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23218796 A Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Contents Introduction ...... 2 In Brief ...... 5 Keys, Doors, and Windows . . . . . 26 Seats and Restraints ...... 49 Storage ...... 96 Instruments and Controls ...... 99 Lighting ...... 147 Infotainment System ...... 154 Climate Controls ...... 155 Driving and Operating ...... 161 Vehicle Care ...... 225 Service and Maintenance . . . . . 295 Technical Data ...... 308 Customer Information ...... 311 Reporting Safety Defects ...... 322 OnStar ...... 325 Index ...... 335 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

2 Introduction Introduction This manual describes features that Helm, Incorporated may or may not be on the vehicle Attention: Customer Service because of optional equipment that 47911 Halyard Drive was not purchased on the vehicle, Plymouth, MI 48170 model variants, country USA specifications, features/applications that may not be available in your Using this Manual region, or changes subsequent to the printing of this owner manual. To quickly locate information about the vehicle, use the Index in the The names, logos, emblems, Refer to the purchase back of the manual. It is an slogans, vehicle model names, and documentation relating to your alphabetical list of what is in the vehicle body designs appearing in specific vehicle to confirm the manual and the page number where this manual including, but not limited features. it can be found. to, GM, the GM logo, BUICK, the BUICK Emblem, and LACROSSE Keep this manual in the vehicle for are trademarks and/or service quick reference. Danger, Warning, and marks of General Motors LLC, its Caution subsidiaries, affiliates, or licensors. Canadian Vehicle Owners Warning messages found on vehicle For vehicles first sold in Canada, A French language manual can be labels and in this manual describe substitute the name “General obtained from your dealer, at hazards and what to do to avoid or Motors of Canada Company” for www.helminc.com, or from: reduce them. Buick Motor Division wherever it appears in this manual. Propriétaires Canadiens On peut obtenir un exemplaire de ce guide en français auprès du concessionnaire ou à l'adresse suivante: Litho in U.S.A. Part No. 23218796 A First Printing © 2016 General Motors LLC. All Rights Reserved. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Introduction 3

A circle with a slash through it is a 9 : Airbag Readiness Light { Danger safety symbol which means “Do Not,”“Do not do this,” or “Do not let # : Air Conditioning Danger indicates a hazard with a this happen.” ! : Antilock Brake System (ABS) high level of risk which will result in serious injury or death. g : Audio Steering Wheel Controls Symbols or OnStar® (if equipped) The vehicle has components and $ : Brake System Warning Light labels that use symbols instead of { Warning text. Symbols are shown along with " : Charging System the text describing the operation or I : Cruise Control Warning indicates a hazard that information relating to a specific could result in injury or death. component, control, message, ` : Do Not Puncture gauge, or indicator. ^ : Do Not Service M : Shown when the owner B : Engine Coolant Temperature Caution manual has additional instructions : Exterior Lamps or information. O Caution indicates a hazard that _ : Flame/Fire Prohibited * : Shown when the service could result in property or vehicle manual has additional instructions # : Fog Lamps damage. or information. . : Fuel Gauge 0 : Shown when there is more + : Fuses information on another page — 3 “see page.” : Headlamp High/Low-Beam Changer Vehicle Symbol Chart ( : Heated Steering Wheel Here are some additional symbols j that may be found on the vehicle : LATCH System Child Restraints and what they mean. For more * : Malfunction Indicator Lamp information on the symbol, refer to : : Oil Pressure the Index. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

4 Introduction

O : Power / : Remote Vehicle Start > : Safety Belt Reminders 7 : Tire Pressure Monitor d : Traction Control/StabiliTrak® a : Under Pressure M : Windshield Washer Fluid Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

In Brief 5

Vehicle Features Performance and Maintenance In Brief Infotainment System ...... 18 Traction Control/Electronic Steering Wheel Controls ...... 18 Stability Control ...... 23 Instrument Panel Cruise Control ...... 18 Tire Pressure Monitor ...... 23 Driver Information Fuel ...... 23 Instrument Panel ...... 6 Center (DIC) ...... 19 E85 or FlexFuel ...... 24 Initial Drive Information Forward Collision Alert (FCA) Engine Oil Life System ...... 24 Initial Drive Information ...... 8 System ...... 19 Driving for Better Fuel Stop/Start System ...... 8 Forward Automatic Economy ...... 24 Remote Keyless Entry (RKE) Braking (FAB) ...... 19 Roadside Assistance System ...... 8 Front Pedestrian Braking (FPB) Program ...... 25 Remote Vehicle Start ...... 8 System ...... 19 Door Locks ...... 9 Lane Keep Assist (LKA) ...... 20 Trunk Release ...... 9 Lane Change Alert (LCA) ...... 20 Windows ...... 10 Rear Vision Camera (RVC) . . . . 20 Seat Adjustment ...... 10 Rear Cross Traffic Alert (RCTA) Memory Features ...... 11 System ...... 20 Heated and Ventilated Seats . . . 12 Parking Assist ...... 20 Head Restraint Adjustment . . . . 12 Automatic Parking Safety Belts ...... 13 Assist (APA) ...... 21 Passenger Sensing System . . . 13 Power Outlets ...... 21 Mirror Adjustment ...... 13 Universal Remote System . . . . . 21 Steering Wheel Adjustment . . . . 14 Sunroof ...... 22 Interior Lighting ...... 15 Exterior Lighting ...... 16 Windshield Wiper/Washer ...... 16 Climate Controls ...... 17 Transmission ...... 18 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

6 In Brief Instrument Panel Instrument Panel Overview Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

In Brief 7

1. Air Vents 0 159. Parking Assist Button. See 17. Cruise Control 0 191 (If 2. Exterior Lamp Controls 0 147. Driver Assistance Equipped). Systems 0 201. 0 Fog Lamps 0 150. Adaptive Cruise Control 193 SPORT Button (If Equipped). (If Equipped). Instrument Panel Illumination See Selective Ride Control 0 151. 0 Forward Collision Alert (FCA) Control 191. System 0 206 (If Equipped). 3. Turn and Lane-Change Lane Keep Assist (LKA) 0 214 0 Signals 0 150. Heated Steering Wheel 101 (If Equipped). (If Equipped). 4. Tap Shift Controls (If Automatic Parking Assist 0 Equipped). See Manual 18. Head-Up Display (HUD) 124 Button (If Equipped). See (If Equipped). Mode 0 184. Driver Assistance 0 5. Instrument Cluster 0 107. Systems 201. 19. Hood Release (Out of View). See Hood 0 228. Driver Information Center (DIC) 12. Shift Lever. See Automatic 0 Display. See Driver Information Transmission 180. 20. Front Storage. Center (DIC) 0 121. 13. ENGINE START/STOP Button 21. Data Link Connector (DLC) 6. Windshield Wiper/ (Out of View). See Ignition (Out of View). See Malfunction 0 Washer 0 101. Positions 172. Indicator Lamp (Check Engine Light) 0 113. 14. Steering Wheel Controls. See 7. Hazard Warning 0 Flashers 0 149. the infotainment manual. 22. Electric Parking Brake 186. 8. Light Sensor. See Automatic Driver Information Center (DIC) Headlamp System 0 148. Controls. See Driver Information Center (DIC) 0 121. 9. Infotainment 0 154. 15. Horn 0 101. 10. Dual Automatic Climate Control System 0 155. 16. Steering Wheel Adjustment 0 100 (Out of View). 11. Traction Control/Electronic Stability Control 0 189. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

8 In Brief

Initial Drive Remote Keyless Entry 7 : Press and release to initiate (RKE) System vehicle locator. Press and hold for at Information least three seconds to sound the This section provides a brief The Remote Keyless Entry (RKE) panic alarm. Press again to cancel overview about some of the transmitter may work up to 60 m the panic alarm. (197 ft) away from the vehicle. important features that may or may See Keys 0 26 and Remote Keyless not be on your specific vehicle. Entry (RKE) System Operation 0 27. For more detailed information, refer to each of the features which can be Remote Vehicle Start found later in this owner manual. If equipped, the engine can be started from outside of the vehicle. Stop/Start System Starting the Vehicle The vehicle is equipped with a fuel saving stop/start system to shut off 1. Press and release Q on the the engine and help conserve fuel. RKE transmitter. When the brakes are applied and 2. Immediately press and hold / the vehicle is at a complete stop, With Remote Start Shown for at least four seconds or until the engine may turn off. When the the turn signal lamps flash. brake pedal is released or the Q : Press to lock all doors. accelerator pedal is pushed, the K Start the vehicle normally after engine will restart. : Press to unlock the driver door entering. or all doors. See Starting the Engine 0 174. When the vehicle starts, the parking Lock and unlock feedback can be lamps will turn on. personalized. See Vehicle Personalization 0 137. Remote start can be extended. X : Press twice quickly to release the trunk. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

In Brief 9

Canceling a Remote Start Power Door Locks To cancel a remote start, do one of The power door lock controls are on the following: the front door panels. . Press and hold / until the K : Press to unlock all doors. parking lamps turn off. Q : Press to lock all doors. . Turn on the hazard warning See Power Door Locks 0 36. flashers. Keyless Access . Turn the vehicle on and then off. 0 The RKE transmitter must be within See Remote Vehicle Start 33. 1 m (3 ft) of the door being opened. Door Locks Press the button on the door handle Press the bottom of the emblem to open. See Keyless Access above the license plate when all To lock or unlock the doors: Operation under Remote Keyless doors are unlocked. Entry (RKE) System Operation 0 27. . From inside the vehicle, use the To open the trunk from inside the power door lock controls. Pull once on the door handle to Trunk Release vehicle, press and hold | on the unlock it, and a second time to driver door when the vehicle is off or To open the trunk from outside the 0 open it. in P (Park). See Trunk 38. vehicle, press X twice quickly on . From outside, press Q or K on the Remote Keyless Entry (RKE) the Remote Keyless Entry (RKE) transmitter. transmitter, or use the key in the door. The key cylinder is covered with a cap. See Remote Keyless Entry (RKE) System Operation 0 27. See Door Locks 0 35. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

10 In Brief

Windows Seat Adjustment Lumbar Adjustment Power Seats

Four-Way Shown, Two-Way Press the switch to lower the Similar window. Pull the switch up to To adjust the seat: To adjust the lumbar support, raise it. if equipped: See Power Windows 0 45. . Move the seat forward or rearward by moving the control . Press and hold the front or rear forward or rearward. of the control to increase or decrease lumbar support. . Raise or lower the front part of the seat cushion by moving the . If equipped, press and hold the front of the control up or down. top or bottom of the control to raise or lower lumbar support. . Raise or lower the entire seat by moving the rear of the control up See Lumbar Adjustment 0 52. or down. See Power Seat Adjustment 0 51. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

In Brief 11

Massage Reclining Seatbacks Memory Features If equipped, the ignition must be on Power Reclining Seatbacks to use the massage feature.

If equipped, the SET, 1, 2, and B . Tilt the top of the control (Exit) buttons on the driver door are If equipped, press the massage rearward to recline. used to manually store and recall button to use the massage feature. . Tilt the top of the control forward memory settings for the driver seat. To stop massage, press this button to raise. The driver memory buttons also again. store outside mirror, and power tilt See Reclining Seatbacks 0 52. The massage feature will turn off and telescoping steering wheel after approximately 10 minutes. positions (if equipped). Press the massage button to restart When Auto Memory Recall is the massage feature. enabled in the personalization menu, positions previously stored to memory buttons 1 and 2 are recalled when the ignition is changed from OFF to ON/RUN or ACC/ACCESSORY. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

12 In Brief

When Easy Exit Options is enabled Heated and Ventilated Press C or {, if equipped, to in the personalization menu, the Seats ventilate the driver or passenger feature automatically recalls the seat. A ventilated seat has a fan current driver’s previously stored that pulls or pushes air through the exit position when exiting the seat. The air is not cooled. vehicle. Press the button once for the 0 See Memory Seats 53 and highest setting. With each press of 0 Vehicle Personalization 137. the button, the seat will change to the next lower setting, and then to the off setting. The lights near the heated or ventilated seat symbol on the button indicate three for the highest setting and one for the lowest. Heated and Ventilated Seat See Heated and Ventilated Front Buttons Shown, Heated Seat Seats 0 55. Buttons Similar Head Restraint If equipped, the buttons are near the climate controls on the center stack. Adjustment To operate, the ignition must be in Do not drive until the head restraints ON/RUN. for all occupants are installed and adjusted properly. Press M or L to heat the driver or passenger seat cushion. To achieve a comfortable seating position, change the seatback recline angle as little as necessary while keeping the seat and the head restraint height in the proper position. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

In Brief 13

See Head Restraints 0 50 and Passenger Sensing Mirror Adjustment Reclining Seatbacks 0 52. System Exterior Safety Belts

The passenger sensing system turns off the front outboard passenger frontal airbag and knee airbag under certain conditions. No other airbag is affected by the passenger sensing system. See 0 Passenger Sensing System 71. To adjust the mirrors: The passenger airbag status Refer to the following sections for 1. Press } or | to select the important information on how to use indicator will light on the overhead driver or passenger mirror. safety belts properly: console when the vehicle is started. See Passenger Airbag Status 2. Press the control button below . Safety Belts 0 58. Indicator 0 112. (left, right, up, or down) to . How to Wear Safety Belts adjust the mirror. Properly 0 59. Vehicles with the memory feature . Lap-Shoulder Belt 0 60. can store a preferred mirror position. . Lower Anchors and Tethers for See Memory Seats 0 53 and Power Children (LATCH System) 0 84. Mirrors 0 43. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

14 In Brief

Manual Folding Mirrors Automatic Dimming Rearview 3. Pull or push the steering wheel The outside mirrors can be folded Mirror closer or away from you. inward to prevent damage when If equipped, automatic dimming 4. Pull the lever up to lock the going through an automatic car reduces the glare of the headlamps steering wheel in place. wash. To fold, pull the mirror toward from behind. This feature comes on the vehicle. Push the mirror outward when the vehicle is started. See Power Tilt and Telescoping Steering Wheel to return it to the original position. Automatic Dimming Rearview 0 See Folding Mirrors 0 43. Mirror 44. Automatic Dimming Feature Steering Wheel If equipped, the driver outside mirror Adjustment automatically dims to reduce the glare of headlamps from behind. See Power Mirrors 0 43. Turn Signal Indicator The vehicle may have a turn signal indicator lamp built into the mirror housing. The turn signal lamp flashes when the turn signals or To adjust the steering wheel, hazard flashers are used. if equipped: Interior Press the control to move the tilt Adjust the rearview mirror for a clear and telescoping steering wheel up and down or forward and rearward. view of the area behind your To adjust the steering wheel: vehicle. Do not adjust the steering wheel 1. Pull the lever down. while driving. 2. Move the steering wheel up or down. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

In Brief 15

Interior Lighting + ON/OFF : Press to turn the dome lamps on manually. Dome Lamps Reading Lamps There are front and rear reading lamps.

The rear reading lamps are over the rear passenger doors. Press the lamp lenses to turn the rear reading lamps on or off. For more information on interior lighting, see Instrument Panel Illumination Control 0 151. The dome lamp controls are in the overhead console. To operate, press the following buttons: The front reading lamps are in the overhead console. j OFF : Press to turn off the dome lamps when a door is open. Press the lamp lenses to turn the An indicator light on the button will front reading lamps on or off. turn on when the dome lamp override is activated. Press j OFF again to deactivate this feature and the indicator light will turn off. The dome lamps will come on when doors are opened. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

16 In Brief

Exterior Lighting 5 : Turns on the headlamps together with the parking lamps and instrument panel lights. See: . Exterior Lamp Controls 0 147. . Daytime Running Lamps (DRL) 0 148.

Windshield Wiper/Washer INT : Use for intermittent wipes. To adjust wipe frequency, turn the band The exterior lamp control is on the up for more frequent wipes or down instrument panel to the left of the for less frequent wipes. steering column. OFF : Use to turn the wipers off. There are four positions. O 1x : For a single wipe, briefly move : Turns off the automatic the wiper lever down. For several headlamps and daytime running wipes, hold the wiper lever down. lamps (DRL). Turn to the off position again to turn the automatic f : Pull the windshield wiper headlamps or DRL back on. lever toward you to spray windshield With the ignition in ACC/ washer fluid and activate the wipers. AUTO : Turns the exterior lamps on ACCESSORY or ON/RUN/START, and off automatically depending on move the windshield wiper lever to See Windshield Wiper/ 0 outside lighting. select the wiper speed. Washer 101. ; : Turns on the parking lamps HI : Use for fast wipes. including all lamps, except the headlamps. LO : Use for slow wipes. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

In Brief 17

Climate Controls Dual Automatic Climate control System The heating, cooling, and ventilation in the vehicle can be controlled with this system.

Climate Touch Screen Controls 1. Outside Temperature Display 2. Driver and Passenger Temperature Controls

Climate Control Buttons 3. Fan Control 4. Sync (Synchronized 1. Driver and Passenger 6. MAX Defrost Temperature) Temperature Displays 7. Recirculation 5. A/C (Air Conditioning) 2. Driver and Passenger 8. Rear Window Defogger and 6. Climate Control Selection Temperature Controls Heated Outside Mirrors (If (Application Tray Button) 3. Driver and Passenger Heated Equipped) 7. Air Delivery Mode Control and Ventilated Seats (If 9. Power (ON/OFF) Equipped) See Dual Automatic Climate Control 10. AUTO (Automatic Operation) System 0 155. 4. Fan Controls 5. CLIMATE Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

18 In Brief Transmission Vehicle Features Cruise Control Tap Shift Infotainment System If equipped, Tap Shift allows you to shift an automatic transmission See the infotainment manual for similar to a manual transmission. To information on the radio, audio use the Tap Shift feature: players, phone, navigation system, and voice or speech recognition. 1. When in D (Drive), pull back on It also includes information on the shift lever to enter settings. M (Manual Mode). 2. Use Tap Shift to manually shift Steering Wheel Controls the automatic transmission. The infotainment system can be 3. To exit, pull back on the shift operated by using the steering lever to go from M (Manual wheel controls. See "Steering Mode) back to D (Drive). Wheel Controls" in the infotainment 5 : Press to turn cruise control on or off. A white indicator comes on in See Manual Mode 0 184. manual. the instrument cluster. RES+ : If there is a set speed in memory, press the control up briefly to resume to that speed or press and hold to accelerate. If cruise control is already engaged, use to increase vehicle speed. SET− : Press the control down briefly to set the speed and activate cruise control. If cruise control is already engaged, use to decrease vehicle speed. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

In Brief 19

* : Press to disengage cruise S or T : Press S to open Forward Automatic control without erasing the set application menus on the left. Press Braking (FAB) speed from memory. T to open interaction menus on the If the vehicle has Adaptive Cruise See Cruise Control 0 191 and right. 0 V Control (ACC), it also has FAB, Adaptive Cruise Control 193 (if : Press to open a menu or select which includes Intelligent Brake equipped). a menu item. Press and hold to Assist (IBA). When the system reset values on certain screens. detects a vehicle ahead in your path Driver Information See Driver Information Center that is traveling in the same Center (DIC) (DIC) 0 121. direction that you may be about to crash into, it can provide a boost to The DIC display is in the instrument braking or automatically brake the cluster. It shows the status of many Forward Collision Alert (FCA) System vehicle. This can help avoid or vehicle systems. lessen the severity of crashes when If equipped, FCA may help avoid or driving in a forward gear. reduce the harm caused by See Forward Automatic Braking front-end crashes. FCA provides a (FAB) 0 208. green indicator, V, when a vehicle is detected ahead. This indicator Front Pedestrian Braking displays amber if you follow a vehicle much too closely. When (FPB) System approaching a vehicle ahead too If equipped, the FPB system may quickly, FCA provides a flashing red help avoid or reduce the harm alert on the windshield and rapidly caused by front-end crashes with beeps or pulses the driver seat. nearby pedestrians when driving in See Forward Collision Alert (FCA) a forward gear. FPB displays an System 0 206. amber indicator, ~, when a nearby y or z : Press to move up or pedestrian is detected directly down in a list. ahead. When approaching a detected pedestrian too quickly, Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

20 In Brief

FPB provides a red flashing alert on Lane Change Alert (LCA) Rear Cross Traffic Alert the windshield and rapidly beeps or pulses the driver seat. FPB can If equipped, the LCA system is a (RCTA) System provide a boost to braking or lane-changing aid that assists If equipped, the RCTA system uses automatically brake the vehicle. drivers with avoiding lane change a triangle with an arrow displayed crashes that occur with moving on the infotainment screen to warn See Front Pedestrian Braking (FPB) vehicles in the side blind zone (or System 0 209. of traffic behind your vehicle that spot) areas or with vehicles rapidly may cross your vehicle's path while approaching these areas from in R (Reverse). In addition, beeps Lane Keep Assist (LKA) behind. The LCA warning display will sound, or the driver seat will If equipped, LKA may help avoid will light up in the corresponding pulse. crashes due to unintentional lane outside side mirror and will flash if the turn signal is on. The Side Blind See Assistance Systems for Parking departures. It may assist by gently or Backing 0 202. turning the steering wheel if the Zone Alert (SBZA) system is included as part of the LCA system. vehicle approaches a detected lane Parking Assist marking without using a turn signal See Side Blind Zone Alert (SBZA) in that direction. It may also provide 0 211 and Lane Change Alert If equipped, Rear Parking a Lane Departure Warning (LDW) (LCA) 0 212. Assist (RPA) uses sensors on the alert as the lane marking is crossed. rear bumper to assist with parking The system will not assist or alert if Rear Vision and avoiding objects while in it detects that you are actively R (Reverse). It operates at speeds steering. Override LKA by turning Camera (RVC) less than 8 km/h (5 mph). RPA may the steering wheel. LKA uses a RVC displays a view of the area display a warning triangle on the camera to detect lane markings behind the vehicle on the Rear Vision Camera screen and a between 60 km/h (37 mph) and infotainment display when the graphic on the instrument cluster to 180 km/h (112 mph). vehicle is shifted into R (Reverse) to provide the object distance. In See Lane Departure Warning (LDW) aid with parking and low-speed addition, multiple beeps or seat 0 213 and Lane Keep Assist backing maneuvers. pulses may occur if very close to an (LKA) 0 214. See Assistance Systems for Parking object. or Backing 0 202. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

In Brief 21

See Assistance Systems for Parking Power Outlets The outlet is powered when the or Backing 0 202. ignition is in ON/RUN or ACC/ ACCESSORY, or until the driver Automatic Parking door is opened within 10 minutes of Assist (APA) turning off the vehicle. See Retained Accessory Power (RAP) 0 177. If equipped, the APA system helps See Power Outlets 0 103. to search for and maneuver the vehicle into parallel or perpendicular parking spots using automatic Universal Remote System steering, DIC displays, and beeps. When the vehicle speed is below 30 km/h (18 mph), press O to enable the system. See “Automatic Parking Assist The 12-volt power outlets can be (APA)” under Assistance Systems used to plug in electrical equipment, for Parking or Backing 0 202. such as a cell phone or MP3 player. The vehicle has three power outlets: . Under the front of the center console. . Inside the center console storage. If equipped, this system provides a . On the rear of the center way to replace up to three remote console. control transmitters used to activate devices such as garage door Open the protective cover to use the openers, security systems, and power outlet. home automation devices. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

22 In Brief

Read the instructions completely On vehicles with a sunroof, the Vent : Press ~ (1) to vent the before attempting to program the switches are on the overhead sunroof. Press g (1) to close the Universal Remote system. Because console. sunroof vent. of the steps involved, it may be The ignition must be on, in ACC/ helpful to have another person ACCESSORY, or Retained Power Sunshade Switch (Sunroof) available to assist with programming Accessory Power (RAP) must be the Universal Remote system. Open/Close : Press C (3) to open active. See Retained Accessory g See Universal Remote Power (RAP) 0 177. the front sunshade. Press (3) to System 0 144. close the front sunshade. Sunroof Switch The vehicle has an automatic Sunroof Express-Open/Express-Close : To reversal system that stops the express-open the sunroof, fully sunroof from closing when the press and release ~ (1). To reversal system detects an object in express-close, fully press and its path. release g (1). To stop the sunroof See Sunroof 0 47. partway, press either switch a second time. The sunshade opens automatically with the sunroof. Open/Close (Manual Mode) : To open the sunroof, press and hold ~ (1). To close the sunroof, press and hold g (1). To stop the 1. Sunroof Switch sunroof partway, release the switch. 2. Power Sunshade The sunshade opens automatically Switch (Rear) with the sunroof. 3. Power Sunshade Switch (Sunroof) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

In Brief 23

Performance and . Press and release g to turn on The low tire pressure warning light both systems. may come on in cool weather when Maintenance the vehicle is first started, and then See Traction Control/Electronic turn off as the vehicle is driven. This 0 Traction Control/ Stability Control 189. may be an early indicator that the tire pressures are getting low and Electronic Stability Tire Pressure Monitor the tires need to be inflated to the Control This vehicle may have a Tire proper pressure. The Traction Control System (TCS) Pressure Monitor System (TPMS). The TPMS does not replace normal limits wheel spin. The system turns monthly tire maintenance. Maintain on automatically every time the the correct tire pressures. vehicle is started. See Tire Pressure Monitor . To turn off TCS, press and System 0 262. release g on the center stack. i illuminates and the Fuel appropriate DIC message is The low tire pressure warning light displayed. See Ride Control 0 alerts to a significant loss in System Messages 133. pressure of one of the vehicle's . Press and release g again to tires. If the warning light comes on, turn on TCS. stop as soon as possible and inflate the tires to the recommended . To turn off both TCS and pressure shown on the Tire and Regular Fuel StabiliTrak, press and hold g Loading Information label. See 0 until i and g illuminate and the Vehicle Load Limits 168. The Use only unleaded gasoline rated appropriate DIC message is warning light will remain on until the 87 octane or higher in your vehicle. displayed. See Ride Control tire pressure is corrected. Do not use gasoline with an octane System Messages 0 133. rating lower as it may result in vehicle damage and lower fuel economy. See Fuel 0 215. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

24 In Brief

E85 or FlexFuel Resetting the Oil Life System Driving for Better Fuel 1. Using the DIC controls on the Economy right side of the steering wheel, display REMAINING OIL LIFE Driving habits can affect fuel on the DIC. See Driver mileage. Here are some driving tips Information Center (DIC) 0 121. to get the best fuel economy When remaining oil life is low, possible. the CHANGE ENGINE OIL . Avoid fast starts and accelerate No E85 or FlexFuel SOON message will appear on smoothly. the display. See Engine Oil Gasoline-ethanol fuel blends greater . Brake gradually and avoid Messages 0 130. than E15 (15% ethanol by volume), abrupt stops. such as E85, cannot be used in this 2. Press V on the DIC controls . Avoid idling the engine for long vehicle. and hold down for a few periods of time. seconds to clear the CHANGE Engine Oil Life System ENGINE OIL SOON message . When road and weather and reset the oil life at 100%. conditions are appropriate, use The engine oil life system calculates cruise control. engine oil life based on vehicle use Be careful not to reset the oil and displays the CHANGE ENGINE life display accidentally at any . Always follow posted speed OIL SOON message when it is time time other than after the oil is limits or drive more slowly when to change the engine oil and filter. changed. It cannot be reset conditions require. The oil life system should be reset accurately until the next oil . Keep vehicle tires properly to 100% only following an oil change. inflated. change. See Engine Oil Life System 0 232. . Combine several trips into a single trip. . Replace the vehicle's tires with the same TPC Spec number molded into the tire's sidewall near the size. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

In Brief 25

. Follow recommended scheduled maintenance. Roadside Assistance Program U.S.: 1-800-252-1112 TTY Users (U.S. Only): 1-888-889-2438 Canada: 1-800-268-6800 New Buick owners are automatically enrolled in the Roadside Assistance Program. See Roadside Assistance Program 0 315. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

26 Keys, Doors, and Windows Folding Mirrors ...... 43 Keys and Locks Keys, Doors, and Heated Mirrors ...... 43 Windows Automatic Dimming Mirror . . . . . 43 Reverse Tilt Mirrors ...... 44 Keys

Interior Mirrors { Warning Keys and Locks Interior Rearview Mirrors ...... 44 Keys ...... 26 Automatic Dimming Rearview Leaving children in a vehicle with Remote Keyless Entry (RKE) Mirror ...... 44 System ...... 27 a Remote Keyless Entry (RKE) Remote Keyless Entry (RKE) Windows transmitter is dangerous and System Operation ...... 27 Windows ...... 44 children or others could be Remote Vehicle Start ...... 33 Power Windows ...... 45 seriously injured or killed. They Door Locks ...... 35 Sun Visors ...... 47 could operate the power windows Power Door Locks ...... 36 Rear Window Sunshade ...... 47 or other controls or make the Delayed Locking ...... 36 vehicle move. The windows will Automatic Door Locks ...... 37 Roof function with the RKE transmitter Lockout Protection ...... 37 Sunroof ...... 47 in the vehicle, and children or Safety Locks ...... 37 others could be caught in the path Doors of a closing window. Do not leave Trunk ...... 38 children in a vehicle with an RKE transmitter. Vehicle Security Vehicle Security ...... 40 Vehicle Alarm System ...... 40 Immobilizer ...... 41 Immobilizer Operation ...... 41 Exterior Mirrors Convex Mirrors ...... 42 Power Mirrors ...... 43 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Keys, Doors, and Windows 27

If it becomes difficult to turn the key . If the transmitter is still not in a vehicle lock, inspect the key working correctly, see your blade for debris. Periodically clean dealer or a qualified technician with a brush or pick. for service. See your dealer if a new key is needed. Remote Keyless Entry With an active OnStar subscription, (RKE) System Operation an OnStar Advisor may remotely The Keyless Access system allows unlock the vehicle. See OnStar for vehicle entry when the Overview 0 325. transmitter is within 1 m (3 ft). See “Keyless Access Operation” later in Remote Keyless Entry this section. The vehicle has the keyless ignition. The key can be used for the locks. (RKE) System The transmitter functions may work See Radio Frequency up to 60 m (197 ft) away from the Statement 0 321. vehicle. If there is a decrease in the Remote Other conditions can impact the Keyless Entry (RKE) operating performance of the transmitter. range: . Check the distance. The transmitter may be too far from the vehicle. . Check the location. Other vehicles or objects may be blocking the signal. . Check the transmitter's battery. Press the button on the RKE See “Battery Replacement” later transmitter to access the key. in this section. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

28 Keys, Doors, and Windows

K : Press to unlock the driver door. Press and hold 7 for at least Press again within five seconds to three seconds to sound the panic unlock all doors. The RKE alarm. The horn sounds and the transmitter can be programmed to turn signals flash until 7 is pressed unlock all doors on the first button again or the vehicle is started. press. See Vehicle Personalization 0 137. / : If equipped, press Q and release and then immediately press The turn signal indicators may flash to indicate unlocking. See Vehicle and hold / for at least Personalization 0 137. four seconds to start the engine from outside the vehicle using the Pressing K will disarm the RKE transmitter. See Remote theft-deterrent system. See Vehicle Vehicle Start 0 33. Q : Press to lock all doors. Alarm System 0 40. Keyless Access Operation The turn signal indicators may flash Memory seat positions may be and/or the horn may sound on the recalled when unlocking the vehicle. If equipped with a Keyless Access second press to indicate locking. See Memory Seats 0 53 and system, it allows for locking and See Vehicle Personalization 0 137. Vehicle Personalization 0 137. unlocking the doors and accessing the trunk without removing the RKE If the driver door is open when Q is X : Press twice quickly to release transmitter from your pocket, purse, pressed and enabled through the trunk. briefcase, etc. The RKE transmitter vehicle personalization, all doors will 7 : Press and release to initiate should be within 1 m (3 ft) of the lock and the driver door will vehicle locator. The exterior lamps trunk or door being opened. If the immediately unlock. flash and the horn chirps three vehicle has this feature, there will be If the passenger door is open when times. buttons on the outside of the door Q is pressed, all doors lock. handles. Pressing Q may also arm the theft-deterrent system. See Vehicle Alarm System 0 40. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Keys, Doors, and Windows 29

Keyless Access can be Pressing the lock/unlock button will Passive Locking programmed to unlock all doors on cause all doors to lock if any of the With Keyless Access the vehicle will the first unlock/lock button press following occur: lock several seconds after all doors from the driver door. See Vehicle 0 . It has been more than are closed if the vehicle is off and at Personalization 137. five seconds since the first lock/ least one transmitter has been Keyless Unlocking/Locking from unlock button press. removed or none remain in the the Driver Door . Two lock/unlock button presses interior. When the doors are locked and the were used to unlock all doors. If other electronic devices interfere RKE transmitter is within 1 m (3 ft) . Any vehicle door has opened with the RKE transmitter signal, the of the driver door handle, pressing and all doors are now closed. vehicle may not detect the RKE the lock/unlock button on the driver transmitter inside the vehicle. door handle will unlock the driver Keyless Unlocking/Locking from If passive locking is enabled, the door. If the lock/unlock button is Passenger Doors doors may lock with the RKE pressed again within five seconds, When the doors are locked and the transmitter inside the vehicle. Do all passenger doors will unlock. RKE transmitter is within 1 m (3 ft) not leave the RKE transmitter in an of the door handle, pressing the unattended vehicle. lock/unlock button on that door To customize the doors to handle will unlock all doors. automatically lock when exiting the vehicle, see Vehicle Pressing the lock/unlock button will 0 cause all doors to lock if any of the Personalization 137. following occur: Temporary Disable of Passive . The lock/unlock button was used Locking Feature to unlock all doors. Temporarily disable passive locking . Any vehicle door has opened by pressing and holding K on the and all doors are now closed. interior door switch with a door open for at least four seconds, or until three chimes are heard. Passive locking will then remain disabled Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

30 Keys, Doors, and Windows

until Q on the interior door is Programming Transmitters to 2. Remove the key lock cylinder pressed, or until the vehicle is the Vehicle cap on the driver door handle. See Door Locks 0 35. turned on. Only RKE transmitters programmed Remote Left in Vehicle Alert to the vehicle will work. If a 3. Insert the vehicle key of the transmitter is lost or stolen, a new transmitter into the key When the vehicle is turned off and replacement can be purchased and lock cylinder on the outside of an RKE transmitter is left in the programmed through your dealer. the driver door and turn the key vehicle, the horn will chirp three The vehicle can be reprogrammed to the unlock position five times times after all doors are closed. To so that lost or stolen transmitters no within 10 seconds. turn on or off see Vehicle longer work. Any remaining Personalization 0 137. The Driver Information Center transmitters will need to be (DIC) displays READY FOR Remote No Longer in Vehicle Alert reprogrammed. Each vehicle can REMOTE #2, 3, 4 or 5. have up to eight transmitters If the vehicle is on, with a door matched to it. open, and then all doors are closed, the vehicle will check for RKE Programming with Recognized transmitter(s) inside. If an RKE Transmitters transmitter is not detected, the DIC A new transmitter can be will display NO REMOTE programmed to the vehicle when DETECTED and the horn will chirp there are two recognized three times. transmitters. To program, the vehicle This occurs only once each time the must be off and all of the vehicle is driven. transmitters, both currently recognized and new, must be See Vehicle Personalization 0 137. with you. Key Access 1. Place the two recognized 4. Place the new transmitter into transmitters in the cupholder. To access a vehicle with a weak the transmitter pocket inside transmitter battery, see Door the armrest storage area. Locks 0 35. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Keys, Doors, and Windows 31

5. Press ENGINE START/STOP. must be off and all of the vehicle. Remaining transmitters When the transmitter is transmitters you wish to program can be relearned during the learned, the DIC will show that must be with you. next steps. it is ready to program the next 1. Remove the key lock cylinder The DIC display should now transmitter. cap on the driver door handle. show READY FOR 6. Remove the transmitter from See Door Locks 0 35. REMOTE #1. the transmitter pocket and 2. Insert the vehicle key of the press K. transmitter into the key lock To program additional cylinder on the outside of the transmitters, repeat Steps 3–5. driver door and turn the key to the unlock position five times When all additional transmitters within 10 seconds. are programmed, press and hold ENGINE START/STOP for The Driver Information Center 12 seconds to exit (DIC) displays REMOTE programming mode. LEARN PENDING, PLEASE WAIT. 7. Put the key back into the transmitter. 3. Wait for 10 minutes until the DIC displays PRESS ENGINE Programming without Recognized START BUTTON TO LEARN 5. Place the new transmitter into Transmitters and then press ENGINE the transmitter pocket inside If two currently recognized START/STOP. the armrest storage area. transmitters are not available, follow The DIC display will again 6. Press ENGINE START/STOP. this procedure to program up to show REMOTE LEARN When the transmitter is learned eight transmitters. This feature is PENDING, PLEASE WAIT. the DIC will show that it is not available in Canada. This ready to program the next procedure will take approximately 4. Repeat Step 2 two additional transmitter. 30 minutes to complete. The vehicle times. After the third time, all previously known transmitters will no longer work with the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

32 Keys, Doors, and Windows

7. Remove the transmitter from the transmitter pocket and Caution K press . When replacing the battery, do To program additional not touch any of the circuitry on transmitters, repeat Steps 4–6. the transmitter. Static from your When all additional transmitters body could damage the are programmed, press and transmitter. hold ENGINE START/STOP button for 12 seconds to exit The battery is not rechargeable. To programming mode. replace the battery: 8. Put the key back into the transmitter. To start the vehicle: Starting the Vehicle with a Low 1. Place the transmitter in the Transmitter Battery transmitter pocket inside the armrest storage area. When starting the vehicle, if the transmitter battery is weak or there 2. With the vehicle in P (Park) or is interference with the signal, the N (Neutral), press the brake DIC may display NO REMOTE pedal and ENGINE START/ DETECTED or NO REMOTE KEY STOP. See Starting the Engine 0 WAS DETECTED PLACE KEY IN 174 for additional information TRANSMITTER POCKET THEN about the vehicle's keyless START YOUR VEHICLE. See Key ignition with pushbutton start. and Lock Messages 0 131. Replace the transmitter battery as 1. Press the button on the soon as possible. transmitter to remove the key. Battery Replacement Replace the battery if the DIC displays a reminder message. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Keys, Doors, and Windows 33

Laws in some local communities may restrict the use of remote starters. For example, some laws may require a person using remote start to have the vehicle in view. Check local regulations for any requirements. Starting the Engine Using Remote Start To start the engine using the remote start feature: 2. Insert a flat tool into the bottom 5. Insert the new battery, positive 1. Aim the RKE transmitter at the of the transmitter and separate side facing up. Push the vehicle. the transmitter into two halves. battery down until it is held in place. Replace with a CR2032 2. Press and release Q. 3. Remove the battery by pushing or equivalent battery. 3. Immediately after completing on the battery and sliding it toward the bottom of the 6. Snap the battery cover back on Step 2, press and hold / for at transmitter. to the transmitter. least four seconds or until the turn signal lamps flash. The Remote Vehicle Start turn signal lamps flashing confirms the request to remote If available, this feature allows the start the vehicle has been engine to be started from outside received. the vehicle. When the engine starts, the The / button will be on the RKE parking lamps will turn on and transmitter if the vehicle has remote remain on as long as the start. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

34 Keys, Doors, and Windows

engine is running. The doors The remote start can only be Conditions in Which Remote Start will be locked and the climate extended once. Will Not Work control system may come on. When the remote start is extended, The remote start will not operate if: Start the engine to drive the vehicle. the second 10-minute period is . The transmitter is in the vehicle. added on to the first 10 minutes for The engine will shut off after . The hood is not closed. 10 minutes unless a time extension a total of 20 minutes. is done or the engine is started. A maximum of two remote starts, . The hazard warning flashers are on. The climate control system will use or a remote start with an extension, the previous setting during a remote are allowed between ignition cycles. . There is an emission control start. The rear defog may come on The vehicle's ignition must be system malfunction. during remote start based on cold changed to ON/RUN/START and . The engine coolant temperature ambient conditions. The rear defog then back to OFF before the remote is too high. indicator light does not come on start procedure can be used again. during remote start. Vehicles with . The oil pressure is low. Canceling a Remote Start heated or heated and ventilated . Two remote vehicle starts have front seats can have this feature To cancel a remote start, do any of already been used. turn on automatically during a the following: . The vehicle is not in P (Park). remote start. See Vehicle . Aim the RKE transmitter at the Personalization 0 137. vehicle and press and hold / Extending Engine Run Time until the parking lamps turn off. The engine run time can also be . Turn on the hazard warning extended by another 10 minutes, flashers. if during the first 10 minutes . Turn the vehicle on and then off. Steps 1–3 are repeated while the engine is still running. An extension can be requested, 30 seconds after starting. This provides a total of 20 minutes. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Keys, Doors, and Windows 35

Door Locks door handle to open. See “Keyless Warning (Continued) Access Operation” in Remote Keyless Entry (RKE) System { Warning . Outsiders can easily enter Operation 0 27. through an unlocked door Unlocked doors can be when slowing or stopping Key Cylinder Access dangerous. the vehicle. Lock the doors . Passengers, especially to help prevent this from children, can easily open happening. the doors and fall out of a moving vehicle. The chance To lock or unlock the doors from the of being thrown out of the outside, press Q or K on the vehicle in a crash is Remote Keyless Entry (RKE) increased if the doors are transmitter or use the key in the not locked. So, all door. The key cylinder is covered passengers should wear with a cap. See Remote Keyless safety belts properly and the Entry (RKE) System Operation 0 27. doors should be locked whenever the vehicle is To lock or unlock the doors from the inside: driven. To access the driver door key lock . Young children who get into . Press Q or K on a power door cylinder: unlocked vehicles may be lock switch. 1. Pull the door handle (1) to the unable to get out. A child open position. can be overcome by . Pulling the door handle once will extreme heat and can suffer unlock the door. Pulling the door 2. Insert the key into the slot (3) permanent injuries or even handle again will unlatch it. on the bottom of the cap (2) death from heat stroke. Keyless Access and pry outward. Always lock the vehicle 3. Move the cap (2) rearward and whenever leaving it. The RKE transmitter must be within 1 m (3 ft) of the door or trunk being remove. (Continued) opened. Press the button on the 4. Use the key in the cylinder. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

36 Keys, Doors, and Windows

Power Door Locks

To replace the cap: 1. Pull the door handle to the open position. K : Press to unlock the doors. 2. Insert the two tabs (6) at the back of the cap (7) between Q : Press to lock the doors. the seal (4) and the metal The indicator light in the switch will base (5). illuminate when activated. Delayed Locking This feature delays the locking of the doors until five seconds after all 3. Move the cap forward and doors are closed. press to snap the cap in place. Delayed locking can only be turned 4. Release the door handle. on when the Unlocked Door Anti-Lockout has been turned off. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Keys, Doors, and Windows 37

When Q is pressed on the power To unlock the doors: This can be manually overridden by door lock switch while the door is . Press K on the power door lock pressing and holding Q on the open, a chime will sound three switch. power door lock switch for at least times indicating delayed locking is four seconds. active. . Shift the transmission into P (Park). Unlocked Door Anti-Lockout The doors will lock automatically five seconds after all doors are Automatic door locking cannot be Unlocked Door Anti-Lockout, when closed. If a door is reopened before disabled. Automatic door unlocking on, will unlock the driver door if that time, the five-second timer will can be programmed. See Vehicle locking is requested while the driver reset when all doors are closed Personalization 0 137. door is open. This feature can be again. turned on or off using the vehicle Lockout Protection personalization menus. See Vehicle Press Q on the door lock switch Personalization 0 137. When locking is requested with the again or press on the RKE Q driver door open and the vehicle is transmitter to lock the doors Safety Locks in ACC/ACCESSORY or ON/RUN/ immediately. START, all the doors will lock and The rear door safety locks prevent This feature can also be then the driver door will unlock. passengers from opening the rear programmed. See Vehicle doors from inside the vehicle. If the vehicle is off and locking is Personalization 0 137. requested while a door is open, when all doors are closed the Automatic Door Locks vehicle will check for RKE The doors will lock automatically transmitters inside. If an RKE when all doors are closed, the transmitter is detected and the ignition is on, and the vehicle is number of RKE transmitters inside shifted out of P (Park). has not reduced, the driver door will unlock and the horn will sound three times. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

38 Keys, Doors, and Windows Manual Safety Locks To open a rear door when the safety Doors lock is on: 1. Unlock the door by activating Trunk the inside handle, by pressing the power door lock switch, or by using the Remote { Warning Keyless Entry (RKE) Exhaust gases can enter the transmitter. vehicle if it is driven with the 2. Open the door from the liftgate, trunk/hatch open, or with outside. any objects that pass through the When the safety lock is enabled, seal between the body and the adults and older children will not be trunk/hatch or liftgate. Engine able to open the rear door from the exhaust contains carbon monoxide (CO) which cannot be If equipped, the safety lock is on the inside. seen or smelled. It can cause inside edge of the rear doors. To To cancel the safety lock: unconsciousness and even death. use the safety lock: 1. Unlock the door and open it 1. Move the lever down to the from the outside. If the vehicle must be driven with the liftgate, or trunk/hatch open: lock position. 2. Move the lever up to unlock. . Close all of the windows. 2. Close the door. 3. Do the same for the other door. 3. Do the same for the other . Fully open the air outlets on rear door. or under the instrument panel. . Adjust the climate control system to a setting that brings in only outside air and set the fan speed to the (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Keys, Doors, and Windows 39

. To open the trunk, press | on Emergency Trunk Release Warning (Continued) the driver door when the vehicle Handle highest setting. See is off or in P (Park). “Climate Control Systems” . To open the trunk from outside in the Index. the vehicle, press X twice . If the vehicle has a power quickly on the Remote Keyless liftgate, disable the power Entry (RKE) transmitter. liftgate function. For more information about carbon monoxide, see Engine Exhaust 0 179.

Remote Trunk Release

Caution

Do not use the emergency trunk release handle as a tie-down or anchor point when securing items . Press the bottom of the emblem in the trunk as it could damage above the license plate when all the handle. doors are unlocked or when the transmitter is within 1 m (3 ft) of There is a glow-in-the-dark the rear of the vehicle. emergency trunk release handle on the trunk lid. This handle will glow following exposure to light. Pull the release handle to open the trunk from the inside. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

40 Keys, Doors, and Windows If equipped with a power trunk, the Vehicle Security On Solid : Vehicle is secured emergency trunk release handle will during the delay to arm the system. This vehicle has theft-deterrent power open the trunk. Fast Flash : Vehicle is unsecured. features; however, they do not make A door, the hood, or the trunk the vehicle impossible to steal. is open. Vehicle Alarm System Slow Flash : Alarm system is armed. This vehicle has an anti-theft alarm system. Arming the Alarm System 1. Turn off the vehicle. 2. Lock the vehicle in one of three ways: . Use the RKE transmitter. . Use the Keyless Access After pulling the emergency trunk system, if equipped. release handle, push the handle . With a door open, press Q back into the bezel. on the interior of the door. 3. After 30 seconds the alarm system will arm, and the indicator light will begin to The indicator light, on the slowly flash indicating the instrument panel near the alarm system is operating. windshield, indicates the status of Pressing Q on the RKE the system. transmitter a second time will Off : Alarm system is disarmed. bypass the 30-second delay and immediately arm the alarm system. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Keys, Doors, and Windows 41

The vehicle alarm system will not . Unlock the vehicle using the Immobilizer arm if the doors are locked with Keyless Access system, the key. if equipped. See Radio Frequency Statement 0 321. If the driver door is opened without . Start the vehicle. first unlocking with the RKE To avoid setting off the alarm by Immobilizer Operation transmitter, the horn will chirp and accident: the lights will flash to indicate This vehicle has a passive pre-alarm. If the vehicle is not . Lock the vehicle after all theft-deterrent system. occupants have left the vehicle started, or the door is not unlocked The system does not have to be and all doors are closed. by pressing K on the RKE manually armed or disarmed. transmitter during the 10-second . Always unlock a door with the The vehicle is automatically pre-alarm, the alarm will be RKE transmitter or use the immobilized when the transmitter activated. Keyless Access system. leaves the vehicle. The alarm will also be activated if a Unlocking the driver door with the The immobilization system is passenger door, the trunk, or the key will not disarm the alarm system disarmed when the ignition button is hood is opened without first or turn off the alarm. pressed and a valid transmitter is disarming the system. When the found in the vehicle. alarm is activated, the turn signals How to Detect a Tamper flash and the horn sounds for about Condition 30 seconds. The alarm system will If K is pressed on the transmitter then re-arm to monitor for the next and the horn chirps and the lights unauthorized event. flash three times, the alarm was Disarming the Alarm System activated while the system was armed. To disarm the alarm system or turn off the alarm if it has been activated, If the alarm has been activated, a The security light on the instrument do one of the following: message will appear on the DIC. cluster comes on when there is a See Security Messages 0 134. problem with arming or disarming . Press K on the RKE transmitter. the theft-deterrent system. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

42 Keys, Doors, and Windows The system has one or more If the vehicle does not start with the Exterior Mirrors transmitters matched to an other transmitter or when the immobilizer control unit in the transmitter is in the transmitter vehicle. Only a correctly matched pocket, the vehicle needs service. Convex Mirrors transmitter will start the vehicle. See your dealer who can service If the transmitter is ever damaged, the theft-deterrent system and have { Warning you may not be able to start the a new transmitter programmed to vehicle. the vehicle. A convex mirror can make things, like other vehicles, look farther When trying to start the vehicle, the Do not leave the transmitter or away than they really are. If you security light comes on briefly when device that disarms or deactivates cut too sharply into the right lane, the ignition is turned on. the theft-deterrent system in the vehicle. you could hit a vehicle on the If the vehicle does not start and the right. Check the inside mirror or security light stays on, there is a glance over your shoulder before problem with the system. Turn the changing lanes. vehicle off and try again.

If the RKE transmitter appears to be The passenger side mirror is convex undamaged, try another transmitter, shaped. A convex mirror's surface is or place the transmitter in the curved so more can be seen from transmitter pocket. See “Starting the the driver seat. Vehicle with a Low Transmitter Battery” under Remote Keyless Entry (RKE) System Operation 0 27. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Keys, Doors, and Windows 43

Power Mirrors Turn Signal Indicator Heated Mirrors The vehicle may have a turn signal If equipped with heated mirrors: indicator lamp built into the mirror housing. The turn signal lamp K : The rear window defogger also flashes when the turn signals or heats the outside mirrors. hazard flashers are used. See Dual Automatic Climate Control 0 Puddle Light System 155. The vehicle may have a puddle light Automatic Dimming on the mirror housings. The light will illuminate the ground when the door Mirror is opened. If equipped, the vehicle has an automatic dimming outside mirror(s). Folding Mirrors The mirror(s) will adjust for the glare of headlamps behind you. To adjust the mirrors: Manual Folding Mirrors 1. Press } or | to select the These mirrors can be folded inward driver or passenger mirror. to prevent damage when going 2. Press the control button below through an automatic car wash. To (left, right, up, or down) to fold, pull the mirror toward the adjust the mirror. vehicle. Push the mirror outward to return it to the original position. Vehicles with the memory feature can store a preferred mirror position. See Memory Seats 0 53. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

44 Keys, Doors, and Windows Reverse Tilt Mirrors Interior Mirrors Windows If equipped with memory seats, the passenger and/or driver mirror tilts Interior Rearview Mirrors { Warning to a preselected position when the Adjust the rearview mirror for a clear Never leave a child, a helpless vehicle is in R (Reverse). This view of the area behind the vehicle. allows the curb to be seen when adult, or a pet alone in a vehicle, parallel parking. Do not spray glass cleaner directly especially with the windows on the mirror. Use a soft towel closed in warm or hot weather. The mirror(s) return to the original dampened with water. position when: They can be overcome by the extreme heat and suffer . The vehicle is shifted out of Automatic Dimming permanent injuries or even death R (Reverse), or remains in Rearview Mirror from heat stroke. R (Reverse) for about 30 seconds. The rearview mirror automatically dims to reduce the glare of the . The ignition is turned off. headlamps from behind. This . The vehicle is driven in feature comes on when the vehicle R (Reverse) above a set speed. is started. To turn this feature on or off, see Vehicle Personalization 0 137.

The vehicle aerodynamics are designed to improve fuel economy performance. This may result in a Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Keys, Doors, and Windows 45

pulsing sound when either rear Rear Window Lockout window is down and the front windows are up. To reduce the sound, open either a front window or the sunroof, if equipped. Power Windows

{ Warning

Children could be seriously injured or killed if caught in the path of a closing window. Never The switches work when the ignition leave keys in a vehicle with is in ON/RUN or ACC/ children. When there are children ACCESSORY, or in Retained This feature prevents the rear in the rear seat, use the window Accessory Power (RAP). See passenger windows from operating, lockout button to prevent Retained Accessory Power except from the driver position. operation of the windows. See (RAP) 0 177. Keys 0 26. Press o on the driver door to Press or pull the switch to open or activate the rear window lockout close the window. switch. The windows will be temporarily The indicator light comes on when disabled if the window switches are activated. used repeatedly within a short time. Press o again to deactivate the lockout switch. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

46 Keys, Doors, and Windows

Express Window Operation or ice could cause the window to Programming the Power auto-reverse. The window will Windows operate as normal after the object or condition is removed. Programming may be necessary if the vehicle's battery has been Obstacle Detection Override disconnected or discharged. If the window is unable to express-up, { Warning program the window: 1. Close all doors. If obstacle detection override is activated, the window will not 2. Place the ignition in ACC/ reverse automatically. You or ACCESSORY or ON/RUN. others could be injured and the 3. Partially open the window to be window could be damaged. programmed, then close it and Before you use obstacle detection continue to pull the switch Windows with an express-up or override, make sure that all briefly after the window has down feature allow the front people and obstructions are clear fully closed. windows to be lowered or raised of the window path. without holding the switch. Rear 4. Press the power window switch windows only have express-down. until the window is fully open Pull a window switch up or press it The window can be closed by and briefly hold. down all the way, release it, and the holding the window switch in the up window goes down or up position if conditions prevent it from automatically. Stop the window by express closing. pressing or pulling the switch. Express Window Obstacle Detection The express-up feature will reverse window movement if it comes in contact with an object. Extreme cold Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Keys, Doors, and Windows 47 Sun Visors Rear Window Sunshade Roof Sunroof

Pull the sun visor down to block glare. Detach the sun visor from the center mount to pivot to the side window or, if equipped, extend If equipped, the rear window along the rod. sunshade button is on the overhead console. To open the sunshade, press and release. The sunshade 1. Sunroof Switch will fully extend. To close the 2. Power Sunshade sunshade, press and release the Switch (Rear) switch again. The sunshade will fully 3. Power Sunshade Switch close. (Sunroof) The sunshade only operates when On vehicles with a sunroof, the the ignition is in ON/RUN or ACC/ switches are on the overhead ACCESSORY. console. When shifting the vehicle into R (Reverse), the sunshade will automatically retract if it is extended. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

48 Keys, Doors, and Windows

The ignition must be on, in ACC/ Power Sunshade Switch (Sunroof) ACCESSORY, or Retained Accessory Power (RAP) must be Open/Close : Press C (3) to open active. See Retained Accessory the front sunshade. Press g (3) to Power (RAP) 0 177. close the front sunshade. Sunroof Switch Automatic Reversal System Express-Open/Express-Close : To The sunroof/sunshade is equipped express-open the sunroof, fully with an automatic reversal system press and release ~ (1). To that is only active when the sunroof/ Dirt and debris may collect on the express-close, fully press and sunshade is being operated in sunroof seal or in the track. This release g (1). To stop the sunroof express-close. If an object is in the could cause issues with sunroof path of the sunroof/sunshade while partway, press either switch a operation and noise. It could also it is express closing, the reversal second time. plug the water drainage system. system will detect the object and Periodically open the sunroof and The sunshade opens automatically stop. In the event of closing remove any obstacles or loose with the sunroof. difficulties like frost or other debris. Wipe the sunroof seal and Open/Close (Manual Mode) : To conditions, it is possible to override roof sealing area using a clean open the sunroof, press and hold the reversal system. To override the cloth, mild soap, and water. Do not ~ (1). To close the sunroof, press reversal system, close in manual remove grease from the sunroof. mode. To stop the movement, and hold g (1). To stop the If water is seen dripping into the release the switch. sunroof partway, release the switch. water drainage system, this is normal. The sunshade opens automatically with the sunroof. Vent : Press ~ (1) to vent the sunroof. Press g (1) to close the sunroof vent. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Seats and Restraints 49

Replacing Safety Belt System Replacing LATCH System Parts Seats and Parts after a Crash ...... 64 After a Crash ...... 90 Restraints Securing Child Restraints (With Airbag System the Safety Belt in the Airbag System ...... 65 Rear Seat) ...... 91 Where Are the Airbags? ...... 67 Securing Child Restraints (With Head Restraints When Should an Airbag Head Restraints ...... 50 the Safety Belt in the Inflate? ...... 68 Front Seat) ...... 93 Front Seats What Makes an Airbag Power Seat Adjustment ...... 51 Inflate? ...... 69 Lumbar Adjustment ...... 52 How Does an Airbag Reclining Seatbacks ...... 52 Restrain? ...... 69 Memory Seats ...... 53 What Will You See after an Heated and Ventilated Front Airbag Inflates? ...... 70 Seats ...... 55 Passenger Sensing System . . . 71 Massage ...... 55 Servicing the Airbag-Equipped Vehicle ...... 75 Rear Seats Adding Equipment to the Rear Seats ...... 56 Airbag-Equipped Vehicle . . . . . 75 Rear Seat Armrest ...... 58 Airbag System Check ...... 76 Replacing Airbag System Parts Safety Belts after a Crash ...... 76 Safety Belts ...... 58 How to Wear Safety Belts Child Restraints Properly ...... 59 Older Children ...... 77 Lap-Shoulder Belt ...... 60 Infants and Young Children . . . . 79 Safety Belt Use During Child Restraint Systems ...... 81 Pregnancy ...... 63 Where to Put the Restraint . . . . . 83 Safety Belt Extender ...... 63 Lower Anchors and Tethers for Safety System Check ...... 64 Children (LATCH System) . . . . 84 Safety Belt Care ...... 64 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

50 Seats and Restraints Head Restraints

{ 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 adjusted properly. Adjust the head restraint so that the To raise or lower the head restraint, If your vehicle has rear head top of the restraint is at the same press the button located on the side restraints that fold down, always height as the top of the occupant's of the head restraint, and pull up or return them to the full upright head. This position reduces the push the head restraint down and position whenever an occupant is chance of a neck injury in a crash. release the button. Pull and push on seated in the seat. the head restraint after the button is Front Seats released to make sure that it is The vehicle's front seats have locked in place. adjustable head restraints in the The front seat outboard head outboard seating positions. restraints are not removable. The height of the head restraint can be adjusted. Rear Seats The vehicle's rear seats have adjustable head restraints in the outboard seating positions. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Seats and Restraints 51 The height of the head restraint can Always adjust the head restraint so Front Seats be adjusted. Pull the head restraint that the top of the restraint is at the up to raise it. Try to move the head same height as the top of the restraint to make sure that it is occupant’s head. Power Seat Adjustment locked in place. If you are installing a child restraint { Warning in the rear seat, see “Securing a Child Restraint Designed for the You can lose control of the LATCH System” under Lower vehicle if you try to adjust a driver Anchors and Tethers for Children seat while the vehicle is moving. (LATCH System) 0 84. Adjust the driver seat only when the vehicle is not moving.

To lower the head restraint, press the button, located on the top of the seatback, and push the head restraint down. Try to move the head restraint after the button is released to make sure that it is locked in place. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

52 Seats and Restraints

To adjust the seat: Lumbar Adjustment Reclining Seatbacks . Move the seat forward or rearward by moving the control forward or rearward. . Raise or lower the front part of the seat cushion by moving the front of the control up or down. . Raise or lower the entire seat by moving the rear of the control up or down. Some vehicles are equipped with a feature that activates a vibration in the driver seat to help the driver Four-Way Shown, Two-Way avoid crashes. See Driver Similar Assistance Systems 0 201. { Warning To adjust the lumbar support, if equipped: Sitting in a reclined position when the vehicle is in motion can be . Press and hold the front or rear dangerous. Even when buckled of the control to increase or up, the safety belts cannot do decrease lumbar support. their job. . If equipped, press and hold the top or bottom of the control to The shoulder belt will not be raise or lower lumbar support. against your body. Instead, it will be in front of you. In a crash, you could go into it, receiving neck or other injuries. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Seats and Restraints 53

. Tilt the top of the control Storing Memory Positions Warning (Continued) rearward to recline. To store positions to the 1 and 2 The lap belt could go up over . Tilt the top of the control forward buttons: your abdomen. The belt forces to raise. 1. The ignition must be in ON/ would be there, not at your pelvic RUN or ACC/ACCESSORY. bones. This could cause serious Memory Seats 2. Adjust the driver seat, power tilt internal injuries. and telescoping steering For proper protection when the column (if equipped), and vehicle is in motion, have the outside mirrors. seatback upright. Then sit well 3. Press and release SET. A beep back in the seat and wear the will sound. safety belt properly. 4. Immediately press and hold 1 until two beeps sound. Power Reclining Seatbacks 5. Repeat Steps 1–4 for a second driver using 2. To store exit positions and easy exit features to the B (Exit) button, B If equipped, the SET, 1, 2, and repeat Steps 1–4 using B to store (Exit) buttons on the driver door are your positions for getting out of the used to manually store and recall vehicle. memory settings for the driver seat. The driver memory buttons also Manually Recalling Memory store outside mirror, and power tilt Positions and telescoping steering column (if Press and hold 1, 2, or B to equipped) positions. manually recall the previously stored memory positions. Releasing Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

54 Seats and Restraints

1, 2, or B before the stored If the vehicle’s driver has changed, Obstructions positions are reached stops the in some vehicles the Driver ID may If something has blocked the driver recall. be displayed for the next few seat while recalling a memory ignition cycles. Automatically Recalling Memory position, the recall may stop. Positions (Auto Memory Recall) Easy Exit Recall Remove the obstruction. Then do one of the following: If programmed in vehicle If programmed on in the vehicle personalization, the Auto personalization menu, the easy exit . If automatically or manually (Automatic) Memory Recall feature feature automatically recalls the recalling the stored memory automatically recalls the current previously stored exit positions position, press and hold the appropriate manual control for driver’s previously stored 1 or 2 when leaving the vehicle. See position when the ignition is “Storing Memory Positions” earlier in two seconds. Try recalling again changed from OFF to ON/RUN or this section. See also Vehicle by pressing the appropriate 0 ACC/ACCESSORY. Personalization 137. memory button. If automatically recalling the position, try See “Auto Memory Recall” under Easy exit recall automatically recalling again by opening the “Comfort and Convenience” in activates when one of the following K 0 occurs: driver door and pressing on Vehicle Personalization 137. the RKE transmitter. To stop recall movement, press one . The vehicle is turned off and the . If recalling the exit position, of the memory, power mirror, driver door is opened within a short time. press and hold the appropriate or power seat controls; or press the manual control for the exit power tilt and telescoping steering . The vehicle is turned off with the feature not recalling for column control (if equipped). driver door open. two seconds. Then try recalling RKE transmitters are not labeled To stop recall movement, press one the exit position again. with a number. If your memory seat of the memory, power mirror, If the memory position is still not position is stored to 1 or 2 but this or power seat controls; or press the recalling, see your dealer for position is not automatically power tilt and telescoping steering service. recalling, then store your positions column control (if equipped). to the other button or switch RKE transmitters with the other driver. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Seats and Restraints 55

Heated and Ventilated Press C or {, if equipped, to The heated or ventilated seat Front Seats ventilate the driver or passenger indicator lights do not turn on during seat. A ventilated seat has a fan a remote start. that pulls or pushes air through the The temperature performance of an seat. The air is not cooled. unoccupied seat may be reduced. Press the button once for the This is normal. highest setting. With each press of The heated or ventilated seats may the button, the seat will change to be enabled or disabled in the the next lower setting, and then to vehicle personalization menu. See the off setting. The lights near the Remote Vehicle Start 0 33 and heated or ventilated seat symbol on Vehicle Personalization 0 137. the button indicate three for the highest setting and one for the Massage lowest. If equipped, the ignition must be on Heated and Ventilated Seat Remote Start Heated and to use the massage feature. Buttons Shown, Heated Seat Ventilated Seats Buttons Similar During a remote start, the heated or If equipped, the buttons are near the ventilated seats, if equipped, can be climate controls on the center stack. turned on automatically. When it is To operate, the ignition must be in cold outside, the heated seats turn ON/RUN. on, and when it is hot outside the ventilated seats turn on. The heated Press M or L to heat the driver or or ventilated seats are canceled passenger seat cushion. when the ignition is turned on. Press the heated or ventilated seat button to use the heated or ventilated seats after the vehicle is started. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

56 Seats and Restraints If equipped, press the massage Rear Seats seat; for example, if a child entered button to use the massage feature. the vehicle through the rear door To stop massage, press this button Rear Seat Reminder and left the vehicle without the again. vehicle being shut off. Look in Rear Seat Reminder The massage feature will turn off Feature The feature can be turned on after approximately 10 minutes. or off through Vehicle Press the massage button to restart This message displays under Personalization 0 137. the massage feature. certain conditions indicating there may be an item or passenger in the Folding Seatbacks rear seat. Check before exiting the Either side of the rear seatback can vehicle. be folded for more cargo space. This feature will activate when a second row door is opened while Caution the vehicle is on or up to 10 minutes before the vehicle is turned on, Folding a rear seat with the safety including if the vehicle was started belts still fastened may cause remotely. There will be an alert damage to the seat or the safety when the vehicle is turned off. The belts. Always unbuckle the safety alert does not directly detect objects belts and return them to their in the rear seat; instead, under normal stowed position before certain conditions, it detects when a folding a rear seat. rear door is opened and closed, indicating that there may be something in the rear seat. To fold the rear seatbacks: The feature is active only once each 1. Lower the rear head restraints. time the vehicle is turned on and off, See Head Restraints 0 50. and will require reactivation by opening and closing the second row doors. There may be an alert even when there is nothing in the rear Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Seats and Restraints 57

Warning (Continued)

seriously injured. After raising the rear seatback, always check to be sure that the safety belts are properly routed and attached, and are not twisted.

1. Lift the seatback up and push it rearward until it latches into place. Keep the safety belts 2. Disconnect the rear safety belt 4. Pull the release cable in the clear of the seatback and mini-latch, using a key in the trunk to fold the rear untwisted. slot on the mini-buckle. seatback down. 5. Fold the seatback forward. { Warning 6. Repeat Steps 4 and 5 for the If the seatback is not locked, it other seatback, if necessary. could move forward in a sudden To raise the seatback: stop or crash. That could cause injury to the person sitting there. { Warning Always pull forward on the top of the seatback at the area of the A safety belt that is improperly latch to be sure it is locked. routed, not properly attached, or twisted will not provide the 2. Push and pull on the seatback protection needed in a crash. The to make sure it is locked into person wearing the belt could be 3. Let the belt retract. position. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

58 Seats and Restraints Rear Seat Armrest Safety Belts This section describes how to use safety belts properly, and some things not to do.

{ Warning

Do not let anyone ride where a safety belt cannot be worn properly. In a crash, if you or your passenger(s) are not wearing 3. Reconnect the rear safety belt safety belts, injuries can be much mini-latch to the mini-buckle. worse than if you are wearing Do not let it twist. safety belts. You can be seriously The rear seat has an armrest in the injured or killed by hitting things 4. Repeat Steps 1 and 2 for the center of the seatback. Lower the inside the vehicle harder or by other seatback, if necessary armrest to access the two cupholders and the storage area. being ejected from the vehicle. In Keep the seat in the upright locked addition, anyone who is not position when not in use. To fold, lift the armrest up and push buckled up can strike other it rearward until it is flush with the passengers in the vehicle. seatback. 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) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Seats and Restraints 59

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 safety 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 safety belts. instrument panel, or the safety belts! safety belts — not instead of Always wear a safety belt, and When you wear a safety belt, you them. Whether or not an airbag check that all passenger(s) are and the vehicle slow down together. is provided, all occupants still restrained properly too. There is more time to stop because have to buckle up to get the you stop over a longer distance and, most protection. This vehicle has indicators as a when worn properly, your strongest Also, in nearly all states and in reminder to buckle the safety belts. bones take the forces from the all Canadian provinces, the law See Safety Belt Reminders 0 111. safety belts. That is why wearing requires wearing safety belts. safety belts makes such good Why Safety Belts Work sense. How to Wear Safety Belts Questions and Answers About Properly Safety Belts This section is only for people of Q: Will I be trapped in the vehicle adult size. after a crash if I am wearing a There are special things to know safety belt? about safety belts and children, and A: You could be — whether you are there are different rules for smaller wearing a safety belt or not. children and infants. If a child will be Your chance of being conscious riding in the vehicle, see Older during and after a crash, so you Children 0 77 or Infants and Young can unbuckle and get out, is Children 0 79. Follow those rules for much greater if you are belted. everyone's protection. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

60 Seats and Restraints

It is very important for all occupants pelvic bones and you would be Lap-Shoulder Belt to buckle up. Statistics show that less likely to slide under the lap unbelted people are hurt more often belt. If you slid under it, the belt All seating positions in the vehicle in crashes than those who are would apply force on your have a lap-shoulder belt. wearing safety belts. abdomen. This could cause If you are using a rear seating There are important things to know serious or even fatal injuries. position with a detachable safety about wearing a safety belt properly. . Wear the shoulder belt over the belt and the safety belt is not 0 shoulder and across the chest. attached, see Rear Seats 56 for These parts of the body are best instructions on reconnecting the able to take belt restraining safety belt to the mini-buckle. forces. The shoulder belt locks if The following instructions explain there is a sudden stop or crash. how to wear a lap-shoulder belt properly. { Warning 1. Adjust the seat, if the seat is adjustable, so you can sit up You can be seriously injured, straight. To see how, see or even killed, by not wearing “Seats” in the Index. your safety belt properly. . Never allow the lap or shoulder belt to become . Sit up straight and always keep loose or twisted. your feet on the floor in front of you. . Never wear the shoulder belt under both arms or . Always use the correct buckle behind your back. for your seating position. . Never route the lap or . Wear the lap part of the belt low shoulder belt over an and snug on the hips, just armrest. touching the thighs. In a crash, this applies force to the strong Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Seats and Restraints 61

Engaging the child restraint Position the release button on locking feature in the front the buckle so that the safety outboard seating position may belt could be quickly unbuckled affect the passenger sensing if necessary. system. See Passenger 0 4. If equipped with a shoulder belt Sensing System 71. height adjuster, move it to the height that is right for you. See “Shoulder Belt Height Adjuster” later in this section for instructions on use and important safety information.

2. Pick up the latch plate and pull 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 the belt go back slightly to unlock it. Then pull the belt 3. Push the latch plate into the across you more slowly. buckle until it clicks. If the shoulder portion of a If the latch plate will not go fully passenger belt is pulled out all into the buckle, check if the the way, the child restraint correct buckle is being used. locking feature may be Pull up on the latch plate to 5. To make the lap part tight, pull engaged. If this happens, let make sure it is secure. If the up on the shoulder belt. the belt go back all the way belt is not long enough, see and start again. Safety Belt Extender 0 63. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

62 Seats and Restraints

Before a door is closed, be sure the safety belt is out of the way. If a door is slammed against a safety belt, damage can occur to both the safety belt and the vehicle. Shoulder Belt Height Adjuster The vehicle has a shoulder belt height adjuster for the driver and front outboard passenger seating positions. Adjust the height so the shoulder To unlatch the belt, push the button portion of the belt is on the shoulder Press the release button and move on the buckle. The belt should and not falling off of it. The belt the height adjuster to the desired return to its stowed position. should be close to, but not position. The adjuster can be moved contacting, the neck. Improper Always stow the safety belt slowly. up by pushing the slide/trim up. shoulder belt height adjustment If the safety belt webbing returns After the adjuster is set to the could reduce the effectiveness of quickly to the stowed position, the desired position, try to move it down the safety belt in a crash. See How retractor may lock and cannot be without pushing the release button to Wear Safety Belts Properly 0 59. pulled out. If this happens, pull the to make sure it has locked into safety belt straight out firmly to position. unlock the webbing, and then Safety Belt Pretensioners release it. If the webbing is still locked in the retractor, see your This vehicle has safety belt dealer. pretensioners for front outboard occupants. Although the safety belt pretensioners cannot be seen, they are part of the safety belt assembly. They can help tighten the safety belts during the early stages of a Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Seats and Restraints 63

moderate to severe frontal, near shoulder belt, the comfort guide A pregnant woman should wear a frontal, or rear crash if the threshold positions the shoulder belt away lap-shoulder belt, and the lap conditions for pretensioner from the neck and head. portion should be worn as low as activation are met. Safety belt Comfort guides are available possible, below the rounding, pretensioners can also help tighten through your dealer for the rear throughout the pregnancy. the safety belts in a side crash or a outboard seating positions. The best way to protect the fetus is rollover event. Instructions are included with the to protect the mother. When a safety Pretensioners work only once. If the guide. belt is worn properly, it is more likely pretensioners activate in a crash, that the fetus will not be hurt in a the pretensioners and probably Safety Belt Use During crash. For pregnant women, as for other parts of the vehicle's safety Pregnancy anyone, the key to making safety belt system will need to be replaced. belts effective is wearing them See Replacing Safety Belt System Safety belts work for everyone, properly. Parts after a Crash 0 64. including pregnant women. Like all occupants, they are more likely to Do not sit on the outboard safety Safety Belt Extender be seriously injured if they do not belt while entering or exiting the wear safety belts. If the vehicle's safety belt will fasten vehicle or at any time while sitting in around you, you should use it. the seat. Sitting on the safety belt can damage the webbing and But if a safety belt is not long hardware. enough, your dealer will order you an extender. When you go in to Rear Safety Belt Comfort order it, take the heaviest coat you Guides will wear, so the extender will be long enough for you. To help avoid Rear safety belt comfort guides may personal injury, do not let someone provide added safety belt comfort else use it, and use it only for the for older children who have seat it is made to fit. The extender outgrown booster seats and for has been designed for adults. Never some adults. When installed on a use it for securing child restraints. To wear it, attach it to the regular Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

64 Seats and Restraints

safety belt. For more information, Replacing Safety Belt see the instruction sheet that comes { Warning with the extender. System Parts after a Do not bleach or dye safety belt Crash Safety System Check webbing. It may severely weaken the webbing. In a crash, they { Warning Check that the safety belt reminder, might not be able to provide safety belts, buckles, latch plates, adequate protection. Clean and A crash can damage the safety and retractors, are all working rinse safety belt webbing only belt system in the vehicle. properly. Look for any other loose or with mild soap and lukewarm A damaged safety belt system damaged safety belt system parts water. Allow the webbing to dry. that might keep a safety belt system may not properly protect the from performing properly. See your person using it, resulting in dealer to have it repaired. Torn or Safety belts should be properly serious injury or even death in a frayed safety belts may not protect cared for and maintained. crash. To help make sure the safety belt systems are working you in a crash. They can rip apart Safety belt hardware should be kept under impact forces. If a belt is torn dry and free of dust or debris. As properly after a crash, have them or frayed, have it replaced necessary exterior hard surfaces inspected and any necessary immediately. and safety belt webbing may be replacements made as soon as possible. Make sure the safety belt reminder lightly cleaned with mild soap and light is working. See Safety Belt water. Ensure there is not excessive Reminders 0 111. dust or debris in the mechanism. After a minor crash, replacement of If dust or debris exists in the system safety belts may not be necessary. Keep safety belts clean and dry. please see the dealer. Parts may See Safety Belt Care 0 64. But the safety belt assemblies that need to be replaced to ensure were used during any crash may proper functionality of the system. have been stressed or damaged. Safety Belt Care See your dealer to have the safety Keep belts clean and dry. belt assemblies inspected or replaced. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Seats and Restraints 65 New parts and repairs may be Airbag System All vehicle airbags have the word necessary even if the safety belt AIRBAG on the trim or on a label system was not being used at the The vehicle has the following near the deployment opening. airbags: time of the crash. For frontal airbags, the word Have the safety belt pretensioners . A frontal airbag for the driver. AIRBAG is on the center of the checked if the vehicle has been in a . A frontal airbag for the front steering wheel for the driver and on crash, or if the airbag readiness light outboard passenger. the instrument panel for the front stays on after you start the vehicle outboard passenger. or while you are driving. See Airbag . A knee airbag for the driver. 0 For knee airbags, the word AIRBAG Readiness Light 112. . A knee airbag for the front is on the lower part of the outboard passenger. instrument panel. . A seat-mounted side impact For seat-mounted side impact airbag for the driver. airbags, the word AIRBAG is on the . A seat-mounted side impact side of the seat closest to the door. airbag for the front outboard For roof-rail airbags, the word passenger. AIRBAG is on the ceiling or trim. . Seat-mounted side impact Airbags are designed to supplement airbags for the second row the protection provided by safety outboard passengers. belts. Even though today's airbags . A roof-rail airbag for the driver are also designed to help reduce and the passenger seated the risk of injury from the force of an directly behind the driver. inflating bag, all airbags must inflate very quickly to do their job. . A roof-rail airbag for the front outboard passenger and the passenger seated directly behind the front outboard passenger. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

66 Seats and Restraints

Here are the most important things to know about the airbag system: { Warning { Warning Because airbags inflate with great Children who are up against, { Warning force and faster than the blink of or very close to, any airbag when You can be severely injured or an eye, anyone who is up it inflates can be seriously injured killed in a crash if you are not against, or very close to any or killed. Always secure children wearing your safety belt, even airbag when it inflates can be properly in the vehicle. To read 0 with airbags. Airbags are seriously injured or killed. Do not how, see Older Children 77 or 0 designed to work with safety sit unnecessarily close to any Infants and Young Children 79. belts, not replace them. Also, airbag, as you would be if sitting airbags are not designed to inflate on the edge of the seat or leaning in every crash. In some crashes forward. Safety belts help keep safety belts are the only restraint. you in position before and during See When Should an Airbag a crash. Always wear a safety Inflate? 0 68. belt, even with airbags. The driver should sit as far back as possible Wearing your safety belt during a while still maintaining control of crash helps reduce your chance the vehicle. The safety belts and There is an airbag readiness light of hitting things inside the vehicle the front outboard passenger on the instrument cluster, which or being ejected from it. Airbags airbags are most effective when shows the airbag symbol. The are “supplemental restraints” to you are sitting well back and system checks the airbag electrical the safety belts. Everyone in the upright in the seat with both feet system for malfunctions. The light vehicle should wear a safety belt on the floor. tells you if there is an electrical properly, whether or not there is problem. See Airbag Readiness an airbag for that person. Occupants should not lean on or Light 0 112 for more information. sleep against the door or side windows in seating positions with seat-mounted side impact airbags and/or roof-rail airbags. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Seats and Restraints 67

Where Are the Airbags?

The driver knee airbag is below the Driver Side Shown, Passenger steering column. The front outboard Side Similar The driver frontal airbag is in the passenger knee airbag is below the The driver and front outboard center of the steering wheel. glove box. passenger seat-mounted side impact airbags are in the side of the The front outboard passenger seatbacks closest to the door. frontal airbag is in the passenger side instrument panel. The roof-rail airbags for the driver, front outboard passenger, and second row outboard passengers are in the ceiling above the side windows. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

68 Seats and Restraints

predict how severe a crash is likely Warning (Continued) to be in time for the airbags to inflate and help restrain the clear. Do not put anything occupants. The vehicle has between an occupant and an electronic sensors that help the airbag, and do not attach or put airbag system determine the anything on the steering wheel severity of the impact. Deployment hub or on or near any other thresholds can vary with specific airbag covering. vehicle design. Do not use seat accessories that Frontal airbags are designed to block the inflation path of a inflate in moderate to severe frontal seat-mounted side impact airbag. or near frontal crashes to help Rear Seat Driver Side Shown, reduce the potential for severe Never secure anything to the roof Passenger Side Similar injuries, mainly to the driver's or of a vehicle with roof-rail airbags front outboard passenger's head On vehicles with second row by routing a rope or tie‐down and chest. seat-mounted side impact airbags, through any door or window they are in the sides of the seatback opening. If you do, the path of an Whether the frontal airbags will or closest to the door. inflating roof-rail airbag will be should inflate is not based primarily blocked. on how fast the vehicle is traveling. { Warning It depends on what is hit, the direction of the impact, and how If something is between an When Should an Airbag quickly the vehicle slows down. occupant and an airbag, the Inflate? Frontal airbags may inflate at airbag might not inflate properly different crash speeds depending on This vehicle is equipped with or it might force the object into whether the vehicle hits an object airbags. See Airbag System 0 65. that person causing severe injury straight on or at an angle, and Airbags are designed to inflate if the or even death. The path of an whether the object is fixed or impact exceeds the specific airbag inflating airbag must be kept moving, rigid or deformable, narrow system's deployment threshold. or wide. (Continued) Deployment thresholds are used to Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Frontal airbags are not intended to of the impact. In addition, these How Does an Airbag inflate during vehicle rollovers, in roof-rail airbags are designed to rear impacts, or in many side inflate during a rollover or in a Restrain? impacts. severe frontal impact. Roof-rail In moderate to severe frontal or In addition, the vehicle has airbags are not designed to inflate in near frontal collisions, even belted advanced technology frontal rear impacts. Both roof-rail airbags occupants can contact the steering airbags. Advanced technology will inflate when either side of the wheel or the instrument panel. In frontal airbags adjust the restraint vehicle is struck, if the sensing moderate to severe side collisions, according to crash severity. system predicts that the vehicle is even belted occupants can contact about to roll over on its side, or in a the inside of the vehicle. Knee airbags are designed to inflate severe frontal impact. in moderate to severe frontal or Airbags supplement the protection near frontal impacts. Knee airbags In any particular crash, no one can provided by safety belts by are not designed to inflate during say whether an airbag should have distributing the force of the impact vehicle rollovers, in rear impacts, inflated simply because of the more evenly over the or in many side impacts. vehicle damage or repair costs. occupant's body. Seat-mounted side impact airbags What Makes an Airbag Rollover capable roof-rail airbags are designed to inflate in moderate are designed to help contain the to severe side crashes depending Inflate? head and chest of occupants in the outboard seating positions in the on the location of the impact. In a deployment event, the sensing first and second rows. The rollover Seat-mounted side impact airbags system sends an electrical signal capable roof-rail airbags are are not designed to inflate in frontal triggering a release of gas from the designed to help reduce the risk of impacts, near frontal impacts, inflator. Gas from the inflator fills the full or partial ejection in rollover rollovers, or rear impacts. airbag causing the bag to break out events, although no system can A seat-mounted side impact airbag of the cover. The inflator, the airbag, prevent all such ejections. is designed to inflate on the side of and related hardware are all part of the vehicle that is struck. the airbag module. Roof-rail airbags are designed to For airbag locations, see Where Are inflate in moderate to severe side the Airbags? 0 67. crashes depending on the location Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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But airbags would not help in many prevent the driver from seeing out of The feature may also activate, types of collisions, primarily the windshield or being able to steer without airbag inflation, after an because the occupant's motion is the vehicle, nor does it prevent event that exceeds a predetermined not toward those airbags. See When people from leaving the vehicle. threshold. You can lock the doors, Should an Airbag Inflate? 0 68. turn off the interior lamps, and turn Airbags should never be regarded { Warning off the hazard warning flashers by as anything more than a supplement using the controls for those to safety belts. When an airbag inflates, there features. may be dust in the air. This dust What Will You See after could cause breathing problems { Warning for people with a history of an Airbag Inflates? asthma or other breathing trouble. A crash severe enough to inflate After the frontal, knee, and To avoid this, everyone in the the airbags may have also seat-mounted side impact airbags vehicle should get out as soon as damaged important functions in inflate, they quickly deflate, so it is safe to do so. If you have the vehicle, such as the fuel quickly that some people may not breathing problems but cannot system, brake and steering even realize an airbag inflated. get out of the vehicle after an systems, etc. Even if the vehicle Roof-rail airbags may still be at least airbag inflates, then get fresh air appears to be drivable after a partially inflated for some time after by opening a window or a door. moderate crash, there may be they inflate. Some components of If you experience breathing concealed damage that could the airbag module may be hot for problems following an airbag make it difficult to safely operate several minutes. For location of the deployment, you should seek the vehicle. airbags, see Where Are the medical attention. Airbags? 0 67. Use caution if you should attempt to restart the engine after a crash The parts of the airbag that come The vehicle has a feature that may has occurred. into contact with you may be warm, automatically unlock the doors, turn but not too hot to touch. There may on the interior lamps and hazard be some smoke and dust coming In many crashes severe enough to warning flashers, and shut off the from the vents in the deflated inflate the airbag, windshields are fuel system after the airbags inflate. airbags. Airbag inflation does not broken by vehicle deformation. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Additional windshield breakage may Passenger Sensing The passenger sensing system also occur from the front outboard works with sensors that are part of passenger airbag. System the front outboard passenger seat . Airbags are designed to inflate The vehicle has a passenger and safety belt. The sensors are only once. After an airbag sensing system for the front designed to detect the presence of inflates, you will need some new outboard passenger position. The a properly seated occupant and parts for the airbag system. passenger airbag status indicator determine if the front outboard If you do not get them, the will light on the overhead console passenger frontal airbag and knee airbag system will not be there when the vehicle is started. airbag should be allowed to inflate to help protect you in another or not. crash. A new system will include According to accident statistics, airbag modules and possibly children are safer when properly other parts. The service manual secured in a rear seat in the correct for the vehicle covers the need child restraint for their weight to replace other parts. and size. . The vehicle has a crash sensing Whenever possible, children age and diagnostic module which The words ON and OFF will be 12 and under should be secured in records information after a visible during the system check. a rear seating position. crash. See Vehicle Data When the system check is 0 complete, either the word ON or Never put a rear-facing child seat in Recording and Privacy 323 the front. This is because the risk to and Event Data OFF will be visible. See Passenger 0 Airbag Status Indicator 0 112. the rear-facing child is so great, Recorders 323. if the airbag inflates. . Let only qualified technicians The passenger sensing system work on the airbag systems. turns off the front outboard Improper service can mean that passenger frontal airbag and knee an airbag system will not work airbag under certain conditions. No properly. See your dealer for other airbag is affected by the service. passenger sensing system. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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When the passenger sensing { Warning Warning (Continued) system has turned off the front outboard passenger frontal airbag A child in a rear-facing child the front outboard passenger and knee airbag, the off indicator restraint can be seriously injured seat, always move the seat as far will light and stay lit as a reminder or killed if the passenger frontal back as it will go. It is better to that the airbags are off. See airbag inflates. This is because secure child restraints in the rear Passenger Airbag Status the back of the rear-facing child seat. Consider using another Indicator 0 112. restraint would be very close to vehicle to transport the child The passenger sensing system is the inflating airbag. A child in a when a rear seat is not available. designed to turn on the front forward-facing child restraint can outboard passenger frontal airbag be seriously injured or killed if the The passenger sensing system is and knee airbag anytime the system passenger frontal airbag inflates designed to turn off the front senses that a person of adult size is and the passenger seat is in a outboard passenger frontal airbag sitting properly in the front outboard forward position. and knee airbag if: passenger seat. When the Even if the passenger sensing . The front outboard passenger passenger sensing system has system has turned off the front seat is unoccupied. allowed the airbag(s) to be enabled, outboard passenger airbag(s), no the on indicator will light and stay lit . The system determines that an system is fail-safe. No one can as a reminder that the airbag(s) are infant is present in a child active. guarantee that an airbag will not restraint. deploy under some unusual For some children, including circumstance, even though the . A front outboard passenger children in child restraints and for airbag(s) are off. takes his/her weight off of the very small adults, the passenger seat for a period of time. sensing system may or may not turn Never put a rear-facing child . There is a critical problem with off the front outboard passenger restraint in the front seat, even if frontal airbag and knee airbag, the airbag is off. If securing a the airbag system or the passenger sensing system. depending upon the person's forward-facing child restraint in seating posture and body build. (Continued) Everyone in the vehicle who has outgrown child restraints should Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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wear a safety belt properly — 2. Remove the child restraint from lit, turn the vehicle off. Then whether or not there is an airbag for the vehicle. slightly recline the vehicle that person. 3. Remove any additional items seatback and adjust the seat from the seat such as blankets, cushion, if adjustable, to make { Warning cushions, seat covers, seat sure that the vehicle seatback heaters, or seat massagers. is not pushing the child If the airbag readiness light ever restraint into the seat cushion. 4. Reinstall the child restraint comes on and stays on, it means Also make sure the child that something may be wrong following the directions provided by the child restraint restraint is not trapped under with the airbag system. To help the vehicle head restraint. avoid injury to yourself or others, manufacturer and refer to Securing Child Restraints (With If this happens, adjust the head have the vehicle serviced right the Safety Belt in the Rear restraint. See Head away. See Airbag Readiness 0 Restraints 0 50. 0 Seat) 91 or Securing Child Light 112 for more information, Restraints (With the Safety Belt 6. Restart the vehicle. including important safety in the Front Seat) 0 93. information. The passenger sensing system may Make sure the safety belt or may not turn off the airbags for a retractor is locked by pulling child in a child restraint depending If the On Indicator Is Lit for a the shoulder belt all the way upon the child's size. It is better to Child Restraint out of the retractor when secure the child restraint in a rear The passenger sensing system is installing the child restraint, seat. Never put a rear-facing child designed to turn off the front even if the child restraint is restraint in the front seat, even if the outboard passenger frontal airbag equipped with a safety belt on indicator is not lit. and knee airbag if the system lock-off. When the retractor determines that an infant is present lock is set, the belt can be in a child restraint. If a child restraint tightened but not pulled out of has been installed and the on the retractor. indicator is lit: 5. If, after reinstalling the child 1. Turn the vehicle off. restraint and restarting the vehicle, the on indicator is still Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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If the Off Indicator Is Lit for an 2. Remove any additional material Adult-Sized Occupant from the seat, such as { Warning blankets, cushions, seat covers, seat heaters, or seat If the front outboard passenger massagers. airbag is turned off for an adult-sized occupant, the airbag 3. Place the seatback in the fully will not be able to inflate and help upright position. protect that person in a crash, 4. Have the person sit upright in resulting in an increased risk of the seat, centered on the seat serious injury or even death. An cushion, with legs comfortably adult-sized occupant should not extended. ride in the front outboard 5. If the shoulder portion of the passenger seat, if the passenger belt is pulled out all the way, airbag off indicator is lit. the child restraint locking feature will be engaged. This If a person of adult size is sitting in Additional Factors Affecting may unintentionally cause the the front outboard passenger seat, System Operation passenger sensing system to but the off indicator is lit, it could be turn the airbag off for some Safety belts help keep the because that person is not sitting adult-sized occupants. If this passenger in position on the seat properly in the seat or that the child happens, unbuckle the belt, let during vehicle maneuvers and restraint locking feature is engaged. the belt go back all the way, braking, which helps the passenger Use the following steps to allow the and then buckle the belt again sensing system maintain the system to detect that person and without pulling the belt out all passenger airbag status. See enable the front outboard passenger the way. “Safety Belts” and “Child Restraints” frontal airbag and knee airbag: in the Index for additional 6. Restart the vehicle and have 1. Turn the vehicle off. information about the importance of the person remain in this proper restraint use. position for two to three minutes after the on indicator is lit. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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A thick layer of additional material, such as a blanket or cushion, Warning (Continued) Warning (Continued) or aftermarket equipment such as seat covers, seat heaters, and seat seatback may interfere with the are close to an airbag when it massagers can affect how well the proper operation of the passenger inflates. Avoid yellow connectors. passenger sensing system sensing system. They are probably part of the operates. We recommend that you airbag system. Be sure to follow not use seat covers or other Servicing the proper service procedures, and aftermarket equipment except when make sure the person performing approved by GM for your specific Airbag-Equipped Vehicle work for you is qualified to do so. vehicle. See Adding Equipment to Airbags affect how the vehicle 0 the Airbag-Equipped Vehicle 75 should be serviced. There are parts Adding Equipment to the for more information about of the airbag system in several modifications that can affect how places around the vehicle. Your Airbag-Equipped Vehicle the system operates. dealer and the service manual have Adding accessories that change the The on indicator may be lit if an information about servicing the vehicle's frame, bumper system, object, such as a briefcase, vehicle and the airbag system. To height, front end, or side sheet handbag, grocery bag, laptop, purchase a service manual, see metal may keep the airbag system or other electronic device is put on Service Publications Ordering from working properly. The an unoccupied seat. If this is not Information 0 320. operation of the airbag system can desired remove the object from also be affected by changing any the seat. { Warning parts of the front seats, safety belts, airbag sensing and diagnostic { Warning For up to 10 seconds after the module, steering wheel, instrument vehicle is turned off and the panel, any of the airbag modules, Stowing of articles under the battery is disconnected, an airbag ceiling or pillar garnish trim, passenger seat or between the can still inflate during improper overhead console, front sensors, passenger seat cushion and service. You can be injured if you side impact sensors, or airbag wiring. (Continued) (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Your dealer and the service manual If the vehicle has rollover roof-rail have information about the location airbags, see Different Size Tires Caution (Continued) of the airbag sensors, sensing and and Wheels 0 269 for additional diagnostic module, and airbag important information. open or break the airbag wiring. coverings. If there are any If you have to modify your vehicle opened or broken airbag In addition, the vehicle has a because you have a disability and coverings, have the airbag passenger sensing system for the you have questions about whether covering and/or airbag module front outboard passenger position, the modifications will affect the replaced. For the location of the which includes sensors that are part vehicle's airbag system, or if you airbags, see Where Are the of the passenger seat. The have questions about whether the Airbags? 0 67. See your dealer passenger sensing system may not airbag system will be affected if the operate properly if the original seat vehicle is modified for any other for service. trim is replaced with non-GM reason, call Customer Assistance. covers, upholstery, or trim, or with See Customer Assistance Replacing Airbag System GM covers, upholstery, or trim Offices 0 313. designed for a different vehicle. Any Parts after a Crash object, such as an aftermarket seat Airbag System Check heater or a comfort enhancing pad { Warning or device, installed under or on top The airbag system does not need of the seat fabric, could also regularly scheduled maintenance or A crash can damage the airbag interfere with the operation of the replacement. Make sure the airbag systems in the vehicle. passenger sensing system. This readiness light is working. See A damaged airbag system may 0 could either prevent proper Airbag Readiness Light 112. not properly protect you and your deployment of the passenger passenger(s) in a crash, resulting airbag(s) or prevent the passenger Caution in serious injury or even death. To sensing system from properly help make sure the airbag turning off the passenger airbag(s). If an airbag covering is damaged, systems are working properly See Passenger Sensing opened, or broken, the airbag after a crash, have them System 0 71. may not work properly. Do not (Continued) (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Seats and Restraints 77 Child Restraints The manufacturer instructions that Warning (Continued) come with the booster seat state the weight and height limitations for that inspected and any necessary Older Children booster. Use a booster seat with a replacements made as soon as lap-shoulder belt until the child possible. passes the fit test below: . Sit all the way back on the seat. If an airbag inflates, you will need to Do the knees bend at the seat replace airbag system parts. See edge? If yes, continue. If no, your dealer for service. return to the booster seat. If the airbag readiness light stays on . Buckle the lap-shoulder belt. after the vehicle is started or comes Does the shoulder belt rest on on when you are driving, the airbag the shoulder? If yes, continue. system may not work properly. Have If no, try using the rear safety the vehicle serviced right away. See belt comfort guide, if available. 0 Airbag Readiness Light 112. See “Rear Safety Belt Comfort Guides under Lap-Shoulder Belt Older children who have outgrown ” 0 60. If a comfort guide is not booster seats should wear the available, or if the shoulder belt vehicle s safety belts. ’ still does not rest on the shoulder, then return to the booster seat. . Does the lap belt fit low and snug on the hips, touching the thighs? If yes, continue. If no, return to the booster seat. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

78 Seats and Restraints

. Can proper safety belt fit be In a crash, children who are not maintained for the length of the buckled up can strike other people trip? If yes, continue. If no, who are buckled up, or can be return to the booster seat. thrown out of the vehicle. Older Q: What is the proper way to children need to use safety belts wear safety belts? properly. A: An older child should wear a { Warning lap-shoulder belt and get the additional restraint a shoulder Never allow more than one child belt can provide. The shoulder to wear the same safety belt. The belt should not cross the face or safety belt cannot properly spread neck. The lap belt should fit the impact forces. In a crash, they snugly below the hips, just can be crushed together and { Warning touching the top of the thighs. seriously injured. A safety belt This applies belt force to the must be used by only one person Never allow a child to wear the child's pelvic bones in a crash. at a time. safety belt with the shoulder belt It should never be worn over the behind their back. A child can be abdomen, which could cause seriously injured by not wearing severe or even fatal internal the lap-shoulder belt properly. In a injuries in a crash. crash, the child would not be Also see “Rear Safety Belt Comfort restrained by the shoulder belt. Guides” under Lap-Shoulder The child could move too far Belt 0 60. forward increasing the chance of According to accident statistics, head and neck injury. The child children are safer when properly might also slide under the lap restrained in a rear seating position. belt. The belt force would then be applied right on the abdomen. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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restraints. In fact, the law in every Every time infants and young Warning (Continued) state in the United States and in children ride in vehicles, they should every Canadian province says have the protection provided by That could cause serious or fatal children up to some age must be appropriate child restraints. Neither injuries. The shoulder belt should restrained while in a vehicle. the vehicle's safety belt system nor go over the shoulder and across its airbag system is designed the chest. { Warning for them. Children who are not restrained Children can be seriously injured properly can strike other people, or strangled if a shoulder belt is or can be thrown out of the vehicle. wrapped around their neck. The shoulder belt can tighten but { Warning cannot be loosened if it is locked. The shoulder belt locks when it is Never hold an infant or a child pulled all the way out of the while riding in a vehicle. Due to retractor. It unlocks when the crash forces, an infant or a child shoulder belt is allowed to go all will become so heavy it is not the way back into the retractor, possible to hold it during a crash. but it cannot do this if it is For example, in a crash at only wrapped around a child’s neck. 40 km/h (25 mph), a 5.5 kg (12 lb) If the shoulder belt is locked and infant will suddenly become a Infants and Young tightened around a child’s neck, 110 kg (240 lb) force on a person's Children the only way to loosen the belt is arms. An infant or child should be to cut it. secured in an appropriate Everyone in a vehicle needs restraint. protection! This includes infants and Never leave children unattended all other children. Neither the in a vehicle and never allow distance traveled nor the age and children to play with the safety size of the traveler changes the belts. need, for everyone, to use safety Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

80 Seats and Restraints

For each type of child restraint, there are many different models available. When purchasing a child restraint, be sure it is designed to be used in a motor vehicle. If it is, the restraint will have a label saying that it meets federal motor vehicle safety standards. The restraint manufacturer's instructions that come with the restraint state the weight and height limitations for a particular child restraint. In addition, there are many kinds of restraints Child restraints are devices used to { Warning available for children with special restrain, seat, or position children in needs. Children who are up against, the vehicle and are sometimes called child seats or car seats. or very close to, any airbag when { Warning it inflates can be seriously injured There are three basic types of or killed. Never put a rear-facing child restraints: To reduce the risk of neck and child restraint in the front . Forward-facing child restraints head injury in a crash, infants and outboard seat. Secure a toddlers should be secured in a rear-facing child restraint in a rear . Rearward-facing child restraints rear-facing child restraint until age seat. It is also better to secure a . Belt-positioning booster seats two, or until they reach the forward-facing child restraint in a maximum height and weight limits The proper child restraint for your of their child restraint. rear seat. If you must secure a child depends on their size, weight, forward-facing child restraint in and age, and also on whether the the front outboard seat, always child restraint is compatible with the move the front passenger seat as vehicle in which it will be used. far back as it will go. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Child Restraint Systems { Warning

A young child's hip bones are still so small that the vehicle's regular safety belt may not remain low on the hip bones, as it should. Instead, it may settle up around the child's abdomen. In a crash, the belt would apply force on a body area that is unprotected by any bony structure. This alone could cause serious or fatal Forward-Facing Child Seat injuries. To reduce the risk of serious or fatal injuries during a Rear-Facing Infant Seat A forward-facing child restraint crash, young children should provides restraint for the child's A rear-facing child restraint provides body with the harness. always be secured in appropriate restraint with the seating surface child restraints. against the back of the infant. The harness system holds the infant in place and, in a crash, acts to keep the infant positioned in the restraint. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

82 Seats and Restraints

Securing an Add-On Child When securing an add-on child Restraint in the Vehicle restraint, refer to the instructions that come with the restraint which { Warning may be on the restraint itself or in a booklet, or both, and to this manual. A child can be seriously injured or The child restraint instructions are killed in a crash if the child important, so if they are not restraint is not properly secured in available, obtain a replacement copy from the manufacturer. the vehicle. Secure the child restraint properly in the vehicle Keep in mind that an unsecured using the vehicle’s safety belt or child restraint can move around in a LATCH system, following the collision or sudden stop and injure Booster Seats instructions that came with that people in the vehicle. Be sure to A belt-positioning booster seat is child restraint and the instructions properly secure any child restraint in used for children who have in this manual. the vehicle — even when no child is outgrown their forward-facing child in it. restraint. Boosters are designed to To help reduce the chance of injury, In some areas of the United States improve the fit of the vehicle's safety the child restraint must be secured and Canada, Certified Child belt system until the child is large in the vehicle. Child restraint Passenger Safety Technicians enough for the vehicle safety belts systems must be secured in vehicle (CPSTs) are available to inspect to fit properly without a booster seat. seats by lap belts or the lap belt and demonstrate how to correctly See the safety belt fit test in Older use and install child restraints. In 0 portion of a lap-shoulder belt, or by Children 77. the LATCH system. See Lower the U.S., refer to the National Anchors and Tethers for Children Highway Traffic Safety (LATCH System) 0 84 for more Administration (NHTSA) website to information. Children can be locate the nearest child safety seat endangered in a crash if the child inspection station. For CPST restraint is not properly secured in availability in Canada, check with the vehicle. Transport Canada or the Provincial Ministry of Transportation office. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Securing the Child Within the Child Restraint { Warning Warning (Continued) A child in a rear-facing child the front seat, always move the { Warning restraint can be seriously injured front passenger seat as far back or killed if the front passenger as it will go. It is better to secure A child can be seriously injured or airbag inflates. This is because the child restraint in a rear seat. killed in a crash if the child is not the back of the rear-facing child properly secured in the child See Passenger Sensing System restraint would be very close to restraint. Secure the child 0 71 for additional information. the inflating airbag. A child in a properly following the instructions forward-facing child restraint can that came with that child restraint. be seriously injured or killed if the When securing a child restraint in a front passenger airbag inflates rear seating position, study the Where to Put the and the passenger seat is in a instructions that came with the child forward position. restraint to make sure it is Restraint compatible with this vehicle. Even if the passenger sensing According to accident statistics, Child restraints and booster seats system has turned off the front children and infants are safer when vary considerably in size, and some passenger frontal airbag, no properly restrained in an appropriate may fit in certain seating positions child restraint secured in a rear system is fail-safe. No one can better than others. seating position. guarantee that an airbag will not deploy under some unusual Depending on where you place the Whenever possible, children aged circumstance, even though it is child restraint and the size of the 12 and under should be secured in turned off. child restraint, you may not be able a rear seating position. to access adjacent safety belts or Secure rear-facing child restraints Never put a rear-facing child LATCH anchors for additional in a rear seat, even if the airbag restraint in the front. This is because passengers or child restraints. the risk to the rear-facing child is so is off. If you secure a Adjacent seating positions should great if the airbag deploys. forward-facing child restraint in not be used if the child restraint (Continued) prevents access to or interferes with the routing of the safety belt. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

84 Seats and Restraints

Wherever a child restraint is rear-facing and forward-facing child The LATCH anchorage system can installed, be sure to follow the seats can be properly installed be used until the combined weight instructions that came with the child using either the LATCH anchors or of the child plus the child restraint is restraint system and secure the the vehicle’s safety belts. Do not 29.5 kg (65 lbs). Use the safety belt child restraint system properly. use both the safety belts and the alone instead of the LATCH Keep in mind that an unsecured LATCH anchorage system to secure anchorage system once the child restraint can move around in a a rear-facing or forward-facing combined weight is more than collision or sudden stop and injure child seat. 29.5 kg (65 lbs). people in the vehicle. Be sure to Booster seats use the vehicle’s See Securing Child Restraints (With properly secure any child restraint in safety belts to secure the child in the Safety Belt in the Rear Seat) the vehicle — even when no child is the booster seat. If the manufacturer 0 91 or Securing Child Restraints in it. recommends that the booster seat (With the Safety Belt in the Front be secured with the LATCH system, Seat) 0 93. Lower Anchors and this can be done as long as the Child restraints built after March Tethers for Children booster seat can be positioned 2014 will be labeled with the properly and there is no interference (LATCH System) specific child weight up to which the with the proper positioning of the LATCH system can be used to The LATCH system secures a child lap-shoulder belt on the child. install the restraint. restraint during driving or in a crash. Make sure to follow the instructions The following explains how to attach LATCH attachments on the child that came with the child restraint, restraint are used to attach the child a child restraint with these and also the instructions in this attachments in the vehicle. restraint to the anchors in the manual. vehicle. The LATCH system is Not all vehicle seating positions or designed to make installation of a When installing a child restraint with child restraints have lower anchors child restraint easier. a top tether, you must also use and attachments or top tether either the lower anchors or the anchors and attachments. See In order to use the LATCH system in safety belts to properly secure the your vehicle, you need a child Securing Child Restraints (With the child restraint. A child restraint must Safety Belt in the Rear Seat) 0 91 or restraint that has LATCH never be installed using only the top attachments. LATCH-compatible Securing Child Restraints (With the tether and anchor. Safety Belt in the Front Seat) 0 93. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Lower Anchors Top Tether Anchor Some child restraints that have a top tether 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 the child restraint. Lower Anchor and Top Tether Anchor Locations

Lower anchors (1) are metal bars A top tether (3, 4) anchors the top of built into the vehicle. There are two the child restraint to the vehicle. lower anchors for each LATCH A top tether anchor is built into the seating position that will vehicle. The top tether accommodate a child restraint with attachment (2) on the child restraint lower attachments (2). 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). Rear Seat Either will have a single attachment (2) to secure the top I : Seating positions with top tether to the anchor. tether anchors. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

86 Seats and Restraints

H : Seating positions with two restraint system or infant restraint lower anchors. system secured in a rear seating position. See Where to Put the Restraint 0 83 for additional information. Securing a Child Restraint Designed for the LATCH System To assist in locating the lower anchors, each rear anchor position { Warning has a label, near the crease If a LATCH-type child restraint is between the seatback and the seat The top tether anchors are under not attached to anchors, the child cushion. the covers, behind the rear seat, on restraint will not be able to protect the filler panel. Be sure to use an the child correctly. In a crash, the anchor on the same side of the vehicle as the seating position child could be seriously injured or where the child restraint will be killed. Install a LATCH-type child placed. restraint properly using the anchors, or use the vehicle's Do not secure a child restraint in a safety belts to secure the position without a top tether anchor restraint, following the instructions To assist in locating the top tether if a national or local law requires that came with the child restraint anchors, the top tether anchor that the top tether be attached, or if and the instructions in this symbol is on the cover. the instructions that come with the manual. child restraint say that the top tether must be attached. According to accident statistics, children and infants are safer when properly restrained in a child Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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{ Warning Warning (Continued) Caution (Continued)

To reduce the risk of serious or wrapped around a child’s neck. Do not fold the rear seatback fatal injuries during a crash, do If the shoulder belt is locked and when the seat is occupied. Do not not attach more than one child tightened around a child’s neck, fold the empty rear seat with a restraint to a single anchor. the only way to loosen the belt is safety belt buckled. This could Attaching more than one child to cut it. damage the safety belt or the restraint to a single anchor could Buckle any unused safety belts seat. Unbuckle and return the cause the anchor or attachment behind the child restraint so safety belt to its stowed position, to come loose or even break children cannot reach them. Pull before folding the seat. during a crash. A child or others the shoulder belt all the way out could be injured. of the retractor to set the lock, If you need to secure more than one and tighten the belt behind the child restraint in the rear seat, see child restraint after the child Where to Put the Restraint 0 83. { Warning restraint has been installed. Make sure to attach the child restraint at the proper anchor Children can be seriously injured location. or strangled if a shoulder belt is wrapped around their neck. The Caution This system is designed to make installation of child restraints easier. shoulder belt can tighten but Do not let the LATCH When using lower anchors, do not cannot be loosened if it is locked. attachments rub against the use the vehicle's safety belts. The shoulder belt locks when it is vehicle’s safety belts. This may Instead use the vehicle's anchors pulled all the way out of the damage these parts. If necessary, and child restraint attachments to retractor. It unlocks when the move buckled safety belts to secure the restraints. Some shoulder belt is allowed to go all avoid rubbing the LATCH restraints also use another vehicle the way back into the retractor, attachments. anchor to secure a top tether. but it cannot do this if it is (Continued) (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

88 Seats and Restraints

1. Attach and tighten the lower 1.3. Attach and tighten the attachments to the lower lower attachments on the anchors. If the child restraint child restraint to the lower does not have lower anchors. attachments or the desired 2. If the child restraint seating position does not have manufacturer recommends that lower anchors, secure the child the top tether be attached, restraint with the top tether and attach and tighten the top the safety belts. Refer to the tether to the top tether anchor, child restraint manufacturer if equipped. Refer to the child If the position you are instructions and the restraint instructions and the using does not have a instructions in this manual. following steps: headrest or head 1.1. Find the lower anchors restraint, or the headrest 2.1. Find the top tether or head restraint has for the desired seating anchor. position. been removed, and you Open the cover to expose are using a single tether, 1.2. Put the child restraint on the anchor. route the tether over the the seat. seatback. 2.2. Route, attach, and tighten If the head restraint the top tether according interferes with the proper to the child restraint installation of the child instructions and the restraint, the head following instructions: restraint may be removed. See “Head Restraint Removal and Reinstallation” at the end of this section. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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If the position you are Head Restraint Removal and using does not have a Reinstallation headrest or head restraint, or the headrest The rear outboard head restraints or head restraint has can be removed if they interfere with been removed, and you the proper installation of the child are using a dual tether, restraint. route the tether over the To remove the head restraint: seatback. 1. Partially fold the seatback If the position you are forward. See Rear Seats 0 56 using has an adjustable for additional information. headrest or head restraint and you are using a dual tether, route the tether around the headrest or head restraint. 3. Before placing a child in the child restraint, make sure it is securely held in place. To If the position you are check, grasp the child restraint using has an adjustable at the LATCH path and attempt headrest or head restraint to move it side to side and and you are using a back and forth. There should single tether, route the be no more than 2.5 cm (1 in) of tether under the headrest movement, for proper 2. Press both buttons on the head or head restraint and in installation. between the headrest or restraint posts at the same head restraint posts. time, and pull up on the head restraint. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

90 Seats and Restraints

3. Store the head restraint in the To reinstall the head restraint: Replacing LATCH System trunk of the vehicle. Parts After a Crash 4. When the child restraint is removed, reinstall the head { Warning restraint before the seating position is used. A crash can damage the LATCH system in the vehicle. A damaged { Warning LATCH system may not properly secure the child restraint, With head restraints that are not resulting in serious injury or even installed and adjusted properly, death in a crash. To help make there is a greater chance that sure the LATCH system is occupants will suffer a neck/ working properly after a crash, spinal injury in a crash. Do not see your dealer to have the 1. Insert the head restraint posts drive until the head restraints for system inspected and any into the holes in the top of the all occupants are installed and necessary replacements made as adjusted properly. seatback. The notches on the posts must face the driver side soon as possible. of the vehicle. 2. Push the head restraint down. If the vehicle has the LATCH system and it was being used during a If necessary, press the height crash, new LATCH system parts adjustment release button to may be needed. further lower the head restraint. See Head Restraints 0 50. New parts and repairs may be necessary even if the LATCH 3. Try to move the head restraint system was not being used at the to make sure that it is locked in time of the crash. place. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Securing Child Restraints In Canada, the law requires that through or around the restraint. forward-facing child restraints have The child restraint instructions (With the Safety Belt in a top tether, and that the tether be will show you how. the Rear Seat) attached. When securing a child restraint in a If the child restraint or vehicle seat rear seating position, study the position does not have the LATCH instructions that came with the child system, you will be using the safety restraint to make sure it is belt to secure the child restraint. compatible with this vehicle. Be sure to follow the instructions If the child restraint has the LATCH that came with the child restraint. system, see Lower Anchors and If more than one child restraint Tethers for Children (LATCH needs to be installed in the rear System) 0 84 for how and where to seat, be sure to read Where to Put install the child restraint using the Restraint 0 83. LATCH. If a child restraint is 1. Put the child restraint on secured in the vehicle using a the seat. safety belt and it uses a top tether, 3. Push the latch plate into the see Lower Anchors and Tethers for If the head restraint interferes buckle until it clicks. Children (LATCH System) 0 84 for with the proper installation of Position the release button on top tether anchor locations. the child restraint, the head the buckle, away from the child restraint may be removed. See Do not secure a child seat in a restraint system, so that the Head Restraint Removal and position without a top tether anchor “ safety belt could be quickly Reinstallation under Lower if a national or local law requires ” unbuckled if necessary. Anchors and Tethers for that the top tether be anchored, or if Children (LATCH System) 0 84. the instructions that come with the child restraint say that the top strap 2. Pick up the latch plate, and run must be anchored. the lap and shoulder portions of the vehicle's safety belt Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

92 Seats and Restraints

6. If the child restraint has a top tether, follow the child restraint manufacturer's instructions regarding the use of the top tether. See Lower Anchors and Tethers for Children (LATCH System) 0 84. 7. Before placing a child in the child restraint, make sure it is securely held in place. To check, grasp the child restraint at the safety belt path and 4. Pull the shoulder belt all the 5. To tighten the belt, push down attempt to move it side to side way out of the retractor to set on the child restraint, pull the and back and forth. When the the lock. When the retractor shoulder portion of the belt to child restraint is properly lock is set, the belt can be tighten the lap portion of the installed, there should be no tightened but not pulled out of belt, and feed the shoulder belt more than 2.5 cm (1 in) of the retractor. back into the retractor. When movement. installing a forward-facing child To remove the child restraint, restraint, it may be helpful to unbuckle the vehicle safety belt and use your knee to push down on let it return to the stowed position. the child restraint as you If the top tether is attached to a top tighten the belt. tether anchor, disconnect it. If the Try to pull the belt out of the head restraint was removed, retractor to make sure the reinstall it before the seating retractor is locked. If the position is used. See “Head retractor is not locked, repeat Restraint Removal and Steps 4 and 5. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Reinstallation” under Lower Anchors and Tethers for Children (LATCH { Warning Warning (Continued) System) 0 84 for additional information on installing the head A child in a rear-facing child forward-facing child restraint in restraint properly. restraint can be seriously injured the front outboard passenger or killed if the front outboard seat, always move the seat as far Securing Child Restraints passenger frontal airbag inflates. back as it will go. It is better to This is because the back of the secure the child restraint in a (With the Safety Belt in rear-facing child restraint would rear seat. the Front Seat) be very close to the inflating See Passenger Sensing System This vehicle has airbags. A rear airbag. A child in a forward-facing 0 71 for additional information. seat is a safer place to secure a child restraint can be seriously forward-facing child restraint. See injured or killed if the front Where to Put the Restraint 0 83. outboard passenger frontal airbag If the child restraint uses a top inflates and the passenger seat is tether, see Lower Anchors and In addition, the vehicle has a in a forward position. Tethers for Children (LATCH passenger sensing system which is System) 0 84 for top tether anchor designed to turn off the front Even if the passenger sensing locations. outboard passenger frontal airbag system has turned off the front Do not secure a child seat in a and knee airbag under certain outboard passenger airbag(s), no position without a top tether anchor conditions. See Passenger Sensing system is fail-safe. No one can if a national or local law requires System 0 71 and Passenger Airbag guarantee that an airbag will not Status Indicator 0 112 for more that the top tether be anchored, or if deploy under some unusual the instructions that come with the information, including important circumstance, even though the safety information. child restraint say that the top strap airbag(s) are off. must be anchored. Never put a rear-facing child seat in Secure rear-facing child restraints In Canada, the law requires that the front. This is because the risk to in a rear seat, even if the the rear-facing child is so great if the forward-facing child restraints have airbag(s) are off. If you secure a airbag deploys. a top tether, and that the tether be (Continued) attached. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

94 Seats and Restraints

When using the lap-shoulder belt to 3. Pick up the latch plate, and run secure the child restraint in this the lap and shoulder portions position, follow the instructions that of the vehicle's safety belt came with the child restraint and the through or around the restraint. following instructions: The child restraint instructions 1. Move the seat as far back as it will show you how. 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. 5. Pull the shoulder belt all the When the passenger sensing way out of the retractor to set system has turned off the front the lock. When the retractor outboard passenger frontal lock is set, the belt can be airbag and knee airbag, the off tightened but not pulled out of indicator on the passenger the retractor. airbag status indicator should light and stay lit when you start 4. Push the latch plate into the the vehicle. See Passenger buckle until it clicks. Airbag Status Indicator 0 112. Position the release button on 2. Put the child restraint on the buckle, away from the child the seat. restraint system, so that the safety belt could be quickly unbuckled if necessary. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Seats and Restraints 95

7. Before placing a child in the child restraint, make sure it is securely held in place. To check, grasp the child restraint at the safety belt path and attempt to move it side to side and back and forth. When the child restraint is properly installed, there should be no more than 2.5 cm (1 in) of movement. If the airbags are off, the off 6. To tighten the belt, push down indicator in the passenger airbag on the child restraint, pull the status indicator will come on and shoulder portion of the belt to stay on when the vehicle is started. tighten the lap portion of the If a child restraint has been installed belt, and feed the shoulder belt and the on indicator is lit, see “If the back into the retractor. When 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 safety 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. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

96 Storage Storage Storage Cupholders Compartments Storage Compartments Storage Compartments ...... 96 { Warning Glove Box ...... 96 Cupholders ...... 96 Do not store heavy or sharp Armrest Storage ...... 97 objects in storage compartments. Center Console Storage ...... 97 In a crash, these objects may cause the cover to open and Additional Storage Features could result in injury. Cargo Tie-Downs ...... 97 Convenience Net ...... 98 Glove Box There are cupholders in the center console. Press the access door to open.

Lift up on the lever to open it. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Storage 97 If equipped, there is a storage bin Additional Storage behind the cupholders in the rear armrest. Lift the cover to open. Features Center Console Storage Cargo Tie-Downs

If equipped, pull down the rear seat armrest to use the cupholders. Armrest Storage

Push the storage compartment lid The vehicle has two cargo backward and pull up to open the tie-downs in the rear compartment. storage compartment lid. Two USB ports and an auxiliary jack are inside. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

98 Storage

Convenience Net Use the convenience net in the trunk to store small loads as far forward as possible. The net should not be used to store heavy loads. Attach the net so the opening is facing up. Attach the net loops to the cargo tie-downs on the rear panel of the trunk. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Charging System Light ...... 113 Information Displays Instruments and Malfunction Indicator Lamp Driver Information Controls (Check Engine Light) ...... 113 Center (DIC) ...... 121 Brake System Warning Head-Up Display (HUD) ...... 124 Light ...... 115 Vehicle Messages Controls Electric Parking Brake Vehicle Messages ...... 127 Steering Wheel Adjustment . . . 100 Light ...... 115 Service Electric Parking Brake Battery Voltage and Charging Steering Wheel Controls ...... 101 Messages ...... 128 Heated Steering Wheel ...... 101 Light ...... 116 Antilock Brake System (ABS) Brake System Messages . . . . . 128 Horn ...... 101 Compass Messages ...... 128 Windshield Wiper/Washer . . . . 101 Warning Light ...... 116 Lane Keep Assist (LKA) Cruise Control Messages . . . . . 129 Compass ...... 102 Door Ajar Messages ...... 129 Clock ...... 102 Light ...... 116 Vehicle Ahead Indicator ...... 117 Engine Cooling System Power Outlets ...... 103 Messages ...... 130 Wireless Charging ...... 104 Traction Off Light ...... 117 StabiliTrak® OFF Light ...... 117 Engine Oil Messages ...... 130 Warning Lights, Gauges, and Traction Control System (TCS)/ Engine Power Messages . . . . . 131 Indicators StabiliTrak® Light ...... 118 Fuel System Messages ...... 131 Warning Lights, Gauges, and Engine Coolant Temperature Key and Lock Messages . . . . . 131 Indicators ...... 106 Warning Light ...... 118 Lamp Messages ...... 132 Instrument Cluster ...... 107 Tire Pressure Light ...... 118 Object Detection System Speedometer ...... 109 Engine Oil Pressure Light . . . . . 119 Messages ...... 132 Odometer ...... 109 Low Fuel Warning Light ...... 119 Ride Control System Tachometer ...... 109 Security Light ...... 120 Messages ...... 133 Fuel Gauge ...... 109 High-Beam On Light ...... 120 Airbag System Messages . . . . 134 Engine Coolant Temperature Adaptive Forward Lighting Security Messages ...... 134 Gauge ...... 110 (AFL) Light ...... 120 Service Vehicle Messages . . . . 134 Safety Belt Reminders ...... 111 Front Fog Lamp Light ...... 120 Steering System Airbag Readiness Light ...... 112 Lamps On Reminder ...... 121 Messages ...... 135 Passenger Airbag Status Cruise Control Light ...... 121 Starting the Vehicle Indicator ...... 112 Door Ajar Light ...... 121 Messages ...... 135 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

100 Instruments and Controls Tire Messages ...... 135 Controls Power Tilt and Telescoping Transmission Messages ...... 135 Steering Wheel Vehicle Speed Messages . . . . . 136 Window Messages ...... 136 Steering Wheel Adjustment Vehicle Personalization Vehicle Personalization ...... 137 Universal Remote System Universal Remote System . . . . 144 Universal Remote System Programming ...... 144 Universal Remote System Operation ...... 146

To adjust the steering wheel, if equipped: Press the control to move the tilt To adjust the steering wheel: and telescoping steering wheel up 1. Pull the lever down. and down or forward and rearward. 2. Move the steering wheel up Do not adjust the steering wheel or down. while driving. 3. Pull or push the steering wheel closer or away from you. 4. Pull the lever up to lock the steering wheel in place. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Steering Wheel Controls Horn The infotainment system can be Press a on the steering wheel pad operated by using the steering to sound the horn. wheel controls. See "Steering Wheel Controls" in the infotainment Windshield Wiper/Washer manual. Heated Steering Wheel

INT : Use for intermittent wipes. To adjust wipe frequency, turn the band up for more frequent wipes or down for less frequent wipes. OFF : Use to turn the wipers off. 1x : For a single wipe, briefly move With the ignition in ACC/ the wiper lever down. For several ACCESSORY or ON/RUN/START, wipes, hold the wiper lever down. move the windshield wiper lever to select the wiper speed. f : Pull the windshield wiper lever toward you to spray windshield HI : Use for fast wipes. washer fluid and activate the wipers. LO : Use for slow wipes. The wipers will continue until the ( : If equipped, press to turn on or lever is released or the maximum off. A light near the button displays wash time is reached. When the when the feature is turned on. lever is released, additional wipes may occur depending on how long The steering wheel takes about the windshield washer had been three minutes to start heating. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

102 Instruments and Controls

activated. See Washer Fluid 0 240 If the windshield wiper lever is then will automatically determine when a for information on filling the moved to OFF before the driver GPS signal is restored and provide windshield washer fluid reservoir. door is opened or within 10 minutes, a heading again. See Compass the wipers will restart and move to Messages 0 128 for the messages { Warning the base of the windshield. that may be displayed for the If the ignition is turned off while the compass. In freezing weather, do not use wipers are performing wipes due to the washer until the windshield is windshield washing, the wipers Clock warmed. Otherwise the washer continue to run until they reach the Setting the Time and Date fluid can form ice on the base of the windshield. windshield, blocking your vision. To set the time or date: Compass 1. Select Settings from the Home Clear snow and ice from the wiper The vehicle may have a compass Page, then select Time and blades before using them. If frozen display on the Driver Information Date Settings. to the windshield, carefully loosen or Center (DIC). The compass receives 2. Select the desired function. thaw them. Damaged blades should its heading and other information be replaced. See Wiper Blade from the Global Positioning To set the time or date, touch « or 0 Replacement 244. System (GPS) antenna, ª to change the hour, minutes, ® Heavy snow or ice can overload the StabiliTrak , and vehicle speed AM, PM, day, month, or year. wiper motor. information. To change the 12-24Hr setting, touch 12-24Hr. Wipe Parking The compass system is designed to operate for a certain number of To turn Auto Set on and off, touch If the ignition is turned off while the miles or degrees of turn before Auto Set. wipers are on LO, HI, or INT, they needing a signal from the GPS will immediately stop. satellites. When the compass If auto timing is set, the time display shows CAL, drive the displayed on the clock may not vehicle for a short distance in an update immediately when driving open area where it can receive a into a new time zone. GPS signal. The compass system Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Instruments and Controls 103

Press q BACK to go to the last . Inside the center console storage. Caution menu and save the changes or { to return to the Home Page. . On the rear of the center Hanging heavy equipment from console. the power outlet can cause Power Outlets Open the protective cover to use the damage not covered by the power outlet. vehicle warranty. The power Power Outlets 12-Volt Direct outlets are designed for Current The outlet is powered when the ignition is in ON/RUN or ACC/ accessory power plugs only, such ACCESSORY, or until the driver as cell phone charge cords. door is opened within 10 minutes of turning off the vehicle. See Retained Power Outlet 110/120 Volt Accessory Power (RAP) 0 177. Alternating Current Certain electrical accessories may not be compatible with the accessory power outlet and could overload vehicle or adapter fuses. If there is a problem, see your dealer. When adding electrical equipment, be sure to follow the installation The 12-volt power outlets can be instructions included with the used to plug in electrical equipment, equipment. See Add-On Electrical such as a cell phone or MP3 player. Equipment 0 223. The vehicle has three power outlets: . Under the front of the center The vehicle may have a power console. outlet that can be used to plug in electrical equipment with a maximum limit of 150 watts. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

104 Instruments and Controls

The power outlet is on the rear of restarts when equipment that To check for phone or other device the center console. operates within the limit is plugged compatibility: An indicator light on the outlet into the outlet and a system fault is . In the U.S., see my.buick.com/ comes on when in use. The light not detected. learn. comes on when the ignition is in The power outlet is not designed for . In Canada, see ON/RUN, equipment requiring less the following equipment, and may gmtotalconnect.ca. than 150 watts is plugged into the not work properly if any of the outlet, and no system fault is following is plugged in: . Or, see your dealer for details. detected. . Equipment with high initial peak The indicator light does not come on wattage, such as { Warning when the ignition is in LOCK/OFF or compressor-driven refrigerators Wireless charging can affect the if the equipment is not fully seated and electric power tools. into the outlet. operation of an implanted . Other equipment requiring an pacemaker or other medical If you try to connect equipment extremely stable power supply, devices. If you have one, it is using more than 150 watts or a such as recommended to consult with system fault is detected, the microcomputer-controlled your doctor before using the equipment may operate for a short electric blankets, and touch wireless charging system. period and turn itself off. sensor lamps. A protection circuit shuts off the . Medical equipment. power supply and the indicator light The vehicle must be in ON/RUN, turns off. To reset the circuit, unplug ACC/ACCESSORY, or Retained the item and plug it back in or turn Wireless Charging Accessory Power (RAP). The the Remote Accessory Power (RAP) The vehicle may have a wireless wireless charging feature may not off and then back on. See Retained charging pocket outside the armrest correctly indicate charging when the Accessory Power (RAP) 0 177. of the center console. The system vehicle is in RAP. See Retained Prolonged use of the power outlet at wirelessly charges one PMA or Qi Accessory Power (RAP) 0 177. the maximum load of 150 watts may compatible mobile device. cause the outlet to overheat and automatically shut down. The power Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Instruments and Controls 105

The operating temperature is −20 °C 2. With the mobile device screen (−4 °F) to 60 °C (140 °F) for the facing the rear of the vehicle, charging system and 0 °C (32 °F) to slowly insert the device into the 35 °C (95 °F) for the mobile device. charging pocket until ~ appears on the V on the { Warning infotainment display. This indicates that the mobile device Remove all metal objects from the is properly positioned and charging pocket before charging charging. If a phone is inserted your mobile device. Metal objects, such as coins, keys, rings, into the pocket and ~ does or paper clips, between the phone not display, remove the phone and the charger will become very from the pocket, turn To charge a mobile device: 180 degrees, and wait hot. On the rare occasion that the three seconds before inserting charging system does not detect 1. Remove all objects from the charging pocket. The system the phone into the pocket a metal object, and the object may not charge if there are any again. gets wedged between the phone objects in the charging pocket. and the charger, remove the phone and allow the metallic object to cool before removing it from the charging pocket, to prevent burns. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

106 Instruments and Controls Warning Lights, Gauges, and Indicators Warning lights and gauges can signal that something is wrong before it becomes serious enough to cause an expensive repair or replacement. Paying attention to the warning lights and gauges could prevent injury. Some warning lights come on briefly when the engine is started to indicate they are working. When one of the warning lights comes on 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. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Instruments and Controls 107

Instrument Cluster

English Shown, Metric Similar Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

108 Instruments and Controls

Cluster Menu . Info App. This is where the Navigation selected Driver Information There is an interactive display area V Center (DIC) displays. See Press to select the Navigation in the center of the instrument Driver Information Center app, then press T to enter the cluster. (DIC) 0 121. Navigation menu. If there is no . Audio active route, you can resume the last route and turn the voice . Phone prompts on/off. If there is an active . Navigation route, press V to cancel route . Options guidance or turn the voice prompts on/off. Audio Options Press V to select the Audio app, Press V to select the Options app. then press T to enter the Audio Use or to scroll through items menu. In the Audio menu browse for y z music, select from the favorites, in the Options menu. or change the audio source. Units : Press T while Units is Use the right steering wheel control displayed to enter the Units menu. to open and scroll through the Phone Choose English or metric units by different items and displays. V Press to select the Phone app, pressing V while the desired item is Press S to access the cluster then press T to enter the Phone highlighted. applications. Use or to scroll menu. In the Phone menu, if there is y z Display Themes : Press T while through the list of available no active phone call, view recent Display Themes is displayed to applications. Not all applications will calls, scroll through contacts, enter the menu. Choose Sport or be available on all vehicles. or select from the favorites. If there is an active call, mute or unmute the Touring by pressing V while the phone or switch to handset or desired item is highlighted. handsfree operation. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Info Pages : Press T while Info Odometer Caution Pages is displayed to enter the Info The odometer shows how far the Pages menu and select the items to vehicle has been driven, in either If the engine is operated with the be displayed in the Info App. See kilometers or miles. rpm’s in the warning area at the Driver Information Center high end of the tachometer, the (DIC) 0 121. Tachometer vehicle could be damaged, and Speed Warning : The Speed the damage would not be covered The tachometer displays the engine Warning display allows the driver to by the vehicle warranty. Do not speed in revolutions per set a speed that they do not want to operate the engine with the rpm s minute (rpm). ’ exceed. To set the Speed Warning, in the warning area. press T when Speed Warning is For vehicles with the Stop/Start displayed. Scroll to Set Speed and system, when the ignition is in ON/ RUN, the tachometer indicates the Fuel Gauge press T. Press V to set the speed. vehicle status. When pointing to Once the speed is set, this feature AUTO STOP, the engine is off but can be turned off by pressing V the vehicle is on and can move. The while viewing this page. If the engine could auto start at any time. selected speed limit is exceeded, a When the indicator points to OFF, DIC message is displayed with a the vehicle is off. chime. When the engine is on, the Software Information : Displays tachometer will indicate the engine’s the open source software revolutions per minute (rpm). The information. tachometer may vary by several hundred rpm’s, during Auto Stop Speedometer mode, when the engine is shutting off and restarting. The speedometer shows the Metric vehicle's speed in either kilometers A slight bump may be felt when the per hour (km/h) or miles per transmission is determining the hour (mph). most fuel efficient operating range. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

110 Instruments and Controls

Here are four things that some Engine Coolant owners ask about. None of these show a problem with the fuel gauge: Temperature Gauge . 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 English tank's capacity to fill the tank. When the ignition is on, the fuel . The gauge moves a little while gauge indicates about how much turning a corner or speeding up. Metric fuel is left in the tank. . The gauge takes a few seconds An arrow on the fuel gauge to stabilize after the ignition is indicates the side of the vehicle the turned on, and goes back to fuel door is on. empty when the ignition is When the indicator nears empty, the turned off. low fuel light comes on. There is still a little fuel left, but the fuel tank should be filled soon. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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vehicle, and turn off the engine as If the driver safety belt is buckled, soon as possible. See Engine neither the light nor the chime Overheating 0 238 for more comes on. information. Passenger Safety Belt Safety Belt Reminders Reminder Light There is a passenger safety belt Driver Safety Belt Reminder reminder light near the passenger Light airbag status indicator. See There is a driver safety belt Passenger Sensing System 0 71. reminder light on the instrument cluster. English This gauge shows the engine coolant temperature. If the gauge pointer moves toward the warning area at the high end of When the vehicle is started, this the gauge, the engine is too hot. light flashes and a chime may come The engine coolant warning light When the vehicle is started, this on to remind passengers to fasten comes on when the engine is too light flashes and a chime may come their safety belt. Then the light stays hot. See Engine Coolant on to remind the driver to fasten on solid until the belt is buckled. Temperature Warning Light 0 118. their safety belt. Then the light stays This cycle continues several times if the passenger remains or becomes This reading indicates the same on solid until the belt is buckled. unbuckled while the vehicle is thing as the warning light. It means This cycle may continue several moving. that the engine coolant has times if the driver remains or overheated. If the vehicle has been becomes unbuckled while the If the passenger safety belt is operating under normal driving vehicle is moving. buckled, neither the chime nor the conditions, pull off the road, stop the light comes on. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

112 Instruments and Controls

The front passenger safety belt The airbag readiness light comes on reminder light and chime may turn for several seconds when the on if an object is put on the seat vehicle is started. If the light does such as a briefcase, handbag, not come on then, have it fixed grocery bag, laptop, or other immediately. electronic device. To turn off the reminder light and/or chime, remove { Warning the object from the seat or buckle When the vehicle is started, the passenger airbag status indicator the safety belt. If the airbag readiness light stays will light ON and OFF for several on after the vehicle is started or seconds as a system check. Then, Airbag Readiness Light comes on while driving, it means after several more seconds, the This light shows if there is an the airbag system might not be status indicator will light either ON electrical problem with the airbag working properly. The airbags in or OFF to let you know the status of system. The system check includes the vehicle might not inflate in a the front outboard passenger frontal the airbag sensor(s), passenger crash, or they could even inflate airbag and knee airbag. without a crash. To help avoid sensing system, the pretensioners, If the word ON is lit on the injury, have the vehicle serviced the airbag modules, the wiring, and passenger airbag status indicator, it right away. the crash sensing and diagnostic means that the front outboard module. For more information on the passenger frontal airbag and knee airbag system, see Airbag airbag are allowed to inflate. System 0 65. Passenger Airbag Status Indicator If the word OFF is lit on the airbag status indicator, it means that the The vehicle has a passenger passenger sensing system has sensing system. See Passenger turned off the front outboard 0 Sensing System 71. The passenger frontal airbag and knee overhead console has a passenger airbag. airbag status indicator. If, after several seconds, both status indicator lights remain on, or if there are no lights at all, there may be a Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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problem with the lights or the The light turns off when the engine running for Key Access or in Service passenger sensing system. See is started. If it does not, have the Only Mode for Keyless Access. See your dealer for service. vehicle serviced by your dealer. Ignition Positions 0 172. If the light stays on, or comes on { Warning while driving, there could be a problem with the electrical charging If the airbag readiness light ever system. Have it checked by your comes on and stays on, it means dealer. Driving while this light is on that something may be wrong could drain the battery. with the airbag system. To help If a short distance must be driven avoid injury to yourself or others, Malfunctions are often indicated by with the light on, be sure to turn off have the vehicle serviced right the system before any problem is all accessories, such as the radio away. See Airbag Readiness noticeable. Being aware of the light and air conditioner. Light 0 112 for more information, and seeking service promptly when including important safety Malfunction Indicator it comes on may prevent damage. information. Lamp (Check Engine Caution Light) Charging System Light If the vehicle is driven continually This light is part of the vehicle’s with this light on, the emission emission control on-board control system may not work as diagnostic system. If this light is on well, the fuel economy may be while the engine is running, a lower, and the vehicle may not malfunction has been detected and the vehicle may require service. The run smoothly. This could lead to light should come on to show that it costly repairs that might not be is working when the ignition is in covered by the vehicle warranty. The charging system light comes on ON/RUN with the engine not briefly when the ignition is turned on, but the engine is not running, as a check to show the light is working. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

114 Instruments and Controls

If towing a trailer, reduce the . Poor fuel quality can cause Caution amount of cargo being hauled as inefficient engine operation and soon as possible. poor driveability, which may go Modifications to the engine, away once the engine is warmed transmission, exhaust, intake, If the light continues to flash, find a safe place to park. Turn the vehicle up. If this occurs, change the or fuel system, or the use of fuel brand. It may require at replacement tires that do not off and wait at least 10 seconds before restarting the engine. If the least one full tank of the proper meet the original tire fuel to turn the light off. See specifications, can cause this light light is still flashing, follow the 0 previous guidelines and see your Fuel 215. to come on. This could lead to dealer for service as soon as If the light remains on, see your costly repairs not covered by the possible. dealer. vehicle warranty. This could also affect the vehicle’s ability to pass If the light is on steady : A Emissions Inspection and an Emissions Inspection/ malfunction has been detected. Maintenance Programs Maintenance test. See Diagnosis and service may be If the vehicle requires an Emissions Accessories and required. 0 Inspection/Maintenance test, the Modifications 226. Check the following: test equipment will likely connect to . If fuel has been added to the the vehicle's Data Link If the light is flashing : A vehicle using the capless funnel Connector (DLC). malfunction has been detected that adapter, make sure that it has could damage the emission control been removed. See “Filling the system and increase vehicle Tank with a Portable Gas Can” emissions. Diagnosis and service under Filling the Tank 0 217. may be required. The diagnostic system can detect if the adapter has been To help prevent damage, reduce left installed in the vehicle, vehicle speed and avoid hard allowing fuel to evaporate into accelerations and uphill grades. the atmosphere. A few driving The DLC is under the instrument trips with the adapter removed panel to the left of the steering may turn off the light. wheel. Connecting devices that are Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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not used to perform an Emissions See your dealer if the vehicle will If the light comes on and stays on, Inspection/Maintenance test or to not pass or cannot be made ready there is a brake problem. service the vehicle may affect for the test. vehicle operation. See Add-On { Warning Electrical Equipment 0 223. See Brake System Warning your dealer if assistance is needed. Light The brake system might not be The vehicle may not pass working properly if the brake The vehicle brake system consists inspection if: system warning light is on. of two hydraulic circuits. If one Driving with the brake system . The light is on when the engine circuit is not working, the remaining warning light on can lead to a is running. circuit can still work to stop the crash. If the light is still on after . The light does not come on vehicle. For normal braking the vehicle has been pulled off performance, both circuits need to when the ignition is in ON/RUN the road and carefully stopped, be working. with the engine not running for have the vehicle towed for Key Access or in Service Only If the warning light comes on, there service. Mode for Keyless Access. is a brake problem. Have the brake . Critical emission control systems system inspected right away. have not been completely Electric Parking Brake diagnosed. If this happens, the Light vehicle would not be ready for inspection and might require several days of routine driving before the system is ready for inspection. This can happen if Metric English the 12-volt battery has recently been replaced or run down, or if This light should come on briefly Metric English the vehicle has been recently when the engine is started. If it does serviced. not come on then, have it fixed so it The parking brake status light will be ready to warn you if there is comes on when the brake is a problem. applied. If the light continues Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

116 Instruments and Controls

flashing after the parking brake is message displays in the Driver If the ABS light is the only light on, released, or while driving, there is a Information Center (DIC), see Brake the vehicle has regular brakes, but problem with the Electric Parking System Messages 0 128. the antilock brakes are not Brake system. A message may also functioning. display on the Driver Information Antilock Brake System If both the ABS and the brake Center (DIC). See Brake System 0 (ABS) Warning Light system warning light are on, the Messages 128. vehicle's antilock brakes are not If the light does not come on, functioning and there is a problem or remains flashing, see your dealer. with the regular brakes. See your dealer for service. Service Electric Parking See Brake System Warning Light Brake Light 0 115 and Brake System Messages 0 128. This light comes on briefly when the engine is started. Lane Keep Assist (LKA) If the light does not come on, have it Light fixed so it will be ready to warn if there is a problem. If the light comes on while driving, This light should come on briefly stop as soon as it is safely possible when starting the vehicle. If it does and turn off the vehicle. Then start not come on, have it fixed so it will the engine again to reset the be ready to warn if there is a system. If the ABS light stays on, problem. or comes on again while driving, the This light is green if LKA is available If this light stays on, take the vehicle vehicle needs service. A chime may to assist. should to your dealer as soon as also sound when the light comes on LKA may assist by gently turning possible. See the information for the steady. the steering wheel if the vehicle Electric Parking Brake under approaches a detected lane marking Electric Parking Brake 0 186. If a Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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without using the turn signal in that Traction Off Light StabiliTrak® OFF Light direction. The LKA light will turn amber. This light is amber and flashes as a Lane Departure Warning (LDW) alert, to indicate that the lane marking has been crossed. See Lane Keep Assist (LKA) 0 214. This light comes on briefly while This light comes on briefly while Vehicle Ahead Indicator starting the engine. If it does not, starting the engine. If it does not, have the vehicle serviced by your have the vehicle serviced by your dealer. If the system is working dealer. normally, the indicator light then This light comes on when the turns off. StabiliTrak system is turned off. The traction off light comes on when If StabiliTrak is off, the Traction the Traction Control System (TCS) Control System (TCS) is also off. has been turned off by pressing and If StabiliTrak and TCS are off, the If equipped, this indicator will releasing the TCS/StabiliTrak system does not assist in controlling display green when a vehicle is button. the vehicle. Turn on the TCS and detected ahead and amber when This light and the StabiliTrak OFF the StabiliTrak systems, and the you are following a vehicle ahead light come on when StabiliTrak is warning light turns off. much too closely. turned off. See Traction Control/Electronic See Forward Collision Alert (FCA) If the TCS is off, wheel spin is not Stability Control 0 189. System 0 206. limited. Adjust driving accordingly. See Traction Control/Electronic Stability Control 0 189. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

118 Instruments and Controls

Traction Control System See Traction Control/Electronic 0 Caution (Continued) (TCS)/StabiliTrak® Light Stability Control 189. Engine Coolant engine and it may not be covered by the vehicle warranty. See Temperature Warning Engine Overheating 0 238. Light The engine coolant temperature warning light comes on when the engine has overheated. This light comes on briefly when the engine is started. If this happens, pull over and turn off the engine as soon as possible. If the light does not come on, have See Engine Overheating 0 238. the vehicle serviced by your dealer. If the system is working normally, This light comes on briefly while Tire Pressure Light the indicator light turns off. starting the vehicle. If the light is on and not flashing, the If it does not, have the vehicle TCS and potentially the StabiliTrak serviced by your dealer. If the system have been disabled. system is working normally the A Driver Information Center (DIC) indicator light goes off. message may display. Check the DIC messages to determine which Caution feature(s) is no longer functioning For vehicles with the Tire Pressure The engine coolant temperature and whether the vehicle requires Monitor System (TPMS), this light service. See Ride Control System warning light indicates that the 0 comes on briefly when the engine is Messages 133. vehicle has overheated. Driving started. It provides information If the light is on and flashing, the with this light on can damage the about tire pressures and the TPMS. TCS and/or the StabiliTrak system (Continued) is actively working. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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When the Light Is On Steady Engine Oil Pressure Light If the light comes on and stays on, it This indicates that one or more of means that oil is not flowing through the engine properly. The vehicle the tires are significantly Caution underinflated. could be low on oil and might have Lack of proper engine oil some other system problem. See A Driver Information Center (DIC) your dealer. tire pressure message may also maintenance can damage the display. See Tire Messages 0 135. engine. Driving with the engine oil Low Fuel Warning Light Stop as soon as possible, and low can also damage the engine. inflate the tires to the pressure value The repairs would not be covered shown on the Tire and Loading by the vehicle warranty. Check Information label. See Tire the oil level as soon as possible. Pressure 0 260. Add oil if required, but if the oil level is within the operating range When the Light Flashes First and and the oil pressure is still low, Then Is On Steady have the vehicle serviced. Always If the light flashes for about a minute follow the maintenance schedule This light is near the fuel gauge and and then stays on, there may be a for changing engine oil. comes on briefly when the ignition is problem with the TPMS. If the turned on as a check to show it is problem is not corrected, the light working. will come on at every ignition cycle. It also comes on when the fuel tank See Tire Pressure Monitor is low on fuel. The light turns off Operation 0 263. when fuel is added. If it does not, have the vehicle serviced.

This light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Security Light High-Beam On Light This light comes on solid when there is a problem with the AFL system. It flashes when the system is switching between lighting modes. See Adaptive Forward Lighting (AFL) 0 149. Front Fog Lamp Light The security light should come on This light comes on when the briefly as the engine is started. If it high-beam headlamps are in use. does not come on, have the vehicle See Headlamp High/Low-Beam serviced by your dealer. If the Changer 0 148. system is working normally, the indicator light turns off. Adaptive Forward If the light stays on and the engine Lighting (AFL) Light For vehicles with fog lamps, this does not start, there could be a light comes on when the fog lamps problem with the theft-deterrent are on. system. See Immobilizer Operation 0 41. The light goes out when the fog lamps are turned off. See Fog Lamps 0 150 for more information.

This light should come on briefly as the vehicle is started. If it does not come on, have the vehicle serviced by your dealer. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Instruments and Controls 121 Lamps On Reminder Adaptive Cruise Control Light Information Displays Driver Information Center (DIC) The DIC displays are shown in the center of the instrument cluster in the Info App. See Instrument Cluster This light comes on when the This light is white when the Adaptive 0 107. The Info App is only exterior lamps are in use. See Cruise Control (ACC, if equipped) is available when the vehicle is in ON/ Exterior Lamp Controls 0 147. on and ready, and turns green when RUN. The displays show the status the ACC is set and active. See of many vehicle systems. The Cruise Control Light Adaptive Cruise Control 0 193. controls for the DIC are on the right steering wheel control. Door Ajar Light

The cruise control light is white when the cruise control is on and ready, and turns green when the This light comes on when a door is cruise control is set and active. open or not securely latched. Before 0 driving, check that all doors are See Cruise Control 191. properly closed.

y or z : Press to move up or down in a list. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

122 Instruments and Controls

S or T : Press S to open 7. Press V while an item is The Average Fuel Economy display application menus on the left. highlighted to select or shows the approximate average Press T to open interaction menus deselect that item. liters per 100 kilometers (L/100 km) or miles per gallon (mpg). This on the right. DIC Info Pages number is calculated based on the V : Press to open a menu or select The following is the list of all number of L/100 km (mpg) recorded a menu item. Press and hold to possible DIC info page displays. since the last time this menu item reset values on certain screens. Some may not be available for your was reset. This number reflects only the approximate average fuel DIC Info Page Options particular vehicle. Some items may not be turned on by default but can economy that the vehicle has right The info pages on the DIC can be be turned on through the Settings now, and will change as driving conditions change. The Average turned on or off through the app. See “DIC Info Page Options” Options app. earlier in this section. Fuel Economy can be reset by pressing and holding V while this 1. Press S to access the cluster Speed (Sport Theme Only) : applications. Displays the vehicle speed in either display is active, or by pressing T kilometers per hour (km/h) or miles and resetting through the 2. Press y or z to scroll to the per hour (mph). right menu. Options application. Trip A or Trip B with Average Fuel The Average Speed display shows 3. Press V to select the Economy and Average Speed : the average speed of the vehicle in Options app. Displays the current distance kilometers per hour (km/h) or miles traveled, in either kilometers (km) or per hour (mph). This average is 4. Press y or z to scroll to Info miles (mi), since the trip odometer calculated based on the various Pages and press T. was last reset. The trip odometer vehicle speeds recorded since the can be reset by pressing and last reset of this value. The average 5. Select Edit List or press T. holding V while this display is speed can be reset by pressing and holding V while this display is 6. Press y or z to move active, or by pressing T and through the list of possible resetting through the right menu. active, or by pressing T and information displays. resetting through the right menu. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Fuel Range and Instantaneous as possible. See Engine Oil 0 230. Fuel Economy : The left side Fuel Economy : Displays the In addition to the engine oil life displays the best average fuel approximate distance the vehicle system monitoring the oil life, economy (AFE) that is achieved for can be driven without refueling. additional maintenance is a selected distance. The right side LOW will be displayed when the recommended in the Maintenance displays a running average of fuel vehicle is low on fuel. The fuel Schedule. See Maintenance economy for the most recently range estimate is based on an Schedule 0 296. traveled selected distance. The average of the vehicle's fuel The Oil Life display must be reset center bar graph displays the economy over recent driving history instantaneous fuel economy. Press after each oil change. It will not T and the amount of fuel remaining in reset itself. Do not reset the Oil Life to display a page for selecting the fuel tank. display accidentally at any time one of the distance options. Move Displays the current fuel economy in other than when the oil has just the up/down arrow to choose the either liters per 100 kilometers (L/ been changed. It cannot be reset selection, and press V to change 100 km) or miles per gallon (mpg). accurately until the next oil change. the setting. When viewing best AFE, a several second press and hold of This number reflects only the To reset the engine oil life system, V approximate fuel economy that the press and hold V for several will reset the best value. The best vehicle has right now and changes seconds while the Oil Life display is value will show “---“ until the frequently as driving conditions active. See Engine Oil Life selected distance has been change. System 0 232. traveled. The display provides feedback on how current driving Oil Life : Displays an estimate of Tire Pressure : Displays the behavior in the bar graph affects the the oil's remaining useful life. approximate pressures of all four running average in the left display If REMAINING OIL LIFE 99% is tires. Tire pressure is displayed in and how well recent driving displayed, that means 99% of the either kilopascal (kPa) or in pounds compares to the best that has been current oil life remains. per square inch (psi). If the pressure achieved. When the remaining oil life is low, is low, the value for that tire is Following Distance Indicator/Gap the CHANGE ENGINE OIL SOON shown in amber. See Tire Pressure Monitor System 0 262 and Tire Setting : The current follow time to message will appear on the display. the vehicle ahead is displayed as a See Engine Oil Messages 0 130. Pressure Monitor Operation 0 263. time value on this page when The oil should be changed as soon Adaptive Cruise Control (ACC) is Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

124 Instruments and Controls

not engaged. When ACC has been indicates high fuel consumption. engaged, the Following Distance More economical driving will keep Caution Indicator page switches to the Gap the ball in the ECO range. Setting page. This page shows the If you try to use the HUD image current gap setting. See Forward Head-Up Display (HUD) as a parking aid, you may Collision Alert (FCA) System 0 206 misjudge the distance and and Adaptive Cruise Control 0 193. damage your vehicle. Do not use { Warning the HUD image as a parking aid. Top Consumers : Shows a list of the features that are currently If the HUD image is too bright or impacting the fuel economy, in order too high in your field of view, it The HUD information can be from highest to lowest. If a feature is may take you more time to see displayed in various languages. The turned off, it will be removed from things you need to see when it is speedometer reading and other the list. dark outside. Be sure to keep the numerical values can be displayed in either English or metric units. Economy Trend : Displays history HUD image dim and placed low in of the Average Fuel Economy from your field of view. The language selection is changed the last 50 km (30 miles). Each bar through vehicle personalization and represents about 5 km (3 miles) of If equipped with HUD, some the units of measurement is driving. The fuel economy will range information concerning the changed through the instrument from 0 – 15 L/100 km (0 – 50 mpg). operation of the vehicle is projected cluster. See Vehicle Personalization During driving the bars will shift to 0 137 and “Options” under onto the windshield. The information 0 always reflect the most recent is projected through the HUD lens Instrument Cluster 107. distance on the right side. This on the driver side of the instrument display cannot be reset. panel and focused out toward the ECO Index : The bar graph front of the vehicle. provides feedback on the efficiency of current driving behavior. The green ECO ball indicates low fuel consumption. The amber ECO ball Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Some vehicle messages or alerts $ : Press down or lift up to center displayed in the HUD may be the HUD image. The HUD image cleared by using the steering wheel can only be adjusted up and down, controls. See Vehicle not side to side. Messages 0 127. ! : Press to select the display view. Each press will change the display view. D : Lift up and hold to brighten the display. Press down and hold to dim the display. Hold down to turn the display off. HUD Display on the Vehicle The HUD image will automatically Windshield dim and brighten to compensate for The HUD may display some of the outside lighting. The HUD following vehicle information and brightness control can also be vehicle messages or alerts: adjusted as needed. . Speed The HUD image can temporarily The HUD control is to the left of the light up depending on the angle and . Tachometer steering wheel. position of sunlight on the HUD . Audio To adjust the HUD image: display. This is normal. . Phone 1. Adjust the driver seat to a Polarized sunglasses could make comfortable position. the HUD image harder to see. . Navigation 2. Start the engine. HUD Views . Collision Alert 3. Use the following settings to There are four views in the HUD. . Cruise Control adjust the HUD. Some vehicle information and . Lane Departure vehicle messages or alerts may be . Low Fuel displayed in any view. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

126 Instruments and Controls

Metric Metric Metric

English English English Speed View : This display gives the Audio/Phone View : This display Navigation View : This display speedometer reading (in English or includes the information in speed includes the information in speed metric units), Adaptive Cruise view along with audio/phone view along with Turn-by-Turn Control speed, Lane Departure information. The current radio Navigation information. The Warning, and vehicle ahead station, media type, and incoming compass heading is displayed when indicator. Some information only calls will be displayed. navigation routing is not active. appears on vehicles that have these All HUD views may briefly display Navigation Turn-by-Turn Alerts features, and when they are active. audio information when the steering shown in the instrument cluster may wheel controls are used to adjust also be displayed in any HUD view. the audio settings appearing in the instrument cluster. Incoming phone calls appearing in the instrument cluster may also display in any HUD view. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Instruments and Controls 127 If You Cannot See the HUD Vehicle Messages Image When the Ignition Is On Messages displayed on the DIC 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 HUD brightness setting is not . another. too dim or too bright. The messages that do not require HUD is adjusted to the proper . immediate action can be height. acknowledged and cleared by . Polarized sunglasses are pressing V. not worn. The messages that require . Windshield and HUD lens are English immediate action cannot be cleared clean. until that action is performed. Performance View : This display If the HUD image is not correct, gives the speedometer reading (in All messages should be taken contact your dealer. English or metric units), rpm seriously; clearing the message reading, transmission positions, and The windshield is part of the HUD does not correct the problem. gear shift indicator. system. See Windshield The following are the possible Replacement 0 244. Care of the HUD messages and some information about them. Clean the inside of the windshield as needed to remove any dirt or film that could reduce the sharpness or clarity of the HUD image. Clean the HUD lens with a soft cloth sprayed with glass cleaner. Wipe the lens gently, then dry it. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

128 Instruments and Controls

Battery Voltage and Brake System Messages SERVICE PARKING BRAKE Charging Messages BRAKE FLUID LOW This message is displayed when there is a problem with the Electric BATTERY SAVER ACTIVE This message is displayed when the Parking Brake. See Electric Parking This message displays when the brake fluid level is low. See Brake Brake 0 186. Take the vehicle to 0 vehicle has detected that the battery Fluid 241. your dealer. voltage is dropping beyond a RELEASE PARK BRAKE STEP ON BRAKE TO reasonable point. The battery saver system starts reducing features of This message is displayed if the RELEASE PARK BRAKE the vehicle that may be noticed. At Electric Parking Brake is on while This message displays when the point that features are disabled, the vehicle is in motion. Release it attempting to release the Electric this message displays. Turn off before attempting to drive. See Parking Brake without the brake unnecessary accessories to allow Electric Parking Brake 0 186. pedal applied. See Electric Parking 0 the battery to recharge. SERVICE BRAKE ASSIST Brake 186. LOW BATTERY This message may be displayed Compass Messages This message is displayed when the when there is a problem with the battery voltage is low. See Battery - brake boost assist system. When CAL North America 0 242. this message is displayed, the brake This message is displayed when the boost assist motor might be heard SERVICE BATTERY compass needs to be calibrated. operating and you might notice See Compass 0 102. CHARGING SYSTEM pulsation in the brake pedal. This is This message is displayed when normal under these conditions. Take –– the vehicle to your dealer for there is a fault in the battery Dashes will be displayed if the service. charging system. Take the vehicle to compass needs service. See your your dealer for service. dealer for service. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Cruise Control Messages FRONT RADAR BLOCKED — SERVICE ADAPTIVE CRUISE SEE OWNER MANUAL CONTROL ADAPTIVE CRUISE SET TO XXX This message can occur under the This message displays when the following conditions: Adaptive Cruise Control (ACC) This message displays when the . The radar is not clean. Keep the needs service. Take the vehicle to Adaptive Cruise Control (ACC) your dealer. speed is set. See Adaptive Cruise radar sensors free of mud, dirt, Control 0 193. snow, ice, and slush. Clean the SHIFT TO PARK BEFORE entire front and/or rear of the EXITING ADAPTIVE CRUISE vehicle. For cleaning TEMPORARILY UNAVAILABLE instructions, see Exterior This message may display if Care 0 285. Adaptive Cruise Control (ACC) is This message displays when engaged holding the vehicle at a attempting to activate Adaptive . Heavy rain or snow is interfering stop, and the driver attempts to exit Cruise Control (ACC) when it is with the radar object detection or the vehicle. Put the vehicle in temporarily unavailable. The ACC camera performance. P (Park) before exiting. system does not need service. CRUISE SET TO XXX Door Ajar Messages This can occur under the following This message displays when the conditions: cruise control speed is set. See DOOR OPEN . ACC is turned on when the Cruise Control 0 191. vehicle is stopped. This message will display, along NO CRUISE BRAKING GAS with a symbol on the DIC showing . The radar cannot see objects PEDAL APPLIED which door, when the vehicle has well. See the next message. been shifted out of P (Park) or starts This message displays when to move and a door is open. Close Adaptive Cruise Control (ACC) is the door completely. active and the driver is pressing the gas pedal. When this occurs, ACC will not brake. See Adaptive Cruise Control 0 193. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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HOOD OPEN conditioning compressor turns back Engine Oil Messages on. You can continue to drive the This message will display when the vehicle. CHANGE ENGINE OIL SOON hood is open. Close the hood completely. If this message continues to appear, This message displays when the have the system repaired by your engine oil needs to be changed. REAR DOOR UNLOCKED dealer as soon as possible to avoid When you change the engine oil, be This message will display when the damage to the engine. sure to reset the oil life system. See Engine Oil Life System 0 232, Driver vehicle is in D (Drive) and a rear ENGINE OVERHEATED door handle is pulled. — Information Center (DIC) 0 121, IDLE ENGINE Engine Oil 0 230, and Maintenance TRUNK OPEN This message displays when the Schedule 0 296. This message will display when the engine coolant temperature is too ENGINE OIL HOT, IDLE trunk is open. Close the trunk hot. Stop and allow the vehicle to ENGINE completely. idle until it cools down. This message displays when the ENGINE OVERHEATED — engine oil temperature is too hot. Engine Cooling System STOP ENGINE Messages Stop and allow the vehicle to idle This message displays and a until it cools down. A/C OFF DUE TO HIGH continuous chime sounds if the ENGINE OIL LOW — ADD OIL ENGINE TEMP engine cooling system reaches unsafe temperatures for operation. On some vehicles, this message This message displays when the Stop and turn off the vehicle as displays when the engine oil level engine coolant becomes hotter than soon as it is safe to do so to avoid may be too low. Check the oil level the normal operating temperature. severe damage. This message before filling to the recommended To avoid added strain on a hot clears when the engine has cooled level. If the oil is not low and this engine, the air conditioning to a safe operating temperature. message remains on, take the compressor automatically turns off. vehicle to your dealer for service. When the coolant temperature See Engine Oil 0 230. returns to normal, the air Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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OIL PRESSURE LOW — STOP repeatedly, the vehicle should be five minutes. Press the brake pedal ENGINE taken to your dealer for service as and ENGINE START/STOP to soon as possible. restart the vehicle. This message displays if low oil pressure levels occur. Stop the Fuel System Messages NO REMOTE KEY WAS vehicle as soon as safely possible DETECTED PLACE KEY IN and do not operate it until the cause FUEL LEVEL LOW TRANSMITTER POCKET THEN of the low oil pressure has been START YOUR VEHICLE corrected. Check the oil as soon as This message displays when the possible and have the vehicle vehicle is low on fuel. Refuel as This message displays when trying serviced by your dealer. soon as possible. to start the vehicle if an RKE transmitter is not detected. The Engine Power Messages Key and Lock Messages transmitter battery may be weak. See “Starting the Vehicle with a Low ENGINE POWER IS REDUCED NO REMOTE DETECTED Transmitter Battery” under Remote Keyless Entry (RKE) System This message displays when the This message displays when the Operation 0 27. vehicle's engine power is reduced. transmitter battery may be weak. Reduced engine power can affect See “Starting the Vehicle with a Low REMOTE LEFT IN VEHICLE the vehicle's ability to accelerate. Transmitter Battery” under Remote If this message is on, but there is no Keyless Entry (RKE) System This message displays when 0 reduction in performance, proceed Operation 27. leaving the vehicle with the RKE transmitter still inside. to your destination. The NO REMOTE DETECTED performance may be reduced the PRESS BRAKE TO RESTART REPLACE BATTERY IN next time the vehicle is driven. The REMOTE KEY vehicle may be driven at a reduced This message displays when speed while this message is on, but attempting to turn off the vehicle This message displays when the maximum acceleration and speed and the RKE transmitter is no longer battery in the RKE transmitter needs may be reduced. Anytime this detected. Restarting is allowed to be replaced. message stays on, or displays without the RKE transmitter for Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

132 Instruments and Controls

Lamp Messages This setting disables most FAB FRONT CAMERA BLOCKED functions. See Forward Automatic CLEAN WINDSHIELD AFL (Adaptive Forward Braking (FAB) 0 208. Lighting) LAMPS NEED This message displays when the FORWARD COLLISION camera is blocked. Cleaning the SERVICE SYSTEM UNAVAILABLE outside of the windshield behind the This message displays when the rearview mirror may correct the Adaptive Forward Lighting (AFL) This message displays when issue. The Lane Departure Warning system is disabled and needs Forward Automatic Braking (FAB) (LDW) system will not operate. service. See your dealer. See has been unavailable for some time. Forward Collision Alert (FCA) may Adaptive Forward Lighting (AFL) FAB does not need service. This not work or may not work as well. 0 149 for more information. message can display under the following conditions: LANE CHANGE ALERT OFF Object Detection System . The front of the vehicle or This message indicates that the Messages windshield is not clean. Keep driver has turned the Side Blind these areas clean and free of Zone Alert (SBZA) and Lane FORWARD COLLISION mud, dirt, snow, ice, and slush. Change Alert (LCA) systems off. SYSTEM OFF For cleaning instructions, see Exterior Care 0 285. LANE KEEPING ASSIST This message displays when the UNAVAILABLE Forward Automatic Braking (FAB) . Heavy rain or snow is interfering has been turned off. See Forward with the object detection This message displays when the Automatic Braking (FAB) 0 208. performance. Lane Keep Assist (LKA) and Lane Departure Warning (LDW) system is FORWARD COLLISION This message may also be temporarily unavailable. The LKA displayed if there is a problem with system does not need service. SYSTEM REDUCED the StabiliTrak system. See Traction This message displays when Control/Electronic Stability This message could be due to the Forward Automatic Braking (FAB) Control 0 189. camera being blocked. Cleaning the has been set to the Alert setting. outside of the windshield behind the rearview mirror may correct the issue. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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PARK ASSIST OFF Forward Collision Alert (FCA) vehicle is passing through an open features. Take the vehicle to your area, such as the desert, where This message displays when the dealer. there is insufficient data for Parking Assist system has been operation. This message may also turned off or when there is a SERVICE PARKING ASSIST activate during heavy rain or due to temporary condition causing the road spray. The vehicle does not system to be disabled. This message displays if there is a problem with the Parking Assist need service. For cleaning, see REAR CROSS TRAFFIC system. Do not use this system to "Washing the Vehicle" under ALERT OFF help you park. See your dealer for Exterior Care 0 285. service. This message displays when the Ride Control System Rear Cross Traffic Alert has been SERVICE SIDE DETECTION turned off. SYSTEM Messages SERVICE FORWARD If this message remains on after SERVICE ALL WHEEL DRIVE COLLISION SYSTEM continued driving, the vehicle needs SYSTEM service. Side Blind Zone Alert If this message displays, take the This message displays when there (SBZA), Lane Change Alert (LCA), is a problem with the AWD system. vehicle to your dealer to repair the and Rear Cross Traffic Alert (RCTA) system. Adaptive Cruise Control This message could be set by a features will not work. Take the number of issues. Some may (ACC), Forward Collision Alert vehicle to your dealer. (FCA), and/or Forward Automatic require service of the All-Wheel Braking (FAB) may not work. Do not SIDE DETECTION SYSTEM Drive system; some will not. The use these systems until the vehicle UNAVAILABLE vehicle will run in normal has been repaired. two-wheel-drive mode when this This message indicates that Side message has been set. This could SERVICE FRONT CAMERA Blind Zone Alert (SBZA), Lane be caused by: Change Alert (LCA), and Rear If this message remains on after Cross Traffic Alert (RCTA) are . A vehicle or an AWD system continued driving, the vehicle needs disabled either because the sensor electronics problem. service. Do not use the Lane is blocked and cannot detect Departure Warning (LDW) and . Various vehicle electrical issues. vehicles in the blind zone, or the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

134 Instruments and Controls

. Worn out or overheated clutch the system. Stop; turn off the engine Security Messages plates. for at least 15 seconds; then start THEFT ATTEMPTED . Loss of fluids. the engine again. If this message still comes on, it means there is a This message displays if the vehicle If this message appears, stop when problem. See your dealer for detects a tamper condition. convenient and turn off the ignition service. The vehicle is safe to drive, for 30 seconds. Restart the vehicle however, you do not have the and check for the message on the benefit of StabiliTrak, so reduce Service Vehicle Messages DIC display. If the message has your speed and drive accordingly. SERVICE POWER STEERING gone off and stays off, it is not necessary to take the vehicle to SPORT MODE ON This message displays and a chime your dealer. If the message still This message displays when using may sound when there may be a displays or appears again when you the Selective Ride Control. See problem with the power steering begin driving, the system needs Selective Ride Control 0 191. system. If this message displays service. See your dealer. and a reduction in steering TRACTION CONTROL OFF performance or loss of power SERVICE TRACTION steering assistance is noticed, see This message displays when the CONTROL your dealer. Traction Control System (TCS) is This message displays when there turned off. Adjust your driving SERVICE VEHICLE SOON is a problem with the Traction accordingly. Control System (TCS). When this This message is displayed if there is message is displayed, the system Airbag System Messages a problem with the vehicle. Take the will not limit wheel spin. Adjust your vehicle to your dealer for service. driving accordingly. See your dealer SERVICE AIRBAG for service. This message displays if there is a SERVICE STABILITRAK problem with the airbag system. See your dealer for service. This message displays if there is a problem with the StabiliTrak system. If this message appears, try to reset Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Steering System SERVICE KEYLESS START The low tire pressure warning light SYSTEM will also come on. See Tire Messages Pressure Light 0 118. This message is displayed if there is STEERING ASSIST IS a problem with the pushbutton start If a tire pressure message displays, REDUCED DRIVE WITH CARE system. Take the vehicle to your inflate the tires until the tire pressure This message may display if a dealer for service. is equal to the values shown on the Tire and Loading Information label. problem occurs with the electric 0 power steering system. If this Tire Messages See Tires 253, Vehicle Load Limits 0 260, and Tire message appears, steering effort 0 may be slightly higher than normal. SERVICE TIRE MONITOR Pressure 260. The vehicle is still safe to drive. Use SYSTEM More than one tire pressure caution while in reduced assist This message displays if there is a message can be received at a time. mode. If this message is persistent problem with the Tire Pressure The DIC also shows the tire or appears repeatedly, take the Monitor System (TPMS). See Tire pressure values. See Driver vehicle to your dealer for service. Pressure Monitor Operation 0 263. Information Center (DIC) 0 121. See Steering 0 164. TIRE LEARNING ACTIVE Transmission Messages Starting the Vehicle This message displays when the SERVICE TRANSMISSION Messages system is learning new tires. See Tire Pressure Monitor There may be a problem with the PRESS BRAKE TO START Operation 0 263. transmission. See your dealer. This message is displayed when TIRE PRESSURE LOW ADD SERVICE TRANSMISSION attempting to start the vehicle AIR TO TIRE NOW UNABLE TO without first pressing the brake pedal. On vehicles with the Tire Pressure SHIFT SOON Monitor System (TPMS), this The transmission needs service. message displays when the Unless the vehicle is serviced, the pressure in one or more of the transmission will be unable to be vehicle's tires is low. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

136 Instruments and Controls

shifted out of P (Park) soon. Have SHIFT TO PARK SPEED LIMIT SET TO XXX the vehicle serviced as soon as This message displays when the This message is displayed when the possible. transmission needs to be shifted to speed warning is set. See "Speed SERVICE SHIFTER SEE P (Park). This may appear when Warning" under Instrument 0 OWNER’S MANUAL turning the ignition off if the vehicle Cluster 107. is not in P (Park). The shift lever needs service. Have Window Messages the vehicle serviced as soon as TRANSMISSION HOT — IDLE possible. If the vehicle is ENGINE OPEN, THEN CLOSE DRIVER/ automatically shifting into P (Park), This message displays and a chime PASSENGER WINDOW check to see if the shift lever unlock sounds if the transmission fluid in button is stuck. To operate the This message is displayed when the the vehicle gets hot. Driving with the vehicle, hold the shift lever in the window needs to be reprogrammed. transmission fluid temperature high desired gear, R (Reverse) or D If the vehicle's battery has been can cause damage to the vehicle. (Drive), until vehicle speed exceeds discharged or disconnected, you Stop the vehicle and let it idle to 15 km/h (10 mph), then release the may need to program each front allow the transmission to cool. This shift lever. window for the express-up feature to message clears when the fluid work. See Power Windows 0 45. SHIFT DENIED temperature reaches a safe level. This message displays when attempting to shift to a gear not Vehicle Speed Messages appropriate for the vehicle speed SPEED LIMIT EXCEEDED and engine revolutions per minute (rpm). This message is displayed when the vehicle speed is greater than the speed warning speed. See "Speed Warning" under Instrument Cluster 0 107. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Instruments and Controls 137 Vehicle Personalization Menus Time and Date Personalization The following list of features may be Manually set the time and date. See available: Clock 0 102. Use the audio system controls to . Time and Date access the personalization menus Language (Language) for customizing vehicle features. . Rear Seat Reminder Select Language, then select from The following are all possible . Language the available language(s). personalization features. Depending . Valet Mode Rear Seat Reminder on the vehicle, some may not be available. . Teen Driver This allows for a chime and a . Radio message ‘Look in Rear Seat’ when To access the personalization the rear door has been opened menus: . Vehicle before or during operation of the 1. Press SETTINGS on the Home . Bluetooth vehicle. page on the infotainment Select Off or On. display. . Apple CarPlay 2. Press the desired feature to . Android Auto Valet Mode display a list of available . Voice To turn Valet Mode on and off, see options. . Display “Valet Mode” under “Setting Radio 3. Press the desired option. Preferences” in the infotainment . Rear Camera manual. 4. Press to select the desired . Return to Factory Settings option setting. Teen Driver . Software Information 5. Press q BACK to return to the See “Teen Driver” under “Settings” previous menu. . Wi-Fi in the infotainment manual. Each menu is detailed in the following information. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

138 Instruments and Controls

Radio Auto Fan Speed Collision/Detection Systems To manage the radio features, see This feature will set the auto fan Select and the following may be “Radio Setup” under “Setting Radio speed. displayed: Preferences” in the infotainment Select Low, Medium, or High. . Alert Type manual. Air Quality Sensor . Forward Collision System Vehicle This feature may operate the . Front Pedestrian Detection Select and the following may be recirculation mode automatically. . Rear Cross Traffic Alert displayed: Select Off, Low Sensitivity, or High . Go Notifier or Adaptive Cruise . Climate and Air Quality Sensitivity. Go Notifier . Collision/Detection Systems Auto Defog . Lane Change Alert . Comfort and Convenience If equipped, the front defog will . Side Blind Zone Alert . Lighting automatically react to temperature and humidity conditions that may Alert Type . Power Door Locks cause fogging. This feature allows the alert type to . Remote Lock, Unlock, Start Select Off or On. be changed for the Safety Climate and Air Quality Alert Seat. Auto Rear Defog Select and the following may be Select Beeps or Safety Alert Seat. This allows the Auto Rear Defog to displayed: be turned on or off. This feature will Forward Collision System . Auto Fan Speed automatically turn on the rear This feature will turn on or off the . Air Quality Sensor window defogger when it is cold Forward Collision Alert (FCA) and outside. Forward Automatic Braking (FAB). . Auto Defog Select Off or On. The Off setting disables all FCA and . Auto Rear Defog FAB functions. With the Alert and Brake setting, both FCA and FAB Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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are available. The Alert setting See Adaptive Cruise Control 0 193. Easy Exit Options disables FAB. See Forward This feature automatically recalls Automatic Braking (FAB) 0 208. Lane Change Alert the current driver’s previously stored Select Off, Alert, or Alert and Brake. This allows the Lane Change Alert Exit button position when exiting the feature to be turned on or off. vehicle. Front Pedestrian Detection Select Off or On. See Lane Change See Memory Seats 0 53. This feature may help avoid or Alert (LCA) 0 212. reduce the harm caused by Select Off or On. Side Blind Zone Alert front-end crashes with nearby Chime Volume pedestrians. Select Off or On. See Side Blind Zone Alert (SBZA) 0 211. This allows the selection of the See Front Pedestrian Braking (FPB) chime volume level. System 0 209. Comfort and Convenience Press + or − to adjust the volume. Select Off, Alert, or Alert and Brake. Select and the following may be Reverse Tilt Mirror Rear Cross Traffic Alert displayed: . Auto Memory Recall When on, both the driver and Select Off or On. See Assistance passenger outside mirrors will tilt Systems for Parking or . Easy Exit Options 0 downward when the vehicle is Backing 202. . Chime Volume shifted to R (Reverse) to improve Go Notifier or Adaptive Cruise Go . Reverse Tilt Mirror visibility of the ground near the rear Notifier wheels. They will return to their . Automatic Vehicle Hold previous driving position when the This feature will give a reminder that Auto Memory Recall vehicle is shifted out of R (Reverse) Adaptive Cruise Control provides or the engine is turned off. when it has brought the vehicle to a This feature automatically recalls Select Off, On - Driver and complete stop behind another the current driver’s previously stored stopping vehicle, and then that 1 or 2 button positions when the Passenger, On - Driver, or On - vehicle drives on. ignition is turned on. See Memory Passenger. Select Off or On. Seats 0 53. Select Off or On. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

140 Instruments and Controls

Automatic Vehicle Hold Select Off, 30 Seconds, 60 Delayed Door Lock This allows the duration of the Seconds, or 120 Seconds. When on, this feature will delay the Automatic Vehicle Hold to be Power Door Locks locking of the doors. To override the changed. See Automatic Vehicle delay, press the power door lock Hold (AVH) 0 188. Select and the following may be switch on the door. displayed: Select Long and Auto Park Brake Select Off or On. On or Short and Auto Park . Unlocked Door Anti Lock Out Brake Off. . Auto Door Unlock Remote Lock, Unlock, Start . Delayed Door Lock Select and the following may be Lighting displayed: Select and the following may be Unlocked Door Anti Lock Out . Remote Unlock Light Feedback displayed: When on, this feature will keep the . Remote Lock Feedback . Vehicle Locator Lights driver door from locking when the door is open. If Off is selected, the . Remote Door Unlock . Exit Lighting Delayed Door Lock menu will be . Remote Start Auto Cool Seats Vehicle Locator Lights available. . Remote Start Auto Heat Seats This feature will flash the exterior Select Off or On. K . Passive Door Unlock lamps when on the Remote Auto Door Unlock Keyless Entry (RKE) transmitter is . Passive Door Lock pressed to locate the vehicle. This allows selection of which of the doors will automatically unlock when . Remote Left in Vehicle Alert Select Off or On. the vehicle is shifted into P (Park). Remote Unlock Light Feedback Exit Lighting Select Off, All Doors, or Driver Door. When on, the exterior lamps will This allows the selection of how flash when unlocking the vehicle long the exterior lamps stay on with the RKE transmitter. when leaving the vehicle when it is Select Off or Flash Lights. dark outside. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Remote Lock Feedback Passive Door Unlock . Voice Mail Numbers This allows selection of what type of This allows the selection of what . Text Message Alerts feedback is given when locking the doors will unlock when using the vehicle with the RKE transmitter. button on the driver door to unlock Pair New Device Select Off, Lights and Horn, Lights the vehicle. Select to pair a new device. See Only, or Horn Only. Select All Doors or Driver Door. “Pairing” in “Infotainment Controls” under “Bluetooth” in the infotainment Remote Door Unlock Passive Door Lock manual. This allows selection of which doors This allows passive locking to be Device Management turned on or off and selects will unlock when pressing K on the Select to connect to a different RKE transmitter. feedback. See Remote Keyless Entry (RKE) System Operation 0 27. phone source, disconnect a phone, Select All Doors or Driver Door. or delete a phone. Select Off, On with Horn Remote Start Auto Cool Seats Chirp, or On. Ringtones If equipped and turned on, this Remote Left in Vehicle Alert Press to change the ring tone for feature will turn the ventilated seats the specific phone. The phone does on when using remote start on This feature sounds an alert when not need to be connected to change warm days. the RKE transmitter is left in the the ring tone. vehicle. This menu also enables Select Off, On-Driver and Remote No Longer in Vehicle Alert. Voice Mail Numbers Passenger, or On-Driver. Select Off or On. This feature displays the voice mail Remote Start Auto Heat Seats number for all connected phones. Bluetooth To change the voice mail number, If equipped and turned on, this select EDIT or press the EDIT feature will turn the heated seats on Select and the following may be displayed: button. Type a new number, then when using remote start on select SAVE or press the SAVE cold days. . Pair New Device button. Select Off, On-Driver and . Device Management Passenger, or On-Driver. . Ringtones Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

142 Instruments and Controls

Text Message Alerts Android Auto™ . Audio Feedback Speed This allows the feature to be turned Select and the following may . Display “What Can I Say?” Tips on or off. display: Confidence Threshold Select Off or On. Android Auto . This feature allows the adjustment Apple CarPlay™ . Manage Android Auto Devices of the sensitivity of the speech recognition system. Select and the following may Android Auto Select Confirm More or display: This feature allows Android devices Confirm Less. . Apple CarPlay to be connected to the infotainment system through a USB port. See . Manage Apple CarPlay Devices Prompt Length Apple CarPlay and Android Auto “ ” This feature adjusts the voice Apple CarPlay under Phone in the infotainment “ ” prompt length. This feature allows Apple devices to manual. Select Short or Long. be connected to the infotainment Select Off or On. system through a USB port. See Audio Feedback Speed Apple CarPlay and Android Auto Manage Android Auto Devices “ ” This feature adjusts the audio under Phone in the infotainment Select to manage Android devices. “ ” feedback speed. manual. Android Auto must be on for this Select Slow, Medium, or Fast. Select Off or On. feature to be accessed. See “Apple CarPlay and Android Auto” under Display “What Can I Say?” Tips Manage Apple CarPlay Devices “Phone” in the infotainment manual. This feature gives tips on what to Select to manage Apple devices. Voice say when using voice recognition. Apple CarPlay must be on for this feature to be accessed. See “Apple Select and the following may be Select Off or On. CarPlay and Android Auto” under displayed: “Phone” in the infotainment manual. . Confidence Threshold . Prompt Length Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Display . Rear Park Assist Symbols Restore Radio Settings Select and the following may be Guidance Lines This allows selection to restore displayed: radio settings. Select to turn Off or On. See . Theme Assistance Systems for Parking or Select Restore or Cancel. 0 . Calibrate Touchscreen Backing 202. Software Information . Turn Display Off Rear Park Assist Symbols Select to view the infotainment Theme Select to turn Off or On. See system current software information. Assistance Systems for Parking or Select to change the color, font, and Backing 0 202. Wi-Fi art of the display. Select and the following may Return to Factory Settings Select Contemporary, Mainstreet, display: Edge, or Velocity. Select and the following may be . Wi-Fi displayed: Calibrate Touchscreen . Manage Wi-Fi Networks . Restore Vehicle Settings Select to calibrate the touchscreen, Wi-Fi then follow the prompts. . Clear All Private Data This feature allows Wi-Fi networks . Restore Radio Settings Turn Display Off to be turned of or on. Select to turn the display off. Touch Restore Vehicle Settings Select Off or On. anywhere on the display area or This allows selection of restoring Manage Wi-Fi Networks press any faceplate button to turn vehicle settings. the display on. Select to manage Wi-Fi networks. Select Restore or Cancel. Wi-Fi must be on for this feature to Rear Camera Clear All Private Data be accessed. Select and the following may be This allows selection to clear all displayed: private information from the vehicle. Guidance Lines . Select Delete or Cancel. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

144 Instruments and Controls Universal Remote instructions refer to a garage door Make sure the hand-held transmitter opener, but can be used for other has a new battery for quick and System devices. accurate transmission of the radio-frequency signal. See Radio Frequency Do not use the Universal Remote Statement 0 321. system with any garage door opener Programming the Universal that does not have the stop and Remote System Universal Remote System reverse feature. This includes any garage door opener model For questions or help programming Programming manufactured before April 1, 1982. the Universal Remote system, call 1-800-355-3515 or see Read these instructions completely www.homelink.com. before programming the Universal Remote system. It may help to have Programming involves another person assist with the time-sensitive actions, and may time programming process. out causing the procedure to be repeated. Keep the original hand-held transmitter for use in other vehicles To program up to three devices: as well as for future programming. 1. Hold the end of the hand-held Erase the programming when transmitter about 3 to 8 cm (1 vehicle ownership is terminated. to 3 in) away from the See “Erasing Universal Remote Universal Remote system System Buttons” later in this buttons with the indicator light If equipped, these buttons are in the section. in view. The hand-held overhead console. To program a garage door opener, transmitter was supplied by the park outside directly in line with and manufacturer of the garage This system can replace up to three door opener receiver. remote control transmitters used to facing the garage door opener activate devices such as garage receiver. Clear all people and 2. At the same time, press and door openers, security systems, and objects near the garage door. hold both the hand-held home automation devices. These transmitter button and one of the three Universal Remote Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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system buttons to be used to be required. For a second The name and color of the operate the garage door. Do time, press and hold the button may vary by not release either button until newly programmed button manufacturer. the indicator light changes from for five seconds. If the light 5. Press and release the Learn or a slow to a rapid flash. Then stays on or the garage door Smart button. Step 6 must be release both buttons. moves, programming is completed within 30 seconds of Some garage door openers complete. pressing this button. may require substitution of . If the indicator light blinks 6. Inside the vehicle, press and Step 2 with the procedure rapidly for two seconds, hold the newly programmed under “Radio Signals for then changes to a solid light Universal Remote system Canada and Some Gate and the garage door does button for two seconds and Operators” later in this section. not move, continue with then release it. If the garage 3. Press and hold the newly programming Steps 4–6. door does not move or the programmed Universal Remote lamp on the garage door system button for five seconds opener receiver does not flash, while watching the indicator press and hold the same light and garage door button a second time for activation. two seconds, then release it. . If the indicator light stays on Again, if the door does not continuously or the garage move or the garage door lamp door moves when the does not flash, press and hold the same button a third time for button is pressed, then Learn or Smart Button programming is complete. two seconds, then release it. There is no need to 4. After completing Steps 1–3, The Universal Remote system complete Steps 4–6. locate the Learn or Smart should now activate the button inside garage on the If the indicator light does garage door. . garage door opener receiver. not come on or the garage Repeat the process for door does not move, a programming the two remaining second button press may buttons. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Radio Signals for Canada and Universal Remote System Reprogramming a Single Some Gate Operators Operation Universal Remote System For questions or programming help Button call 1-800-355-3515 or see Using the Universal Remote To reprogram any of the system www.homelink.com. System buttons: Canadian radio-frequency laws and Press and hold the appropriate 1. Press and hold any one of the some U.S. gate operators require Universal Remote system button for buttons. Do not release the transmitter signals to time out or quit at least one-half second. The button. after several seconds of indicator light will come on while the 2. The indicator light will begin to transmission. This may not be long signal is being transmitted. flash after 20 seconds. Without enough for the Universal Remote Erasing Universal Remote releasing the button, proceed system to pick up the signal during System Buttons with Step 1 under programming. Erase all programmed buttons when “Programming the Universal If the programming did not work, vehicle ownership is terminated. Remote System.” replace Step 2 under “Programming the Universal Remote System” with To erase: the following: 1. Press and hold the two outside Press and hold the Universal buttons until the indicator light Remote system button while begins to flash. This should pressing and releasing the take about 10 seconds. hand-held transmitter button every 2. Release both buttons. two seconds until the signal has been successfully accepted by the Universal Remote system. The Universal Remote system indicator light will flash slowly at first and then rapidly. Proceed with Step 3 under “Programming the Universal Remote System” to complete. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Lighting 147 Interior Lighting Exterior Lighting Lighting Instrument Panel Illumination Control ...... 151 Exterior Lamp Controls Exterior Lighting Dome Lamps ...... 151 Reading Lamps ...... 151 Exterior Lamp Controls ...... 147 Sun Visor Lamps ...... 152 Exterior Lamps Off Reminder ...... 148 Lighting Features Headlamp High/Low-Beam Entry Lighting ...... 152 Changer ...... 148 Exit Lighting ...... 152 Flash-to-Pass ...... 148 Battery Load Management . . . 152 Daytime Running Battery Power Protection . . . . . 153 Lamps (DRL) ...... 148 Automatic Headlamp System ...... 148 The exterior lamp control is on the Adaptive Forward instrument panel to the left of the Lighting (AFL) ...... 149 steering column. Hazard Warning Flashers . . . . . 149 Turn and Lane-Change There are four positions. Signals ...... 150 O : Turns off the automatic Fog Lamps ...... 150 headlamps and daytime running lamps (DRL). Turn to the off position again to turn the automatic headlamps or DRL back on. AUTO : Turns the exterior lamps on and off automatically depending on outside lighting. ; : Turns on the parking lamps including all lamps, except the headlamps. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

148 Lighting

5 : Turns on the headlamps Flash-to-Pass When the DRL are on, the taillamps, together with the parking lamps and sidemarker lamps, instrument panel To flash the high beams, pull the instrument panel lights. lights, and other lamps will not turn signal lever toward you, and be on. release. Exterior Lamps Off The DRL turn off when the Reminder Daytime Running headlamps are turned to O or the ignition is off. A warning chime sounds if the driver Lamps (DRL) door is opened while the ignition is This vehicle may have a DRL DRL can make it easier for others to off and the exterior lamps are on. disabling function. When the DRL see the front of your vehicle during are on and a turn signal is activated, the day. Fully functional DRL are the DRL on that side will be off until Headlamp High/ required on all vehicles first sold in the turn signal goes off. Low-Beam Changer Canada. Push the turn signal lever away If equipped with High Intensity Automatic Headlamp from you and release to turn the Discharge (HID) headlamps, the System high beams on. To return to low dedicated DRL will come on when beams, push the lever again or pull all of the following conditions When the exterior lamp control is it toward you and release. are met: set to AUTO and it is dark enough . The ignition is on. outside, the headlamps come on automatically. . The exterior lamps control is in AUTO. . The light sensor determines it is daytime. . The parking brake is released or This indicator light turns on in the the vehicle is not in P (Park). instrument cluster when the high-beam headlamps are on. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Adaptive Forward Hazard Warning Flashers Lighting (AFL) If equipped, the AFL pivots the headlamps horizontally to provide greater road illumination while turning. To enable AFL, set the exterior lamp control to the AUTO position. Moving the switch out of the AUTO position deactivates the system. AFL operates when the vehicle speed is greater than 3 km/h (2 mph). AFL does not operate There is a light sensor on top of the when the transmission is in instrument panel. Do not cover the R (Reverse). AFL is not immediately sensor; otherwise the headlamps operable after starting the vehicle; will come on when they are not | driving a short distance is required : Press to make the front and needed. to calibrate the AFL. See Exterior rear turn signal lamps flash on and The system may also turn on the Lamp Controls 0 147. off. Press again to turn the headlamps when driving through a flashers off. parking garage or tunnel. The hazard warning flashers turn on When it is bright enough outside, automatically if the airbags deploy. the headlamps will turn off or may change to Daytime Running Lamps (DRL). The automatic headlamp system turns off when the exterior lamp control is turned to O or the ignition is off. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Turn and Lane-Change If after signaling a turn or lane If the fog lamps are turned on while change the arrow flashes rapidly or the exterior lamp control is in the Signals does not come on, a signal bulb AUTO position, the headlamps might be burned out. come on automatically. Have any burned out bulbs 9 : Press to turn on or off. An replaced. If the bulb is not burned indicator light on the instrument out, check the fuse. See Fuses and cluster comes on when the fog Circuit Breakers 0 248. lamps are on. 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. Raise or lower the lever until the arrow starts to flash to signal a lane change. Hold it there until the lane The fog lamps button is on the change is completed. If the lever is instrument panel to left of the briefly pressed and released, the steering wheel. turn signal flashes three times. To turn on the fog lamps, the ignition The turn and lane-change signal and the headlamps or parking lamps can be turned off manually by must be on. moving the lever back to its original position. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Lighting 151 Interior Lighting Dome Lamps + ON/OFF : Press to turn the dome lamps on manually. Instrument Panel Reading Lamps Illumination Control There are reading lamps on the overhead console and over the rear passenger doors.

The brightness of the instrument The dome lamp controls are in the cluster display, infotainment display overhead console. and controls, steering wheel To operate, press the following controls, and all other illuminated buttons: controls, as well as feature status j OFF : Press to turn off the indicators can be adjusted. dome lamps when a door is open. Front Reading Lamps The knob for this feature is on the An indicator light on the button will Press the lamp lenses to turn the instrument panel beside the steering turn on when the dome lamp front reading lamps on or off. column. override is activated. Press j Press to extend the knob, then turn OFF again to deactivate this feature it clockwise or counterclockwise to and the indicator light will turn off. brighten or dim the lights. The dome lamps will come on when doors are opened. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

152 Lighting Lighting Features the OFF position. The exterior lamps and dome lamp remain on for a set amount of time, then Entry Lighting automatically turn off. Some exterior lamps and most of The exterior lamps turn off the interior lamps turn on briefly at immediately by turning the exterior night or in areas with limited lighting lamp control off. when the Remote Keyless Entry This feature can be changed. See (RKE) transmitter K button is Rear Reading Lamps Vehicle Personalization 0 137. pressed. See Remote Keyless Entry Press the lamp lenses to turn the (RKE) System Operation 0 27. After rear passenger reading lamps on about 30 seconds the exterior lamps Battery Load or off. turn off, then the dome lamps and Management remaining interior lamps dim to off. The vehicle has Electric Power Sun Visor Lamps Entry lighting can be disabled Management (EPM) that estimates manually by changing the ignition the battery's temperature and state This lamp turns on when the cover out of the OFF position, or by is opened. of charge. It then adjusts the voltage pressing the RKE transmitter Q for best performance and extended button. life of the battery. This feature can be changed. See When the battery's state of charge Vehicle Personalization 0 137. is low, the voltage is raised slightly to quickly bring the charge back up. Exit Lighting When the state of charge is high, the voltage is lowered slightly to Some exterior lamps and interior prevent overcharging. If the vehicle lights come on at night, or in areas has a voltmeter gauge or a voltage with limited lighting, when the driver display on the Driver Information door is opened after the ignition is Center (DIC), you may see the turned off. The dome lamp comes on after the ignition is changed to Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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voltage move up or down. This is Normally, these actions occur in normal. If there is a problem, an steps or levels, without being alert will be displayed. noticeable. In rare cases at the The battery can be discharged at highest levels of corrective action, idle if the electrical loads are very this action may be noticeable to the high. This is true for all vehicles. driver. If so, a DIC message might This is because the generator be displayed and it is recommended (alternator) may not be spinning fast that the driver reduce the electrical enough at idle to produce all of the loads as much as possible. See Battery Voltage and Charging power needed for very high 0 electrical loads. Messages 128. A high electrical load occurs when Battery Power Protection several of the following are on, such as: headlamps, high beams, rear The battery saver feature is window defogger, climate control fan designed to protect the vehicle's at high speed, heated seats, engine battery. cooling fans, trailer loads, and loads If the exterior lamps or any interior plugged into accessory power lamp is left on and the ignition is outlets. turned off, the battery rundown EPM works to prevent excessive protection system automatically discharge of the battery. It does this turns the lamp off after about by balancing the generator's output 10 minutes. and the vehicle's electrical needs. It can increase engine idle speed to generate more power whenever needed. It can temporarily reduce the power demands of some accessories. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

154 Infotainment System Infotainment Introduction System Infotainment See the infotainment manual for Introduction information on the radio, audio Infotainment ...... 154 players, phone, navigation system, and voice or speech recognition. It also includes information on settings. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Climate Controls 155 Climate Controls Climate Control Systems Dual Automatic Climate Control System Climate Control Systems The heating, cooling, and ventilation in the vehicle can be controlled with this Dual Automatic Climate system. Control System ...... 155 Air Vents Air Vents ...... 159 Maintenance Air Intake ...... 160 Passenger Compartment Air Filter ...... 160 Service ...... 160

Climate Control Buttons

1. Driver and Passenger 5. CLIMATE Temperature Displays 6. MAX Defrost 2. Driver and Passenger 7. Recirculation Temperature Controls 8. Rear Window Defogger and 3. Driver and Passenger Heated Heated Outside Mirrors and Ventilated Seats (If Equipped) (If Equipped) 9. Power (ON/OFF) 4. Fan Controls Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

156 Climate Controls

10. AUTO (Automatic Operation) The fan, air delivery mode, air adjusted. The air delivery mode can conditioning, driver and passenger be adjusted on the climate control temperatures, and Sync settings status screen. can be controlled by touching CLIMATE on the infotainment Automatic Operation display Home Page or the climate The system automatically controls button in the touch screen the fan speed, air delivery, air application tray. A selection can conditioning, and recirculation in then be made on the front climate order to heat or cool the vehicle to control page displayed. See the the desired temperature. infotainment manual. When AUTO is lit, all four functions Climate Control Status Screen operate automatically. Each function can also be manually set and the Climate Touch Screen Controls selected setting is displayed. Functions not manually set will 1. Outside Temperature Display continue to be automatically 2. Driver and Passenger controlled, even if the AUTO Temperature Controls indicator is not lit. 3. Fan Control For automatic operation: 4. Sync (Synchronized 1. Press AUTO. Temperature) 2. Set the temperature. Allow the 5. A/C (Air Conditioning) system time to stabilize. Adjust the temperature as needed for 6. Climate Control Selection best comfort. (Application Tray Button) To improve fuel efficiency and to 7. Air Delivery Mode Control The climate control status screen appears briefly when the climate cool the vehicle faster with A/C on, control buttons on the faceplate are recirculation may be automatically Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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selected in warm weather. Press ON/OFF : Press to turn the fan on To change the current mode, select @ to select recirculation; press it or off. one or more of the following: again to select outside air. hi : Press the fan control buttons 6 : Air is directed to the floor Driver and Passenger or the touch screen to increase or outlets, with some air to the Temperature Controls : The decrease the fan speed. The fan windshield and side windows. temperature can be adjusted speed setting displays. When the Y : Air is directed to the instrument separately for the driver and the fan speed is decreased completely, panel outlets. passenger. Turn the knob clockwise the climate control system turns off. or counterclockwise to increase or It will turn back on if the fan speed X : Clears the windows of fog or decrease the driver or passenger is increased. moisture. Air is directed to the windshield. temperature setting. Pressing either button cancels The driver and passenger automatic fan control and the fan is 1 MAX : Air is directed to the temperatures can also be adjusted controlled manually. Press AUTO to windshield, the fan runs at a higher by touching the controls on the return to automatic operation. speed, and the temperature of the touch screen. air is increased if not already at Air Delivery Mode Control : When maximum. This mode overrides the Sync : Touch Sync on the touch the climate information is displayed, previous mode selected and clears screen to link all passenger settings touch 6, Y, or X on the touch fog or frost from the windshield to the driver settings. Adjust the screen to change the direction of air more quickly. When the button is driver side temperature control to flow. Any combination of the three pressed again, the system returns change the linked temperature. buttons can be selected. The to the previous mode setting and When the passenger settings are selected air delivery mode button is fan speed. adjusted, the Sync button is lit. Pressing either button cancels displayed when the temperatures automatic air delivery control and For best results, clear all snow and are unlinked. the direction of the airflow is ice from the windshield before defrosting. Manual Operation controlled manually. Press AUTO to return to automatic operation. A/C (Air Conditioning) : Touch A/C CLIMATE : Press CLIMATE to on the touch screen to cycle display the climate control touch between the MAX, ECO, and OFF screen. modes. The MAX, ECO or OFF Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

158 Climate Controls

indicator will appear on the touch If selected during cool or cold Rear Window Defogger screen. If the fan is turned off, the weather, the windshield and : Press to turn the rear window air conditioner will not run and the windows may fog. Turn off K defogger on or off. An indicator light indicator light will turn off. recirculation to help clear the on the button comes on to show that windshield and windows. Touch AUTO to return to automatic the rear window defogger is on. The operation and the air conditioner If equipped, the Air Quality Sensor rear window defogger only works runs automatically as needed. The may operate the recirculation mode when the engine is running. It turns A/C will return to ECO a/c operation. automatically. See “Climate and Air off when the ignition is placed in the Quality” under Vehicle ACC/ACCESSORY or LOCK/OFF For MAX a/c, touch A/C. Auto stops 0 will occur less frequently, be shorter, Personalization 137. position. and will not occur in extremely warm Auto Defog : If equipped, the The rear window defogger can be weather. climate control system may have a set to automatic operation. See For ECO a/c, touch A/C again. This sensor to automatically detect high “Climate and Air Quality” under 0 setting balances fuel economy and humidity inside the vehicle. When Vehicle Personalization 137. air conditioning comfort. In warm high humidity is detected, the When Auto Rear Defog is selected, weather conditions, auto stops may climate control system may adjust to the rear window defogger turns on occur more frequently, last longer, outside air supply and turn on the automatically when the interior and the vehicle interior may be air conditioner. The fan speed may temperature is cold and the outside warmer during auto stops as slightly increase to help prevent temperature is about 4 °C (40 °F) compared to the MAX A/C setting. fogging. If the climate control and below. The auto rear defogger This setting allows higher humidity system does not detect possible turns off automatically after about inside the vehicle and window window fogging, it returns to normal 10 minutes, or after five minutes if fogging may occur before the operation. the outside temperature is not engine restarts. To turn Auto Defog off or on, see as cold. @ “Climate and Air Quality” under The upper gridlines on the rear : Press to turn on recirculation. 0 An indicator light comes on. Air is Vehicle Personalization 137. window are antenna lines and are recirculated to quickly cool the not intended to heat when the inside of the vehicle or to reduce the defogger is activated. entry of outside air and odors. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Climate Controls 159 If the vehicle is equipped with Remote Start Climate Control Air Vents heated outside mirrors, they turn on Operation : If equipped with remote when the rear window defogger start, the climate control system button is on and help to clear fog or may run when the vehicle is started frost from the surface of the mirror. remotely. If the vehicle. If the vehicle See Heated Mirrors 0 43. has heated or ventilated seats, they may come on during a remote start. Caution See Remote Vehicle Start 0 33 and Heated and Ventilated Seats 0 12. Do not try to clear frost or other Sensors material from the inside of the front windshield and rear window The solar sensor on top of the with a razor blade or anything instrument panel near the else that is sharp. This may windshield, monitors the solar heat. damage the rear window The climate control system uses the defogger grid and affect the sensor information to adjust the Use the slider knob on the air vent radio's ability to pick up stations temperature, fan speed, louvers to change the amount and clearly. The repairs would not be recirculation, and air delivery mode direction of the airflow. covered by the vehicle warranty. for best comfort. To close the outboard air vents, Do not cover the sensor; otherwise move the slider knob to the full outboard position. Heated and Ventilated Seats the automatic climate control system L M L M may not work properly. To close the center air vents, move or : If equipped, press or the slide knob to the full inboard to heat the driver or passenger seat. position. { or C : If equipped, press { or C To close the rear passenger air to ventilate the driver or vents, move the slider knob to the passenger seat. See Heated and full inboard position. Ventilated Seats 0 12. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

160 Climate Controls Operation Tips Maintenance one from a salvage vehicle. . Keep all outlets open whenever It should only be replaced by a new possible for best system Air Intake evaporator to ensure proper and performance. safe operation. Clear away any ice, snow, or leaves During service, all refrigerants . Keep the path under all seats from the air intake at the base of the clear of objects to help circulate should be reclaimed with proper windshield that can block the flow of equipment. Venting refrigerants the air inside the vehicle more air into the vehicle. effectively. directly to the atmosphere is harmful to the environment and may also . Use of non-GM approved hood Passenger Compartment create unsafe conditions based on deflectors can adversely affect Air Filter inhalation, combustion, frostbite, the performance of the system. or other health-based concerns. The filter removes dust, pollen, and other airborne irritants from outside air that is pulled into the vehicle. The filter should be replaced as part of routine scheduled maintenance. See Maintenance Schedule 0 296 for replacement intervals. For more information, 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 conditioning evaporator should never be repaired or replaced by Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Extended Parking ...... 179 Assistance Systems for Driving and Parking or Backing ...... 202 Operating Engine Exhaust Assistance Systems for Engine Exhaust ...... 179 Driving ...... 205 Running the Vehicle While Forward Collision Alert (FCA) Parked ...... 180 Driving Information System ...... 206 Distracted Driving ...... 162 Automatic Transmission Forward Automatic Defensive Driving ...... 163 Automatic Transmission ...... 180 Braking (FAB) ...... 208 Drunk Driving ...... 163 Manual Mode ...... 184 Front Pedestrian Braking Control of a Vehicle ...... 163 (FPB) System ...... 209 Braking ...... 163 Drive Systems Side Blind Zone Steering ...... 164 All-Wheel Drive ...... 185 Alert (SBZA) ...... 211 Off-Road Recovery ...... 164 Lane Change Alert (LCA) . . . . . 212 Brakes Lane Departure Loss of Control ...... 165 Antilock Brake Driving on Wet Roads ...... 165 Warning (LDW) ...... 213 System (ABS) ...... 185 Lane Keep Assist (LKA) ...... 214 Hill and Mountain Roads . . . . . 166 Electric Parking Brake ...... 186 Winter Driving ...... 167 Brake Assist ...... 187 Fuel If the Vehicle Is Stuck ...... 168 Automatic Vehicle Fuel ...... 215 Vehicle Load Limits ...... 168 Hold (AVH) ...... 188 California Fuel Starting and Operating Requirements ...... 216 Ride Control Systems Fuels in Foreign Countries . . . 216 New Vehicle Break-In ...... 172 Traction Control/Electronic Ignition Positions ...... 172 Fuel Additives ...... 216 Stability Control ...... 189 Filling the Tank ...... 217 Starting the Engine ...... 174 Selective Ride Control ...... 191 Engine Heater ...... 176 Filling a Portable Fuel Retained Accessory Cruise Control Container ...... 218 Power (RAP) ...... 177 Cruise Control ...... 191 Trailer Towing Shifting Into Park ...... 177 Adaptive Cruise Control ...... 193 General Towing Shifting out of Park ...... 178 Information ...... 219 Parking over Things Driver Assistance Systems That Burn ...... 179 Driver Assistance Systems . . . 201 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

162 Driving and Operating Driving Characteristics and Driving Information . Designate a front seat Towing Tips ...... 219 passenger to handle potential Trailer Towing ...... 221 distractions. Towing Equipment ...... 223 Distracted Driving . Become familiar with vehicle Conversions and Add-Ons Distraction comes in many forms features before driving, such as and can take your focus from the Add-On Electrical programming favorite radio task of driving. Exercise good Equipment ...... 223 stations and adjusting climate judgment and do not let other control and seat settings. activities divert your attention away Program all trip information into from the road. Many local any navigation device prior to governments have enacted laws driving. regarding driver distraction. Become familiar with the local laws in . Wait until the vehicle is parked your area. to retrieve items that have fallen to the floor. To avoid distracted driving, keep your eyes on the road, keep your . Stop or park the vehicle to tend hands on the steering wheel, and to children. focus your attention on driving. . Keep pets in an appropriate . Do not use a phone in carrier or restraint. demanding driving situations. . Avoid stressful conversations Use a hands-free method to while driving, whether with a place or receive necessary passenger or on a cell phone. phone calls. . Watch the road. Do not read, { Warning take notes, or look up information on phones or other Taking your eyes off the road too electronic devices. long or too often could cause a crash resulting in injury or death. Focus your attention on driving. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Driving and Operating 163

Refer to the infotainment manual for Average driver reaction time is more information on using that { Warning about three-quarters of a second. In system, including pairing and using that time, a vehicle moving at a cell phone Drinking and then driving is very 100 km/h (60 mph) travels 20 m dangerous. Your reflexes, (66 ft), which could be a lot of Defensive Driving perceptions, attentiveness, and distance in an emergency. judgment can be affected by even Defensive driving means “always a small amount of alcohol. You Helpful braking tips to keep in mind include: expect the unexpected.” The first can have a serious — or even step in driving defensively is to wear fatal — collision if you drive after . Keep enough distance between the safety belt. See Safety drinking. you and the vehicle in front Belts 0 58. of you. Do not drink and drive or ride with . Assume that other road users a driver who has been drinking. . Avoid needless heavy braking. (pedestrians, bicyclists, and Ride home in a cab; or if you are other drivers) are going to be . Keep pace with traffic. with a group, designate a driver careless and make mistakes. If the engine ever stops while the who will not drink. Anticipate what they might do vehicle is being driven, brake and be ready. normally but do not pump the . Allow enough following distance Control of a Vehicle brakes. Doing so could make the pedal harder to push down. If the between you and the driver in Braking, steering, and accelerating front of you. engine stops, there will be some are important factors in helping to power brake assist but it will be . Focus on the task of driving. control a vehicle while driving. used when the brake is applied. Once the power assist is used up, it Drunk Driving Braking can take longer to stop and the Death and injury associated with Braking action involves perception brake pedal will be harder to push. drinking and driving is a global time and reaction time. Deciding to tragedy. push the brake pedal is perception time. Actually doing it is reaction time. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

164 Driving and Operating

Steering Variable Effort Steering Steering in Emergencies Electric Power Steering The steering system varies the . There are some situations when amount of effort required to steer steering around a problem may The vehicle has electric power the vehicle in relation to the speed be more effective than braking. steering, so it does not have power of the vehicle. Holding both sides of the steering fluid. Regular maintenance . is not required. The amount of steering effort steering wheel allows you to turn required is less at slower speeds to 180 degrees without removing If power steering assist is lost due make the vehicle more a hand. to a system malfunction, the vehicle maneuverable and easier to park. At Antilock Brake System (ABS) can be steered, but may require . faster speeds, the steering effort allows steering while braking. increased effort. increases to provide a sport-like feel See your dealer if there is a to the steering. This provides Off-Road Recovery problem. maximum control and stability. If the steering wheel is turned until it Curve Tips reaches the end of its travel and is . Take curves at a reasonable held against that position for an speed. extended period of time, power steering assist may be reduced. . Reduce speed before entering a curve. If the steering assist is used for an extended period of time, power . Maintain a reasonable, steady assist may be reduced. speed through the curve. Normal use of the power steering . Wait until the vehicle is out of assist should return when the the curve before accelerating system cools down. gently into the straightaway. See specific vehicle steering messages under Vehicle Messages 0 127. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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The vehicle's right wheels can drop . Acceleration Skid — too much . Try to avoid sudden steering, off the edge of a road onto the throttle causes the driving acceleration, or braking, shoulder while driving. Follow wheels to spin. including reducing vehicle speed these tips: Defensive drivers avoid most skids by shifting to a lower gear. Any 1. Ease off the accelerator and by taking reasonable care suited to sudden changes could cause then, if there is nothing in the existing conditions, and by not the tires to slide. way, steer the vehicle so that it overdriving those conditions. But Remember: Antilock brakes help straddles the edge of the skids are always possible. avoid only the braking skid. pavement. If the vehicle starts to slide, follow 2. Turn the steering wheel about these suggestions: Driving on Wet Roads one-eighth of a turn, until the . Ease your foot off the Rain and wet roads can reduce right front tire contacts the accelerator pedal and steer the vehicle traction and affect your pavement edge. way you want the vehicle to go. ability to stop and accelerate. 3. Turn the steering wheel to go The vehicle may straighten out. Always drive slower in these types straight down the roadway. Be ready for a second skid if it of driving conditions and avoid occurs. driving through large puddles and deep-standing or flowing water. Loss of Control . Slow down and adjust your Skidding driving according to weather conditions. Stopping distance { Warning There are three types of skids that can be longer and vehicle Wet brakes can cause crashes. correspond to the vehicle's three control can be affected when They might not work as well in a control systems: traction is reduced by water, snow, ice, gravel, or other quick stop and could cause . Braking Skid — wheels are not pulling to one side. You could rolling. material on the road. Learn to recognize warning clues — such lose control of the vehicle. . Steering or Cornering Skid — as enough water, ice, or packed (Continued) too much speed or steering in a snow on the road to make a curve causes tires to slip and mirrored surface — and slow lose cornering force. down when you have any doubt. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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There is no hard and fast rule about . Shift to a lower gear when going Warning (Continued) hydroplaning. The best advice is to down steep or long hills. slow down when the road is wet. After driving through a large puddle of water or a car/vehicle Other Rainy Weather Tips { Warning wash, lightly apply the brake Besides slowing down, other wet Using the brakes to slow the pedal until the brakes work weather driving tips include: vehicle on a long downhill slope normally. . Allow extra following distance. can cause brake overheating, can Flowing or rushing water creates reduce brake performance, and strong forces. Driving through . Pass with caution. could result in a loss of braking. flowing water could cause the . Keep windshield wiping Shift the transmission to a lower vehicle to be carried away. If this equipment in good shape. gear to let the engine assist the happens, you and other vehicle . Keep the windshield washer fluid brakes on a steep downhill slope. occupants could drown. Do not reservoir filled. ignore police warnings and be . Have good tires with proper very cautious about trying to drive 0 through flowing water. tread depth. See Tires 253. { Warning . Turn off cruise control. Coasting downhill in N (Neutral) Hydroplaning or with the ignition off is Hill and Mountain Roads dangerous. This can cause Hydroplaning is dangerous. Water overheating of the brakes and can build up under the vehicle's Driving on steep hills or through loss of steering. Always have the tires so they actually ride on the mountains is different than driving water. This can happen if the road is on flat or rolling terrain. Tips include: engine running and the vehicle wet enough and you are going fast . Keep the vehicle serviced and in in gear. enough. When the vehicle is good shape. hydroplaning, it has little or no . Check all fluid levels and brakes, . Drive at speeds that keep the contact with the road. tires, cooling system, and vehicle in its own lane. Do not transmission. swing wide or cross the center line. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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. Be alert on top of hills; . The Antilock Brake System . Turn on the hazard warning something could be in your lane (ABS) improves vehicle stability flashers. (e.g., stalled car, accident). during hard stops, but the . Tie a red cloth to an outside . Pay attention to special road brakes should be applied sooner mirror. signs (e.g., falling rocks area, than when on dry pavement. See Antilock Brake System winding roads, long grades, 0 { Warning passing or no-passing zones) (ABS) 185. and take appropriate action. . Allow greater following distance Snow can trap engine exhaust and watch for slippery spots. Icy under the vehicle. This may Winter Driving patches can occur on otherwise cause exhaust gases to get clear roads in shaded areas. inside. Engine exhaust contains Driving on Snow or Ice The surface of a curve or an carbon monoxide (CO), which Snow or ice between the tires and overpass can remain icy when cannot be seen or smelled. It can the road creates less traction or the surrounding roads are clear. cause unconsciousness and even Avoid sudden steering grip, so drive carefully. Wet ice can death. occur at about 0 °C (32 °F) when maneuvers and braking while freezing rain begins to fall. Avoid on ice. If the vehicle is stuck in snow: driving on wet ice or in freezing rain . Turn off cruise control. . Clear snow from the base of until roads can be treated. the vehicle, especially any Blizzard Conditions blocking the exhaust pipe. For Slippery Road Driving: Stop the vehicle in a safe place and . Open a window about 5 cm . Accelerate gently. Accelerating signal for help. Stay with the vehicle (2 in) on the vehicle side too quickly causes the wheels to unless there is help nearby. that is away from the wind, spin and makes the surface If possible, use Roadside to bring in fresh air. under the tires slick. Assistance. See Roadside . Fully open the air outlets on . Turn on Traction Control. See Assistance Program 0 315. To get or under the instrument Traction Control/Electronic help and keep everyone in the panel. Stability Control 0 189. vehicle safe: (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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If the Vehicle Is Stuck between R (Reverse) and a low Warning (Continued) forward gear, spinning the wheels Slowly and cautiously spin the as little as possible. To prevent . Adjust the climate control wheels to free the vehicle when transmission wear, wait until the system to circulate the air stuck in sand, mud, ice, or snow. wheels stop spinning before shifting inside the vehicle and set gears. Release the accelerator the fan speed to the highest If stuck too severely for the traction system to free the vehicle, turn the pedal while shifting, and press setting. See “Climate traction system off and use the lightly on the accelerator pedal Control Systems.” rocking method. See Traction when the transmission is in gear. For more information about CO, Control/Electronic Stability Slowly spinning the wheels in the see Engine Exhaust 0 179. Control 0 189. forward and reverse directions causes a rocking motion that could { Warning free the vehicle. If that does not get To save fuel, run the engine for the vehicle out after a few tries, it short periods to warm the vehicle might need to be towed out. If the and then shut the engine off and If the vehicle's tires spin at high speed, they can explode, and you vehicle does need to be towed out, partially close the window. Moving see Towing the Vehicle 0 283. about to keep warm also helps. or others could be injured. The vehicle can overheat, causing an If it takes time for help to arrive, engine compartment fire or other Vehicle Load Limits when running the engine, push the damage. Spin the wheels as little accelerator pedal slightly so the It is very important to know how engine runs faster than the idle as possible and avoid going much weight the vehicle can speed. This keeps the battery above 56 km/h (35 mph). carry. This weight is called the charged to restart the vehicle and to vehicle capacity weight and signal for help with the headlamps. Rocking the Vehicle to Get includes the weight of all Do this as little as possible, to it Out occupants, cargo, and all save fuel. Turn the steering wheel left and nonfactory-installed options. right to clear the area around the Two labels on the vehicle may front wheels. Turn off any traction show how much weight it may system. Shift back and forth Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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properly carry: the Tire and Tire and Loading Information equipment tires (3) and the Loading Information label and Label recommended cold tire inflation the Certification label. pressures (4). For more information on tires and inflation { Warning see Tires 0 253 and Tire Pressure 0 260. Do not load the vehicle any heavier than the Gross There is also important loading Vehicle Weight Rating information on the Certification (GVWR), or either the label. It may show the Gross maximum front or rear Gross Vehicle Weight Rating (GVWR) Axle Weight Rating (GAWR). and the Gross Axle Weight This can cause systems to Rating (GAWR) for the front and break and change the way the rear axle. See “Certification vehicle handles. This could Label Example Label” later in this section. cause loss of control and a A vehicle-specific Tire and “Steps for Determining Correct crash. Overloading can also Loading Information label is Load Limit– reduce stopping distance, attached to the vehicle's center 1. Locate the statement "The damage the tires, and shorten pillar (B-pillar). The Tire and combined weight of the life of the vehicle. Loading Information label shows occupants and cargo should the number of occupant seating never exceed XXX kg or positions (1), and the maximum XXX lbs." on your vehicle’s vehicle capacity weight (2) in placard. kilograms and pounds. 2. Determine the combined The Tire and Loading weight of the driver and Information label also shows the passengers that will be tire size of the original riding in your vehicle. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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3. Subtract the combined 6. If your vehicle will be towing weight of the driver and a trailer, load from your passengers from XXX kg or trailer will be transferred to XXX lbs. your vehicle. Consult this 4. The resulting figure equals manual to determine how the available amount of this reduces the available cargo and luggage load cargo and luggage load capacity. For example, if the capacity of your vehicle.” "XXX" amount equals See Trailer Towing 0 221 for 1400 lbs. and there will be important information on towing five 150 lb passengers in a trailer, towing safety rules, and your vehicle, the amount of trailering tips. Example 1 available cargo and luggage 1. Vehicle Capacity Weight load capacity is 650 lbs. for Example 1 = 453 kg (1400-750 (5 x 150) = (1,000 lbs). 650 lbs.) 2. Subtract Occupant 5. Determine the combined Weight @ 68 kg (150 lbs) weight of luggage and cargo × 2 = 136 kg (300 lbs). being loaded on the vehicle. 3. Available Occupant and That weight may not safely Cargo Weight = 317 kg exceed the available cargo (700 lbs). and luggage load capacity calculated in Step 4. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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weight of the driver, passengers, and cargo should never exceed the vehicle's capacity weight. Certification Label

Example 2 Example 3

1. Vehicle Capacity Weight 1. Vehicle Capacity Weight for Example 2 = 453 kg for Example 3 = 453 kg (1,000 lbs). (1,000 lbs). 2. Subtract Occupant 2. Subtract Occupant Label Example Weight @ 68 kg (150 lbs) Weight @ 91 kg A vehicle-specific Certification × 5 = 340 kg (750 lbs). (200 lbs) × 5 = 453 kg label is attached to the vehicle's 3. Available Cargo Weight (1,000 lbs). center pillar (B-pillar). The label = 113 kg (250 lbs). 3. Available Cargo Weight may show the gross weight = 0 kg (0 lbs). capacity of the vehicle, called Refer to the vehicle's Tire and the Gross Vehicle Weight Rating Loading Information label for (GVWR). The GVWR includes specific information about the the weight of the vehicle, all vehicle's capacity weight and occupants, fuel, and cargo. seating positions. The combined Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

172 Driving and Operating

{ Warning Starting and Caution (Continued) Operating Things inside the vehicle can breaking-in guideline every strike and injure people in a New Vehicle Break-In time you get new brake sudden stop or turn, or in a linings. crash. Caution Following break-in, engine speed . Put things in the cargo and load can be gradually area of the vehicle. In the The vehicle does not need an increased. cargo area, put them as elaborate break-in. But it will far forward as possible. perform better in the long run if Ignition Positions Try to spread the weight you follow these guidelines: evenly. . Do not drive at any one constant speed, fast or slow, . Never stack heavier for the first 805 km (500 mi). things, like suitcases, Do not make full-throttle inside the vehicle so that starts. Avoid downshifting to some of them are above brake or slow the vehicle. the tops of the seats. . Avoid making hard stops for . Do not leave an the first 322 km (200 mi) or unsecured child restraint so. During this time the new in the vehicle. brake linings are not yet broken in. Hard stops with . Secure loose items in the new linings can mean vehicle. premature wear and earlier The vehicle has an electronic replacement. Follow this . Do not leave a seat keyless ignition with pushbutton folded down unless (Continued) start. needed. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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If the pushbutton start is not If the vehicle cannot be pulled over working, the vehicle may be near a Warning (Continued) and must be shut off while driving, strong radio antenna signal causing press and hold ENGINE START/ interference to the Remote Keyless systems and disable the airbags. STOP for longer than two seconds, Entry (RKE) system. See Remote While driving, only shut the or press twice in five seconds. Keyless Entry (RKE) System vehicle off in an emergency. 0 ACC/ACCESSORY (Amber Operation 27. Indicator Light) : This mode allows To shift out of P (Park), the vehicle If the vehicle must be shut off in an you to use some electrical must be in ON/RUN mode and the emergency: accessories when the engine is off. brake pedal must be applied. 1. Brake using a firm and steady With the ignition off, pressing Stopping the Engine/OFF (No pressure. Do not pump the ENGINE START/STOP once without Indicator Light) : When the vehicle brakes repeatedly. This may the brake pedal applied will place is stopped, press ENGINE START/ deplete power assist, requiring the ignition system in ACC/ STOP once to turn the engine off. increased brake pedal force. ACCESSORY. The transmission will shift to 2. Shift the vehicle to N (Neutral). The ignition will switch from ACC/ P (Park) automatically. This can be done while the ACCESSORY to OFF after vehicle is moving. After shifting If the vehicle is in P (Park), the 10 minutes to prevent battery to N (Neutral), firmly apply the rundown. ignition will turn off, and Retained brakes and steer the vehicle to Accessory Power (RAP) will remain a safe location. ON/RUN/START (Green Indicator active. See Retained Accessory Light) : This mode is for driving and Power (RAP) 0 177. 3. Come to a complete stop, shift starting. With the ignition off and the to P (Park), and press ENGINE brake pedal applied, pressing { Warning START/STOP. ENGINE START/STOP once will 4. Set the parking brake. See place the ignition system in ON/ Turning off the vehicle while Electric Parking Brake 0 186. RUN/START. Once engine cranking moving may cause loss of power begins, release the button. Engine assist in the brake and steering cranking will continue until the (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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engine starts. See Starting the Starting the Engine To start the vehicle: 0 Engine 174. The ignition will then 1. With the Keyless Access remain in ON/RUN. Place the transmission in P (Park) or N (Neutral). To restart the engine system, the RKE transmitter Service Only Mode when the vehicle is already moving, must be in the vehicle. Press use N (Neutral). ENGINE START/STOP with the This power mode is available for brake pedal applied. When the service and diagnostics, and Car engine begins cranking, let go Wash Mode. See Automatic Caution of the button. The idle speed Transmission 0 180. Service Only Do not try to shift to P (Park) if the will go down as the engine Mode is also available to verify the warms up. Do not race the vehicle is moving. If you do, you proper operation of the malfunction engine immediately after could damage the transmission. indicator lamp as may be required starting it. for emission inspection purposes. Shift to P (Park) only when the With the vehicle off, and the brake vehicle is stopped. If the RKE transmitter is not in pedal not applied, pressing and the vehicle, if there is holding ENGINE START/STOP for interference, or if the RKE more than five seconds will place battery is low, a Driver the vehicle in Service Only Mode. Caution Information Center (DIC) The instruments and audio systems message will display. See Key will operate as they do in ON/RUN, If you add electrical parts or and Lock Messages 0 131 and but the vehicle will not be able to be accessories, you could change Remote Keyless Entry (RKE) driven. The engine will not start in the way the engine operates. Any System Operation 0 27. Service Only Mode. Press ENGINE resulting damage would not be START/STOP again to turn the covered by the vehicle warranty. Caution vehicle off. See Add-On Electrical Equipment 0 223. Cranking the engine for long periods of time, by pressing ENGINE START/STOP immediately after cranking has (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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starting it. Operate the engine Auto Engine Stop/Start Caution (Continued) and transmission gently until When the brakes are applied and the oil warms up and lubricates the vehicle is at a complete stop, ended, can overheat and damage all moving parts. the cranking motor, and drain the the engine may turn off. When battery. Wait at least 15 seconds Stop/Start System stopped, the tachometer displays between each try, to let the AUTO STOP. See Tachometer 0 cranking motor cool down. { Warning 109. When the brake pedal is released or the accelerator pedal is Exiting the vehicle without first pushed, the engine will restart. 2. If the engine does not start shifting into P (Park) may cause after five to 10 seconds, especially in very cold weather the vehicle to move. You or others (below −18 °C or 0 °F), it could may be injured. Because the be flooded with too much vehicle has the auto engine stop/ gasoline. Try pushing the start feature, the vehicle's engine accelerator pedal all the way to might seem to be shut off; the floor and hold it there, then however, once the brake pedal is press ENGINE START/STOP released, the engine will start up for up to a maximum of again. 15 seconds. Wait at least Shift to P (Park) and turn the 15 seconds between each try, ignition to LOCK/OFF, before to allow the cranking motor to exiting the vehicle. cool down. When the engine Auto Stop may be deactivated if: starts, let go of the button and the accelerator. If the vehicle The vehicle has a fuel saving stop/ . A minimum vehicle speed is not starts briefly but then stops start system to shut off the engine to reached. again, do the same thing. This help conserve fuel. . The engine or transmission is clears the extra gasoline from not at the required operating the engine. Do not race the temperature. engine immediately after Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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. The outside temperature is not the plug end of the cord will prevent Check the heater cord for in the required operating range, engine coolant heater operation at damage. If it is damaged, do typically below −10 °C (14 °F) or temperatures above −18 °C (0 °F). not use it. See your dealer for above 50 °C (122 °F). a replacement. Inspect the To Use the Engine Coolant cord for damage yearly. . The transmission is in any gear Heater other than D (Drive). 3. Plug it into a normal, grounded 1. Turn off the engine. . The battery is low. 110-volt AC outlet. 2. Open the hood and unwrap the . The battery has been electrical cord. { Warning disconnected. . The interior comfort level has not Improper use of the heater cord reached the required level for or an extension cord can damage the climate control system or the cord and may result in defog settings. See Dual overheating and fire. Automatic Climate Control 0 . Plug the cord into a System 155. three-prong electrical utility . The Auto Stop time is greater receptacle that is protected than two minutes. by a ground fault detection function. An ungrounded Engine Heater outlet could cause an electric shock. The engine coolant heater, if available, can help in cold weather . Use a weatherproof, The electrical cord is on the conditions at or below −18 °C (0 °F) heavy-duty, 15 amp-rated driver side of the engine for easier starting and better fuel extension cord if needed. compartment, between the economy during engine warm-up. Failure to use the fender and the engine Plug in the coolant heater at least recommended extension compartment fuse block. four hours before starting the cord in good operating vehicle. An internal thermostat in (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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4. Before starting the engine, be Power to the power windows and Warning (Continued) sure to unplug and store the sunroof will continue to operate for cord as it was before to keep it up to 10 minutes or until any door is condition, or using a away from moving engine opened. damaged heater or parts. extension cord, could make All of these features will work when it overheat and cause a fire, The length of time the heater should the ignition is in ON/RUN or ACC/ property damage, electric remain plugged in depends on ACCESSORY. shock, and injury. several factors. Ask a dealer in the area where you will be parking the Shifting Into Park . Do not operate the vehicle vehicle for the best advice on this. with the heater cord To shift into P (Park): permanently attached to the 1. Hold the brake pedal down and vehicle. Possible heater Retained Accessory set the parking brake. See cord and thermostat Power (RAP) Electric Parking Brake 0 186. damage could occur. The following vehicle accessories 2. Press the button on top of the . While in use, do not let the may be used for up to 10 minutes shift lever to shift into P (Park). heater cord touch vehicle after the engine is turned off: See Automatic parts or sharp edges. Never . Infotainment System Transmission 0 180. close the hood on the heater cord. . Power Windows 3. The P indicator on the shift lever will turn red when the . Before starting the vehicle, . Sunroof (If Equipped) vehicle is in P (Park). unplug the cord, reattach . Auxiliary Power Outlet the cover to the plug, and 4. Turn the ignition off. securely fasten the cord. Power to the audio system will Keep the cord away from continue to operate for up to any moving parts. 10 minutes or until the driver door is opened. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Leaving the Vehicle with the If you have to leave the vehicle with To shift out of P (Park): Engine Running the engine running, be sure the 1. Apply the brake pedal. vehicle is in P (Park) and the 2. Press ENGINE START/STOP. { Warning parking brake is firmly set before you leave it. 3. Press the shift lever unlock It can be dangerous to leave the If you are towing a trailer and button. vehicle with the engine running. parking on a hill, see Driving 4. Move the shift lever to the It could overheat and catch fire. Characteristics and Towing desired position. Tips 0 219. It is dangerous to get out of the 5. The P indicator will turn white vehicle if the vehicle is not in Shifting out of Park and the gear indicator on the P (Park) with the parking brake shift lever will turn red when firmly set. The vehicle can roll. This vehicle is equipped with an the vehicle is no longer in Do not leave the vehicle when the electronic transmission. The shift P (Park). lever unlock button is designed to engine is running. If you have left 6. After releasing the shift lever, it prevent inadvertent shifting out of the engine running, the vehicle will return to the center P (Park) unless the ignition is in ON/ position. can move suddenly. You or others RUN, the brake pedal is applied, could be injured. To be sure the and the shift lever unlock button is If the vehicle cannot shift from vehicle will not move, even when pressed. P (Park), a Driver Information Center you are on fairly level ground, (DIC) message will be displayed. The shift lock control is always always set the parking brake and See your dealer for service. shift to P (Park). See Shifting Into functional except in the case of an uncharged or low voltage (less than Park 0 177. If you are towing a 9-volt) battery. trailer, see Driving Characteristics and Towing Tips 0 219. If the vehicle has an uncharged battery or a battery with low voltage, try charging or jump starting the battery. See Jump Starting - North America 0 280. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Driving and Operating 179 Parking over Things Extended Parking Engine Exhaust That Burn It is better not to park with the vehicle running. If the vehicle is left { Warning { Warning while running, follow the proper steps to be sure the vehicle will not Engine exhaust contains carbon Things that can burn could touch move and there is adequate monoxide (CO), which cannot be hot exhaust parts under the ventilation. See Shifting Into Park seen or smelled. Exposure to CO vehicle and ignite. Do not park 0 177 and Engine Exhaust 0 179. can cause unconsciousness and over papers, leaves, dry grass, If the vehicle is left in P (Park) while even death. or other things that can burn. running and the Remote Keyless Exhaust may enter the vehicle if: Entry (RKE) transmitter is outside the vehicle, the vehicle will turn off . The vehicle idles in areas after one hour. with poor ventilation (parking garages, tunnels, If the vehicle is left in P (Park) while deep snow that may block running and the RKE transmitter is underbody airflow or tail inside, the vehicle will run for two pipes). hours. At the end of the second hour, the vehicle will turn off. . The exhaust smells or sounds strange or different. The timer will reset if the vehicle is taken out of P (Park) while it is . The exhaust system leaks running. due to corrosion or damage. . The vehicle exhaust system has been modified, damaged, or improperly repaired. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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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 0 177 and if it is suspected that exhaust is Engine Exhaust 0 179. coming into the vehicle: . Drive it only with the windows completely down. . Have the vehicle repaired immediately. Never park the vehicle with the The shift pattern is displayed in the engine running in an enclosed top of the shift lever. The selected area such as a garage or a gear position will illuminate red on building that has no fresh air the shift lever, while all others will ventilation. be displayed in white. If the shift is not immediate, as in very cold conditions, the indicator on the shift lever may blink until it is fully engaged. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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The shift lever always starts from a P: This position locks the front center position, represented by an wheels. It is the best position to use amber dot on the shift pattern. After when you start the engine because releasing the shift lever, it will return the vehicle cannot move easily. to the center position. The transmission does not operate { Warning when the vehicle is off. It is dangerous to get out of the If the vehicle is in ACC/ vehicle if the transmission is not ACCESSORY, the transmission can fully in P (Park) with the parking be shifted into P (Park). brake firmly set. The vehicle If the vehicle is turned to LOCK/OFF can roll. while at a relatively high vehicle Do not leave the vehicle when the This vehicle is equipped with an speed, the transmission will engine is running. If you have left electronic transmission. The shift automatically shift to N (Neutral). the engine running, the vehicle lever unlock button is designed to Once the vehicle is stopped, prevent inadvertent shifting out of P (Park) can be selected. can move suddenly. You or others could be injured. To be sure the P (Park) unless the ignition is in ON/ vehicle will not move, even when RUN, the brake pedal is applied, and the shift lever unlock button is you are on fairly level ground, pressed. always set the parking brake and place the transmission into When the vehicle is stopped, press P (Park). See Shifting Into Park ENGINE START/STOP to turn off 0 177 and Driving Characteristics the vehicle. The transmission will and Towing Tips 0 219. shift to P (Park) automatically. The vehicle will not shift into P (Park) if it is moving too fast. Stop the vehicle and shift into P (Park). Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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To shift in and out of P (Park), see 2. Shift to the desired gear. 0 Caution Shifting Into Park 177 and Shifting 3. After releasing the shift lever, it out of Park 0 178. will return to the center Shifting out of P (Park) or R: Use this gear to back up. position. N (Neutral) with the engine If the vehicle is shifted from either At low vehicle speeds, R (Reverse) running at high speed may R (Reverse) to D (Drive), can be used to rock the vehicle damage the transmission. The or D (Drive) to R (Reverse) while the back and forth to get out of snow, repairs would not be covered by speed is too high, the vehicle will ice, or sand without damaging the the vehicle warranty. Be sure the shift to N (Neutral). Reduce the transmission. See If the Vehicle Is engine is not running at high vehicle speed and try the shift Stuck 0 168. speed when shifting the vehicle. again. N: In this position, the engine does To shift into R (Reverse): not connect with the wheels. To 1. Bring the vehicle to a restart when the vehicle is already Caution complete stop. moving, use N (Neutral) only. The vehicle is not designed to 2. Press the shift lever unlock { Warning stay in N (Neutral) for extended button on the side of the shift periods of time. It will lever. Shifting into a drive gear while the automatically shift into P (Park). 3. From the center position, move engine is running at high speed is the shift lever forward, and dangerous. Unless your foot is then to the left. R is illuminated firmly on the brake pedal, the To shift into N (Neutral): in red. vehicle could move very rapidly. 1. From the center position, move 4. After releasing the shift lever, it You could lose control and hit the shift lever forward. If the will return to the center people or objects. Do not shift vehicle is in P (Park) press the position. into a drive gear while the engine shift lever unlock button while is running at high speed. moving the shift lever back. N To shift out of R (Reverse): is illuminated in red. 1. Bring the vehicle to a complete stop. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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2. After releasing the shift lever, it Car Wash Mode (Engine On) To shift into D (Drive): will return to the center To place the vehicle in N (Neutral) 1. Bring the vehicle to a position. with the engine running: complete stop. To shift out of N (Neutral): 1. Open the door while pressing 2. From the center position, move 1. Bring the vehicle to a the brake, then shift to the shift lever back. If the complete stop. N (Neutral). vehicle is in P (Park) press the 2. Shift to the desired gear. 2. The indicator should now show shift lever unlock button while N. If it does not, select moving the shift lever back. D 3. After releasing the shift lever, it is illuminated in red. will return to the center N (Neutral) again. position. 3. Shift into P (Park) upon 3. After releasing the shift lever, it returning to the vehicle. will return to the center Car Wash Mode (Engine Off) position. D: This position is for normal To place the vehicle in N (Neutral) driving. It provides the best fuel To shift out of D (Drive): with the engine off: economy. If you need more power 1. Bring the vehicle to a 1. Put the ignition in OFF. for passing, and you are: complete stop. 2. Put the ignition in Service Only . Going less than 35 mph 2. Shift to the desired gear. Mode. See Ignition (55 km/h), push the accelerator 0 3. After releasing the shift lever, it Positions 172. pedal about halfway down. will return to the center 3. Open the door while pressing . Going about 35 mph (55 km/h) or position. the brake, and then shift to more, push the accelerator all Downshifting the transmission in N (Neutral). the way down. slippery road conditions could result 4. The indicator should now show The transmission will shift down in skidding. See “Skidding” under N. If it does not, repeat the to a lower gear and have more Loss of Control 0 165. procedure. power. 5. When N (Neutral) is no longer needed, shift into P (Park) and turn the ignition to OFF. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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3. To exit, pull back on the shift Caution lever a second time. The D in the shift pattern will illuminate Spinning the tires or holding the in red, and the M will switch to vehicle in one place on a hill white. using only the accelerator pedal may damage the transmission. With the transmission in D (Drive) The repair will not be covered by and not in Permanent Tap Shift the vehicle warranty. If you are Mode, the Tap Shift controls will activate a temporary tap manual stuck, do not spin the tires. When shift mode, allowing the stopping on a hill, use the brakes transmission to be manually shifted. to hold the vehicle in place. Automatic shifts return after no Vehicles with Tap Shift have manual shifts have been done for Manual Mode controls on the back of the steering seven to 10 seconds. The wheel to manually shift the Temporary Tap Shift Mode can also Tap Shift automatic transmission. be deactivated by holding the right upshift control briefly. To enter Permanent Tap Shift Mode: Caution While using Tap Shift, the vehicle 1. With the shift lever in D (Drive), will have firmer, quicker shifting. Driving with the engine at a high pull back on the shift lever to This can be used for sport driving or rpm without upshifting while using activate M (Manual Mode). The when climbing or descending hills, Tap Shift, could damage the M in the shift pattern will to stay in gear longer, or to vehicle. Always upshift when illuminate in red, and the D will downshift for more power or engine necessary while using Tap Shift. switch to white. braking. 2. Tap the left steering wheel The transmission will only allow control to downshift, and the shifting into gears appropriate for right control to upshift. To shift the vehicle speed and engine to the lowest available gear, revolutions per minute (rpm). The press and hold the left control. transmission will not automatically Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Driving and Operating 185 shift to the next lower gear if the Drive Systems Brakes engine rpm is too high, nor to the next higher gear when the maximum engine rpm is reached. All-Wheel Drive Antilock Brake If shifting is prevented for any Vehicles with this feature always System (ABS) reason, a SHIFT DENIED message send engine power to all four This vehicle has an Antilock Brake will be displayed in the instrument wheels. It is fully automatic, and System (ABS), an advanced cluster. See Transmission adjusts itself as needed for road electronic braking system that helps Messages 0 135. conditions. prevent a braking skid. When accelerating the vehicle from All-Wheel Drive (AWD) system When the vehicle begins to drive a stop in snowy and icy conditions, performance will be automatically away, ABS checks itself. it is suggested to shift into second reduced when the compact spare A momentary motor or clicking noise gear. A higher gear allows the tire is in use. To restore full AWD may be heard while this test is going vehicle to gain more traction on performance, and prevent excessive on, and it may even be noticed that slippery surfaces. wear to the AWD system, replace the brake pedal moves a little. This the compact spare tire with a is normal. full-size tire as soon as possible. See Compact Spare Tire 0 279.

If there is a problem with ABS, this warning light stays on. See Antilock Brake System (ABS) Warning Light 0 116. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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If driving safely on a wet road and it Using ABS The Electric Parking Brake (EPB) becomes necessary to slam on the can always be activated, even if the Do not pump the brakes. Just hold brakes and continue braking to ignition is off. To prevent draining the brake pedal down firmly and let avoid a sudden obstacle, a the battery, avoid repeated cycles of ABS work. You may hear the ABS computer senses the wheels are the EPB when the engine is not pump or motor operating and feel slowing down. If one of the wheels running. the brake pedal pulsate. This is is about to stop rolling, the computer normal. The system has a red parking brake will separately work the brakes at status light and an amber parking each wheel. Braking in Emergencies brake warning light. There are also ABS can change the brake pressure ABS allows you to steer and brake parking brake-related Driver to each wheel, as required, faster at the same time. In many Information Center (DIC) messages. than any driver could. This can help emergencies, steering can help In case of insufficient electrical you steer around the obstacle while more than even the very best power, the EPB cannot be applied braking hard. braking. or released. As the brakes are applied, the Before leaving the vehicle, check computer keeps receiving updates Electric Parking Brake the red parking brake status light to on wheel speed and controls ensure that the parking brake is braking pressure accordingly. applied. Remember: ABS does not change EPB Apply the time needed to get a foot up to the brake pedal or always decrease To apply the EPB: stopping distance. If you get too 1. Be sure the vehicle is at a close to the vehicle in front of you, complete stop. there will not be enough time to 2. Press the EPB switch apply the brakes if that vehicle momentarily. suddenly slows or stops. Always leave enough room up ahead to The red parking brake status light stop, even with ABS. will flash and then stay on once the EPB is fully applied. If the red Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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parking brake status light flashes normal, and is done to periodically continuously, then the EPB is only check the correct operation of the Caution partially applied or there is a EPB system. Driving with the parking brake on problem with the EPB. A DIC If the EPB fails to apply, block the message will display. Release the can overheat the brake system rear wheels to prevent vehicle and cause premature wear or EPB and try to apply it again. If the movement. light does not come on, or keeps damage to brake system parts. flashing, have the vehicle serviced. EPB Release Make sure that the parking brake Do not drive the vehicle if the red is fully released and the brake To release the EPB: parking brake status light is flashing. warning light is off before driving. See your dealer. 1. Place the ignition in the ACC/ ACCESSORY or ON/RUN If the amber parking brake warning position. Automatic EPB Release light is on, press the EPB switch. The EPB will automatically release if Continue to hold the switch until the 2. Apply and hold the brake the vehicle is running, placed into red parking brake status light pedal. gear, and an attempt is made to remains on. If the amber parking 3. Press the EPB switch drive away. Avoid rapid acceleration brake warning light is on, see your momentarily . when the EPB is applied, to dealer. The EPB is released when the red preserve parking brake lining life. If the EPB is applied while the parking brake status light is off. vehicle is moving, the vehicle will Brake Assist decelerate as long as the switch is If the amber parking brake warning pressed. If the switch is pressed light is on, release the EPB by The Brake Assist feature is until the vehicle comes to a stop, pressing and holding the EPB designed to assist the driver in the EPB will remain applied. switch. Continue to hold the switch stopping or decreasing vehicle until the red parking brake status speed in emergency driving The vehicle may automatically apply light is off. If either light stays on conditions. This feature uses the the EPB in some situations when after release is attempted, see your stability system hydraulic brake the vehicle is not moving. This is dealer. control module to supplement the power brake system under conditions where the driver has Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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quickly and forcefully applied the pressure to hold the vehicle If Long and Auto Park Brake On is brake pedal in an attempt to quickly stationary. If AVH is holding the selected, it will hold the vehicle for stop or slow down the vehicle. The vehicle, a DIC message displays. five minutes unless the driver door stability system hydraulic brake AVH will not activate in a forward is opened and the driver safety belt control module increases brake drive gear when facing downhill, is unbuckled prior to releasing the pressure at each corner of the or in R (Reverse) when facing uphill. brake pedal. When deactivated after vehicle until the ABS activates. Select the duration of the AVH five minutes, or if it is deactivated Minor brake pedal pulsation or feature on the center stack when the driver safety belt is pedal movement during this time is touchscreen by choosing the unlatched or the driver door is normal and the driver should submenu for Automatic Vehicle opened, the Electric Parking Brake continue to apply the brake pedal as will engage to prevent vehicle Hold. See “Comfort and the driving situation dictates. The movement. Convenience” in Vehicle Brake Assist feature will Personalization 0 137. When Short automatically disengage when the and Auto Park Brake Off is selected, brake pedal is released or brake the vehicle is held stationary for up pedal pressure is quickly to two seconds after the brake pedal decreased. is released. When Long and Auto Park Brake On is selected, the Automatic Vehicle vehicle is held stationary for up to Hold (AVH) five minutes after the brake pedal is released. In either case, override The Automatic Vehicle Hold (AVH) the hold feature by pressing the feature provides Hill Start Assist accelerator pedal and attempting to (HSA). This feature will activate drive away. when the vehicle is stopped on a moderate to steep grade to help If Short and Auto Park Brake Off is prevent it from rolling in an selected in the Settings menu, it will unintended direction. After the brake hold the vehicle for two seconds pedal has been released and before unless the driver door is opened or the accelerator pedal has been the driver safety belt is unbuckled pressed, AVH uses braking after releasing the brake pedal. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Driving and Operating 189 Ride Control Systems vehicle wheel brakes to assist the driver in keeping the vehicle on the Traction Control/ intended path. If cruise control is being used and Electronic Stability traction control or StabiliTrak begins Control to limit wheel spin, cruise control will disengage. Cruise control may be The indicator light for both systems System Operation turned back on when road is in the instrument cluster. This The vehicle has a Traction Control conditions allow. light will: ® System (TCS) and StabiliTrak , an Both systems come on . Flash when TCS is limiting electronic stability control system. automatically when the vehicle is wheel spin. These systems help limit wheel slip started and begins to move. The and assist the driver in maintaining . Flash when StabiliTrak is systems may be heard or felt while activated. control, especially on slippery road they are operating or while conditions. performing diagnostic checks. This . Turn on and stay on when either TCS activates if it senses that any is normal and does not mean there system is not working. of the drive wheels are spinning or is a problem with the vehicle. If either system fails to turn on or to beginning to lose traction. When this It is recommended to leave both activate, a message displays in the happens, TCS applies the brakes to systems on for normal driving Driver Information Center (DIC), the spinning wheels and reduces conditions, but it may be necessary and d comes on and stays on to engine power to limit wheel spin. to turn TCS off if the vehicle gets indicate that the system is inactive StabiliTrak activates when the stuck in sand, mud, ice, or snow. and is not assisting the driver in vehicle senses a difference between See If the Vehicle Is Stuck 0 168 maintaining control. The vehicle is the intended path and the direction and “Turning the Systems Off and safe to drive, but driving should be the vehicle is actually traveling. On” later in this section. adjusted accordingly. StabiliTrak selectively applies braking pressure to any one of the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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If d comes on and stays on: Turning the Systems Off The appropriate DIC message and On displays. See Ride Control System 1. Stop the vehicle. Messages 0 133. 2. Turn the engine off and wait To turn TCS on again, press and 15 seconds. release g. The traction off light i 3. Start the engine. displayed in the instrument cluster will turn off. Drive the vehicle. If d comes on and stays on, the vehicle may need If TCS is limiting wheel spin when g more time to diagnose the problem. is pressed, the system will not turn If the condition persists, see your off until the wheels stop spinning. dealer. To turn off both TCS and StabiliTrak, press and hold g until the traction off light i and StabiliTrak OFF Vehicle with Sport Mode Shown, Vehicle without Sport Mode light g come on and stay on in the Similar instrument cluster. The appropriate DIC message displays. See Ride Control System Messages 0 133. Caution To turn TCS and StabiliTrak on Do not repeatedly brake or again, press and release g. The accelerate heavily when TCS is traction off light i and StabiliTrak off. The vehicle driveline could be damaged. OFF light g in the instrument cluster turn off. To turn off only TCS, press and Adding accessories can affect the vehicle performance. See release . The traction off light i g Accessories and displays in the instrument cluster. Modifications 0 226. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Driving and Operating 191 Selective Ride Control handling to road conditions through Cruise Control increased steering effort and suspension tuning. Press and With cruise control the vehicle can release SPORT and the light on the maintain a speed of about 40 km/h button comes on. Press the button (25 mph) or more without keeping again and the system returns to the your foot on the accelerator. Cruise Tour Mode. control does not work at speeds below 40 km/h (25 mph). The setting can be changed at any time. Based on road conditions, steering wheel angle, and vehicle { Warning speed, the system automatically adjusts to provide the best handling Cruise control can be dangerous while providing a smooth ride. The where you cannot drive safely at Tour and Sport Modes will feel a steady speed. Do not use similar on a smooth road. cruise control on winding roads or The vehicle may have Selective in heavy traffic. Ride Control. The SPORT button is Selective Ride Control automatically on the center stack. comes on in the Tour Mode when Cruise control can be dangerous the vehicle is started. When the on slippery roads. On such roads, Selective Ride Control adapts to the Sport Mode is turned off, the system fast changes in tire traction can preference of the driver within one returns to the Tour Mode. cause excessive wheel slip, and of two driving modes: you could lose control. Do not use TOUR : Default mode used for cruise control on slippery roads. normal and long-distance highway driving. This setting provides a smooth, soft ride. If equipped with the Traction Control System (TCS), the system may SPORT : Use where road conditions begin to limit wheel spin while you or personal preference demand are using cruise control. If this more control. This setting provides happens, the cruise control will responsive, controlled steering and Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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automatically disengage. See 5 : Press to turn cruise control on 1. Press 5 to turn the cruise Traction Control/Electronic Stability or off. A white indicator comes on in system on. Control 0 189. If a collision alert the instrument cluster. occurs when cruise control is 2. Get to the speed desired. RES+ : If there is a set speed in activated, cruise control is 3. Press and release SET− . The memory, press the control up briefly disengaged. See Forward Collision desired set speed briefly to resume to that speed or press Alert (FCA) System 0 206. When appears in the instrument and hold to accelerate. If cruise road conditions allow you to safely cluster. use it again, cruise control can be control is already engaged, use to turned back on. increase vehicle speed. 4. Take your foot off the accelerator pedal. Cruise control will disengage if SET− : Press the control down either TCS or StabiliTrak is briefly to set the speed and activate The cruise control indicator on the turned off. cruise control. If cruise control is instrument cluster turns green after already engaged, use to decrease the cruise control has been set to If the brakes are applied, cruise vehicle speed. the desired speed. See Instrument control disengages. Cluster 0 107. * : Press to disengage cruise control without erasing the set Resuming a Set Speed speed from memory. If the cruise control is set at a The speedometer reading can be desired speed and then the brakes displayed in either English or metric are applied or * is pressed, the 0 units. See Instrument Cluster 107. cruise control is disengaged without The increment value used depends erasing the set speed from memory. on the units displayed. Once the vehicle reaches about Setting Cruise Control 40 km/h (25 mph) or more, press If 5 is on when not in use, SET− or RES+ up briefly. The vehicle returns to the previously set speed. RES+ could get pressed and go into cruise when not desired. Keep 5 off when cruise is not being used. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Increasing Speed While Using Passing Another Vehicle While . Press *. Cruise Control Using Cruise Control . Shift the transmission to Do one of the following: Use the accelerator pedal to N (Neutral). increase the vehicle speed. When . Press and hold RES+ up until . To turn off cruise control, the vehicle accelerates to the you take your foot off the pedal, the press 5. desired speed, then release it. vehicle will slow down to the previously set cruise speed. While . To increase vehicle speed in pressing the accelerator pedal or Erasing Speed Memory small increments, press RES+ shortly following the release to The cruise control set speed is up briefly. For each press, the override cruise control, briefly erased from memory if 5 is pressed vehicle goes about 1.6 km/h pressing SET− will result in cruise or the ignition is turned off. (1 mph) faster. set to the current vehicle speed. Reducing Speed While Using Using Cruise Control on Hills Adaptive Cruise Control Cruise Control How well the cruise control will work If equipped with Adaptive Cruise Do one of the following: on hills depends upon the vehicle Control (ACC), it allows for selecting . Press and hold SET− down until speed, load, and the steepness of the cruise control set speed and the desired lower speed is the hills. When going up steep hills, following gap. Read this entire reached, then release it. you might have to step on the section before using this system. accelerator pedal to maintain your ACC uses a radar sensor to detect . To slow down in small speed. When going downhill, you other vehicles. See Radio increments, press SET−down might have to brake or shift to a Frequency Statement 0 321. The briefly. For each press, the lower gear to keep your speed following gap is the following time vehicle goes about 1.6 km/h down. If the brake pedal is applied, (or distance) between your vehicle (1 mph) slower. cruise control will disengage. and a vehicle detected directly ahead in your path, moving in the Ending Cruise Control same direction. If no vehicle is There are four ways to end cruise detected in your path, ACC works control: like regular cruise control. . Step lightly on the brake pedal. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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If a vehicle is detected in your path, ACC can speed up the vehicle or Warning (Continued) Warning (Continued) apply limited, moderate braking to maintain the selected following gap. always required while driving and . On slippery roads where To disengage ACC, apply the brake. you should be ready to take fast changes in tire traction If the Traction Control System (TCS) action and apply the brakes. See can cause excessive or StabiliTrak® electronic stability Defensive Driving 0 163. wheel slip. control system activates while ACC is engaged, ACC may automatically disengage. See Traction Control/ Electronic Stability Control 0 189. { Warning When road conditions allow ACC to ACC will not detect or brake for be safely used, ACC can be turned children, pedestrians, animals, back on. ACC will not engage if the or other objects. TCS or StabiliTrak electronic stability control system is disabled. Do not use ACC when: . On winding and hilly roads { Warning or when the sensors are blocked by snow, ice, or dirt. ACC has limited braking ability The system may not detect and may not have time to slow a vehicle ahead. Keep the the vehicle down enough to avoid entire front of the vehicle 5 a collision with another vehicle clean. : Press to turn the system on or you are following. This can occur off. The indicator turns white on the . Visibility is low, such as in when vehicles suddenly slow or instrument cluster when ACC is fog, rain, or snow turned on. stop ahead, or enter your lane. conditions. ACC Also see “Alerting the Driver” in performance is limited under RES+ : Press the control up briefly this section. Complete attention is these conditions. to make the vehicle resume to a previously set speed, or hold (Continued) (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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upwards to accelerate. If cruise Select the set speed desired for The ACC indicator displays on the control is already engaged, use to ACC. This is the vehicle speed instrument cluster and Head-Up increase vehicle speed. when no vehicle is detected in Display (HUD). When ACC is active, its path. the indicator will be lit green. SET– : Press the control down briefly to set the speed and activate ACC will not set at a speed less Be mindful of speed limits, cruise control. If cruise control is than 25 km/h (16 mph), although it surrounding traffic speeds, and already engaged, use to decrease can be resumed when driving at weather conditions when selecting vehicle speed. lower speeds. the set speed. * : Press to disengage ACC To set ACC: Resuming a Set Speed without erasing the selected set speed. 1. Press 5. If ACC is set at a desired speed and then the brakes are applied, ACC is [ : Press to select a following gap 2. Get up to the desired speed. disengaged without erasing the set time (or distance) setting for ACC of 3. Press and release SET–. speed from memory. Far, Medium, or Near. 4. Remove your foot from the To begin using ACC again, press The speedometer reading can be accelerator. RES+ up briefly. The vehicle returns displayed in either English or metric to the previously set speed. units. See Instrument Cluster 0 107. After ACC is set, it may immediately The increment value used depends apply the brakes if a vehicle ahead Increasing Speed While ACC is at on the units displayed. is detected closer than the selected a Set Speed following gap. Do one of the following: Setting Adaptive Cruise Control 5 . Use the accelerator to get to the If is on when not in use, it could higher speed. Press SET– down. get pressed and go into ACC when Release the control and the not desired. Keep 5 off when accelerator pedal. The vehicle cruise is not being used. will now cruise at the higher speed. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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When the accelerator pedal is accelerator pedal. The vehicle Since each gap setting corresponds pressed, ACC will not brake will now cruise at the lower to a following time (Far, Medium, because it is overridden. speed. or Near), the following distance will A warning message will appear vary based on vehicle speed. The . Press and hold SET– down until on the Driver Information Center the desired lower speed is faster the vehicle speed, the further (DIC) and Head-Up Display reached, then release it. back your vehicle will follow a (HUD). See Cruise Control vehicle detected ahead. Consider Messages 0 129. . To decrease the vehicle speed in traffic and weather conditions when smaller increments, press SET− . Press and hold RES+ up until selecting the following gap. The down briefly. For each press, the range of selectable gaps may not be the desired set speed appears vehicle speed decreases to the on the display, then release it. appropriate for all drivers and next 5 km/h (1 mph) mark on the driving conditions. . To increase vehicle speed in speedometer. small increments, briefly press Changing the gap setting RES+. For each press, the Selecting the Follow Distance Gap automatically changes the alert vehicle speed increases to the When a slower moving vehicle is timing sensitivity (Far, Medium, next 5 km/h (1 mph) mark on the detected ahead within the selected or Near) for the Forward Collision speedometer. following gap, ACC will adjust the Alert (FCA) feature. See Forward Collision Alert (FCA) System 0 206. When it is determined that there is vehicle's speed and attempt to no vehicle ahead or the vehicle maintain the follow distance gap Alerting the Driver ahead is beyond the selected selected. following gap, then the vehicle Press [ on the steering wheel to speed will increase to the set speed. adjust the following gap. Each press Reducing Speed While ACC is at a cycles the gap button through three Set Speed settings: Far, Medium, or Near. Do one of the following: When pressed, the current gap setting displays briefly on the . Use the brake to get to the instrument cluster and HUD. The desired lower speed. Press gap setting will be maintained until it SET– down and release the is changed. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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If ACC is engaged, driver action If this indicator is not displaying, may be required when ACC cannot ACC will not respond to or brake to Warning (Continued) apply sufficient braking because of vehicles ahead. approaching a vehicle too rapidly. stop-and-go traffic or when a ACC automatically slows the vehicle vehicle suddenly appears due to When this condition occurs, the down and adjusts vehicle speed to a vehicle ahead changing lanes. collision alert symbol on the HUD follow the vehicle in front at the Your vehicle may not stop and will flash on the windshield. Either selected following gap. The vehicle could cause a crash. Use caution eight beeps will sound from the speed increases or decreases to when using ACC. Your complete front, or both sides of the Safety follow the vehicle in front of you, but attention is always required while Alert Seat will pulse five times. See will not exceed the set speed. It may driving and you should be ready “Collision/Detection Systems” under apply limited braking, if necessary. Vehicle Personalization 0 137. When braking is active, the brake to take action and apply the brakes. See Defensive Driving 0 163. lamps will come on. The automatic braking may feel or sound different Approaching and Following a than if the brakes were applied ACC Automatically Disengages Vehicle manually. This is normal. ACC may automatically disengage Stationary or Very Slow-Moving and the driver will need to manually Objects apply the brakes to slow the vehicle when: { Warning . The sensors are blocked. ACC may not detect and react to . The Traction Control System stopped or slow-moving vehicles (TCS) or electronic stability The vehicle ahead indicator is in the ahead of you. For example, the control system has activated or instrument cluster and HUD display. system may not brake for a been disabled. The vehicle ahead indicator only vehicle it has never detected . No traffic or other objects are displays when a vehicle is detected moving. This can occur in being detected. in your vehicle s path moving in the ’ (Continued) . There is a fault in the system. same direction. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

198 Driving and Operating

A message will appear on the DIC unbuckled, ACC automatically indicating that cruise is disengaging. applies the Electric Parking Brake { Warning The ACC active symbol will not be (EPB) to hold the vehicle. The Electric Parking Brake status light Leaving the vehicle without displayed when ACC is no longer placing it in P (Park) can be active. will turn on. See Electric Parking Brake 0 186. To resume ACC and dangerous. Do not leave the Notification to Resume ACC release the EPB, press the vehicle while it is being held at a accelerator pedal. stop by ACC. Always place the ACC will maintain a following gap vehicle in P (Park) and turn off behind a detected vehicle and slow A DIC warning message may the ignition before leaving the your vehicle to a stop behind that display indicating to shift to P (Park) vehicle. vehicle. before exiting the vehicle. See 0 If the stopped vehicle ahead has Vehicle Messages 127. driven away and ACC has not ACC Override resumed, the vehicle ahead { Warning If using the accelerator pedal while indicator will flash as a reminder to ACC is active, a DIC warning check traffic ahead before If ACC has stopped the vehicle, message will indicate that automatic proceeding. In addition, the left and and if ACC is disengaged, turned braking will not occur. See Vehicle right sides of the Safety Alert Seat off, or canceled, the vehicle will Messages 0 127. ACC will resume will pulse three times, or three no longer be held at a stop. The operation when the accelerator beeps will sound. See ”Alert Type” vehicle can move. When ACC is pedal is not being pressed. and “Go Notifier” in “Collision/ holding the vehicle at a stop, Detection Systems” under Vehicle always be prepared to manually { Warning Personalization 0 137. apply the brakes. When the vehicle ahead drives The ACC will not automatically away, press RES+ or the apply the brakes if your foot is accelerator pedal to resume cruise resting on the accelerator pedal. control. If stopped for more than You could crash into a vehicle two minutes or if the driver door is ahead of you. opened and the driver safety belt is Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Curves in the Road Warning (Continued)

{ Warning to use the brakes if necessary. On curves, ACC may not detect a Select an appropriate speed while vehicle ahead in your lane. You driving in curves. could be startled if the vehicle accelerates up to the set speed, ACC may operate differently in a especially when following a sharp curve. It may reduce the vehicle exiting or entering exit vehicle speed if the curve is too ACC may detect a vehicle that is ramps. You could lose control of sharp. not in your lane and apply the the vehicle or crash. Do not use brakes. ACC while driving on an entrance ACC may occasionally provide an or exit ramp. Always be ready to alert and/or braking that is use the brakes if necessary. considered unnecessary. It could respond to vehicles in different lanes, signs, guardrails, and other stationary objects when entering or { Warning exiting a curve. This is normal operation. The vehicle does not On curves, ACC may respond to need service. a vehicle in another lane, or may When following a vehicle and not have time to react to a vehicle entering a curve, ACC may not in your lane. You could crash into detect the vehicle ahead and a vehicle ahead of you, or lose accelerate to the set speed. When control of your vehicle. Give extra this happens, the vehicle ahead attention in curves and be ready indicator will not appear. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Other Vehicle Lane Changes lane while driving on steep hills. The Cleaning the Sensing System driver will often need to take over The radar sensor on the front of the acceleration and braking on steep vehicle can become blocked by hills, especially when towing a snow, ice, dirt, or mud. This area trailer. If the brakes are applied, the needs to be cleaned for ACC to ACC disengages. operate properly. Disengaging ACC For cleaning instructions, see There are three ways to “Washing the Vehicle” under disengage ACC: Exterior Care 0 285. . Step lightly on the brake pedal. System operation may also be ACC will not detect a vehicle ahead limited under snow, heavy rain, until it is completely in the lane. The . Press *. or road spray conditions. brakes may need to be manually 5 applied. . Press . Do Not Use ACC on Hills and Erasing Speed Memory When Towing a Trailer The cruise control set speed is erased from memory if 5 is pressed or if the ignition is turned off.

Do not use ACC when driving on steep hills or when towing a trailer. ACC will not detect a vehicle in the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Driver Assistance Warning (Continued) Warning (Continued) Systems Under many conditions, these . Work if the detection sensor This vehicle may have features that systems will not: is covered up, such as with work together to help avoid crashes . Detect children, a sticker, magnet, or metal or reduce crash damage while plate. driving, backing, and parking. Read pedestrians, bicyclists, this entire section before using or animals. . Work if the area surrounding these systems. . Detect vehicles or objects the detection sensor is outside the area monitored damaged or not properly repaired. { Warning by the system. . Work at all driving speeds. Complete attention is always Do not rely on the Driver required while driving, and you Assistance Systems. These . Warn you or provide you should be ready to take action systems do not replace the need with enough time to avoid a and apply the brakes and/or steer crash. for paying attention and driving the vehicle to avoid crashes. safely. You may not hear or feel . Work under poor visibility or alerts or warnings provided by bad weather conditions. Audible or Safety Alert Seat these systems. Failure to use . Work if the detection sensor Some driver assistance features proper care when driving may is not cleaned or is covered alert the driver of obstacles by result in injury, death, or vehicle by ice, snow, mud, or dirt. damage. See Defensive beeping. To change the volume of (Continued) Driving 0 163. the warning chime, see “Comfort and Convenience” under Vehicle (Continued) Personalization 0 137. If equipped with the Safety Alert Seat, the driver seat cushion may provide a vibrating pulse alert instead of beeping. To change this, Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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see “Collision/Detection Systems” Press MENU to adjust the display 1. View Displayed by the under Vehicle brightness while viewing the Camera Personalization 0 137. infotainment display. 2. Corners of the Rear Bumper Displayed images may be farther or Assistance Systems for closer than they appear. The area Parking or Backing displayed is limited and objects that are close to either corner of the If equipped, the Rear Vision Camera bumper or under the bumper do not (RVC), Rear Parking Assist (RPA), display. Front Parking Assist (FPA), Rear Cross Traffic Alert (RCTA), and A warning triangle may appear on Automatic Parking Assist (APA) may the infotainment display to show help the driver park or avoid objects. that RPA has detected an object. Always check around the vehicle This triangle changes from amber to when parking or backing. red and increases in size the closer the object. Rear Vision Camera (RVC) When the vehicle is shifted into 1. View Displayed by the { Warning R (Reverse), the RVC shows an Camera image of the area behind the vehicle The camera(s) do not display in the infotainment display. The children, pedestrians, bicyclists, previous screen displays when the crossing traffic, animals, or any vehicle is shifted out of R (Reverse) other object outside of the after a short delay. To return to the cameras’ field of view, below the previous screen sooner, press a bumper, or under the vehicle. button on the infotainment system, Shown distances may be different shift into P (Park), or reach a vehicle from actual distances. Do not speed of 8 km/h (5 mph). drive or park the vehicle using (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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The instrument cluster may have a Warning (Continued) { Warning Parking Assist display with bars that show “distance to object” and object only these camera(s). Always The Parking Assist system does location information for RPA, and on check behind and around the not detect children, pedestrians, some vehicles, FPA. As the object vehicle before driving. Failure to bicyclists, animals, or objects gets closer, more bars light up and use proper care may result in located below the bumper or that the bars change color from yellow to injury, death, or vehicle damage. are too close or too far from the amber to red. vehicle. It is not available at When an object is first detected in speeds greater than 8 km/h Parking Assist the rear, one beep will be heard (5 mph). To prevent injury, death, With RPA, and if equipped with FPA, from the rear. When an object is or vehicle damage, even with very close (<0.6 m (2 ft) in the as the vehicle moves at speeds of Parking Assist, always check the less than 8 km/h (5 mph) the vehicle rear, or <0.3 m (1 ft) in the area around the vehicle and vehicle front), five beeps will sound sensors on the bumpers may detect check all mirrors before moving objects up to 1.8 m (6 ft) behind the from the front or rear depending on forward or backing. vehicle and 1.2 m (4 ft) in front of the object location. Beeps for FPA are vehicle within a zone 25 cm (10 in) higher pitched than for RPA. high off the ground and below Rear Cross Traffic Alert (RCTA) bumper level. These detection distances may be shorter during If equipped, when the vehicle is warmer or humid weather. Blocked shifted into R (Reverse), RCTA sensors will not detect objects and displays a red warning triangle with can also cause false detections. a left or right pointing arrow on the Keep the sensors clean of mud, dirt, infotainment display to warn of snow, ice, and slush; and clean traffic coming from the left or right. sensors after a car wash in freezing This system detects objects coming temperatures. from up to 20 m (65 ft) from the left or right side of the vehicle. When an object is detected, either three beeps sound from the left or right, Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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or three Safety Alert Seat pulses The system cannot: { Warning occur on the left or right side, . Detect whether it is a legal depending on the direction of the parking space. detected vehicle. APA does not apply the brakes. APA may not detect objects in the . Park exactly lined up with the Turning the Features On or Off parking space, objects that are vehicle next to it if the spot is soft or narrow, objects high off the approached at an angle or if the Use the X button on the center ground such as flatbed trucks, parking space is angled. stack to turn on or off the Front and or objects below ground level Rear Parking Assist and the Rear . Park exactly centered in a spot such as large potholes. Always Cross Traffic Alert (RCTA). The that is marked too large. verify that the parking space is indicator light in the button comes . Always detect short curbs. on when the features are on and appropriate for parking a vehicle. turns off when the features have APA does not respond to changes If the vehicle is equipped with been disabled. in the parking space, such as perpendicular parking mode, press movement of an adjacent vehicle, and hold during the search RCTA can also be turned off O or a person or object entering the process to switch the APA parking through vehicle personalization. See parking space. APA does not Collision/Detection Systems under mode between perpendicular and “ ” detect or avoid traffic that is Vehicle Personalization 0 137. parallel parking. behind or alongside of the APA searches for parking spaces to vehicle. Always be prepared to Automatic Parking the right of the vehicle. To search for Assist (APA) stop the vehicle during the a parking space to the left, turn on parking maneuver. If equipped, APA searches for and the left turn signal. steers the vehicle into parallel and perpendicular parking spots. When Press O on the center stack to using APA, you must still shift gears, enable the system to search for a and control the brakes and parking space that is large enough accelerator. The Driver Information and within 1.5 m (5 ft) of the vehicle. Center (DIC) and audible beeps The vehicle speed must be below help to guide parking maneuvers. 30 km/h (18 mph). Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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wheel will briefly vibrate as a APA may automatically disengage if: reminder to remove hands from the . The steering wheel is used by steering wheel. Check surroundings the driver. and continue braking or accelerating as needed, and be prepared to stop . The maximum allowed speed is to avoid vehicles, pedestrians, exceeded. or objects. . There is a failure with the APA If the vehicle is in R (Reverse), but system. does not steer into the expected . Electronic Stability Control or After completely passing a large space, this may be because the antilock brakes are activated. enough space bordered by two system is maneuvering the vehicle vehicles or other objects, an audible into a previously detected space. . A high priority vehicle message beep occurs and a red symbol The APA system does not need is displayed in the DIC. displays in the DIC. service. To cancel APA, press O again. If the vehicle exceeds 10 km/h (6 mph), APA is automatically Assistance Systems for disengaged and automatic steering Driving will turn off. A DIC progress arrow displays the status of the parking If equipped, when driving the maneuver. Depending on the space vehicle in a forward gear, Forward size, additional maneuvers may be Collision Alert (FCA), Lane required, and there will be additional Departure Warning (LDW), Lane instructions. When changing gears, Keep Assist (LKA), Side Blind Zone allow the automatic steering to Alert (SBZA), Lane Change Alert APA will instruct the vehicle to stop complete before continuing the (LCA), and/or Forward Automatic once a large enough space is found. parking maneuver. Upon successful Braking (FAB) can help to avoid a Follow the instructions in the DIC. completion of a maneuver, APA will crash or reduce crash damage. When instructed to drive in reverse, beep and display a PARKING shift to R (Reverse) to engage COMPLETE message. Place the automatic steering. The steering vehicle in P (Park). Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Forward Collision Alert the vehicle ahead indicator will Warning (Continued) display green. Vehicles may not be (FCA) System detected on curves, highway exit The FCA system may help to avoid closely, FCA may not provide a ramps, or hills, due to poor visibility; or reduce the harm caused by warning with enough time to help or if a vehicle ahead is partially front-end crashes. FCA provides a avoid a crash. It also may not blocked by pedestrians or other flashing red alert on the windshield, provide any warning at all. FCA objects. FCA will not detect another and beeps or pulses the Safety Alert does not warn of pedestrians, vehicle ahead until it is completely Seat when approaching a vehicle animals, signs, guardrails, in the driving lane. directly ahead too quickly. FCA also bridges, construction barrels, provides a visual alert if following or other objects. Be ready to take { Warning another vehicle much too closely. action and apply the brakes. See 0 FCA detects vehicles within a Defensive Driving 163. FCA does not provide a warning distance of approximately 60 m to help avoid a crash, unless it (197 ft) and operates at speeds FCA can be disabled through detects a vehicle. FCA may not above 8 km/h (5 mph). If the vehicle vehicle personalization. See detect a vehicle ahead if the FCA has Adaptive Cruise Control (ACC), “Collision/Detection Systems” under sensor is blocked by dirt, snow, it can detect vehicles to distances of Vehicle Personalization 0 137. or ice, or if the windshield is approximately 110 m (360 ft). See damaged. It may also not detect a Adaptive Cruise Control 0 193. Detecting the Vehicle Ahead vehicle on winding or hilly roads, or in conditions that can limit { Warning visibility such as fog, rain, or snow, or if the headlamps or FCA is a warning system and windshield are not cleaned or in does not apply the brakes. When proper condition. Keep the approaching a slower-moving or windshield, headlamps, and FCA stopped vehicle ahead too rapidly, sensors clean and in good repair. or when following a vehicle too FCA warnings will not occur unless the FCA system detects a vehicle (Continued) ahead. When a vehicle is detected, Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Collision Alert Tailgating Alert timing. The range of selectable alert timing may not be appropriate for all drivers and driving conditions. Changing the FCA timing setting automatically changes the following gap setting (Far, Medium, or Near) for the Adaptive Cruise Control (ACC) feature. When your vehicle approaches The vehicle ahead indicator will another vehicle too rapidly, the red display amber when you are Following Distance Indicator collision alert symbol on the HUD following a vehicle ahead much too The following distance to a moving will flash on the windshield. Either closely. vehicle you are following is eight beeps will sound from the Selecting the Alert Timing indicated in following time in front, or both sides of the Safety seconds on the DIC. See Driver Alert Seat will pulse five times. The Collision Alert control is on the Information Center (DIC) 0 121. The When this Collision Alert occurs, the steering wheel. Press [ to set the minimum following time is brake system may prepare for driver alert timing. The first button press 0.5 seconds away. If there is no braking to occur more rapidly which shows the current setting on the vehicle detected ahead, or the can cause a brief, mild deceleration. Driver Information Center (DIC). vehicle ahead is out of sensor Continue to apply the brake pedal Additional button presses will range, dashes will be displayed. as needed. Cruise control may be change this setting. The chosen disengaged when the Collision Alert setting will remain until it is changed Unnecessary Alerts occurs. and will affect the timing of both the FCA may provide unnecessary Collision Alert and the Tailgating alerts for turning vehicles, vehicles Alert features. The timing of both in other lanes, objects that are not alerts will vary based on vehicle vehicles, or shadows. These alerts speed. The faster the vehicle speed, are normal operation and the the farther away the alert will occur. vehicle does not need service. Consider traffic and weather conditions when selecting the alert Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Cleaning the System The system works when driving in a forward gear between 10 km/h Warning (Continued) If the FCA system does not seem to (6 mph) and 180 km/h (112 mph) for operate properly, cleaning the moving vehicles, or between . Detect a vehicle when outside of the windshield in front of 10 km/h (6 mph) and 55 km/h weather limits visibility, such the camera sensor and the front of (34 mph) for stationary vehicles. as in fog, rain, or snow. the vehicle may correct the issue. It can detect vehicles up to . Detect a vehicle ahead if it approximately 60 m (197 ft). is partially blocked by Forward Automatic pedestrians or other objects. Braking (FAB) { Warning Complete attention is always If the vehicle has Adaptive Cruise required while driving, and you FAB is an emergency crash Control (ACC), it also has FAB, should be ready to take action preparation feature and is not which includes Intelligent Brake and apply the brakes and/or steer designed to avoid crashes. Do Assist (IBA). When the system the vehicle to avoid crashes. detects a vehicle ahead in your path not rely on FAB to brake the that is traveling in the same vehicle. FAB will not brake direction that you may be about to outside of its operating speed FAB may slow the vehicle to a crash into, it can provide a boost to range and only responds to complete stop to try to avoid a braking or automatically brake the detected vehicles. potential crash. The vehicle will only hold at a stop briefly. A firm press of vehicle. This can help avoid or FAB may not: lessen the severity of crashes when the accelerator pedal will also driving in a forward gear. Depending . Detect a vehicle ahead on release FAB. on the situation, the vehicle may winding or hilly roads. automatically brake moderately or . Detect all vehicles, { Warning hard. This forward automatic especially vehicles with a FAB may automatically brake the braking can only occur if a vehicle is trailer, tractors, muddy vehicle suddenly in situations detected. This is shown by the FCA vehicles, etc. vehicle ahead indicator being lit. where it is unexpected and (Continued) See Forward Collision Alert (FCA) (Continued) System 0 206. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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a forward gear. FPB displays an Warning (Continued) { Warning amber indicator, ~, when a nearby undesired. It could respond to a IBA may increase vehicle braking pedestrian is detected directly turning vehicle ahead, guardrails, in situations when it may not be ahead. When approaching a signs, and other non-moving necessary. You could block the detected pedestrian too quickly, FPB provides a red flashing alert on objects. To override FAB, firmly flow of traffic. If this occurs, take the windshield and rapidly beeps or press the accelerator pedal, if it is your foot off the brake pedal and pulses the driver seat. FPB can safe to do so. then apply the brakes as needed. provide a boost to braking or automatically brake the vehicle. This Intelligent Brake Assist (IBA) FAB and IBA can be disabled system includes Intelligent Brake through vehicle personalization. See Assist (IBA), and the Forward IBA may activate when the brake Vehicle Personalization 0 137. Automatic Braking (FAB) system pedal is applied quickly by providing may also respond to pedestrians. a boost to braking based on the { Warning See Forward Automatic Braking speed of approach and distance to (FAB) 0 208. a vehicle ahead. Using FAB or IBA while towing a The FPB system can detect and Minor brake pedal pulsations or trailer could cause you to lose alert to pedestrians in a forward pedal movement during this time is control of the vehicle and crash. gear at speeds between 8 km/h normal and the brake pedal should Turn the system to Off when (5 mph) and 80 km/h (50 mph). continue to be applied as needed. towing a trailer. During daytime driving, the system IBA will automatically disengage detects pedestrians up to a distance only when the brake pedal is of approximately 40 m (131 ft). released. Front Pedestrian Braking During nighttime driving, system (FPB) System performance is very limited. If equipped, the FPB system may help avoid or reduce the harm caused by front-end crashes with nearby pedestrians when driving in Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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FPB can be set to Off, Alert, or Alert Front Pedestrian Alert { Warning and Brake through vehicle personalization. See “Collision/ FPB does not provide an alert or Detection Systems” under Vehicle automatically brake the vehicle, Personalization 0 137. unless it detects a pedestrian. FPB may not detect pedestrians, Detecting the Pedestrian including children: Ahead With Head-Up Display . When the pedestrian is not directly ahead, fully visible, or standing upright, or when part of a group. . Due to poor visibility, including nighttime conditions, fog, rain, FPB alerts and automatic braking or snow. Without Head-Up Display will not occur unless the FPB . If the FPB sensor is blocked system detects a pedestrian. When When the vehicle approaches a by dirt, snow, or ice. a nearby pedestrian is detected pedestrian ahead too rapidly, the directly in front of the vehicle, the red FPB alert display will flash on . If the headlamps or the windshield. Eight rapid windshield are not cleaned pedestrian ahead indicator will display amber. high-pitched beeps will sound from or in proper condition. the front, or both sides of the Safety Be ready to take action and apply Alert Seat will pulse five times. the brakes. For more information, When this Pedestrian Alert occurs, see Defensive Driving 0 163. the brake system may prepare for Keep the windshield, headlamps, driver braking to occur more rapidly and FPB sensor clean and in which can cause a brief, mild good repair. deceleration. Continue to apply the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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brake pedal as needed. Cruise control may be disengaged when { Warning Warning (Continued) the Front Pedestrian Alert occurs. FPB may alert or automatically control of the vehicle and crash. Automatic Braking brake the vehicle suddenly in Turn the system to Alert or Off If FPB detects it is about to crash situations where it is unexpected when towing a trailer. into a pedestrian directly ahead, and and undesired. It could falsely the brakes have not been applied, alert or brake for objects similar in Cleaning the System FPB may automatically brake shape or size to pedestrians, moderately or brake hard. This can including shadows. This is normal If FPB does not seem to operate help to avoid some very low speed operation and the vehicle does properly, cleaning the outside of the pedestrian crashes or reduce not need service. To override windshield in front of the rearview pedestrian injury. FPB can Automatic Braking, firmly press mirror may correct the issue. automatically brake to detected the accelerator pedal, if it is safe pedestrians between 8 km/h (5 mph) to do so. Side Blind Zone and 80 km/h (50 mph). Automatic Alert (SBZA) braking levels may be reduced under certain conditions, such as Automatic Braking can be disabled If equipped, the SBZA system is a higher speeds. through vehicle personalization. See lane-changing aid that assists “Front Pedestrian Detection” in drivers with avoiding crashes that If this happens, Automatic Braking “Collision/Detection Systems” under occur with moving vehicles in the may engage the Electric Parking Vehicle Personalization 0 137. side blind zone (or spot) areas. Brake (EPB) to hold the vehicle at a When the vehicle is in a forward stop. Release the EPB. A firm press { Warning gear, the left or right side mirror of the accelerator pedal will also display will light up if a moving release Automatic Braking and Using the Front Pedestrian vehicle is detected in that blind the EPB. Braking system while towing a zone. If the turn signal is activated trailer could cause you to lose and a vehicle is also detected on the same side, the display will flash (Continued) as an extra warning not to change lanes. Since this system is part of Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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the Lane Change Alert (LCA) the middle of the vehicle and goes system, read the entire LCA section Warning (Continued) back 5 m (16 ft). Drivers are also before using this feature. warned of vehicles rapidly Before making a lane change, approaching from up to 70 m (230 ft) Lane Change Alert (LCA) always check mirrors, glance over behind the vehicle. your shoulder, and use the turn If equipped, the LCA system is a signals. How the System Works lane-changing aid that assists The LCA symbol lights up in the drivers with avoiding lane change side mirrors when the system crashes that occur with moving LCA Detection Zones detects a moving vehicle in the next vehicles in the side blind zone (or lane over that is in the side blind spot) areas or with vehicles rapidly zone or rapidly approaching that approaching these areas from zone from behind. A lit LCA symbol behind. The LCA warning display indicates it may be unsafe to will light up in the corresponding change lanes. Before making a lane outside side mirror and will flash if change, check the LCA display, the turn signal is on. check mirrors, glance over your shoulder, and use the turn signals. { Warning

LCA does not alert the driver to 1. SBZA Detection Zone vehicles outside of the system 2. LCA Detection Zone detection zones, pedestrians, The LCA sensor covers a zone of bicyclists, or animals. It may not approximately one lane over from provide alerts when changing both sides of the vehicle, or 3.5 m Left Side Mirror Right Side Mirror lanes under all driving conditions. (11 ft). The height of the zone is Display Display Failure to use proper care when approximately between 0.5 m (1.5 ft) changing lanes may result in and 2 m (6 ft) off the ground. The When the vehicle is started, both injury, death, or vehicle damage. Side Blind Zone Alert (SBZA) outside mirror LCA displays will (Continued) warning area starts at approximately briefly come on to indicate the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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system is operating. When the LCA displays may not come on heavy rainstorms. For cleaning vehicle is in a forward gear, the left when passing a vehicle quickly, for instructions, see "Washing the or right side mirror display will light a stopped vehicle, or when towing a Vehicle" under Exterior Care 0 285. up if a moving vehicle is detected in trailer. The LCA detection zones If the DIC still displays the system the next lane over in that blind zone that extend back from the side of unavailable message after cleaning or rapidly approaching that zone. the vehicle do not move further back both sides of the vehicle toward the If the turn signal is activated in the when a trailer is towed. Use caution rear corners of the vehicle, see your same direction as a detected while changing lanes when towing a dealer. vehicle, this display will flash as an trailer. LCA may alert to objects If the LCA displays do not light up extra warning not to change lanes. attached to the vehicle, such as a when moving vehicles are in the LCA can be disabled through trailer, bicycle, or object extending side blind zone or are rapidly vehicle personalization using the out to either side of the vehicle. approaching this zone and the Lane Change Alert option. See Attached objects may also interfere system is clean, the system may with the detection of vehicles. This “Collision/Detection Systems” under need service. Take the vehicle to Vehicle Personalization 0 137. is normal system operation; the your dealer. If LCA is disabled by the driver, the vehicle does not need service. LCA mirror displays will not light up. LCA may not always alert the driver Radio Frequency Information to vehicles in the next lane over, See Radio Frequency When the System Does Not especially in wet conditions or when Statement 0 321. Seem to Work Properly driving on sharp curves. The system The LCA system requires some does not need to be serviced. The Lane Departure driving for the system to calibrate to system may light up due to Warning (LDW) maximum performance. This guardrails, signs, trees, shrubs, and calibration may occur more quickly if other non-moving objects. This is If equipped, LDW may help avoid the vehicle is driving on a straight normal system operation; the crashes due to unintentional lane highway road with traffic and vehicle does not need service. departures. It may provide a roadside objects (e.g., guardrails, LCA may not operate when the LCA warning if the vehicle is crossing a barriers). sensors in the left or right corners of detected lane marking without using the rear bumper are covered with a turn signal in the lane departure mud, dirt, snow, ice, or slush, or in direction. Since this system is part Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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of the Lane Keep Assist (LKA) system, read the entire LKA section Warning (Continued) Warning (Continued) before using this feature. lane or give a Lane Departure alert when approaching the lane Lane Keep Assist (LKA) Warning (LDW) alert, even if a on the side where it has detected lane marking is detected. a lane marking. Even with LKA If equipped, LKA may help avoid The LKA and LDW systems and LDW, you must steer the crashes due to unintentional lane may not: vehicle. Always keep your departures. It may assist by gently attention on the road and turning the steering wheel if the . Provide an alert or enough maintain proper vehicle position vehicle approaches a detected lane steering assist to avoid a within the lane, or vehicle marking without using a turn signal lane departure or crash. damage, injury, or death could in that direction. It may also provide . Detect lane markings under occur. Always keep the a Lane Departure Warning (LDW) poor weather or visibility windshield, headlamps, and system alert as the lane marking is conditions. This can occur if camera sensors clean and in crossed. The LKA system will not the windshield or good repair. Do not use LKA in assist or provide an LDW alert if it headlamps are blocked by detects that you are actively bad weather conditions. dirt, snow, or ice, if they are steering. Override LKA by turning not in proper condition, or if the steering wheel. LKA uses a the sun shines directly into camera to detect lane markings the camera. { Warning between 60 km/h (37 mph) and 180 km/h (112 mph). . Detect road edges. Using LKA while towing a trailer . Detect lanes on winding or or on slippery roads could cause { Warning hilly roads. loss of control of the vehicle and a crash. Turn the system off. The LKA system does not If LKA only detects lane markings continuously steer the vehicle. on one side of the road, it will It may not keep the vehicle in the only assist or provide an LDW (Continued) (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Driving and Operating 215 How the System Works When the System Does Not Fuel Seem to Work Properly The LKA camera sensor is on the GM recommends the use of TOP windshield ahead of the rearview The system performance may be TIER Detergent Gasoline to keep mirror. affected by: the engine cleaner and reduce To turn LKA on and off, press A . Close vehicles ahead. engine deposits. See www.toptiergas.com for a list of TOP on the center stack. Sudden lighting changes, such . TIER Detergent Gasoline marketers as when driving through tunnels. When on, A is green if LKA is and applicable countries. available to assist and provide LDW . Banked roads. alerts. It may assist by gently . Roads with poor lane markings, turning the steering wheel and such as two-lane roads. display A as amber if the vehicle If the LKA system is not functioning approaches a detected lane marking properly when lane markings are without using a turn signal in that clearly visible, cleaning the direction. It may also provide an windshield may help. LDW alert by flashing A amber as the lane marking is crossed. LKA assistance and/or LDW alerts Additionally, there will be three may occur due to tar marks, beeps on the right or left, depending shadows, cracks in the road, on the lane departure direction. temporary or construction lane markings, or other road The LKA system does not imperfections. This is normal system Do not use any fuel labeled E85 or continuously steer the vehicle. operation; the vehicle does not need FlexFuel. Do not use gasoline with If LKA does not detect active driver service. Turn LKA off if these ethanol levels greater than 15% by steering, an alert and chime may be conditions continue. volume. provided. Move the steering wheel to dismiss. Use regular unleaded gasoline meeting ASTM specification D4814 with a posted octane rating of 87 or higher. Do not use gasoline with a Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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posted octane rating of less than 87, may not pass a smog-check test. as this may cause engine knock and Caution (Continued) See Malfunction Indicator Lamp will lower fuel economy. (Check Engine Light) 0 113. If this (MMT), which can damage occurs, return to your authorized Prohibited Fuels the emissions control dealer for diagnosis. If it is system and spark plugs. determined that the condition is Caution . Fuel with a posted octane caused by the type of fuel used, rating of less than the repairs may not be covered by the Do not use fuels with any of the recommended fuel. Using vehicle warranty. following conditions; doing so this fuel will lower fuel may damage the vehicle and void economy and performance, Fuels in Foreign its warranty: and may decrease the life of Countries . For vehicles which are not the emissions catalyst. FlexFuel, fuel labeled The U.S., Canada, and Mexico post fuel octane ratings in anti-knock greater than 15% ethanol by California Fuel volume, such as mid-level index (AKI). For fuel not to use in a ethanol blends (16 – 50% Requirements foreign country, see “Prohibited Fuels” in Fuel 0 215. ethanol), E85, or FlexFuel. If the vehicle is certified to meet . Fuel with any amount of California Emissions Standards, it is Fuel Additives methanol, methylal, and designed to operate on fuels that aniline. These fuels can meet California specifications. See To keep fuel systems clean, TOP corrode metal fuel system the underhood emission control TIER Detergent Gasoline is parts or damage plastic and label. If this fuel is not available in recommended. See Fuel 0 215. states adopting California Emissions rubber parts. If TOP TIER Detergent Gasoline is Standards, the vehicle will operate Fuel containing metals such not available, one bottle of GM Fuel . satisfactorily on fuels meeting as methylcyclopentadienyl System Treatment Cleaner added to federal specifications, but emission manganese tricarbonyl the fuel tank at every engine oil control system performance may be change, can help. GM Fuel System (Continued) affected. The malfunction indicator Treatment Cleaner is the only lamp could turn on and the vehicle Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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gasoline additive recommended by To open the fuel door, push and General Motors. It is available at Warning (Continued) release the rearward center edge of your dealer. the door. . Keep children away from the fuel pump and never let The vehicle has a capless refueling Filling the Tank children pump fuel. system and does not have a fuel cap. The filling nozzle must be fully { Warning . Fuel can spray out if the inserted and latched prior to starting refueling nozzle is inserted fuel flow. Fuel vapors and fuel fires burn too quickly. This spray can happen if the tank is nearly violently and can cause injury or { Warning death. full, and is more likely in hot weather. Insert the refueling Overfilling the fuel tank by more . To help avoid injuries to you nozzle slowly and wait for and others, read and follow any hiss noise to stop prior than three clicks of a standard fill all the instructions on the to beginning to flow fuel. nozzle may cause: fuel pump island. . Vehicle performance issues, . Turn off the engine when including engine stalling and refueling. damage to the fuel system. . Keep sparks, flames, and . Fuel spills. smoking materials away . Potential fuel fires. from fuel. . Do not leave the fuel pump Be careful not to spill fuel. Wait a unattended. few seconds after you have finished . Do not use a cell phone pumping before removing the while refueling. nozzle. Clean fuel from painted surfaces as soon as possible. See . Do not reenter the vehicle Exterior Care 0 285. while pumping fuel. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

218 Driving and Operating

{ Warning { Warning Warning (Continued)

If a fire starts while you are Attempting to refuel without using . Use approved fuel refueling, do not remove the the funnel adapter may cause fuel containers. nozzle. Shut off the flow of fuel by spillage and damage the capless . Remove the container from shutting off the pump or by fuel system. This could cause a the vehicle, trunk, or pickup notifying the station attendant. fire and you or others could be bed before filling. Leave the area immediately. badly burned and the vehicle . Place the container on the could be damaged. ground. Filling the Tank with a Portable . Place the nozzle inside the Gas Can 3. Remove and clean the funnel fill opening of the container If the vehicle runs out of fuel and adapter and return it to the before dispensing fuel, and must be filled from a portable storage location. keep it in contact with the fill gas can: opening until filling is Filling a Portable Fuel complete. Container . Fill the container no more than 95% full to allow for { Warning expansion. Filling a portable fuel container . Do not smoke, light while it is in the vehicle can cause matches, or use lighters 1. Locate the capless funnel fuel vapors that can ignite either while pumping fuel. adapter from inside the trunk. by static electricity or other . Avoid using cell phones or 2. Insert and latch the funnel into means. You or others could be other electronic devices. the capless fuel system. badly burned and the vehicle could be damaged. Always: (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Driving and Operating 219 Trailer Towing . Do not tow a trailer during the first 800 km (500 mi) to prevent { Warning damage to the engine, axle, General Towing or other parts. When towing a trailer, exhaust Information gases may collect at the rear of . Then during the first 800 km the vehicle and enter if the Only use towing equipment that has (500 mi) of trailer towing, do not liftgate, trunk/hatch, or rear-most been designed for the vehicle. drive over 80 km/h (50 mph) and window is open. Contact your dealer or trailering do not make starts at full throttle. When towing a trailer: dealer for assistance with preparing . Vehicles can tow in D (Drive). the vehicle for towing a trailer. Read Shift the transmission to a lower . Do not drive with the the entire section before towing a gear if the transmission shifts liftgate, trunk/hatch, trailer. too often under heavy loads and/ or rear-most window open. For towing a disabled vehicle, see or hilly conditions. . Fully open the air outlets on 0 Towing the Vehicle 283. For . Do not use Adaptive Cruise or under the instrument towing the vehicle behind another Control when towing. panel. vehicle such as a motor home, see Recreational Vehicle Towing 0 283. . The Forward Automatic Braking . Also adjust the climate system should be set to Off control system to a setting Driving Characteristics when towing. See Forward that brings in only outside Automatic Braking (FAB) 0 208. air. See “Climate Control and Towing Tips Systems” in the Index. . Turn off Parking Assist when Driving with a Trailer towing. For more information about When towing a trailer: carbon monoxide, see Engine Exhaust 0 179. . Become familiar with the state and local laws that apply to trailer towing. Towing a trailer requires a certain amount of experience. The combination you are driving is longer and not as responsive as the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

220 Driving and Operating

vehicle itself. Get acquainted with necessary to go much farther or other objects. Avoid jerky or the handling and braking of the rig beyond the passed vehicle before sudden maneuvers. Signal well in before setting out for the open road. returning to the lane. advance. Before starting, check all trailer hitch Backing Up If the trailer turn signal bulbs burn parts and attachments, safety out, the arrows on the instrument chains, electrical connectors, lamps, Hold the bottom of the steering cluster will still flash for turns. It is tires, and mirrors. If the trailer has wheel with one hand. To move the important to check occasionally to electric brakes, start the trailer to the left, move that hand to be sure the trailer bulbs are still combination moving and then apply the left. To move the trailer to the working. the trailer brake controller by hand right, move your hand to the right. to be sure the brakes work. Always back up slowly and, Driving on Grades if possible, have someone Reduce speed and shift to a lower During the trip, check occasionally guide you. to be sure that the load is secure gear before starting down a long or and the lamps and any trailer Making Turns steep downgrade. If the brakes still work. transmission is not shifted down, the Caution brakes might get hot and no longer Following Distance work well. Stay at least twice as far behind the Making very sharp turns while Vehicles can tow in D (Drive). Shift vehicle ahead as you would when trailering could cause the trailer to the transmission to a lower gear if driving the vehicle without a trailer. come in contact with the vehicle. the transmission shifts too often This can help to avoid heavy The vehicle could be damaged. under heavy loads and/or hilly braking and sudden turns. Avoid making very sharp turns conditions. Passing while trailering. When towing at high altitude on steep uphill grades, consider the More passing distance is needed following: Engine coolant will boil at when towing a trailer. The When turning with a trailer, make wider turns than normal. Do this so a lower temperature than at normal combination will not accelerate as altitudes. If the engine is turned off quickly and is longer so it is the trailer will not strike soft shoulders, curbs, road signs, trees, immediately after towing at high altitude on steep uphill grades, the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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vehicle may show signs similar to 2. Have someone place chocks Maintenance when Trailer engine overheating. To avoid this, under the trailer wheels. Towing let the engine run while parked, 3. When the wheel chocks are in The vehicle needs service more preferably on level ground, with the place, release the regular automatic transmission in P (Park) often when pulling a trailer. See brakes until the chocks absorb Maintenance Schedule 0 296. for a few minutes before turning the the load. engine off. If the overheat warning Things that are especially important comes on, see Engine 4. Reapply the brake pedal. Then in trailer operation are automatic Overheating 0 238. apply the parking brake and transmission fluid, engine oil, axle shift into P (Park). lubricant, belts, cooling system, and Parking on Hills brake system. It is a good idea to 5. Release the brake pedal. inspect these before and during { Warning Leaving After Parking on a Hill the trip. 1. Apply and hold the brake Check periodically to see that all Parking the vehicle on a hill with hitch nuts and bolts are tight. the trailer attached can be pedal. dangerous. If something goes 2. Start the engine. Trailer Towing wrong, the rig could start to move. 3. Shift into a gear. People can be injured, and both Before pulling a trailer, three the vehicle and the trailer can be 4. Release the parking brake. important considerations have to do damaged. When possible, always 5. Let up on the brake pedal. with weight: park the rig on a flat surface. 6. Drive slowly until the trailer is . Weight of the trailer. clear of the chocks. . Weight of the trailer tongue. If parking the rig on a hill: 7. Stop and have someone pick . Total weight on your vehicle's 1. Press the brake pedal, but do up and store the chocks. tires. not shift into P (Park) yet. Turn the wheels into the curb if facing downhill or into traffic if facing uphill. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Weight of the Trailer Ask your dealer for trailering information or advice, or write us at How heavy can a trailer safely be? our Customer Assistance Offices. It should never weigh more than See Customer Assistance 454 kg (1,000 lb). But even that can Offices 0 313. be too heavy. Weight of the Trailer Tongue It depends on how the rig is used. For example, speed, altitude, road The tongue load (1) of any trailer is grades, outside temperature, and an important weight to measure how much the vehicle is used to pull because it affects the total gross a trailer are all important. It can weight of the vehicle. The Gross depend on any special equipment Vehicle Weight (GVW) includes the curb weight of the vehicle, any on the vehicle, and the amount of The trailer tongue (1) should weigh cargo carried in it, and the people tongue weight the vehicle can carry. 10 % of the total loaded trailer who will be riding in the vehicle. See “Weight of the Trailer Tongue” weight (2). following. If there are a lot of options, equipment, passengers, or cargo in After loading the trailer, weigh the Maximum trailer weight is calculated the vehicle, it will reduce the tongue trailer and then the tongue, assuming the tow vehicle has the weight the vehicle can carry, which separately, to see if the weights are driver, a front seat passenger, all the will also reduce the trailer weight the proper. If they are not, adjustments required tow equipment, and it has vehicle can tow. If towing a trailer, might be made by moving some all the required trailering equipment. the tongue load must be added to items around in the trailer. The weight of additional optional the GVW because the vehicle will equipment, passengers, and cargo be carrying that weight, too. See in the tow vehicle must be Vehicle Load Limits 0 168. subtracted from the maximum trailer weight. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Driving and Operating 223 Total Weight on Your Vehicle's carbon monoxide (CO) from the Conversions and Tires exhaust can get into the vehicle. See Engine Exhaust 0 179. Add-Ons Be sure the vehicle's tires are inflated to the upper limit for cold Safety Chains tires. These numbers can be found Add-On Electrical Always attach chains between the on the Tire and Loading Information Equipment vehicle and the trailer. Cross the label. See Vehicle Load Limits safety chains under the tongue of 0 168. Make sure not to go over the the trailer to help prevent the tongue { Warning GVW limit for the vehicle, including from contacting the road if it the weight of the trailer tongue. becomes separated from the hitch. The Data Link Connector (DLC) is Leave enough slack so the rig can used for vehicle service and Towing Equipment turn. Never allow safety chains to Emission Inspection/Maintenance drag on the ground. testing. See Malfunction Indicator Hitches Lamp (Check Engine Light) 0 113. Use the correct hitch equipment. Trailer Brakes A device connected to the DLC — See your dealer or a hitch dealer for Does the trailer have its own such as an aftermarket fleet or assistance. brakes? Be sure to read and follow driver-behavior tracking device — . The rear bumper on the vehicle the instructions for the trailer brakes may interfere with vehicle is not intended for hitches. Do so they are installed, adjusted, and systems. This could affect vehicle not attach rental hitches or other maintained properly. operation and cause a crash. bumper-type hitches to it. Use Because the vehicle has antilock Such devices may also access only a frame-mounted hitch that brakes, do not tap into the vehicle's information stored in the vehicle’s does not attach to the bumper. brake system. If this is done, both systems. . Will any holes be made in the brake systems will not work well or body of the vehicle when the at all. trailer hitch is installed? If so, seal the holes when the hitch is removed. If the holes are not sealed, dirt, water, and deadly Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Caution

Some electrical equipment can damage the vehicle or cause components to not work and would not be covered by the vehicle warranty. Always check with your dealer before adding electrical equipment.

Add-on equipment can drain the vehicle's 12-volt battery, even if the vehicle is not operating. The vehicle has an airbag system. Before attempting to add anything electrical to the vehicle, see Servicing the Airbag-Equipped Vehicle 0 75 and Adding Equipment to the Airbag-Equipped Vehicle 0 75. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Battery - North America ...... 242 All-Season Tires ...... 254 Vehicle Care All-Wheel Drive ...... 243 Winter Tires ...... 254 Starter Switch Check ...... 243 Tire Sidewall Labeling ...... 255 Park Brake and P (Park) Tire Designations ...... 257 General Information Mechanism Check ...... 243 Tire Terminology and General Information ...... 226 Wiper Blade Replacement . . . . 244 Definitions ...... 258 California Proposition Windshield Replacement . . . . . 244 Tire Pressure ...... 260 65 Warning ...... 226 Tire Pressure for High-Speed California Perchlorate Headlamp Aiming Operation ...... 261 Materials Requirements . . . . . 226 Headlamp Aiming ...... 245 Tire Pressure Monitor Accessories and System ...... 262 Modifications ...... 226 Bulb Replacement Bulb Replacement ...... 245 Tire Pressure Monitor Vehicle Checks High Intensity Discharge (HID) Operation ...... 263 Doing Your Own Lighting ...... 245 Tire Inspection ...... 266 Service Work ...... 227 LED Lighting ...... 245 Tire Rotation ...... 266 Hood ...... 228 Taillamps, Turn Signal, When It Is Time for New Engine Compartment Stoplamps, and Back-Up Tires ...... 267 Overview ...... 229 Lamps ...... 245 Buying New Tires ...... 268 Engine Oil ...... 230 License Plate Lamp ...... 246 Different Size Tires and Engine Oil Life System ...... 232 Replacement Bulbs ...... 247 Wheels ...... 269 Automatic Transmission Uniform Tire Quality Fluid ...... 233 Electrical System Grading ...... 270 Engine Air Cleaner/Filter ...... 234 Electrical System Overload . . . 247 Wheel Alignment and Tire Cooling System ...... 235 Fuses and Circuit Breakers . . . 248 Balance ...... 271 Engine Coolant ...... 235 Engine Compartment Fuse Wheel Replacement ...... 271 Engine Overheating ...... 238 Block ...... 248 Tire Chains ...... 272 Overheated Engine Protection Instrument Panel Fuse If a Tire Goes Flat ...... 273 Operating Mode ...... 239 Block ...... 251 Tire Changing ...... 274 Compact Spare Tire ...... 279 Washer Fluid ...... 240 Wheels and Tires Brakes ...... 240 Tires ...... 253 Brake Fluid ...... 241 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

226 Vehicle Care Jump Starting General Information cause cancer and birth defects or Jump Starting - North other reproductive harm. Engine America ...... 280 For service and parts needs, visit exhaust, many parts and systems, your dealer. You will receive many fluids, and some component Towing the Vehicle genuine GM parts and GM-trained wear by-products contain and/or Towing the Vehicle ...... 283 and supported service people. emit these chemicals. Recreational Vehicle 0 Towing ...... 283 Genuine GM parts have one of See Battery - North America 242 these marks: and Jump Starting - North Appearance Care America 0 280. Exterior Care ...... 285 Interior Care ...... 290 California Perchlorate Floor Mats ...... 293 Materials Requirements Certain types of automotive applications, such as airbag initiators, safety belt pretensioners, and lithium batteries contained in Remote Keyless Entry transmitters, may contain perchlorate materials. Special handling may be necessary. For additional information, see www.dtsc.ca.gov/hazardouswaste/ California Proposition perchlorate. 65 Warning Accessories and WARNING: Most motor vehicles, including this one, as well as many Modifications of its service parts and fluids, Adding non-dealer accessories or contain and/or emit chemicals making modifications to the vehicle known to the State of California to can affect vehicle performance and Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Vehicle Care 227 safety, including such things as Damage to vehicle components Vehicle Checks airbags, braking, stability, ride and resulting from modifications or the handling, emissions systems, installation or use of non-GM aerodynamics, durability, and certified parts, including control Doing Your Own electronic systems like antilock module or software modifications, is Service Work brakes, traction control, and stability not covered under the terms of the control. These accessories or vehicle warranty and may affect { Warning modifications could even cause remaining warranty coverage for malfunction or damage not covered affected parts. It can be dangerous to work on by the vehicle warranty. GM Accessories are designed to your vehicle if you do not have Damage to suspension components complement and function with other the proper knowledge, service caused by modifying vehicle height systems on the vehicle. See your manual, tools, or parts. Always outside of factory settings will not be dealer to accessorize the vehicle follow owner manual procedures covered by the vehicle warranty. using genuine GM Accessories and consult the service manual installed by a dealer technician. for your vehicle before doing any Also, see Adding Equipment to the service work. Airbag-Equipped Vehicle 0 75. If doing some of your own service work, use the proper service manual. It tells you much more about how to service the vehicle than this manual can. To order the proper service manual, see Service Publications Ordering Information 0 320. This vehicle has an airbag system. Before attempting to do your own service work, see Servicing the Airbag-Equipped Vehicle 0 75. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

228 Vehicle Care

Keep a record with all parts receipts 1. Pull the interior hood release To close the hood: and list the mileage and the date of handle located to the left of the 1. Before closing the hood, be any service work performed. See steering column below the 0 sure all the filler caps are on Maintenance Records 307. instrument panel. properly. Caution 2. Lower the hood 30 cm (12 in) above the vehicle and release Even small amounts of it so it fully latches. Check to contamination can cause damage make sure the hood is closed to vehicle systems. Do not allow and repeat the process if contaminants to contact the fluids, necessary. reservoir caps, or dipsticks.

Hood To open the hood:

2. Go to the front of the vehicle and push the secondary hood release handle toward the driver side of the vehicle. 3. Lift the hood. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Engine Compartment Overview Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

230 Vehicle Care

1. Windshield Washer Fluid Engine Oil dipstick handle is a loop. See Reservoir. See Washer Engine Compartment Overview Fluid 0 240. To ensure proper engine 0 229 for the location. performance and long life, careful 2. Engine Oil Fill Cap. See attention must be paid to engine oil. 0 Engine Oil 230. Following these simple, but { Warning 3. Engine Oil Dipstick. See important steps will help protect The engine oil dipstick handle 0 Engine Oil 230. your investment: may be hot; it could burn you. 4. Engine Cooling Fans (Out of . Use engine oil approved to the Use a towel or glove to touch the View). See Cooling proper specification and of the dipstick handle. System 0 235. proper viscosity grade. See Selecting the Right Engine Oil 5. Brake Fluid Reservoir. See “ ” in this section. If a low oil Driver Information Center Brake Fluid 0 241. (DIC) message displays, check the . Check the engine oil level 6. Engine Air Cleaner/Filter 0 234. oil level. regularly and maintain the 7. Coolant Surge Tank and proper oil level. See “Checking Follow these guidelines: Pressure Cap. See Engine Engine Oil” and “When to Add . To get an accurate reading, park Coolant 0 235. Engine Oil” in this section. the vehicle on level ground. 8. Remote Positive (+) Battery . Change the engine oil at the Check the engine oil level after Terminal (Under Cover). See appropriate time. See Engine Oil the engine has been off for at Jump Starting - North Life System 0 232. least two hours. Checking the America 0 280. engine oil level on steep grades . Always dispose of engine oil or too soon after engine shutoff 9. Remote Negative (-) Battery properly. See “What to Do with can result in incorrect readings. Terminal. See Jump Starting - Used Oil” in this section. Accuracy improves when North America 0 280. Checking Engine Oil checking a cold engine prior to 10. Engine Compartment Fuse starting. Remove the dipstick Block 0 248. Check the engine oil level regularly and check the level. (every 650 km (400 mi), especially prior to a long trip. The engine oil Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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. If unable to wait two hours, the use. For engine oil crankcase Add enough oil to put the level engine must be off for at least capacity, see Capacities and somewhere in the proper operating 15 minutes if the engine is Specifications 0 309. range. Push the dipstick all the way warm, or at least 30 minutes if back in when through. the engine is not warm. Pull out Caution the dipstick, wipe it with a clean Selecting the Right Engine Oil paper towel or cloth, then push it Do not add too much oil. Oil Selecting the right engine oil back in all the way. Remove it levels above or below the depends on both the proper oil again, keeping the tip down, and acceptable operating range specification and viscosity grade. check the level. shown on the dipstick are harmful See Recommended Fluids and Lubricants 0 305. When to Add Engine Oil to the engine. If you find that you have an oil level above the Specification operating range, i.e., the engine has so much oil that the oil level Ask for and use engine oils that gets above the cross-hatched meet the dexos1™ specification. Engine oils that have been area that shows the proper approved by GM as meeting the operating range, the engine could dexos1 specification are marked be damaged. You should drain with the dexos1 approved logo. See out the excess oil or limit driving www.gmdexos.com. of the vehicle and seek a service professional to remove the If the oil is below the cross-hatched excess amount of oil. area at the tip of the dipstick and the engine has been off for at least See Engine Compartment Overview 15 minutes, add 1 L (1 qt) of the 0 229 for the location of the engine recommended oil and then recheck oil fill cap. the level. See “Selecting the Right Engine Oil” later in this section for an explanation of what kind of oil to Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Engine Oil Additives/Engine trash or pouring it on the ground, Caution Oil Flushes into sewers, or into streams or bodies of water. Recycle it by taking Failure to use the recommended Do not add anything to the oil. The it to a place that collects used oil. engine oil or equivalent can result recommended oils meeting the in engine damage not covered by dexos1 specification are all that is Engine Oil Life System the vehicle warranty. needed for good performance and engine protection. When to Change Engine Oil Viscosity Grade Engine oil system flushes are not This vehicle has a computer system recommended and could cause Use SAE 5W-30 viscosity grade that indicates when to change the engine damage not covered by the engine oil and filter. This is based engine oil. Cold Temperature vehicle warranty. Operation: In an area of extreme on a combination of factors which cold, where the temperature falls What to Do with Used Oil include engine revolutions, engine below −29 °C (−20 °F), an SAE temperature, and miles driven. Used engine oil contains certain 0W-30 oil may be used. An oil of Based on driving conditions, the elements that can be unhealthy for this viscosity grade will provide mileage at which an oil change is your skin and could even cause easier cold starting for the engine at indicated can vary considerably. For cancer. Do not let used oil stay on extremely low temperatures. When the oil life system to work properly, your skin for very long. Clean your selecting an oil of the appropriate the system must be reset every time skin and nails with soap and water, viscosity grade, it is recommended the oil is changed. or a good hand cleaner. Wash or to select an oil of the correct properly dispose of clothing or rags When the system has calculated specification. See Specification “ ” containing used engine oil. See the that oil life has been diminished, it earlier in this section. manufacturer's warnings about the indicates that an oil change is use and disposal of oil products. necessary. A CHANGE ENGINE OIL SOON message comes on. See Used oil can be a threat to the Engine Oil Messages 0 130. environment. If you change your Change the oil as soon as possible own oil, be sure to drain all the oil within the next 1 000 km (600 mi). from the filter before disposal. Never It is possible that, if driving under dispose of oil by putting it in the the best conditions, the oil life Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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system may indicate that an oil See Driver Information Center Automatic Transmission change is not necessary for up to a (DIC) 0 121. When remaining year. The engine oil and filter must oil life is low, the CHANGE Fluid be changed at least once a year ENGINE OIL SOON message How to Check Automatic and at this time the system must be will appear on the display. See Transmission Fluid reset. Your dealer has trained Engine Oil Messages 0 130. service people who will perform this V It is not necessary to check the work and reset the system. It is also 2. Press on the DIC controls transmission fluid level. important to check the oil regularly and hold down for a few A transmission fluid leak is the only over the course of an oil drain seconds to clear the CHANGE reason for fluid loss. If a leak interval and keep it at the proper ENGINE OIL SOON message occurs, take the vehicle to your level. and reset the oil life at 100%. dealer service department and have it repaired as soon as possible. If the system is ever reset Be careful not to reset the oil accidentally, the oil must be life display accidentally at any There is a special procedure for changed at 5 000 km (3,000 mi) time other than after the oil is checking and changing the since the last oil change. changed. It cannot be reset transmission fluid. Because this Remember to reset the oil life accurately until the next oil procedure is difficult, you should system whenever the oil is changed. change. have this done at your dealer service department. Contact your How to Reset the Engine Oil The system is reset when the CHANGE ENGINE OIL SOON dealer for additional information or Life System message is off. the procedure can be found in the Reset the system whenever the service manual. To purchase a If the CHANGE ENGINE OIL SOON service manual, see Service engine oil is changed so that the message comes back on when the system can calculate the next Publications Ordering vehicle is started, the engine oil life Information 0 320. engine oil change. To reset the system has not been reset. Repeat system: the procedure. Change the fluid at the intervals listed in Maintenance Schedule 1. Using the DIC controls on the 0 right side of the steering wheel, 296, and be sure to use the fluid listed in Recommended Fluids and display REMAINING OIL LIFE 0 on the DIC. Lubricants 305. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Engine Air Cleaner/Filter the engine air cleaner/filter or components with water or { Warning The engine air cleaner/filter is in the compressed air. engine compartment on the driver Operating the engine with the air side of the vehicle. See Engine To inspect or replace the engine air cleaner/filter off can cause you or Compartment Overview 0 229. cleaner/filter: others to be burned. The air cleaner not only cleans the air; it When to Inspect the Engine Air helps to stop flames if the engine Cleaner/Filter backfires. Use caution when For intervals on changing and working on the engine and do not inspecting the engine air cleaner/ drive with the air cleaner/filter off. filter, see Maintenance Schedule 0 296. How to Inspect the Engine Air Caution Cleaner/Filter If the air cleaner/filter is off, dirt Do not start the engine or have the can easily get into the engine, engine running with the engine air which could damage it. Always cleaner/filter housing open. Before removing the engine air cleaner/ 1. Remove the seven screws and have the air cleaner/filter in place filter, make sure that the engine air lift the cover out of the when you are driving. cleaner/filter housing and nearby assembly. components are free of dirt and 2. Inspect or replace the engine debris. Remove the engine air air cleaner/filter. cleaner/filter. Lightly tap and shake 3. Lower the cover and secure the engine air cleaner/filter (away with the seven screws. from the vehicle), to release loose dust and dirt. Inspect the engine air cleaner/filter for damage, and replace if damaged. Do not clean Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Cooling System Warning (Continued) Caution (Continued) The cooling system allows the engine to maintain the correct and can cause injury. Keep or radiator corrosion. In addition, working temperature. hands, clothing, and tools away the engine coolant could require from any underhood electric fan. changing sooner. Any repairs would not be covered by the vehicle warranty. Always use DEX-COOL (silicate-free) coolant { Warning in the vehicle. Heater and radiator hoses, and other engine parts, can be very Engine Coolant hot. Do not touch them. If you do, you can be burned. The coolant surge tank is located in the engine compartment on the Do not run the engine if there is a driver side of the vehicle. See leak. If you run the engine, it Engine Compartment could lose all coolant. That could Overview 0 229. cause an engine fire, and you 1. Engine Cooling Fans (Out The cooling system in the vehicle is of View) could be burned. Get any leak filled with DEX-COOL® engine 2. Coolant Surge Tank and fixed before you drive the vehicle. coolant. This coolant needs to be Pressure Cap checked and replaced at appropriate intervals. See 0 { Warning Caution Maintenance Schedule 296. The following explains the cooling An electric engine cooling fan Using coolant other than system and how to check and add ® under the hood can start up even DEX-COOL can cause coolant when it is low. If there is a when the engine is not running premature engine, heater core, problem with engine overheating, (Continued) (Continued) see Engine Overheating 0 238. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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What to Use . Gives boiling protection up to or bodies of water. Have the coolant 129 °C (265 °F), engine changed by an authorized service { Warning temperature. center, familiar with legal . Protects against rust and requirements regarding used Adding only plain water or some corrosion. coolant disposal. This will help other liquid to the cooling system protect the environment and your can be dangerous. Plain water . Will not damage aluminum parts. health. and other liquids, can boil before . Helps keep the proper engine Checking Coolant the proper coolant mixture will. temperature. The coolant warning system is set The vehicle must be on a level for the proper coolant mixture. Caution surface when checking the coolant level. With plain water or the wrong mixture, the engine could get too If improper coolant mixture, hot but you would not get the inhibitors, or additives are used in overheat warning. The engine the vehicle cooling system, the could catch fire and you or others engine could overheat and be could be burned. Use a 50/ damaged. Too much water in the 50 mixture of clean, drinkable mixture can freeze and crack water and DEX-COOL coolant. engine cooling parts. The repairs would not be covered by the vehicle warranty. Use only the Use a 50/50 mixture of clean, proper mixture of engine coolant drinkable water and DEX-COOL for the cooling system. See coolant. If using this mixture, Recommended Fluids and nothing else needs to be added. Lubricants 0 305. This mixture: Check to see if coolant is visible in . Gives freezing protection down the coolant surge tank. If the coolant to −37 °C (−34 °F), outside Never dispose of engine coolant by inside the coolant surge tank is temperature. putting it in the trash, pouring it on boiling, do not do anything else until the ground, or into sewers, streams, it cools down. If coolant is visible Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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but the coolant level is not at the and DEX-COOL coolant at the indicated level mark, wait until the coolant surge tank until the level Warning (Continued) system has fully cooled down, then reaches the indicated level mark. add a 50/50 mixture of clean, hot but you would not get the overheat warning. The engine drinkable water and DEX-COOL { Warning coolant at the coolant surge tank could catch fire and you or others until the level reaches the indicated Steam and scalding liquids from a could be burned. Use a 50/ level mark. See Engine hot cooling system can blow out 50 mixture of clean, drinkable Overheating 0 238. and burn you badly. Never turn water and DEX-COOL coolant. How to Add Coolant to the the cap when the cooling system, Coolant Surge Tank including the surge tank pressure cap, is hot. Wait for the cooling Caution system and surge tank pressure Caution cap to cool. In cold weather, water can freeze This vehicle has a specific and crack the engine, radiator, coolant fill procedure. Failure to heater core, and other parts. Use the recommended coolant and follow this procedure could cause { Warning the engine to overheat and be the proper coolant mixture. severely damaged. Adding only plain water or some other liquid to the cooling system Be sure the cooling system is cool, can be dangerous. Plain water { Warning including the coolant surge tank and and other liquids, can boil before pressure cap. Check to see if the proper coolant mixture will. You can be burned if you spill coolant is visible in the coolant The coolant warning system is set coolant on hot engine parts. surge tank. If coolant is visible but for the proper coolant mixture. Coolant contains ethylene glycol the coolant level is not at the With plain water or the wrong and it will burn if the engine parts indicated level mark, add a 50/ mixture, the engine could get too are hot enough. Do not spill 50 mixture of clean, drinkable water (Continued) coolant on a hot engine. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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1. Remove the coolant surge tank By this time, the coolant level Engine Overheating pressure cap when the cooling inside the coolant surge tank system, including the coolant may be lower. If the level is The vehicle has several indicators surge tank pressure cap and lower, add more of the proper to warn of the engine overheating. upper radiator hose, is no mixture to the coolant surge The instrument cluster has an longer hot. tank until the level reaches the engine coolant temperature gauge Turn the pressure cap slowly indicated level mark. and an engine coolant temperature counterclockwise about 5. Replace the pressure cap warning light. See Engine Coolant 0 one-quarter of a turn. If you tightly. Temperature Gauge 110 and hear a hiss, wait for that to Engine Coolant Temperature 6. Verify coolant level after the 0 stop. This will allow any Warning Light 118. The vehicle engine is shut off and the may also display a message on the pressure still left to be vented coolant is cold. If necessary, out the discharge hose. Driver Information Center (DIC). repeat coolant fill procedure See Engine Cooling System 2. Keep turning the pressure cap Steps 1–6. Messages 0 130. slowly and remove it. If the coolant still is not at the If the decision is made not to lift the 3. Fill the coolant surge tank with proper level when the system hood when this warning appears, the proper mixture to the cools down again, see your get service help right away. See indicated level mark. dealer. Roadside Assistance 4. With the coolant surge tank Program 0 315. pressure cap off, start the Caution If the decision is made to lift the engine and let it run until you hood, make sure the vehicle is can feel the upper radiator If the pressure cap is not tightly installed, coolant loss and parked on a level surface. Then hose getting hot. Watch out for check to see if the engine cooling possible engine damage may the engine cooling fan. fans are running. If the engine is occur. Be sure the cap is properly overheating, the fans should be and tightly secured. running. If they are not, do not continue to run the engine. Have the vehicle serviced. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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If the overheat warning is displayed If there is no sign of steam, idle the Caution with no sign of steam: engine for three minutes while 1. Turn the air conditioning off. parked. If the warning is still Running the engine without displayed, turn off the engine until it coolant may cause damage or a 2. Turn the heater on to the cools down. Also, see Overheated fire. Vehicle damage would not be highest temperature and to the Engine Protection Operating covered by the vehicle warranty. highest fan speed. Open the Mode 0 239. windows as necessary. If Steam Is Coming from the 3. When it is safe to do so, pull off Overheated Engine Engine Compartment the road, shift to P (Park) or Protection N (Neutral), and let the See Overheated Engine Protection engine idle. Operating Mode Operating Mode 0 239 for If the engine coolant temperature This emergency operating mode information on driving to a safe allows the vehicle to be driven to a place in an emergency. gauge is no longer in the overheated area or the engine safe place in an emergency If No Steam Is Coming from coolant temperature warning light no situation. If an overheated engine the Engine Compartment longer displays, the vehicle can be condition exists, an overheat protection mode which alternates If an engine overheat warning is driven. Continue to drive the vehicle slowly for about 10 minutes. Keep a firing groups of cylinders helps displayed but no steam can be seen prevent engine damage. In this or heard, the problem may not be safe distance from the vehicle in front. If the warning does not come mode, there is significant loss in too serious. Sometimes the engine power and engine performance. can get a little too hot when the back on, continue to drive normally vehicle: and have the cooling system The engine coolant temperature checked for proper fill and function. warning light comes on the . Climbs a long hill on a hot day. If the warning continues, pull over, instrument panel, to indicate the . Stops after high-speed driving. stop, and park the vehicle vehicle has entered overheated right away. engine protection operating mode. . Idles for long periods in traffic. The temperature gauge also indicates an overheat condition exists. Driving extended distances Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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and/or towing a trailer in the overheat protection mode should be Caution Caution (Continued) avoided. . Do not use washer fluid that freezing occurs, which could contains any type of water damage the tank if it is Washer Fluid repellent coating. This can completely full. What to Use cause the wiper blades to chatter or skip. When windshield washer fluid is Brakes needed, be sure to read the . Do not use engine coolant Disc brake pads have built-in wear manufacturer's instructions before (antifreeze) in the indicators that make a high-pitched use. If operating the vehicle in an windshield washer. It can warning sound when the brake pads area where the temperature may fall damage the windshield are worn and new pads are needed. below freezing, use a fluid that has washer system and paint. The sound can come and go or can sufficient protection against . Do not mix water with be heard all the time when the freezing. ready-to-use washer fluid. vehicle is moving, except when Water can cause the applying the brake pedal firmly. Adding Washer Fluid solution to freeze and damage the washer fluid tank and other parts of the { Warning washer system. The brake wear warning sound . When using concentrated means that soon the brakes will washer fluid, follow the not work well. That could lead to manufacturer instructions for a crash. When the brake wear adding water. Open the cap with the washer warning sound is heard, have the symbol on it. Add washer fluid until . Fill the washer fluid tank vehicle serviced. the tank is full. See Engine only three-quarters full when Compartment Overview 0 229 for it is very cold. This allows reservoir location. for fluid expansion if (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Replacing Brake System Parts Checking Brake Fluid Caution Always replace brake system parts With the vehicle in P (Park) on a Continuing to drive with worn-out with new, approved replacement level surface, the brake fluid level brake pads could result in costly parts. If this is not done, the brakes should be between the minimum brake repair. may not work properly. The braking and maximum marks on the brake performance expected can change fluid reservoir. in many other ways if the wrong There are only two reasons why the Some driving conditions or climates replacement brake parts are can cause a brake squeal when the brake fluid level in the reservoir may installed or if parts are improperly go down: brakes are first applied or lightly installed. applied. This does not mean . Normal brake lining wear. When something is wrong with the brakes. Brake Fluid new linings are installed, the Properly torqued wheel nuts are fluid level goes back up. necessary to help prevent brake . A fluid leak in the brake pulsation. When tires are rotated, hydraulic system. Have the inspect brake pads for wear and brake hydraulic system fixed. evenly tighten wheel nuts in the With a leak, the brakes will not proper sequence to torque work well. specifications. See Capacities and Always clean the brake fluid Specifications 0 309. The brake master cylinder reservoir reservoir cap and the area around Brake pads should be replaced as is filled with GM approved DOT 3 the cap before removing it. complete sets. brake fluid as indicated on the Do not top off the brake fluid. reservoir cap. See Engine Adding fluid does not correct a leak. Brake Pedal Travel Compartment Overview 0 229 for If fluid is added when the linings are the location of the reservoir. See your dealer if the brake pedal worn, there will be too much fluid does not return to normal height, when new brake linings are or if there is a rapid increase in installed. Add or remove fluid, as pedal travel. This could be a sign necessary, only when work is done that brake service may be required. on the brake hydraulic system. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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replacement number on the original { Warning { Warning battery label when a new standard 12-volt battery is needed. If too much brake fluid is added, it The wrong or contaminated brake can spill on the engine and burn, fluid could result in damage to the if the engine is hot enough. You brake system. This could result in { Warning or others could be burned, and the loss of braking leading to a WARNING: Battery posts, the vehicle could be damaged. possible injury. Always use the terminals, and related Add brake fluid only when work is proper GM approved brake fluid. accessories contain lead and lead done on the brake hydraulic compounds, chemicals known to system. the State of California to cause Caution cancer and birth defects or other When the brake fluid falls to a low reproductive harm. Batteries also level, the brake warning light comes If brake fluid is spilled on the contain other chemicals known to on. See Brake System Warning vehicle's painted surfaces, the the State of California to cause Light 0 115. paint finish can be damaged. cancer. WASH HANDS AFTER Brake fluid absorbs water over time Immediately wash off any painted HANDLING. which degrades the effectiveness of surface. See California Proposition the brake fluid. Replace brake fluid 65 Warning 0 226. at the specified intervals to prevent increased stopping distance. See Battery - North America Maintenance Schedule 0 296. The original equipment battery is Vehicle Storage maintenance free. Do not remove What to Add the cap and do not add fluid. { Warning Use only GM approved DOT 3 This vehicle has a standard 12-volt brake fluid from a clean, sealed Batteries have acid that can burn battery under the trim panel on the container. See Recommended you and gas that can explode. left side of the trunk. Refer to the Fluids and Lubricants 0 305. You can be badly hurt if you are (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Starter Switch Check Park Brake and P (Park) Warning (Continued) Mechanism Check not careful. See Jump Starting - { Warning North America 0 280 for tips on { Warning working around a battery without When you are doing this getting hurt. inspection, the vehicle could When you are doing this check, move suddenly. If the vehicle the vehicle could begin to move. moves, you or others could be You or others could be injured Infrequent Usage: Remove the injured. 12-volt battery black, negative (−) and property could be damaged. cable from the battery to keep the Make sure there is room in front battery from running down. 1. Before starting this check, be of the vehicle in case it begins to sure there is enough room roll. Be ready to apply the regular Extended Storage: Remove the around the vehicle. brake at once should the vehicle 12-volt battery black, negative (−) begin to move. cable from the battery or use a 2. Apply both the parking brake battery trickle charger. and the regular brake. Park on a fairly steep hill, with the Remember to reconnect the battery Do not use the accelerator vehicle facing downhill. Keeping when ready to drive the vehicle. pedal, and be ready to turn off the engine immediately if it your foot on the regular brake, set All-Wheel Drive starts. the parking brake. 3. Try to start the engine in each . To check the parking brake's Transfer Case gear. The vehicle should start holding ability: With the engine Under normal driving conditions, only in P (Park) or N (Neutral). running and the transmission in transfer case fluid does not require If the vehicle starts in any other N (Neutral), slowly remove foot maintenance unless there is a fluid position, contact your dealer for pressure from the regular brake leak or unusual noise. If required, service. pedal. Do this until the vehicle is have the transfer case serviced by held by the parking brake only. your dealer. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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. To check the P (Park) Driver Assistance Systems mechanism's holding ability: When a windshield replacement is With the engine running, shift to needed and the vehicle is equipped P (Park). Then release the with a front-looking camera sensor parking brake followed by the for the Driver Assistance Systems, regular brake. the windshield must be installed Contact your dealer if service is according to GM specifications for required. these systems to work properly. If it is not, there may be unexpected Wiper Blade Replacement behavior and/or messages from these systems. See Object Windshield wiper blades should be Detection System Messages 0 132. inspected for wear and cracking. 3. Press the button in the middle See the Maintenance of the wiper arm connector, Schedule 0 296. and pull the wiper blade away To replace the windshield wiper from the arm connector. blade: 4. Remove the wiper blade. 1. Pull the windshield wiper 5. Reverse Steps 1–3 for wiper assembly away from the blade replacement. windshield. Windshield Replacement HUD System The windshield is part of the HUD system. If the windshield must be replaced, get one that is designed for HUD or the HUD image may look out of focus. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Vehicle Care 245 Headlamp Aiming Bulb Replacement LED Lighting Headlamp aim has been preset and For any bulb-changing procedure This vehicle has several LED lamps. should need no further adjustment. not listed in this section, contact For replacement of any LED lighting assembly, contact your dealer. If the vehicle is damaged in a crash, your dealer. the headlamp aim may be affected. If adjustment to the headlamps is High Intensity Discharge Taillamps, Turn Signal, necessary, see your dealer. (HID) Lighting Stoplamps, and Back-Up Lamps { Warning

The High Intensity Discharge (HID) lighting system operates at a very high voltage. If you try to service any of the system components, you could be seriously injured. Have your dealer or a qualified technician service them.

After an HID headlamp bulb has been replaced, the beam might be a Driver Side Shown, Passenger slightly different shade than it was Side Similar originally. This is normal. 1. Stoplamp/Turn Signal 2. Back-Up Lamp Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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To replace one of these bulbs: License Plate Lamp 1. Open the trunk. See To replace one of these bulbs: Trunk 0 38. 2. Remove the fasteners to pull the trunk trim out. 3. Remove and retain the four nuts fastening the taillamp assembly to the vehicle body. 4. Remove the taillamp assembly by pulling straight back. 5. Remove the bulb socket by 2. Turn the bulb socket (1) turning it counterclockwise. counterclockwise to remove it 6. Remove the old bulb by pulling from the lamp assembly (3). it straight out. 1. Push the lamp assembly 3. Pull the bulb (2) out of the bulb 7. Reverse Steps 1–6 to install. toward the center of the socket. vehicle, then move the lamp 4. Push the replacement bulb downward, and remove it from straight into the bulb socket the vehicle body. and turn the bulb socket clockwise to install into the lamp assembly. 5. Push the lamp assembly back into position until the release tab locks into place. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Vehicle Care 247 Replacement Bulbs Electrical System Headlamp Wiring Lamp Bulb An electrical overload may cause Number Electrical System the lamps to go on and off, or in some cases to remain off. Have the Stoplamp/Rear Overload W21WLL headlamp wiring checked right away Turn Signal Lamp The vehicle has fuses and circuit if the lamps go on and off or Back-Up Lamp W16W breakers to protect against an remain off. electrical system overload. License W5WLL Windshield Wipers Plate Lamp 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 until the current load returns to wipers will stop until the motor cools normal or the problem is fixed. This and will then restart. greatly reduces the chance of circuit Although the circuit is protected overload and fire caused by from electrical overload, overload electrical problems. due to heavy snow or ice may Fuses and circuit breakers protect cause wiper linkage damage. power devices in the vehicle. Always clear ice and heavy snow from the windshield before using the Replace a bad fuse with a new one windshield wipers. of the identical size and rating. If the overload is caused by an 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. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Fuses and Circuit Engine Compartment Caution Breakers Fuse Block The wiring circuits in the vehicle are Spilling liquid on any electrical protected from short circuits by a component on the vehicle may combination of fuses and circuit damage it. Always keep the breakers. This greatly reduces the covers on any electrical chance of damage caused by component. electrical problems. To check a fuse, look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse. Be sure to replace a bad fuse with a new one of the identical size and rating. Fuses of the same amperage can To remove the fuse block cover, be temporarily borrowed from squeeze the three retaining clips on another fuse location, if a fuse goes the cover and lift it straight up. out. Replace the fuse as soon as possible. To identify and check fuses, circuit breakers, and relays, see Engine Compartment Fuse Block 0 248 and Instrument Panel Fuse Block 0 251. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Fuses Usage 12 Rear window defogger 13 Heated mirrors 14 – 15 Passive entry/ Passive start 16 Front wipers 17 Passenger power seat 18 ABS valve 19 Driver power seat 21 Sunroof 22 Right corner lamp The vehicle may not be equipped Fuses Usage 23 Auto headlamp with all of the fuses, relays, and leveling features shown. 7 Left corner lamp Fuses Usage 8 Power windows/ 24 – Rearview mirror/ 26 Transmission control 1 – Power seats module/Ignition 2 – 9 Engine boost 27 Instrument panel/ 3 ABS pump 10 Semi-active damping Ignition 5 AC DC inverter system 28 Electronic precision 6 Rear closure 11 DC DC Battery 1 shift/Ignition Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Fuses Usage Fuses Usage Fuses Usage 29 Rear vision camera/ 46 Engine control 63 – Ventilation module/Ignition 65 A/C HEV 30 Malfunction indicator 47 – 67 – lamp/Shift solenoid 48 Engine boost/Left 68 – 32 Canister vent cooling fan solenoid 69 Right HID low-beam 49 DC DC headlamps 33 Front heated seats battery 2/AWD 70 Left HID low-beam 34 Rear heated seat/ 50 – headlamps Vehicle body safety 51 – module/Energy 72 Starter pinion storage system fan 52 – 74 Starter motor 35 Fog lamps 53 – 75 Engine control 36 Fuel module 54 – module 38 – 55 – 76 Powertrain – off engine 39 – 56 – 77 – 40 Steering 57 Transmission columnn lock auxiliary pump 78 Horn 41 – 58 TRCM 79 Washer pump 43 Heated steering 59 High-beam 81 Transmission control wheel headlamps module/ Engine control module 44 Headlamp leveling/ 60 Cooling fan 82 Rear seat ventilation 61 – – 83 Ignition coils 45 – 62 – Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Fuses Usage Relays Usage Instrument Panel Fuse 84 Powertrain – on 25 Front wiper control Block engine 31 Run/Crank 85 Engine control 37 Front wiper speed module switch 2 42 Transmission 86 Engine control auxiliary pump module switch 1 64 A/C control 87 SAI reaction pump 66 Powertrain 88 Aeroshutter 71 HID low-beam 89 Headlamp washer headlamps 91 – 73 Starter motor 92 TPIM motor 80 Starter pinion generator unit pump 90 SAI reaction The instrument panel fuse block is 93 Headlamp leveling solenoid in the instrument panel, on the driver side of the vehicle. To operate 95 SAI reaction 94 Headlamp washer solenoid the fuses, open the fuse panel by 98 SAI reaction pump pulling down at the top. 96 Fuel heater Pull the panel toward you to release 97 – it from the hinges. 99 Coolant pump

Relays Usage 4 AC DC inverter 20 Rear defogger Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Fuses Usage F11 – F12 – F13 – F14 – F15 Transmission control module On/Off F16 Amplifier F17 – F18 Battery 7 F19 – F20 Battery 1 F21 Battery 4

The vehicle may not be equipped Fuses Usage F22 Battery 6 with all of the fuses, relays, and F23 Electric steering features shown. F6 Electric steering column column lock Fuses Usage F24 Sensing and F7 – F1 Left window diagnostic module F8 Battery 3 F2 Right window F25 Diagnostic link F9 Engine control F3 – module/Battery F26 – F4 HVAC blower F10 Body control F27 AC DC inverter F5 Battery 2 module 2 On/Off F28 – Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Fuses Usage Relays Usage Wheels and Tires F29 Body control K1 – Tires module 8 K2 Retained accessory F30 Overhead console power Every new GM vehicle has F31 Steering wheel K3 – high-quality tires made by a control leading tire manufacturer. See K4 – the warranty manual for F32 – K5 Logistics information regarding the tire F33 HVAC warranty and where to get F34 Center gateway service. For additional module information refer to the tire F35 Integrated chassis manufacturer. control module F36 Charger { Warning F37 Auxiliary power . Poorly maintained and outlet/Cigar lighter improperly used tires are F38 OnStar dangerous. F39 Monitor . Overloading the tires can F40 Object detection cause overheating as a result of too much F41 Body control flexing. There could be a module 1 On/Off blowout and a serious F42 Radio crash. See Vehicle Load F43 Circuit breaker 1 Limits 0 168. F44 Circuit breaker 2 (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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and weather conditions. Original Warning (Continued) Warning (Continued) equipment tires designed to GM's specific tire performance criteria . Underinflated tires pose . Replace any tires that have a TPC specification code the same danger as have been damaged by molded onto the sidewall. Original overloaded tires. The impacts with potholes, equipment all-season tires can be resulting crash could curbs, etc. identified by the last two characters of this TPC code, which will cause serious injury. . Improperly repaired tires be MS. Check all tires frequently can cause a crash. Only “ ” to maintain the the dealer or an Consider installing winter tires on recommended pressure. authorized tire service the vehicle if frequent driving on Tire pressure should be center should repair, snow or ice-covered roads is expected. All-season tires provide checked when the tires replace, dismount, and are cold. adequate performance for most mount the tires. winter driving conditions, but they . Overinflated tires are . Do not spin the tires in may not offer the same level of more likely to be cut, excess of 56 km/h traction or performance as winter punctured, or broken by (35 mph) on slippery tires on snow or ice-covered roads. See Winter Tires 0 254. a sudden impact — such surfaces such as snow, as when hitting a pothole. mud, ice, etc. Excessive Winter Tires Keep tires at the spinning may cause the recommended pressure. tires to explode. This vehicle was not originally . Worn or old tires can equipped with winter tires. Winter cause a crash. If the tires are designed for increased All-Season Tires traction on snow and ice-covered tread is badly worn, roads. Consider installing winter This vehicle may come with replace them. tires on the vehicle if frequent all-season tires. These tires are (Continued) driving on ice or snow covered designed to provide good overall roads is expected. See your dealer performance on most road surfaces Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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for details regarding winter tire Tire Sidewall Labeling (2) TPC Spec (Tire availability and proper tire selection. Performance Criteria 0 Useful information about a tire is Also, see Buying New Tires 268. Specification) : Original molded into its sidewall. The With winter tires, there may be equipment tires designed to decreased dry road traction, examples show a typical GM's specific tire performance increased road noise, and shorter passenger vehicle tire and a criteria have a TPC specification tread life. After changing to winter compact spare tire sidewall. code molded onto the sidewall. tires, be alert for changes in vehicle GM's TPC specifications meet or handling and braking. exceed all federal safety If using winter tires: guidelines. . Use tires of the same brand and (3) DOT (Department of tread type on all four wheel Transportation) : The positions. Department of Transportation . Use only radial ply tires of the (DOT) code indicates that the same size, load range, and tire is in compliance with the speed rating as the original U.S. Department of equipment tires. Transportation Motor Vehicle Winter tires with the same speed Safety Standards. rating as the original equipment tires Passenger (P-Metric) Tire Example DOT Tire Date of may not be available for H, V, W, Y, (1) Tire Size : The tire size is a and ZR speed rated tires. If winter Manufacture : The last four combination of letters and digits of the TIN indicate the tire tires with a lower speed rating are numbers used to define a chosen, never exceed the tire's manufactured date. The first two maximum speed capability. particular tire's width, height, digits represent the week (01– aspect ratio, construction type, 52) and the last two digits, the and service description. See the year. For example, the third “Tire Size” illustration later in this section. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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week of the year 2010 would (7) Maximum Cold Inflation road tire has lost air and gone have a four-digit DOT date Load Limit : Maximum load that flat. If the vehicle has a compact of 0310. can be carried and the spare tire, see Compact Spare maximum pressure needed to Tire 0 279 and If a Tire Goes (4) Tire Identification Number 0 (TIN) : The letters and numbers support that load. Flat 273. following the DOT (Department (3) Tire Identification Number of Transportation) code are the (TIN) : The letters and numbers Tire Identification Number (TIN). following the DOT (Department The TIN shows the of Transportation) code are the manufacturer and plant code, Tire Identification Number (TIN). tire size, and date the tire was The TIN shows the manufactured. The TIN is manufacturer and plant code, molded onto both sides of the tire size, and date the tire was tire, although only one side may manufactured. The TIN is have the date of manufacture. molded onto both sides of the (5) Tire Ply Material : The type tire, although only one side may of cord and number of plies in Compact Spare Tire Example have the date of manufacture. the sidewall and under the tread. (1) Tire Ply Material : The type (4) Maximum Cold Inflation (6) Uniform Tire Quality of cord and number of plies in Load Limit : Maximum load that Grading (UTQG) : Tire the sidewall and under the tread. can be carried and the maximum pressure needed to manufacturers are required to (2) Temporary Use Only : The support that load. grade tires based on three compact spare tire or temporary performance factors: treadwear, use tire should not be driven at (5) Tire Inflation : The traction, and temperature speeds over 80 km/h (50 mph). temporary use tire or compact resistance. For more information The compact spare tire is for spare tire should be inflated to see Uniform Tire Quality emergency use when a regular 420 kPa (60 psi). For more Grading 0 270. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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information on tire pressure and Tire Designations (3) Aspect Ratio : A two-digit inflation see Tire number that indicates the tire Pressure 0 260. Tire Size height-to-width measurements. (6) Tire Size : A combination of The following is an example of a For example, if the tire size letters and numbers define a typical passenger vehicle aspect ratio is 60, as shown in tire's width, height, aspect ratio, tire size. item 3 of the illustration, it would construction type, and service mean that the tire's sidewall is description. The letter T as the 60 percent as high as it is wide. first character in the tire size (4) Construction Code : A letter means the tire is for temporary code is used to indicate the type use only. of ply construction in the tire. (7) TPC Spec (Tire The letter R means radial ply Performance Criteria (1) Passenger (P-Metric) Tire : construction; the letter D means Specification) : Original The United States version of a diagonal or bias ply equipment tires designed to metric tire sizing system. The construction; and the letter B GM's specific tire performance letter P as the first character in means belted-bias ply criteria have a TPC specification the tire size means a passenger construction. code molded onto the sidewall. vehicle tire engineered to (5) Rim Diameter : Diameter of GM's TPC specifications meet or standards set by the U.S. Tire the wheel in inches. exceed all federal safety and Rim Association. (6) Service Description : These guidelines. (2) Tire Width : The three-digit characters represent the load number indicates the tire section index and speed rating of the width in millimeters from tire. The load index represents sidewall to sidewall. the load carrying capacity a tire is certified to carry. The speed rating is the maximum speed a tire is certified to carry a load. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Tire Terminology and Bead : The tire bead contains Department of Transportation Definitions steel wires wrapped by steel (DOT) Motor Vehicle Safety cords that hold the tire onto Standards. The DOT code Air Pressure : The amount of the rim. includes the Tire Identification air inside the tire pressing Bias Ply Tire : A pneumatic tire Number (TIN), an alphanumeric outward on each square inch of designator which can also the tire. Air pressure is in which the plies are laid at alternate angles less than identify the tire manufacturer, expressed in kPa (kilopascal) production plant, brand, and or psi (pounds per square inch). 90 degrees to the centerline of the tread. date of production. Accessory Weight : The GVWR : Gross Vehicle Weight combined weight of optional Cold Tire Pressure : The amount of air pressure in a tire, Rating. See Vehicle Load accessories. Some examples of Limits 0 168. optional accessories are measured in kPa (kilopascal) automatic transmission, power or psi (pounds per square inch) GAWR FRT : Gross Axle Weight before a tire has built up heat Rating for the front axle. See windows, power seats, and air 0 conditioning. from driving. See Tire Vehicle Load Limits 168. Pressure 0 260. Aspect Ratio : The relationship GAWR RR : Gross Axle Weight of a tire's height to its width. Curb Weight : The weight of a Rating for the rear axle. See motor vehicle with standard and Vehicle Load Limits 0 168. Belt : A rubber coated layer of optional equipment including the Intended Outboard Sidewall : cords between the plies and the maximum capacity of fuel, oil, tread. Cords may be made from The side of an asymmetrical tire and coolant, but without that must always face outward steel or other reinforcing passengers and cargo. materials. when mounted on a vehicle. DOT Markings : A code molded Kilopascal (kPa) : The metric into the sidewall of a tire unit for air pressure. signifying that the tire is in compliance with the U.S. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Light Truck (LT-Metric) Tire : A Normal Occupant Weight : The tire inflation pressure as shown tire used on light duty trucks and number of occupants a vehicle on the tire placard. See Tire some multipurpose passenger is designed to seat multiplied by Pressure 0 260 and Vehicle vehicles. 68 kg (150 lb). See Vehicle Load Load Limits 0 168. 0 Load Index : An assigned Limits 168. Radial Ply Tire : A pneumatic number ranging from 1 to 279 Occupant Distribution : tire in which the ply cords that that corresponds to the load Designated seating positions. extend to the beads are laid at carrying capacity of a tire. Outward Facing Sidewall : The 90 degrees to the centerline of Maximum Inflation Pressure : side of an asymmetrical tire that the tread. The maximum air pressure to has a particular side that faces Rim : A metal support for a tire which a cold tire can be inflated. outward when mounted on a and upon which the tire beads The maximum air pressure is vehicle. The side of the tire that are seated. molded onto the sidewall. contains a whitewall, bears Sidewall : The portion of a tire Maximum Load Rating : The white lettering, or bears between the tread and the bead. load rating for a tire at the manufacturer, brand, and/or model name molding that is Speed Rating : An maximum permissible inflation alphanumeric code assigned to pressure for that tire. higher or deeper than the same moldings on the other sidewall a tire indicating the maximum Maximum Loaded Vehicle of the tire. speed at which a tire can Weight : The sum of curb operate. weight, accessory weight, Passenger (P-Metric) Tire : A tire used on passenger cars and Traction : The friction between vehicle capacity weight, and the tire and the road surface. production options weight. some light duty trucks and multipurpose vehicles. The amount of grip provided. Recommended Inflation Tread : The portion of a tire that Pressure : Vehicle comes into contact with manufacturer's recommended the road. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Treadwear Indicators : Narrow Vehicle Maximum Load on the bands, sometimes called wear Tire : Load on an individual tire Caution bars, that show across the tread due to curb weight, accessory Neither tire underinflation nor of a tire when only 1.6 mm (1/ weight, occupant weight, and overinflation is good. 16 in) of tread remains. See cargo weight. Underinflated tires, or tires When It Is Time for New that do not have enough air, 0 Vehicle Placard : A label Tires 267. permanently attached to a can result in: UTQGS (Uniform Tire Quality vehicle showing the vehicle . Tire overloading and Grading Standards) : A tire capacity weight and the original overheating which could information system that provides equipment tire size and lead to a blowout. consumers with ratings for a recommended inflation pressure. tire's traction, temperature, and See “Tire and Loading . Premature or treadwear. Ratings are Information Label” under Vehicle irregular wear. determined by tire Load Limits 0 168. . Poor handling. manufacturers using government testing procedures. Tire Pressure . Reduced fuel economy. Overinflated tires, or tires that The ratings are molded into the Tires need the correct amount of have too much air, can sidewall of the tire. See Uniform air pressure to operate 0 result in: Tire Quality Grading 270. effectively. Vehicle Capacity Weight : The . Unusual wear. number of designated seating . Poor handling. positions multiplied by 68 kg (150 lb) plus the rated . Rough ride. cargo load. See Vehicle Load . Needless damage from Limits 0 168. road hazards. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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The Tire and Loading How to Check Put the valve caps back on the Information label on the vehicle Use a good quality pocket-type valve stems to keep out dirt and indicates the original equipment gauge to check tire pressure. moisture and prevent leaks. Use tires and the correct cold tire Proper tire inflation cannot be only valve caps designed for the inflation pressures. The determined by looking at the tire. vehicle by GM. TPMS sensors recommended pressure is the Check the tire inflation pressure could be damaged and would minimum air pressure needed to when the tires are cold, meaning not be covered by the vehicle support the vehicle's maximum the vehicle has not been driven warranty. load carrying capacity. See 0 for at least three hours or no Vehicle Load Limits 168. more than 1.6 km (1 mi). Tire Pressure for High-Speed Operation How the vehicle is loaded Remove the valve cap from the affects vehicle handling and ride tire valve stem. Press the tire { Warning comfort. Never load the vehicle gauge firmly onto the valve to with more weight than it was get a pressure measurement. designed to carry. Driving at high speeds, 160 km/h If the cold tire inflation pressure (100 mph) or higher, puts When to Check matches the recommended additional strain on tires. pressure on the Tire and Check the tires once a month or Sustained high-speed driving Loading Information label, no causes excessive heat buildup more. Do not forget the compact further adjustment is necessary. and can cause sudden tire failure. spare, if the vehicle has one. If the inflation pressure is low, This could cause a crash, and The cold compact spare tire add air until the recommended you or others could be killed. pressure should be at 420 kPa pressure is reached. If the Some high-speed rated tires (60 psi). See Compact Spare inflation pressure is high, press require inflation pressure Tire 0 279. on the metal stem in the center adjustment for high-speed of the tire valve to release air. operation. When speed limits and road conditions allow the vehicle Recheck the tire pressure with (Continued) the tire gauge. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Tire Pressure Monitor Accordingly, when the low tire Warning (Continued) pressure telltale illuminates, you System should stop and check your tires as to be driven at high speeds, make The Tire Pressure Monitor System soon as possible, and inflate them sure the tires are rated for (TPMS) uses radio and sensor to the proper pressure. Driving on a high-speed operation, are in technology to check tire pressure significantly under-inflated tire excellent condition, and are set to levels. The TPMS sensors monitor causes the tire to overheat and can the correct cold tire inflation the air pressure in your tires and lead to tire failure. Under-inflation pressure for the vehicle load. transmit tire pressure readings to a also reduces fuel efficiency and tire receiver located in the vehicle. tread life, and may affect the vehicle's handling and stopping Vehicles with 235/50R18 size tires Each tire, including the spare (if ability. require inflation pressure adjustment provided), should be checked when driving the vehicle at speeds monthly when cold and inflated to Please note that the TPMS is not a of 160 km/h (100 mph) or higher. the inflation pressure recommended substitute for proper tire Set the cold inflation pressure to by the vehicle manufacturer on the maintenance, and it is the driver's 240 kPa (35 psi). vehicle placard or tire inflation responsibility to maintain correct tire Vehicles with P245/40R20 size tires pressure label. (If your vehicle has pressure, even if under-inflation has require inflation pressure adjustment tires of a different size than the size not reached the level to trigger when driving the vehicle at speeds indicated on the vehicle placard or illumination of the TPMS low tire of 160 km/h (100 mph) or higher. tire inflation pressure label, you pressure telltale. Set the cold inflation pressure to should determine the proper tire Your vehicle has also been 260 kPa (38 psi). inflation pressure for those tires.) equipped with a TPMS malfunction Return the tires to the As an added safety feature, your indicator to indicate when the recommended cold tire inflation vehicle has been equipped with a system is not operating properly. pressure when high-speed driving tire pressure monitoring system The TPMS malfunction indicator is has ended. See Vehicle Load Limits (TPMS) that illuminates a low tire combined with the low tire pressure 0 168 and Tire Pressure 0 260. pressure telltale when one or more telltale. When the system detects a of your tires is significantly malfunction, the telltale will flash for under-inflated. approximately one minute and then remain continuously illuminated. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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This sequence will continue upon Tire Pressure Monitor shown on the Tire and Loading subsequent vehicle start-ups as Information label. See Vehicle Load long as the malfunction exists. Operation Limits 0 168. When the malfunction indicator is This vehicle may have a Tire A message to check the pressure in illuminated, the system may not be Pressure Monitor System (TPMS). a specific tire displays in the Driver able to detect or signal low tire The TPMS is designed to warn the Information Center (DIC). The low pressure as intended. TPMS driver when a low tire pressure tire pressure warning light and the malfunctions may occur for a variety condition exists. TPMS sensors are DIC warning message come on at of reasons, including the installation mounted onto each tire and wheel each ignition cycle until the tires are of replacement or alternate tires or assembly, excluding the spare tire inflated to the correct inflation wheels on the vehicle that prevent and wheel assembly. The TPMS pressure. Using the DIC, tire the TPMS from functioning properly. sensors monitor the air pressure in pressure levels can be viewed. For Always check the TPMS malfunction the tires and transmits the tire additional information and details telltale after replacing one or more pressure readings to a receiver about the DIC operation and tires or wheels on your vehicle to located in the vehicle. displays see Driver Information ensure that the replacement or Center (DIC) 0 121. alternate tires and wheels allow the The low tire pressure warning light TPMS to continue to function may come on in cool weather when properly. the vehicle is first started, and then See Tire Pressure Monitor turn off as the vehicle is driven. This Operation 0 263. could be an early indicator that the air pressure is getting low and See Radio Frequency When a low tire pressure condition Statement 0 321. needs to be inflated to the proper is detected, the TPMS illuminates pressure. the low tire pressure warning light located on the instrument cluster. A Tire and Loading Information If the warning light comes on, stop label, attached to your vehicle, as soon as possible and inflate the shows the size of the original tires to the recommended pressure equipment tires and the correct inflation pressure for the tires when Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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they are cold. See Vehicle Load TPMS Malfunction Light and . The TPMS sensor matching Limits 0 168, for an example of the Message process was not done or not Tire and Loading Information label completed successfully after and its location. Also see Tire The TPMS will not function properly rotating the tires. The Pressure 0 260. if one or more of the TPMS sensors malfunction light and the DIC are missing or inoperable. When the message should go off after The TPMS can warn about a low system detects a malfunction, the tire pressure condition but it does successfully completing the low tire warning light flashes for sensor matching process. See not replace normal tire about one minute and then stays on maintenance. See Tire Inspection "TPMS Sensor Matching for the remainder of the ignition Process" later in this section. 0 266, Tire Rotation 0 266 and cycle. A DIC warning message also Tires 0 253. displays. The malfunction light and . One or more TPMS sensors are DIC warning message come on at missing or damaged. The Caution each ignition cycle until the problem malfunction light and the DIC is corrected. Some of the conditions message should go off when the Tire sealant materials are not all that can cause these to come TPMS sensors are installed and the same. A non-approved tire on are: the sensor matching process is sealant could damage the TPMS performed successfully. See . One of the road tires has been your dealer for service. sensors. TPMS sensor damage replaced with the spare tire. The caused by using an incorrect tire spare tire does not have a . Replacement tires or wheels do sealant is not covered by the TPMS sensor. The malfunction not match the original equipment vehicle warranty. Always use only light and DIC message should tires or wheels. Tires and wheels the GM approved tire sealant go off after the road tire is other than those recommended available through your dealer or replaced and the sensor could prevent the TPMS from included in the vehicle. matching process is performed functioning properly. See Buying 0 successfully. See “TPMS Sensor New Tires 268. Matching Process” later in this section. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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. Operating electronic devices or passenger side front tire, passenger 4. Use the DIC controls on the being near facilities using radio side rear tire, and driver side rear. right side of the steering wheel wave frequencies similar to the See your dealer for service or to to scroll to the Tire Pressure TPMS could cause the TPMS purchase a relearn tool. A TPMS screen under the DIC sensors to malfunction. relearn tool can also be purchased. info page. If the TPMS is not functioning See Tire Pressure Monitor Sensor V Activation Tool at 5. Press and hold in the center properly it cannot detect or signal a of the DIC controls. low tire condition. See your dealer www.gmtoolsandequipment.com or for service if the TPMS malfunction call 1-800-GM TOOLS The horn sounds twice to light and DIC message comes on (1-800-468-6657). signal the receiver is in relearn and stays on. There are two minutes to match the mode and the TIRE first tire/wheel position, and LEARNING ACTIVE message TPMS Sensor Matching five minutes overall to match all four displays on the DIC screen. Process tire/wheel positions. If it takes 6. Start with the driver side Each TPMS sensor has a unique longer, the matching process stops front tire. and must be restarted. identification code. The identification 7. Place the relearn tool against code needs to be matched to a new The TPMS sensor matching the tire sidewall, near the valve tire/wheel position after rotating the process is: stem. Then press the button to vehicle’s tires or replacing one or 1. Set the parking brake. activate the TPMS sensor. more of the TPMS sensors. The A horn chirp confirms that the TPMS sensor matching process 2. Place the vehicle in ON/RUN/ sensor identification code has should also be performed after START. See Ignition been matched to this tire and 0 replacing a spare tire with a road Positions 172. wheel position. tire containing the TPMS sensor. 3. Make sure the Tire Pressure The malfunction light and the DIC 8. Proceed to the passenger side info page option is turned on. message should go off at the next front tire, and repeat the The info pages on the DIC can ignition cycle. The sensors are procedure in Step 7. be turned on and off through matched to the tire/wheel positions, the Settings menu. See Driver 9. Proceed to the passenger side using a TPMS relearn tool, in the Information Center (DIC) 0 121. rear tire, and repeat the following order: driver side front tire, procedure in Step 7. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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10. Proceed to the driver side rear . There is cord or fabric Anytime unusual wear is tire, and repeat the procedure showing through the tire's noticed, rotate the tires as soon in Step 7. The horn sounds two rubber. as possible, check for proper tire times to indicate the sensor . The tread or sidewall is inflation pressure, and check for identification code has been damaged tires or wheels. If the matched to the driver side rear cracked, cut, or snagged tire, and the TPMS sensor deep enough to show cord or unusual wear continues after the matching process is no longer fabric. rotation, check the wheel active. The TIRE LEARNING alignment. See When It Is Time ACTIVE message on the DIC . The tire has a bump, bulge, for New Tires 0 267 and Wheel display screen goes off. or split. Replacement 0 271. 11. Turn the ignition off. . The tire has a puncture, cut, 12. Set all four tires to the or other damage that cannot recommended air pressure be repaired well because of level as indicated on the Tire the size or location of the and Loading Information label. damage. Tire Inspection Tire Rotation We recommend that the tires, Tires should be rotated every including the spare tire, if the 12 000 km (7,500 mi). See vehicle has one, be inspected Maintenance Schedule 0 296. for signs of wear or damage at Tires are rotated to achieve a least once a month. more uniform wear for all tires. Use this rotation pattern when Replace the tire if: The first rotation is the most rotating the tires. important. . The indicators at three or Do not include the compact more places around the tire spare tire in the tire rotation. can be seen. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Adjust the front and rear tires to the recommended inflation Warning (Continued) pressure on the Tire and towel can be used; however, use Loading Information label after a scraper or wire brush later to the tires have been rotated. See remove all rust or dirt. Tire Pressure 0 260 and Vehicle Load Limits 0 168. Lightly coat the center of the Reset the Tire Pressure Monitor wheel hub with wheel bearing System. See Tire Pressure grease after a wheel change or Monitor Operation 0 263. tire rotation to prevent corrosion Check that all wheel nuts are or rust build-up. Do not get properly tightened. See Wheel grease on the flat wheel Treadwear indicators are one way to “ tell when it is time for new tires. Nut Torque” under Capacities mounting surface or on the 0 wheel nuts or bolts. Treadwear indicators appear when and Specifications 309. the tires have only 1.6 mm (1/16 in) or less of tread remaining. See Tire { Warning When It Is Time for New Inspection 0 266 and Tire Tires Rotation 0 266. Rust or dirt on a wheel, or on the parts to which it is fastened, can Factors such as maintenance, The rubber in tires ages over time. temperatures, driving speeds, make wheel nuts become loose This also applies to the spare tire, vehicle loading, and road conditions if the vehicle has one, even if it is after time. The wheel could come affect the wear rate of the tires. never used. Multiple factors off and cause an accident. When including temperatures, loading changing a wheel, remove any conditions, and inflation pressure rust or dirt from places where the maintenance affect how fast aging wheel attaches to the vehicle. In takes place. GM recommends that an emergency, a cloth or a paper tires, including the spare if (Continued) equipped, be replaced after six years, regardless of tread wear. The Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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tire manufacture date is the last four Buying New Tires will be followed by MS for mud digits of the DOT Tire Identification and snow. See Tire Sidewall Number (TIN) which is molded into GM has developed and matched Labeling 0 255. one side of the tire sidewall. The specific tires for the vehicle. The first two digits represent the week original equipment tires installed GM recommends replacing worn (01–52) and the last two digits, the were designed to meet General tires in complete sets of four. year. For example, the third week of Motors Tire Performance Criteria Uniform tread depth on all tires the year 2010 would have a Specification (TPC Spec) will help to maintain the four-digit DOT date of 0310. system rating. When performance of the vehicle. Vehicle Storage replacement tires are needed, Braking and handling GM strongly recommends performance may be adversely Tires age when stored normally buying tires with the same TPC affected if all the tires are not mounted on a parked vehicle. Park replaced at the same time. a vehicle that will be stored for at Spec rating. If proper rotation and least a month in a cool, dry, clean GM's exclusive TPC Spec area away from direct sunlight to maintenance have been done, system considers over a dozen all four tires should wear out at slow aging. This area should be free critical specifications that impact of grease, gasoline, or other about the same time. See Tire the overall performance of the substances that can deteriorate Rotation 0 266. However, if it is rubber. vehicle, including brake system necessary to replace only one performance, ride and handling, Parking for an extended period can axle set of worn tires, place the traction control, and tire new tires on the rear axle. cause flat spots on the tires that pressure monitoring may result in vibrations while performance. GM's TPC Spec Winter tires with the same speed driving. When storing a vehicle for rating as the original equipment at least a month, remove the tires or number is molded onto the tire's raise the vehicle to reduce the sidewall near the tire size. If the tires may not be available for H, weight from the tires. tires have an all-season tread V, W, Y and ZR speed rated design, the TPC Spec number tires. Never exceed the winter Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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tires’ maximum speed capability The Tire and Loading when using winter tires with a { Warning Information label indicates the lower speed rating. Using bias-ply tires on the original equipment tires on the vehicle may cause the wheel vehicle. See Vehicle Load 0 { Warning rim flanges to develop cracks Limits 168. Tires could explode during after many miles of driving. A tire and/or wheel could fail Different Size Tires and improper service. Attempting Wheels to mount or dismount a tire suddenly and cause a crash. could cause injury or death. Use only radial-ply tires with If wheels or tires are installed that Only your dealer or authorized the wheels on the vehicle. are a different size than the original tire service center should equipment wheels and tires, vehicle If the vehicle tires must be performance, including its braking, mount or dismount the tires. 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, { Warning electronic systems such as antilock load range, speed rating, and brakes, rollover airbags, roll bars, Mixing tires of different sizes, construction (radial) as the traction control, electronic stability brands, or types may cause original tires. control, or All-Wheel Drive, the loss of control of the vehicle, performance of these systems can Vehicles that have a tire also be affected. resulting in a crash or other pressure monitoring system vehicle damage. Use the could give an inaccurate { Warning correct size, brand, and type low-pressure warning if non-TPC of tires on all wheels. Spec rated tires are installed. If different sized wheels are used, See Tire Pressure Monitor there may not be an acceptable System 0 262. level of performance and safety if (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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most passenger car tires. The Treadwear 200 Traction AA Warning (Continued) Uniform Tire Quality Grading Temperature A tires not recommended for those (UTQG) system does not apply All Passenger Car Tires Must wheels are selected. This to deep tread, winter tires, Conform to Federal Safety increases the chance of a crash compact spare tires, tires with Requirements In Addition To and serious injury. Only use GM nominal rim diameters of These Grades. specific wheel and tire systems 10 to 12 inches (25 to 30 cm), developed for the vehicle, and or to some limited-production Treadwear have them properly installed by a tires. The treadwear grade is a GM certified technician. While the tires available on comparative rating based on the General Motors passenger cars wear rate of the tire when tested See Buying New Tires 0 268 and and light trucks may vary with under controlled conditions on a Accessories and respect to these grades, they specified government test 0 Modifications 226. must also conform to federal course. For example, a tire safety requirements and graded 150 would wear one and Uniform Tire Quality additional General Motors Tire one-half (1½) times as well on Grading Performance Criteria (TPC) the government course as a tire standards. graded 100. The relative The following information relates performance of tires depends to the system developed by the Quality grades can be found upon the actual conditions of United States National Highway where applicable on the tire their use, however, and may Traffic Safety Administration sidewall between tread shoulder depart significantly from the (NHTSA), which grades tires by and maximum section width. For norm due to variations in driving treadwear, traction, and example: habits, service practices and temperature performance. This differences in road applies only to vehicles sold in characteristics and climate. the United States. The grades are molded on the sidewalls of Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Traction laboratory test wheel. Sustained Wheel Alignment and Tire The traction grades, from high temperature can cause the Balance highest to lowest, are AA, A, B, material of the tire to degenerate and reduce tire life, and The tires and wheels were aligned and C. Those grades represent and balanced at the factory to the tire's ability to stop on wet excessive temperature can lead to sudden tire failure. The grade provide the longest tire life and best pavement as measured under overall performance. Adjustments to controlled conditions on C corresponds to a level of wheel alignment and tire balancing specified government test performance which all are not necessary on a regular surfaces of asphalt and passenger car tires must meet basis. Consider an alignment check concrete. A tire marked C may under the Federal Motor Safety if there is unusual tire wear or the have poor traction performance. Standard No. 109. Grades B and vehicle is significantly pulling to one A represent higher levels of side or the other. Some slight pull to Warning: The traction grade the left or right, depending on the assigned to this tire is based on performance on the laboratory test wheel than the minimum crown of the road and/or other road straight-ahead braking traction surface variations such as troughs tests, and does not include required by law. Warning: The temperature grade for this tire is or ruts, is normal. If the vehicle is acceleration, cornering, vibrating when driving on a smooth hydroplaning, or peak traction established for a tire that is road, the tires and wheels may need characteristics. properly inflated and not to be rebalanced. See your dealer overloaded. Excessive speed, for proper diagnosis. Temperature underinflation, or excessive The temperature grades are A loading, either separately or in Wheel Replacement combination, can cause heat (the highest), B, and C, Replace any wheel that is bent, representing the tire's resistance buildup and possible tire failure. cracked, or badly rusted or to the generation of heat and its corroded. If wheel nuts keep coming ability to dissipate heat when loose, the wheel, wheel bolts, and tested under controlled wheel nuts should be replaced. conditions on a specified indoor If the wheel leaks air, replace it. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Some aluminum wheels can be Tire Chains repaired. See your dealer if any of Caution these conditions exist. The wrong wheel can also cause { Warning Your dealer will know the kind of problems with bearing life, brake wheel that is needed. cooling, speedometer or Do not use tire chains. There is Each new wheel should have the odometer calibration, headlamp not enough clearance. Tire chains same load-carrying capacity, aim, bumper height, vehicle used on a vehicle without the diameter, width, offset, and be ground clearance, and tire or tire proper amount of clearance can mounted the same way as the one it chain clearance to the body and cause damage to the brakes, replaces. chassis. suspension, or other vehicle parts. The area damaged by the Replace wheels, wheel bolts, wheel tire chains could cause loss of nuts, or Tire Pressure Monitor Used Replacement Wheels control and a crash. System (TPMS) sensors with new GM original equipment parts. Use another type of traction { Warning device only if its manufacturer { Warning Replacing a wheel with a used recommends it for the vehicle's one is dangerous. How it has tire size combination and road Using the wrong replacement been used or how far it has been conditions. Follow that wheels, wheel bolts, or wheel driven may be unknown. It could manufacturer's instructions. To nuts can be dangerous. It could fail suddenly and cause a crash. avoid vehicle damage, drive slow affect the braking and handling of When replacing wheels, use a and readjust or remove the the vehicle. Tires can lose air, new GM original equipment traction device if it contacts the and cause loss of control, causing wheel. vehicle. Do not spin the wheels. a crash. Always use the correct If traction devices are used, install wheel, wheel bolts, and wheel them on the front tires. nuts for replacement. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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If a Tire Goes Flat { Warning Warning (Continued) It is unusual for a tire to blow out while driving, especially if the tires Driving on a flat tire will cause be badly injured or killed if the are maintained properly. See Tires permanent damage to the tire. vehicle slips off the jack. If a jack 0 253. If air goes out of a tire, it is Re-inflating a tire after it has been is provided with the vehicle, only much more likely to leak out slowly. driven on while severely use it for changing a flat tire. But if there ever is a blowout, here underinflated or flat may cause a are a few tips about what to expect blowout and a serious crash. If a tire goes flat, avoid further tire and what to do: Never attempt to re-inflate a tire and wheel damage by driving slowly If a front tire fails, the flat tire that has been driven on while to a level place, well off the road, creates a drag that pulls the vehicle severely underinflated or flat. if possible. Turn on the hazard toward that side. Take your foot off Have your dealer or an authorized warning flashers. See Hazard the accelerator pedal and grip the tire service center repair or Warning Flashers 0 149. steering wheel firmly. Steer to replace the flat tire as soon as maintain lane position, and then possible. { Warning gently brake to a stop, well off the road, if possible. Changing a tire can be dangerous. The vehicle can slip A rear blowout, particularly on a { Warning curve, acts much like a skid and off the jack and roll over or fall may require the same correction as Lifting a vehicle and getting under causing injury or death. Find a used in a skid. Stop pressing the it to do maintenance or repairs is level place to change the tire. To accelerator pedal and steer to dangerous without the help prevent the vehicle from straighten the vehicle. It may be appropriate safety equipment and moving: very bumpy and noisy. Gently brake training. If a jack is provided with 1. Set the parking brake firmly. to a stop, well off the road, the vehicle, it is designed only for if possible. (Continued) changing a flat tire. If it is used for anything else, you or others could (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Tire Changing Warning (Continued) Removing the Spare Tire and 2. Put an automatic Tools transmission in P (Park) or a manual transmission in 1 (First) or R (Reverse). 3. Turn off the engine and do not restart while the vehicle is raised. 1. Wheel Block (If Equipped) 4. Do not allow passengers to 2. Flat Tire remain in the vehicle. The following information explains 5. Place wheel blocks, how to repair or change a tire. if equipped, on both sides of the tire at the opposite corner of the tire being changed. 1. Tow Hook (If Equipped) When the vehicle has a flat tire (2), 2. Extension Bolt use the following example as a 3. Jack guide to assist in the placement of 4. Wrench the wheel blocks (1), if equipped. To access the spare tire and tools: 1. Open the trunk. 2. Remove the spare tire cover. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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3. Turn the retainer nut 1. Do a safety check before 4. Turn the wheel wrench counterclockwise and remove proceeding. See If a Tire Goes counterclockwise to loosen all the spare tire. Place the spare Flat 0 273. the wheel nuts, but do not tire next to the tire being 2. Turn the wheel wrench remove them yet. changed. counterclockwise to loosen and 5. Place the jack near the flat tire. 4. The jack and tools are stored remove the wheel nut caps. 6. Put the compact spare tire below the spare tire. Remove Do not try to remove plastic near you. them from their container and caps from the cover or place them near the tire being center cap. changed. { Warning 3. Pull the cover or center cap Removing the Flat Tire and away from the wheel. Store the Getting under a vehicle when it is Installing the Spare Tire wheel cover in the cargo area lifted on a jack is dangerous. until you have the flat tire If the vehicle slips off the jack, repaired or replaced. you could be badly injured or killed. Never get under a vehicle when it is supported only by a jack.

{ Warning

Raising the vehicle with the jack improperly positioned can damage the vehicle and even make the vehicle fall. To help Take off the wheel cover or center avoid personal injury and vehicle cap, if the vehicle has one, to reach (Continued) the wheel bolts. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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The notches in the jack must Warning (Continued) Caution align with the notch in the rocker pinch weld. The jack lift damage, be sure to fit the jack lift Make sure that the jack lift head head lifts on the inward side of head into the proper location is in the correct position or you the pinch weld flange. before raising the vehicle. may damage your vehicle. The repairs would not be covered by The jack must not be used in your warranty. any other position. { Warning

Lifting a vehicle and getting under it to do maintenance or repairs is dangerous without the appropriate safety equipment and training. If a jack is provided with 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 10. Raise the vehicle by turning the use it for changing a flat tire. 9. Position the jack lift head at the jack handle clockwise. Raise jack location nearest the flat the vehicle far enough off the 7. Attach the wrench to the jack tire. The location is indicated ground so there is enough room for the road tire to clear by fitting the hex end of the by a notch in the vertical wrench over the hex head of bottom edge of the body side the ground. the jack. sheet metal. 8. Place the jack under the vehicle. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Warning (Continued) { Warning

towel can be used; however, use Never use oil or grease on bolts a scraper or wire brush later to or nuts because the nuts might remove all rust or dirt. come loose. The vehicle's wheel could fall off, causing a crash.

15. Reinstall the wheel nuts. Tighten each nut by hand until the wheel is held against the hub. 11. Remove all of the wheel nuts. 16. Lower the vehicle by turning 12. Remove the flat tire. the jack handle counterclockwise. { Warning { Warning Rust or dirt on a wheel, or on the parts to which it is fastened, can Wheel nuts that are improperly or incorrectly tightened can cause make wheel nuts become loose 13. Remove any rust or dirt from the wheels to become loose or after time. The wheel could come the wheel bolts, mounting come off. The wheel nuts should off and cause an accident. When surfaces, and spare wheel. changing a wheel, remove any be tightened with a torque wrench 14. Place the compact spare tire to the proper torque specification rust or dirt from places where the on the wheel-mounting surface. wheel attaches to the vehicle. In after replacing. Follow the torque an emergency, a cloth or a paper specification supplied by the aftermarket manufacturer when (Continued) using accessory locking wheel (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Warning (Continued) Caution

nuts. See Capacities and Wheel covers will not fit on the Specifications 0 309 for original vehicle's compact spare. If you try equipment wheel nut torque to put a wheel cover on the specifications. compact spare, the cover or the spare could be damaged.

Caution Storing a Flat or Spare Tire and Tools Improperly tightened wheel nuts can lead to brake pulsation and 17. Tighten the wheel nuts firmly in { Warning rotor damage. To avoid expensive a crisscross sequence, as brake repairs, evenly tighten the shown. Storing a jack, a tire, or other wheel nuts in the proper 18. Lower the jack all the way and equipment in the passenger sequence and to the proper remove the jack from under the compartment of the vehicle could torque specification. See vehicle. cause injury. In a sudden stop or Capacities and Specifications collision, loose equipment could 0 309 for the wheel nut torque 19. Tighten the wheel nuts firmly strike someone. Store all these in with the wheel wrench. specification. the proper place. When reinstalling the wheel cover or center cap on the full-size tire, Storing a Flat or Spare Tire and tighten all five plastic caps hand Tools with a Screw in Fastener snug, then tighten them with the wheel wrench an additional 1. Remove the extension bolt one-quarter turn. from the foam holder. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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The compact spare is for temporary with the spare tire installed and it is use only. Replace the compact recommended that the vehicle spare tire with a full-size tire as speed be limited to 80 km/h soon as you can. (50 mph). To conserve the tread of the spare tire, have the standard tire Compact Spare Tire repaired or replaced as soon as convenient and return the spare tire { Warning to the storage area. When using a compact spare tire, Driving with more than one the AWD (if equipped), ABS, and compact spare tire at a time could Traction Control systems may result in loss of braking and engage until the spare tire is 2. Screw the extension bolt onto handling. This could lead to a recognized by the vehicle, the end of the spare tire stow crash and you or others could be especially on slippery roads. Adjust bolt by hand. injured. Use only one compact driving to reduce possible wheel slip. 3. Replace the foam, jack and spare tire at a time. tools, and the tire in their original storage location. If this vehicle has a compact spare Caution 4. Remove the insulator pad and tire, it was fully inflated when new; When the compact spare is however, it can lose air over time. place it over the foam holder to installed, do not take the vehicle Check the inflation pressure protect the wheel of the flat tire through an automatic car wash from the jack. regularly. It should be 420 kPa (60 psi). with guide rails. The compact 5. Place the tire facing down over spare can get caught on the rails the extension bolt. Stop as soon as possible and check which can damage the tire, wheel, that the spare tire is correctly and other parts of the vehicle. 6. Turn the retainer nut clockwise inflated after being installed on the to secure the tire. vehicle. The compact spare tire is 7. Place the floor cover on the designed for temporary use only. Do not use the compact spare on wheel. The vehicle will perform differently other vehicles. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

280 Vehicle Care Do not mix the compact spare tire or Jump Starting wheel with other wheels or tires. Warning (Continued) They will not fit. Keep the spare tire and its wheel together. Jump Starting - North See California Proposition America 65 Warning 0 226. Caution For more information about the vehicle battery, see Battery - North Tire chains will not fit the compact America 0 242. { Warning spare. Using them can damage the vehicle and the chains. Do not If the battery has run down, try to Batteries can hurt you. They can use tire chains on the compact use another vehicle and some be dangerous because: spare. jumper cables to start your vehicle. Be sure to use the following steps to . They contain acid that can do it safely. burn you. . They contain gas that can { Warning explode or ignite.

WARNING: Battery posts, . They contain enough electricity to burn you. terminals, and related accessories contain lead and lead If you do not follow these steps compounds, chemicals known to exactly, some or all of these the State of California to cause things can hurt you. cancer and birth defects or other reproductive harm. Batteries also contain other chemicals known to the State of California to cause cancer. WASH HANDS AFTER HANDLING. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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4. Good Battery Negative 2. Position the two vehicles so Caution Terminal that they are not touching. Ignoring these steps could result The jump start remote positive 3. Set the parking brake firmly in costly damage to the vehicle terminal (1) and the remote negative and shift to P (Park). See 0 that would not be covered by the ground terminal (2) for the Shifting Into Park 177. vehicle warranty. Trying to start discharged battery are in the engine the vehicle by pushing or pulling it compartment on the driver side of Caution will not work, and it could damage the vehicle. the vehicle. The jump start positive terminal (3) If any accessories are left on or and negative terminal (4) are on the plugged in during the jump battery of the vehicle providing the starting procedure, they could be jump start. damaged. The repairs would not be covered by the vehicle The positive jump start connection warranty. Whenever possible, turn for the discharged battery is under a cover. Remove the cover to expose off or unplug all accessories on the terminal. either vehicle when jump starting. 1. Check the other vehicle. It must have a 12-volt battery 4. Set the ignition to OFF. Turn off with a negative ground system. all lights and accessories in both vehicles, except the hazard warning flashers if Caution needed. If the other vehicle does not have 1. Discharged Remote Battery a 12-volt system with a negative Positive Terminal ground, both vehicles can be 2. Discharged Remote Battery damaged. Only use a vehicle that Negative Ground Terminal has a 12-volt system with a 3. Good Battery Positive negative ground for jump starting. Terminal Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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10. Try to start the vehicle that had { Warning { Warning the dead battery. If it will not start after a few tries, it An electric fan can start up even Fans or other moving engine probably needs service. when the engine is not running parts can injure you badly. Keep and can injure you. Keep hands, your hands away from moving Caution clothing, and tools away from any parts once the engine is running. underhood electric fan. If the jumper cables are 5. Connect one end of the red connected or removed in the positive (+) cable to the remote wrong order, electrical shorting { Warning positive (+) terminal on the may occur and damage the discharged battery. vehicle. The repairs would not be Using a match near a battery can 6. Connect the other end of the covered by the vehicle warranty. cause battery gas to explode. red positive (+) cable to the Always connect and remove the People have been hurt doing this, positive (+) terminal of the good jumper cables in the correct order, and some have been blinded. battery. making sure that the cables do Use a flashlight if you need more not touch each other or other 7. Connect one end of the black light. metal. negative (–) cable to the Battery fluid contains acid that negative (–) terminal of the can burn you. Do not get it on good battery. Jumper Cable Removal you. If you accidentally get it in 8. Connect the other end of the Reverse the sequence exactly when your eyes or on your skin, flush black negative (–) cable to the removing the jumper cables. the place with water and get remote negative (–) ground medical help immediately. After starting the disabled vehicle terminal for the discharged and removing the jumper cables, battery. allow it to idle for several minutes. 9. Start the engine in the vehicle with the good battery and run the engine at idle speed for at least four minutes. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Vehicle Care 283 Towing the Vehicle Recreational Vehicle . Is the proper towing equipment going to be used? See your Towing dealer or trailering professional Caution Recreational vehicle towing means for additional advice and towing the vehicle behind another equipment recommendations. Incorrectly towing a disabled vehicle such as a motor home. The vehicle may cause damage. The . Is the vehicle ready to be two most common types of towed? Just as preparing the damage would not be covered by recreational vehicle towing are the vehicle warranty. vehicle for a long trip, make sure known as dinghy towing and dolly the vehicle is prepared to be Do not lash or hook to towing. Dinghy towing is towing the towed. suspension components. Use the vehicle with all four wheels on the ground. Dolly towing is towing the proper straps around the tires to Caution secure the vehicle. vehicle with two wheels on the ground and two wheels up on a Use of a shield mounted in front device known as a dolly. Have the vehicle towed on a wheel of the vehicle grille could restrict lift tow truck. A flatbed car carrier Here are some important things to airflow and cause damage to the could damage the vehicle. The consider before recreational vehicle transmission. The repairs would wheel lift tow truck must raise the towing: not be covered by the vehicle rear of the vehicle and wheel dollies . What is the towing capacity of warranty. If using a shield, only must be used to lift the front wheels the towing vehicle? Be sure to use one that attaches to the off the ground. read the tow vehicle towing vehicle. Consult your dealer or a manufacturer's professional towing service if the recommendations. disabled vehicle must be towed. . What is the distance that will be traveled? Some vehicles have restrictions on how far and how long they can tow. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Dinghy Towing towed, a dolly should be used. See 3. Shift the transmission to the following information on dolly P (Park). towing. 4. Firmly set the parking brake. Dolly Towing from the Front 5. Use an adequate clamping (Front-Wheel Drive) device designed for towing to ensure that the front wheels are locked into the straight-ahead position. 6. Secure the vehicle to the dolly following the manufacturer instructions. 7. Release the parking brake only after the vehicle being towed is firmly attached to the towing Caution vehicle. If the vehicle is towed with all four 8. Turn the ignition to OFF. wheels on the ground, the drivetrain components could be Vehicles with front-wheel drive can damaged. The repairs would not be dolly towed from the front. be covered by the vehicle To dolly tow the vehicle from the warranty. Do not tow the vehicle front: with all four wheels on the ground. 1. Attach the dolly to the tow vehicle following the dolly manufacturer instructions. The vehicle was not designed to be towed with all four wheels on the 2. Drive the front wheels onto the ground. If the vehicle must be dolly. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Vehicle Care 285 Dolly Towing from the Front Dolly Towing from the Rear Appearance Care (All-Wheel Drive) Exterior Care Locks Locks are lubricated at the factory. Use a de-icing agent only when absolutely necessary, and have the locks greased after using. See Recommended Fluids and Lubricants 0 305. Washing the Vehicle To preserve the vehicle's finish, The vehicle cannot be dolly towed wash it often and out of direct Vehicles with All-Wheel Drive from the rear. sunlight. cannot be dolly towed. Caution

Do not use petroleum-based, acidic, or abrasive cleaning agents as they can damage the vehicle's paint, metal, or plastic parts. If damage occurs, it would not be covered by the vehicle warranty. Approved cleaning products can be obtained from (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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have the damage assessed and Caution (Continued) Caution (Continued) repaired. Foreign materials such as calcium chloride and other salts, ice your dealer. Follow all This could cause damage that melting agents, road oil and tar, tree manufacturer directions regarding would not be covered by the sap, bird droppings, chemicals from correct product usage, necessary vehicle warranty. industrial chimneys, etc., can safety precautions, and damage the vehicle's finish if they appropriate disposal of any If using an automatic car wash, remain on painted surfaces. Wash vehicle care product. follow the car wash instructions. The the vehicle as soon as possible. windshield wiper and rear window If necessary, use non-abrasive wiper, if equipped, must be off. cleaners that are marked safe for painted surfaces to remove foreign Caution Remove any accessories that may be damaged or interfere with the car matter. Avoid using high-pressure wash equipment. Occasional hand waxing or mild washes closer than 30 cm (12 in) Rinse the vehicle well, before polishing should be done to remove to the surface of the vehicle. Use washing and after, to remove all residue from the paint finish. See of power washers exceeding cleaning agents completely. If they your dealer for approved cleaning 8,274 kPa (1,200 psi) can result are allowed to dry on the surface, products. in damage or removal of paint they could stain. Do not apply waxes or polishes to and decals. Dry the finish with a soft, clean uncoated plastic, vinyl, rubber, chamois or an all-cotton towel to decals, simulated wood, or flat paint avoid surface scratches and water as damage can occur. Caution spotting. Caution Finish Care Do not power wash any component under the hood that Application of aftermarket clearcoat Machine compounding or sealant/wax materials is not aggressive polishing on a has this symbol. e recommended. If painted surfaces basecoat/clearcoat paint finish (Continued) are damaged, see your dealer to (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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. Be sure the molding is cool to Lamp covers are made of plastic, Caution (Continued) the touch before applying any and some have a UV protective cleaning solution. coating. Do not clean or wipe them may damage it. Use only when dry. non-abrasive waxes and polishes . Use only approved cleaning that are made for a basecoat/ solutions for aluminum, chrome, Do not use any of the following on clearcoat paint finish on the or stainless steel. Some lamp covers: vehicle. cleaners are highly acidic or . Abrasive or caustic agents. contain alkaline substances and can damage the moldings. . Washer fluids and other cleaning To keep the paint finish looking new, agents in higher concentrations keep the vehicle garaged or . Always dilute a concentrated than suggested by the covered whenever possible. cleaner according to the manufacturer. manufacturer’s instructions. Protecting Exterior Bright Metal . Solvents, alcohols, fuels, . Do not use cleaners that are not or other harsh cleaners. Moldings intended for automotive use. . Ice scrapers or other hard items. Caution . Use a nonabrasive wax on the vehicle after washing to protect . Aftermarket appearance caps or Failure to clean and protect the and extend the molding finish. covers while the lamps are bright metal moldings can result illuminated, due to excessive Cleaning Exterior Lamps/ heat generated. in a hazy white finish or pitting. Lenses, Emblems, Decals, and This damage would not be Stripes covered by the vehicle warranty. Caution Use only lukewarm or cold water, a soft cloth, and a car washing soap Failure to clean lamps properly The bright metal moldings on the to clean exterior lamps, lenses, can cause damage to the lamp vehicle are aluminum, chrome, emblems, decals, and stripes. cover that would not be covered or stainless steel. To prevent Follow instructions under "Washing by the vehicle warranty. damage always follow these the Vehicle" previously in this cleaning instructions: section. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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The vehicle may have a shutter application. Black marks from Caution system designed to help increase rubber material on painted surfaces fuel economy. Keep the shutter can be removed by rubbing with a Using wax on low gloss black system clean for proper operation. clean cloth. See Recommended finish stripes can increase the Fluids and Lubricants 0 305. gloss level and create a Windshield and Wiper Blades non-uniform finish. Clean low Clean the outside of the windshield Tires gloss stripes with soap and with glass cleaner. Use a stiff brush with tire cleaner to water only. Clean rubber blades using a lint-free clean the tires. cloth or paper towel soaked with Air Intakes windshield washer fluid or a mild Caution Clear debris from the air intakes, detergent. Wash the windshield thoroughly when cleaning the Using petroleum-based tire between the hood and windshield, dressing products on the vehicle when washing the vehicle. blades. Bugs, road grime, sap, and a buildup of vehicle wash/wax may damage the paint finish and/ Shutter System treatments may cause wiper or tires. When applying a tire streaking. dressing, always wipe off any overspray from all painted Replace the wiper blades if they are surfaces on the vehicle. worn or damaged. Damage can be caused by extreme dusty conditions, sand, salt, heat, sun, Wheels and Trim — Aluminum snow, and ice. or Chrome Weatherstrips Use a soft, clean cloth with mild Apply Dielectric silicone grease on soap and water to clean the wheels. weatherstrips to make them last After rinsing thoroughly with clean longer, seal better, and not stick or water, dry with a soft, clean towel. squeak. Lubricate weatherstrips at A wax may then be applied. least once a year. Hot, dry climates may require more frequent Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Body Component Lubrication Caution Caution (Continued) Lubricate all key lock cylinders, Chrome wheels and other chrome brushes. Damage could occur hood hinges, liftgate hinges, and the trim may be damaged if the and the repairs would not be steel fuel door hinges, unless the vehicle is not washed after driving covered by the vehicle warranty. components are plastic. Applying on roads that have been sprayed silicone grease on weatherstrips with a clean cloth will make them with magnesium, calcium, Brake System or sodium chloride. These last longer, seal better, and not stick chlorides are used on roads for Visually inspect brake lines and or squeak. conditions such as ice and dust. hoses for proper hook-up, binding, Underbody Maintenance Always wash the chrome with leaks, cracks, chafing, etc. Inspect soap and water after exposure. disc brake pads for wear and rotors At least twice a year, spring and fall, for surface condition. Inspect drum use plain water to flush any brake linings/shoes for wear or corrosive materials from the cracks. Inspect all other brake parts. underbody. Take care to thoroughly Caution clean any areas where mud and Steering, Suspension, and other debris can collect. Chassis Components To avoid surface damage, do not Do not directly power wash the use strong soaps, chemicals, Visually inspect steering, transfer case and/or front/rear axle abrasive polishes, cleaners, suspension, and chassis output seals. High pressure water brushes, or cleaners that contain components for damaged, loose, can overcome the seals and acid on aluminum or or missing parts or signs of wear at contaminate the fluid. Contaminated chrome-plated wheels. Use only least once a year. fluid will decrease the life of the approved cleaners. Also, never Inspect power steering for proper transfer case and/or axles and drive a vehicle with aluminum or attachment, connections, binding, should be replaced. chrome-plated wheels through an leaks, cracks, chafing, etc. automatic car wash that uses silicone carbide tire cleaning Visually check constant velocity joint boots and axle seals for leaks. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Sheet Metal Damage Interior Care To prevent damage, do not clean the interior using the following If the vehicle is damaged and To prevent dirt particle abrasions, cleaners or techniques: requires sheet metal repair or regularly clean the vehicle's interior. replacement, make sure the body Immediately remove any soils. . Never use a razor or any other repair shop applies anti-corrosion Newspapers or dark garments can sharp object to remove soil from material to parts repaired or transfer color to the vehicle’s any interior surface. replaced to restore corrosion interior. . Never use a brush with stiff protection. Use a soft bristle brush to remove bristles. Original manufacturer replacement dust from knobs and crevices on the . Never rub any surface parts will provide the corrosion instrument cluster. Using a mild aggressively or with too much protection while maintaining the soap solution, immediately remove pressure. vehicle warranty. hand lotions, sunscreen, and insect repellent from all interior surfaces or . Do not use laundry detergents or Finish Damage dishwashing soaps with permanent damage may result. Quickly repair minor chips and degreasers. For liquid cleaners, Use cleaners specifically designed scratches with touch-up materials use approximately 20 drops per for the surfaces being cleaned to available from your dealer to avoid 3.8 L (1 gal) of water. prevent permanent damage. Apply corrosion. Larger areas of finish A concentrated soap solution will all cleaners directly to the cleaning damage can be corrected in your create streaks and attract dirt. cloth. Do not spray cleaners on any dealer's body and paint shop. Do not use solutions that contain switches or controls. Remove strong or caustic soap. cleaners quickly. Chemical Paint Spotting . Do not heavily saturate the Airborne pollutants can fall upon Before using cleaners, read and upholstery when cleaning. follow all safety instructions on the and attack painted vehicle surfaces Do not use solvents or cleaners label. While cleaning the interior, . causing blotchy, ring-shaped containing solvents. discolorations, and small, irregular open the doors and windows to get dark spots etched into the paint proper ventilation. surface. See “Finish Care” previously in this section. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Interior Glass Coated Moldings 2. Remove excess moisture by gently wringing until water does To clean, use a terry cloth fabric Coated moldings should be cleaned. not drip from the cleaning cloth. dampened with water. Wipe droplets . When lightly soiled, wipe with a 3. Start on the outside edge of the left behind with a clean dry cloth. sponge or soft, lint-free cloth soil and gently rub toward the If necessary, use a commercial dampened with water. glass cleaner after cleaning with center. Fold the cleaning cloth plain water. . When heavily soiled, use warm to a clean area frequently to soapy water. prevent forcing the soil in to the fabric. Caution Fabric/Carpet/Suede 4. Continue gently rubbing the To prevent scratching, never use Start by vacuuming the surface soiled area until there is no abrasive cleaners on automotive using a soft brush attachment. If a longer any color transfer from glass. Abrasive cleaners or rotating vacuum brush attachment is the soil to the cleaning cloth. aggressive cleaning may damage being used, only use it on the floor 5. If the soil is not completely the rear window defogger. carpet. Before cleaning, gently remove as much of the soil as removed, use a mild soap possible: solution followed only by plain Cleaning the windshield with water water. . Gently blot liquids with a paper during the first three to six months If the soil is not completely of ownership will reduce tendency towel. Continue blotting until no more soil can be removed. removed, it may be necessary to to fog. use a commercial upholstery . For solid soils, remove as much Speaker Covers cleaner or spot lifter. Test a small as possible prior to vacuuming. hidden area for colorfastness before Vacuum around a speaker cover To clean: using a commercial upholstery gently, so that the speaker will not cleaner or spot lifter. If ring 1. Saturate a clean, lint-free be damaged. Clean spots with water formation occurs, clean the entire colorfast cloth with water. and mild soap. fabric or carpet. Microfiber cloth is recommended to prevent lint After cleaning, use a paper towel to transfer to the fabric or carpet. blot excess moisture. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Cleaning High Gloss Surfaces Instrument Panel, Leather, and Vehicle Information and Vinyl, Other Plastic Surfaces, Caution (Continued) Radio Displays Low Gloss Paint Surfaces, and the appearance and feel of Use a microfiber cloth on high gloss Natural Open Pore Wood leather or soft trim, and are not surfaces or vehicle displays. First, Surfaces recommended. use a soft bristle brush to remove Use a soft microfiber cloth dirt that can scratch the surface. dampened with water to remove Do not use cleaners that increase Then gently clean by rubbing with a dust and loose dirt. For a more gloss, especially on the instrument microfiber cloth. Never use window thorough cleaning, use a soft panel. Reflected glare can decrease cleaners or solvents. Periodically microfiber cloth dampened with a visibility through the windshield hand wash the microfiber cloth mild soap solution. under certain conditions. separately, using mild soap. Do not use bleach or fabric softener. Rinse Caution thoroughly and air dry before Caution next use. Soaking or saturating leather, Use of air fresheners may cause especially perforated leather, as permanent damage to plastics Caution well as other interior surfaces, and painted surfaces. If an air may cause permanent damage. Do not attach a device with a freshener comes in contact with Wipe excess moisture from these any plastic or painted surface in suction cup to the display. This surfaces after cleaning and allow may cause damage and would the vehicle, blot immediately and them to dry naturally. Never use clean with a soft cloth dampened not be covered by the vehicle heat, steam, or spot removers. Do warranty. 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) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Cargo Cover and Floor Mats . Do not use a floor mat if the Convenience Net vehicle is not equipped with a floor mat retainer on the driver Wash with warm water and mild { Warning side floor. detergent. Do not use chlorine bleach. Rinse with cold water, and If a floor mat is the wrong size or . Use the floor mat with the then dry completely. is not properly installed, it can correct side up. Do not turn interfere with the pedals. it over. Care of Safety Belts Interference with the pedals can . Do not place anything on top of Keep belts clean and dry. cause unintended acceleration the driver side floor mat. and/or increased stopping distance which can cause a crash . Use only a single floor mat on { Warning the driver side. and injury. Make sure the floor Do not bleach or dye safety belt mat does not interfere with the . Do not place one floor mat on webbing. It may severely weaken pedals. top of another. the webbing. In a crash, they might not be able to provide Use the following guidelines for adequate protection. Clean and proper floor mat usage: rinse safety belt webbing only with mild soap and lukewarm . The original equipment floor water. Allow the webbing to dry. 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. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Removing and Replacing the Floor Mats Pull up on the rear of the floor mat to unlock each retainer and remove.

Reinstall by lining up the floor mat retainer openings over the carpet retainers and snap into position. Make sure the floor mat is properly secured in place. Verify the floor mat does not interfere with the pedals. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Service and Maintenance 295 General Information changes and tire rotations and Service and additional maintenance items like Maintenance Your vehicle is an important tires, brakes, batteries, and wiper investment. This section describes blades. the required maintenance for the General Information vehicle. Follow this schedule to help Caution General Information ...... 295 protect against major repair expenses resulting from neglect or Damage caused by improper Maintenance Schedule inadequate maintenance. It may maintenance can lead to costly Maintenance Schedule ...... 296 also help to maintain the value of repairs and may not be covered the vehicle if it is sold. It is the Special Application Services by the vehicle warranty. responsibility of the owner to have Maintenance intervals, checks, Special Application all required maintenance performed. Services ...... 301 inspections, recommended fluids, Your dealer has trained technicians and lubricants are important to Additional Maintenance who can perform required keep the vehicle in good working and Care maintenance using genuine condition. Additional Maintenance replacement parts. They have and Care ...... 302 up-to-date tools and equipment for fast and accurate diagnostics. Many The Tire Rotation and Required Recommended Fluids, dealers have extended evening and Services are the responsibility of the Lubricants, and Parts Saturday hours, courtesy vehicle owner. It is recommended to Recommended Fluids and transportation, and online have your dealer perform these Lubricants ...... 305 scheduling to assist with service services every 12 000 km/7,500 mi. Maintenance Replacement needs. Proper vehicle maintenance helps to Parts ...... 306 keep the vehicle in good working Your dealer recognizes the condition, improves fuel economy, Maintenance Records importance of providing and reduces vehicle emissions. Maintenance Records ...... 307 competitively priced maintenance and repair services. With trained Because of the way people use technicians, the dealer is the place vehicles, maintenance needs vary. for routine maintenance such as oil There may need to be more Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

296 Service and Maintenance frequent checks and services. The . Used for taxi, police, or delivery Maintenance Additional Required Services - service. Normal are for vehicles that: Refer to the information in the Schedule . Carry passengers and cargo Maintenance Schedule Additional Owner Checks and Services within recommended limits on Required Services - Severe chart. the Tire and Loading Information At Each Fuel Stop label. See Vehicle Load { Warning . Check the engine oil level. See 0 Limits 168. Engine Oil 0 230. Performing maintenance work can . Are driven on reasonable road Once a Month surfaces within legal driving be dangerous and can cause limits. serious injury. Perform . Check the tire inflation maintenance work only if the pressures. See Tire . Use the recommended fuel. See required information, proper tools, Pressure 0 260. Fuel 0 215. and equipment are available. . Inspect the tires for wear. See Refer to the information in the If they are not, see your dealer to Tire Inspection 0 266. Maintenance Schedule Additional have a trained technician do the Required Services - Normal chart. work. See Doing Your Own . Check the windshield washer Service Work 0 227. fluid level. See Washer The Additional Required Services - Fluid 0 240. Severe are for vehicles that are: . Mainly driven in heavy city traffic Engine Oil Change in hot weather. When the CHANGE ENGINE OIL . Mainly driven in hilly or SOON message displays, have the mountainous terrain. engine oil and filter changed within the next 1 000 km/600 mi. If driven . Frequently towing a trailer. under the best conditions, the . Used for high speed or engine oil life system may not competitive driving. indicate the need for vehicle service for up to a year. The engine oil and filter must be changed at least once Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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a year and the oil life system must . Visually inspect windshield wiper . Visually inspect exhaust system be reset. Your trained dealer blades for wear, cracking, and nearby heat shields for technician can perform this work. or contamination. See Exterior loose or damaged parts. 0 If the engine oil life system is reset Care 285. Replace worn or . Lubricate body components. See accidentally, service the vehicle damaged wiper blades. See Exterior Care 0 285. within 5 000 km/3,000 mi since the Wiper Blade last service. Reset the oil life Replacement 0 244. . Check starter switch. See Starter system when the oil is changed. Switch Check 0 243. 0 . Check tire inflation pressures. See Engine Oil Life System 232. See Tire Pressure 0 260. . Check parking brake and automatic transmission park Tire Rotation and Required . Inspect tire wear. See Tire Services Every 12 000 km/ 0 mechanism. See Park Brake and Inspection 266. P (Park) Mechanism 7,500 mi . Visually check for fluid leaks. Check 0 243. Rotate the tires, if recommended for . Inspect engine air cleaner filter. . Check accelerator pedal for the vehicle, and perform the See Engine Air Cleaner/ damage, high effort, or binding. following services. See Tire Filter 0 234. Replace if needed. Rotation 0 266. . Inspect brake system. See . Visually inspect gas strut for . Check engine oil level and oil Exterior Care 0 285. signs of wear, cracks, or other life percentage. If needed, damage. Check the hold open change engine oil and filter, and . Visually inspect steering, suspension, and chassis ability of the strut. See your reset oil life system. See Engine dealer if service is required. Oil 0 230 and Engine Oil Life components for damaged, loose, System 0 232. or missing parts or signs of . Inspect sunroof track and seal, wear. See Exterior Care 0 285. if equipped. See Sunroof 0 47. . Check engine coolant level. See Engine Coolant 0 235. . Check restraint system components. See Safety System . Check windshield washer fluid Check 0 64. level. See Washer Fluid 0 240. . Visually inspect fuel system for damage or leaks. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Maintenance Schedule

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

Rotate tires and perform Required Services. Check engine oil level and oil life percentage. @@@@@@@@@@@@@@@@@@@@ Change engine oil and filter, if needed. Replace passenger compartment air filter. (1) @ @ @ @ @ @ Inspect evaporative control system. (2) @ @ @ Replace engine air cleaner filter. (3) @ @ @ Replace spark plugs. Inspect spark plug wires. @ Drain and fill engine cooling system. (4) @ Visually inspect accessory drive belts. (5) @ Replace brake fluid. (6) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Footnotes — Maintenance (5) Or every 10 years, whichever Schedule Additional Required comes first. Inspect for fraying, Services - Normal excessive cracking, or damage; (1) Or every two years, whichever replace, if needed. comes first. More frequent (6) Replace brake fluid every five passenger compartment air filter years. See Brake Fluid 0 241. replacement may be needed if driving in areas with heavy traffic, poor air quality, high dust levels, or environmental allergens. Passenger compartment air filter replacement may also be needed if there is reduced airflow, window fogging, or odors. Your GM dealer can help determine when to replace the filter. (2) Visually check all fuel and vapor lines and hoses for proper attachment, connection, routing, and condition. (3) Or every four years, whichever comes first. If driving in dusty conditions, inspect the filter at each oil change or more often as needed. (4) Or every five years, whichever comes first. See Cooling System 0 235. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Maintenance Schedule

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

Rotate tires and perform Required Services. Check engine oil level and oil life percentage. @@@@@@@@@@@@@@@@@@@@ Change engine oil and filter, if needed. Replace passenger compartment air filter. (1) @ @ @ @ @ @ Inspect evaporative control system. (2) @ @ @ Replace engine air cleaner filter. (3) @ @ @ Change automatic transmission fluid. @ @ @ Replace spark plugs. Inspect spark plug wires. @ Drain and fill engine cooling system. (4) @ Visually inspect accessory drive belts. (5) @ Replace brake fluid. (6) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Footnotes — Maintenance (5) Or every 10 years, whichever Special Application Schedule Additional Required comes first. Inspect for fraying, Services - Severe excessive cracking, or damage; Services replace, if needed. (1) Or every two years, whichever . Severe Commercial Use comes first. More frequent (6) Replace brake fluid every five Vehicles Only: Lubricate chassis passenger compartment air filter years. See Brake Fluid 0 241. components every oil change. replacement may be needed if . Have underbody flushing service driving in areas with heavy traffic, performed. See "Underbody poor air quality, high dust levels, Maintenance" in Exterior or environmental allergens. Care 0 285. Passenger compartment air filter replacement may also be needed if there is reduced airflow, window fogging, or odors. Your GM dealer can help determine when to replace the filter. (2) Visually check all fuel and vapor lines and hoses for proper attachment, connection, routing, and condition. (3) Or every four years, whichever comes first. If driving in dusty conditions, inspect the filter at each oil change or more often as needed. (4) Or every five years, whichever comes first. See Cooling System 0 235. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

302 Service and Maintenance Additional . To avoid break-down or failure to . Trained dealer technicians have start the vehicle, maintain a access to tools and equipment Maintenance and Care battery with full cranking power. to inspect the brakes and recommend quality parts Your vehicle is an important . Trained dealer technicians have engineered for the vehicle. investment and caring for it properly the diagnostic equipment to test may help to avoid future costly the battery and ensure that the Fluids repairs. To maintain vehicle connections and cables are Proper fluid levels and approved performance, additional corrosion-free. fluids protect the vehicle s systems maintenance services may be ’ Belts and components. See required. . Belts may need replacing if they Recommended Fluids and It is recommended that your dealer 0 squeak or show signs of Lubricants 305 for GM approved perform these services their — cracking or splitting. fluids. trained dealer technicians know . Engine oil and windshield your vehicle best. Your dealer can . Trained dealer technicians have washer fluid levels should be also perform a thorough access to tools and equipment checked at every fuel fill. assessment with a multi-point to inspect the belts and inspection to recommend when your recommend adjustment or . Instrument cluster lights may vehicle may need attention. replacement when necessary. come on to indicate that fluids may be low and need to be The following list is intended to Brakes filled. explain the services and conditions Brakes stop the vehicle and are to look for that may indicate crucial to safe driving. Hoses services are required. . Signs of brake wear may include Hoses transport fluids and should Battery chirping, grinding, or squealing be regularly inspected to ensure that there are no cracks or leaks. The 12-volt battery supplies power noises, or difficulty stopping. With a multi-point inspection, your to start the engine and operate any dealer can inspect the hoses and additional electrical accessories. advise if replacement is needed. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Lamps of leaking, blown seals, information on how to clean and or damage, and can advise protect the vehicle’s interior and Properly working headlamps, 0 taillamps, and brake lamps are when service is needed. exterior, see Interior Care 290 and Exterior Care 0 285. important to see and be seen on Tires the road. Tires need to be properly inflated, Wheel Alignment . Signs that the headlamps need rotated, and balanced. Maintaining Wheel alignment is critical for attention include dimming, failure the tires can save money and fuel, ensuring that the tires deliver to light, cracking, or damage. and can reduce the risk of tire optimal wear and performance. The brake lamps need to be failure. checked periodically to ensure . Signs that the alignment may that they light when braking. . Signs that the tires need to be need to be adjusted include replaced include three or more pulling, improper vehicle . With a multi-point inspection, visible treadwear indicators; cord handling, or unusual tire wear. your dealer can check the lamps or fabric showing through the and note any concerns. . Your dealer has the required rubber; cracks or cuts in the equipment to ensure proper Shocks and Struts tread or sidewall; or a bulge or wheel alignment. split in the tire. Shocks and struts help aid in control Windshield for a smoother ride. . Trained dealer technicians can inspect and recommend the right For safety, appearance, and the . Signs of wear may include tires. Your dealer can also best viewing, keep the windshield steering wheel vibration, bounce/ provide tire/wheel balancing clean and clear. sway while braking, longer services to ensure smooth stopping distance, or uneven . Signs of damage include vehicle operation at all speeds. scratches, cracks, and chips. tire wear. Your dealer sells and services Trained dealer technicians can . As part of the multi-point name brand tires. . inspect the windshield and inspection, trained dealer Vehicle Care technicians can visually inspect recommend proper replacement the shocks and struts for signs To help keep the vehicle looking like if needed. new, vehicle care products are available from your dealer. For Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Wiper Blades Wiper blades need to be cleaned and kept in good condition to provide a clear view. . Signs of wear include streaking, skipping across the windshield, and worn or split rubber. . Trained dealer technicians can check the wiper blades and replace them when needed. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Service and Maintenance 305 Recommended Fluids, Lubricants, and Parts Recommended Fluids and Lubricants Usage Fluid/Lubricant Automatic Transmission AW-1 Automatic Transmission Fluid (GM Part No. 19256039, in Canada 19256040). Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL® Coolant. See Engine Coolant 0 235. Engine Oil Engine oil meeting the dexos1™ specification of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. See Engine Oil 0 230. 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. 19299818, in Canada 19299819). 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 Dielectric Silicone Grease (GM Part No. 12345579, in Canada 10953481). Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

306 Service and Maintenance

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 23430312 A3208C Engine Oil Filter 19330000 PF63E Passenger Compartment Air Filter 13508023 CF185 Spark Plugs 12646780 41-130 Wiper Blades Driver Side – 65 cm (25.6 in) 26674585 — Passenger Side – 45 cm (17.7 in) 26674584 — Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Service and Maintenance 307 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 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

308 Technical Data Technical Data Vehicle Identification Service Parts Identification Label Vehicle Identification Vehicle Identification This label, located in the spare tire Number (VIN) compartment, has the following Vehicle Identification information: Number (VIN) ...... 308 Service Parts Identification . Vehicle Identification Label ...... 308 Number (VIN). Vehicle Data . Model designation. Capacities and . Paint information. Specifications ...... 309 Engine Drive Belt Routing . . . . 310 . Production options and special This legal identifier is in the front equipment. corner of the instrument panel, on Do not remove this label from the the driver side of the vehicle. It can vehicle. be seen through the windshield from outside. The Vehicle Identification Number (VIN) also appears on the Vehicle Certification and Service Parts labels and certificates of title and registration. Engine Identification The eighth character in the VIN is the engine code. This code identifies the vehicle's engine, specifications, and replacement parts. See “Engine Specifications” under Capacities and Specifications 0 309 for the vehicle's engine code. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Technical Data 309 Vehicle Data Capacities and Specifications 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 9.0 L 9.5 qt Engine Oil with Filter 5.7 L 6.0 qt Fuel Tank AWD 61.3 L 16.2 gal FWD 59.8 L 15.8 gal Wheel Nut Torque 140 Y 100 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 Specifications Engine VIN Code Transmission Spark Plug Gap 3.6L V6 Engine S Automatic 0.80–0.90 mm (0.031– 0.035 in) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

310 Technical Data

Engine Drive Belt Routing Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Customer Information 311 Reporting Safety Defects to Customer Information Customer the Canadian Information Government ...... 322 Reporting Safety Defects to Customer Satisfaction General Motors ...... 322 Procedure Customer Information Vehicle Data Recording and Your satisfaction and goodwill are Customer Satisfaction Privacy important to your dealer and to Procedure ...... 311 Vehicle Data Recording and Buick. Normally, any concerns with Customer Assistance Privacy ...... 323 the sales transaction or the Offices ...... 313 Event Data Recorders ...... 323 operation of the vehicle will be Customer Assistance for Text ® OnStar ...... 324 resolved by your dealer's sales or Telephone (TTY) Users . . . . . 314 Infotainment System ...... 324 service departments. Sometimes, Online Owner Center ...... 314 however, despite the best intentions GM Mobility Reimbursement of all concerned, misunderstandings Program ...... 315 can occur. If your concern has not Roadside Assistance been resolved to your satisfaction, Program ...... 315 the following steps should be taken: Scheduling Service Appointments ...... 317 STEP ONE : Discuss your concern Courtesy Transportation with a member of dealership Program ...... 317 management. Normally, concerns Collision Damage Repair . . . . . 318 can be quickly resolved at that level. Service Publications Ordering If the matter has already been Information ...... 320 reviewed with the sales, service, Radio Frequency or parts manager, contact the owner Statement ...... 321 of your dealership or the general manager. Reporting Safety Defects Reporting Safety Defects to STEP TWO : If after contacting a the United States member of dealership management, Government ...... 322 it appears your concern cannot be Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

312 Customer Information

resolved by your dealership without STEP THREE — U.S. Owners : You may contact the BBB Auto Line further help, in the U.S., call Both General Motors and your Program using the toll-free 1-800-521-7300. In Canada, contact dealer are committed to making telephone number or write them at General Motors of Canada sure you are completely satisfied the following address: Customer Care Centre at with the new vehicle. However, BBB Auto Line Program 1-800-263-3777 (English) or if you continue to remain unsatisfied Council of Better Business Bureaus, 1-800-263-7854 (French). after following the procedure Inc. We encourage you to call the outlined in Steps One and Two, you 3033 Wilson Boulevard can file with the Better Business toll-free number in order to give the ® Suite 600 inquiry prompt attention. Have the Bureau (BBB) Auto Line Program Arlington, VA 22201 to enforce your rights. following information available to Telephone: 1-800-955-5100 give the Customer Assistance The BBB Auto Line Program is an http://www.bbb.org/council/ representative: out-of-court program administered programs-services/ . Vehicle Identification by the Council of Better Business dispute-handling-and-resolution/ Number (VIN). This is available Bureaus to settle automotive bbb-auto-line disputes regarding vehicle repairs or from the vehicle registration or This program is available in all title, or the plate at the top left of the interpretation of the New Vehicle Limited Warranty. Although you may 50 states and the District of the instrument panel and visible Columbia. Eligibility is limited by through the windshield. be required to resort to this informal dispute resolution program prior to vehicle age, mileage, and other . Dealership name and location. filing a court action, use of the factors. General Motors reserves . Vehicle delivery date and program is free of charge and your the right to change eligibility present mileage. case will generally be heard within limitations and/or discontinue its 40 days. If you do not agree with the participation in this program. When contacting Buick, remember decision given in your case, you STEP THREE — Canadian that your concern will likely be may reject it and proceed with any resolved at a dealer's facility. That is Owners : In the event that you do other venue for relief available not feel your concerns have been why we suggest following Step One to you. first. addressed after following the procedure outlined in Steps One and Two, General Motors of Canada Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Company wants you to be aware of Mediation/Arbitration Program From U.S. Virgin Islands: its participation in a no-charge c/o Customer Care Centre 1-800-496-9994 Mediation/Arbitration program. General Motors of Canada General Motors of Canada Company Canada Company has committed to binding Mail Code: CA1-163-005 General Motors of Canada arbitration of owner disputes 1908 Colonel Sam Drive Company involving factory-related vehicle Oshawa, Ontario L1H 8P7 Customer Care Centre, Mail Code: service claims. The program The inquiry should be accompanied CA1-163-005 provides for the review of the facts by the Vehicle Identification 1908 Colonel Sam Drive involved by an impartial third party Number (VIN). Oshawa, Ontario L1H 8P7 arbiter, and may include an informal www.gm.ca hearing before the arbiter. The program is designed so that the Customer Assistance 1-800-263-3777 (English) entire dispute settlement process, Offices 1-800-263-7854 (French) from the time you file your complaint Buick encourages customers to call 1-800-263-3830 (For Text to the final decision, should be the toll-free number for assistance. Telephone devices (TTYs)) completed in about 70 days. We However, if a customer wishes to Roadside Assistance: believe our impartial program offers write or e-mail Buick, the letter 1-800-268-6800 advantages over courts in most should be addressed to: jurisdictions because it is informal, All Overseas Locations quick, and free of charge. United States and Puerto Rico Please contact the local General For further information concerning Buick Customer Assistance Center Motors Business Unit. eligibility in the Canadian Motor P.O. Box 33136 Vehicle Arbitration Plan (CAMVAP), Detroit, MI 48232-5136 call toll-free 1-800-207-0685, or call www.Buick.com the General Motors Customer Care 1-800-521-7300 Centre, 1-800-263-3777 (English), 1-800-832-8425 (For Text 1-800-263-7854 (French), Telephone devices (TTYs)) or write to: Roadside Assistance: 1-800-252-1112 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

314 Customer Information

Customer Assistance for G : View maintenance schedules, Buick Owner Centre (Canada) Text Telephone (TTY) alerts, and OnStar onboard vehicle buickowner.ca diagnostic information. Schedule Visit the Buick Owner Centre: Users service appointments. To assist customers who are deaf, I . Chat live with online help : View and print dealer-recorded representatives. hard of hearing, or speech-impaired service records and self-recorded and who use Text Telephones service records. . Use the Vehicle Tools section. (TTYs), Buick has TTY equipment . Access third party enthusiast available at its Customer Assistance D : Select a dealer and view sites and social media networks. Center. Any TTY user can locations, maps, phone numbers, communicate with Buick by dialing: and hours. . Locate owner resources such as 1-800-832-8425. TTY users in r : Track your vehicle’s warranty lease-end, financing, and Canada can dial 1-800-263-3830. information. warranty information. J : View active recalls by Vehicle . Retrieve your favorite articles, Online Owner Center Identification Number (VIN). See quizzes, tips, and multimedia Online Owner Experience Vehicle Identification Number galleries organized into the 0 Featured Articles and Auto Care (U.S.) my.buick.com (VIN) 308. H Sections. The Buick online owner experience : View GM Card, SiriusXM Satellite radio (if equipped), and . Download the owner manual for allows interaction with Buick and your vehicle, quickly and easily. keeps important vehicle-specific OnStar account information. information in one place. F : Chat with online help . Find the Buick-recommended representatives. maintenance services for your Membership Benefits vehicle. E See my.buick.com to register your : Download owner manuals and vehicle. view vehicle-specific how-to videos. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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GM Mobility Roadside Assistance Coverage Reimbursement Program Program Services are provided for the duration of the vehicle s powertrain For U.S.-purchased vehicles, call ’ warranty. 1-800-252-1112; (Text Telephone (TTY): 1-888-889-2438). In the U.S., anyone driving the vehicle is covered. In Canada, a For Canadian-purchased vehicles, person driving the vehicle without call 1-800-268-6800. permission from the owner is not Service is available 24 hours a day, covered. 365 days a year. This program is available to Roadside Assistance is not a part of qualified applicants for cost Calling for Assistance the New Vehicle Limited Warranty. reimbursement of eligible General Motors North America and aftermarket adaptive equipment When calling Roadside Assistance, Buick reserve the right to make any required for the vehicle, such as have the following information changes or discontinue the hand controls or a wheelchair/ ready: Roadside Assistance program at scooter lift for the vehicle. . Your name, home address, and any time without notification. For more information on the limited home telephone number. General Motors North America and offer, visit www.gmmobility.com or . Telephone number of your Buick reserve the right to limit call the GM Mobility Assistance location. services or payment to an owner or Center at 1-800-323-9935. Text driver if they decide the claims are . Location of the vehicle. Telephone (TTY) users, call made too often, or the same type of 1-800-833-9935. . Model, year, color, and license claim is made many times. plate number of the vehicle. General Motors of Canada also has Services Provided a Mobility Program. Visit www.gm.ca . Odometer reading, Vehicle or call 1-800-GM-DRIVE (463-7483) Identification Number (VIN), and . Emergency Fuel Delivery: for details. TTY users call delivery date of the vehicle. Delivery of enough fuel for the 1-800-263-3830. vehicle to get to the nearest . Description of the problem. service station. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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. Lock-Out Service: Service to . Trip Interruption Benefits and Services Specific to unlock the vehicle if you are Assistance: If your trip is Canadian-Purchased Vehicles locked out. A remote unlock may interrupted due to a warranty be available if you have event, incidental expenses may . Fuel Delivery: Reimbursement OnStar®. For security reasons, be reimbursed within the is up to 7 liters. Diesel fuel the driver must present Powertrain warranty period. delivery may be restricted. identification before this service Items considered are reasonable Propane and other fuels are not is given. and customary hotel, meals, provided through this service. . Emergency Tow from a Public rental car, or a vehicle being . Lock-Out Service: Vehicle Road or Highway: Tow to the delivered back to the customer, registration is required. up to 805 km (500 mi). nearest Buick dealer for . Trip Interruption Benefits and warranty service, or if the vehicle Services Not Included in Assistance: Must be over was in a crash and cannot be Roadside Assistance 150 km from where your trip was driven. Assistance is not given started to qualify. when the vehicle is stuck in . Impound towing caused by Pre-authorization, original sand, mud, or snow. violation of any laws. detailed receipts, and a copy of . Flat Tire Change: Service to . Legal fines. the repair orders are required. Once authorization has been change a flat tire with the spare . Mounting, dismounting, tire. The spare tire, if equipped, received, the Roadside or changing of snow tires, Assistance advisor will help you must be in good condition and chains, or other traction devices. properly inflated. It is the owner's make arrangements and explain responsibility for the repair or Service is not provided if a vehicle how to receive payment. replacement of the tire if it is not is in an area that is not accessible . Alternative Service: If covered by the warranty. to the service vehicle or is not a assistance cannot be provided regularly traveled or maintained right away, the Roadside . Battery Jump Start: Service to public road, which includes ice and jump start a dead battery. Assistance advisor may give winter roads. Off-road use is not permission to get local covered. emergency road service. You will receive payment, up to $100, after sending the original receipt Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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to Roadside Assistance. If your dealer requests you to bring furnished with each new vehicle Mechanical failures may be the vehicle for service, you are provides detailed warranty coverage covered, however any cost for urged to do so as early in the work information. parts and labor for repairs not day as possible to allow for covered by the warranty are the same-day repair. Transportation Options owner responsibility. Warranty service can generally be Courtesy Transportation completed while you wait. However, Scheduling Service Program if you are unable to do so, your Appointments dealer may offer the following To enhance your ownership transportation options: When the vehicle requires warranty experience, we and our participating service, contact your dealer and dealers are proud to offer Courtesy Shuttle Service request an appointment. By Transportation, a customer support This includes one-way or round-trip scheduling a service appointment program for vehicles with the shuttle service within reasonable and advising the service consultant Bumper-to-Bumper (Base Warranty time and distance parameters of of your transportation needs, your Coverage period in Canada), your dealer's area. dealer can help minimize your extended powertrain, and/or inconvenience. hybrid-specific warranties in both Public Transportation or Fuel Reimbursement If the vehicle cannot be scheduled the U.S. and Canada. into the service department Several Courtesy Transportation If overnight warranty repairs are immediately, keep driving it until it options are available to assist in needed, and public transportation is can be scheduled for service, reducing inconvenience when used, the expense must be unless, of course, the problem is warranty repairs are required. supported by original receipts and safety related. If it is, please call within the maximum amount allowed Courtesy Transportation is not a by GM for shuttle service. If U.S. your dealership, let them know this, part of the New Vehicle Limited and ask for instructions. customers arrange their own Warranty. A separate booklet transportation, limited entitled “Limited Warranty and reimbursement for reasonable fuel Owner Assistance Information” expenses may be available. Claim amounts should reflect actual costs Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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and be supported by original Additional Program Collision Parts receipts. See your dealer for Information Genuine GM Collision parts are new information. All program options, such as shuttle parts made with the same materials Courtesy Rental Vehicle service, may not be available at and construction methods as the parts with which the vehicle was For an overnight warranty repair, the every dealer. Contact your dealer originally built. Genuine GM dealer may provide an available for specific availability. Collision parts are the best choice to courtesy rental vehicle or provide for General Motors reserves the right to ensure that the vehicle's designed reimbursement of a rental vehicle. unilaterally modify, change, appearance, durability, and safety Reimbursement is limited and must or discontinue Courtesy are preserved. The use of Genuine be supported by original receipts as Transportation at any time and to GM parts can help maintain the GM well as a signed and completed resolve all questions of claim New Vehicle Limited Warranty. rental agreement and meet state/ eligibility pursuant to the terms and provincial, local, and rental vehicle conditions described herein at its Recycled original equipment parts provider requirements. sole discretion. may also be used for repair. These Requirements vary and may include parts are typically removed from minimum age requirements, Collision Damage Repair vehicles that were total losses in insurance coverage, credit card, etc. prior crashes. In most cases, the Additional fees such as fuel usage If the vehicle is involved in a parts being recycled are from charges, taxes, levies, usage fees, collision and it is damaged, have the undamaged sections of the vehicle. excessive mileage, or rental usage damage repaired by a qualified A recycled original equipment GM beyond the completion of the repair technician using the proper part may be an acceptable choice to are also your responsibility. equipment and quality replacement maintain the vehicle's originally parts. Poorly performed collision designed appearance and safety It may not be possible to provide a repairs diminish the vehicle resale performance; however, the history of like vehicle as a courtesy rental. value, and safety performance can these parts is not known. Such parts be compromised in subsequent are not covered by the GM New collisions. Vehicle Limited Warranty, and any related failures are not covered by that warranty. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Aftermarket collision parts are also Insuring the Vehicle parts. Read the lease carefully, as available. These are made by you may be charged at the end of Protect your investment in the GM companies other than GM and may the lease for poor quality repairs. vehicle with comprehensive and not have been tested for the vehicle. collision insurance coverage. There As a result, these parts may fit If a Crash Occurs are significant differences in the poorly, exhibit premature durability/ quality of coverage afforded by If there has been an injury, call corrosion problems, and may not various insurance policy terms. emergency services for help. Do not perform properly in subsequent Many insurance policies provide leave the scene of a crash until all collisions. Aftermarket parts are not reduced protection to the GM matters have been taken care of. covered by the GM New Vehicle vehicle by limiting compensation for Move the vehicle only if its position Limited Warranty, and any vehicle damage repairs through the use of puts you in danger, or you are failure related to such parts is not aftermarket collision parts. Some instructed to move it by a police covered by that warranty. insurance companies will not officer. Repair Facility specify aftermarket collision parts. Give only the necessary information When purchasing insurance, we to police and other parties involved GM also recommends that you recommend that you ensure that the in the crash. choose a collision repair facility that vehicle will be repaired with GM For emergency towing see meets your needs before you ever original equipment collision parts. need collision repairs. Your dealer Roadside Assistance If such insurance coverage is not Program 0 315. may have a collision repair center available from your current with GM-trained technicians and insurance carrier, consider switching Gather the following information: state-of-the-art equipment, or be to another insurance carrier. able to recommend a collision repair . Driver name, address, and center that has GM-trained If the vehicle is leased, the leasing telephone number. technicians and comparable company may require you to have . Driver license number. equipment. insurance that ensures repairs with Genuine GM Original Equipment . Owner name, address, and Manufacturer (OEM) parts or telephone number. Genuine Manufacturer replacement . Vehicle license plate number. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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. Vehicle make, model, and original GM parts. Remember, Service Publications model year. recycled parts will not be covered by Ordering Information . Vehicle Identification the GM vehicle warranty. Number (VIN). Insurance pays the bill for the repair, Service Manuals . Insurance company and policy but you must live with the repair. Service Manuals have the diagnosis number. Depending on your policy limits, and repair information on the your insurance company may engines, transmission, axle, . General description of the initially value the repair using suspension, brakes, electrical, damage to the other vehicle. aftermarket parts. Discuss this with steering, body, etc. Choose a reputable repair facility the repair professional, and insist on that uses quality replacement parts. Genuine GM parts. Remember, Service Bulletins See “Collision Parts” earlier in this if the vehicle is leased, you may be Service Bulletins give additional section. obligated to have the vehicle technical service information repaired with Genuine GM parts, If the airbag has inflated, see What needed to knowledgeably service even if your insurance coverage General Motors cars and trucks. Will You See after an Airbag does not pay the full cost. Inflates? 0 70. Each bulletin contains instructions If another party's insurance to assist in the diagnosis and Managing the Vehicle Damage company is paying for the repairs, service of the vehicle. Repair Process you are not obligated to accept a repair valuation based on that Owner Information In the event that the vehicle requires insurance company's collision policy damage repairs, GM recommends Owner publications are written repair limits, as you have no that you take an active role in its specifically for owners and intended contractual limits with that company. repair. If you have a pre-determined to provide basic operational In such cases, you can have control repair facility of choice, take the information about the vehicle. The of the repair and parts choices as vehicle there, or have it towed there. Owner Manual includes the long as the cost stays within Specify to the facility that any Maintenance Schedule for all reasonable limits. required replacement collision parts models. be original equipment parts, either new Genuine GM parts or recycled Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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In-Portfolio: Includes a Portfolio, Or write to: Operation is subject to the following Owner Manual, and Warranty Helm, Incorporated two conditions: Manual. Attention: Customer Service 1. The device may not cause RETAIL SELL PRICE: $35.00 – 47911 Halyard Drive harmful interference. $40.00 (U.S.) plus handling and Plymouth, MI 48170 2. The device must accept any shipping fees. Prices are subject to change without interference received, including Without Pouch: Owner Manual only. notice and without incurring interference that may cause RETAIL SELL PRICE: obligation. Allow ample time for undesired operation of the $25.00 (U.S.) plus handling and delivery. device. shipping fees. All listed prices are quoted in U.S. Changes or modifications to any of funds. Make checks payable in U.S. these systems by other than an Current and Past Models funds. authorized service facility could void Technical Service Bulletins and authorization to use this equipment. Manuals are available for current Radio Frequency and past model GM vehicles. Statement ORDER TOLL FREE: This vehicle has systems that 1-800-551-4123 Monday – Friday operate on a radio frequency that 8:00 AM – 6:00 PM Eastern Time complies with Part 15/Part 18 of the For Credit Card Orders Only Federal Communications (VISA-MasterCard-Discover), see Commission (FCC) rules and with Helm, Inc. at: www.helminc.com. Industry Canada Standards RSS-GEN/210/216/220/251/310, ICES‐001. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

322 Customer Information Reporting Safety To contact NHTSA, you may call Reporting Safety Defects the Vehicle Safety Hotline to General Motors Defects toll-free at 1-888-327-4236 (TTY: 1-800-424-9153); go to http:// In addition to notifying NHTSA (or Reporting Safety Defects www.safercar.gov; or write to: Transport Canada) in a situation like this, notify General Motors. to the United States Administrator, NHTSA Government 1200 New Jersey Avenue, S.E. Call 1-800-521-7300, or write: If you believe that your vehicle Washington, D.C. 20590 Buick Customer Assistance Center P.O. Box 33136 has a defect which could cause You can also obtain other Detroit, MI 48232–5136 a crash or could cause injury or information about motor vehicle death, you should immediately safety from http:// In Canada, call 1-800-263-3777 (English) or 1-800-263-7854 inform the National Highway www.safercar.gov. (French), or write: Traffic Safety Administration (NHTSA) in addition to notifying Reporting Safety Defects General Motors of Canada General Motors. Company to the Canadian Customer Care Centre, Mail Code: If NHTSA receives similar Government CA1-163-005 complaints, it may open an If you live in Canada, and you 1908 Colonel Sam Drive investigation, and if it finds that believe that the vehicle has a safety Oshawa, Ontario L1H 8P7 a safety defect exists in a group defect, notify Transport Canada of vehicles, it may order a recall immediately, and notify General and remedy campaign. Motors of Canada Company. Call However, NHTSA cannot Transport Canada at become involved in individual 1-800-333-0510 or write to: problems between you, your Transport Canada dealer, or General Motors. Road Safety Branch 80 rue Noel Gatineau, QC J8Z 0A1 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Customer Information 323 Vehicle Data Event Data Recorders These data can help provide a better understanding of the Recording and This vehicle is equipped with an circumstances in which crashes and event data recorder (EDR). The injuries occur. Privacy main purpose of an EDR is to Note The vehicle has a number of record, in certain crash or near EDR data are recorded by your computers that record information crash-like situations, such as an air vehicle only if a non-trivial crash about the vehicle’s performance and bag deployment or hitting a road how it is driven. For example, the obstacle, data that will assist in situation occurs; no data are recorded by the EDR under normal vehicle uses computer modules to understanding how a vehicle’s driving conditions and no personal monitor and control engine and systems performed. The EDR is data (e.g., name, gender, age, and transmission performance, to designed to record data related to monitor the conditions for airbag vehicle dynamics and safety crash location) are recorded. However, other parties, such as law deployment and deploy them in a systems for a short period of time, enforcement, could combine the crash, and, if equipped, to provide typically 30 seconds or less. The EDR data with the type of antilock braking to help the driver EDR in this vehicle is designed to control the vehicle. These modules record such data as: personally identifying data routinely acquired during a crash may store data to help the dealer . How various systems in your investigation. technician service the vehicle. vehicle were operating; Some modules may also store data To read data recorded by an EDR, about how the vehicle is operated, . Whether or not the driver and special equipment is required, and such as rate of fuel consumption or passenger safety belts were access to the vehicle or the EDR is average speed. These modules may buckled/fastened; needed. In addition to the vehicle retain personal preferences, such as . How far (if at all) the driver was manufacturer, other parties, such as radio presets, seat positions, and depressing the accelerator and/ law enforcement, that have the temperature settings. or brake pedal; and, special equipment, can read the information if they have access to . How fast the vehicle was traveling. the vehicle or the EDR. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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GM will not access these data or OnStar Terms and Conditions and share it with others except: with the Privacy Statement on the OnStar consent of the vehicle owner or, website. if the vehicle is leased, with the See OnStar Additional consent of the lessee; in response Information 0 330. to an official request by police or similar government office; as part of GM's defense of litigation through Infotainment System the discovery process; or, as If the vehicle is equipped with a required by law. Data that GM navigation system as part of the collects or receives may also be infotainment system, use of the used for GM research needs or may system may result in the storage of be made available to others for destinations, addresses, telephone research purposes, where a need is numbers, and other trip information. shown and the data is not tied to a See the infotainment manual for specific vehicle or vehicle owner. information on stored data and for deletion instructions. OnStar® If the vehicle is equipped with OnStar® and has an active subscription, additional data may be collected through the OnStar system. This includes information about the vehicle’s operation; collisions involving the vehicle; the use of the vehicle and its features; and, in certain situations, the location and approximate GPS speed of the vehicle. Refer to the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

OnStar 325 OnStar Overview Terms, Privacy Statement, and OnStar Software Terms for more details including system limitations at OnStar Overview www.onstar.com (U.S.) or www.onstar.ca (Canada). OnStar Overview ...... 325 The OnStar system status light is OnStar Services next to the OnStar buttons. If the Emergency ...... 326 status light is: Security ...... 326 Navigation ...... 327 = Voice Command Button . Solid Green: System is ready. Connections ...... 327 Q Blue OnStar Button . Flashing Green: On a call. Diagnostics ...... 329 > Red Emergency Button . Red: Indicates a problem. OnStar Additional Information Q OnStar Additional This vehicle may be equipped with a . Off: System is active. Press Information ...... 330 comprehensive, in-vehicle system twice to speak with an OnStar that can connect to an OnStar Advisor. Advisor for Emergency, Security, Navigation, Connections, and Press Q or call 1-888-4ONSTAR Diagnostics Services. OnStar (1-888-466-7827) to speak to an services may require a paid Advisor. subscription and data plan. OnStar Press = to: requires the vehicle battery and electrical system, cellular service, . Make a call, end a call, and GPS satellite signals to be or answer an incoming call. available and operating. OnStar acts . Give OnStar Hands-Free Calling as a link to existing emergency voice commands. service providers. OnStar may collect information about you and . Give OnStar Turn-by-Turn your vehicle, including location Navigation voice commands. information. See OnStar User Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

326 OnStar . Obtain and customize the Wi-Fi® OnStar Services Security hotspot name or SSID and password, if equipped. If equipped, OnStar provides these Emergency services: Press Q to connect to an Emergency Services require an . With Stolen Vehicle Assistance, Advisor to: active, OnStar service plan OnStar Advisors can use GPS to . Verify account information or (excludes Basic Plan). With pinpoint the vehicle and help update contact information. Automatic Crash Response, built-in authorities quickly recover it. sensors can automatically alert a . Get driving directions. . With Remote Ignition Block™, specially trained OnStar Advisor . Receive a Diagnostic check of if equipped, OnStar can block who is immediately connected in to the engine from being restarted. the vehicle's key operating the vehicle to help. systems. . With Stolen Vehicle Slowdown®, Press > for a priority connection to . Receive Roadside Assistance. if equipped, OnStar can work an OnStar Advisor who can contact with law enforcement to . Manage Wi-Fi Settings, emergency service providers, direct gradually slow the vehicle down. if equipped. them to your exact location, and relay important information. Theft Alarm Notification Press > to get a priority connection If equipped, if the doors are locked to an OnStar Advisor available 24/ With OnStar Crisis Assist, specially and the vehicle alarm sounds, a 7 to: trained Advisors are available 24 hours a day, 7 days a week, to notification by text, e-mail, or phone . Get help for an emergency. provide a central point of contact, call will be sent. If the vehicle is . Be a Good Samaritan or assistance, and information during a stolen, an OnStar Advisor can work respond to an AMBER Alert. crisis. with authorities to recover the vehicle. . Get assistance in severe With Roadside Assistance, Advisors weather or other crisis situations can locate a nearby service provider and find evacuation routes. to help with a flat tire, a battery jump, or an empty gas tank. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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Navigation 3. Say “Yes.” System responds: Send Destination to Vehicle “OK, request completed, thank Subscribers can have directions OnStar navigation requires a you, goodbye.” specific OnStar service plan. sent to the vehicle’s navigation screen, if equipped. Q Route Preview Press to receive Turn-by-Turn Q directions or have them sent to the 1. Press =. System responds: Press , then ask the Advisor to vehicle’s navigation screen, “OnStar ready,” then a tone. download directions to the vehicle’s if equipped. navigation system, if equipped. After 2. Say “Route preview.” System the call ends, the navigation screen Turn-by-Turn Navigation responds with the next three will provide prompts to begin driving maneuvers. directions. Routes that are sent to 1. Press Q to connect to an Repeat the navigation screen can only be Advisor. canceled through the navigation 2. Request directions to be 1. Press =. System responds: system. “OnStar ready,” then a tone. downloaded to the vehicle. See www.onstar.com (U.S.) or 3. Follow the voice-guided 2. Say “Repeat.” System www.onstar.ca (Canada). commands. responds with the last direction given, then responds with Connections Using Voice Commands “OnStar ready,” then a tone. During a Planned Route The following OnStar services help Get My Destination with staying connected. Cancel Route 1. Press =. System responds: For coverage maps, see 1. Press =. System responds: “OnStar ready,” then a tone. www.onstar.com (U.S.) or OnStar ready, then a tone. www.onstar.ca (Canada). “ ” 2. Say “Get my destination.” 2. Say “Cancel route.” System System responds with the Ensuring Security responds: Do you want to address and distance to the “ . Change the default passwords destination, then responds with cancel directions?” for the Wi-Fi hotspot and OnStar ready, then a tone. “ ” RemoteLink mobile application. Make these passwords different Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

328 OnStar

from each other and use a 2. The Wi-Fi settings will display . Remotely start/stop the vehicle, combination of letters, numbers, the Wi-Fi hotspot name (SSID), if factory-equipped. and symbols to increase the password, and on some . Lock/unlock doors, if equipped security. vehicles, the connection type with automatic locks. (no Internet connection, 3G, . Change the default name of the . Activate the horn and lamps. SSID (Service Set Identifier). 4G, 4G LTE), and signal quality (poor, good, excellent). This is your network’s name that . Check the vehicle’s fuel level, oil is visible to other wireless 3. To change the SSID or life, or tire pressure, devices. Choose a unique name password, press Q or call if factory-equipped with the Tire Pressure Monitor System. and avoid family names or 1-888-4ONSTAR to connect vehicle descriptions. with an Advisor. . Send directions to the vehicle. ® OnStar Wi-Fi Hotspot (If After initial set-up, your vehicle’s . Locate the vehicle on a map Equipped) Wi-Fi hotspot will connect (U.S. market only). The vehicle may have a built-in automatically to your mobile . Turn the vehicle's Wi-Fi hotspot Wi-Fi hotspot that provides access devices. Manage data usage by on/off, manage settings, and to the Internet and web content at turning Wi-Fi on or off on your monitor data consumption, 4G LTE speed. Up to seven mobile mobile device, using the if equipped. devices can be connected. A data RemoteLink mobile app, or by plan is required. Use the in-vehicle contacting an OnStar Advisor. For OnStar RemoteLink information and compatibility, see controls only when it is safe to OnStar RemoteLink® Mobile App do so. www.onstar.com (U.S.) or (If Equipped) www.onstar.ca (Canada). 1. To retrieve Wi-Fi hotspot Download the OnStar RemoteLink Remote Services information, press =, wait for mobile app to select Apple® iOS, the prompt, then say “Wi-Fi Android™, BlackBerry®, Contact an OnStar Advisor to settings.” On some vehicles, or Windows® mobile devices. unlock the doors or sound the horn touch Wi-Fi Settings on the OnStar Subscribers can access the and flash the lamps. screen. following services from a mobile device: Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

OnStar 329

OnStar AtYourService 2. Say “Call.” System responds: Diagnostics Call. Please say the name or OnStar Advisors can provide offers “ number to call.” Advanced Diagnostics provides a from restaurants and retailers on status of the vehicle’s key systems your route, help locate hotels, 3. Say “911” without pausing. with a monthly e-mail, or by System responds: 911. or book a room. These services “ ” pressing Q. If equipped, Diagnostic vary by market. 4. Say “Call.” System responds: Alerts can be received in real-time OnStar Hands-Free Calling “OK, dialing 911.” via e-mail or text. The Proactive Retrieve My Number Alerts feature (if available) can help Make and receive calls with the predict and alert of potential built-in wireless calling service, = upcoming maintenance issues with which requires available minutes. 1. Press . System responds: “OnStar ready.” select components on the vehicle, Make a Call before they become a problem. 2. Say “My number.” System 1. Press =. System responds: responds: “Your OnStar OnStar can also monitor and report tire pressure, if the vehicle is “OnStar ready.” Hands-Free Calling number is,” then says the number. equipped with a Tire Pressure 2. Say “Call.” System responds: Monitoring System. “Call. Please say the name or End a Call number to call.” Press =. System responds: “Call 3. Say the entire number without ended.” pausing, including a “1” and the area code. System responds: Verify Minutes and Expiration “OK, calling.” Press = and say “Minutes” then Calling 911 Emergency “Verify” to check how many minutes remain and their expiration date. 1. Press =. System responds: “OnStar ready.” Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

330 OnStar OnStar Additional Reactivation for Subsequent . Call TTY 1-877-248-2080. Owners Information . Press Q to speak with an Press Q and follow the prompts to Advisor. In-Vehicle Audio Messages speak to an Advisor as soon as OnStar services cannot work unless Audio messages may play important possible. The Advisor will update the vehicle is in a place where information at the following times: vehicle records and explain OnStar OnStar has an agreement with a service options. . Prior to vehicle purchase. wireless service provider for service How OnStar Service Works in that area. The wireless service Press Q to set up an account. provider must also have coverage, . With the OnStar Basic Plan, Automatic Crash Response, network capacity, reception, and every 60 days. Emergency Services, Crisis Assist, technology compatible with OnStar Stolen Vehicle Assistance, services. Service involving location . After change in ownership and Advanced Vehicle Diagnostics, information about the vehicle cannot at 90 days. Remote Services, Roadside work unless GPS signals are Transferring Service Assistance, Turn-by-Turn available, unobstructed, and Navigation, and Hands-Free Calling compatible with the OnStar Press Q to request account transfer are available on most vehicles. Not hardware. OnStar services may not eligibility information. The Advisor all OnStar services are available work if the OnStar equipment is not can cancel or change account everywhere or on all vehicles. For properly installed or it has not been information. more information, a full description properly maintained. If equipment or of OnStar services, system software is added, connected, Selling/Transferring the limitations, and OnStar User Terms, or modified, OnStar services may Vehicle Privacy Statement, and Software not work. Other problems beyond Call 1-888-4ONSTAR Terms: the control of OnStar — such as (1-888-466-7827) immediately to . Call 1-888-4ONSTAR hills, tall buildings, tunnels, weather, terminate your OnStar services if (1-888-466-7827). electrical system design and the vehicle is disposed of, sold, architecture of the vehicle, damage transferred, or if the lease ends. . See www.onstar.com (U.S.). . See www.onstar.ca (Canada). Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

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to the vehicle in a crash, or wireless access to all OnStar services, Potential Issues phone network congestion or except Virtual Advisor and OnStar OnStar cannot perform Remote jamming may prevent service. Turn-by-Turn Navigation. — Door Unlock or Stolen Vehicle See Radio Frequency OnStar Personal Identification Assistance after the vehicle has Statement 0 321. Number (PIN) been off continuously for 10 days without an ignition cycle. If the Services for People with A PIN is needed to access some vehicle has not been started for Disabilities OnStar services. The PIN will need five days, OnStar can contact Advisors provide services to help to be changed the first time when Roadside Assistance or a locksmith Subscribers with physical disabilities speaking with an Advisor. To to help gain access to the vehicle. and medical conditions. change the OnStar PIN, contact an OnStar Advisor by pressing Q or Global Positioning Press Q to help: calling 1-888-4ONSTAR. System (GPS) . Locate a gas station with an Warranty . Obstruction of the GPS can attendant to pump gas. occur in a large city with tall OnStar equipment may be buildings; in parking garages; . Find a hotel, restaurant, etc., warranted as part of the vehicle around airports; in tunnels and that meets accessibility needs. warranty. underpasses; or in an area with . Provide directions to the closest Languages very dense trees. If GPS signals hospital or pharmacy in urgent are not available, the OnStar situations. The vehicle can be programmed to system should still operate to respond in multiple languages. call OnStar. However, OnStar TTY Users Press Q and ask for an Advisor. could have difficulty identifying OnStar has the ability to Advisors are available in English, the exact location. communicate to deaf, Spanish, and French. Available . In emergency situations, OnStar hard-of-hearing, or speech-impaired languages may vary by country. can use the last stored GPS customers while in the vehicle. The location to send to emergency available dealer-installed TTY responders. system can provide in-vehicle Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

332 OnStar

A temporary loss of GPS can cause to function properly. These systems settings. These updates or changes loss of the ability to send a may not operate if the battery is may also collect personal Turn-by-Turn Navigation route. The discharged or disconnected. information. Such collection is Advisor may give a verbal route or described in the OnStar privacy may ask for a call back after the Add-on Electrical Equipment statement or separately disclosed at vehicle is driven into an open area. The OnStar system is integrated the time of installation. These into the electrical architecture of the updates or changes may also cause Cellular and GPS Antennas vehicle. Do not add any electrical a system to automatically Cellular reception is required for equipment. See Add-On Electrical communicate with GM servers to OnStar to send remote signals to Equipment 0 223. Added electrical collect information about vehicle the vehicle. Do not place items over equipment may interfere with the system status, identify whether or near the antenna to prevent operation of the OnStar system and updates or changes are available, blocking cellular and GPS signal cause it to not operate. or deliver updates or changes. An reception. active OnStar agreement constitutes Vehicle Software Updates consent to these software updates Unable to Connect to OnStar OnStar or GM may remotely deliver or changes and agreement that Message software updates or changes to the either OnStar or GM may remotely If there is limited cellular coverage vehicle without further notice or deliver them to the vehicle. or the cellular network has reached consent. These updates or changes Privacy maximum capacity, this message may enhance or maintain safety, may come on. Press Q to try the security, or the operation of the The complete OnStar Privacy Statement may be found at call again or try again after driving a vehicle or the vehicle systems. www.onstar.com (U.S.), few miles into another cellular area. Software updates or changes may affect or erase data or settings that or www.onstar.ca (Canada). We Vehicle and Power Issues are stored in the vehicle, such as recommend that you review it. If you OnStar Hands-Free Calling name have any questions, call OnStar services require a vehicle tags, saved navigation destinations, 1-888-4ONSTAR (1-888-466-7827) electrical system, wireless service, or pre-set radio stations. Neither and GPS satellite technologies to be or press Q to speak with an OnStar nor GM is responsible for available and operating for features Advisor. Users of wireless any affected or erased data or communications are cautioned that Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

OnStar 333

the privacy of any information sent hereby granted, provided that the or other dealings in this Software via wireless cellular communications above copyright notice and this without prior written authorization of cannot be assured. Third parties permission notice appear in all the copyright holder. may unlawfully intercept or access copies. unzip: transmissions and private THE SOFTWARE IS PROVIDED communications without consent. This is version 2005-Feb-10 of the “AS IS,” WITHOUT WARRANTY OF ANY KIND, EXPRESS OR Info-ZIP copyright and license. The OnStar - Software definitive version of this document Acknowledgements IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES should be available at ftp:// Certain OnStar components include OF MERCHANTABILITY, FITNESS ftp.info-zip.org/pub/infozip/ libcurl and unzip software and other FOR A PARTICULAR PURPOSE license.html indefinitely. third party software. Below are the AND NONINFRINGEMENT OF Copyright (c) 1990-2005 Info-ZIP. All notices and licenses associated with THIRD PARTY RIGHTS. IN NO rights reserved. libcurl and unzip and for other third EVENT SHALL THE AUTHORS OR For the purposes of this copyright party software please see http:// COPYRIGHT HOLDERS BE www.lg.com/global/support/ and license, “Info-ZIP” is defined as LIABLE FOR ANY CLAIM, the following set of individuals: opensource/index and https:// DAMAGES OR OTHER LIABILITY, www.onstar.com/us/en/support/ WHETHER IN AN ACTION OF Mark Adler, John Bush, Karl Davis, getdocuments.html CONTRACT, TORT OR Harald Denker, Jean-Michel Dubois, Jean-loup Gailly, Hunter Goatley, Ed libcurl: OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION Gordon, Ian Gorman, Chris COPYRIGHT AND PERMISSION WITH THE SOFTWARE OR THE Herborth, Dirk Haase, Greg Hartwig, NOTICE USE OR OTHER DEALINGS IN Robert Heath, Jonathan Hudson, Copyright (c) 1996 - 2010, Daniel THE SOFTWARE. Paul Kienitz, David Kirschbaum, Stenberg, . Johnny Lee, Onno van der Linden, Except as contained in this notice, Igor Mandrichenko, Steve P. Miller, All rights reserved. the name of a copyright holder shall Sergio Monesi, Keith Owens, not be used in advertising or George Petrov, Greg Roelofs, Kai Permission to use, copy, modify, otherwise to promote the sale, use and distribute this software for any Uwe Rommel, Steve Salisbury, purpose with or without fee is Dave Smith, Steven M. Schweda, Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

334 OnStar

Christian Spieler, Cosmin Truta, to this condition is redistribution of Info-ZIP. Such altered Antoine Verheijen, Paul von Behren, of a standard UnZipSFX binary versions are further prohibited Rich Wales, Mike White. (including SFXWiz) as part of a from misrepresentative use of self-extracting archive; that is the Zip-Bugs or Info-ZIP e-mail This software is provided “as is,” without warranty of any kind, permitted without inclusion of addresses or of the express or implied. In no event shall this license, as long as the Info-ZIP URL(s). Info-ZIP or its contributors be held normal SFX banner has not 4. Info-ZIP retains the right to use been removed from the binary liable for any direct, indirect, the names “Info-ZIP,”“Zip,” or disabled. incidental, special or consequential “UnZip,”“UnZipSFX,”“WiZ,” damages arising out of the use of or 3. Altered versions–including, but “Pocket UnZip,”“Pocket Zip,” inability to use this software. not limited to, ports to new and “MacZip” for its own Permission is granted to anyone to operating systems, existing source and binary releases. use this software for any purpose, ports with new graphical including commercial applications, interfaces, and dynamic, and to alter it and redistribute it shared, or static library freely, subject to the following versions–must be plainly restrictions: marked as such and must not be misrepresented as being 1. Redistributions of source code the original source. Such must retain the above copyright altered versions also must not notice, definition, disclaimer, be misrepresented as being and this list of conditions. Info-ZIP releases–including, 2. Redistributions in binary form but not limited to, labeling of (compiled executables) must the altered versions with the reproduce the above copyright names “Info-ZIP” (or any notice, definition, disclaimer, variation thereof, including, but and this list of conditions in not limited to, different documentation and/or other capitalizations), “Pocket materials provided with the UnZip,”“WiZ” or “MacZip” distribution. The sole exception without the explicit permission Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Index 335 Index A Airbag System (cont'd) Accessories and What Will You See after an Modifications ...... 226 Airbag Inflates? ...... 70 Accessory Power ...... 177 When Should an Airbag Adaptive Cruise Control ...... 193 Inflate? ...... 68 Adaptive Forward Where Are the Airbags? ...... 67 Lighting (AFL) ...... 149 Airbags Adaptive Forward Lighting Adding Equipment to the (AFL) Light ...... 120 Vehicle ...... 75 Add-On Electrical Equipment . . . 223 Passenger Status Indicator . . . .112 Additional Information Readiness Light ...... 112 OnStar® ...... 330 Servicing Airbag-Equipped Additional Maintenance Vehicles ...... 75 and Care ...... 302 System Check ...... 65 Adjustments Alarm Lumbar, Front Seats ...... 52 Vehicle Security ...... 40 Air Cleaner/Filter, Engine ...... 234 Alert Air Filter, Passenger Lane Change ...... 212 Compartment ...... 160 Side Blind Zone (SBZA) ...... 211 Air Intake ...... 160 All-Season Tires ...... 254 Air Vents ...... 159 All-Wheel Drive ...... 185, 243 Airbag System Antilock Brake System (ABS) . . . 185 Check ...... 76 Warning Light ...... 116 How Does an Airbag Appearance Care Restrain? ...... 69 Exterior ...... 285 Passenger Sensing System . . . .71 Interior ...... 290 What Makes an Airbag Armrest Inflate? ...... 69 Rear Seat ...... 58 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

336 Index

Armrest Storage ...... 97 Brake (cont'd) California (cont'd) Assistance Program, System Warning Light ...... 115 Perchlorate Materials Roadside ...... 315 Brakes ...... 240 Requirements ...... 226 Assistance Systems for Antilock ...... 185 California Driving ...... 205 Assist ...... 187 Proposition Assistance Systems for Fluid ...... 241 65 Warning ...... 226, 242, 280 Parking and Backing ...... 202 System Messages ...... 128 Canadian Vehicle Owners ...... 2 Automatic Braking ...... 163 Capacities and Dimming Mirrors ...... 43 Automatic Forward ...... 208 Specifications ...... 309 Door Locks ...... 37 Braking System Carbon Monoxide Forward Braking ...... 208 Front Pedestrian (FPB) ...... 209 Engine Exhaust ...... 179 Headlamp System ...... 148 Break-In, New Vehicle ...... 172 Trunk ...... 38 Transmission ...... 180 Bulb Replacement ...... 247 Winter Driving ...... 167 Transmission Fluid ...... 233 Headlamp Aiming ...... 245 Cargo Automatic Transmission Headlamps ...... 245 Tie-Downs ...... 97 Manual Mode ...... 184 High Intensity Discharge Caution, Danger, and Warning . . . . 2 Automatic Vehicle (HID) Lighting ...... 245 Center Console Storage ...... 97 Hold (AVH) ...... 188 License Plate Lamps ...... 246 Chains, Tire ...... 272 Taillamps, Turn Signal, Charging B Stoplamps, and Back-up Wireless ...... 104 Battery Lamps ...... 245 Charging System Light ...... 113 Load Management ...... 152 Buying New Tires ...... 268 Check Power Protection ...... 153 Malfunction Indicator Voltage and Charging C Engine Light ...... 113 Messages ...... 128 Calibration ...... 102 Child Restraints Battery - North America . . . .242, 280 California Infants and Young Children . . . . .79 Blade Replacement, Wiper . . . . . 244 Fuel Requirements ...... 216 Lower Anchors and Tethers Brake for Children ...... 84 Parking, Electric ...... 186 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Index 337

Child Restraints (cont'd) Coolant (cont'd) Data Collection (cont'd) Older Children ...... 77 Engine Temperature Gauge . . .110 OnStar ...... 324 Securing ...... 91, 93 Engine Temperature Data Recorders, Event ...... 323 Systems ...... 81 Warning Light ...... 118 Daytime Running Circuit Breakers ...... 248 Cooling System ...... 235 Lamps (DRL) ...... 148 Cleaning Engine Messages ...... 130 Defensive Driving ...... 163 Exterior Care ...... 285 Courtesy Transportation Delayed Locking ...... 36 Interior Care ...... 290 Program ...... 317 Diagnostics Climate Control Systems Cruise Control ...... 191 OnStar® ...... 329 Dual Automatic ...... 155 Light ...... 121 Distracted Driving ...... 162 Clock ...... 102 Messages ...... 129 Dome Lamps ...... 151 Cluster, Instrument ...... 107 Cruise Control, Adaptive ...... 193 Door Collision Damage Repair ...... 318 Cupholders ...... 96 Ajar Light ...... 121 Compact Spare Tire ...... 279 Customer Assistance ...... 314 Ajar Messages ...... 129 Compartments Offices ...... 313 Delayed Locking ...... 36 Storage ...... 96 Text Telephone (TTY) Locks ...... 35 Compass ...... 102 Users ...... 314 Power Locks ...... 36 Messages ...... 128 Customer Information Drive Belt Routing, Engine ...... 310 Connections Service Publications Drive Systems OnStar® ...... 327 Ordering Information ...... 320 All-Wheel Drive ...... 185, 243 Control Customer Satisfaction Driver Assistance Systems . . . . . 201 Traction and Electronic Procedure ...... 311 Driver Information Stability ...... 189 D Center (DIC) ...... 121 Control of a Vehicle ...... 163 Driving Damage Repair, Collision ...... 318 Convenience Net ...... 98 Assistance Systems ...... 205 Danger, Warning, and Caution . . . . 2 Convex Mirrors ...... 42 Characteristics and Data Collection Coolant Towing Tips ...... 219 Infotainment System ...... 324 Engine ...... 235 Defensive ...... 163 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

338 Index

Driving (cont'd) Engine (cont'd) Extender, Safety Belt ...... 63 Drunk ...... 163 Check and Service Engine Exterior Lamp Controls ...... 147 For Better Fuel Economy ...... 24 Soon Light ...... 113 Exterior Lamps Off Reminder . . . 148 Hill and Mountain Roads ...... 166 Compartment Overview ...... 229 F If the Vehicle is Stuck ...... 168 Coolant ...... 235 Features Loss of Control ...... 165 Coolant Temperature Memory ...... 11 Off-Road Recovery ...... 164 Gauge ...... 110 Filter, Vehicle Load Limits ...... 168 Coolant Temperature Engine Air Cleaner ...... 234 Wet Roads ...... 165 Warning Light ...... 118 Flash-to-Pass ...... 148 Winter ...... 167 Cooling System ...... 235 Flashers, Hazard Warning ...... 149 Dual Automatic Climate Cooling System Messages . . . 130 Flat Tire ...... 273 Control System ...... 155 Drive Belt Routing ...... 310 Changing ...... 274 Exhaust ...... 179 E Floor Mats ...... 293 Heater ...... 176 Electric Parking Brake ...... 186 Fluid Oil Life System ...... 232 Electric Parking Brake Light . . . . 115 Automatic Transmission ...... 233 Oil Messages ...... 130 Electrical Equipment, Brakes ...... 241 Oil Pressure Light ...... 119 Add-On ...... 223 Washer ...... 240 Overheated Protection Electrical System Fog Lamps ...... 150 Operating Mode ...... 239 Engine Compartment Fuse Folding Mirrors ...... 43 Overheating ...... 238 Block ...... 248 Forward Automatic Braking . . . . . 208 Power Messages ...... 131 Fuses and Circuit Breakers . . . 248 Forward Collision Alert Running While Parked ...... 180 Instrument Panel Fuse (FCA) System ...... 206 Starting ...... 174 Block ...... 251 Frequency Statement Entry Lighting ...... 152 Overload ...... 247 Radio ...... 321 Equipment, Towing ...... 223 Emergency Front Fog Lamp Event Data Recorders ...... 323 OnStar® ...... 326 Light ...... 120 Exit Lighting ...... 152 Engine Front Pedestrian Braking Extended Parking ...... 179 Air Cleaner/Filter ...... 234 (FPB) System ...... 209 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Index 339

Front Seats Gauges (cont'd) Headlamps (cont'd) Heated and Ventilated ...... 55 Tachometer ...... 109 Lamps On Reminder ...... 121 Fuel ...... 215 Warning Lights and Heated Additives ...... 216 Indicators ...... 106 Steering Wheel ...... 101 Economy Driving ...... 24 General Information Heated and Ventilated Front Filling a Portable Fuel Service and Maintenance . . . . . 295 Seats ...... 55 Container ...... 218 Towing ...... 219 Heated Mirrors ...... 43 Filling the Tank ...... 217 Vehicle Care ...... 226 Heater Foreign Countries ...... 216 Glove Box ...... 96 Engine ...... 176 Gauge ...... 109 GM Mobility Reimbursement High-Beam On Light ...... 120 Low Fuel Warning Light ...... 119 Program ...... 315 High-Speed Operation ...... 261 Requirements, California . . . . . 216 H Hill and Mountain Roads ...... 166 System Messages ...... 131 Hood ...... 228 Hazard Warning Flashers ...... 149 Fuses Horn ...... 101 Head Restraints ...... 50 Engine Compartment Fuse How to Wear Safety Belts Head-up Display ...... 124 Block ...... 248 Properly ...... 59 Headlamps Fuses and Circuit Breakers . . . 248 Adaptive Forward I Instrument Panel Fuse Lighting (AFL) ...... 149 Ignition Positions ...... 172 Block ...... 251 Aiming ...... 245 Immobilizer ...... 41 G Automatic ...... 148 Indicator Garage Door Opener ...... 144 Bulb Replacement ...... 245 Vehicle Ahead ...... 117 Programming ...... 144 Daytime Running Infants and Young Children, Gauges Lamps (DRL) ...... 148 Restraints ...... 79 Engine Coolant Flash-to-Pass ...... 148 Infotainment ...... 154 Temperature ...... 110 High Intensity Discharge Infotainment System ...... 324 Fuel ...... 109 (HID) Lighting ...... 245 Instrument Cluster ...... 107 Odometer ...... 109 High-Beam On Light ...... 120 Interior Rearview Mirrors ...... 44 Speedometer ...... 109 High/Low Beam Changer . . . . . 148 Introduction ...... 2 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

340 Index

J Lap-Shoulder Belt ...... 60 Lights (cont'd) Jump Starting - North LATCH System Flash-to-Pass ...... 148 America ...... 280 Replacing Parts after a Front Fog Lamp ...... 120 Crash ...... 90 High-Beam On ...... 120 K LATCH, Lower Anchors and High/Low Beam Changer . . . . . 148 Key and Lock Messages ...... 131 Tethers for Children ...... 84 Low Fuel Warning ...... 119 Keyless Entry LED Lighting ...... 245 Safety Belt Reminders ...... 111 Remote (RKE) System ...... 27 Light Security ...... 120 Keys ...... 26 Adaptive Forward Lighting Service Electric Parking L (AFL) Light ...... 120 Brake ...... 116 Labeling, Tire Sidewall ...... 255 Lighting StabiliTrak® OFF ...... 117 Lamps Adaptive Forward ...... 149 Tire Pressure ...... 118 Daytime Running (DRL) ...... 148 Entry ...... 152 Traction Control System Dome ...... 151 Exit ...... 152 (TCS)/StabiliTrak® ...... 118 Exterior Controls ...... 147 Illumination Control ...... 151 Traction Off ...... 117 Exterior Lamps Off LED ...... 245 Locks Reminder ...... 148 Lights ...... 116 Automatic Door ...... 37 License Plate ...... 246 Airbag Readiness ...... 112 Delayed Locking ...... 36 Malfunction Indicator ...... 113 Antilock Brake System Door ...... 35 Messages ...... 132 (ABS) Warning ...... 116 Lockout Protection ...... 37 On Reminder ...... 121 Brake System Warning ...... 115 Power Door ...... 36 Reading ...... 151 Charging System ...... 113 Safety ...... 37 Sun Visor ...... 152 Cruise Control ...... 121 Loss of Control ...... 165 Lane Change Alert (LCA) ...... 212 Door Ajar ...... 121 Low Fuel Warning Light ...... 119 Lane Departure Electric Parking Brake ...... 115 Lower Anchors and Tethers Warning (LDW) ...... 213 Engine Coolant for Children (LATCH Lane Keep Assist (LKA) ...... 214 Temperature Warning ...... 118 System) ...... 84 Lane Keep Assist Light ...... 116 Engine Oil Pressure ...... 119 Lumbar Adjustment ...... 52 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Index 341

Lumbar Adjustment (cont'd) Messages (cont'd) N Front Seats ...... 52 Object Detection System . . . . . 132 Navigation ® M Ride Control System ...... 133 OnStar ...... 327 Security ...... 134 Maintenance Net, Convenience ...... 98 Service Vehicle ...... 134 Records ...... 307 New Vehicle Break-In ...... 172 Starting the Vehicle ...... 135 Maintenance and Care O Steering System ...... 135 Additional ...... 302 Object Detection System Tire ...... 135 Maintenance Schedule ...... 296 Messages ...... 132 Transmission ...... 135 Recommended Fluids and Odometer ...... 109 Vehicle ...... 127 Lubricants ...... 305 Off-Road Vehicle Speed ...... 136 Malfunction Indicator Lamp . . . . . 113 Recovery ...... 164 Window ...... 136 Manual Mode ...... 184 Oil Mirrors Massage ...... 55 Engine ...... 230 Automatic Dimming ...... 43 Memory Features ...... 11 Engine Oil Life System ...... 232 Automatic Dimming Memory Seats ...... 53 Messages ...... 130 Rearview ...... 44 Messages Pressure Light ...... 119 Convex ...... 42 Airbag System ...... 134 Older Children, Restraints ...... 77 Folding ...... 43 Battery Voltage and Online Owner Center ...... 314 Heated ...... 43 Charging ...... 128 OnStar ...... 324 Power ...... 43 Brake System ...... 128 OnStar® Additional Tilt in Reverse ...... 44 Compass ...... 128 Information ...... 330 Mirrors, Interior Rearview ...... 44 Door Ajar ...... 129 OnStar® Connections ...... 327 Monitor System, Tire Engine Cooling System ...... 130 OnStar® Diagnostics ...... 329 Pressure ...... 262 Engine Oil ...... 130 OnStar® Emergency ...... 326 Engine Power ...... 131 OnStar® Navigation ...... 327 Fuel System ...... 131 OnStar® Overview ...... 325 Key and Lock ...... 131 OnStar® Security ...... 326 Lamp ...... 132 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

342 Index

Operating Mode Passenger Sensing System . . . . . 71 Rearview Mirrors Overheated Engine Perchlorate Materials Automatic Dimming ...... 44 Protection ...... 239 Requirements, California ...... 226 Reclining Seatbacks ...... 52 Operation Personalization Recommended Fluids and Fog Lamps ...... 150 Vehicle ...... 137 Lubricants ...... 305 Ordering Power Records Service Publications ...... 320 Door Locks ...... 36 Maintenance ...... 307 Outlets Mirrors ...... 43 Recreational Vehicle Towing . . . . 283 Power ...... 103 Outlets ...... 103 Reimbursement Program, Overheated Engine Protection, Battery ...... 153 GM Mobility ...... 315 Protection Operating Mode . . . . 239 Retained Accessory (RAP) . . . 177 Remote Keyless Entry (RKE) Overheating, Engine ...... 238 Seat Adjustment ...... 51 System ...... 27 P Windows ...... 45 Remote Vehicle Start ...... 33 Pregnancy, Using Safety Belts . . . 63 Replacement Bulbs ...... 247 Park Privacy Replacement Parts Shifting Into ...... 177 Vehicle Data Recording ...... 323 Airbags ...... 76 Shifting Out of ...... 178 Program Maintenance ...... 306 Parking Courtesy Transportation ...... 317 Replacing Airbag System ...... 76 Brake and P (Park) Proposition Replacing LATCH System Mechanism Check ...... 243 65 Warning, Parts after a Crash ...... 90 Extended ...... 179 California ...... 226, 242, 280 Replacing Safety Belt System Over Things That Burn ...... 179 Parts after a Crash ...... 64 Parking Assist ...... 202 R Reporting Safety Defects Parking or Backing Radio Frequency Statement . . . . 321 Canadian Government ...... 322 Assistance Systems ...... 202 Reading Lamps ...... 151 General Motors ...... 322 Passenger Airbag Status Rear Seat Armrest ...... 58 U.S. Government ...... 322 Indicator ...... 112 Rear Seats ...... 56 Restraints Passenger Compartment Air Rear Vision Camera (RVC) . . . . . 202 Where to Put ...... 83 Filter ...... 160 Rear Window Sunshade ...... 47 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Index 343

Retained Accessory Safety Defects Reporting (cont'd) Service (cont'd) Power (RAP) ...... 177 General Motors ...... 322 Maintenance, General Reverse Tilt Mirrors ...... 44 U.S. Government ...... 322 Information ...... 295 Ride Control Systems Safety Locks ...... 37 Parts Identification Label . . . . . 308 Messages ...... 133 Safety System Check ...... 64 Publications Ordering Selective ...... 191 Scheduling Appointments ...... 317 Information ...... 320 Roads Seats Scheduling Appointments . . . . . 317 Driving, Wet ...... 165 Head Restraints ...... 50 Vehicle Messages ...... 134 Roadside Assistance Heated and Ventilated Front . . . .55 Service Electric Parking Program ...... 315 Lumbar Adjustment, Front ...... 52 Brake Light ...... 116 Roof Memory ...... 53 Services Sunroof ...... 47 Power Adjustment, Front ...... 51 Special Application ...... 301 Rotation, Tires ...... 266 Rear ...... 56 Servicing the Airbag ...... 75 Routing, Engine Drive Belt ...... 310 Reclining Seatbacks ...... 52 Shifting Running the Vehicle While Securing Child Restraints . . . . 91, 93 Into Park ...... 177 Parked ...... 180 Security Out of Park ...... 178 Light ...... 120 Side Blind Zone Alert (SBZA) . . . 211 S Messages ...... 134 Signals, Turn and Safety Belts ...... 58 OnStar® ...... 326 Lane-Change ...... 150 Care ...... 64 Vehicle ...... 40 Spare Tire Extender ...... 63 Vehicle Alarm ...... 40 Compact ...... 279 How to Wear Safety Belts Selective Ride Control ...... 191 Special Application Services . . . . 301 Properly ...... 59 Service ...... 160 Specifications and Lap-Shoulder Belt ...... 60 Accessories and Capacities ...... 309 Reminders ...... 111 Modifications ...... 226 Speedometer ...... 109 Replacing after a Crash ...... 64 Doing Your Own Work ...... 227 StabiliTrak Use During Pregnancy ...... 63 Engine Soon Light ...... 113 OFF Light ...... 117 Safety Defects Reporting Maintenance Records ...... 307 Start Vehicle, Remote ...... 33 Canadian Government ...... 322 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

344 Index

Starter Switch Check ...... 243 Systems Tires (cont'd) Starting the Engine ...... 174 Driver Assistance ...... 201 Uniform Tire Quality Grading ...... 270 Starting the Vehicle T Messages ...... 135 Wheel Alignment and Tire Tachometer ...... 109 Steering ...... 164 Balance ...... 271 Taillamps Heated Wheel ...... 101 Wheel Replacement ...... 271 Bulb Replacement ...... 245 Wheel Adjustment ...... 100 When It Is Time for New Text Telephone (TTY) Users . . . . 314 Wheel Controls ...... 101 Tires ...... 267 Theft-Deterrent Systems ...... 41 Steering System Messages . . . . . 135 Winter ...... 254 Immobilizer ...... 41 Stoplamps and Back-up Lamps Towing Time ...... 102 Bulb Replacement ...... 245 Driving Characteristics ...... 219 Tires ...... 253 Storage Areas Equipment ...... 223 All-Season ...... 254 Armrest ...... 97 General Information ...... 219 Buying New Tires ...... 268 Center Console ...... 97 Recreational Vehicle ...... 283 Chains ...... 272 Convenience Net ...... 98 Trailer ...... 221 Changing ...... 274 Glove Box ...... 96 Vehicle ...... 283 Compact Spare ...... 279 Storage Compartments ...... 96 Traction Designations ...... 257 Stuck Vehicle ...... 168 Control System (TCS)/ Different Size ...... 269 Sun Visor Lamps ...... 152 StabiliTrak® Light ...... 118 If a Tire Goes Flat ...... 273 Sun Visors ...... 47 Off Light ...... 117 Inspection ...... 266 Sunroof ...... 47 Selective Ride Control ...... 191 Messages ...... 135 Sunshade Traction Control/Electronic Pressure ...... 261 Rear Window ...... 47 Stability Control ...... 189 Pressure Light ...... 118 Symbols ...... 3 Trailer Pressure Monitor Operation . . 263 System Towing ...... 221 Pressure Monitor System . . . . . 262 Forward Collision Transmission Rotation ...... 266 Alert (FCA) ...... 206 Automatic ...... 180 Sidewall Labeling ...... 255 Infotainment ...... 154, 324 Fluid, Automatic ...... 233 Terminology and Definitions . . 258 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) - 2017 - crc - 4/28/16

Index 345

Transmission (cont'd) Vehicle (cont'd) When It Is Time for New Messages ...... 135 Towing ...... 283 Tires ...... 267 Transportation Program, Vehicle Ahead Indicator ...... 117 Where to Put the Restraint ...... 83 Courtesy ...... 317 Vehicle Care Wi-Fi ...... 327 Trunk ...... 38 Tire Pressure ...... 260 Windows ...... 44 Turn and Lane-Change Vehicle Data Recording and Messages ...... 136 Signals ...... 150 Privacy ...... 323 Power ...... 45 Turn Signal Vehicle Hold Windshield Bulb Replacement ...... 245 Automatic ...... 188 Replacement ...... 244 U Vehicle Hold (AVH) Wiper/Washer ...... 101 Automatic ...... 188 Winter Uniform Tire Quality Grading . . . 270 Ventilation, Air ...... 159 Driving ...... 167 Universal Remote System ...... 144 Visors ...... 47 Winter Tires ...... 254 Operation ...... 146 Wiper Blade Replacement ...... 244 Programming ...... 144 W Wireless Charging ...... 104 Using This Manual ...... 2 Warning V Brake System Light ...... 115 Caution and Danger ...... 2 Vehicle Lane Departure (LDW) ...... 213 Alarm System ...... 40 Warning Lights, Gauges, and Canadian Owners ...... 2 Indicators ...... 106 Control ...... 163 Warnings Identification Number (VIN) . . . 308 Hazard Flashers ...... 149 Load Limits ...... 168 Washer Fluid ...... 240 Messages ...... 127 Wheels Personalization ...... 137 Alignment and Tire Balance . . 271 Remote Start ...... 33 Different Size ...... 269 Security ...... 40 Replacement ...... 271 Speed Messages ...... 136