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 317 norm due to variations in driving Temperature underinflation, or excessive habits, service practices and The temperature grades are A loading, either separately or in differences in road (the highest), B, and C, combination, can cause heat characteristics and climate. representing the tire's resistance buildup and possible tire failure. Traction to the generation of heat and its ability to dissipate heat when Wheel Alignment and Tire The traction grades, from tested under controlled Balance highest to lowest, are AA, A, B, conditions on a specified indoor and C. Those grades represent The tires and wheels were aligned laboratory test wheel. Sustained the tire's ability to stop on wet and balanced at the factory to high temperature can cause the provide the longest tire life and best pavement as measured under material of the tire to degenerate overall performance. Adjustments to controlled conditions on and reduce tire life, and wheel alignment and tire balancing specified government test excessive temperature can lead are not necessary on a regular surfaces of asphalt and to sudden tire failure. The grade basis. Consider an alignment check concrete. A tire marked C may if there is unusual tire wear or the C corresponds to a level of have poor traction performance. vehicle is significantly pulling to one performance which all Warning: The traction grade side or the other. Some slight pull to passenger car tires must meet assigned to this tire is based on the left or right, depending on the under the Federal Motor Safety straight-ahead braking traction crown of the road and/or other road Standard No. 109. Grades B and surface variations such as troughs tests, and does not include A represent higher levels of or ruts, is normal. If the vehicle is acceleration, cornering, performance on the laboratory vibrating when driving on a smooth hydroplaning, or peak traction test wheel than the minimum road, the tires and wheels may need characteristics. required by law. Warning: The to be rebalanced. See your dealer for proper diagnosis. temperature grade for this tire is established for a tire that is properly inflated and not overloaded. Excessive speed, GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

318 Vehicle Care Wheel Replacement Used Replacement Wheels { Warning Replace any wheel that is bent, cracked, or badly rusted or Using the wrong replacement { Warning corroded. If wheel nuts keep coming wheels, wheel bolts, or wheel Replacing a wheel with a used loose, the wheel, wheel bolts, and nuts can be dangerous. It could one is dangerous. How it has wheel nuts should be replaced. affect the braking and handling of been used or how far it has been If the wheel leaks air, replace it. the vehicle. Tires can lose air, driven may be unknown. It could Some aluminum wheels can be and cause loss of control, causing fail suddenly and cause a crash. repaired. See your dealer if any of a crash. Always use the correct When replacing wheels, use a these conditions exist. wheel, wheel bolts, and wheel new GM original equipment Your dealer will know the kind of nuts for replacement. wheel. wheel that is needed. Each new wheel should have the same load-carrying capacity, Caution Tire Chains diameter, width, offset, and be mounted the same way as the one it The wrong wheel can also cause { Warning replaces. problems with bearing life, brake Replace wheels, wheel bolts, wheel cooling, speedometer or If the vehicle has a tire size other nuts, or Tire Pressure Monitor odometer calibration, headlamp than 235/65R18, do not use tire System (TPMS) sensors with new aim, bumper height, vehicle chains. There is not enough GM original equipment parts. ground clearance, and tire or tire clearance. Tire chains used on a chain clearance to the body and vehicle without the proper amount chassis. of clearance can cause damage to the brakes, suspension, or other vehicle parts. The area damaged by the tire chains could (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 319 If a front tire fails, the flat tire Warning (Continued) Caution (Continued) creates a drag that pulls the vehicle toward that side. Take your foot off cause loss of control and a crash. that are the proper size for the the accelerator pedal and grip the Use another type of traction tires. Install them on the tires of steering wheel firmly. Steer to device only if its manufacturer the front axle. Do not use chains maintain lane position, and then recommends it for the vehicle's on the tires of the rear axle. gently brake to a stop, well off the tire size combination and road Tighten them as tightly as road, if possible. conditions. Follow that possible with the ends securely A rear blowout, particularly on a manufacturer's instructions. To fastened. Drive slowly and follow curve, acts much like a skid and avoid vehicle damage, drive slow the chain manufacturer's may require the same correction as and readjust or remove the instructions. If the chains contact used in a skid. Stop pressing the traction device if it contacts the the vehicle, stop and retighten accelerator pedal and steer to vehicle. Do not spin the wheels. If them. If the contact continues, straighten the vehicle. It may be traction devices are used, install slow down until it stops. Driving very bumpy and noisy. Gently brake them on the front tires. too fast or spinning the wheels to a stop, well off the road, with chains on will damage the if possible. vehicle. Caution { Warning If a Tire Goes Flat If the vehicle is equipped with Driving on a flat tire will cause 235/65R18 size tires, use tire It is unusual for a tire to blow out permanent damage to the tire. chains only where legal and only while driving, especially if the tires Re-inflating a tire after it has been when necessary. Use low profile are maintained properly. See Tires driven on while severely 0 297. If air goes out of a tire, it is chains that add no more than underinflated or flat may cause a much more likely to leak out slowly. blowout and a serious crash. 12 mm thickness to the tire tread But if there is ever a blowout, here and inner sidewall. Use chains Never attempt to re-inflate a tire are a few tips about what to expect that has been driven on while (Continued) and what to do: (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

320 Vehicle Care if possible. Turn on the hazard Warning (Continued) warning flashers. See Hazard Warning (Continued) Warning Flashers 0 159. severely underinflated or flat. 5. Place wheel blocks, Have your dealer or an authorized if equipped, on both sides of tire service center repair or { Warning the tire at the opposite replace the flat tire as soon as corner of the tire being Changing a tire can be changed. possible. dangerous. The vehicle can slip off the jack and roll over or fall causing injury or death. Find a This vehicle may come with a jack level place to change the tire. To and spare tire or a tire sealant and { Warning help prevent the vehicle from compressor kit. To use the jacking Lifting a vehicle and getting under moving: equipment to change a spare tire safely, follow the instructions below. it to do maintenance or repairs is 1. Set the parking brake firmly. Then see Tire Changing 0 328. To dangerous without the use the tire sealant and compressor appropriate safety equipment and 2. Put an automatic transmission in P (Park) or a kit, see Tire Sealant and training. If a jack is provided with 0 manual transmission in Compressor Kit 321. the vehicle, it is designed only for 1 (First) or R (Reverse). changing a flat tire. If it is used for When the vehicle has a flat tire (2), anything else, you or others could 3. Turn off the engine and do use the following example as a guide to assist you in the placement be badly injured or killed if the not restart while the vehicle of wheel blocks (1), if equipped. vehicle slips off the jack. If a jack is raised. is provided with the vehicle, only 4. Do not allow passengers to use it for changing a flat tire. remain in the vehicle. (Continued) If a tire goes flat, avoid further tire and wheel damage by driving slowly to a level place, well off the road, GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 321

Warning (Continued) Warning (Continued)

engine in an enclosed area that compartment of the vehicle could has no fresh air ventilation. For cause injury. In a sudden stop or more information, see Engine collision, loose equipment could Exhaust 0 200. strike someone. Store the tire sealant and compressor kit in its original location. 1. Wheel Block (If Equipped) { Warning 2. Flat Tire If this vehicle has a tire sealant and compressor kit, there may not be a The following information explains Overinflating a tire could cause spare tire or tire changing how to repair or change a tire. the tire to rupture and you or others could be injured. Be sure equipment, and on some vehicles Tire Sealant and to read and follow the tire sealant there may not be a place to store and compressor kit instructions a tire. Compressor Kit and inflate the tire to its The tire sealant and compressor recommended pressure. Do not can be used to temporarily seal { Warning exceed the recommended punctures up to 6 mm (0.25 in) in pressure. the tread area of the tire. It can also Idling a vehicle in an enclosed be used to inflate an area with poor ventilation is underinflated tire. dangerous. Engine exhaust may If the tire has been separated from enter the vehicle. Engine exhaust { Warning the wheel, has damaged sidewalls, contains carbon monoxide (CO) Storing the tire sealant and or has a large puncture, the tire is which cannot be seen or smelled. too severely damaged for the tire It can cause unconsciousness compressor kit or other equipment in the passenger sealant and compressor kit to be and even death. Never run the effective. See Roadside Assistance (Continued) (Continued) Program 0 374. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

322 Vehicle Care Read and follow all of the tire Using the Tire Sealant and sealant and compressor kit Compressor Kit to Temporarily instructions. Seal and Inflate a The kit includes: Punctured Tire When using the tire sealant and compressor kit during cold temperatures, warm the kit in a heated environment for five minutes. This will help to inflate the tire faster. If a tire goes flat, avoid further tire 9. Power Plug and wheel damage by driving slowly 10. Air Only Hose to a level place. Turn on the hazard Tire Sealant warning flashers. See Hazard Warning Flashers 0 159. Read and follow the safe handling See If a Tire Goes Flat 0 319 for instructions on the label adhered to other important safety warnings. 1. Sealant Canister Inlet Valve the tire sealant canister (4). Do not remove any objects that 2. Sealant/Air Hose Check the tire sealant expiration have penetrated the tire. 3. Base of Sealant Canister date on the tire sealant canister. 4. Tire Sealant Canister The tire sealant canister (4) should 1. Remove the tire sealant 5. On/Off Button be replaced before its expiration canister (4) and compressor 6. Slot on Top of Compressor date. Replacement tire sealant from its storage location. See 7. Pressure Deflation Button canisters are available at your local Storing the Tire Sealant and 0 8. Pressure Gauge dealer. Compressor Kit 327. There is only enough sealant to seal 2. Remove the air only hose (10) one tire. After usage, the tire sealant and the power plug (9) from the canister must be replaced. bottom of the compressor. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 323 3. Place the compressor on the ground near the flat tire.

5. Slide the base of the tire 7. Attach the sealant/air hose (2) sealant canister (3) into the slot to the tire valve stem by turning on the top of the compressor it clockwise until tight. 4. Attach the air only hose (10) to (6) to hold it upright. 8. Plug the power plug (9) into the the sealant canister inlet Make sure the tire valve stem accessory power outlet in the valve (1) by turning it clockwise is positioned close to the vehicle. Unplug all items from until tight. ground so the hose will other accessory power outlets. reach it. See Power Outlets 0 110. 6. Remove the valve stem cap If the vehicle has an accessory from the flat tire by turning it power outlet, do not use the counterclockwise. cigarette lighter. If the vehicle only has a cigarette lighter, use the cigarette lighter. Do not pinch the power plug cord in the door or window. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

324 Vehicle Care 9. Start the vehicle. The vehicle is on. Turn the compressor off Therefore, Steps 13–21 must must be running while using to get an accurate pressure be done immediately after the air compressor. reading. The compressor may Step 12. 10. Press the on/off button (5) to be turned on/off until the Be careful while handling the turn the tire sealant and correct pressure is reached. tire sealant and compressor kit compressor kit on. as it could be warm after Caution The compressor will inject usage. sealant and air into the tire. If the recommended pressure 13. Unplug the power plug (9) from The pressure gauge (8) will cannot be reached after the accessory power outlet in initially show a high pressure approximately 25 minutes, the the vehicle. while the compressor pushes vehicle should not be driven 14. Turn the sealant/air hose (2) the sealant into the tire. Once farther. The tire is too severely counterclockwise to remove it the sealant is completely damaged and the tire sealant and from the tire valve stem. dispersed into the tire, the compressor kit cannot inflate the 15. Replace the tire valve pressure will quickly drop and tire. Remove the power plug from stem cap. start to rise again as the tire the accessory power outlet and 16. Remove the tire sealant inflates with air only. unscrew the inflating hose from canister (4) from the slot on top 11. Inflate the tire to the the tire valve. See Roadside of the compressor (6). recommended inflation Assistance Program 0 374. pressure using the pressure 17. Turn the air only hose (10) gauge (8). The recommended counterclockwise to remove it inflation pressure can be found 12. Press the on/off button (5) to from the tire sealant canister on the Tire and Loading turn the tire sealant and inlet valve (1). compressor kit off. Information label. See Tire 18. Turn the sealant/air hose (2) 0 Pressure 305. The tire is not sealed and will clockwise onto the sealant The pressure gauge (8) may continue to leak air until the canister inlet valve (1) to read higher than the actual tire vehicle is driven and the prevent sealant leakage. pressure while the compressor sealant is distributed in the tire. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 325 19. Return the air only hose (10) Tire Sealant and Compressor 27. After temporarily sealing a tire and power plug (9) back to Kit without Sealant to Inflate a using the tire sealant and their original storage location. Tire (Not Punctured).” compressor kit, take the If the tire pressure has fallen vehicle to an authorized dealer more than 68 kPa (10 psi) within 161 km (100 mi) of below the recommended driving to have the tire repaired inflation pressure, stop driving or replaced. the vehicle. The tire is too Using the Tire Sealant and severely damaged and the tire Compressor Kit without sealant cannot seal the tire. Sealant to Inflate a Tire (Not 20. If the flat tire was able to inflate See Roadside Assistance to the recommended inflation Program 0 374. Punctured) pressure, remove the If the tire pressure has not The kit includes: maximum speed label from the dropped more than 68 kPa sealant canister and place it in (10 psi) from the recommended a highly visible location. inflation pressure, inflate the Do not exceed the speed on tire to the recommended this label until the damaged tire inflation pressure. is repaired or replaced. 24. Wipe off any sealant from the 21. Return the equipment to its wheel, tire, or vehicle. original storage location in the 25. Dispose of the used tire vehicle. sealant canister (4) at a local 22. Immediately drive the vehicle dealer or in accordance with 8 km (5 mi) to distribute the local state codes and practices. sealant in the tire. 26. Replace it with a new canister 23. Stop at a safe location and available from your dealer. 1. Sealant Canister Inlet Valve check the tire pressure. Refer 2. Sealant/Air Hose to Steps 1–10 under “Using the 3. Base of Sealant Canister GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

326 Vehicle Care 4. Tire Sealant Canister 1. Remove the compressor from If the vehicle only has a 5. On/Off Button its storage location. See cigarette lighter, use the 6. Slot on Top of Compressor Storing the Tire Sealant and cigarette lighter. 0 7. Pressure Deflation Button Compressor Kit 327. Do not pinch the power plug 8. Pressure Gauge 2. Remove the air only hose (10) cord in the door or window. and the power plug (9) from the 7. Start the vehicle. The vehicle bottom of the compressor. must be running while using 3. Place the compressor on the the air compressor. ground near the flat tire. 8. Press the on/off button (5) to Make sure the tire valve stem turn the tire sealant and is positioned close to the compressor kit on. ground so the hose will The compressor will inflate the reach it. tire with air only. 4. Remove the valve stem cap 9. Inflate the tire to the from the flat tire by turning it recommended inflation counterclockwise. pressure using the pressure 9. Power Plug 5. Attach the air only hose (10) to gauge (8). The recommended 10. Air Only Hose the tire valve stem by turning it inflation pressure can be found clockwise until tight. on the Tire and Loading If a tire goes flat, avoid further tire 6. Plug the power plug (9) into the Information label. See Tire and wheel damage by driving slowly Pressure 0 305. to a level place. Turn on the hazard accessory power outlet in the warning flashers. See Hazard vehicle. Unplug all items from The pressure gauge (8) may Warning Flashers 0 159. other accessory power outlets. read higher than the actual tire See Power Outlets 0 110. pressure while the compressor See If a Tire Goes Flat 0 319 for is on. Turn the compressor off other important safety warnings. If the vehicle has an accessory power outlet, do not use the to get an accurate pressure cigarette lighter. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 327 reading. The compressor may 12. Turn the air only hose (10) be turned on/off until the counterclockwise to remove it correct pressure is reached. from the tire valve stem. 13. Replace the tire valve Caution stem cap. If the recommended pressure 14. Return the air only hose (10) cannot be reached after and power plug (9) back to approximately 25 minutes, the their original storage location. vehicle should not be driven 15. Return the equipment to its farther. The tire is too severely original storage location in the damaged and the tire sealant and vehicle. compressor kit cannot inflate the The tire sealant and compressor kit 2. Lift the load floor. tire. Remove the power plug from has accessory adapters located in a 3. Remove the cargo the accessory power outlet and compartment on the bottom of its management system. See unscrew the inflating hose from housing that can be used to inflate Cargo Management System the tire valve. See Roadside air mattresses, balls, etc. 0 101. Assistance Program 0 374. Storing the Tire Sealant 10. Press the on/off button (5) to and Compressor Kit turn the tire sealant and The tire sealant and compressor kit compressor kit off. is in a bag in the rear compartment Be careful while handling the storage area. compressor as it could be 1. Open the liftgate. See Liftgate warm after usage. 0 21. 11. Unplug the power plug (9) from the accessory power outlet in the vehicle. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

328 Vehicle Care

4. Turn the retainer nut 2. Lift the load floor. 4. Turn the wing nut (3) counterclockwise to remove the 3. Remove the cargo counterclockwise to remove the tire sealant and compressor management system. See jack (1) and wheel wrench (2). kit bag. Cargo Management System Place the tool container near 5. Remove the tire sealant and 0 101. the tire being changed. compressor kit from the bag. 5. Remove the spare tire and To store the tire sealant and place it next to the tire being compressor kit, reverse the steps. changed. Removing the Flat Tire and Tire Changing Installing the Spare Tire Removing the Spare Tire and 1. Do a safety check before Tools proceeding. See If a Tire Goes Flat 0 319. To access the spare tire and tools: 1. Open the liftgate. See Liftgate 0 21. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 329

Warning (Continued)

killed. Never get under a vehicle when it is supported only by a jack.

{ Warning Raising the vehicle with the jack improperly positioned can 2. Turn the wheel wrench 4. Position the jack lift head at the damage the vehicle and even counterclockwise to loosen all jack location nearest the make the vehicle fall. To help the wheel nuts, but do not flat tire. avoid personal injury and vehicle remove them yet. The jacking location is damage, be sure to fit the jack lift 3. Place the jack near the flat tire. indicated by a half circle notch head into the proper location in the metal flange. The jack before raising the vehicle. Caution must not be used in any other position. Make sure that the jack lift head { Warning is in the correct position or you { Warning may damage your vehicle. The Lifting a vehicle and getting under repairs would not be covered by Getting under a vehicle when it is it to do maintenance or repairs is your warranty. lifted on a jack is dangerous. dangerous without the If the vehicle slips off the jack, appropriate safety equipment and you could be badly injured or training. If a jack is provided with (Continued) (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

330 Vehicle Care

Warning (Continued)

the vehicle, it is designed only for changing a flat tire. If it is used for anything else, you or others could be badly injured or killed if the vehicle slips off the jack. If a jack is provided with the vehicle, only use it for changing a flat tire.

Caution 5. Turn the wheel wrench 8. Remove all of the wheel nuts. clockwise to raise the jack lift 9. Remove the flat tire. Using a jack to raise the vehicle head until the slots in the jack without positioning it correctly head fit into the metal flange could damage your vehicle. When behind the cut out on the { Warning plastic molding. Do not raise raising your vehicle on a jack, be Rust or dirt on a wheel, or on sure to position it correctly under the vehicle yet. the parts to which it is the frame and avoid contact with 6. Put the compact spare tire the plastic molding. fastened, can make wheel near you. nuts become loose after time. 7. Turn the wrench clockwise in The wheel could come off and the jack to raise the vehicle. cause a crash. When Raise the vehicle far enough changing a wheel, remove any off the ground so that there is rust or dirt from places where enough room for the spare tire to fit under the wheel well. the wheel attaches to the (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 331

Warning (Continued) { Warning Warning (Continued) vehicle. In an emergency, a Never use oil or grease on bolts using accessory locking wheel cloth or a paper towel can be or nuts because the nuts might nuts. See Capacities and used; however, use a scraper come loose. The vehicle's wheel Specifications 0 366 for original or wire brush later to remove could fall off, causing a crash. equipment wheel nut torque all rust or dirt. specifications. 12. Reinstall the wheel nuts. Tighten each nut by hand until the wheel is held against Caution the hub. 13. Lower the vehicle by turning Improperly tightened wheel nuts the jack handle can lead to brake pulsation and counterclockwise. rotor damage. To avoid expensive brake repairs, evenly tighten the wheel nuts in the proper { Warning sequence and to the proper Wheel nuts that are improperly or torque specification. See incorrectly tightened can cause Capacities and Specifications the wheels to become loose or 0 366 for the wheel nut torque come off. The wheel nuts should specification. 10. Remove any rust or dirt from be tightened with a torque wrench the wheel bolts, mounting to the proper torque specification surfaces, and spare wheel. after replacing. Follow the torque 11. Place the compact spare tire specification supplied by the on the wheel-mounting surface. aftermarket manufacturer when (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

332 Vehicle Care Storing the Flat Tire Caution

Wheel covers will not fit on the vehicle's compact spare. If you try to put a wheel cover on the compact spare, the cover or the spare could be damaged.

{ Warning 14. Tighten the wheel nuts firmly in Storing a jack, a tire, or other a crisscross sequence, as equipment in the passenger shown. compartment of the vehicle could 1. Liftgate Hinges 15. Lower the jack all the way and cause injury. In a sudden stop or 2. Cable remove the jack from under the collision, loose equipment could 3. Center of the Wheel vehicle. strike someone. Store all these in 4. Door Striker the proper place. 16. Tighten the wheel nuts firmly with the wheel wrench. When reinstalling the wheel cover or center cap on the full-size tire, tighten all six plastic caps hand snug with the aid of the wheel wrench and tighten them with the wheel wrench an additional one-quarter of a turn. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 333 To store the flat tire: 4. Pull the cable through the door striker and the center of the wheel.

8. Make sure the metal tube is centered at the striker. Push 1. Remove the cable package the tube toward the front of the from under the spare tire, jack, vehicle. and tools, or from the jack 5. Hook the cable onto the 9. Close the liftgate and make container. outside portion of the liftgate sure it is fully latched. hinges. 2. Remove the small cap by The compact spare is for temporary tapping the back of the cap 6. Hook the other end of the cable use only. Replace the compact with the extension of the shaft, onto the outside portion of the spare tire with a full-size tire as if the vehicle has aluminum liftgate hinge on the other side soon as you can. wheels. of the vehicle. 3. Put the flat tire in the rear 7. Pull on the cable to make sure storage area with the valve it is secure. stem facing the rear of the vehicle. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

334 Vehicle Care Storing the Compact Spare Compact Spare Tire recommended that the vehicle Tire and Tools speed be limited to 80 km/h (50 mph). To conserve the tread of the To store the spare tire and tools: { Warning spare tire, have the standard tire 1. Open the liftgate. See Liftgate Driving with more than one repaired or replaced as soon as 0 convenient and return the spare tire 21. compact spare tire at a time could to the storage area. 2. Lift the load floor. result in loss of braking and When using a compact spare tire, 3. Remove the cargo handling. This could lead to a the ABS and Traction Control management system. crash and you or others could be injured. Use only one compact systems may engage until the spare 4. Put back the spare tire and all spare tire at a time. tire is recognized by the vehicle, tools as they were stored in the especially on slippery roads. Adjust rear storage compartment. driving to reduce possible If this vehicle has a compact spare 5. Install the cargo management wheel slip. tire, it was fully inflated when new; system and load floor. Performance of the All-Wheel however, it can lose air over time. Drive (AWD) system will be The compact spare is for temporary Check the inflation pressure automatically reduced to protect the use only. Replace the compact regularly. It should be 420 kPa system when using the compact spare tire with a full-size tire as (60 psi). soon as you can. spare. To restore the AWD and Stop as soon as possible and check prevent excessive wear on the that the spare tire is correctly clutch in the AWD, replace the inflated after being installed on the compact spare tire with a full-size vehicle. The compact spare tire is tire as soon as possible. designed for temporary use only. The vehicle will perform differently with the spare tire installed and it is GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 335

Caution Jump Starting Warning (Continued) When the compact spare is Jump Starting - North HANDLING. For more information installed, do not take the vehicle America go to www.P65Warnings.ca.gov/ through an automatic car wash passenger-vehicle. with guide rails. The compact For more information about the spare can get caught on the rails vehicle battery, see Battery - North America 0 283. See California Proposition which can damage the tire, wheel, 65 Warning 0 260 and the back and other parts of the vehicle. If the battery has run down, try to cover. use another vehicle and some jumper cables to start your vehicle. Do not use the compact spare on Be sure to use the following steps to { Warning other vehicles. do it safely. Batteries can hurt you. They can Do not mix the compact spare tire or be dangerous because: wheel with other wheels or tires. They will not fit. Keep the spare tire { Warning . They contain acid that can and its wheel together. WARNING: Battery posts, burn you. terminals, and related . They contain gas that can Caution accessories contain lead and lead explode or ignite. compounds, chemicals known to Tire chains will not fit the compact . They contain enough the State of California to cause electricity to burn you. spare. Using them can damage cancer and birth defects or other the vehicle and the chains. Do not reproductive harm. Batteries also If you do not follow these steps use tire chains on the compact contain other chemicals known to exactly, some or all of these spare. the State of California to cause things can hurt you. cancer. WASH HANDS AFTER (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

336 Vehicle Care 3. Good Battery Negative (-) 3. Set the parking brake and shift Caution Terminal the vehicle into P (Park) with 4. Good Battery Positive (+) an automatic transmission, Ignoring these steps could result Terminal or Neutral with a manual in costly damage to the vehicle transmission. See Shifting Into The jump start positive (+) that would not be covered by the Park 0 197. vehicle warranty. Trying to start Terminal (1) and the negative the vehicle by pushing or pulling it remote negative terminal (2) for the discharged battery are on the driver Caution will not work, and it could damage side of the vehicle. the vehicle. If any accessories are left on or The jump start positive (+) plugged in during the jump terminal (4) and negative (-) starting procedure, they could be terminal (3) are on the battery of the damaged. The repairs would not vehicle providing the jump start. be covered by the vehicle 1. Check the other vehicle. warranty. Whenever possible, turn It must have a 12-volt battery off or unplug all accessories on with a negative ground system. either vehicle when jump starting.

Caution 4. Turn the ignition off. Turn off all If the other vehicle does not have lights and accessories in both vehicles, except the hazard a 12-volt system with a negative warning flashers if needed. ground, both vehicles can be damaged. Only use a vehicle that 1. Discharged Battery has a 12-volt system with a Positive (+) Terminal negative ground for jump starting. 2. Discharged Battery Remote Negative (-) Terminal 2. Position the two vehicles so that they are not touching. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 337 9. Start the engine in the vehicle { Warning { Warning with the good battery and run the engine at idle speed for at An electric fan can start up even Fans or other moving engine least four minutes. when the engine is not running parts can injure you badly. Keep and can injure you. Keep hands, your hands away from moving 10. Try to start the vehicle that had clothing, and tools away from any parts once the engine is running. the dead battery. If it will not underhood electric fan. start after a few tries, it probably needs service. 5. Connect one end of the red positive (+) cable to the Caution positive (+) terminal on the { Warning discharged battery. If the jumper cables are Using a match near a battery can 6. Connect the other end of the connected or removed in the cause battery gas to explode. red positive (+) cable to the wrong order, electrical shorting People have been hurt doing this, positive (+) terminal of the good may occur and damage the and some have been blinded. battery. vehicle. The repairs would not be Use a flashlight if you need more 7. Connect one end of the black covered by the vehicle warranty. light. negative (–) cable to the Always connect and remove the Battery fluid contains acid that negative (–) terminal of the jumper cables in the correct order, can burn you. Do not get it on good battery. making sure that the cables do not touch each other or other you. If you accidentally get it in 8. Connect the other end of the metal. your eyes or on your skin, flush black negative (–) cable to the the place with water and get remote negative (–) terminal on medical help immediately. the driver side shock tower for the discharged battery. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

338 Vehicle Care Jumper Cable Removal Towing the Vehicle Caution (Continued) Reverse the sequence exactly when removing the jumper cables. Caution tow truck from a flat road surface, After starting the disabled vehicle or to move the vehicle a short and removing the jumper cables, Incorrectly towing a disabled distance. Use caution and low allow it to idle for several minutes. vehicle may cause damage. The speeds. The transmission must damage would not be covered by be in (N) Neutral when moving the vehicle warranty. Do not lash the vehicle. or hook to suspension components. Use the proper GM recommends a flatbed tow truck straps around the tires to secure to transport a disabled vehicle. Use the vehicle. Do not drag a locked ramps to help reduce approach wheel/tire. Use tire skates or angles, if necessary. A towed dollies under any locked wheel/ vehicle should have its drive wheels tire while loading the vehicle. Do off the ground. Contact Roadside not use a sling type lift to tow the Assistance or a professional towing vehicle. This could damage the service if the disabled vehicle must vehicle. be towed.

Caution

Improper use of the tow eye can damage the vehicle. If equipped, use the tow eye to load a disabled vehicle onto a flatbed (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 339 Front Attachment Points known as dinghy towing and dolly . If the vehicle is ready to be towing. Dinghy towing is towing the towed. Just as preparing the vehicle with all four wheels on the vehicle for a long trip, make sure ground. Dolly towing is towing the the vehicle is prepared to be vehicle with two wheels on the towed. ground and two wheels up on a device known as a dolly. Caution Here are some important things to consider before recreational vehicle Use of a shield mounted in front towing: of the vehicle grille could restrict airflow and cause damage to the Become familiar with the local . transmission. The repairs would laws that apply to recreational not be covered by the vehicle vehicle towing. These laws may vary by region. warranty. If using a shield, only The vehicle is equipped with use one that attaches to the . The towing capacity of the towing vehicle. specific attachment points to be towing vehicle. Be sure to read used by the towing provider. These the tow vehicle manufacturer's holes may be used to pull the recommendations. vehicle from a flat road surface onto the flatbed tow truck. . How far the vehicle will be towed. Some vehicles have Recreational Vehicle restrictions on how far and how Towing long they can be towed. . The proper towing equipment. Recreational vehicle towing means See your dealer or trailering towing the vehicle behind another professional for additional advice vehicle, such as behind a motor and equipment home. The two most common types recommendations. of recreational vehicle towing are GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

340 Vehicle Care Dinghy Towing must be towed, a dolly should be 4. Hold the brake pedal and press used. See the following information the parking brake switch for on dolly towing. 15 seconds until the service parking brake light flashes. Dolly Towing 5. While the service parking brake light is still flashing, remove your foot from the brake pedal and release the parking brake switch. 6. Immediately press and release the parking brake switch again while the service park brake light is still flashing. 7. Start the vehicle and drive onto Caution the dolly. 8. Place the vehicle in P (Park). If the vehicle is towed with all four wheels on the ground, the Driving onto a Dolly 9. Turn off the vehicle. drivetrain components could be 1. Park the vehicle on level 10. Open the hood. damaged. The repairs would not ground in front of the dolly and 11. Exit the vehicle and secure the be covered by the vehicle turn the vehicle off. vehicle onto the dolly. warranty. Do not tow the vehicle 2. Make sure the parking brake is with all four wheels on the 12. Disconnect the negative (–) released. ground. terminal connector from the 3. Press and hold ENGINE 12-volt battery. START/STOP with your foot off 13. Close the hood of the vehicle. The vehicle is neither designed nor the brake for five seconds. intended to be towed with all four wheels on the ground. If the vehicle GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 341 Removing the Vehicle from a Dolly Towing the Vehicle from Caution 1. Make sure the vehicle is the Rear secured to the dolly. Towing the vehicle from the rear 2. Open the door and open the could damage it. Also, repairs hood of the vehicle. would not be covered by the vehicle warranty. Never have the 3. Connect the negative (–) terminal connector from the vehicle towed from the rear. 12-volt battery. 4. Press and hold ENGINE Do not tow the vehicle from the rear. START/STOP with your foot off the brake for five seconds. 5. Hold the brake pedal and press the parking brake switch for five seconds until the parking brake light flashes. 6. Turn the vehicle off. 7. Unsecure the vehicle and remove it from the dolly. 8. Do not drive in Service Mode with the parking brake set. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

342 Vehicle Care

Appearance Care Caution (Continued) Caution (Continued) Exterior Care your dealer. Follow all This could cause damage that manufacturer directions regarding would not be covered by the Locks correct product usage, necessary vehicle warranty. Locks are lubricated at the factory. safety precautions, and Use a de-icing agent only when appropriate disposal of any If using an automatic car wash, absolutely necessary, and have the vehicle care product. follow the car wash instructions. The locks greased after using. See windshield wiper and rear window Recommended Fluids and wiper, if equipped, must be off. Lubricants 0 362. Caution Remove any accessories that may Washing the Vehicle be damaged or interfere with the car wash equipment. To preserve the vehicle's finish, Avoid using high-pressure wash it often and out of direct washes closer than 30 cm (12 in) Rinse the vehicle well, before sunlight. to the surface of the vehicle. Use washing and after, to remove all of power washers exceeding cleaning agents completely. If they are allowed to dry on the surface, Caution 8 274 kPa (1,200 psi) can result in damage or removal of paint they could stain. Do not use petroleum-based, and decals. Dry the finish with a soft, clean acidic, or abrasive cleaning chamois or an all-cotton towel to agents as they can damage the avoid surface scratches and water spotting. vehicle's paint, metal, or plastic Caution parts. If damage occurs, it would Finish Care not be covered by the vehicle Do not power wash any warranty. Approved cleaning component under the hood that Application of aftermarket clearcoat products can be obtained from sealant/wax materials is not has this e symbol. recommended. If painted surfaces (Continued) (Continued) are damaged, see your dealer to GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 343 have the damage assessed and The bright metal moldings on the repaired. Foreign materials such as Caution vehicle are aluminum, chrome, calcium chloride and other salts, ice or stainless steel. To prevent melting agents, road oil and tar, tree Machine compounding or damage always follow these sap, bird droppings, chemicals from aggressive polishing on a cleaning instructions: basecoat/clearcoat paint finish industrial chimneys, etc., can . Be sure the molding is cool to damage the vehicle's finish if they may damage it. Use only non-abrasive waxes and polishes the touch before applying any remain on painted surfaces. Wash cleaning solution. the vehicle as soon as possible. that are made for a basecoat/ If necessary, use non-abrasive clearcoat paint finish on the . Use only approved cleaning cleaners that are marked safe for vehicle. solutions for aluminum, chrome, painted surfaces to remove foreign or stainless steel. Some matter. cleaners are highly acidic or To keep the paint finish looking new, contain alkaline substances and Occasional hand waxing or mild keep the vehicle garaged or can damage the moldings. polishing should be done to remove covered whenever possible. residue from the paint finish. See . Always dilute a concentrated your dealer for approved cleaning Protecting Exterior Bright Metal cleaner according to the products. Moldings manufacturer’s instructions. Do not apply waxes or polishes to . Do not use cleaners that are not uncoated plastic, vinyl, rubber, Caution intended for automotive use. decals, simulated wood, or flat paint Failure to clean and protect the . Use a nonabrasive wax on the as damage can occur. bright metal moldings can result vehicle after washing to protect in a hazy white finish or pitting. and extend the molding finish. This damage would not be covered by the vehicle warranty. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

344 Vehicle Care Cleaning Exterior Lamps/ . Aftermarket appearance caps or Shutter System Lenses, Emblems, Decals, and covers while the lamps are Stripes illuminated, due to excessive heat generated. Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean exterior lamps, lenses, Caution emblems, decals, and stripes. Failure to clean lamps properly Follow instructions under "Washing can cause damage to the lamp the Vehicle" previously in this cover that would not be covered section. by the vehicle warranty. Lamp covers are made of plastic, and some have a UV protective coating. Do not clean or wipe them when dry. Caution The vehicle may have a shutter Do not use any of the following on Using wax on low gloss black system designed to help increase lamp covers: finish stripes can increase the fuel economy. Keep the shutter . Abrasive or caustic agents. gloss level and create a system clean for proper operation. . Washer fluids and other cleaning non-uniform finish. Clean low Windshield and Wiper Blades agents in higher concentrations gloss stripes with soap and Clean the outside of the windshield than suggested by the water only. with glass cleaner. manufacturer. Clean rubber blades using a lint-free . Solvents, alcohols, fuels, Air Intakes cloth or paper towel soaked with or other harsh cleaners. Clear debris from the air intakes, windshield washer fluid or a mild . Ice scrapers or other hard items. between the hood and windshield, detergent. Wash the windshield when washing the vehicle. thoroughly when cleaning the blades. Bugs, road grime, sap, and GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 345 a buildup of vehicle wash/wax treatments may cause wiper Caution Caution (Continued) streaking. Using petroleum-based tire dust and ice. Always wash the Replace the wiper blades if they are dressing products on the vehicle chrome with soap and water after worn or damaged. Damage can be may damage the paint finish and/ exposure. caused by extreme dusty or tires. When applying a tire conditions, sand, salt, heat, sun, dressing, always wipe off any snow, and ice. overspray from all painted Caution Weatherstrips surfaces on the vehicle. Apply weatherstrip lubricant on To avoid surface damage on weatherstrips to make them last Wheels and Wheel Trim wheels and wheel trim, do not longer, seal better, and not stick or use strong soaps, chemicals, Use a soft, clean cloth with mild squeak. Lubricate weatherstrips at abrasive polishes, cleaners, soap and water to clean the wheels. least once a year. Hot, dry climates After rinsing thoroughly with clean or brushes. Use only GM may require more frequent water, dry with a soft, clean towel. approved cleaners. Do not drive application. Black marks from A wax may then be applied. the vehicle through an automatic rubber material on painted surfaces car wash that uses silicon carbide can be removed by rubbing with a Caution tire/wheel cleaning brushes. clean cloth. See Recommended Damage could occur and the Fluids and Lubricants 0 362. Chrome wheels and chrome repairs would not be covered by Tires wheel trim may be damaged if the the vehicle warranty. Use a stiff brush with tire cleaner to vehicle is not washed after driving clean the tires. on roads that have been sprayed Brake System with magnesium chloride or calcium chloride. These are used Visually inspect brake lines and on roads for conditions such as hoses for proper hook-up, binding, leaks, cracks, chafing, etc. Inspect (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

346 Vehicle Care disc brake pads for wear and rotors Underbody Maintenance Finish Damage for surface condition. Inspect all At least twice a year, spring and fall, Quickly repair minor chips and other brake parts. use plain water to flush any scratches with touch-up materials Steering, Suspension, and corrosive materials from the available from your dealer to avoid Chassis Components underbody. Take care to thoroughly corrosion. Larger areas of finish clean any areas where mud and damage can be corrected in your Visually inspect steering, other debris can collect. dealer's body and paint shop. suspension, and chassis components for damaged, loose, Do not directly power wash the Chemical Paint Spotting transfer case and/or front/rear axle or missing parts or signs of wear at Airborne pollutants can fall upon least once a year. output seals. High pressure water can overcome the seals and and attack painted vehicle surfaces Inspect power steering for proper contaminate the fluid. Contaminated causing blotchy, ring-shaped electrical connections, binding, fluid will decrease the life of the discolorations, and small, irregular cracks, chafing, etc. transfer case and/or axles and dark spots etched into the paint Visually check constant velocity joint should be replaced. surface. See “Finish Care” boots and axle seals for leaks. previously in this section. Sheet Metal Damage Body Component Lubrication If the vehicle is damaged and Interior Care Lubricate all key lock cylinders, requires sheet metal repair or To prevent dirt particle abrasions, hood hinges, liftgate hinges, and the replacement, make sure the body regularly clean the vehicle's interior. steel fuel door hinges, unless the repair shop applies anti-corrosion Immediately remove any soils. components are plastic. Applying material to parts repaired or Newspapers or dark garments can silicone grease on weatherstrips replaced to restore corrosion transfer color to the vehicle’s with a clean cloth will make them protection. interior. last longer, seal better, and not stick Original manufacturer replacement or squeak. Use a soft bristle brush to remove parts will provide the corrosion dust from knobs and crevices on the protection while maintaining the instrument cluster. Using a mild vehicle warranty. soap solution, immediately remove GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 347 hand lotions, sunscreen, and insect . Do not use laundry detergents or repellent from all interior surfaces or dishwashing soaps with Caution permanent damage may result. degreasers. For liquid cleaners, To prevent scratching, never use Use cleaners specifically designed use approximately 20 drops per 3.8 L (1 gal) of water. abrasive cleaners on automotive for the surfaces being cleaned to glass. Abrasive cleaners or prevent permanent damage. Apply A concentrated soap solution will create streaks and attract dirt. aggressive cleaning may damage all cleaners directly to the cleaning the rear window defogger. cloth. Do not spray cleaners on any Do not use solutions that contain switches or controls. Remove strong or caustic soap. cleaners quickly. . Do not heavily saturate the Cleaning the windshield with water during the first three to six months Before using cleaners, read and upholstery when cleaning. of ownership will reduce tendency follow all safety instructions on the . Do not use solvents or cleaners to fog. label. While cleaning the interior, containing solvents. open the doors and windows to get Speaker Covers proper ventilation. Interior Glass Vacuum around a speaker cover To clean, use a terry cloth fabric To prevent damage, do not clean gently, so that the speaker will not dampened with water. Wipe droplets the interior using the following be damaged. Clean spots with water left behind with a clean dry cloth. cleaners or techniques: and mild soap. If necessary, use a commercial . Never use a razor or any other glass cleaner after cleaning with Coated Moldings sharp object to remove soil from plain water. any interior surface. Coated moldings should be cleaned. . Never use a brush with stiff . When lightly soiled, wipe with a bristles. sponge or soft, lint-free cloth dampened with water. . Never rub any surface aggressively or with too much . When heavily soiled, use warm pressure. soapy water. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

348 Vehicle Care Fabric/Carpet/Suede to a clean area frequently to Cleaning High Gloss Surfaces prevent forcing the soil in to the Start by vacuuming the surface and Vehicle Information and fabric. using a soft brush attachment. If a Radio Displays rotating vacuum brush attachment is 4. Continue gently rubbing the Use a microfiber cloth on high gloss being used, only use it on the floor soiled area until there is no surfaces or vehicle displays. First, carpet. Before cleaning, gently longer any color transfer from use a soft bristle brush to remove remove as much of the soil as the soil to the cleaning cloth. dirt that can scratch the surface. possible: 5. If the soil is not completely Then gently clean by rubbing with a . Gently blot liquids with a paper removed, use a mild soap microfiber cloth. Never use window towel. Continue blotting until no solution followed only by plain cleaners or solvents. Periodically more soil can be removed. water. hand wash the microfiber cloth separately, using mild soap. Do not If the soil is not completely . For solid soils, remove as much use bleach or fabric softener. Rinse removed, it may be necessary to as possible prior to vacuuming. thoroughly and air dry before use a commercial upholstery To clean: next use. cleaner or spot lifter. Test a small 1. Saturate a clean, lint-free hidden area for colorfastness before colorfast cloth with water. using a commercial upholstery Caution Microfiber cloth is cleaner or spot lifter. If ring recommended to prevent lint formation occurs, clean the entire Do not attach a device with a transfer to the fabric or carpet. fabric or carpet. suction cup to the display. This may cause damage and would 2. Remove excess moisture by After cleaning, use a paper towel to not be covered by the vehicle gently wringing until water does blot excess moisture. warranty. not drip from the cleaning cloth. 3. Start on the outside edge of the soil and gently rub toward the center. Fold the cleaning cloth GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Vehicle Care 349 Instrument Panel, Leather, Cargo Cover and Vinyl, Other Plastic Surfaces, Caution (Continued) Convenience Net Low Gloss Paint Surfaces, and the appearance and feel of If equipped, wash with warm water Natural Open Pore Wood leather or soft trim, and are not and mild detergent. Do not use Surfaces recommended. chlorine bleach. Rinse with cold Use a soft microfiber cloth water, and then dry completely. dampened with water to remove Do not use cleaners that increase Care of Seat Belts dust and loose dirt. For a more gloss, especially on the instrument Keep belts clean and dry. thorough cleaning, use a soft panel. Reflected glare can decrease microfiber cloth dampened with a visibility through the windshield mild soap solution. under certain conditions. { Warning Caution Do not bleach or dye seat belt Caution webbing. It may severely weaken Soaking or saturating leather, Use of air fresheners may cause the webbing. In a crash, they especially perforated leather, as permanent damage to plastics might not be able to provide well as other interior surfaces, and painted surfaces. If an air adequate protection. Clean and may cause permanent damage. freshener comes in contact with rinse seat belt webbing only with Wipe excess moisture from these any plastic or painted surface in mild soap and lukewarm water. surfaces after cleaning and allow the vehicle, blot immediately and Allow the webbing to dry. them to dry naturally. Never use clean with a soft cloth dampened heat, steam, or spot removers. Do with a mild soap solution. not use cleaners that contain Damage caused by air fresheners silicone or wax-based products. would not be covered by the Cleaners containing these vehicle warranty. solvents can permanently change (Continued) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

350 Vehicle Care Floor Mats . Do not use a floor mat if the Some vehicles have floor mats with vehicle is not equipped with a a button-type retainer. floor mat retainer on the driver { Warning side floor. Removing and Replacing the Floor Mat If a floor mat is the wrong size or . Use the floor mat with the 1. Pull up on the rear of the floor is not properly installed, it can correct side up. Do not turn it over. mat to unlock each retainer interfere with the pedals. and remove. Interference with the pedals can . Do not place anything on top of cause unintended acceleration the driver side floor mat. 2. Reinstall by lining up the floor and/or increased stopping mat retainer openings over the . Use only a single floor mat on distance which can cause a crash carpet retainers and snapping the driver side. and injury. Make sure the floor into position. mat does not interfere with the . Do not place one floor mat on 3. Make sure the floor mat is pedals. top of another. properly secured in place. Button Retainer Verify the floor mat does not interfere with the pedals. Use the following guidelines for proper floor mat usage. . The original equipment floor mats were designed for your vehicle. If the floor mats need replacing, it is recommended that GM certified floor mats be purchased. Non-GM floor mats may not fit properly and may interfere with the accelerator or brake pedal. Always check that the floor mats do not interfere with the pedals. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Service and Maintenance 351 General Information for routine maintenance such as oil Service and changes and tire rotations and Maintenance Your vehicle is an important additional maintenance items like investment. This section describes tires, brakes, batteries, and wiper the required maintenance for the blades. General Information vehicle. Follow this schedule to help General Information ...... 351 protect against major repair Caution expenses resulting from neglect or Maintenance Schedule inadequate maintenance. It may Damage caused by improper Maintenance Schedule ...... 353 also help to maintain the value of maintenance can lead to costly the vehicle if it is sold. It is the Special Application Services repairs and may not be covered responsibility of the owner to have by the vehicle warranty. Special Application all required maintenance performed. Services ...... 358 Maintenance intervals, checks, Your dealer has trained technicians inspections, recommended fluids, Additional Maintenance who can perform required and lubricants are important to and Care maintenance using genuine keep the vehicle in good working Additional Maintenance replacement parts. They have condition. and Care ...... 359 up-to-date tools and equipment for fast and accurate diagnostics. Many Do not have chemical flushes that Recommended Fluids, dealers have extended evening and are not approved by GM Lubricants, and Parts Saturday hours, courtesy performed on the vehicle. The Recommended Fluids and transportation, and online use of flushes, solvents, cleaners, Lubricants ...... 362 scheduling to assist with service or lubricants that are not Maintenance Replacement needs. approved by GM could damage Parts ...... 363 Your dealer recognizes the the vehicle, requiring expensive Maintenance Records importance of providing repairs that are not covered by Maintenance Records ...... 364 competitively priced maintenance the vehicle warranty. and repair services. With trained technicians, the dealer is the place GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

352 Service and Maintenance The Tire Rotation and Required Refer to the information in the Services are the responsibility of the Maintenance Schedule Additional { Warning vehicle owner. It is recommended to Required Services - Normal chart. have your dealer perform these Performing maintenance work can The Additional Required Services - be dangerous and can cause services every 12 000 km/7,500 mi. Severe are for vehicles that are: Proper vehicle maintenance helps to serious injury. Perform keep the vehicle in good working . Mainly driven in heavy city traffic maintenance work only if the condition, improves fuel economy, in hot weather. required information, proper tools, and reduces vehicle emissions. . Mainly driven in hilly or and equipment are available. Because of the way people use mountainous terrain. If they are not, see your dealer to have a trained technician do the vehicles, maintenance needs vary. . Frequently towing a trailer. There may need to be more work. See Doing Your Own frequent checks and services. The . Used for high speed or Service Work 0 261. Additional Required Services - competitive driving. Normal are for vehicles that: . Used for taxi, police, or delivery . Carry passengers and cargo service. within recommended limits on Refer to the information in the the Tire and Loading Information Maintenance Schedule Additional label. See Vehicle Load Limits Required Services - Severe chart. 0 186. . Are driven on reasonable road surfaces within legal driving limits. . Use the recommended fuel. See Recommended Fuel 0 242. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Service and Maintenance 353 Maintenance indicate the need for vehicle service Air Conditioning Desiccant for up to a year. The engine oil and (Replace Every Seven Years) Schedule filter must be changed at least once a year and the oil life system must The air conditioning system requires Owner Checks and Services be reset. Your trained dealer maintenance every seven years. This service requires replacement of At Each Fuel Stop technician can perform this work. If the engine oil life system is reset the desiccant to help the longevity . Check the engine oil level. See accidentally, service the vehicle and efficient operation of the air Engine Oil 0 269. within 5 000 km (3,000 mi) since the conditioning system. This service can be complex. See your dealer. Once a Month last service. Reset the oil life system when the oil is changed. Tire Rotation and Required . Check the tire inflation See Engine Oil Life System 0 271. pressures. See Tire Pressure Services Every 12 000 km 0 305. Engine Air Filter Change (7,500 mi) . Inspect the tires for wear. See When the REPLACE AT NEXT OIL Rotate the tires, if recommended for Tire Inspection 0 312. CHANGE message displays, the the vehicle, and perform the engine air filter should be replaced following services. See Tire . Check the windshield washer at the next engine oil change. When Rotation 0 312. fluid level. See Washer Fluid the REPLACE ENGINE AIR FILTER 0 281. . Check engine oil level and oil SOON message displays, the life percentage. If needed, Engine Oil Change engine air filter should be replaced change engine oil and filter, at the earliest convenience. Reset When the CHANGE ENGINE OIL and reset oil life system. See the engine air filter life system after 0 SOON message displays, have the Engine Oil 269 and the engine air filter is replaced. See Engine Oil Life System 0 271. engine oil and filter changed within Engine Air Filter Life System 0 273. the next 1 000 km (600 mi). If driven under the best conditions, the engine oil life system may not GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

354 Service and Maintenance . If equipped with the engine air rubber boots, loose or missing . Check starter switch. See Starter filter life system, check the air parts, or signs of wear at least Switch Check 0 284. filter life percentage. once a year. See Exterior Care 0 . Check parking brake and If necessary, replace the engine 342. automatic transmission park air filter and reset the engine air . Inspect power steering for mechanism. See Park Brake and filter life system. See Engine Air 0 proper electrical connections, P (Park) Mechanism Check Filter Life System 273. If the binding, cracks, chafing, etc. 0 285. vehicle is not equipped with the engine air filter life system, . Visually inspect halfshafts and . Check accelerator pedal for inspect the engine air cleaner driveshafts for excessive wear, damage, high effort, or binding. filter. See Engine Air Cleaner/ lubricant leaks, and/or damage Replace if needed. 0 Filter 273. including: tube dents or cracks, . Visually inspect gas strut for constant velocity joint or signs of wear, cracks, or other . Check engine coolant level. See universal joint looseness, Cooling System 0 275. damage. Check the hold open cracked or missing boots, loose ability of the strut. If the hold . Check windshield washer fluid or missing boot clamps, center 0 open ability is low, service the level. See Washer Fluid 281. bearing excessive looseness, gas strut. See Gas Strut(s) . Check tire inflation pressures. loose or missing fasteners, and 0 286. 0 axle seal leaks. See Tire Pressure 305. . Check tire sealant expiration . Inspect tire wear. See Tire . Check restraint system date, if equipped. See Tire Inspection 0 312. components. See Safety System Sealant and Compressor Kit Check 0 63. 0 . Visually check for fluid leaks. 321. . Visually inspect fuel system for . Inspect sunroof track and seal, . Inspect brake system. See damage or leaks. 0 Exterior Care 0 342. if equipped. See Sunroof 38. . Visually inspect exhaust system . Visually inspect steering, and nearby heat shields for suspension, and chassis loose or damaged parts. components for damage, including cracks or tears in the . Lubricate body components. See Exterior Care 0 342. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Service and Maintenance 355

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. Check @@@@@@@@@@@@@@@@@@@@ engine air filter life percentage and status. Change engine air filter, if needed. Replace passenger compartment air filter. (1) @ @ @ @ @ @ Inspect evaporative control system. (2) @ @ @ If the vehicle is not equipped with the engine air filter life system, replace engine air cleaner @ @ @ filter. (3) 2.0L Turbo Engine Only: Replace spark plugs. @ @ Inspect spark plug wires and/or boots. Except 2.0L Turbo Engine: Replace spark plugs. @ Inspect spark plug wires and/or boots. Change rear axle fluid, if equipped with AWD. (4) @ Drain and fill engine cooling system. (5) @ Visually inspect accessory drive belts. (6) @ Replace brake fluid. (7) Replace windshield wiper blades. (8) @@@@@@@@@@ Replace hood and/or body lift support gas @ @ struts. (9) Replace air conditioning desiccant. (10) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

356 Service and Maintenance Footnotes — Maintenance (2) Visually check all fuel and vapor (5) Or every five years, whichever Schedule Additional Required lines and hoses for proper comes first. See Cooling System Services - Normal attachment, connection, routing, and 0 275. (1) Or every two years, whichever condition. (6) Or every 10 years, whichever comes first. More frequent (3) Or every four years, whichever comes first. Inspect for fraying, passenger compartment air filter comes first. If driving in dusty excessive cracking, or damage; replacement may be needed if conditions, inspect the filter at each replace, if needed. driving in areas with heavy traffic, oil change or more often as needed. 0 (7) Replace brake fluid every five poor air quality, high dust levels, See Engine Air Cleaner/Filter 273. years. See Brake Fluid 0 282. or environmental allergens. (4) Do not directly power wash the (8) Or every 12 months, whichever Passenger compartment air filter transfer case and/or front/rear axle replacement may also be needed if comes first. See Wiper Blade output seals. High pressure water Replacement 0 285 there is reduced airflow, window can overcome the seals and fogging, or odors. Your GM dealer contaminate the transfer case fluid. (9) Or every 10 years, whichever can help determine when to replace Contaminated fluid will decrease the comes first. See Gas Strut(s) 0 286. the filter. life of the transfer case and/or axles (10) Replace air conditioning and should be replaced. desiccant every seven years. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Service and Maintenance 357

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. Check @@@@@@@@@@@@@@@@@@@@ engine air filter life percentage and status. Change engine air filter, if needed. Replace passenger compartment air filter. (1) @ @ @ @ @ @ Inspect evaporative control system. (2) @ @ @ If the vehicle is not equipped with the engine air filter life system, replace engine air cleaner @ @ @ filter. (3) 2.0L Turbo Engine Only: Replace spark plugs. @ @ Inspect spark plug wires and/or boots. Except 2.0L Turbo Engine: Replace spark plugs. @ Inspect spark plug wires and/or boots. Change automatic transmission fluid. @ @ @ Change rear axle fluid, if equipped with AWD. (4) @ @ Drain and fill engine cooling system. (5) @ Visually inspect accessory drive belts. (6) @ Replace brake fluid. (7) Replace windshield wiper blades. (8) @@@@@@@@@@ Replace hood and/or body lift support gas @ @ struts. (9) Replace air conditioning desiccant. (10) GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

358 Service and Maintenance Footnotes — Maintenance (4) Do not directly power wash the Special Application Schedule Additional Required transfer case and/or front/rear axle Services - Severe output seals. High pressure water Services can overcome the seals and (1) Or every two years, whichever . Severe Commercial Use contaminate the transfer case fluid. comes first. More frequent Vehicles Only: Lubricate chassis Contaminated fluid will decrease the passenger compartment air filter components every oil change. replacement may be needed if life of the transfer case and/or axles . Have underbody flushing service driving in areas with heavy traffic, and should be replaced. performed. See "Underbody poor air quality, high dust levels, (5) Or every five years, whichever Maintenance" in Exterior Care or environmental allergens. comes first. See Cooling System 0 342. Passenger compartment air filter 0 275. replacement may also be needed if (6) Or every 10 years, whichever there is reduced airflow, window comes first. Inspect for fraying, fogging, or odors. Your GM dealer excessive cracking, or damage; can help determine when to replace replace, if needed. the filter. (7) Replace brake fluid every five (2) Visually check all fuel and vapor years. See Brake Fluid 0 282. lines and hoses for proper attachment, connection, routing, and (8) Or every 12 months, whichever condition. comes first. See Wiper Blade Replacement 0 285 (3) Or every four years, whichever comes first. If driving in dusty (9) Or every 10 years, whichever conditions, inspect the filter at each comes first. See Gas Strut(s) 0 286. oil change or more often as needed. (10) Replace air conditioning 0 See Engine Air Cleaner/Filter 273. desiccant every seven years. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Service and Maintenance 359 Additional Battery Brakes The 12-volt battery supplies power Brakes stop the vehicle and are Maintenance and Care to start the engine and operate any crucial to safe driving. Your vehicle is an important additional electrical accessories. . 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. 0 . Trained dealer technicians have Lubricants 362 for GM approved The following list is intended to access to tools and equipment 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 Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

360 Service and Maintenance Hoses Shocks and Struts Tires Hoses transport fluids and should Shocks and struts help aid in control Tires need to be properly inflated, be regularly inspected to ensure for a smoother ride. rotated, and balanced. Maintaining that there are no cracks or leaks. . Signs of wear may include the tires can save money and fuel, With a multi-point inspection, your steering wheel vibration, bounce/ and can reduce the risk of tire dealer can inspect the hoses and sway while braking, longer failure. advise if replacement is needed. stopping distance, or uneven . Signs that the tires need to be Lamps tire wear. replaced include three or more . As part of the multi-point visible treadwear indicators; cord Properly working headlamps, or fabric showing through the taillamps, and brake lamps are inspection, trained dealer technicians can visually inspect rubber; cracks or cuts in the important to see and be seen on tread or sidewall; or a bulge or the road. the shocks and struts for signs of leaking, blown seals, split in the tire. . Signs that the headlamps need or damage, and can advise . Trained dealer technicians can attention include dimming, failure when service is needed. inspect and recommend the right to light, cracking, or damage. tires. Your dealer can also The brake lamps need to be provide tire/wheel balancing checked periodically to ensure services to ensure smooth that they light when braking. vehicle operation at all speeds. . With a multi-point inspection, Your dealer sells and services your dealer can check the lamps name brand tires. and note any concerns. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Service and Maintenance 361 Vehicle Care . Your dealer has the required Wiper Blades To help keep the vehicle looking like equipment to ensure proper Wiper blades need to be cleaned new, vehicle care products are wheel alignment. and kept in good condition to available from your dealer. For Windshield provide a clear view. information on how to clean and For safety, appearance, and the . Signs of wear include streaking, protect the vehicle’s interior and 0 best viewing, keep the windshield skipping across the windshield, exterior, see Interior Care 346 and and worn or split rubber. Exterior Care 0 342. clean and clear. . Signs of damage include . Trained dealer technicians can Wheel Alignment scratches, cracks, and chips. check the wiper blades and replace them when needed. Wheel alignment is critical for . Trained dealer technicians can ensuring that the tires deliver inspect the windshield and optimal wear and performance. recommend proper replacement . Signs that the alignment may if needed. need to be adjusted include pulling, improper vehicle handling, or unusual tire wear. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

362 Service and Maintenance Recommended Fluids, Lubricants, and Parts Recommended Fluids and Lubricants Usage Fluid/Lubricant Automatic Transmission DEXRON-VI Automatic Transmission Fluid. Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See Cooling System 0 275. Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil 0 269. Hood Latch Assembly, Secondary Lubriplate Lubricant Aerosol (GM Part No. 89021668, in Latch, Pivots, Spring Anchor, and Canada 89021674) or lubricant meeting requirements of NLGI #2, Release Pawl Category LB or GC-LB. Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 19353126, in Canada 19353127). Key Lock Cylinders, Hood and Door Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Hinges Canada 10953474). Weatherstrip Conditioning Weatherstrip lubricant (GM Part No. 3634770, in Canada 10953518) or equivalent. Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Service and Maintenance 363 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 23321606 A3212C Engine Oil Filter 2.0L L4 Engine 55495105 PF66 2.5L L4 Engine 12696048 PF64 3.6L V6 Engine 12693541 UPF63R Passenger Compartment Air Filter 13508023 CF185 Spark Plugs 2.0L L4 Engine 55504354 41–103–IP 2.5L L4 Engine 12627160 41-115 3.6L V6 Engine 12646780 41-130 Wiper Blades Driver Side – 60 cm (23.62 in) 84142870 — Passenger Side – 50 cm (19.68 in) 23360287 — Rear – 30 cm (11.81 in) 84215609 — GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

364 Service and Maintenance 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 Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Technical Data 365 Vehicle Identification parts. See “Engine Specifications” Technical Data under Capacities and Specifications 0 Vehicle Identification 366 for the vehicle's engine code. Vehicle Identification Number (VIN) Vehicle Identification Service Parts Number (VIN) ...... 365 Identification Service Parts Identification . . . 365 There may be a large barcode on Vehicle Data the certification label on the center Capacities and pillar that you can scan for the Specifications ...... 366 following information: Engine Drive Belt Routing . . . . 369 . Vehicle Identification This legal identifier is in the front Number (VIN) corner of the instrument panel, on . Model designation the driver side of the vehicle. It can . Paint information be seen through the windshield from outside. The Vehicle Identification . Production options Number (VIN) also appears on the If there is not a large barcode on Vehicle Certification and Service this label, then you will find this Parts labels and certificates of title same information on a label under and registration. the load floor, inside the cargo Engine Identification storage shelf unit. The eighth character in the VIN is the engine code. This code identifies the vehicle's engine, specifications, and replacement GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

366 Technical Data Vehicle Data Capacities and Specifications The following approximate capacities are given in metric and English conversions. See Recommended Fluids and Lubricants 0 362 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. Engine Cooling System* 2.0L L4 Engine 9.0 L 9.5 qt 2.0L L4 Engine with Rear HVAC 10.6 L 11.2 qt 2.5L L4 Engine 9.1 L 9.7 qt 2.5L L4 Engine with Rear HVAC 10.2 L 10.8 qt 3.6L V6 Engine 10.6 L 11.2 qt 3.6L V6 Engine with Rear HVAC 12.0 L 12.7 qt 3.6L V6 Engine with Heavy Duty Cooling System 10.0 L 10.6 qt 3.6L V6 Engine with Rear HVAC and Heavy Duty Cooling 12.2 L 12.9 qt System GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Technical Data 367

Capacities Application Metric English Engine Oil with Filter 2.0L L4 Engine 5.0 L 5.3 qt 2.5L L4 Engine (FWD) 4.7 L 5.0 qt 2.5L L4 Engine (AWD) 5.7 L 6.0 qt 3.6L V6 Engine 5.7 L 6.0 qt Fuel Tank Front-Wheel Drive 73.4 L 19.4 gal All-Wheel Drive 82.1 L 21.7 gal 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. *Engine cooling system capacity values are based on the entire cooling system and its components. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

368 Technical Data Engine Specifications Engine VIN Code Transmission Spark Plug Gap 2.0L L4 Engine (LSY) 4 Automatic 0.75–0.90 mm (0.030– 0.035 in) 2.5L L4 Engine (LCV) A Automatic 0.95–1.10 mm (0.037– 0.043 in) 3.6L V6 Engine (LGX) S Automatic 0.80–0.90 mm (0.031– 0.035 in) Spark plug gaps are preset by the manufacturer. Re-gapping the spark plug is not recommended and can damage the spark plug. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Technical Data 369 Engine Drive Belt Routing

3.6L V6 Engine 2.0L L4 Engine

2.5L L4 Engine GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

370 Customer Information Reporting Safety Defects Customer Information Customer Reporting Safety Defects to Information the United States Government ...... 380 Customer Satisfaction Reporting Safety Defects to Procedure Customer Information the Canadian Your satisfaction and goodwill are Customer Satisfaction Government ...... 381 important to your dealer and to Procedure ...... 370 Reporting Safety Defects to GMC. Normally, any concerns with Customer Assistance General Motors ...... 381 the sales transaction or the Offices ...... 372 Vehicle Data Recording and operation of the vehicle will be Customer Assistance for Text resolved by your dealer's sales or Telephone (TTY) Users . . . . . 373 Privacy Vehicle Data Recording and service departments. Sometimes, Online Owner Center ...... 373 however, despite the best intentions GM Mobility Reimbursement Privacy ...... 381 Cybersecurity ...... 382 of all concerned, misunderstandings Program ...... 373 can occur. If your concern has not Roadside Assistance Event Data Recorders ...... 382 OnStar ...... 383 been resolved to your satisfaction, Program ...... 374 the following steps should be taken: Scheduling Service Infotainment System ...... 383 Appointments ...... 375 STEP ONE : Discuss your concern Courtesy Transportation with a member of dealership Program ...... 376 management. Normally, concerns Collision Damage Repair . . . . . 377 can be quickly resolved at that level. Publication Ordering If the matter has already been Information ...... 379 reviewed with the sales, service, Radio Frequency or parts manager, contact the owner Statement ...... 380 of your dealership or the general manager. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Customer Information 371 STEP TWO : If after contacting a When contacting GMC, remember decision given in your case, you member of dealership management, that your concern will likely be may reject it and proceed with any it appears your concern cannot be resolved at a dealer's facility. That is other venue for relief available resolved by your dealership without why we suggest following Step One to you. further help, in the U.S., call first. You may contact the BBB Auto Line 1-800-462-8782. In Canada, call STEP THREE — U.S. Owners : Program using the toll-free General Motors of Canada Both General Motors and your telephone number or write them at Customer Care Centre at dealer are committed to making the following address: 1-800-263-3777 (English), sure you are completely satisfied or 1-800-263-7854 (French). BBB Auto Line Program with your new vehicle. However, BBB National Programs, Inc. We encourage you to call the if you continue to remain unsatisfied 3033 Wilson Blvd. toll-free number in order to give your after following the procedure Suite 600 inquiry prompt attention. Have the outlined in Steps One and Two, you Arlington, VA 22201 following information available to can file with the Better Business give the Customer Assistance Bureau (BBB) Auto Line Program to Telephone: 1-800-955-5100 representative: enforce your rights. http://www.bbb.org/council/ programs-services/ . Vehicle Identification The BBB Auto Line Program is an dispute-handling-and-resolution/ Number (VIN). This is available out-of-court program administered bbb-auto-line from the vehicle registration or by the BBB National Programs, Inc. title, or the plate at the top left of to settle automotive disputes This program is available in all the instrument panel and visible regarding vehicle repairs or the 50 states and the District of through the windshield. interpretation of the New Vehicle Columbia. Eligibility is limited by vehicle age, mileage, and other . Dealership name and location. Limited Warranty. Although you may be required to resort to this informal factors. General Motors reserves . Vehicle delivery date and dispute resolution program prior to the right to change eligibility present mileage. filing a court action, use of the limitations and/or discontinue its program is free of charge and your participation in this program. case will generally be heard within 40 days. If you do not agree with the GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

372 Customer Information STEP THREE — Canadian For further information concerning United States and Puerto Rico Owners : In the event that you do eligibility in the Canadian Motor GMC Customer Assistance Center not feel your concerns have been Vehicle Arbitration Plan (CAMVAP), P.O. Box 33172 addressed after following the call toll-free 1-800-207-0685, or call Detroit, MI 48232-5172 procedure outlined in Steps One the General Motors Customer Care and Two, General Motors of Canada Centre, 1-800-263-3777 (English), www.gmc.com Company wants you to be aware of 1-800-263-7854 (French), 1-800-GMC-8782 (1-800-462-8782) its participation in a no-charge or write to: 1-888-889-2438 (For Text Mediation/Arbitration Program. Mediation/Arbitration Program Telephone devices (TTYs)) General Motors of Canada c/o Customer Care Centre Roadside Assistance: Company has committed to binding General Motors of Canada 1-888-881-3302 arbitration of owner disputes Company From U.S. Virgin Islands: involving factory-related vehicle Mail Code: CA1-163-005 service claims. The program 1908 Colonel Sam Drive 1-800-496-9994 provides for the review of the facts Oshawa, Ontario L1H 8P7 involved by an impartial third party Canada Your inquiry should be accompanied arbiter, and may include an informal General Motors of Canada by the Vehicle Identification hearing before the arbiter. The Company Number (VIN). program is designed so that the Customer Care Centre, entire dispute settlement process, Mail Code: CA1-163-005 from the time you file your complaint Customer Assistance 1908 Colonel Sam Drive to the final decision, should be Offices Oshawa, Ontario L1H 8P7 completed in about 70 days. We www.gmc.ca believe our impartial program offers GMC encourages customers to call advantages over courts in most the toll-free number for assistance. 1-800-263-3777 (English) jurisdictions because it is informal, However, if a customer wishes to 1-800-263-7854 (French) quick, and free of charge. write or e-mail GMC, the letter 1-800-263-3830 (For Text should be addressed to: Telephone Devices (TTYs)) Roadside Assistance: 1-800-268-6800 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Customer Information 373 Overseas Membership Benefits See my.gmc.com to register your vehicle. Please contact the local General E : Download owner’s manuals Motors Business Unit. and view vehicle-specific how-to GMC Owner Centre (Canada) videos. mygmccanada.ca Customer Assistance for G : View maintenance schedules, Visit the GMC Owner Centre at Text Telephone (TTY) alerts, and Vehicle Diagnostic mygmccanada.ca (English) or Users Information. Schedule service my.gmccanada.ca (French) to appointments. access similar benefits to the To assist customers who are deaf, U.S. site. hard of hearing, or speech-impaired I : View and print dealer-recorded and who use Text Telephones service records and self-recorded (TTYs), GMC has TTY equipment service records. GM Mobility available at its Customer Assistance Reimbursement Program D : Select a dealer and view Center. Any TTY user in the U.S. locations, maps, phone numbers, can communicate with GMC by and hours. dialing: 1-888-889-2438. TTY users in Canada can dial 1-800-263-3830. r : Track your vehicle’s warranty information. Online Owner Center J : View active recalls by Vehicle Online Owner Experience Identification Number (VIN). See (U.S.) my.gmc.com Vehicle Identification Number (VIN) This program is available to 0 365. qualified applicants for cost The GMC online owner experience reimbursement, up to certain limits, allows access to videos, articles, H : Compare and shop for GMC of eligible aftermarket adaptive and vehicle health specific to your and OnStar plans and Services. equipment required for the vehicle, GMC as well as your OnStar View GM Card and SiriusXM such as hand controls or a Account information all in one place. information (if equipped). wheelchair/scooter lift for the F : Chat live with online help vehicle. representatives. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

374 Customer Information To learn about the GM Mobility . Your name, home address, and changes or discontinue the program, see www.gmmobility.com home telephone number Roadside Assistance program at or call the GM Mobility Assistance . Telephone number of your any time without notification. Center at 1-800-323-9935. Text location General Motors North America and Telephone (TTY) users, call . Location of the vehicle GMC reserve the right to limit 1-800-833-9935. services or payment to an owner or General Motors of Canada also has . Model, year, color, and license driver if they decide the claims are a Mobility program. See www.gm.ca plate number of the vehicle made too often, or the same type of or call 1-800-GM-DRIVE . Odometer reading, Vehicle claim is made many times. (800-463-7483) for details. TTY Identification Number (VIN), and Services Provided users call 1-800-263-3830. delivery date of the vehicle . Emergency Fuel Delivery: Roadside Assistance . Description of the problem Delivery of enough fuel for the Program Coverage vehicle to get to the nearest service station. For U.S.-purchased vehicles, call Services are provided for the Lock-Out Service: Service to 1-888-881-3302; (Text Telephone duration of the vehicle's powertrain . unlock the vehicle if you are (TTY): 1-888-889-2438). warranty. locked out. A remote unlock may For Canadian-purchased vehicles, In the U.S., anyone driving the be available if you have OnStar. call 1-800-268-6800. vehicle is covered. In Canada, a For security reasons, the driver person driving the vehicle without Service is available 24 hours a day, must present identification permission from the owner is not before this service is given. 365 days a year. covered. . Emergency Tow from a Public Calling for Assistance Roadside Assistance is not a part of Road or Highway: Tow to the When calling Roadside Assistance, the New Vehicle Limited Warranty. nearest GMC dealer for warranty have the following information General Motors North America and service, or if the vehicle was in a ready: GMC reserve the right to make any crash and cannot be driven. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Customer Information 375 Assistance is not given when the . Legal fines Once authorization has been vehicle is stuck in the sand, . Mounting, dismounting, received, the Roadside mud, or snow. or changing of snow tires, Assistance advisor will help to . Flat Tire Change: Service to chains, or other traction devices make arrangements and explain how to receive payment. change a flat tire with the spare Service is not provided if a vehicle tire. The spare tire, if equipped, is in an area that is not accessible . Alternative Service: If must be in good condition and to the service vehicle or is not a assistance cannot be provided properly inflated. It is the owner's regularly traveled or maintained right away, the Roadside responsibility for the repair or public road, which includes ice and Assistance advisor may give replacement of the tire if it is not winter roads. Off-road use is not permission to get local covered by the warranty. covered. emergency road service. You will . Battery Jump Start: Service to receive payment, up to $100, jump start a dead battery. Services Specific to after sending the original receipt Canadian-Purchased Vehicles to Roadside Assistance. . Trip Interruption Benefits and Mechanical failures may be Assistance: If your trip is . Fuel Delivery: Reimbursement covered, however any cost for interrupted due to a warranty is up to 7 L. Diesel fuel delivery parts and labor for repairs not event, incidental expenses may may be restricted. Propane and covered by the warranty are the be reimbursed within the other fuels are not provided owner’s responsibility. Powertrain warranty period. through this service. Items considered are reasonable . Lock-Out Service: Vehicle Scheduling Service and customary hotel, meals, registration is required. rental car, or a vehicle being Appointments . Trip Interruption Benefits and delivered back to the customer, When the vehicle requires warranty Assistance: Must be over up to 500 miles. service, contact your dealer and 150 km from where your trip was request an appointment. By Services Not Included in started to qualify. scheduling a service appointment Pre-authorization, original Roadside Assistance and advising the service consultant detailed receipts, and a copy of . Impound towing caused by the repair orders are required. violation of any laws GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

376 Customer Information of your transportation needs, your extended powertrain, and/or Public Transportation or Fuel dealer can help minimize your hybrid-specific warranties in both Reimbursement inconvenience. the U.S. and Canada. If overnight warranty repairs are If the vehicle cannot be scheduled Several Courtesy Transportation needed, and public transportation is into the service department options are available to assist in used, the expense must be immediately, keep driving it until it reducing inconvenience when supported by original receipts and can be scheduled for service, warranty repairs are required. within the maximum amount allowed unless, of course, the problem is Courtesy Transportation is not a by GM. If U.S. customers arrange safety related. If it is, please call part of the New Vehicle Limited their own transportation, limited your dealership, let them know this, Warranty. A separate manual reimbursement for reasonable fuel and ask for instructions. expenses may be available. Claim entitled “Limited Warranty and amounts should reflect actual costs If your dealer requests you to bring Owner Assistance Information” the vehicle for service, you are furnished with each new vehicle and be supported by original urged to do so as early in the work provides detailed warranty coverage receipts. See your dealer for day as possible to allow for information. information. same-day repair. Transportation Options Courtesy Rental Vehicle For an overnight warranty repair, the Warranty service can generally be Courtesy Transportation dealer may provide an available completed while you wait. However, Program courtesy rental vehicle or provide for if you are unable to do so, your reimbursement of a rental vehicle. To enhance your ownership dealer may offer the following Reimbursement is limited and must experience, we and our participating transportation options: dealers are proud to offer Courtesy be supported by original receipts as Transportation, a customer support Shuttle Service well as a signed and completed program for vehicles with the rental agreement and meet state/ This includes one-way or round-trip provincial, local, and rental vehicle Bumper-to-Bumper (Base Warranty shuttle service within reasonable Coverage period in Canada), provider requirements. time and distance parameters of Requirements vary and may include your dealer's area. minimum age requirements, insurance coverage, credit card, etc. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Customer Information 377 Additional fees such as fuel, rental equipment and quality replacement performance; however, the history of vehicle insurance, taxes, levies, parts. Poorly performed collision these parts is not known. Such parts usage fees, excessive mileage, repairs diminish the vehicle resale are not covered by the GM New or rental usage beyond the value, and safety performance can Vehicle Limited Warranty, and any completion of the repair are also be compromised in subsequent related failures are not covered by your responsibility. collisions. that warranty. It may not be possible to provide a Collision Parts Aftermarket collision parts are also like vehicle as a courtesy rental. available. These are made by Genuine GM Collision parts are new companies other than GM and may Additional Program parts made with the same materials not have been tested for the vehicle. Information and construction methods as the As a result, these parts may fit parts with which the vehicle was All program options, such as shuttle poorly, exhibit premature durability/ originally built. Genuine GM service, may not be available at corrosion problems, and may not Collision parts are the best choice to every dealer. Contact your dealer perform properly in subsequent ensure that the vehicle's designed for specific availability. collisions. Aftermarket parts are not appearance, durability, and safety covered by the GM New Vehicle General Motors reserves the right to are preserved. The use of Genuine Limited Warranty, and any vehicle unilaterally modify, change, GM parts can help maintain the GM failure related to such parts is not or discontinue Courtesy New Vehicle Limited Warranty. covered by that warranty. Transportation at any time and to Recycled original equipment parts resolve all questions of claim may also be used for repair. These Repair Facility eligibility pursuant to the terms and parts are typically removed from GM also recommends that you conditions described herein at its vehicles that were total losses in choose a collision repair facility that sole discretion. prior crashes. In most cases, the meets your needs before you ever parts being recycled are from need collision repairs. Your dealer Collision Damage Repair undamaged sections of the vehicle. may have a collision repair center If the vehicle is involved in a A recycled original equipment GM with GM-trained technicians and collision and it is damaged, have the part may be an acceptable choice to state-of-the-art equipment, or be damage repaired by a qualified maintain the vehicle's originally able to recommend a collision repair technician using the proper designed appearance and safety GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

378 Customer Information center that has GM-trained Manufacturer (OEM) parts or . Vehicle license plate number technicians and comparable Genuine Manufacturer replacement . Vehicle make, model, and equipment. parts. Read the lease carefully, as model year you may be charged at the end of Insuring the Vehicle the lease for poor quality repairs. . Vehicle Identification Protect your investment in the GM Number (VIN) If a Crash Occurs vehicle with comprehensive and . Insurance company and policy collision insurance coverage. There If there has been an injury, call number are significant differences in the emergency services for help. Do not quality of coverage afforded by leave the scene of a crash until all . General description of the various insurance policy terms. matters have been taken care of. damage to the other vehicle Many insurance policies provide Move the vehicle only if its position Choose a reputable repair facility reduced protection to the GM puts you in danger, or you are that uses quality replacement parts. vehicle by limiting compensation for instructed to move it by a police See “Collision Parts” earlier in this damage repairs through the use of officer. section. aftermarket collision parts. Some Give only the necessary information If the airbag has inflated, see What insurance companies will not to police and other parties involved Will You See after an Airbag specify aftermarket collision parts. in the crash. Inflates? 0 70. When purchasing insurance, we recommend that you ensure that the For emergency towing see Managing the Vehicle Damage vehicle will be repaired with GM Roadside Assistance Program Repair Process original equipment collision parts. 0 374. In the event that the vehicle requires If such insurance coverage is not Gather the following information: available from your current damage repairs, GM recommends insurance carrier, consider switching . Driver name, address, and that you take an active role in its to another insurance carrier. telephone number repair. If you have a pre-determined repair facility of choice, take the . Driver license number If the vehicle is leased, the leasing vehicle there, or have it towed there. company may require you to have . Owner name, address, and Specify to the facility that any insurance that ensures repairs with telephone number required replacement collision parts Genuine GM Original Equipment GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Customer Information 379 be original equipment parts, either Publication Ordering Current and Past Models new Genuine GM parts or recycled Service manuals and customer original GM parts. Remember, Information literature are available for many recycled parts will not be covered by Service Manuals current and past model year GM the GM vehicle warranty. Service manuals have the diagnosis vehicles. Insurance pays the bill for the repair, and repair information on the To order, call 1-800-551-4123 but you must live with the repair. engine, transmission, axle, Monday Friday, 8:00 a.m. 6:00 p.m. Depending on your policy limits, – – suspension, brakes, electrical eastern time your insurance company may system, steering system, body, etc. initially value the repair using For credit card orders only (VISA, aftermarket parts. Discuss this with Customer Literature MasterCard, or Discover), see the repair professional, and insist on Helm, Inc. at: www.helminc.com. Owner’s manuals are written Genuine GM parts. Remember, specifically for owners and are To order by mail, write to: if the vehicle is leased, you may be intended to provide basic obligated to have the vehicle Helm, Incorporated operational information about the Attention: Customer Service repaired with Genuine GM parts, vehicle. The owner s manual even if your insurance coverage ’ 47911 Halyard Drive includes the Maintenance Schedule Plymouth, MI 48170 does not pay the full cost. for all models. Make checks payable in U.S. funds. If another party's insurance Customer literature publications company is paying for the repairs, available for purchase include you are not obligated to accept a owner’s manuals, warranty repair valuation based on that manuals, infotainment manuals, and insurance company's collision policy portfolios. Portfolios include an repair limits, as you have no owner’s manual, warranty manual, contractual limits with that company. infotainment manual, if applicable, In such cases, you can have control and zip lock bag or pouch. of the repair and parts choices as long as the cost stays within reasonable limits. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

380 Customer Information Radio Frequency Reporting Safety and remedy campaign. Statement However, NHTSA cannot Defects become involved in individual This vehicle has systems that problems between you, your operate on a radio frequency that Reporting Safety Defects dealer, or General Motors. complies with Part 15/Part 18 of the Federal Communications to the United States To contact NHTSA, you may call Commission (FCC) rules and with Government the Vehicle Safety Hotline Innovation, Science and Economic If you believe that your vehicle toll-free at 1-888-327-4236 Development (ISED) Canada's (TTY: 1-800-424-9153); go to RSP-100 / ICES-GEN. has a defect which could cause a crash or could cause injury or http://www.safercar.gov; or Operation is subject to the following death, you should immediately write to: two conditions: inform the National Highway Administrator, NHTSA 1. The device may not cause Traffic Safety Administration 1200 New Jersey Avenue, S.E. harmful interference. (NHTSA) in addition to notifying Washington, D.C. 20590 2. The device must accept any General Motors. You can also obtain other interference received, including If NHTSA receives similar interference that may cause information about motor undesired operation of the complaints, it may open an vehicle safety from device. investigation, and if it finds that http://www.safercar.gov. a safety defect exists in a group Changes or modifications to any of of vehicles, it may order a recall these systems by other than an authorized service facility could void authorization to use this equipment. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Customer Information 381 Reporting Safety Defects Reporting Safety Defects Vehicle Data to the Canadian to General Motors Recording and Government In addition to notifying NHTSA (or Privacy If you live in Canada, and you Transport Canada) in a situation like this, notify General Motors. The vehicle has a number of believe that the vehicle has a computers that record information safety defect, notify Transport In the U.S., call 1-800-GMC-8782 (1-800-462-8782), or write: about the vehicle’s performance and Canada immediately, and notify how it is driven or used. For General Motors of Canada GMC Customer Assistance Center example, the vehicle uses computer Company. Call Transport P.O. Box 33172 modules to monitor and control Canada at 1-800-333-0510; Detroit, MI 48232-5172 engine and transmission go to: In Canada, call 1-800-263-3777 performance, to monitor the conditions for airbag deployment www.tc.gc.ca/recalls (English) (English) or 1-800-263-7854 (French), or write: and deploy them in a crash, and, www.tc.gc.ca/rappels (French) if equipped, to provide antilock General Motors of Canada braking to help the driver control the or write to: Company vehicle. These modules may store Transport Canada Customer Care Centre, data to help the dealer technician Motor Vehicle Safety Directorate Mail Code: CA1-163-005 service the vehicle or to help GM 1908 Colonel Sam Drive improve safety or features. Some Defect Investigations and Oshawa, Ontario L1H 8P7 Recalls Division modules may also store data about 80 Noel Street In Mexico, call 01-800-466-0812 or how the vehicle is operated, such as 01-800-466-0801. rate of fuel consumption or average Gatineau, QC J8Z 0A1 speed. These modules may retain In other Central America and personal preferences, such as radio Caribbean Countries, call presets, seat positions, and 52-55-5-901-23-69. temperature settings. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

382 Customer Information Cybersecurity untrusted networks (such as . Whether or not the driver and Bluetooth, WIFI or similar passenger safety belts were GM collects information about the technology). In the event you buckled/fastened; use of your vehicle including suspect any security incident . How far (if at all) the driver was operational and safety related impacting your data or the safe information. We collect this depressing the accelerator and/ operation of your vehicle, please or brake pedal; and, information to provide, evaluate, stop operating your vehicle and improve, and troubleshoot our contact your dealer. . How fast the vehicle was products and services and to traveling. develop new products and services. Event Data Recorders The protection of vehicle electronics These data can help provide a systems and customer data from This vehicle is equipped with an better understanding of the unauthorized outside electronic event data recorder (EDR). The circumstances in which crashes and access or control is important to main purpose of an EDR is to injuries occur. GM. GM maintains appropriate record, in certain crash or near Note security standards, practices, crash-like situations, such as an air EDR data are recorded by your guidelines and controls aimed at bag deployment or hitting a road vehicle only if a non-trivial crash defending the vehicle and the obstacle, data that will assist in situation occurs; no data are vehicle service ecosystem against understanding how a vehicle’s recorded by the EDR under normal unauthorized electronic access, systems performed. The EDR is driving conditions and no personal detecting possible malicious activity designed to record data related to data (e.g., name, gender, age, and in related networks, and responding vehicle dynamics and safety crash location) are recorded. to suspected cybersecurity incidents systems for a short period of time, However, other parties, such as law in a timely, coordinated and effective typically 30 seconds or less. The enforcement, could combine the manner. Security incidents could EDR in this vehicle is designed to EDR data with the type of impact your safety or compromise record such data as: personally identifying data routinely your private data. To minimize . How various systems in your acquired during a crash security risks, please do not connect vehicle were operating; investigation. your vehicle electronic systems to unauthorized devices or connect your vehicle to any unknown or GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Customer Information 383 To read data recorded by an EDR, OnStar special equipment is required, and access to the vehicle or the EDR is If the vehicle is equipped with needed. In addition to the vehicle OnStar and has an active service manufacturer, other parties, such as plan, additional data may be law enforcement, that have the collected and transmitted through special equipment, can read the the OnStar system. This includes information if they have access to information about the vehicle’s the vehicle or the EDR. operation; collisions involving the vehicle; the use of the vehicle and GM will not access these data or its features, including infotainment; share it with others except: with the and the location and approximate consent of the vehicle owner or, GPS speed of the vehicle. Refer to if the vehicle is leased, with the the OnStar Terms and Conditions consent of the lessee; in response and Privacy Statement on the to an official request by police or OnStar website. similar government office; as part of GM's defense of litigation through See OnStar Additional Information the discovery process; or, as 0 386. required by law. Data that GM collects or receives may also be Infotainment System used for GM research needs or may If the vehicle is equipped with a be made available to others for navigation system as part of the research purposes, where a need is infotainment system, use of the shown and the data is not tied to a system may result in the storage of specific vehicle or vehicle owner. destinations, addresses, telephone numbers, and other trip information. See the infotainment manual for information on stored data and for deletion instructions. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

384 OnStar OnStar Overview providers. OnStar may collect OnStar information about you and your vehicle, including location information. See OnStar User OnStar Overview Terms, Privacy Statement, and OnStar Overview ...... 384 Software Terms for more details OnStar Services including system limitations at Emergency ...... 385 www.onstar.com (U.S.) or Security ...... 386 www.onstar.ca (Canada). = OnStar Additional Information Voice Command Button The OnStar system status light is next to the OnStar buttons. If the OnStar Additional Q Blue OnStar Button status light is: Information ...... 386 > Red Emergency Button . Solid Green: System is ready. This vehicle may be equipped with a . Flashing Green: On a call. comprehensive, in-vehicle system . Red: Indicates a problem. that can connect to an OnStar Advisor for Emergency, Security, . Off: System is off. Press Q twice Navigation, Connections, and to speak with an OnStar Advisor. Diagnostics Services. OnStar services may require a paid service Press Q or call 1-888-4ONSTAR plan and data plan. OnStar requires (1-888-466-7827) to speak to an the vehicle battery and electrical Advisor. system, cellular service, and GPS Functionality of the Voice Command satellite signals to be available and button may vary by vehicle and operating. OnStar acts as a link to region. existing emergency service GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

OnStar 385 Press = to: . Receive a Diagnostic check of OnStar Services the vehicle's key operating . Open the OnStar app on the systems. infotainment display. See the Emergency infotainment manual for . Receive Roadside Assistance. Emergency Services require an information on how to use the . Manage Wi-Fi Settings, OnStar app. active safety and security plan. With if equipped. Automatic Crash Response, built-in Or Press > to get a priority connection sensors can automatically alert a . Give OnStar Turn-by-Turn to an OnStar Advisor available specially trained OnStar Advisor Navigation voice commands. 24/7 to: who is immediately connected in to the vehicle to help. . Obtain and customize the Wi-Fi . Get help for an emergency. Press > for a priority connection to hotspot name or SSID and Be a Good Samaritan or . an OnStar Advisor who can contact password, if equipped. respond to an AMBER Alert. emergency service providers, direct Press Q to connect to an . Get assistance in severe them to your exact location, and Advisor to: weather or other crisis situations relay important information. and find evacuation routes. . Verify account information or With OnStar Crisis Assist, specially update contact information. trained Advisors are available . Get driving directions. 24 hours a day, 7 days a week, to provide a central point of contact, assistance, and information during a crisis. With Roadside Assistance, Advisors can locate a nearby service provider to help with a flat tire, a battery jump, or an empty gas tank. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

386 OnStar Security OnStar Additional Reactivation for Subsequent Owners If equipped, OnStar provides these Information services: Press Q and follow the prompts to . With Stolen Vehicle Assistance, In-Vehicle Audio Messages speak to an Advisor as soon as OnStar Advisors can use GPS to Audio messages may play important possible. The Advisor will update pinpoint the vehicle and help information at the following times: vehicle records and explain OnStar authorities quickly recover it. or connected service options. . Prior to vehicle purchase. Press . With Remote Ignition Block, Q to set up an account. How OnStar Service Works if equipped, OnStar can block Automatic Crash Response, the engine from being restarted. . After change in ownership and at 90 days. Emergency Services, Crisis Assist, . With Stolen Vehicle Slowdown, Stolen Vehicle Assistance, Remote if equipped, OnStar can work Transferring Service Services, and Roadside Assistance with law enforcement to Q are available on most vehicles. Not gradually slow the vehicle down. Press to request account transfer all OnStar services are available eligibility information. The Advisor everywhere or on all vehicles. For Theft Alarm Notification can cancel or change account more information, a full description information. If equipped, if the doors are locked of OnStar services, system and the vehicle alarm sounds, a Selling/Transferring the limitations, and OnStar User Terms, notification by text, e-mail, or phone Vehicle Privacy Statement, and Software call will be sent. If the vehicle is Terms: Call 1-888-4ONSTAR stolen, an OnStar Advisor can work . Call 1-888-4ONSTAR (1-888-466-7827) immediately to with authorities to recover the (1-888-466-7827). vehicle. terminate your OnStar or connected services if the vehicle is disposed . See www.onstar.com (U.S.). of, sold, transferred, or if the . See www.onstar.ca (Canada). lease ends. . Call TTY 1-877-248-2080. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

OnStar 387 . Press Q to speak with an to the vehicle in a crash, or wireless access to all OnStar services, Advisor. phone network congestion or except Virtual Advisor and OnStar jamming — may prevent service. Turn-by-Turn Navigation. OnStar or connected services cannot work unless the vehicle is in See Radio Frequency Statement If equipped, TTY mode can be a place where OnStar has an 0 380. turned on or off by touching Settings, then Apps, and then agreement with a wireless service Services for People with provider for service in that area. The Phone. When TTY mode is on, wireless service provider must also Disabilities phone calls can be made or have coverage, network capacity, Advisors provide services to help received with OnStar using the reception, and technology with physical disabilities and infotainment display. compatible with OnStar or medical conditions. OnStar Personal Identification connected services. Service Q involving location information about Press to help: Number (PIN) the vehicle cannot work unless GPS . Locate a gas station with an A PIN is needed to access some signals are available, unobstructed, attendant to pump gas. OnStar services. The PIN will need and compatible with the OnStar to be changed the first time when . Find a hotel, restaurant, etc., hardware. OnStar or connected speaking with an Advisor. To that meets accessibility needs. services may not work if the OnStar change the OnStar PIN, contact an equipment is not properly installed . Provide directions to the closest OnStar Advisor by pressing Q or or it has not been properly hospital or pharmacy in urgent calling 1-888-4ONSTAR. maintained. If equipment or software situations. is added, connected, or modified, Warranty TTY Users OnStar or connected services may OnStar equipment may be not work. Other problems beyond OnStar has the ability to warranted as part of the vehicle the control of OnStar — such as communicate to deaf, warranty. hills, tall buildings, tunnels, weather, hard-of-hearing, or speech-impaired electrical system design and customers while in the vehicle. The architecture of the vehicle, damage available dealer-installed TTY system can provide in-vehicle GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

388 OnStar Languages call OnStar. However, OnStar may come on. Press Q to try the could have difficulty identifying The vehicle can be programmed to call again or try again after driving a the exact location. respond in multiple languages. few miles into another cellular area. Press Q and ask for an Advisor. . In emergency situations, OnStar Vehicle and Power Issues Advisors are available in English, can use the last stored GPS Spanish, and French. Available location to send to emergency OnStar services require a vehicle languages may vary by country. responders. electrical system, wireless service, and GPS satellite technologies to be A temporary loss of GPS can cause available and operating for features Potential Issues loss of the ability to send a to function properly. These systems OnStar cannot perform Remote Turn-by-Turn Navigation route. The may not operate if the battery is Door Unlock or Stolen Vehicle Advisor may give a verbal route or discharged or disconnected. Assistance after the vehicle has may ask for a call back after the been off continuously for 10 days vehicle is driven into an open area. Add-on Electrical Equipment without an ignition cycle. If the vehicle has not been started for Cellular and GPS Antennas The OnStar system is integrated 10 days, OnStar can contact into the electrical architecture of the Cellular reception is required for vehicle. Do not add any electrical Roadside Assistance or a locksmith OnStar to send remote signals to equipment. See Add-On Electrical to help gain access to the vehicle. the vehicle. Do not place items over Equipment 0 258. Added electrical or near the antenna to prevent equipment may interfere with the Global Positioning blocking cellular and GPS signal operation of the OnStar system and System (GPS) reception. cause it to not operate. . Obstruction of the GPS can occur in a large city with tall Unable to Connect to OnStar Vehicle Software Updates buildings; in parking garages; Message OnStar or GM may remotely deliver around airports; in tunnels and If there is limited cellular coverage software updates or changes to the underpasses; or in an area with or the cellular network has reached vehicle without further notice or very dense trees. If GPS signals maximum capacity, this message consent. These updates or changes are not available, the OnStar may enhance or maintain safety, system should still operate to security, or the operation of the GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

OnStar 389 vehicle or the vehicle systems. Privacy period of three years after our last Software updates or changes may shipment of this product. This offer The complete OnStar Privacy affect or erase data or settings that is valid to anyone in receipt of this Statement may be found at are stored in the vehicle, such as information. www.onstar.com (U.S.), saved navigation destinations or or www.onstar.ca (Canada). We *Provided through LG Electronics pre-set radio stations. Neither recommend that you review it. If you Inc., who is solely responsible for OnStar nor GM is responsible for have any questions, call provisions of related OSS any affected or erased data or 1-888-4ONSTAR (1-888-466-7827) compliance. settings. These updates or changes may also collect personal or press Q to speak with an information. Such collection is Advisor. Users of wireless described in the OnStar privacy communications are cautioned that statement or separately disclosed at the privacy of any information sent the time of installation. These via wireless cellular communications updates or changes may also cause cannot be assured. Third parties a system to automatically may unlawfully intercept or access communicate with GM servers to transmissions and private collect information about vehicle communications without consent. system status, identify whether OnStar - Software updates or changes are available, Acknowledgements or deliver updates or changes. An active OnStar agreement constitutes To obtain the source code under consent to these software updates GPL, LGPL, MPL, and other open or changes and agreement that source licenses, that is contained in either OnStar or GM may remotely this product, please visit http:// deliver them to the vehicle. opensource.lge.com. In addition to the source code, all referred license terms, warranty disclaimers, and copyright notices are available for download. This offer is valid for a GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

390 Connected Services Connected Connected Services Cancel Route 1. Press =. System responds: Services Navigation “OnStar ready,” then a tone. Navigation requires a specific 2. Say “Cancel route.” System Connected Services OnStar or connected service plan. responds: “Do you want to cancel directions?” Navigation ...... 390 Press Q to receive Turn-by-Turn Connections ...... 391 directions or have them sent to the 3. Say “Yes.” System responds: Diagnostics ...... 392 vehicle’s navigation screen, “OK, request completed, thank if equipped. you, goodbye.” Turn-by-Turn Navigation Route Preview = 1. Press Q to connect to an 1. Press . System responds: Advisor. “OnStar ready,” then a tone. 2. Request directions to be 2. Say “Route preview.” System downloaded to the vehicle. responds with the next three maneuvers. 3. Follow the voice-guided commands. Repeat Using Voice Commands 1. Press =. System responds: During a Planned Route “OnStar ready,” then a tone. 2. Say Repeat. System Functionality of the Voice Command “ ” responds with the last direction button, if equipped, may vary by given, then responds with vehicle and region. For some “OnStar ready,” then a tone. vehicles, press = to open the OnStar app on the infotainment display. For other vehicles press = as follows. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

Connected Services 391 Get My Destination Connections devices can be connected. A data = plan is required. Use the in-vehicle 1. Press . System responds: The following services help with controls only when it is safe to “OnStar ready,” then a tone. staying connected. do so. 2. Say “Get my destination.” For coverage maps, see 1. To retrieve Wi-Fi hotspot System responds with the www.onstar.com (U.S.) or information, press = to open address and distance to the www.onstar.ca (Canada). destination, then responds with the OnStar app on the infotainment display, then “OnStar ready,” then a tone. Ensuring Security select Wi-Fi Hotspot. On some Change the default passwords Send Destination to Vehicle . vehicles, touch Wi-Fi or Wi-Fi for the Wi-Fi hotspot and Settings on the screen. Directions can be sent to the myGMC mobile application. vehicle’s navigation screen, Make these passwords different 2. The Wi-Fi settings will display if equipped. from each other and use a the Wi-Fi hotspot name (SSID), combination of letters and password, and on some Press Q, then ask the Advisor to numbers to increase the vehicles, the connection type download directions to the vehicle s ’ security. (no Internet connection, 3G, navigation system, if equipped. After 4G, 4G LTE), and signal quality Change the default name of the the call ends, the navigation screen . (poor, good, excellent). will provide prompts to begin driving SSID (Service Set Identifier). directions. Routes that are sent to This is your network’s name that 3. To change the SSID or the navigation screen can only be is visible to other wireless password, press Q or call canceled through the navigation devices. Choose a unique name 1-888-4ONSTAR to connect system. and avoid family names or with an Advisor. On some vehicle descriptions. See www.onstar.com (U.S.) or vehicles, the SSID and password can be changed in www.onstar.ca (Canada). Wi-Fi Hotspot (If Equipped) the Wi-Fi Hotspot menu. The vehicle may have a built-in After initial set-up, your vehicle s Wi-Fi hotspot that provides access ’ Wi-Fi hotspot will connect to the Internet and web content at automatically to your mobile 4G LTE speed. Up to seven mobile GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/ Mexico-13687875) - 2020 - CRC - 10/28/19

392 Connected Services devices. Manage data usage by . Turn the vehicle's Wi-Fi hotspot Marketplace turning Wi-Fi on or off on your on/off, manage settings, and OnStar Advisors can provide offers mobile device, using the myGMC monitor data consumption, from restaurants and retailers on mobile app, or by contacting an if equipped. your route, help locate hotels, OnStar Advisor. On some vehicles, . Locate a dealer and schedule or book a room. These services Wi-Fi can also be managed from the service. vary by market. Wi-Fi Hotspot menu. . Request roadside assistance. MyGMC Mobile App (If Available) Diagnostics . Set a parking reminder with pin Download the myGMC mobile app drop, take a photo, make a note, By monitoring and reporting on the to compatible Apple and Android and set a timer. vehicle's key systems, OnStar smartphones. GMC users can Advanced Diagnostics, if equipped, . Connect with GMC on social access the following services from a provides a way to keep up on media. smartphone: maintenance. Capabilities vary by . Remotely start/stop the vehicle, Features are subject to change. For model. See www.onstar.com for if factory-equipped. myGMC mobile app information and details and system limitations. compatibility, see my.gmc.com. Features are subject to change. For . Lock/unlock doors, if equipped updates on feature capabilities, see with automatic locks. An active OnStar or connected service plan may be required. my.gmc.com. Message and data . Activate the horn and lamps. A compatible device, rates may apply. . Check the vehicle’s fuel level, oil factory-installed remote start, and life, or tire pressure, power locks are required. Data rates if factory-equipped with the Tire apply. See www.onstar.com for Pressure Monitor System. details and system limitations. . Send destinations to the vehicle. Remote Services . Locate the vehicle on a map Contact an OnStar Advisor to (U.S. market only). unlock the doors or sound the horn and flash the lamps. GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/- Mexico-13687875) - 2020 - CRC - 10/28/19

Index 393 Index A Airbag System (cont'd) Accessories and What Will You See after an Modifications ...... 261 Airbag Inflates? ...... 70 Accessory Power ...... 196 When Should an Airbag Active Fuel Management ...... 199 Inflate? ...... 68 Adaptive Cruise Control ...... 216 Where Are the Airbags? ...... 66 Add-On Electrical Equipment . . . 258 Airbags Additional Information Adding Equipment to the OnStar ...... 386 Vehicle ...... 76 Additional Maintenance Passenger Status Indicator . . . 126 and Care ...... 359 Readiness Light ...... 126 Adjustments Servicing Airbag-Equipped Lumbar, Front Seats ...... 45 Vehicles ...... 75 Air Cleaner/Filter, Engine ...... 273 System Check ...... 64 Air Conditioning ...... 165, 169 Alarm Air Filter Vehicle Security ...... 29 Life System ...... 273 Alert Air Filter, Passenger Lane Change ...... 238 Compartment ...... 172 Side Blind Zone (SBZA) ...... 238 Air Vents ...... 171 All-Season Tires ...... 298 Airbag System All-Wheel Drive ...... 206, 284 Check ...... 77 Antilock Brake System (ABS) . . . 206 How Does an Airbag Warning Light ...... 130 Restrain? ...... 69 Appearance Care Passenger Sensing System . . . .71 Exterior ...... 342 What Makes an Airbag Interior ...... 346 Inflate? ...... 69 Armrest Storage ...... 99 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/- Mexico-13687875) - 2020 - CRC - 10/28/19

394 Index Assistance Program, Brake California Roadside ...... 374 Electric Boost ...... 206 Proposition Assistance Systems for Parking, Electric ...... 207 65 Warning ...... 260,283, 335, Driving ...... 231 System Warning Light ...... 129 Back Cover Assistance Systems for Brakes ...... 281 Canadian Vehicle Owners ...... 2 Parking and Backing ...... 227 Antilock ...... 206 Capacities and Auto Stop Assist ...... 208 Specifications ...... 366 Stop/Start System ...... 193 Fluid ...... 282 Carbon Monoxide Automatic Braking ...... 176 Engine Exhaust ...... 200 Dimming Mirrors ...... 33 Automatic Liftgate ...... 21 Door Locks ...... 19 Emergency (AEB) ...... 234 Winter Driving ...... 184 Emergency Braking (AEB) . . . . 234 Braking System Cargo Headlamp System ...... 158 Front Pedestrian (FPB) ...... 236 Cover ...... 100 Transmission ...... 201 Break-In, New Vehicle ...... 190 Management System ...... 101 Transmission Fluid ...... 272 Bulb Replacement Tie-Downs ...... 100 Automatic Transmission Halogen Bulbs ...... 288 Caution, Danger, and Warning . . . . 3 Manual Mode ...... 205 Headlamp Aiming ...... 288 Center Console Storage ...... 99 B Headlamps ...... 288 Chains, Tire ...... 318 Buying New Tires ...... 314 Charging Battery Wireless ...... 112 Exterior Lighting Battery C Charging System Light ...... 127 Saver ...... 163 Calibration ...... 110 Check Load Management ...... 162 California Engine Light (Malfunction Power Protection ...... 162 Perchlorate Materials Indicator) ...... 127 Battery - North America . . . .283, 335 Requirements ...... 261 Child Restraints Blade Replacement, Wiper . . . . . 285 Infants and Young Children . . . . .79 Lower Anchors and Tethers for Children ...... 85 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/- Mexico-13687875) - 2020 - CRC - 10/28/19

Index 395 Child Restraints (cont'd) Control (cont'd) Customer Satisfaction Older Children ...... 77 Traction and Electronic Procedure ...... 370 Securing ...... 93, 95 Stability ...... 209 Cybersecurity ...... 382 Systems ...... 81 Control Light D Circuit Breakers ...... 289 Hill Descent ...... 131 Damage Repair, Collision ...... 377 Cleaning Control of a Vehicle ...... 176 Danger, Warning, and Caution . . . . 3 Exterior Care ...... 342 Convex Mirrors ...... 31 Data Collection Interior Care ...... 346 Coolant Infotainment System ...... 383 Climate Control Systems Engine Temperature Gauge . . 123 OnStar ...... 383 Dual Automatic ...... 165 Engine Temperature Data Recorders, Event ...... 382 Rear ...... 169 Warning Light ...... 133 Daytime Running Clock ...... 110 Cooling ...... 165, 169 Lamps (DRL) ...... 157 Cluster, Instrument ...... 115, 119 Cooling System ...... 275 Defensive Driving ...... 175 Collision Damage Repair ...... 377 Courtesy Lamps ...... 160 Delayed Locking ...... 19 Compact Spare Tire ...... 334 Courtesy Transportation Diagnostics Compartments Program ...... 376 Connected Services ...... 392 Storage ...... 98 Cover Distracted Driving ...... 174 Compass ...... 110 Cargo ...... 100 Dome Lamps ...... 160 Compressor Kit, Tire Sealant . . . 321 Cruise Control ...... 214 Door Connected Services Light ...... 136 Ajar Light ...... 136 Connections ...... 391 Cruise Control, Adaptive ...... 216 Delayed Locking ...... 19 Diagnostics ...... 392 Customer Assistance ...... 373 Locks ...... 17 Navigation ...... 390 Offices ...... 372 Power Locks ...... 19 Connections Text Telephone (TTY) Drive Belt Routing, Engine ...... 369 Connected Services ...... 391 Users ...... 373 Drive Systems Control Customer Information All-Wheel Drive ...... 206, 284 Hill Descent ...... 211 Publications Ordering Driver Assistance Systems . . . . . 225 Information ...... 379 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/- Mexico-13687875) - 2020 - CRC - 10/28/19

396 Index Driver Information Electrical System Engine (cont'd) Center (DIC) ...... 137, 139 Engine Compartment Fuse Running While Parked ...... 201 Driver Mode Control ...... 212 Block ...... 290 Starting ...... 192 Driving Fuses and Circuit Breakers . . . 289 Engine Air Filter Life System . . . . 273 Assistance Systems ...... 231 Instrument Panel Fuse Engine Oil Better Fuel Economy ...... 174 Block ...... 293 Temperature Gauge ...... 123 Characteristics and Overload ...... 289 Entry Lighting ...... 161 Towing Tips ...... 246 Rear Compartment Fuse Equipment, Towing ...... 253 Defensive ...... 175 Block ...... 295 Event Data Recorders ...... 382 Drunk ...... 175 Emergency Exit Lighting ...... 161 Hill and Mountain Roads ...... 183 OnStar ...... 385 Extended Parking ...... 200 If the Vehicle is Stuck ...... 185 Engine Extender, Seat Belt ...... 63 Loss of Control ...... 177 Air Cleaner/Filter ...... 273 Exterior Lamp Controls ...... 155 Off-Road ...... 178 Check Light (Malfunction Exterior Lamps Off Reminder . . . 157 Off-Road Recovery ...... 177 Indicator) ...... 127 Exterior Lighting Battery Vehicle Load Limits ...... 186 Compartment Overview ...... 264 Saver ...... 163 Wet Roads ...... 182 Coolant Temperature F Winter ...... 184 Gauge ...... 123 Filter, Dual Automatic Climate Coolant Temperature Engine Air Cleaner ...... 273 Control System ...... 165 Warning Light ...... 133 Flash-to-Pass ...... 157 Cooling System ...... 275 E Flashers, Hazard Warning ...... 159 Drive Belt Routing ...... 369 Electric Brake Boost ...... 206 Flat Tire ...... 319 Exhaust ...... 200 Electric Parking Brake ...... 207 Changing ...... 328 Heater ...... 194 Electric Parking Brake Light . . . . 130 Floor Mats ...... 350 Oil Life System ...... 271 Electrical Equipment, Fluid Oil Pressure Light ...... 134 Add-On ...... 258 Automatic Transmission ...... 272 Overheating ...... 279 Brakes ...... 282 Power Messages ...... 146 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/- Mexico-13687875) - 2020 - CRC - 10/28/19

Index 397 Fluid (cont'd) Fuses General Information (cont'd) Washer ...... 281 Engine Compartment Fuse Towing ...... 246 Fog Lamps ...... 159 Block ...... 290 Vehicle Care ...... 260 Folding Mirrors ...... 32 Fuses and Circuit Breakers . . . 289 Glove Box ...... 98 Forward Collision Alert Instrument Panel Fuse GM Mobility Reimbursement (FCA) System ...... 231 Block ...... 293 Program ...... 373 Frequency Statement Rear Compartment Fuse H Radio ...... 380 Block ...... 295 Halogen Bulbs ...... 288 Front Fog Lamp G Hazard Warning Flashers ...... 159 Light ...... 136 Garage Door Opener ...... 151 Head Restraints ...... 42 Front Pedestrian Braking Programming ...... 151 Head-up Display ...... 142 (FPB) System ...... 236 Gas Strut(s) ...... 286 Headlamps Front Seats Gauges Aiming ...... 288 Adjustment ...... 43 Engine Coolant Automatic ...... 158 Heated and Ventilated ...... 49 Temperature ...... 123 Bulb Replacement ...... 288 Fuel Engine Oil Temperature...... 123 Daytime Running Additives ...... 243 Fuel ...... 122 Lamps (DRL) ...... 157 Economy, Driving for Better . . . 174 Odometer ...... 121 Flash-to-Pass ...... 157 Filling a Portable Fuel Speedometer ...... 121 High-Beam On Light ...... 135 Container ...... 245 Tachometer ...... 121 High/Low Beam Changer . . . . . 157 Filling the Tank ...... 243 Trip Odometer ...... 121 Lamps On Reminder ...... 136 Foreign Countries ...... 243 Voltmeter ...... 124 Heated Gauge ...... 122 Warning Lights and Rear Seats ...... 54 Low Fuel Warning Light ...... 135 Indicators ...... 114 Steering Wheel ...... 107 Management, Active ...... 199 Gear Shifting Light ...... 131 Heated and Ventilated Front Prohibited Fuels ...... 243 General Information Seats ...... 49 Recommended ...... 242 Service and Maintenance . . . . . 351 Heated Mirrors ...... 33 Top Tier ...... 242 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/- Mexico-13687875) - 2020 - CRC - 10/28/19

398 Index Heater Instrument Panel Overview ...... 5 Lane Change Alert (LCA) ...... 238 Engine ...... 194 Interior Rearview Mirrors ...... 33 Lane Keep Assist (LKA) ...... 240 Heating ...... 165, 169 Introduction ...... 2 Lane Keep Assist Light ...... 131 High-Beam On Light ...... 135 J Lap-Shoulder Belt ...... 59 High-Speed Operation ...... 306 LATCH System Jump Starting - North Hill and Mountain Roads ...... 183 Replacing Parts after a America ...... 335 Hill Descent Control (HDC) . . . . . 211 Crash ...... 92 Hill Descent Control Light ...... 131 K LATCH, Lower Anchors and Hill Start Assist (HSA) ...... 209 Keyless Entry Tethers for Children ...... 85 Hood ...... 262 Remote (RKE) System ...... 8 LED Lighting ...... 288 Horn ...... 107 Keys ...... 7 Liftgate ...... 21 How to Wear Seat Belts L Lighting Properly ...... 57 Labeling, Tire Sidewall ...... 300 Entry ...... 161 HVAC ...... 165, 169 Lamps Exit ...... 161 I Courtesy ...... 160 Illumination Control ...... 160 LED ...... 288 Ignition Positions ...... 190 Daytime Running (DRL) ...... 157 Lights Immobilizer ...... 30 Dome ...... 160 Airbag Readiness ...... 126 Indicator Exterior Controls ...... 155 Antilock Brake System Pedestrian Ahead ...... 132 Exterior Lamps Off (ABS) Warning ...... 130 Vehicle Ahead ...... 132 Reminder ...... 157 Brake System Warning ...... 129 Infants and Young Children, Exterior Lighting Battery Charging System ...... 127 Restraints ...... 79 Saver ...... 163 Check Engine (Malfunction Information Malfunction Indicator Indicator) ...... 127 Publication Ordering ...... 379 (Check Engine) ...... 127 Cruise Control ...... 136 Infotainment ...... 164 On Reminder ...... 136 Door Ajar ...... 136 Infotainment System ...... 383 Reading ...... 161 Electric Parking Brake ...... 130 Instrument Cluster ...... 115, 119 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/- Mexico-13687875) - 2020 - CRC - 10/28/19

Index 399 Lights (cont'd) Locks (cont'd) Mirrors Engine Coolant Safety ...... 20 Automatic Dimming ...... 33 Temperature Warning ...... 133 Loss of Control ...... 177 Automatic Dimming Engine Oil Pressure ...... 134 Low Fuel Warning Light ...... 135 Rearview ...... 33 Flash-to-Pass ...... 157 Lower Anchors and Tethers Convex ...... 31 Front Fog Lamp ...... 136 for Children (LATCH Folding ...... 32 Gear Shifting ...... 131 System) ...... 85 Heated ...... 33 High-Beam On ...... 135 Lumbar Adjustment ...... 45 Manual Rearview ...... 33 High/Low Beam Changer . . . . . 157 Front Seats ...... 45 Power ...... 31 Hill Descent Control ...... 131 M Tilt in Reverse ...... 33 Lane Keep Assist ...... 131 Mirrors, Interior Rearview ...... 33 Maintenance Low Fuel Warning ...... 135 Mode ...... 212 Records ...... 364 Seat Belt Reminders ...... 125 Driver Control ...... 212 Maintenance and Care Security ...... 135 Monitor System, Tire Additional ...... 359 Service Electric Parking Pressure ...... 307 Maintenance Schedule ...... 353 Brake ...... 130 Recommended Fluids and N StabiliTrak OFF ...... 133 Lubricants ...... 362 Navigation Tire Pressure ...... 134 Malfunction Indicator Lamp . . . . . 127 Connected Services ...... 390 Tow/Haul Mode ...... 131 Manual Mode ...... 205 New Vehicle Break-In ...... 190 Traction Control System Memory Seats ...... 46 (TCS)/StabiliTrak ...... 133 O Messages Traction Off ...... 132 Odometer ...... 121 Engine Power ...... 146 Locks Trip ...... 121 Vehicle ...... 145 Automatic Door ...... 19 Off-Road ...... 178 Vehicle Speed ...... 146 Delayed Locking ...... 19 Driving ...... 178 Mirror Door ...... 17 Recovery ...... 177 Rear Camera ...... 34 Lockout Protection ...... 20 Oil Power Door ...... 19 Engine ...... 269 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/- Mexico-13687875) - 2020 - CRC - 10/28/19

400 Index Oil (cont'd) Parking or Backing Proposition Engine Oil Life System ...... 271 Assistance Systems ...... 227 65 Warning, Pressure Light ...... 134 Passenger Airbag Status California ...... 260,283, 335, Older Children, Restraints ...... 77 Indicator ...... 126 Back Cover Online Owner Center ...... 373 Passenger Compartment Air Publication Ordering OnStar ...... 383 Filter ...... 172 Information ...... 379 OnStar Additional Passenger Sensing System . . . . . 71 R Information ...... 386 Pedestrian Ahead Indicator . . . . . 132 Radio Frequency Statement . . . . 380 OnStar Emergency ...... 385 Perchlorate Materials Reading Lamps ...... 161 OnStar Overview ...... 384 Requirements, California ...... 261 Rear Camera Mirror ...... 34 OnStar Security ...... 386 Personalization Rear Climate Control System . . . 169 Operation Vehicle ...... 146 Rear Seats ...... 51 Fog Lamps ...... 159 Power Heated ...... 54 Outlets Door Locks ...... 19 Rear Storage ...... 99 Power ...... 110 Mirrors ...... 31 Rear Vision Camera (RVC) . . . . . 227 Overheating, Engine ...... 279 Outlets ...... 110 Rear Window Washer/Wiper . . . . 109 Overview Protection, Battery ...... 162 Rearview Mirrors ...... 33 Instrument Panel ...... 5 Retained Accessory (RAP) . . . 196 Automatic Dimming ...... 33 Seat Adjustment ...... 44 P Reclining Seatbacks ...... 45 Windows ...... 36 Park Recommended Pregnancy, Using Seat Belts . . . . 62 Shifting Out of ...... 198 Fuel ...... 242 Privacy Park Assist ...... 227 Recommended Fluids and Vehicle Data Recording ...... 381 Parking Lubricants ...... 362 Program Brake and P (Park) Records Courtesy Transportation ...... 376 Mechanism Check ...... 285 Maintenance ...... 364 Prohibited Fuels ...... 243 Extended ...... 200 Recreational Vehicle Towing . . . . 339 Over Things That Burn ...... 199 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/- Mexico-13687875) - 2020 - CRC - 10/28/19

Index 401 Reimbursement Program, Roof Rack System ...... 104 Seats (cont'd) GM Mobility ...... 373 Rotation, Tires ...... 312 Heated, Rear ...... 54 Remote Keyless Entry (RKE) Routing, Engine Drive Belt ...... 369 Lumbar Adjustment, Front ...... 45 System ...... 8 Running the Vehicle While Memory ...... 46 Remote Vehicle Start ...... 15 Parked ...... 201 Power Adjustment, Front ...... 44 Rear ...... 51 Replacement Parts S Airbags ...... 77 Reclining Seatbacks ...... 45 Safety Defects Reporting Maintenance ...... 363 Third Row Seat ...... 55 Canadian Government ...... 381 Replacing Airbag System ...... 77 Securing Child Restraints . . . . 93, 95 General Motors ...... 381 Replacing LATCH System Security U.S. Government ...... 380 Parts after a Crash ...... 92 Light ...... 135 Safety Locks ...... 20 Replacing Seat Belt System OnStar ...... 386 Safety System Check ...... 63 Parts after a Crash ...... 64 Vehicle ...... 29 Scheduling Appointments ...... 375 Reporting Safety Defects Vehicle Alarm ...... 29 Sealant Kit, Tire ...... 321 Canadian Government ...... 381 Service ...... 172 Seat Belts ...... 56 General Motors ...... 381 Accessories and Care ...... 63 U.S. Government ...... 380 Modifications ...... 261 Extender ...... 63 Restraints Doing Your Own Work ...... 261 How to Wear Seat Belts Where to Put ...... 83 Maintenance Records ...... 364 Properly ...... 57 Retained Accessory Maintenance, General Lap-Shoulder Belt ...... 59 Power (RAP) ...... 196 Information ...... 351 Reminders ...... 125 Reverse Tilt Mirrors ...... 33 Parts Identification ...... 365 Replacing after a Crash ...... 64 Roads Scheduling Appointments . . . . . 375 Use During Pregnancy ...... 62 Driving, Wet ...... 182 Service Electric Parking Seats Roadside Assistance Brake Light ...... 130 Adjustment, Front ...... 43 Program ...... 374 Services Head Restraints ...... 42 Roof Special Application ...... 358 Heated and Ventilated Front . . . .49 Sunroof ...... 38 Servicing the Airbag ...... 75 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/- Mexico-13687875) - 2020 - CRC - 10/28/19

402 Index Shifting Storage Areas (cont'd) T Into Park ...... 197 Cargo Management Tachometer ...... 121 Out of Park ...... 198 System ...... 101 Text Telephone (TTY) Users . . . . 373 Side Blind Zone Alert (SBZA) . . . 238 Center Console ...... 99 Theft-Deterrent Systems ...... 30 Signals, Turn and Glove Box ...... 98 Immobilizer ...... 30 Lane-Change ...... 159 Roof Rack System ...... 104 Third-Row Seats ...... 55 Spare Tire Sunglasses ...... 98 Time ...... 110 Compact ...... 334 Storage Compartments ...... 98 Tires ...... 297 Special Application Services . . . . 358 Storing the Tire Sealant and All-Season ...... 298 Specifications and Compressor Kit ...... 327 Buying New Tires ...... 314 Capacities ...... 366 Struts Chains ...... 318 Speedometer ...... 121 Gas ...... 286 Changing ...... 328 StabiliTrak Stuck Vehicle ...... 185 Compact Spare ...... 334 OFF Light ...... 133 Summer Tires ...... 299 Designations ...... 302 Start Assist, Hill ...... 209 Sun Visors ...... 38 Different Size ...... 315 Start Vehicle, Remote ...... 15 Sunglass Storage ...... 98 If a Tire Goes Flat ...... 319 Starter Switch Check ...... 284 Sunroof ...... 38 Inspection ...... 312 Starting the Engine ...... 192 Symbols ...... 3 Pressure ...... 305, 306 Steering ...... 176 System Pressure Light ...... 134 Heated Wheel ...... 107 Engine Air Filter Life ...... 273 Pressure Monitor Operation . . 308 Wheel Adjustment ...... 106 Forward Collision Pressure Monitor System . . . . . 307 Wheel Controls ...... 107 Alert (FCA) ...... 231 Rotation ...... 312 Stop/Start System ...... 193 Infotainment ...... 164, 383 Sealant and Storage Roof Rack ...... 104 Compressor Kit ...... 321 Rear ...... 99 Systems Sealant and Compressor Storage Areas Driver Assistance ...... 225 Kit, Storing ...... 327 Armrest ...... 99 Sidewall Labeling ...... 300 Cargo Cover ...... 100 Terminology and Definitions . . 302 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/- Mexico-13687875) - 2020 - CRC - 10/28/19

Index 403 Tires (cont'd) Trailer (cont'd) Vehicle (cont'd) Uniform Tire Quality Towing ...... 250 Speed Messages ...... 146 Grading ...... 316 Transmission Towing ...... 338 Wheel Alignment and Tire Automatic ...... 201 Vehicle Ahead Indicator ...... 132 Balance ...... 317 Fluid, Automatic ...... 272 Vehicle Care Wheel Replacement ...... 318 Transportation Program, Storing the Tire Sealant When It Is Time for New Courtesy ...... 376 and Compressor Kit ...... 327 Tires ...... 313 Trip Odometer ...... 121 Tire Pressure ...... 305 Winter ...... 299 Turn and Lane-Change Vehicle Data Recording and Top Tier Fuel ...... 242 Signals ...... 159 Privacy ...... 381 Tow/Haul Mode ...... 206 U Ventilation, Air ...... 171 Tow/Haul Mode Light ...... 131 Visors ...... 38 Uniform Tire Quality Grading . . . 316 Towing Voltmeter Gauge ...... 124 Universal Remote System ...... 151 Driving Characteristics ...... 246 Operation ...... 154 W Equipment ...... 253 Programming ...... 151 Warning General Information ...... 246 Using This Manual ...... 2 Brake System Light ...... 129 Recreational Vehicle ...... 339 Caution and Danger ...... 3 Trailer ...... 250 V Warning Lights, Gauges, and Trailer Sway Control (TSC) . . . 256 Vehicle Indicators ...... 114 Vehicle ...... 338 Alarm System ...... 29 Warnings Traction Canadian Owners ...... 2 Hazard Flashers ...... 159 Control System Control ...... 176 Washer Fluid ...... 281 (TCS)/StabiliTrak Light ...... 133 Identification Number (VIN) . . . 365 Wheels Off Light ...... 132 Load Limits ...... 186 Alignment and Tire Balance . . 317 Traction Control/Electronic Messages ...... 145 Different Size ...... 315 Stability Control ...... 209 Personalization ...... 146 Replacement ...... 318 Trailer Remote Start ...... 15 Sway Control (TSC) ...... 256 Security ...... 29 GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/- Mexico-13687875) - 2020 - CRC - 10/28/19

404 Index When It Is Time for New Tires ...... 313 Where to Put the Restraint ...... 83 Windows ...... 36 Power ...... 36 Windshield Replacement ...... 286 Wiper/Washer ...... 107 Winter Driving ...... 184 Winter Tires ...... 299 Wiper Blade Replacement ...... 285 Wipers Rear Washer ...... 109 Wireless Charging ...... 112 20_GMC_Acadia_AcadiaDenali_COV_en_US_84289158B_2019OCT29.ai 1 10/15/2019 8:52:01 AM

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