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23180150 C LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Contents Introduction ...... 2 In Brief ...... 5 Keys, Doors, and Windows . . . . . 26 Seats and Restraints ...... 49 Storage ...... 97 Instruments and Controls ...... 100 Lighting ...... 148 Infotainment System ...... 156 Climate Controls ...... 157 Driving and Operating ...... 163 Vehicle Care ...... 226 Service and Maintenance . . . . . 313 Technical Data ...... 326 Customer Information ...... 330 Reporting Safety Defects ...... 341 OnStar ...... 345 Index ...... 355 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 2/3/16

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, , 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 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 Limited” for Buick www.helminc.com, or from: reduce them. 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. 23180150 C Third Printing © 2016 General Motors LLC. All Rights Reserved. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Introduction 3

A circle with a slash through it is a Vehicle Symbol Chart { Danger safety symbol which means “Do Here are some additional symbols Not,”“Do not do this,” or “Do not let Danger indicates a hazard with a that may be found on the vehicle this happen.” high level of risk which will result and what they mean. For more in serious injury or death. information on the symbol, refer to Symbols the Index. The vehicle has components and 9 : Airbag Readiness Light { Warning labels that use symbols instead of text. Symbols are shown along with # : Air Conditioning Warning indicates a hazard that the text describing the operation or ! : Antilock Brake System (ABS) information relating to a specific could result in injury or death. : Audio Controls component, control, message, g or OnStar® (if equipped) gauge, or indicator. $ : Brake System Warning Light Caution M : Shown when the owner manual has additional instructions " : Charging System Caution indicates a hazard that or information. I : Cruise Control could result in property or vehicle * damage. : Shown when the service ` : Do Not Puncture manual has additional instructions or information. ^ : Do Not Service 0 : Shown when there is more B : Engine Coolant Temperature information on another page — O : Exterior Lamps “see page.” g : First Responder _ : Flame/Fire Prohibited # : Fog Lamps Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

4 Introduction

. : Fuel Gauge + : Fuses 3 : High/Low-Beam Changer ( : Heated Steering Wheel j : LATCH System Child Restraints * : Malfunction Indicator Lamp : : Oil Pressure O : Power / : Remote Vehicle Start > : Safety Belt Reminders 7 : Pressure Monitor d : Traction Control/StabiliTrak® a : Under Pressure M : Washer Fluid Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

In Brief 5

Cruise Control ...... 18 Tire Pressure Monitor ...... 24 In Brief Driver Information Engine Oil Life System ...... 24 Center (DIC) ...... 19 E85 or FlexFuel ...... 25 Forward Collision Alert (FCA) Driving for Better Fuel Instrument Panel System ...... 19 Economy ...... 25 Instrument Panel ...... 6 Front Automatic Braking (FAB) Roadside Assistance Initial Drive Information System ...... 19 Program ...... 25 Initial Drive Information ...... 8 Lane Departure Remote Keyless Entry (RKE) Warning (LDW) ...... 19 System ...... 8 Lane Change Alert (LCA) ...... 20 Remote Vehicle Start ...... 8 Rear Vision Camera (RVC) . . . . 20 Door Locks ...... 9 Rear Cross Traffic Alert (RCTA) Release ...... 9 System ...... 20 Windows ...... 9 Parking Assist ...... 20 Seat Adjustment ...... 10 Power Outlets ...... 20 Memory Features ...... 12 Universal Remote System . . . . . 21 Heated and Ventilated Seats . . . 12 Sunroof ...... 21 Head Restraint Adjustment . . . . 13 eAssist Features Safety Belts ...... 13 eAssist® Overview ...... 22 Passenger Sensing System . . . 13 High Voltage Safety Mirror Adjustment ...... 14 Information ...... 22 Steering Wheel Adjustment . . . . 15 Automatic Engine Start/Stop Interior Lighting ...... 15 Feature ...... 22 Exterior Lighting ...... 16 Regenerative Braking ...... 23 Windshield Wiper/Washer ...... 16 Battery ...... 23 Climate Controls ...... 17 Service ...... 23 Transmission ...... 18 Performance and Maintenance Vehicle Features Traction Control/Electronic Infotainment System ...... 18 Stability Control ...... 23 Steering Wheel Controls ...... 18 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

6 In Brief Instrument Panel Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

In Brief 7

1. Exterior Lamp Controls 0 148. 7. Light Sensor. See Automatic 17. Cruise Control 0 195. 0 Fog Lamps 0 151 (If Headlamp System 149. Forward Collision Alert (FCA) Equipped). 8. Infotainment 0 156. System 0 208 (If Equipped). Instrument Panel Illumination 9. Heated and Ventilated Front 18. Release. See Control 0 152. Seats 0 56 (If Equipped). Hood 0 230. Head-Up Display (HUD) 0 126 10. Dual Automatic Climate Control 19. Front Storage 0 98. 0 (If Equipped). System 157. 20. Data Link Connector (DLC) 2. Air Vents 0 161. 11. Parking Brake 0 190. (Out of View). See Malfunction Indicator Lamp (Check Engine 3. Turn Signal Lever. See Turn Traction Control/Electronic 0 and Lane-Change Stability Control 0 192. Light) 114. 0 Signals 151. 12. Shift Lever. See Automatic 4. Instrument Cluster 0 106. Transmission 0 186. Driver Information Center 13. Ignition Positions (Keyless Display. See Driver Information Access) 0 175 or Ignition Center (DIC) 0 123. Positions (Key Access) 0 176. 5. Windshield Wiper/ 14. Steering Wheel Controls 0 101 Washer 0 102. (If Equipped). 6. Hazard Warning Driver Information Center (DIC) Flashers 0 151. Buttons. See Driver Information 0 Lane Departure Warning Center (DIC) 123. (LDW) 0 213 (If Equipped). 15. Horn 0 102. Rear Parking Assist Button (If 16. Steering Wheel Equipped). See Assistance Adjustment 0 101. Systems for Parking or Backing 0 205. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

8 In Brief

Initial Drive 7 : Press and release to initiate vehicle locator. Press and hold for at Information least three seconds to sound the This section provides a brief panic alarm. Press again to cancel overview about some of the the panic alarm. important features that may or may See Keys 0 26 and Remote Keyless not be on your specific vehicle. Entry (RKE) System Operation 0 28. For more detailed information, refer to each of the features which can be Remote Vehicle Start found later in this owner manual. The engine can be started from outside of the vehicle. Remote Keyless Entry With Remote Start Shown Starting the Vehicle (RKE) System Press the button to extend the key. The RKE transmitter may work up to The key can be used for all locks. 1. Press and release Q on the 60 m (197 ft) away from the vehicle. This key is also used for the RKE transmitter. ignition, if the vehicle does not have 2. Immediately press and hold / pushbutton start. for at least four seconds or until K : Press to unlock the driver door the turn signal lamps flash. or all doors. 3. Start the vehicle normally after Q : Press to lock all doors. entering. Lock and unlock feedback can be When the vehicle starts, the parking personalized. lamps will turn on. Y : Press and hold to release the Remote start can be extended. trunk. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

In Brief 9

Canceling a Remote Start Power Door Locks Windows 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. . Turn the vehicle on and then off. Trunk Release See Remote Vehicle Start 0 34. To open the trunk, press and hold Y on the Remote Keyless Door Locks Entry (RKE) transmitter to unlock all To lock or unlock the doors: doors and then press the touch pad above the license plate. Press the switch to lower the . From inside the vehicle, use the To open the trunk from inside the window. Pull the switch up to door lock knob or the power raise it. door lock controls. Pull once on vehicle, press the trunk release the door handle to unlock it, and button on the driver door. The See Power Windows 0 45. a second time to open it. vehicle must be in P (Park) or off. See Trunk 0 38. . From outside, use the key, or press Q or K on the Remote Keyless Entry (RKE) transmitter. See Remote Keyless Entry (RKE) System Operation 0 28. See Door Locks 0 35. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

10 In Brief

Seat Adjustment Seat Height Adjuster Power Seats Manual Seats

Press and hold the top or bottom of To adjust the seat: the switch to raise or lower the seat. . Move the seat forward or To adjust a manual seat: Release the switch when the rearward by moving the control desired height is reached. 1. Pull the handle at the front of forward or rearward. the seat. See Seat Adjustment 0 52. . Raise or lower the front part of 2. Slide the seat to the desired the seat cushion by moving the position and release the front of the control up or down. handle. . Raise or lower the entire seat by 3. Try to move the seat back and moving the rear of the control up forth to be sure it is locked in or down. place. See Adjustment 0 53. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

In Brief 11

Lumbar Adjustment Reclining Seatbacks To return the seatback to the upright position: Manual Reclining Seatbacks 1. Lift the lever fully without applying pressure to the seatback, and the seatback will return to the upright position. 2. Push and pull on the seatback to make sure it is locked. Power Reclining Seatbacks

To adjust the lumbar support: . Press and hold the front or rear To recline a manual seatback: of the control to increase or decrease lumbar support. 1. Lift the lever. 2. Move the seatback to the . If equipped, press and hold the top or bottom of the control to desired position, and then raise or lower lumbar support. release the lever to lock the seatback in place. See Lumbar Adjustment 0 53. 3. Push and pull on the seatback To adjust a power seatback: to make sure it is locked. . Tilt the top of the control rearward to recline. . Tilt the top of the control forward to raise. See Reclining Seatbacks 0 54. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

12 In Brief

Memory Features vehicle. The positions recalled are be on. If the climate control system those previously stored to the 1 or 2 is off, press the O button to turn buttons. it on. See Memory Seats 0 55 and Press M or L to heat the driver or Vehicle Personalization 0 139. passenger seat cushion and Heated and Ventilated seatback. Seats Press C or {, if equipped, to ventilate the driver or passenger seat. A ventilated seat has a fan that pulls or pushes air through the seat. The air is not cooled. Press the button once for the highest setting. With each press of If equipped, the 1, 2, and SET the button, the seat will change to buttons on the driver door are used the next lower setting, and then to to manually store and recall the the off setting. The lights near the driver seat, and outside mirror heated or ventilated seat symbol on positions. the display indicate three for the Automatic Memory Recall and/or highest setting and one for the lowest. Easy Exit Recall features may be Heated and Ventilated Seat enabled in the personalization Buttons Shown, Heated Seat See Heated and Ventilated Front menus to automatically recall Buttons Similar Seats 0 56. positions stored to the 1, 2, and B buttons. These features allow the If available, the buttons are part of seat, and outside mirrors positions the climate control system on the to automatically recall upon turning center stack. To operate, the ignition the ignition on or off upon exiting the and the climate control system must Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

In Brief 13

Head Restraint Refer to the following sections for important information on how to use Adjustment safety belts properly: Do not drive until the head restraints . Safety Belts 0 59. for all occupants are installed and adjusted properly. . How to Wear Safety Belts Properly 0 60. To achieve a comfortable seating Canada and Mexico . Lap-Shoulder Belt 0 61. position, change the seatback The passenger sensing system recline angle as little as necessary . Lower Anchors and Tethers for turns off the front outboard while keeping the seat and the head Children (LATCH System) 0 84. passenger frontal airbag under restraint height in the proper certain conditions. No other airbag position. Passenger Sensing is affected by the passenger See Head Restraints 0 50 and Seat System sensing system. 0 Adjustment 52. The passenger airbag status indicator will be visible on the Safety Belts overhead console when the vehicle is started. See Passenger Sensing System 0 71 for important information. United States Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

14 In Brief

Mirror Adjustment Manual Folding Mirrors Automatic Dimming Rearview Mirror Exterior The outside mirrors can be folded inward to prevent damage when If equipped, automatic dimming going through an automatic reduces the glare of the 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 to return it to the original position. Automatic Dimming Rearview 0 See Folding Mirrors 0 44. Mirror 45. Vehicles with OnStar® have three Automatic Dimming Feature control buttons at the bottom of the If equipped, the driver outside mirror mirror. See your dealer for more automatically dims to reduce the information on the system and how glare of headlamps from behind. to subscribe to OnStar. See OnStar 0 See Power Mirrors 0 43. Overview 345. Interior To adjust the mirrors: Adjust the rearview mirror for a clear 1. Turn the control knob to select view of the area behind your the L (Left) or R (Right) mirror. vehicle. 2. Push the control knob left, Manual Rearview Mirror right, up, or down to adjust the mirror. If equipped, push the tab forward for daytime use and pull it for nighttime Vehicles with the memory feature use to avoid glare from headlamps. can store a preferred mirror position. See Manual Rearview Mirror 0 44. See Memory Seats 0 55 and Power Mirrors 0 43. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

In Brief 15

Steering Wheel Interior Lighting Reading Lamps Adjustment Dome Lamps There are front and rear reading lamps. The interior lamps control in the overhead console controls both the front and rear interior lamps.

To adjust the steering wheel: The front reading lamps are in the 1. Pull the lever down. overhead console. 2. Move the steering wheel up or down. ( : Turns the lamps off. 3. Pull or push the steering wheel H : Turns the lamps on when any closer or away from you. door is opened. 4. Pull the lever up to lock the ' : Keeps the lamps on all steering wheel in place. the time. Do not adjust the steering wheel while driving. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

16 In Brief

The exterior lamp control is on the Windshield Wiper/Washer instrument panel on the outboard side of the steering wheel. Turn the control to the following positions: O : Turns off the exterior lamps. The knob returns to the AUTO position after it is released. Turn to The rear reading lamps are in the off again to reactivate the The windshield wiper/washer lever headliner. AUTO mode. is on the right side of the steering column. # or $ : Press to turn each lamp AUTO : Automatically turns the on or off. exterior lamps on and off, With the ignition in ACC/ depending on outside lighting. ACCESSORY or ON/RUN/START, For more information, see Dome move the lever to select the wiper Lamps 0 152. ; : Turns on the parking lamps, together with the sidemarker lamps, speed. Exterior Lighting taillamps, license plate lamps, and HI : Use for fast wipes. instrument panel lights. LO : Use for slow wipes. 2 : Turns on the headlamps, together with the parking lamps, sidemarker lamps, taillamps, license plate lamps, and instrument panel lights. For more information, see: . Exterior Lamp Controls 0 148. . Daytime Running Lamps (DRL) 0 149. . Fog Lamps 0 151. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

In Brief 17

INT : Move the lever up to INT for Climate Controls intermittent wipes, then turn the x INT band up for more The heating, cooling, and ventilation for the vehicle can be controlled with frequent wipes or down for less this system. frequent wipes. OFF : Use to turn the wipers off. 1X : For a single wipe, briefly move the lever down. For several wipes, hold the lever down. n L : Pull the lever toward you to spray and activate the wipers. See Windshield Wiper/ Washer 0 102.

1. Driver and Passenger 5. Defrost Temperature Controls 6. SYNC (Synchronized 2. Heated and Ventilated Front Temperature) Seats 7. AUTO (Automatic Operation) 3. Fan Control 8. Rear Window Defogger 4. Air Delivery Mode Controls Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

18 In Brief 9. Recirculation/Auto Vehicle Features Cruise Control Recirculation 10. A/C (Air Conditioning) Infotainment System 11. Power See the infotainment manual for See Dual Automatic Climate Control information on the radio, audio System 0 157. players, phone, navigation system, Rear Seat Entertainment (RSE), Transmission and voice or speech recognition. It also includes information on Automatic Transmission settings. Driver Shift Control (DSC) Steering Wheel Controls Driver Shift Control (DSC) allows shifting an automatic transmission The infotainment system can be similar to a manual transmission. operated by using the steering 5 : Press to turn cruise control on DSC can be enabled through the wheel controls. See "Steering or off. A white indicator comes on in shift lever. See Manual Mode 0 188. Wheel Controls" in the infotainment 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 active, use to increase vehicle speed. SET− : Press the control down briefly to set the speed and activate cruise control. If cruise control is already active, use to decrease vehicle speed. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

In Brief 19

* : Press to disengage cruise S or T : Press S to open Front Automatic Braking control without erasing the set application menus on the left. (FAB) System speed from memory. Press T to open interaction menus If the vehicle has Adaptive Cruise See Cruise Control 0 195 and on the right. 0 Control (ACC), it also has FAB, Adaptive Cruise Control 197 (if V : 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) 0 123. direction that you may be about to crash into, it can provide a boost to The DIC display is in the instrument Forward Collision Alert braking or automatically brake the cluster. It shows the status of many vehicle. This can help avoid or vehicle systems. (FCA) System lessen the severity of crashes when If equipped, FCA may help avoid or driving in a forward gear. reduce the harm caused by See Front Automatic Braking (FAB) front-end crashes. FCA provides a System 0 210. green indicator, V, when a vehicle is detected ahead. This indicator Lane Departure displays amber if you follow a Warning (LDW) vehicle much too closely. When approaching a vehicle ahead too If equipped, LDW may help avoid quickly, FCA provides a flashing red unintentional lane departures at alert on the windshield and rapidly speeds of 56 km/h (35 mph) or beeps or pulses the driver seat. greater. LDW uses a camera sensor to detect the lane markings. The See Forward Collision Alert (FCA) @ System 0 208. LDW light, , is green if a lane y or z : Press to move up or marking is detected. If the vehicle down in a list. departs the lane, the light will Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

20 In Brief

change to amber and flash. In Rear Vision avoiding objects while in addition, beeps will sound or the R (Reverse). It operates at speeds driver seat will pulse. Camera (RVC) less than 8 km/h (5 mph). RPA may See Lane Departure Warning If equipped, RVC displays a view of display a warning triangle on the (LDW) 0 213. the area behind the vehicle on the Rear Vision Camera screen and/or center stack display when the a graphic on the instrument cluster vehicle is shifted into R (Reverse) to to provide the object distance. In Lane Change Alert (LCA) aid with parking and low-speed addition, multiple beeps may occur If equipped, the LCA system is a backing maneuvers. if very close to an object. lane-changing aid that assists See Assistance Systems for Parking See Assistance Systems for Parking drivers with avoiding lane change or Backing 0 205. or Backing 0 205. crashes that occur with moving vehicles in the side blind zone (or spot) areas or with vehicles rapidly Rear Cross Traffic Alert Power Outlets approaching these areas from (RCTA) System The accessory power outlets can be behind. The LCA warning display If equipped, the RCTA system uses used to plug in electrical equipment, will light up in the corresponding a triangle with an arrow displayed such as a cell phone or MP3 player. outside side mirror and will flash if on the RVC screen to warn of traffic There are two accessory power the turn signal is on. The Side Blind behind your vehicle that may cross outlets: one under the armrest Zone Alert (SBZA) system is your vehicle's path while in inside the center console storage, included as part of the LCA system. R (Reverse). In addition, beeps will and one on the rear of the center See Side Blind Zone Alert (SBZA) sound, or the driver seat will pulse. floor console. 0 211 and Lane Change Alert 0 See Assistance Systems for Parking Open the protective cover to use the (LCA) 211. or Backing 0 205. accessory power outlet. 0 Parking Assist See Power Outlets 103. If equipped, Rear Parking Assist (RPA) uses sensors on the rear to assist with parking and Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

In Brief 21

Universal Remote System See Universal Remote Vent : Press the rear of the System 0 145. switch (2) to the first detent to vent the sunroof. Press the front of the Sunroof switch (1) to the second detent to close the sunroof. Express-open/Express-close : To express-open the sunroof, fully press and release the rear of the switch (2). To express-close, fully press and release the front of the switch (1). To stop the sunroof partway, press either switch a second time. The sunshade opens automatically If equipped, these buttons in the with the sunroof. overhead console provide a way to To express-open the sunshade, fully replace up to three remote control press and release the rear of the transmitters used to activate On vehicles with a sunroof, the switch (3). To stop the sunshade devices such as garage door switches are located on the partway, press the switch a second openers, security systems, and overhead console. time. To express-close, fully press home automation devices. The ignition must be in ON/RUN or and release the front of the Read the instructions completely ACC/ACCESSORY, or Retained switch (4). To stop the sunshade before attempting to program the Accessory Power (RAP) must be partway, press the switch a Universal Remote system. Because active. See Retained Accessory second time. 0 of the steps involved, it may be Power (RAP) 183. See Sunroof 0 47. helpful to have another person available to assist with programming the Universal Remote system. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

22 In Brief eAssist Features This vehicle has a Hill Start Assist High Voltage Safety (HSA) feature, which may be useful Information ® when the vehicle is stopped on a eAssist Overview grade. See Hill Start Assist Vehicles with eAssist have a If the vehicle has eAssist, there are (HSA) 0 192. standard 12-volt battery and a high several additional features that Vehicles with eAssist include an voltage battery. Only a trained contribute to increased efficiency. AUTO STOP indicator on the service technician with the proper knowledge and tools should inspect, Vehicles with eAssist have an tachometer. See Instrument test, or replace the high voltage automatic engine start/stop feature. Cluster 0 106. battery. See your dealer if the high This feature saves fuel by shutting The eAssist system uses a high voltage battery needs service. the engine off when the vehicle is voltage battery, which is cooled with stopped. When the engine shuts off air drawn from the vehicle interior. In emergency situations, first automatically, all the accessories responders can cut the two clearly will continue to operate normally. In labeled cut points in the engine very hot or cold conditions, the compartment to disable the high engine may not shut off. See voltage battery and air bag systems. Starting the Engine 0 178. Do not cut the high voltage cable. There are two air conditioning settings available. The comfort Automatic Engine Start/ setting maximizes cabin comfort. Stop Feature The eco setting maximizes Vehicles with eAssist have an efficiency allowing more frequent, automatic engine start/stop feature. and longer engine stops than the After the engine is started and has comfort setting. See Dual Automatic 0 reached operating temperature, the Climate Control System 157. auto stop feature may cause the The cold air intake for the battery is engine to turn off when the brake located behind the rear seat, on the pedal is applied and the vehicle filler panel. Do not cover the intake. comes to a complete stop. When See Battery - North America 0 250. the brake pedal is released, or the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

In Brief 23 accelerator pedal is applied, the Battery Performance and engine will restart. The engine will continue to run until the next This vehicle has a standard 12-volt Maintenance auto stop. battery. Refer to the replacement number on the original battery label Traction Control/ AUTO STOP on the tachometer when a new standard 12-volt battery signifies that the engine is in auto is needed. Electronic Stability stop mode. See Tachometer 0 109 Control for more information. A chime will Vehicles with eAssist also have a sound when the driver door is high voltage battery. Only a trained The traction control system limits opened while in auto stop mode. service technician with the proper wheel spin. The system turns on Remember to shift to P (Park) and knowledge and tools should inspect, automatically every time the vehicle turn the ignition to LOCK/OFF test, or replace the high voltage is started. before exiting the vehicle. battery. See your dealer if the high voltage battery needs service. See . To turn off traction control, press 0 See Starting the Engine 178. Battery - North America 0 250. and release the Traction Control System (TCS)/StabiliTrak button Regenerative Braking Service on the center console behind the shift lever. i illuminates and the Regenerative braking takes some of Never try to do your own service on appropriate DIC message is the energy from the moving vehicle eAssist components. You can be and turns it into electrical energy. displayed. See Ride Control injured and the vehicle can be System Messages 0 136. This energy is then stored in the damaged if you try to do your own vehicle's high voltage battery service work. Service and repair of . Press and release the TCS/ system, contributing to increased these high voltage components StabiliTrak button again to turn fuel efficiency. should only be performed by a on traction control. The system works whenever the trained service technician with the . To turn off both TCS and accelerator pedal is released, and proper knowledge and tools. See StabiliTrak, press and hold the increases the energy captured as Doing Your Own Service TCS/StabiliTrak button on the more brake pedal is applied. Work 0 229. center console behind the shift lever, until i and g illuminate Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

24 In Brief

and the appropriate DIC Vehicle Load Limits 0 171. The Resetting the Oil Life System message is displayed. See Ride warning light will remain on until the 1. Using the DIC controls on the Control System tire pressure is corrected. 0 right side of the steering wheel, Messages 136. The low tire pressure warning light display REMAINING OIL LIFE . Press and release the TCS/ may come on in cool weather when on the DIC. See Driver StabiliTrak button to turn on both the vehicle is first started, and then Information Center (DIC) 0 123. systems. turn off as the vehicle is driven. This When remaining oil life is low, See Traction Control/Electronic may be an early indicator that the the CHANGE ENGINE OIL Stability Control 0 192. tire pressures are getting low and SOON message will appear on the need to be inflated to the the display. See Engine Oil 0 Tire Pressure Monitor proper pressure. Messages 133. The TPMS does not replace normal 2. Press V on the DIC controls This vehicle may have a Tire monthly tire maintenance. Maintain Pressure Monitor System (TPMS). and hold down for a few the correct tire pressures. seconds to clear the CHANGE See Tire Pressure Monitor ENGINE OIL SOON message System 0 273. and reset the oil life at 100%. Be careful not to reset the oil Engine Oil Life System life display accidentally at any The engine oil life system calculates time other than after the oil is engine oil life based on vehicle use changed. It cannot be reset The low tire pressure warning light and displays the CHANGE ENGINE accurately until the next oil alerts to a significant loss in OIL SOON message when it is time change. pressure of one of the vehicle's to change the engine oil and filter. See Engine Oil Life System 0 238. tires. If the warning light comes on, The oil life system should be reset stop as soon as possible and inflate to 100% only following an oil the tires to the recommended change. pressure shown on the Tire and Loading Information label. See Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

In Brief 25

E85 or FlexFuel . Keep vehicle tires properly inflated. Vehicles with a yellow fuel cap can use either unleaded gasoline or . Combine several trips into a ethanol fuel containing up to 85% single trip. ethanol (E85). See E85 or FlexFuel . Replace the vehicle's tires with 0 217. For all other vehicles, use the same TPC Spec number only the unleaded gasoline molded into the tire's sidewall described under Fuel 0 215. near the size. . Follow recommended scheduled Driving for Better Fuel maintenance. Economy Driving habits can affect fuel Roadside Assistance mileage. Here are some driving tips Program to get the best fuel economy U.S.: 1-800-252-1112 possible. TTY Users (U.S. Only): . Avoid fast starts and accelerate 1-888-889-2438 smoothly. Canada: 1-800-268-6800 . Brake gradually and avoid abrupt stops. New Buick owners are automatically enrolled in the Roadside Assistance . Avoid idling the engine for long Program. periods of time. See Roadside Assistance . When road and weather Program 0 334. conditions are appropriate, use cruise control. . Always follow posted speed limits or drive more slowly when conditions require. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

26 Keys, Doors, and Windows Exterior Mirrors Keys and Locks Keys, Doors, and Convex Mirrors ...... 43 Windows Power Mirrors ...... 43 Folding Mirrors ...... 44 Keys Heated Mirrors ...... 44 Keys and Locks Reverse Tilt Mirrors ...... 44 { Warning Keys ...... 26 Interior Mirrors Remote Keyless Entry (RKE) Leaving children in a vehicle with Interior Rearview Mirrors ...... 44 an ignition key or Remote System ...... 28 Manual Rearview Mirror ...... 44 Remote Keyless Entry (RKE) Keyless Entry (RKE) transmitter is Automatic Dimming Rearview dangerous and children or others System Operation ...... 28 Mirror ...... 45 Remote Vehicle Start ...... 34 could be seriously injured or Door Locks ...... 35 Windows killed. They could operate the Power Door Locks ...... 36 Windows ...... 45 or other controls or Delayed Locking ...... 36 Power Windows ...... 45 make the vehicle move. The Automatic Door Locks ...... 37 Sun Visors ...... 47 windows will function with the key Lockout Protection ...... 37 Rear Window Sunshade ...... 47 in the ignition or with the RKE Safety Locks ...... 37 transmitter in the vehicle, and Roof children or others could be caught Doors Sunroof ...... 47 Trunk ...... 38 in the path of a closing window. Do not leave children in a vehicle Vehicle Security with the ignition key or an RKE Vehicle Security ...... 40 transmitter. Vehicle Alarm System ...... 40 Immobilizer ...... 41 Immobilizer Operation (Key Access) ...... 41 Immobilizer Operation (Keyless Access) ...... 42 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Keys, Doors, and Windows 27

Warning (Continued)

impacted, and airbags may not deploy. To reduce the risk of unintentional rotation of the ignition key, do not change the way the ignition key and Remote Keyless Entry (RKE) transmitter, if equipped, are connected to the provided key rings.

If the vehicle is equipped with a Interference from radio-frequency { Warning keyed ignition, the ignition key, key identification (RFID) tags may rings, and RKE transmitter, If the key is unintentionally prevent the key from starting the if equipped, are designed to work rotated while the vehicle is vehicle. Keep RFID tags away from together. As a system, it reduces the key when starting the vehicle. running, the ignition could be the risk of unintentionally moving moved out of the RUN position. the key out of the RUN position. The key that is part of the RKE This could be caused by heavy If replacements or additions are transmitter can be used for the items hanging from the key ring, required, see your dealer. Limit ignition and all locks if the vehicle is or by large or long items attached added items to a few essential keys a key access vehicle. If the vehicle to the key ring that could be or small, light items no larger than has the keyless ignition, the key can contacted by the driver or an RKE transmitter. be used for the locks. steering wheel. If the ignition moves out of the RUN position, the engine will shut off, braking and steering power assist may be (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

28 Keys, Doors, and Windows

With an active OnStar subscription, Remote Keyless Entry an OnStar Advisor may remotely unlock the vehicle. See OnStar (RKE) System Operation Overview 0 345. The Keyless Access system allows for vehicle entry when the Remote Keyless Entry transmitter is within range. See (RKE) System “Keyless Access Operation” later in this section. See Radio Frequency The transmitter functions may work Statement 0 341. up to 60 m (197 ft) away from the If there is a decrease in the RKE vehicle. operating range: Other conditions can impact the Press the button on the RKE . Check the distance. The performance of the transmitter. transmitter to extend the key. Press transmitter may be too far from the button and the key blade to the vehicle. retract the key. . Check the location. Other If it becomes difficult to turn the key vehicles or objects may be in a vehicle lock, inspect the key blocking the signal. blade for debris. Periodically clean with a brush or pick. . Check the transmitter's battery. See “Battery Replacement” later See your dealer if a new key is in this section. needed. . If the transmitter is still not If locked out of the vehicle, see working correctly, see your Roadside Assistance dealer or a qualified technician Program 0 334. for service.

Q (Lock) : Press to lock all doors. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Keys, Doors, and Windows 29

The turn signal indicators may flash 7 (Vehicle Locator/Panic should be within 1 m (3 ft) of the and/or the horn may sound on the Alarm) : Press and release to door or trunk being opened. If the second press to indicate locking. initiate vehicle locator. The exterior vehicle has this feature, there will be See Vehicle Personalization 0 139. lamps flash and the horn chirps buttons on the outside of the door handles. If the driver door is open when Q is three times. pressed, all doors lock except the Press and hold 7 for at least Keyless Access can be programmed to unlock all doors on driver door, if enabled through the three seconds to sound the panic the first unlock/lock button press vehicle personalization. alarm. The horn sounds and the from the driver door. See Vehicle If the passenger door is open when turn signals flash until 7 is pressed Personalization 0 139. Q is pressed, all doors lock. again or the vehicle is started. Keyless Unlocking/Locking from Pressing Q may also arm the / (Remote Vehicle Start) : the Driver Door theft-deterrent system. See Vehicle If equipped, press and release Q When the doors are locked and the Alarm System 0 40. and then immediately press and RKE transmitter is within 1 m (3 ft) K (Unlock) : Press to unlock the hold / for at least four seconds to of the driver door handle, pressing driver door or all doors. See Vehicle start the engine from outside the the lock/unlock button on the driver Personalization 0 139. vehicle using the RKE transmitter. door handle will unlock the driver See Remote Vehicle Start 0 34. The turn signal indicators may flash door. If the lock/unlock button is to indicate unlocking. See Vehicle The RKE transmitter buttons will not pressed again within five seconds, Personalization 0 139. operate when the key is in the all passenger doors will unlock. ignition. Pressing K will disarm the theft-deterrent system. See Vehicle Keyless Access Operation 0 Alarm System 40. If equipped with a Keyless Access Y (Remote Trunk Release) : system, it allows for locking and Press and hold to release the trunk. unlocking the doors and accessing the trunk without removing the RKE transmitter from your pocket, purse, briefcase, etc. The RKE transmitter Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

30 Keys, Doors, and Windows

Keyless Unlocking/Locking from transmitter inside the vehicle. Do Passenger Doors not leave the RKE transmitter in an When the doors are locked and the unattended vehicle. RKE transmitter is within 1 m (3 ft) Temporary Disable of Passive of the door handle, pressing the Locking Feature lock/unlock button on that door handle will unlock all doors. Temporarily disable the passive locking by pressing and holding K Pressing the lock/unlock button will on the interior door switch with a cause all doors to lock if any of the door open for at least four seconds, following occur: or until three chimes are heard. . The lock/unlock button was used Passive locking will then remain Driver Side Shown, Passenger to unlock all doors. disabled until Q on the interior door Similar . Any vehicle door has opened is pressed, or until the vehicle is Pressing the lock/unlock button will and all doors are now closed. turned on. cause all doors to lock if any of the Passive Locking To customize the doors to following occur: automatically lock when exiting the If equipped with Keyless Access, . It has been more than vehicle, see Vehicle the vehicle will lock several seconds Personalization 0 139. five seconds since the first lock/ after all doors are closed if the unlock button press. vehicle is off and at least one Keyless Trunk Opening . Two lock/unlock button presses transmitter has been removed or Lift up on the touch pad above the were used to unlock all doors. none remain in the interior. license plate to open the trunk if the . Any vehicle door has opened If other electronic devices interfere RKE transmitter is within 1 m (3 ft). and all doors are now closed. with the RKE transmitter signal, the vehicle may not detect the RKE transmitter inside the vehicle. If passive locking is enabled, the doors may lock with the RKE Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Keys, Doors, and Windows 31

Programming Transmitters to The security light will turn off 3. Wait 10 minutes until the the Vehicle once the key has been security light turns off. programmed. Only RKE transmitters programmed 4. Turn the ignition to LOCK/OFF. 4. Repeat Steps 1 3 if additional to the vehicle will work. If a – 5. Repeat Steps 2–4 two more transmitter is lost or stolen, a keys are to be programmed. times. After the third time, turn replacement can be purchased and If a key is lost or damaged, see your to ON/RUN; the key is learned programmed through your dealer. dealer to have a new key made. and all previously known keys The vehicle can be reprogrammed will no longer work with the so that lost or stolen transmitters no Programming without a vehicle. longer work. Any remaining Recognized Transmitter (Key transmitters will need to be Vehicles Only) Remaining keys can be learned by following the procedure in reprogrammed. Each vehicle can Program a new key to the vehicle Programming with a Recognized have up to eight transmitters when a recognized key is not “ Transmitter (Key Vehicles Only). matched to it. available. Canadian regulations ” Programming with a Recognized require that owners see their dealer. Programming with a Recognized Transmitter (Key Vehicles Only) If there are no currently recognized Transmitter (Keyless Access Vehicles Only) To program a new key: keys available, follow this procedure to program the first key. A new transmitter can be 1. Insert the original, already programmed to the vehicle when programmed key in the ignition This procedure will take approximately 30 minutes to there is one recognized transmitter. and turn the key to the ON/ To program, the vehicle must be off RUN position. complete for the first key. The vehicle must be off and all of the and all of the transmitters, both 2. Turn the key to LOCK/OFF and keys you wish to program must be currently recognized and new, must remove the key. with you. be with you. 3. Insert the new key to be 1. Insert the new vehicle key into 1. Place the recognized programmed and turn it to the the ignition. transmitter(s) in the cupholder. ON/RUN position within five seconds. 2. Turn to ON/RUN. The security light will come on. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

32 Keys, Doors, and Windows

2. Insert the vehicle key of the 4. Press the ENGINE START/ 1. Insert the vehicle key of the new transmitter into the key STOP button. When the transmitter into the key lock lock cylinder on the outside of transmitter is learned, the DIC cylinder on the outside of the the driver door and turn the key will show that it is ready to driver door and turn the key to to the unlock position five times program the next transmitter. the unlock position five times within 10 seconds. 5. Remove the transmitter from within 10 seconds. The Driver Information Center the transmitter pocket and The Driver Information Center (DIC) displays READY FOR press K. (DIC) displays REMOTE REMOTE #2, 3, 4 or 5. LEARN PENDING, To program additional PLEASE WAIT. transmitters, repeat Steps 3–5. 2. Wait for 10 minutes until the When all additional transmitters DIC displays PRESS ENGINE are programmed, press and START BUTTON TO LEARN hold the ignition for 12 seconds and then press the ignition. to exit programming mode. The DIC display will again Programming without a show REMOTE LEARN Recognized Transmitter (Keyless PENDING, PLEASE WAIT. Access Vehicles Only) 3. Repeat Step 2 two additional If there are no currently recognized times. After the third time, all transmitters available, follow this previously known transmitters procedure to program up to eight will no longer work with the transmitters. This feature is not 3. Place the new transmitter into vehicle. Remaining transmitters available in Canada. This procedure the transmitter pocket inside can be relearned during the will take approximately 30 minutes the armrest storage area. next steps. to complete. The vehicle must be off and all of the transmitters you wish The DIC display should now to program must be with you. show READY FOR REMOTE #1. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Keys, Doors, and Windows 33

When all additional transmitters are programmed, press and hold the ignition for 12 seconds to exit programming mode. Starting the Vehicle with a Low Transmitter Battery When starting the vehicle, if the transmitter battery is weak or there is interference with the signal, the DIC may display NO REMOTE DETECTED or NO REMOTE KEY 4. Place the new transmitter into WAS DETECTED, PLACE KEY IN To start the vehicle: TRANSMITTER POCKET, THEN the transmitter pocket inside 1. Place the transmitter in the the armrest storage area. START YOUR VEHICLE. The REPLACE BATTERY IN REMOTE transmitter pocket inside the 5. Press the ENGINE START/ KEY message may also be armrest storage area. STOP button. When the displayed at this time. 2. With the vehicle in P (Park) or transmitter is learned the DIC N (Neutral), press the brake will show that it is ready to pedal and the ENGINE START/ program the next transmitter. STOP button. See Starting the 6. Remove the transmitter from Engine 0 178 for additional the transmitter pocket and information about the vehicle's press K. keyless ignition with pushbutton start. To program additional transmitters, repeat Steps 4–6. Replace the transmitter battery as soon as possible. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

34 Keys, Doors, and Windows

Battery Replacement 4. Insert the new battery, positive 2. Immediately after completing side facing up. Push the Replace the battery if the REPLACE Step 2, press and hold / for at battery down until it is held in BATTERY IN REMOTE KEY least four seconds or until the place. Replace with a CR2032 message displays in the DIC. See turn signal lamps flash. The or equivalent battery. Key and Lock Messages 0 133. turn signal lamps flashing 5. Snap the battery cover back on confirms the request to remote Caution to the transmitter. start the vehicle has been received. When replacing the battery, do Remote Vehicle Start When the engine starts, the not touch any of the circuitry on This feature allows the engine to be parking lamps will turn on and the transmitter. Static from your started from outside the vehicle. remain on as long as the body could damage the engine is running. The doors transmitter. The / button will be on the RKE will be locked and the climate transmitter if the vehicle has remote control system may come on. start. The battery is not rechargeable. To Turn the ignition to ON/RUN (Key replace the battery: Laws in some local communities Access), or select the ON/RUN/ may restrict the use of remote START ignition position (Keyless 1. Press the button on the starters. For example, some laws Access), to drive the vehicle. transmitter to extend the key. may require a person using remote The engine will shut off after 2. Remove the battery cover by start to have the vehicle in view. 10 minutes unless a time extension prying it with a finger. Check local regulations for any is done or the ignition is put in ON/ 3. Remove the battery by pushing requirements. RUN (Key Access) or ON/RUN/ on the battery and sliding it Starting the Engine Using Remote START (Keyless Access). toward the key blade. Start To start the engine using the remote start feature: 1. Press and release Q. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Keys, Doors, and Windows 35

The climate control system will use When the remote start is extended, . The transmitter is in the vehicle the previous setting during a remote the second 10-minute period is (Keyless Access). start. The rear defog may come on added on to the first 10 minutes for . The hood is not closed. during remote start based on cold a total of 20 minutes. ambient conditions. The rear defog . The hazard warning flashers A maximum of two remote starts, are on. indicator light does not come on or a remote start with an extension, during remote start. See “Remote are allowed between ignition cycles. . There is an emission control Start Climate Control Operation” in system malfunction. Dual Automatic Climate Control The vehicle's ignition must be System 0 157. Vehicles with heated changed to ON/RUN/START and . The engine coolant temperature or heated and ventilated front seats then back to OFF before the remote is too high. can have this feature turn on start procedure can be used again. . The oil pressure is low. automatically during a remote start. Canceling a Remote Start . Two remote vehicle starts have See “Remote Start Auto Heat Seats” already been used. and “Remote Start Auto Cool Seats” To cancel a remote start, do any of under Vehicle the following: . The vehicle is not in P (Park). Personalization 0 139. . Press and hold / until the Extending Engine Run Time parking lamps turn off. Door Locks The engine run time can also be . Turn on the hazard warning { Warning extended by another 10 minutes, flashers. if during the first 10 minutes . Turn the vehicle on and then off. Unlocked doors can be Steps 1–2 are repeated while the dangerous. engine is still running. An extension Conditions in Which Remote Start can be requested, 30 seconds after Will Not Work . Passengers, especially children, can easily open starting. This provides a total of The remote start will not operate if: 20 minutes. the doors and fall out of a . The key is in the ignition (Key moving vehicle. The chance The remote start can only be Access) or the ignition is in any of being thrown out of the extended once. position other than OFF (Keyless (Continued) Access). Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

36 Keys, Doors, and Windows

To lock or unlock the doors from the Power Door Locks Warning (Continued) 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. See Remote Keyless Entry 0 passengers should wear (RKE) System Operation 28. safety belts properly and the To lock or unlock the doors from the doors should be locked inside: whenever the vehicle is driven. . Press Q or K on a power door lock switch. . Young children who get into unlocked vehicles may be . If equipped with Keyless Access, unable to get out. A child pushing down the manual lock can be overcome by knob on the driver door will lock extreme heat and can suffer all doors. Pushing down the K permanent injuries or even manual lock knob on a : Press to unlock the doors. death from heat stroke. passenger door will lock that Q : Press to lock the doors. Always lock the vehicle door only. See Vehicle Personalization 0 139 whenever leaving it. . Pulling the door handle once will for more information. . Outsiders can easily enter unlock the door. Pulling the door through an unlocked door handle again will unlatch it. Delayed Locking when slowing or stopping the vehicle. Lock the doors This feature delays the locking of to help prevent this from the doors until five seconds after all happening. doors are closed. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Keys, Doors, and Windows 37

When Q is pressed on the power . Shift the transmission into number of RKE transmitters inside door lock switch while the door is P (Park). has not reduced, the driver door will open, a chime will sound three Automatic door locking cannot be unlock and the horn will sound three times indicating delayed locking is disabled. Automatic door unlocking times. active. can be programmed. See Vehicle This can be manually overridden by 0 The doors will lock automatically Personalization 139. pressing and holding Q on the five seconds after all doors are power door lock switch. closed. If a door is reopened before Lockout Protection Unlocked Door Anti-Lockout that time, the five-second timer will Key Access : When locking is reset when all doors are closed requested with the driver door open Unlocked Door Anti-Lockout, when again. and the key in the ignition, all the on, will unlock the driver door if locking is requested while the driver Press Q on the door lock switch doors will lock and then the driver door will unlock. door is open. This feature can be again or press Q on the RKE turned on or off using the vehicle transmitter to lock the doors This can be manually overridden by personalization menus. See Vehicle immediately. pressing and holding Q on the Personalization 0 139. This feature can also be power door lock switch. programmed. See Vehicle Keyless Access : When locking is Safety Locks Personalization 0 139. requested with the driver door open The rear door safety locks prevent and the vehicle is in ACC/ passengers from opening the rear Automatic Door Locks ACCESSORY or ON/RUN/START, doors from inside the vehicle. all the doors will lock and then the The doors will lock automatically driver door will unlock. when all doors are closed, the ignition is on, and the shift lever is If the vehicle is off and locking is moved out of P (Park). requested while a door is open, when all doors are closed the To unlock the doors: vehicle will check for RKE . Press K on the power door lock transmitters inside. If an RKE switch. transmitter is detected and the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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 using the power door lock switch, or by using the Remote Keyless { Warning Entry (RKE) transmitter. Exhaust gases can enter the 2. Open the door from the vehicle if it is driven with the outside. liftgate, trunk/hatch open, or with To cancel the safety lock: any objects that pass through the seal between the body and the 1. Unlock the door and open it trunk/hatch or liftgate. Engine from the outside. exhaust contains carbon 2. Insert the key into the safety monoxide (CO) which cannot be If equipped, the safety lock is lock slot and turn it so the slot seen or smelled. It can cause located on the inside edge of the is in the vertical position. Do unconsciousness and even death. rear doors. To use the safety lock: the same for the other door. 1. Insert the key into the safety If the vehicle must be driven with lock slot and turn it so the slot the liftgate, or trunk/hatch open: is in the horizontal position. . Close all of the windows. 2. Close the door. . Fully open the air outlets on 3. Do the same for the other or under the instrument rear door. 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

Keys, Doors, and Windows 39

To open the trunk, press on the Emergency Trunk Release Warning (Continued) V driver door when the vehicle is off or Handle highest setting. See in P (Park). “Climate Control Systems” Caution in the Index. Do not use the emergency trunk . If the vehicle has a power release handle as a tie-down or liftgate, disable the power anchor point when securing items liftgate function. in the trunk as it could damage For more information about the handle. carbon monoxide, see Engine Exhaust 0 185.

Remote Trunk Release

To open the trunk from outside the vehicle, press and hold Y on the Remote Keyless Entry (RKE) transmitter to unlock all doors, then use the touchpad above the license plate. If equipped with Keyless Access, the trunk can be opened using the touchpad when the RKE transmitter is within 1 m (3 ft) of the rear of the vehicle. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

40 Keys, Doors, and Windows There is a glow-in-the-dark Vehicle Security On Solid : Vehicle is secured emergency trunk release handle on during the delay to arm the system. This vehicle has theft-deterrent the trunk lid. This handle will glow Fast Flash : Vehicle is unsecured. features; however, they do not make following exposure to light. Pull the A door, the hood, or the trunk the vehicle impossible to steal. release handle to open the trunk is open. from the inside. Vehicle Alarm System Slow Flash : Alarm system is After use, return to the stored armed. position. 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 system, if equipped. . With a door open, press Q 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

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 0 341. If the driver door is opened without . Start the vehicle. first unlocking the RKE transmitter, To avoid setting off the alarm by Immobilizer Operation the horn will chirp and the lights will accident: flash to indicate pre-alarm. If the (Key Access) vehicle is not started, or the door is . Lock the vehicle after all This vehicle has a passive not unlocked by pressing K on the occupants have left the vehicle theft-deterrent system. and all doors are closed. RKE transmitter during the The system does not have to be 10-second pre-alarm, the alarm will . Always unlock a door with the manually armed or disarmed. be activated. RKE transmitter or use the Keyless Access system. The vehicle is automatically The alarm will also be activated if a immobilized when the key is passenger door, the trunk, or the Unlocking the driver door with the removed from the ignition. hood is opened without first key will not disarm the alarm system disarming the system. When the or turn off the alarm. The system is automatically alarm is activated, the turn signals disarmed when the vehicle is flash and the horn sounds for about How to Detect a Tamper started with the correct key. The key 30 seconds. The alarm system will Condition uses a transponder that matches an immobilizer control unit in the then re-arm to monitor for the next If K is pressed on the transmitter unauthorized event. vehicle and automatically disarms and the horn chirps and the lights the system. Only the correct key Disarming the Alarm System flash three times, the alarm was starts the vehicle. The vehicle may activated while the system was not start if the key is damaged. To disarm the alarm system, or turn armed. off the alarm if it has been activated, do one of the following: If the alarm has been activated, a message will appear on the DIC. . Press K on the RKE transmitter. See Security Messages 0 137. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

42 Keys, Doors, and Windows

Do not leave the key or device that The security light on the instrument disarms or deactivates the cluster comes on when there is a theft-deterrent system in the vehicle. problem with arming or disarming the theft-deterrent system. Immobilizer Operation The system has one or more (Keyless Access) transmitters matched to an The security light in the instrument immobilizer control unit in the This vehicle has a passive cluster comes on if there is a vehicle. Only a correctly matched theft-deterrent system. problem with arming or disarming transmitter will start the vehicle. the theft-deterrent system. The system does not have to be If the transmitter is ever damaged, When trying to start the vehicle, the manually armed or disarmed. you may not be able to start your security light comes on briefly when The vehicle is automatically vehicle. the ignition is turned on. immobilized when the transmitter When trying to start the vehicle, the If the engine does not start and the leaves the vehicle. security light comes on briefly when security light stays on, there is a The immobilization system is the ignition is turned on. problem with the system. Turn the disarmed when the ignition button is If the vehicle does not start and the ignition off and try again. pushed in and a valid transmitter is security light stays on, there is a If the engine still does not start, and in the vehicle. problem with the system. Turn the the key appears to be undamaged vehicle off and try again. or the light continues to stay on, try If the RKE transmitter appears to be another ignition key. undamaged, try another transmitter, If the engine still does not start with or place the transmitter in the the other key, the vehicle needs transmitter pocket. See “Starting the service. If the vehicle does start, the Vehicle with a Low Transmitter first key may be damaged. See your Battery” under Remote Keyless 0 dealer who can service the Entry (RKE) System Operation 28. theft-deterrent system and have a new key made. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Keys, Doors, and Windows 43 If the vehicle does not start with the Exterior Mirrors Power Mirrors other transmitter or when the transmitter is in the transmitter pocket, the vehicle needs service. Convex Mirrors See your dealer who can service the theft-deterrent system and have { Warning a new transmitter programmed to the vehicle. A convex mirror can make things, like other vehicles, look farther Do not leave the transmitter or away than they really are. If you device that disarms or deactivates cut too sharply into the right lane, the theft-deterrent system in the vehicle. you could hit a vehicle on the right. Check the inside mirror or glance over your shoulder before changing lanes. To adjust the mirrors: The passenger side mirror is convex 1. Turn the control knob to the L shaped. A convex mirror's surface is (Left) or R (Right) selecting the curved so more can be seen from driver or passenger mirror. the driver seat. 2. Push the control knob to the left, right, up, or down to adjust the mirror. Vehicles with the memory feature can store a preferred mirror position. See Memory Seats 0 55. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

44 Keys, Doors, and Windows

Folding Mirrors See “Rear Window Defogger” under Interior Mirrors Dual Automatic Climate Control Manual Folding Mirrors 0 System 157. Interior Rearview Mirrors These mirrors can be folded inward to prevent damage when going Reverse Tilt Mirrors Adjust the rearview mirror for a clear view of the area behind your through an automatic car wash. To If equipped with memory seats, the vehicle. fold, pull the mirror toward the passenger and/or driver mirror tilts vehicle. Push the mirror outward to to a preselected position when the If equipped with OnStar, the vehicle return it to the original position. vehicle is in R (Reverse). This may have three control buttons at Automatic Dimming Feature allows the curb to be seen when the bottom of the mirror. See your parallel parking. dealer for more information about The vehicle may have a driver OnStar and how to subscribe to it. The mirror(s) return to the original outside mirror that automatically See OnStar Overview 0 345. adjusts for the glare of the position when: Do not spray glass cleaner directly headlamps behind. . The vehicle is shifted out of on the mirror. Use a soft towel R (Reverse), or remains in dampened with water. Turn Signal Indicator R (Reverse) for about The vehicle may have a turn signal 30 seconds. Manual Rearview Mirror indicator lamp built into the mirror . The ignition is turned off. housing. The turn signal lamp If equipped, push the tab forward for flashes when the turn signals or . The vehicle is driven in daytime use and pull it for nighttime hazard flashers are used. R (Reverse) above a set speed. use to avoid glare from the To turn this feature on or off, see headlamps from behind. Heated Mirrors Vehicle Personalization 0 139. For vehicles with heated mirrors: 1 (Rear Window Defogger) : Press to heat the mirrors. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Keys, Doors, and Windows 45 Automatic Dimming Windows The vehicle aerodynamics are designed to improve fuel economy Rearview Mirror performance. This may result in a If equipped, automatic dimming { Warning pulsing sound when either rear reduces the glare of the headlamps window is down and the front from behind. This feature comes on Never leave a child, a helpless windows are up. To reduce the when the vehicle is started. adult, or a pet alone in a vehicle, sound, open either a front window especially with the windows or the sunroof, if equipped. closed in warm or hot weather. They can be overcome by the Power Windows extreme heat and suffer permanent injuries or even death from heat stroke. { Warning Children could be seriously injured or killed if caught in the path of a closing window. Never leave keys in a vehicle with children. When there are children in the rear seat, use the window lockout button to prevent operation of the windows. See Keys 0 26. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

46 Keys, Doors, and Windows

down all the way, release it, and the Press o again to deactivate the window goes down or up lockout switch. automatically. Stop the window by pushing or pulling the switch. Programming the Power Windows Rear Window Lockout If the battery on the vehicle has been recharged, disconnected, or is not working, you will need to reprogram each front power window for the express-up feature to work. Before reprogramming, replace or recharge the vehicle's battery. Press the switch to lower the To program each front window: window. Pull the switch up to raise it. 1. With the ignition in ON/RUN or ACC/ACCESSORY, or in The switches work when the ignition Retained Accessory Power is in ON/RUN or ACC/ (RAP), close all doors. ACCESSORY, or in Retained 2. Press and hold the power Accessory Power (RAP). See This feature prevents the rear window switch until the window Retained Accessory Power passenger windows from operating, 0 is fully open. (RAP) 183. except from the driver position. Express Window Operation 3. Pull the power window switch Press o on the driver door to up until the window is fully Windows with an express-up or activate the rear window lockout closed. down feature allow the front switch. 4. Continue holding the switch up windows to be lowered or raised The indicator light comes on when for approximately two seconds without holding the switch. Rear activated. after the window is completely windows only have express-down. closed. Pull a window switch up or push it Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Keys, Doors, and Windows 47 The window is now reprogrammed. Rear Window Sunshade Roof Repeat the process for the other windows. Sunroof Sun Visors

If equipped, the rear window Pull the sun visor down to block sunshade button is on the overhead glare. Detach the sun visor from the console. To open the sunshade, center mount to pivot to the side On vehicles with a sunroof, the press and release. The sunshade window or, if equipped, extend switch is on the overhead console. will fully extend. To close the along the rod. sunshade, press and release the The ignition must be in ON/RUN or switch again. The sunshade will fully ACC/ACCESSORY, or Retained close. Accessory Power (RAP) must be active. See Retained Accessory The sunshade only operates when Power (RAP) 0 183. the ignition is in ON/RUN or ACC/ ACCESSORY. Vent : Press the rear of the switch (2) to the first detent to vent When shifting the vehicle into the sunroof. Press the front of the R (Reverse), the sunshade will switch (1) to the second detent to automatically retract if it is close the sunroof. extended. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

48 Keys, Doors, and Windows

Express-Open/Express-Close : To difficulties like frost or other express-open the sunroof, fully conditions, it is possible to override press and release the rear of the the reversal system. To override the switch (2). To express-close, fully reversal system, close in manual press and release the front of the mode. To stop the movement, switch (1). To stop the sunroof release the switch. partway, press either switch a second time. The sunshade opens automatically with the sunroof. To express-open the sunshade, fully press and release the rear of the switch (3). To stop the sunshade partway, press the switch a second time. To express-close, fully press and release the front of the Dirt and debris may collect on the switch (4). To stop the sunshade sunroof seal or in the track. This partway, press the switch a could cause issues with sunroof second time. operation and noise. It could also Automatic Reversal System plug the water drainage system. Periodically open the sunroof and The sunroof/sunshade is equipped remove any obstacles or loose with an automatic reversal system debris. Wipe the sunroof seal and that is only active when the sunroof/ roof sealing area using a clean sunshade is being operated in cloth, mild soap, and water. Do not express mode. If an object is in the remove grease from the sunroof. path of the sunroof/sunshade while it is express closing, the reversal If water is seen dripping into the system will detect the object and water drainage system, this is stop. In the event of closing normal. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 49

Replacing Safety Belt System Replacing LATCH System Parts Seats and Parts after a Crash ...... 65 After a Crash ...... 91 Restraints Securing Child Restraints Airbag System (Rear Seat) ...... 91 Airbag System ...... 65 Securing Child Restraints (Front Where Are the Airbags? ...... 67 Passenger Seat) ...... 93 Head Restraints When Should an Airbag Head Restraints ...... 50 Inflate? ...... 68 Front Seats What Makes an Airbag Seat Adjustment ...... 52 Inflate? ...... 69 Power Seat Adjustment ...... 53 How Does an Airbag Lumbar Adjustment ...... 53 Restrain? ...... 69 Reclining Seatbacks ...... 54 What Will You See after an Memory Seats ...... 55 Airbag Inflates? ...... 70 Heated and Ventilated Front Passenger Sensing System . . . 71 Seats ...... 56 Servicing the Airbag-Equipped Vehicle ...... 75 Rear Seats Adding Equipment to the Rear Seats ...... 58 Airbag-Equipped Vehicle . . . . . 76 Rear Seat Armrest ...... 59 Airbag System Check ...... 76 Replacing Airbag System Parts Safety Belts after a Crash ...... 77 Safety Belts ...... 59 How to Wear Safety Belts Child Restraints Properly ...... 60 Older Children ...... 77 Lap-Shoulder Belt ...... 61 Infants and Young Children . . . . 79 Safety Belt Use During Child Restraint Systems ...... 81 Pregnancy ...... 64 Where to Put the Restraint . . . . . 83 Safety Belt Extender ...... 64 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

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 fore and aft position of the head outboard seating positions. restraint can be adjusted. The height of the head restraint can be adjusted. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 51

The height of the head restraint can be adjusted. Pull the head restraint up to raise it. Try to move the head restraint to make sure that it is locked in place.

To adjust the head restraint forward The head restraint can be folded or rearward, press the button rearward to allow for better visibility located on the side facing of the when the rear seat is unoccupied. head restraint and move it forward To fold the head restraint, press the or rearward until the desired locking button on the side of the head position is reached. Try to move the restraint. head restraint after the button is To lower the head restraint, press released to make sure that it is the button, located on the top of the locked in place. seatback, and push the head The front seat outboard head restraint down. Try to move the restraints are not removable. head restraint after the button is released to make sure that it is Rear Seats locked in place. The vehicle's rear seats have adjustable head restraints in the outboard seating positions. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

52 Seats and Restraints Always adjust the head restraint so Front Seats that the top of the restraint is at the same height as the top of the occupant’s head. Seat Adjustment If you are installing a child restraint Seat Position in the rear seat, see “Securing a Child Restraint Designed for the LATCH System” under Lower Anchors and Tethers for Children (LATCH System) 0 84.

The head restraint will fold rearward automatically. When an occupant or child restraint is in the seat, always return the head restraint to the full upright position. Lift the head restraint and pull it forward until it locks into { Warning place. Push and pull on the head restraint to make sure that it is You can lose control of the locked. vehicle if you try to adjust a driver seat while the vehicle is moving. Adjust the driver seat only when the vehicle is not moving. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 53

To adjust a manual seat: Power Seat Adjustment Some vehicles are equipped with a 1. Pull the handle at the front of feature that activates a vibration in the seat. the driver seat to help the driver avoid crashes. See Driver 2. Slide the seat to the desired Assistance Systems 0 204. position and release the handle. Lumbar Adjustment 3. Try to move the seat back and forth to be sure it is locked in place. Height Adjustment

To adjust the seat: . 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 To adjust the lumbar support: front of the control up or down. . Press and hold the front or rear . Raise or lower the entire seat by of the control to increase or moving the rear of the control up decrease lumbar support. or down. Press and hold the top or bottom of . If equipped, press and hold the the switch to raise or lower the seat. top or bottom of the control to Release the switch when the raise or lower lumbar support. desired height is reached. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

54 Seats and Restraints

Reclining Seatbacks Warning (Continued)

The lap belt could go up over your abdomen. The belt forces would be there, not at your pelvic bones. This could cause serious internal injuries. For proper protection when the vehicle is in motion, have the seatback upright. Then sit well back in the seat and wear the safety belt properly. To recline a manual seatback: 1. Lift the lever. { Warning Manual Reclining Seatbacks 2. Move the seatback to the desired position, and then Sitting in a reclined position when { Warning release the lever to lock the the vehicle is in motion can be seatback in place. dangerous. Even when buckled If either seatback is not locked, it could move forward in a sudden 3. Push and pull on the seatback up, the safety belts cannot do to make sure it is locked. their job. stop or crash. That could cause injury to the person sitting there. To return the seatback to the upright The shoulder belt will not be Always push and pull on the position: against your body. Instead, it will seatbacks to be sure they are 1. Lift the lever fully without be in front of you. In a crash, you locked. could go into it, receiving neck or applying pressure to the seatback, and the seatback will other injuries. return to the upright position. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 55

2. Push and pull on the seatback Memory Seats 3. Press and release SET. A beep to make sure it is locked. will sound. Power Reclining Seatbacks 4. Immediately press and hold 1 until two beeps sound. 5. Repeat Steps 1–4 for a second driver using 2. Manually Recalling Memory Positions Press and hold 1 or 2 to manually recall the previously stored memory positions. Releasing 1 or 2 before the stored positions are reached stops the recall. If memory equipped, the 1, 2. and Automatically Recalling Memory SET buttons on the driver door are Positions (Auto Memory Recall) To adjust a power seatback: used to manually store and recall the driver seat and outside mirror If programmed in the vehicle . Tilt the top of the control positions. personalization menu, the Auto rearward to recline. (Automatic) Memory Recall feature Storing Memory Positions . Tilt the top of the control forward automatically recalls the current to raise. To store positions to the 1 and 2 driver’s previously stored 1 or 2 buttons: position when the ignition is changed from OFF to ON/RUN or 1. The ignition must be in ON/ ACC/ACCESSORY. RUN or ACC/ACCESSORY. See Auto Memory Recall under 2. Adjust the driver seat, seatback “ ” Comfort and Convenience in recliner, and both outside “ ” Vehicle Personalization 0 139. mirrors. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

56 Seats and Restraints

To stop recall movement, press one Obstructions Heated and Ventilated of the memory, power mirror, If something has blocked the driver Front Seats or power seat controls, or turn the seat while recalling a memory ignition off. position, the recall may stop. { Warning RKE transmitters are not labeled Remove the obstruction. Then do with a number. If your memory seat one of the following: If you cannot feel temperature position is stored to 1 or 2, but this . If automatically or manually change or pain to the skin, the position is not automatically recalling the stored memory seat heater may cause burns. To recalling, then store your positions position, press and hold the reduce the risk of burns, people to the other button or switch RKE appropriate manual control for with such a condition should use transmitters with the other driver. two seconds. Try recalling again care when using the seat heater, Easy Exit Driver Seat by pressing the appropriate especially for long periods of memory button, or try recalling time. Do not place anything on This feature moves the seat again by opening the driver door rearward allowing the driver more the seat that insulates against room to enter or exit the vehicle. and pressing K on the RKE heat, such as a blanket, cushion, transmitter. cover, or similar item. This may To activate, place the ignition in cause the seat heater to OFF and open the driver door. If the . If recalling the exit position, overheat. An overheated seat driver door is already open, placing press and hold the power seat heater may cause a burn or may the ignition in OFF will activate the control rearward for recall. two seconds. Try recalling the damage the seat. exit position again. This feature is turned on or off using the vehicle personalization menu. If the memory position is still not See Vehicle Personalization 0 139. recalling, see your dealer for service. To stop recall movement, press one of the memory, driver seat or outside mirror buttons. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 57

Press C or {, if equipped, to when the ignition is turned on. Press ventilate the driver or passenger the button to use the heated or seat. A ventilated seat has a fan ventilated seats after the vehicle is that pulls or pushes air through the started. seat. The air is not cooled. The heated or ventilated seat Press the button once for the indicator lights on the button do not highest setting. With each press of turn on during a remote start. the button, the seat will change to The heated seat temperature the next lower setting, and then to performance of an unoccupied seat the off setting. The lights near the may be reduced. This is normal. heated or ventilated seat symbol on the display indicate three for the The heated or ventilated seats will Heated and Ventilated Seat highest setting and one for the not turn on during a remote start unless they are enabled in the Buttons Shown, Heated Seat lowest. Buttons Similar vehicle personalization menu. See If the heated seats are on high, the Remote Vehicle Start 0 34 and If equipped, the buttons are part of level may automatically lower after Vehicle Personalization 0 139. the climate control system on the approximately 30 minutes. center stack. To operate, the ignition and the climate control system must The passenger seat may take be on. If the climate control system longer to heat up. is off, press the O button to turn Remote Start Auto Heated and it on. Ventilated Seats Press M or L to heat the driver or During a remote start, the heated or passenger seat cushion and ventilated seats, if equipped, can be seatback. turned on automatically. When it is cold outside, the heated seats turn on, and when it is hot outside the ventilated seats turn on. The heated or ventilated seats are canceled Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

58 Seats and Restraints Rear Seats To fold the seatback down: Raising the Seatback Folding the Seatback { Warning Either side of the seatback can be folded down for more cargo space. If either seatback is not locked, it Fold a seatback only when the could move forward in a sudden vehicle is not moving. stop or crash. That could cause injury to the person sitting there. Caution Always push and pull on the seatbacks to be sure they are Folding a rear seat with the safety locked. belts still fastened may cause damage to the seat or the safety belts. Always unbuckle the safety { Warning belts and return them to their 1. Pull on the lever on the top of normal stowed position before the seatback to unlock it. A safety belt that is improperly routed, not properly attached, folding a rear seat. A tab near the seatback lever raises when the seatback is or twisted will not provide the unlocked. protection needed in a crash. The person wearing the belt could be 2. Fold the seatback down. seriously injured. After raising the Repeat the steps to fold the rear seatback, always check to be other seatback, if desired. sure that the safety belts are properly routed and attached, and are not twisted. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 59 To raise a seatback: Rear Seat Armrest Safety Belts 1. Lift the seatback up and push it This section of the manual rearward to lock it in place. describes how to use safety belts Make sure the safety belt is not properly. It also describes some twisted or caught in the things not to do with safety belts. seatback. A tab near the seatback lever { Warning retracts when the seatback is locked in place. Do not let anyone ride where a 2. Push and pull the top of the safety belt cannot be worn seatback to be sure it is locked properly. In a crash, if you or your into position. passenger(s) are not wearing safety belts, injuries can be much 3. Repeat the steps to raise the other seatback, if necessary. worse than if you are wearing The rear seat has an armrest in the safety belts. You can be seriously center of the seatback. Lower the When the seat is not in use, it injured or killed by hitting things armrest to access the two should be kept in the upright, locked inside the vehicle harder or by cupholders and the storage area. position. being ejected from the vehicle. In To fold, lift the armrest up and push addition, anyone who is not it rearward until it is flush with the buckled up can strike other seatback. passengers in the vehicle. It is extremely dangerous to ride in a cargo area, inside or outside of a vehicle. In a collision, passengers riding in these areas are more likely to be seriously injured or killed. Do not allow (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

60 Seats and Restraints

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; so 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 61

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 The following instructions explain There are important things to know serious or even fatal injuries. how to wear a lap-shoulder belt about wearing a safety belt properly. . Wear the shoulder belt over the properly. shoulder and across the chest. 1. Adjust the seat, if the seat is These parts of the body are best adjustable, so you can sit up able to take belt restraining straight. To see how, see forces. The shoulder belt locks if “Seats” in the Index. there is a sudden stop or crash.

{ Warning

You can be seriously injured, or even killed, by not wearing 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. 2. Pick up the latch plate and pull . Never route the lap or . Wear the lap part of the belt low the belt across you. Do not let shoulder belt over an it get twisted. 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

62 Seats and Restraints

The lap-shoulder belt may lock Pull up on the latch plate to if you pull the belt across you make sure it is secure. If the very quickly. If this happens, let belt is not long enough, see the belt go back slightly to Safety Belt Extender 0 64. unlock it. Then pull the belt Position the release button on across you more slowly. the buckle so that the safety If the shoulder portion of a belt could be quickly unbuckled passenger belt is pulled out all if necessary. the way, the child restraint 4. If equipped with a shoulder belt locking feature may be height adjuster, move it to the engaged. If this happens, let height that is right for you. See the belt go back all the way “Shoulder Belt Height Adjuster” and start again. later in this section for To unlatch the belt, push the button instructions on use and on the buckle. The belt should important safety information. return to its stowed position. 5. To make the lap part tight, pull Always stow the safety belt slowly. up on the shoulder belt. If the safety belt webbing returns quickly to the stowed position, the retractor may lock and cannot be pulled out. If this happens, pull the safety belt straight out firmly to unlock the webbing, and then release it. If the webbing is still locked in the retractor, see your dealer.

3. Push the latch plate into the buckle until it clicks. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 63

Before a door is closed, be sure the moderate to severe frontal, near safety belt is out of the way. If a frontal, or rear crash if the threshold door is slammed against a safety conditions for pretensioner belt, damage can occur to both the activation are met. Safety belt safety belt and the vehicle. pretensioners can also help tighten the safety belts in a side crash or a Shoulder Belt Height Adjuster rollover event. The vehicle has a shoulder belt Pretensioners work only once. If the height adjuster for the driver and pretensioners activate in a crash, right front passenger seating the pretensioners and probably positions. other parts of the vehicle's safety Adjust the height so the shoulder belt system will need to be replaced. portion of the belt is on the shoulder Press the release button and move See Replacing Safety Belt System and not falling off of it. The belt the height adjuster to the desired Parts after a Crash 0 65. should be close to, but not position. The adjuster can be moved Rear Safety Belt Comfort contacting, the neck. Improper up by pushing the slide/trim up. shoulder belt height adjustment After the adjuster is set to the Guides could reduce the effectiveness of desired position, try to move it down Rear safety belt comfort guides may the safety belt in a crash. See How without pushing the release button provide added safety belt comfort to Wear Safety Belts Properly 0 60. to make sure it has locked into for older children who have position. outgrown booster seats and for some adults. When installed on a Safety Belt Pretensioners shoulder belt, the comfort guide This vehicle has safety belt positions the belt away from the pretensioners for front outboard neck and head. occupants. Although the safety belt Comfort guides are available pretensioners cannot be seen, they through your dealer for the rear are part of the safety belt assembly. outboard seating positions. They can help tighten the safety Instructions are included with the belts during the early stages of a guide. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

64 Seats and Restraints

Safety Belt Use During that the fetus will not be hurt in a anchorages are all working properly. crash. For pregnant women, as for Look for any other loose or Pregnancy anyone, the key to making safety damaged safety belt system parts Safety belts work for everyone, belts effective is wearing them that might keep a safety belt system including pregnant women. Like all properly. from doing its job. See your dealer occupants, they are more likely to to have it repaired. Torn or frayed be seriously injured if they do not Safety Belt Extender safety belts may not protect you in a wear safety belts. crash. They can rip apart under If the vehicle's safety belt will fasten impact forces. If a belt is torn or around you, you should use it. frayed, get a new one right away. But if a safety belt is not long Make sure the safety belt reminder enough, your dealer will order you light is working. See Safety Belt an extender. When you go in to Reminders 0 111. order it, take the heaviest coat you will wear, so the extender will be Keep safety belts clean and dry. long enough for you. To help avoid See Safety Belt Care 0 64. personal injury, do not let someone else use it, and use it only for the Safety Belt Care seat it is made to fit. The extender Keep belts clean and dry. has been designed for adults. Never use it for securing child seats. To wear it, attach it to the regular safety { Warning A pregnant woman should wear a belt. For more information, see the Do not bleach or dye safety belts. lap-shoulder belt, and the lap instruction sheet that comes with portion should be worn as low as the extender. It may severely weaken them. In possible, below the rounding, a crash, they might not be able to throughout the pregnancy. Safety System Check provide adequate protection. The best way to protect the fetus is Clean safety belts only with mild to protect the mother. When a safety Now and then, check that the safety soap and lukewarm water. belt is worn properly, it is more likely belt reminder light, safety belts, buckles, latch plates, retractors, and Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 65 Replacing Safety Belt After a minor crash, replacement of Airbag System safety belts may not be necessary. System Parts after a But the safety belt assemblies that The vehicle has the following Crash were used during any crash may airbags: have been stressed or damaged. . A frontal airbag for the driver. { Warning See your dealer to have the safety belt assemblies inspected or . A frontal airbag for the front A crash can damage the safety replaced. outboard passenger. belt system in the vehicle. New parts and repairs may be . A seat-mounted side impact A damaged safety belt system necessary even if the safety belt airbag for the driver. may not properly protect the system was not being used at the . A seat-mounted side impact person using it, resulting in time of the crash. airbag for the front outboard serious injury or even death in a Have the safety belt pretensioners passenger. crash. To help make sure the checked if the vehicle has been in a safety belt systems are working . A roof-rail airbag for the driver crash, or if the airbag readiness light properly after a crash, have them and the passenger seated stays on after you start the vehicle directly behind the driver. inspected and any necessary or while you are driving. See Airbag replacements made as soon as Readiness Light 0 112. . A roof-rail airbag for the front possible. outboard passenger and the passenger seated directly behind the front outboard passenger. . Seat-mounted side impact airbags for the second row outboard passengers. All of the airbags have the word AIRBAG embossed on the trim or on a label near the deployment opening. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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For frontal airbags, the word AIRBAG is on the center of the Warning (Continued) Warning (Continued) steering wheel for the driver and on the instrument panel for the front designed to work with safety seriously injured or killed. Do not outboard passenger. belts, not replace them. Also, sit unnecessarily close to any airbags are not designed to inflate airbag, as you would be if sitting For seat-mounted side impact in every crash. In some crashes on the edge of the seat or leaning airbags, the word AIRBAG is on the safety belts are the only restraint. forward. Safety belts help keep side of the seatback closest to See When Should an Airbag you in position before and during the door. Inflate? 0 68. a crash. Always wear a safety For roof-rail airbags, the word Wearing your safety belt during a belt, even with airbags. The driver AIRBAG is on the ceiling or trim. crash helps reduce the chance of should sit as far back as possible Airbags are designed to supplement hitting things inside the vehicle or while still maintaining control of the protection provided by safety being ejected from it. Airbags are the vehicle. The safety belts and the front outboard passenger belts. Even though today's airbags “supplemental restraints” to the are also designed to help reduce safety belts. Everyone in the airbags are most effective when the risk of injury from the force of an vehicle should wear a safety belt you are sitting well back and inflating bag, all airbags must inflate properly, whether or not there is upright in the seat with both feet very quickly to do their job. an airbag for that person. on the floor. Here are the most important things Occupants should not lean on or to know about the airbag system: sleep against the door or side { Warning windows in seating positions with { Warning seat-mounted side impact airbags Because airbags inflate with great and/or roof-rail airbags. You can be severely injured or force and faster than the blink of killed in a crash if you are not an eye, anyone who is up wearing your safety belt, even against, or very close to any with airbags. Airbags are airbag when it inflates can be (Continued) (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Where Are the Airbags? { Warning

Children who are up against, or very close to, any airbag when it inflates can be seriously injured or killed. Always secure children properly in the vehicle. To read how, see Older Children 0 77 or Infants and Young Children 0 79.

Driver Side Shown, Passenger Side Similar The driver frontal airbag is in the The driver and front outboard center of the steering wheel. passenger seat-mounted side impact airbags are in the side of the The front outboard passenger seatbacks closest to the door. There is an airbag readiness light frontal airbag is in the passenger on the instrument cluster, which side instrument panel. The roof-rail airbags for the driver, shows the airbag symbol. The front outboard passenger, and system checks the airbag electrical second row outboard passengers system for malfunctions. The light are in the ceiling above the side tells you if there is an electrical windows. problem. See Airbag Readiness Light 0 112. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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 rear opening. If you do, the path of an Whether the frontal airbags will or seatback 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Frontal airbags are not intended to vehicle is struck, if the sensing moderate to severe side collisions, inflate during vehicle rollovers, rear system predicts that the vehicle is even belted occupants can contact impacts, or in many side impacts. about to roll over on its side, or in a the inside of the vehicle. In addition, the vehicle has severe frontal impact. Airbags supplement the protection advanced technology frontal In any particular crash, no one can provided by safety belts by airbags. Advanced technology say whether an airbag should have distributing the force of the impact frontal airbags adjust the restraint inflated simply because of the more evenly over the according to crash severity. vehicle damage or repair costs. occupant's body. Seat-mounted side impact airbags Rollover capable roof-rail airbags are designed to inflate in moderate What Makes an Airbag are designed to help contain the to severe side crashes depending Inflate? head and chest of occupants in the on the location of the impact. outboard seating positions in the In a deployment event, the sensing Seat-mounted side impact airbags first and second rows. The rollover system sends an electrical signal are not designed to inflate in frontal capable roof-rail airbags are triggering a release of gas from the impacts, near frontal impacts, designed to help reduce the risk of inflator. Gas from the inflator fills the rollovers, or rear impacts. full or partial ejection in rollover airbag causing the bag to break out A seat-mounted side impact airbag events, although no system can of the cover. The inflator, the airbag, is designed to inflate on the side of prevent all such ejections. and related hardware are all part of the vehicle that is struck. the airbag module. But airbags would not help in many Roof-rail airbags are designed to types of collisions, primarily For airbag locations, see Where Are inflate in moderate to severe side because the occupant's motion is the Airbags? 0 67. crashes depending on the location not toward those airbags. See When 0 of the impact. In addition, these How Does an Airbag Should an Airbag Inflate? 68. roof-rail airbags are designed to Airbags should never be regarded inflate during a rollover or in a Restrain? as anything more than a supplement severe frontal impact. Roof-rail In moderate to severe frontal or to safety belts. airbags are not designed to inflate in near frontal collisions, even belted rear impacts. Both roof-rail airbags occupants can contact the steering will inflate when either side of the wheel or the instrument panel. In Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

70 Seats and Restraints

What Will You See after and turn off the interior lamps and { Warning hazard warning flashers by using an Airbag Inflates? the controls for those features. After the frontal airbags and When an airbag inflates, there may be dust in the air. This dust seat-mounted side impact airbags { Warning inflate, they quickly deflate, so could cause breathing problems quickly that some people may not for people with a history of A crash severe enough to inflate even realize an airbag inflated. asthma or other breathing trouble. the airbags may have also Roof-rail airbags may still be at least To avoid this, everyone in the damaged important functions in partially inflated for some time after vehicle should get out as soon as the vehicle, such as the fuel they inflate. Some components of it is safe to do so. If you have system, brake and steering the airbag module may be hot for breathing problems but cannot systems, etc. Even if the vehicle several minutes. For location of the get out of the vehicle after an appears to be drivable after a airbags, see Where Are the airbag inflates, then get fresh air 0 moderate crash, there may be Airbags? 67. by opening a window or a door. concealed damage that could The parts of the airbag that come If you experience breathing make it difficult to safely operate into contact with you may be warm, problems following an airbag the vehicle. but not too hot to touch. There may deployment, you should seek be some smoke and dust coming medical attention. Use caution if you should attempt from the vents in the deflated to restart the engine after a crash has occurred. airbags. Airbag inflation does not The vehicle has a feature that may prevent the driver from seeing out of automatically unlock the doors, turn the windshield or being able to steer on the interior lamps and hazard Vehicles with eAssist have a high the vehicle, nor does it prevent warning flashers, and shut off the voltage battery and a standard people from leaving the vehicle. fuel system after the airbags inflate. 12-volt battery. If an airbag inflates The feature may also activate, or the vehicle has been in a crash, without airbag inflation, after an the vehicle's sensing system may event that exceeds a predetermined shut down the high voltage system. threshold. You can lock the doors, When this occurs, the high voltage battery is disconnected and the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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vehicle is not charging the 12-volt . The vehicle has a crash sensing battery or the electrical system. The and diagnostic module which vehicle may start but it shuts down records information after a once the 12-volt battery is depleted. crash. See Vehicle Data When the 12-volt battery is Recording and Privacy 0 342 depleted, the vehicle will not start and Event Data 0 and the on-board jump start feature Recorders 343. United States is disabled. The airbag readiness . Let only qualified technicians light and/or the 12-volt battery work on the airbag systems. warning light are displayed. Before Improper service can mean that the vehicle can be operated again, it an airbag system will not work must be serviced at your dealer. properly. See your dealer for In many crashes severe enough to service. inflate the airbag, are broken by vehicle deformation. Passenger Sensing Canada and Mexico Additional windshield breakage may System The words ON and OFF, or the also occur from the front outboard symbol for on and off, will be visible passenger airbag. The vehicle has a passenger during the system check. When the sensing system for the front . Airbags are designed to inflate system check is complete, either the outboard passenger position. The only once. After an airbag word ON or OFF, or the symbol for passenger airbag status indicator inflates, you will need some new on or off, will be visible. See will light on the overhead console parts for the airbag system. Passenger Airbag Status when the vehicle is started. If you do not get them, the Indicator 0 112. airbag system will not be there The passenger sensing system to help protect you in another turns off the front outboard crash. A new system will include passenger frontal airbag under airbag modules and possibly certain conditions. No other airbag other parts. The service manual is affected by the passenger for the vehicle covers the need sensing system. to replace other parts. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

72 Seats and Restraints

The passenger sensing system works with sensors that are part of Warning (Continued) Warning (Continued) the front outboard passenger seat. The sensors are designed to detect the back of the rear-facing child seat. Consider using another the presence of a properly-seated restraint would be very close to vehicle to the child occupant and determine if the front the inflating airbag. A child in a when a rear seat is not available. outboard passenger frontal airbag forward-facing child restraint can should be allowed to inflate or not. be seriously injured or killed if the The passenger sensing system is passenger frontal airbag inflates According to accident statistics, designed to turn off the front and the passenger seat is in a children are safer when properly outboard passenger frontal airbag if: forward position. secured in a rear seat in the correct . The front outboard passenger child restraint for their weight Even if the passenger sensing seat is unoccupied. and size. system has turned off the . The system determines that an passenger frontal airbag, no Whenever possible, children aged infant is present in a child system is fail-safe. No one can 12 and under should be secured in restraint. a rear seating position. guarantee that an airbag will not deploy under some unusual . A front outboard passenger Never put a rear-facing child seat in circumstance, even though the takes his/her weight off of the the front. This is because the risk to airbag is turned off. seat for a period of time. the rear-facing child is so great, if the airbag inflates. Never put a rear-facing child . There is a critical problem with restraint in the front seat, even if the airbag system or the passenger sensing system. { Warning the airbag is off. If securing a forward-facing child restraint in When the passenger sensing A child in a rear-facing child the front outboard passenger system has turned off the front restraint can be seriously injured seat, always move the seat as far outboard passenger frontal airbag, or killed if the passenger frontal back as it will go. It is better to the off indicator will light and stay lit airbag inflates. This is because secure child restraints in the rear as a reminder that the airbag is off. See Passenger Airbag Status (Continued) (Continued) Indicator 0 112. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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The passenger sensing system is 3. Remove any additional items designed to turn on the front { Warning from the seat such as blankets, outboard passenger frontal airbag cushions, seat covers, seat anytime the system senses that a If the airbag readiness light ever heaters, or seat massagers. comes on and stays on, it means person of adult size is sitting 4. Reinstall the child restraint properly in the front outboard that something may be wrong with the airbag system. To help following the directions passenger seat. When the provided by the child restraint passenger sensing system has avoid injury to yourself or others, have the vehicle serviced right manufacturer and refer to allowed the airbag to be enabled, Securing Child Restraints away. See Airbag Readiness the on indicator will light and stay lit (Rear Seat) 0 91 or Securing Light 0 112 for more information, as a reminder that the airbag is Child Restraints (Front active. including important safety Passenger Seat) 0 93. information. For some children, including 5. If, after reinstalling the child children in child restraints and for restraint and restarting the very small adults, the passenger If the On Indicator Is Lit for a vehicle, the on indicator is still sensing system may or may not turn Child Restraint lit, turn the vehicle off. Then off the front outboard passenger The passenger sensing system is slightly recline the vehicle frontal airbag, depending upon the seatback and adjust the seat person's seating posture and body designed to turn off the front outboard passenger frontal airbag if cushion, if adjustable, to make build. Everyone in the vehicle who sure that the vehicle seatback has outgrown child restraints should the system determines that an infant is present in a child restraint. If a is not pushing the child wear a safety belt properly — restraint into the seat cushion. whether or not there is an airbag for child restraint has been installed that person. and the on indicator is lit: Also make sure the child 1. Turn the vehicle off. restraint is not trapped under the vehicle head restraint. 2. Remove the child restraint from If this happens, adjust the head the vehicle. restraint. See Head Restraints 0 50. 6. Restart the vehicle. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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The passenger sensing system may to detect that person and enable the or may not turn off the airbag for a front outboard passenger frontal Warning (Continued) child in a child restraint depending airbag: will not be able to inflate and help upon the child’s size. It is better to 1. Turn the vehicle off. secure the child restraint in a rear protect that person in a crash, seat. Never put a rear-facing child 2. Remove any additional material resulting in an increased risk of restraint in the front seat, even if the from the seat, such as serious injury or even death. An on indicator is not lit. blankets, cushions, seat adult-sized occupant should not covers, seat heaters, seat ride in the front outboard If the Off Indicator Is Lit for an massagers, a laptop, or other passenger seat, if the passenger Adult-Sized Occupant electronic devices. airbag off indicator is lit. 3. Place the seatback in the fully upright position. Additional Factors Affecting 4. Have the person sit upright in System Operation the seat, centered on the seat Safety belts help keep the cushion, with legs comfortably passenger in position on the seat extended. during vehicle maneuvers and 5. Restart the vehicle and have braking, which helps the passenger the person remain in this sensing system maintain the position for two to passenger airbag status. See three minutes after the on “Safety Belts” and “Child Restraints” indicator is lit. in the Index for additional information about the importance of If a person of adult-size is sitting in { Warning proper restraint use. the front outboard passenger seat, A thick layer of additional material, but the off indicator is lit, it could be If the front outboard passenger such as a blanket or cushion, because that person is not sitting airbag is turned off for an or aftermarket equipment such as properly in the seat. Use the adult-sized occupant, the airbag seat covers, seat heaters, and seat following steps to allow the system (Continued) massagers can affect how well the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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passenger sensing system is on the seat. If the passenger Servicing the operates. We recommend that you frontal airbag is turned on, the not use seat covers or other on indicator will be lit. Airbag-Equipped Vehicle aftermarket equipment except when If the passenger seat gets wet, dry Airbags affect how the vehicle approved by GM for your specific the seat immediately. If the airbag should be serviced. There are parts vehicle. See Adding Equipment to of the airbag system in several 0 readiness light is lit, do not install a the Airbag-Equipped Vehicle 76 child restraint or allow anyone to places around the vehicle. Your for more information about occupy the seat. See Airbag dealer and the service manual have modifications that can affect how Readiness Light 0 112 for important information about servicing the the system operates. safety information. vehicle and the airbag system. To purchase a service manual, see A wet seat can affect the The on indicator may be lit if an performance of the passenger Service Publications Ordering object, such as a briefcase, Information 0 340. sensing system. Here is how: handbag, grocery bag, laptop or . The passenger sensing system other electronic device, is put on an { Warning may turn off the passenger unoccupied seat. If this is not frontal airbag when liquid is desired remove the object from For up to 10 seconds after the soaked into the seat. If this the seat. vehicle is turned off and the happens, the off indicator will be battery is disconnected, an airbag lit, and the airbag readiness light { Warning can still inflate during improper on the instrument cluster will service. You can be injured if you also be lit. Stowing of articles under the are close to an airbag when it . Liquid pooled on the seat that passenger seat or between the inflates. Avoid yellow connectors. has not soaked in may make it passenger seat cushion and They are probably part of the more likely that the passenger seatback may interfere with the airbag system. Be sure to follow sensing system will turn on the proper operation of the passenger proper service procedures, and passenger frontal airbag while a sensing system. make sure the person performing child restraint or child occupant work for you is qualified to do so. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Adding Equipment to the covers, upholstery, or trim; or with reason, call Customer Assistance. GM covers, upholstery, or trim See Customer Assistance Airbag-Equipped Vehicle designed for a different vehicle. Any Offices 0 332. Adding accessories that change the object, such as an aftermarket seat vehicle's frame, bumper system, heater or a comfort-enhancing pad Airbag System Check height, front end, or side sheet or device, installed under or on top metal, may keep the airbag system of the seat fabric, could also The airbag system does not need from working properly. The interfere with the operation of the regularly scheduled maintenance or operation of the airbag system can passenger sensing system. This replacement. Make sure the airbag could either prevent proper readiness light is working. See also be affected by changing any 0 parts of the front seats, safety belts, deployment of the passenger Airbag Readiness Light 112. the airbag sensing and diagnostic airbag(s) or prevent the passenger module, steering wheel, instrument sensing system from properly Caution panel, any of the airbag modules, turning off the passenger airbag(s). ceiling or garnish trim, front See Passenger Sensing If an airbag covering is damaged, sensors, side impact sensors, System 0 71. opened, or broken, the airbag may not work properly. Do not or airbag wiring. If the vehicle has rollover roof-rail open or break the airbag Your dealer and the service manual airbags, see Different Size Tires coverings. If there are any have information about the location and Wheels 0 280 for additional opened or broken airbag of the airbag sensors, sensing and important information. coverings, have the airbag diagnostic module, and airbag If you have to modify your vehicle wiring. covering and/or airbag module because you have a disability and replaced. For the location of the In addition, the vehicle has a you have questions about whether airbags, see Where Are the passenger sensing system for the the modifications will affect the Airbags? 0 67. See your dealer front outboard passenger position, vehicle's airbag system, or if you for service. which includes sensors that are part have questions about whether the of the passenger seat. The airbag system will be affected if the passenger sensing system may not vehicle is modified for any other operate properly if the original seat trim is replaced with non-GM Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 77 Replacing Airbag System Child Restraints booster. Use a booster seat with a Parts after a Crash lap-shoulder belt until the child Older Children passes the fit test below: { Warning . Sit all the way back on the seat. Do the knees bend at the seat A crash can damage the airbag edge? If yes, continue. If no, systems in the vehicle. return to the booster seat. A damaged airbag system may . Buckle the lap-shoulder belt. not work properly and may not Does the shoulder belt rest on protect you and your the shoulder? If yes, continue. passenger(s) in a crash, resulting If no, try using the rear safety in serious injury or even death. To belt comfort guide, if equipped. help make sure the airbag See “Rear Safety Belt Comfort systems are working properly Guides” under Lap-Shoulder Belt 0 after a crash, have them 61. If a comfort guide is not inspected and any necessary available, or if the shoulder belt still does not rest on the replacements made as soon as Older children who have outgrown shoulder, then return to the possible. booster seats should wear the booster seat. vehicle safety belts. . Does the lap belt fit low and If an airbag inflates, you will need to The manufacturer instructions that snug on the hips, touching the replace airbag system parts. See come with the booster seat state the thighs? If yes, continue. If no, your dealer for service. weight and height limitations for that return to the booster seat. If the airbag readiness light stays on after the vehicle is started or comes on when you are driving, the airbag system may not work properly. Have the vehicle serviced right away. See Airbag Readiness Light 0 112. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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. 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 61. 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

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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 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

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restraint will have a label saying that it meets federal motor vehicle safety standards. The restraint manufacturer 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 available for children with special needs.

Q: What are the different types of { Warning { Warning add-on child restraints? To reduce the risk of neck and Children who are up against, A: Add-on child restraints, which are purchased by the vehicle head injury in a crash, infants and or very close to, any airbag when toddlers should be secured in a it inflates can be seriously injured owner, are available in four basic types. Selection of a particular rear-facing child restraint until age or killed. Never put a rear-facing two, or until they reach the child restraint in the front restraint should take into consideration not only the child's maximum height and weight limits outboard seat. Secure a weight, height, and age but also of their child restraint. rear-facing child restraint in a rear whether or not the restraint will seat. It is also better to secure a be compatible with the motor forward-facing child restraint in a vehicle in which it will be used. { Warning rear seat. If you must secure a For most basic types of child forward-facing child restraint in restraints, there are many A young child's hip bones are still the front outboard seat, always different models available. When so small that the vehicle's regular move the front passenger seat as purchasing a child restraint, be safety belt may not remain low on far back as it will go. sure it is designed to be used in (Continued) a motor vehicle. If it is, the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Child Restraint Systems Warning (Continued)

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 injuries. To reduce the risk of serious or fatal injuries during a crash, young children should Forward-Facing Child Seat always be secured in appropriate child restraints. Rear-Facing Infant Seat A forward-facing child seat provides restraint for the child's body with the A rear-facing infant seat provides harness. restraint with the seating surface against the back of the infant. The harness system holds the infant in place and, in a crash, acts to keep the infant positioned in the restraint. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

82 Seats and Restraints

important, so if they are not Warning (Continued) available, obtain a replacement copy from the manufacturer. restraint properly in the vehicle using the vehicle safety belt or Keep in mind that an unsecured LATCH system, following the child restraint can move around in a instructions that came with that collision or sudden stop and injure child restraint and the instructions people in the vehicle. Be sure to in this manual. properly secure any child restraint in the vehicle — even when no child is in it. To help reduce the chance of injury, In some areas of the United States the child restraint must be secured and Canada, Certified Child Booster Seats in the vehicle. Child restraint Passenger Safety Technicians systems must be secured in vehicle A booster seat is a child restraint (CPSTs) are available to inspect seats by lap belts or the lap belt designed to improve the fit of the and demonstrate how to correctly portion of a lap-shoulder belt, or by vehicle's safety belt system. use and install child restraints. In the LATCH system. See Lower A booster seat can also help a child the U.S., refer to the National Anchors and Tethers for Children to see out the window. Highway Traffic Safety (LATCH System) 0 84. Children can Administration (NHTSA) website to be endangered in a crash if the child Securing an Add-On Child locate the nearest child safety seat restraint is not properly secured in Restraint in the Vehicle inspection station. For CPST the vehicle. availability in Canada, check with { Warning When securing an add-on child Transport Canada or the Provincial restraint, refer to the instructions Ministry of Transportation office. A child can be seriously injured or that come with the restraint which killed in a crash if the child may be on the restraint itself or in a restraint is not properly secured in booklet, or both, and to this manual. the vehicle. Secure the child The child restraint instructions are (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 83

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 a child may fit in certain seating positions restraint system or infant restraint system is fail-safe. No one can better than others. system secured in a rear seating guarantee that an airbag will not Depending on where you place the position. deploy under some unusual circumstance, even though it is child restraint and the size of the Whenever possible, children aged turned off. child restraint, you may not be able 12 and under should be secured in to access adjacent safety belt a rear seating position. Secure rear-facing child restraints assemblies or LATCH anchors for in a rear seat, even if the airbag Never put a rear-facing child seat in additional passengers or child the front. This is because the risk to is off. If you secure a restraints. Adjacent seating the rear-facing child is so great if the forward-facing child restraint in positions should not be used if the airbag deploys. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

84 Seats and Restraints

child restraint prevents access to or attachments. LATCH-compatible child restraint. A child restraint must interferes with the routing of the rear-facing and forward-facing child never be attached using only the top safety belt. seats can be properly installed tether. Wherever a child restraint is using either the LATCH anchors or The LATCH anchorage system can installed, be sure to secure the child the vehicle’s safety belts. Do not be used until the combined weight restraint properly. use both the safety belts and the of the child plus the child restraint is LATCH anchorage system to secure Keep in mind that an unsecured 29.5 kg (65 lbs). Use the safety belt a rear-facing or forward-facing alone instead of the LATCH child restraint can move around in a child seat. collision or sudden stop and injure anchorage system once the people in the vehicle. Be sure to Booster seats use the vehicle’s combined weight is more than properly secure any child restraint in safety belts to secure the child in 29.5 kg (65 lbs). the booster seat. If the manufacturer the vehicle — even when no child is The following explains how to attach in it. recommends that the booster seat a child restraint with these be secured with the LATCH system, attachments in the vehicle. this can be done as long as the Lower Anchors and booster seat can be positioned Not all vehicle seating positions or Tethers for Children properly and there is no interference child restraints have lower anchors (LATCH System) with the proper positioning of the and attachments or top tether lap-shoulder belt on the child. anchors and attachments. In this The LATCH system secures a child case, the safety belt must be used restraint during driving or in a crash. Make sure to follow the instructions (with top tether where available) to LATCH attachments on the child that came with the child restraint, secure the child restraint. See restraint are used to attach the child and also the instructions in this Securing Child Restraints (Rear restraint to the anchors in the manual. Seat) 0 91 or Securing Child vehicle. The LATCH system is When installing a child restraint with Restraints (Front Passenger designed to make installation of a a top tether, you must also use Seat) 0 93. child restraint easier. either the lower anchors or the In order to use the LATCH system in safety belts to properly secure the your vehicle, you need a child restraint that has LATCH Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 85

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/Mexico- 9159288) - 2016 - CRC - 10/5/15

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/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 87

{ 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. You cannot secure three child Children can be seriously injured restraints using the LATCH anchors or strangled if a shoulder belt is in the rear seat at the same time, wrapped around their neck. The Caution but you can install two of them. shoulder belt can tighten but If you want to do this, install one Do not let the LATCH LATCH child restraint in the right cannot be loosened if it is locked. attachments rub against the The shoulder belt locks when it is rear seating position, and install the vehicle’s safety belts. This may other one either in the left rear pulled all the way out of the damage these parts. If necessary, seating position or in the center retractor. It unlocks when the move buckled safety belts to seating position. If you need to shoulder belt is allowed to go all avoid rubbing the LATCH install child restraints in both the the way back into the retractor, attachments. center and left rear seating but it cannot do this if it is (Continued) positions, the one in the center (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

88 Seats and Restraints

seating position will need to be . Use anchors 4 and 5 when child restraint manufacturer secured using the vehicle safety installing a child restraint using instructions and the belts instead of the LATCH anchors. LATCH in the left rear seating instructions in this manual. Refer to the following illustration to position. 1.1. Find the lower anchors for learn which anchors to use. Installing child restraints using the desired seating LATCH in the center and left rear position. seating positions at the same time is 1.2. Put the child restraint on prohibited. the seat. Make sure to attach the child If the head restraint restraint at the proper anchor interferes with the proper location. installation of the child This system is designed to make restraint, the head installation of child restraints easier. restraint may be removed. When using lower anchors, do not See “Head Restraint use the vehicle's safety belts. Removal and Instead use the vehicle's anchors Reinstallation” at the end and child restraint attachments to of this section. secure the restraints. Some 1.3. Attach and tighten the There are five lower LATCH anchors restraints also use another vehicle in the rear seat. lower attachments on the anchor to secure a top tether. child restraint to the lower . Use anchors 1 and 2 when 1. Attach and tighten the lower anchors. installing a child restraint using attachments to the lower 2. If the child restraint LATCH in the right rear seating anchors. If the child restraint position. manufacturer recommends that does not have lower the top tether be attached, . Use anchors 3 and 4 when attachments or the desired attach and tighten the top installing a child restraint using seating position does not have tether to the top tether anchor, LATCH in the center rear seating lower anchors, secure the child position. restraint with the top tether and the safety belts. Refer to the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 89

if equipped. Refer to the child using a single tether, route restraint instructions and the the tether over the following steps: seatback. 2.1. Find the top tether anchor. Open the cover to expose the anchor. 2.2. Route, attach, and tighten the top tether according to the child restraint If the position you are instructions and the using has an adjustable following instructions: headrest or head restraint and you are using a single If the position you are tether, route the tether using does not have a under the headrest or headrest or head restraint, head restraint and in or the headrest or head between the headrest or restraint has been head restraint posts. removed, and you are using a dual tether, route the tether over the seatback. If the position you are using does not have a headrest or head restraint, or the headrest or head restraint has been removed, and you are Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

90 Seats and Restraints

If the position you are using has an adjustable { Warning headrest or head restraint and you are using a dual With head restraints that are not tether, route the tether installed and adjusted properly, around the headrest or there is a greater chance that head restraint. occupants will suffer a neck/ spinal injury in a crash. Do not 3. Before placing a child in the drive until the head restraints for child restraint, make sure it is all occupants are installed and securely held in place. To adjusted properly. check, grasp the child restraint at the LATCH path and attempt to move it side to side and 2. Press both buttons on the head To reinstall the head restraint: back and forth. There should restraint posts at the same be no more than 2.5 cm (1 in) of time, and pull up on the head movement, for proper restraint. installation. 3. Store the head restraint in the Head Restraint Removal and trunk of the vehicle. Reinstallation 4. When the child restraint is The rear outboard head restraints removed, reinstall the head can be removed if they interfere with restraint before the seating the proper installation of the child position is used. restraint. To remove the head restraint: 1. Partially fold the seatback forward. See Rear Seats 0 58 for additional information. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 91

1. Insert the head restraint posts install the child restraint using into the holes in the top of the Warning (Continued) LATCH. If a child restraint is seatback. The notches on the secured in the vehicle using a posts must face the driver side see your dealer to have the safety belt and it uses a top tether, of the vehicle. system inspected and any see Lower Anchors and Tethers for necessary replacements made as 0 2. Push the head restraint down. Children (LATCH System) 84 for soon as possible. top tether anchor locations. If necessary, press the height adjustment release button to Do not secure a child seat in a If the vehicle has the LATCH system position without a top tether anchor further lower the head restraint. and it was being used during a See Head Restraints 0 50. if a national or local law requires crash, new LATCH system parts that the top tether be anchored, or if 3. Try to move the head restraint may be needed. the instructions that come with the to make sure that it is locked in New parts and repairs may be child restraint say that the top strap place. necessary even if the LATCH must be anchored. system was not being used at the In Canada, the law requires that Replacing LATCH System time of the crash. forward-facing child restraints have Parts After a Crash a top tether, and that the tether be Securing Child Restraints attached. { Warning (Rear Seat) If the child restraint or vehicle seat When securing a child restraint in a position does not have the LATCH A crash can damage the LATCH system, you will be using the safety system in the vehicle. A damaged rear seating position, study the instructions that came with the child belt to secure the child restraint in LATCH system may not properly this position. Be sure to follow the secure the child restraint, restraint to make sure it is compatible with this vehicle. instructions that came with the child resulting in serious injury or even restraint. Secure the child in the death in a crash. To help make If the child restraint has the LATCH child restraint when and as the sure the LATCH system is system, see Lower Anchors and instructions say. working properly after a crash, Tethers for Children (LATCH System) 0 84 for how and where to (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

92 Seats and Restraints

If more than one child restraint needs to be installed in the rear seat, be sure to read Where to Put the Restraint 0 83. 1. Put the child restraint on the seat. If the head restraint interferes with the proper installation of the child restraint, the head restraint may be removed. See “Head Restraint Removal and Reinstallation” under Lower Anchors and Tethers for 3. Push the latch plate into the 4. Pull the shoulder belt all the Children (LATCH System) 0 84. buckle until it clicks. way out of the retractor to set Position the release button on the lock. When the retractor 2. Pick up the latch plate, and run lock is set, the belt can be the lap and shoulder portions the buckle so that the safety belt could be quickly unbuckled tightened but not pulled out of of the vehicle's safety belt the retractor. through or around the restraint. if necessary. The child restraint instructions will show you how. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 93

6. If the child restraint has a top Reinstallation” under Lower Anchors tether, follow the child restraint and Tethers for Children (LATCH manufacturer's instructions System) 0 84 for additional regarding the use of the top information on installing the head tether. See Lower Anchors and restraint properly. Tethers for Children (LATCH System) 0 84 for more Securing Child Restraints information. (Front Passenger Seat) 7. Before placing a child in the This vehicle has airbags. A rear child restraint, make sure it is seat is a safer place to secure a securely held in place. To forward-facing child restraint. See check, grasp the child restraint Where to Put the Restraint 0 83. 5. To tighten the belt, push down at the safety belt path and on the child restraint, pull the attempt to move it side to side In addition, the vehicle has a shoulder portion of the belt to and back and forth. When the passenger sensing system which is tighten the lap portion of the child restraint is properly designed to turn off the front belt, and feed the shoulder belt installed, there should be no outboard passenger frontal airbag back into the retractor. When more than 2.5 cm (1 in) of under certain conditions. See installing a forward-facing child movement. Passenger Sensing System 0 71 and Passenger Airbag Status restraint, it may be helpful to To remove the child restraint, Indicator 0 112 for more information, use your knee to push down on unbuckle the vehicle safety belt and including important safety the child restraint as you let it return to the stowed position. information. tighten the belt. If the top tether is attached to a top Try to pull the belt out of the tether anchor, disconnect it. If the Never put a rear-facing child seat in retractor to make sure the head restraint was removed, the front. This is because the risk to retractor is locked. If the reinstall it before the seating the rear-facing child is so great if the retractor is not locked, repeat position is used. See “Head airbag deploys. Steps 4 and 5. Restraint Removal and Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

94 Seats and Restraints

When using the lap-shoulder belt to { Warning Warning (Continued) secure the child restraint in this position, follow the instructions that A child in a rear-facing child forward-facing child restraint in came with the child restraint and the restraint can be seriously injured the front seat, always move the following instructions: or killed if the front outboard front passenger seat as far back passenger frontal airbag inflates. as it will go. It is better to secure 1. Move the seat as far back as it This is because the back of the the child restraint in a rear seat. will go before securing the forward-facing child restraint. rear-facing child restraint would See Passenger Sensing System When the passenger sensing be very close to the inflating 0 71 for additional information. airbag. A child in a forward-facing system has turned off the front child restraint can be seriously outboard passenger frontal injured or killed if the front If the child restraint uses a top airbag, the off indicator on the outboard passenger frontal airbag tether, see Lower Anchors and passenger airbag status inflates and the passenger seat is Tethers for Children (LATCH indicator should light and stay 0 in a forward position. System) 84 for top tether anchor lit when the vehicle is started. locations. See Passenger Airbag Status Even if the passenger sensing 0 Do not secure a child seat in a Indicator 112. system has turned off the front position without a top tether anchor 2. Put the child restraint on outboard passenger frontal if a national or local law requires the seat. airbag, no system is fail-safe. No that the top tether be anchored, or if 3. Pick up the latch plate, and run one can guarantee that an airbag the instructions that come with the the lap and shoulder portions will not deploy under some child restraint say that the top strap of the vehicle's safety belt unusual circumstance, even must be anchored. though it is turned off. through or around the restraint. In Canada, the law requires that The child restraint instructions Secure rear-facing child restraints forward-facing child restraints have will show you how. in a rear seat, even if the airbag a top tether, and that the tether be is off. If you secure a attached. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Seats and Restraints 95

4. Push the latch plate into the 5. Pull the shoulder belt all the 6. To tighten the belt, push down buckle until it clicks. way out of the retractor to set on the child restraint, pull the Position the release button on the lock. When the retractor shoulder portion of the belt to the buckle so that the safety lock is set, the belt can be tighten the lap portion of the belt could be quickly unbuckled tightened but not pulled out of belt, and feed the shoulder belt if necessary. the retractor. back into the retractor. When installing a forward-facing child restraint, it may be helpful to use your knee to push down on the child restraint as you tighten the belt. Try to pull the belt out of the retractor to make sure the retractor is locked. If the retractor is not locked, repeat Steps 5 and 6. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

96 Seats and Restraints

7. Before placing a child in the child restraint, make sure it is securely held in place. To check, grasp the child restraint at the safety belt path and attempt to move it side to side and back and forth. When the child restraint is properly installed, there should be no more than 2.5 cm (1 in) of movement. If the airbag is off, the off indicator in the passenger airbag status indicator will come on and stay on when the vehicle is started. If a child restraint has been installed and the on indicator is lit, see “If the On Indicator Is Lit for a Child Restraint” under Passenger Sensing System 0 71. To remove the child restraint, unbuckle the vehicle safety belt and let it return to the stowed position. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Storage 97 Storage Storage Cupholders Compartments Storage Compartments Storage Compartments ...... 97 { Warning Glove Box ...... 97 Cupholders ...... 97 Do not store heavy or sharp Front Storage ...... 98 objects in storage compartments. Sunglasses Storage ...... 98 In a crash, these objects may Center Console Storage ...... 99 cause the cover to open and could result in injury. Additional Storage Features Convenience Net ...... 99 Glove Box The glove box is located on the Press and release to access the passenger side of the instrument front cupholders. panel. Lift up on the lever to open it. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

98 Storage

If equipped, pull the second row Sunglasses Storage seat armrest down to access cupholders. Front Storage

If equipped, there is storage under the climate controls. Press the chrome area to open. There is a If equipped, press the cover and power outlet inside. release to access.

Pull up on the handle and pull the cover down to open. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Storage 99 Center Console Storage Additional Storage Features Convenience Net Use the convenience net located 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 hooks on the rear panel of the trunk.

There is storage in the center console armrest. Press the button to access. Depending on the options, there may be an accessory power outlet, auxiliary jack, USB port(s), and a transmitter pocket inside. See Power Outlets 0 103 and the infotainment manual. Press the fixed button to access the cupholders. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

100 Instruments and Controls

Malfunction Indicator Lamp Information Displays Instruments and (Check Engine Light) ...... 114 Power Flows Controls Brake System Warning (eAssist Only) ...... 122 Light ...... 115 Energy Information Electric Parking Brake (eAssist Only) ...... 123 Controls Light ...... 116 Driver Information Steering Wheel Adjustment . . . 101 Service Electric Parking Brake Center (DIC) ...... 123 Steering Wheel Controls ...... 101 Light ...... 116 Head-Up Display (HUD) ...... 126 Antilock Brake System (ABS) Heated Steering Wheel ...... 101 Vehicle Messages Horn ...... 102 Warning Light ...... 117 Vehicle Messages ...... 130 Windshield Wiper/Washer . . . . 102 Lane Departure Warning Battery Voltage and Charging Compass ...... 103 (LDW) Light ...... 117 Messages ...... 130 Clock ...... 103 Vehicle Ahead Indicator ...... 117 Brake System Messages . . . . . 130 Power Outlets ...... 103 Traction Off Light ...... 117 StabiliTrak® OFF Light ...... 118 Compass Messages ...... 131 Warning Lights, Gauges, and Traction Control System (TCS)/ Cruise Control Messages . . . . . 131 Indicators StabiliTrak® Light ...... 118 Door Ajar Messages ...... 132 Warning Lights, Gauges, and Engine Coolant Temperature Engine Cooling System Indicators ...... 105 Warning Light ...... 118 Messages ...... 132 Instrument Cluster ...... 106 Tire Pressure Light ...... 119 Engine Oil Messages ...... 133 Speedometer ...... 109 Engine Oil Pressure Light . . . . . 119 Engine Power Messages . . . . . 133 Odometer ...... 109 Low Fuel Warning Light ...... 120 Fuel System Messages ...... 133 Tachometer ...... 109 Security Light ...... 120 Key and Lock Messages . . . . . 133 Fuel Gauge ...... 110 High-Beam On Light ...... 120 Lamp Messages ...... 134 Engine Coolant Temperature Adaptive Forward Lighting Object Detection System Gauge ...... 111 (AFL) Light ...... 120 Messages ...... 134 Safety Belt Reminders ...... 111 Front Fog Lamp Light ...... 121 Ride Control System Airbag Readiness Light ...... 112 Lamps On Reminder ...... 121 Messages ...... 136 Passenger Airbag Status Cruise Control Light ...... 121 Airbag System Messages . . . . 137 Indicator ...... 112 Door Ajar Light ...... 121 Security Messages ...... 137 Charging System Light ...... 113 Service Vehicle Messages . . . . 137 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Instruments and Controls 101 Starting the Vehicle Controls Steering Wheel Controls Messages ...... 137 Tire Messages ...... 137 The infotainment system can be Transmission Messages ...... 138 Steering Wheel operated by using the steering Vehicle Speed Messages . . . . . 138 Adjustment wheel controls. See "Steering Window Messages ...... 138 Wheel Controls" in the infotainment manual. Vehicle Personalization Vehicle Personalization ...... 139 Heated Steering Wheel Universal Remote System Universal Remote System . . . . 145 Universal Remote System Programming ...... 145 Universal Remote System Operation ...... 147

To adjust the steering wheel: 1. Pull the lever down. 2. Move the steering wheel up or down. ((Heated Steering Wheel) : 3. Pull or push the steering wheel If equipped with a heated steering closer or away from you. wheel, press to turn on or off. A light 4. Pull the lever up to lock the on the button displays when the steering wheel in place. feature is turned on. The steering wheel takes about three minutes to Do not adjust the steering wheel start heating. while driving. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

102 Instruments and Controls

Horn n L (Windshield Washer) : Pull the windshield wiper lever toward Press a on the steering wheel pad you to spray washer fluid and to sound the horn. activate the wipers. The wipers will continue until the lever is released Windshield Wiper/Washer or the maximum wash time is reached. When the lever is INT (Intermittent Wipes) : Move released, additional wipes may the lever up to INT for intermittent occur depending on how long the wipes, then turn the x INT band windshield washer had been 0 up for more frequent wipes or down activated. See Washer Fluid 247 for less frequent wipes. for information on filling the windshield washer fluid reservoir. OFF : Use to turn the wipers off. The windshield wiper/washer lever Clear snow and ice from the wiper is on the right side of the steering 1X (Mist) : For a single wipe, briefly blades and windshield before using column. move the wiper lever down. For them. If frozen to the windshield, several wipes, hold the wiper carefully loosen or thaw them. With the ignition in ACC/ lever down. Damaged blades should be ACCESSORY or ON/RUN/START, replaced. See Wiper Blade move the windshield wiper lever to { Warning Replacement 0 253. select the wiper speed. Heavy snow or ice can overload the In freezing weather, do not use HI : Use for fast wipes. wiper motor. the washer until the windshield is LO : Use for slow wipes. warmed. Otherwise the washer Wiper Parking fluid can form ice on the If the ignition is put in OFF while the windshield, blocking your vision. wipers are on LO, HI, or INT, they will immediately stop. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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If the windshield wiper lever is then will automatically determine when a Press q BACK to go to the last moved to OFF before the driver GPS signal is restored and provide menu and save the changes or { to door is opened or within 10 minutes, a heading again. See Compass the wipers will restart and move to Messages 0 131 for the messages return to the Home Page. the base of the windshield. that may be displayed for the Power Outlets If the ignition is put in OFF while the compass. wipers are performing wipes due to Power Outlets 12 Volt Direct windshield washing, the wipers Clock Current continue to run until they reach the Setting the Time and Date The accessory power outlets can be base of the windshield. used to plug in electrical equipment, To set the time or date: such as a cell phone or MP3 player. Compass 1. Select Settings from the Home There are two accessory power Page, then select Time and The vehicle may have a compass outlets: one under the armrest Date Settings. display on the Driver Information inside the center console storage, Center (DIC). The compass receives 2. Select the desired function. and one on the rear of the center its heading and other information floor console. from the Global Positioning To set the time or date, press « or System (GPS) antenna, ª to change the hour, minutes, The outlet is powered when the StabiliTrak®, and vehicle speed AM, PM, day, month, or year. ignition is in ON/RUN or ACC/ information. ACCESSORY, or until the driver To change the 12-24Hr setting, door is opened within 10 minutes of The compass system is designed to press the 12-24Hr button. turning off the vehicle. See Retained operate for a certain number of To turn Auto Set on and off, press Accessory Power (RAP) 0 183. miles or degrees of turn before the Auto Set button. needing a signal from the GPS Open the protective cover to use the satellites. When the compass If auto timing is set, the time accessory power outlet. display shows CAL, drive the displayed on the clock may not Certain electrical accessories may vehicle for a short distance in an update immediately when driving not be compatible with the open area where it can receive a into a new time zone. accessory power outlet and could GPS signal. The compass system Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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overload vehicle or adapter fuses. If you try to connect equipment If there is a problem, see your using more than 150 watts or a dealer. system fault is detected, the When adding electrical equipment, equipment may operate for a short be sure to follow the installation period and turn itself off. instructions included with the A protection circuit shuts off the equipment. See Add-On Electrical power supply and the indicator light Equipment 0 225. turns off. To reset the circuit, unplug the item and plug it back in or turn the Remote Accessory Power (RAP) Caution off and then back on. See Retained Accessory Power (RAP) 0 183. Hanging heavy equipment from Prolonged usage of the power outlet the power outlet can cause The power outlet is on the rear of the center console. at the maximum load of 150 watts damage not covered by the may cause the outlet to overheat vehicle warranty. The power An indicator light on the outlet and automatically shut down. The outlets are designed for comes on when in use. The light power restarts when equipment that accessory power plugs only, such comes on when the ignition is in operates within the limit is plugged as cell phone charge cords. ON/RUN, equipment requiring less into the outlet and a system fault is than 150 watts is plugged into the not detected. outlet, and no system fault is Power Outlet 110 Volt Alternating detected. The power outlet is not designed for Current the following equipment, and may The indicator light does not come on The vehicle may have a power not work properly if any of the when the ignition is in LOCK/OFF or following is plugged in: outlet that can be used to plug in if the equipment is not fully seated electrical equipment with a into the outlet. . Equipment with high initial peak maximum limit of 150 watts. wattage such as: compressor-driven refrigerators and electric power tools. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Instruments and Controls 105 . Other equipment requiring an Warning Lights, Some warning lights come on briefly extremely stable power supply when the engine is started to such as: Gauges, and indicate they are working. When microcomputer-controlled one of the warning lights comes on electric blankets, touch sensor Indicators and stays on while driving, or when lamps, etc. Warning lights and gauges can one of the gauges shows there may . Medical equipment. signal that something is wrong be a problem, check the section that before it becomes serious enough explains what to do. Waiting to do to cause an expensive repair or repairs can be costly and even replacement. Paying attention to the dangerous. warning lights and gauges could prevent injury. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

106 Instruments and Controls

Instrument Cluster

English Shown, Metric Similar Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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English eAssist Shown, Metric eAssist Similar Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

108 Instruments and Controls

Cluster Menu . Info App. This is where you can Navigation view the selected Driver There is an interactive display area V Information Center (DIC) Press to select the Navigation in the center of the instrument displays. See Driver Information app, then press T to enter the cluster. Center (DIC) 0 123. 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 . Settings guidance or turn the voice prompts on/off. Audio Settings Press V to select the Audio app, Press V to select the Settings 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 Settings 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Info Pages : Press T while Info Software Information : Displays Tachometer Pages is displayed to enter the Info the open source software information. The tachometer displays the engine Pages menu and select the items to speed in revolutions per be displayed in the Info App. See Compass : In certain vehicles the minute (rpm). Driver Information Center compass setting will allow for (DIC) 0 123. manually setting the compass. The For eAssist vehicles, when the user can set the zone and calibrate ignition is in ON/RUN, the Adaptive Cruise Control : Allows tachometer indicates the vehicle the driver to select the Auto or the compass. This setting page is only available on vehicles that are status. When pointing to AUTO Manual setting for Adaptive Cruise STOP, the engine is off but the Control (ACC). When the Auto equipped with Remote Compass Module. vehicle is on and can move. The setting is on, ACC will adjust the engine could auto start at any time. vehicle speed based on the Jump Start : The Jump Start When the indicator points to OFF, detected road speed. display is used to perform an the vehicle is off. on-board jump start for eAssist Speed Warning : The Speed When the engine is on, the Warning display allows the driver to vehicles. See “Jump Starting (On-board with eAssist Only)” in the tachometer will indicate the engine’s set a speed that they do not want to revolutions per minute (rpm). The exceed. To set the Speed Warning, Index. T tachometer may vary by several press when Speed Warning is Speedometer hundred rpm’s, during auto stop displayed. Press y or z to adjust mode, when the engine is shutting The speedometer shows the the value. Press V to set the speed. off and restarting. vehicle's speed in either kilometers A slight bump may be felt when the Once the speed is set, this feature per hour (km/h) or miles per transmission is determining the can be turned off by pressing V hour (mph). while viewing this page. If the most fuel efficient operating range. selected speed limit is exceeded, a Odometer pop-up warning is displayed with a chime. The odometer shows how far the vehicle has been driven, in either kilometers or miles. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

110 Instruments and Controls

Here are four things that some Caution owners ask about. None of these show a problem with the fuel gauge: If the engine is operated with the rpm’s in the warning area at the . At the service station, the fuel high end of the tachometer, the pump shuts off before the gauge vehicle could be damaged, and reads full. the damage would not be covered . It takes a little more or less fuel by the vehicle warranty. Do not to fill up than the gauge operate the engine with the rpm’s indicated. For example, the in the warning area. gauge indicated the tank was half full, but it actually took a little more or less than half the English Fuel Gauge 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. 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.

Metric Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Engine Coolant conditions, pull off the road, stop the vehicle, and turn off the engine as Temperature Gauge soon as possible. See Engine Overheating 0 245 for more information. Safety Belt Reminders Driver Safety Belt Reminder Light There is a driver safety belt reminder light on the instrument English cluster. This gauge shows the engine coolant temperature. Metric If the gauge pointer moves toward the shaded area, the engine is too hot. In eAssist vehicles, the engine coolant warning light comes on When the vehicle is started, this when the engine is too hot. See light flashes and a chime may come Engine Coolant Temperature on to remind the driver to fasten Warning Light 0 118 in this section. their safety belt. Then the light stays This reading indicates the same on solid until the belt is buckled. thing as the warning light. It means This cycle may continue several that the engine coolant has times if the driver remains or overheated. If the vehicle has been becomes unbuckled while the operating under normal driving vehicle is moving. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

112 Instruments and Controls

If the driver safety belt is buckled, The front passenger safety belt The airbag readiness light comes on neither the light nor the chime reminder light and chime may turn for several seconds when the comes on. 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 Passenger Safety Belt grocery bag, laptop, or other immediately. Reminder Light electronic device. To turn off the There is a passenger safety belt reminder light and/or chime, remove { Warning reminder light near the passenger the object from the seat or buckle airbag status indicator. See the safety belt. If the airbag readiness light stays Passenger Sensing System 0 71. on after the vehicle is started or Airbag Readiness Light comes on while driving, it means This light shows if there is an the airbag system might not be electrical problem with the airbag working properly. The airbags in system. The system check includes the vehicle might not inflate in a the airbag sensor(s), passenger crash, or they could even inflate sensing system, the pretensioners, without a crash. To help avoid the airbag modules, the wiring, and injury, have the vehicle serviced When the vehicle is started, this the crash sensing and diagnostic right away. light flashes and a chime may come module. For more information on the on to remind passengers to fasten airbag system, see Airbag their safety belt. Then the light stays System 0 65. Passenger Airbag Status on solid until the belt is buckled. Indicator This cycle continues several times if the passenger remains or becomes The vehicle has a passenger sensing system. See Passenger unbuckled while the vehicle is 0 moving. Sensing System 71 for important safety information. The overhead If the passenger safety belt is console has a passenger airbag buckled, neither the chime nor the status indicator. light comes on. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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If the word ON or the on symbol is Charging System Light lit on the passenger airbag status indicator, it means that the front outboard passenger frontal airbag is allowed to inflate. If the word OFF or the off symbol is United States lit on the airbag status indicator, it means that the passenger sensing system has turned off the front The charging system light comes on outboard passenger frontal airbag. briefly when the ignition is turned If, after several seconds, both status on, but the engine is not running, as indicator lights remain on, or if there a check to show the light is working. are no lights at all, there may be a The light turns off when the engine is started. If it does not, have the Canada and Mexico problem with the lights or the passenger sensing system. See vehicle serviced by your dealer. When the vehicle is started, the your dealer for service. If the light stays on, or comes on passenger airbag status indicator while driving, there could be a will light ON and OFF, or the symbol { Warning problem with the electrical charging for on and off, for several seconds system. Have it checked by your as a system check. Then, after If the airbag readiness light ever dealer. Driving while this light is on several more seconds, the status comes on and stays on, it means could drain the battery. indicator will light either ON or OFF, that something may be wrong or either the on or off symbol, to let If a short distance must be driven with the airbag system. To help with the light on, be sure to turn off you know the status of the front avoid injury to yourself or others, outboard passenger frontal airbag. all accessories, such as the radio have the vehicle serviced right and air conditioner. away. See Airbag Readiness Light 0 112 for more information, including important safety information. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Malfunction Indicator If the light is flashing : A Caution malfunction has been detected that Lamp (Check Engine could damage the emission control Light) If the vehicle is driven continually system and increase vehicle with this light on, the emission emissions. Diagnosis and service This light is part of the vehicle’s control system may not work as may be required. emission control on-board well, the fuel economy may be diagnostic system. If this light is on lower, and the vehicle may not To help prevent damage, reduce while the engine is running, a run smoothly. This could lead to vehicle speed and avoid hard malfunction has been detected and accelerations and uphill grades. costly repairs that might not be the vehicle may require service. The If towing a trailer, reduce the covered by the vehicle warranty. light should come on to show that it amount of cargo being hauled as is working when the ignition is in soon as possible. ON/RUN with the engine not If the light continues to flash, find a running for Key Access or in Service Caution safe place to park. Turn the vehicle Only Mode for Keyless Access. See off and wait at least 10 seconds Ignition Positions (Keyless Access) Modifications to the engine, before restarting the engine. If the 0 175 or Ignition Positions (Key transmission, exhaust, intake, light is still flashing, follow the Access) 0 176. or fuel system, or the use of replacement tires that do not previous guidelines and see your meet the original tire dealer for service as soon as specifications, can cause this light possible. to come on. This could lead to If the light is on steady : A costly repairs not covered by the malfunction has been detected. vehicle warranty. This could also Diagnosis and service may be affect the vehicle’s ability to pass required. Malfunctions are often indicated by an Emissions Inspection/ Check the following: the system before any problem is Maintenance test. See Accessories and . A loose or missing fuel cap may noticeable. Being aware of the light cause the light to come on. See Modifications 0 228. and seeking service promptly when Filling the Tank 0 217. A few it comes on may prevent damage. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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driving trips with the cap The DLC is under the instrument been replaced or run down, or if properly installed may turn the panel to the left of the steering the vehicle has been recently light off. wheel. Connecting devices that are serviced. . Poor fuel quality can cause not used to perform an Emissions See your dealer if the vehicle will inefficient engine operation and Inspection/Maintenance test or to not pass or cannot be made ready poor driveability, which may go service the vehicle may affect for the test. vehicle operation See Add-On away once the engine is warmed 0 up. If this occurs, change the Electrical Equipment 225. See your dealer if assistance is needed. Brake System Warning fuel brand. It may require at Light least one full tank of the proper The vehicle may not pass fuel to turn the light off. See inspection if: The vehicle brake system consists 0 of two hydraulic circuits. If one Fuel 215. . The light is on when the engine circuit is not working, the remaining If the light remains on, see your is running. circuit can still work to stop the dealer. . The light does not come on vehicle. For normal braking Emissions Inspection and when the ignition is in ON/RUN performance, both circuits need to Maintenance Programs with the engine not running for be working. Key Access or in Service Only If the warning light comes on, there If the vehicle requires an Emissions Mode for Keyless Access. Inspection/Maintenance test, the is a brake problem. Have the brake test equipment will likely connect to . Critical emission control systems system inspected right away. the vehicle's Data Link have not been completely Connector (DLC). diagnosed. If this happens, the 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 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

116 Instruments and Controls

This light should come on briefly Electric Parking Brake Service Electric Parking when the engine is started. If it does not come on then, have it fixed so it Light Brake Light will be ready to warn you if there is a problem. If the light comes on and stays on, there is a brake problem.

{ Warning Metric English This light should come on briefly The brake system might not be The parking brake status light when starting the vehicle. If it does comes on when the brake is working properly if the brake not come on, have it fixed so it will applied. If the light continues system warning light is on. be ready to warn if there is a flashing after the parking brake is Driving with the brake system problem. warning light on can lead to a released, or while driving, there is a crash. If the light is still on after problem with the electric parking If this light stays on, there is a the vehicle has been pulled off brake system. A message may also problem with the Electric Parking Brake system or another system on the road and carefully stopped, display on the Driver Information the vehicle that is causing the have the vehicle towed for Center (DIC). See Brake System Messages 0 130. parking brake system to work at a service. reduced level. The vehicle can still If the light does not come on, be driven, but should be taken to a or remains flashing, see your dealer. dealer as soon as possible. See the information for the Electric Parking Brake under Parking Brake 0 190. If a message displays in the Driver Information Center (DIC), see Brake System Messages 0 130. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Antilock Brake System If both the ABS and the brake Vehicle Ahead Indicator system warning light are on, the (ABS) Warning Light vehicle's antilock brakes are not functioning and there is a problem with the regular brakes. See your dealer for service. See Brake System Warning Light 0 115 and Brake System Messages 0 130. If equipped, this indicator will This light comes on briefly when the display green when a vehicle is engine is started. Lane Departure Warning detected ahead and amber when (LDW) Light you are following a vehicle ahead If the light does not come on, have it much too closely. fixed so it will be ready to warn if there is a problem. See Forward Collision Alert (FCA) System 0 208. If the light comes on while driving, stop as soon as it is safely possible Traction Off Light and turn off the vehicle. Then start the engine again to reset the system. If the ABS light stays on, This light is green if LDW is on and or comes on again while driving, the ready to operate. vehicle needs service. A chime may also sound when the light comes on This light changes to amber and steady. flashes to indicate that the lane marking has been crossed without If the ABS light is the only light on, using a turn signal in that direction. This light comes on briefly while the vehicle has regular brakes, but starting the engine. If it does not, See Lane Departure Warning the antilock brakes are not have the vehicle serviced by your functioning. (LDW) 0 213. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

118 Instruments and Controls

dealer. If the system is working This light comes on when the If the light is on and not flashing, the normally, the indicator light then StabiliTrak system is turned off. TCS and potentially the StabiliTrak turns off. If StabiliTrak is off, the Traction system have been disabled. A DIC The traction off light comes on when Control System (TCS) is also off. message may display. Check the the Traction Control System (TCS) If StabiliTrak and TCS are off, the DIC messages to determine which has been turned off by pressing and system does not assist in controlling feature(s) is no longer functioning releasing the TCS/StabiliTrak the vehicle. Turn on the TCS and and whether the vehicle requires button. the StabiliTrak systems, and the service. This light and the StabiliTrak OFF warning light turns off. If the light is on and flashing, the light come on when StabiliTrak is See Traction Control/Electronic TCS and/or the StabiliTrak system turned off. Stability Control 0 192. is actively working. See Traction Control/Electronic If the TCS is off, wheel spin is not 0 limited. Adjust driving accordingly. Traction Control System Stability Control 192. (TCS)/StabiliTrak® Light See Traction Control/Electronic Engine Coolant 0 Stability Control 192. Temperature Warning StabiliTrak® OFF Light Light

This light comes on briefly when the engine is started. If the light does not come on, have This light comes on briefly while the vehicle serviced by your dealer. This light comes on briefly while starting the engine. If it does not, If the system is working normally, starting the vehicle. have the vehicle serviced by your the indicator light turns off. dealer. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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If it does not, have the vehicle Tire Pressure Light When the Light Flashes First and serviced by your dealer. If the Then Is On Steady system is working normally the If the light flashes for about a minute indicator light goes off. and then stays on, there may be a problem with the TPMS. If the Caution problem is not corrected, the light will come on at every ignition cycle. The engine coolant temperature See Tire Pressure Monitor warning light indicates that the For vehicles with the Tire Pressure Operation 0 274. vehicle has overheated. Driving Monitor System (TPMS), this light with this light on can damage the comes on briefly when the engine is Engine Oil Pressure Light engine and it may not be covered started. It provides information by the vehicle warranty. See about tire pressures and the TPMS. Caution Engine Overheating 0 245. When the Light Is On Steady Lack of proper engine oil The engine coolant temperature This indicates that one or more of maintenance can damage the warning light comes on when the the tires are significantly engine. Driving with the engine oil engine has overheated. underinflated. low can also damage the engine. If this happens, pull over and turn A Driver Information Center (DIC) The repairs would not be covered off the engine as soon as possible. tire pressure message may also by the vehicle warranty. Check See Engine Overheating 0 245. display. See Tire Messages 0 137. the oil level as soon as possible. Stop as soon as possible, and Add oil if required, but if the oil inflate the tires to the pressure value level is within the operating range shown on the Tire and Loading and the oil pressure is still low, Information label. See Tire have the vehicle serviced. Always Pressure 0 271. follow the maintenance schedule for changing engine oil. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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It also comes on when the fuel tank High-Beam On Light is low on fuel. The light turns off when fuel is added. If it does not, have the vehicle serviced. Security Light This light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced This light comes on when the by your dealer. high-beam headlamps are in use. If the light comes on and stays on, it See Headlamp High/Low-Beam means that oil is not flowing through Changer 0 149. the engine properly. The vehicle could be low on oil and might have The security light should come on Adaptive Forward some other system problem. See briefly as the engine is started. If it your dealer. does not come on, have the vehicle Lighting (AFL) Light serviced by your dealer. If the Low Fuel Warning Light system is working normally, the indicator light turns off. If the light stays on and the engine does not start, there could be a problem with the theft-deterrent system. See Immobilizer Operation (Key Access) 0 41 or Immobilizer This light should come on briefly as Operation (Keyless Access) 0 42. the vehicle is started. If it does not This light is near the fuel gauge and come on, have the vehicle serviced comes on briefly when the ignition is by your dealer. turned on as a check to show it is working. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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This light comes on solid when Lamps On Reminder Adaptive Cruise Control Light there is a problem with the AFL system. It flashes when the system is switching between lighting modes. See Adaptive Forward Lighting (AFL) 0 150. Front Fog Lamp Light This light comes on when the This light is white when the Adaptive exterior lamps are in use. See Cruise Control (ACC, if equipped) is Exterior Lamp Controls 0 148. on and ready, and turns green when the ACC is set and active. See Cruise Control Light Adaptive Cruise Control 0 197. Door Ajar Light For vehicles with fog lamps, this light comes on when the fog lamps are on. The light goes out when the fog lamps are turned off. See Fog Lamps 0 151 for more information. The cruise control light is white when the cruise control is on and ready, and turns green when the When the ignition is on, this light cruise control is set and active. stays on until all doors are closed and completely latched. See Cruise Control 0 195. If a door is not closed properly, a chime sounds after the engine is started and the vehicle is not in P (Park). Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

122 Instruments and Controls Information Displays Power Flows (eAssist Only) To view the Power Flow screens in the center stack display, press the [ button on the Home screen or on the Application Tray on the top of the infotainment system touch Engine Power – Engine is active Regen Recovery – Power from the screen. Then press the Flow button with energy flowing to the wheels. wheels returns to the battery during at the bottom of the touch screen. regenerative braking or coasting. These screens indicate the current operating condition and the energy flow between the engine, generator, and high voltage battery.

Engine Idle – Vehicle is stationary with engine active and no power is Hybrid Power – Both the engine and flowing to the wheels. battery are active with energy flowing to the wheels.

Auto Stop – Vehicle is stationary with battery active and no power is flowing to the wheels. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Driver Information S or T : Press S to open Center (DIC) application menus on the left. Press T to open interaction menus on the The DIC displays are shown in the right. center of the instrument cluster in V the Info App. See Instrument Cluster (Set/Reset) : Press to open a 0 106. The Info App is only menu or select a menu item. Press available when the vehicle is in ON/ and hold to reset values on certain RUN. The displays show the status screens. Power Off – No power is flowing to of many vehicle systems. The DIC Info Page Options the wheels. controls for the DIC are on the right steering wheel control. The info pages on the DIC can be turned on or off through the Energy Information Settings app. (eAssist Only) 1. Press S to access the cluster To view the Efficiency Tips screen applications. on the center stack display, press the [ button on the Home screen 2. Press y or z to scroll to the or on the Application Tray on the top Settings application. of the infotainment system touch 3. Press V to select the screen. Then press the Tips button Settings app. at the bottom of the touch screen. Efficiency Tips 4. Press y or z to scroll to Info Pages and press T. The Efficiency Tips screen provides a guide on how to improve energy 5. Select Edit List or press T. usage to increase fuel economy. y or z : Press to move up or down in a list. 6. Press y or z to move through the list of possible information displays. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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7. Press V while an item is display is active, or by pressing T holding V while this display is highlighted to select or and resetting through the active, or by pressing T and deselect that item. When an right menu. resetting through the right menu. item is selected, a checkmark The Average Fuel Economy display will appear next to it. Fuel Range and Instantaneous shows the approximate average Fuel Economy : Displays the DIC Info Pages liters per 100 kilometers (L/100 km) approximate distance the vehicle or miles per gallon (mpg). This can be driven without refueling. The following is the list of all number is calculated based on the possible DIC info page displays. LOW will be displayed when the number of L/100 km (mpg) recorded vehicle is low on fuel. The fuel Some may not be available for your since the last time this menu item particular vehicle. Some items may range estimate is based on an was reset. This number reflects only average of the vehicle's fuel not be turned on by default but can the approximate average fuel be turned on through the Settings economy over recent driving history economy that the vehicle has right and the amount of fuel remaining in app. See “DIC Info Page Options” now, and will change as driving the fuel tank. earlier in this section. conditions change. The Average Speed (Sport Theme Only) : Fuel Economy can be reset by Displays the current fuel economy in either liters per 100 kilometers Displays the vehicle speed in either pressing and holding V while this (L/100 km) or miles per kilometers per hour (km/h) or miles display is active, or by pressing T per hour (mph). gallon (mpg). This number reflects and resetting through the only the approximate fuel economy Trip A or Trip B with Average Fuel right menu. that the vehicle has right now and Economy and Average Speed : The Average Speed display shows changes frequently as driving The Trip display shows the current the average speed of the vehicle in conditions change. distance traveled, in either kilometers per hour (km/h) or miles kilometers (km) or miles (mi), since Oil Life : Displays an estimate of per hour (mph). This average is the trip odometer was last reset. the oil's remaining useful life. calculated based on the various The trip odometer can be reset by If REMAINING OIL LIFE 99% is V vehicle speeds recorded since the displayed, that means 99% of the pressing and holding while this last reset of this value. The average current oil life remains. speed can be reset by pressing and Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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When the remaining oil life is low, Tire Pressure : Displays the behavior in the bar graph affects the the CHANGE ENGINE OIL SOON approximate pressures of all four running average in the left display message will appear on the display. tires. Tire pressure is displayed in and how well recent driving See Engine Oil Messages 0 133. either kilopascal (kPa) or in pounds compares to the best that has been The oil should be changed as soon per square inch (psi). If the pressure achieved. 0 as possible. See Engine Oil 236. is low, the value for that tire is Fuel Used and Timer : Displays In addition to the engine oil life shown in amber. See Tire Pressure the approximate liters (L) or system monitoring the oil life, Monitor System 0 273 and Tire 0 gallons (gal) of fuel that have been additional maintenance is Pressure Monitor Operation 274. used since last reset. The fuel used recommended in the Maintenance Fuel Economy : The right hand can be reset by pressing the T Schedule. See Maintenance side displays the best average fuel Schedule 0 314. button while the Fuel Used display economy (AFE) that is achieved for is showing. The Oil Life display must be reset a selected distance. The left hand after each oil change. It will not side displays a running average of To start the timer, press V while this reset itself. Do not reset the Oil Life fuel economy for the most recently display is active. The display will display accidentally at any time traveled selected distance. The show the amount of time that has other than when the oil has just center bar graph displays the passed since the timer was last been changed. It cannot be reset instantaneous fuel economy. Press reset. To stop the timer, press V accurately until the next oil change. the T button to display a page for briefly while this display is active To reset the engine oil life system, selecting one of the distance V and the timer is running. To reset press and hold for several options. Move the up/down arrow to the timer to zero, press T while this seconds while the Oil Life display is choose the selection, and V to display is active and select Reset active. See Engine Oil Life change the setting. When viewing from the timer menu. 0 System 238. best AFE, a several second press Speed Limit : Displays sign and hold of V will reset the best information, which comes from a value. The best value will show roadway database in the onboard “---“ until the selected distance has navigation. been traveled. The display provides feedback on how current driving Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Following Distance Indicator/Gap Top Consumers : Displays the top Head-Up Display (HUD) Setting : The current follow time to four vehicle energy consumers, the vehicle ahead is displayed as a along with their total fuel time value on this page when consumption. { Warning Adaptive Cruise Control (ACC) is Economy Trend : Displays history If the HUD image is too bright or not engaged. When ACC has been of the Average Fuel Economy from too high in your field of view, it engaged, the Follow Distance the last 50 km (30 miles). Each bar may take you more time to see Indicator page switches to the Gap represents about 5 km (3 miles) of things you need to see when it is Setting page. This page shows the driving. The fuel economy will range current gap setting. See Forward dark outside. Be sure to keep the from 0 – 15 L/100 km (0 – 50 mpg). Collision Alert (FCA) System 0 208 HUD image dim and placed low in 0 During driving the bars will shift to your field of view. and Adaptive Cruise Control 197. always reflect the most recent Driver Efficiency Gauge (eAssist distance on the right side. This Only) : Assists in driving efficiently display cannot be reset. If equipped with HUD, some information concerning the and will vary based on driver input. ECO Index : The bar graph on the To maximize efficiency, keep the operation of the vehicle is projected left hand side provides feedback on onto the windshield. The information leaf in the solid green zone in the the efficiency of current driving center of the gauge. The gauge is projected through the HUD lens behavior. The graph shows on the driver side of the instrument moves down when braking and up a percentage value that is based on when accelerating. When either is panel and focused out toward the current fuel consumption compared front of the vehicle. done aggressively, the vehicle is to what is expected from the vehicle being driven less efficiently and the with good and bad driving habits. gauge will move further from the Each box represents 10%, with all Caution center. boxes filled being 100%. More If you try to use the HUD image Drive Cycle Summary (eAssist economical driving will result in as a parking aid, you may Only) : Displays the distance being in the ECO box. misjudge the distance and traveled and the fuel economy for Instantaneous Fuel Economy is also that trip. shown on right hand side. This damage your vehicle. Do not use display cannot be reset. the HUD image as a parking aid. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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The HUD information can be The HUD may display some of the displayed in various languages. The following vehicle information and speedometer reading and other vehicle messages or alerts: numerical values can be displayed . Speed in either English or metric units. . Tachometer The language selection is changed through the radio and the units of . Audio measurement is changed through . Phone the instrument cluster. See Vehicle Personalization 0 139 and “Settings” . Navigation under Instrument Cluster 0 106. . Collision Alert . Cruise Control The HUD control is to the left of the . Lane Departure steering wheel. . Low Fuel To adjust the HUD image: Some vehicle messages or alerts 1. Adjust the driver seat to a displayed in the HUD may be comfortable position. cleared by using the steering wheel controls. See Vehicle 2. Start the engine. Messages 0 130. Use the following settings to adjust the HUD. « or ª (Image Adjustment) : HUD Display on the Vehicle Press the up or down arrows to center the HUD image. The HUD Windshield image can only be adjusted up and down, not side to side. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Image Brightness : Turn the HUD Views dimming knob clockwise or There are four views in the HUD. counterclockwise to brighten or dim Some vehicle information and the display. vehicle messages or alerts may be The HUD image will automatically displayed in any view. dim and brighten to compensate for outside lighting. The HUD Metric brightness control can also be adjusted as needed. The HUD image can temporarily light up depending on the angle and position of the sunlight on the HUD Metric display. This is normal. Polarized sunglasses could make English the HUD image harder to see. Audio/Phone View : This display PAGE : Press to select the display includes the information in speed view. Release the PAGE button view along with audio/phone when the desired display is shown information. The current radio on the HUD. If vehicle messages English station, media type, and incoming are displayed, pressing PAGE may calls will be displayed. clear the message. Speed View : This display gives the speedometer reading (in English or All HUD views may briefly display OFF : To turn HUD off, turn the metric units), Adaptive Cruise audio information when the driver HUD dimming knob fully Control speed, Lane Departure uses the steering wheel controls to counterclockwise until the HUD Warning, and Vehicle Ahead adjust the audio settings appearing display turns off. indicator. Some information only in the instrument cluster. appears on vehicles that have these Incoming phone calls appearing in features, and when they are active. the instrument cluster, may also display in any HUD view. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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If You Cannot See the HUD Image When the Ignition Is On Check that: . Nothing is covering the HUD lens. Metric Metric . HUD brightness setting is not too dim or too bright. . HUD is adjusted to the proper height. . Polarized sunglasses are not worn. . Windshield and HUD lens are English English clean. Navigation View : This display Performance View : This display If the HUD image is not correct, includes the information in speed gives the speedometer reading (in contact your dealer. view along with Turn-by-Turn English or metric units), rpm Navigation information. The reading, transmission positions, and The windshield is part of the HUD compass heading is displayed when gear shift indicator. system. See Windshield navigation routing is not active. Replacement 0 253. Care of the HUD Navigation Turn-by-Turn Alerts shown in the instrument cluster may Clean the inside of the windshield also be displayed in any HUD view. 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

130 Instruments and Controls Vehicle Messages Battery Voltage and Brake System Messages Messages displayed on the DIC Charging Messages BRAKE FLUID LOW indicate the status of the vehicle or BATTERY SAVER ACTIVE This message is displayed when the some action that may be needed to brake fluid level is low. See Brake correct a condition. Multiple This message displays when the Fluid 0 249. messages may appear one after vehicle has detected that the battery another. voltage is dropping beyond a STEP ON BRAKE TO reasonable point. The battery saver RELEASE PARK BRAKE The messages that do not require system starts reducing features of immediate action can be the vehicle that may be noticed. At This message is displayed if you acknowledged and cleared by the point that features are disabled, attempt to release the electric pressing V. this message displays. Turn off parking brake without the brake pedal applied. See Parking Brake The messages that require unnecessary accessories to allow 0 190 for more information. immediate action cannot be cleared the battery to recharge. until that action is performed. LOW BATTERY RELEASE PARK BRAKE All messages should be taken This message is displayed when the This message is displayed if the seriously; clearing the message battery voltage is low. See Battery - electric parking brake is on while the does not correct the problem. North America 0 250. vehicle is in motion. Release it before you attempt to drive. See The following are the possible SERVICE BATTERY messages and some information Parking Brake 0 190 for more about them. CHARGING SYSTEM information. This message is displayed when SERVICE BRAKE ASSIST there is a fault in the battery charging system. Take the vehicle to This message may be displayed your dealer for service. when there is a problem with the brake boost assist system. When this message is displayed, the brake boost assist motor might be heard operating and you might notice Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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pulsation in the brake pedal. This is Cruise Control Messages FRONT RADAR BLOCKED — normal under these conditions. Take SEE OWNER MANUAL the vehicle to your dealer for ADAPTIVE CRUISE SET service. TO XXX This message can occur under the following conditions: SERVICE PARKING BRAKE This message displays when the Adaptive Cruise Control (ACC) . The radar is not clean. Keep the This message is displayed when speed is set. See Adaptive Cruise radar sensors free of mud, dirt, there is a problem with the electric Control 0 197. snow, ice, and slush. Clean the parking brake. See Parking Brake entire front and/or rear of the 0 190 for more information. Take the ADAPTIVE CRUISE vehicle. For cleaning vehicle to your dealer. TEMPORARILY UNAVAILABLE instructions, see Exterior Care 0 304. This message displays when Compass Messages attempting to activate Adaptive . Heavy rain or snow is interfering CAL Cruise Control (ACC) when it is with the radar object detection or temporarily unavailable. The ACC camera performance. This message is displayed when the system does not need service. compass needs to be calibrated. CRUISE SET TO XXX See Compass 0 103. This can occur under the following This message displays when the conditions: cruise control speed is set. See –– . Cruise is turned on when the Cruise Control 0 195. Dashes will be displayed if the vehicle is stopped. compass needs service. See your NO CRUISE BRAKING GAS . The radar can't see objects well. dealer for service. PEDAL APPLIED See next message. This message displays when Adaptive Cruise Control (ACC) is active and the driver is pressing the gas pedal. When this occurs, ACC will not brake. See Adaptive Cruise Control 0 197. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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SERVICE ADAPTIVE CRUISE LEFT REAR DOOR OPEN engine, the air conditioning compressor automatically turns off. CONTROL This message will display when the When the coolant temperature driver side rear door is open. Close This message displays when the returns to normal, the air the door completely. Adaptive Cruise Control (ACC) conditioning compressor turns back needs service. Take the vehicle to PASSENGER DOOR OPEN on. You can continue to drive the your dealer. vehicle. This message will display when the SHIFT TO PARK BEFORE front passenger door is open. Close If this message continues to appear, EXITING the door completely. have the system repaired by your dealer as soon as possible to avoid This message may display if RIGHT REAR DOOR OPEN Adaptive Cruise Control (ACC) is damage to the engine. engaged holding the vehicle at a This message will display when the COOLANT LEVEL LOW ADD stop, and the driver attempts to exit passenger side rear door is open. COOLANT the vehicle. Put the vehicle in Close the door completely. P (Park) before exiting. This message will display if the TRUNK OPEN coolant is low. See Engine Door Ajar Messages This message will display when the Coolant 0 243. trunk is open. Close the trunk ENGINE OVERHEATED DRIVER DOOR OPEN completely. — IDLE ENGINE This message will display when the driver door is open. Close the door Engine Cooling System This message displays when the completely. Messages engine coolant temperature is too hot. Stop and allow the vehicle to HOOD OPEN A/C OFF DUE TO HIGH idle until it cools down. ENGINE TEMP This message will display when the ENGINE OVERHEATED — hood is open. Close the hood This message displays when the STOP ENGINE completely. engine coolant becomes hotter than This message displays and a the normal operating temperature. continuous chime sounds if the To avoid added strain on a hot engine cooling system reaches Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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unsafe temperatures for operation. before filling to the recommended speed while this message is on, but Stop and turn off the vehicle as level. If the oil is not low and this maximum acceleration and speed soon as it is safe to do so to avoid message remains on, take the may be reduced. Anytime this severe damage. This message vehicle to your dealer for service. message stays on, the vehicle clears when the engine has cooled See Engine Oil 0 236. should be taken to your dealer for to a safe operating temperature. service as soon as possible. OIL PRESSURE LOW — STOP Engine Oil Messages ENGINE Fuel System Messages This message displays if low oil CHANGE ENGINE OIL SOON pressure levels occur. Stop the FUEL LEVEL LOW This message displays when the vehicle as soon as safely possible This message displays when the engine oil needs to be changed. and do not operate it until the cause vehicle is low on fuel. Refuel as When you change the engine oil, be of the low oil pressure has been soon as possible. sure to reset the oil life system. See corrected. Check the oil as soon as Engine Oil Life System 0 238, Driver possible and have the vehicle TIGHTEN GAS CAP Information Center (DIC) 0 123, serviced by your dealer. This message displays when the Engine Oil 0 236, and Maintenance fuel cap is not on tight. Tighten the Schedule 0 314. Engine Power Messages fuel cap. ENGINE OIL HOT, IDLE ENGINE POWER IS REDUCED Key and Lock Messages ENGINE This message displays when the This message displays when the vehicle's engine power is reduced. NO REMOTE DETECTED engine oil temperature is too hot. Reduced engine power can affect This message displays when the Stop and allow the vehicle to idle the vehicle's ability to accelerate. RKE transmitter battery is weak on until it cools down. If this message is on, but there is no vehicles with Keyless Access. See reduction in performance, proceed Starting the Vehicle with a Low ENGINE OIL LOW — ADD OIL “ to your destination. The Transmitter Battery” under Remote On some vehicles, this message performance may be reduced the Keyless Entry (RKE) System displays when the engine oil level next time the vehicle is driven. The Operation 0 28. may be too low. Check the oil level vehicle may be driven at a reduced Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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NO REMOTE KEY WAS Lamp Messages FAB functions. Some last-second DETECTED PLACE KEY IN automatic braking capability is still TRANSMITTER POCKET THEN AFL (Adaptive Forward provided with the Alert setting, but START YOUR VEHICLE Lighting) LAMPS NEED braking is less likely to occur. See SERVICE Front Automatic Braking (FAB) This message displays when trying System 0 210. to start the vehicle if an RKE This message displays when the transmitter is not detected. The Adaptive Forward Lighting (AFL) AUTOMATIC COLLISION transmitter battery may be weak. system is disabled and needs PREPARATION UNAVAILABLE service. See your dealer. See See “Starting the Vehicle with a Low This message displays when the Transmitter Battery” under Remote Adaptive Forward Lighting (AFL) 0 150 for more information. Front Automatic Braking (FAB) Keyless Entry (RKE) System System has been unavailable for Operation 0 28. Object Detection System some time. The FAB System does REPLACE BATTERY IN not need service. This message can REMOTE KEY Messages display under the following conditions: This message displays when the AUTOMATIC COLLISION battery in the RKE transmitter needs PREP OFF . The front of the vehicle or windshield is not clean. Keep to be replaced. See “Battery This message displays when the these areas clean and free of Replacement” under Remote Front Automatic Braking (FAB) mud, dirt, snow, ice, and slush. Keyless Entry (RKE) System System has been turned off. See Operation 0 28. For cleaning instructions, see Front Automatic Braking (FAB) Exterior Care 0 304. System 0 210. . Heavy rain or snow is interfering AUTOMATIC COLLISION PREP with the object detection REDUCED performance. This message displays when the Front Automatic Braking (FAB) System has been set to the Alert setting. This setting disables most Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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This message may also be LANE DEPARTURE WARNING SERVICE AUTOMATIC displayed if there is a problem with UNAVAILABLE COLLISION PREP the StabiliTrak system. See Traction Control/Electronic Stability This message displays when If this message displays, take the Control 0 192. attempting to activate the Lane vehicle to your dealer to repair the Departure Warning (LDW) system system. Adaptive Cruise Control FORWARD COLLISION when it is temporarily unavailable. (ACC), Forward Collision Alert ALERT OFF The LDW system does not need (FCA), and/or the Front Automatic service. Braking (FAB) System may not This message displays when the This message could be due to the work. Do not use these systems Forward Collision Alert has been until the vehicle has been repaired. turned off. camera being blocked. Cleaning the outside of the windshield behind the SERVICE FRONT CAMERA FRONT CAMERA BLOCKED rearview mirror may correct the CLEAN WINDSHIELD issue. If this message remains on after continued driving, the vehicle needs This message displays when the PARK ASSIST OFF service. Do not use the Lane camera is blocked. Cleaning the This message displays when the Departure Warning (LDW) and outside of the windshield behind the Forward Collision Alert (FCA) rearview mirror may correct the Parking Assist system has been turned off or when there is a features. Take the vehicle to your issue. The Lane Departure Warning dealer. system will not operate. Forward temporary condition causing the Collision Alert (FCA) may not work system to be disabled. SERVICE PARKING ASSIST or may not work as well. REAR CROSS TRAFFIC This message displays if there is a LANE CHANGE ALERT OFF ALERT OFF problem with the Parking Assist system. Do not use this system to This message displays when the This message indicates that the help you park. See your dealer for Rear Cross Traffic Alert has been driver has turned the Side Blind service. Zone Alert (SBZA) and Lane turned off. Change Alert (LCA) systems off. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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SERVICE SIDE DETECTION Ride Control System your dealer. If the message still SYSTEM displays or appears again when you Messages begin driving, the system needs If this message remains on after service. See your dealer. continued driving, the vehicle needs SERVICE ALL WHEEL DRIVE service. Side Blind Zone Alert SYSTEM SERVICE TRACTION (SBZA), Lane Change Alert (LCA), This message displays when there CONTROL and Rear Cross Traffic Alert (RCTA) is a problem with the AWD system. This message displays when there features will not work. Take the This message could be set by a vehicle to your dealer. is a problem with the Traction number of issues. Some may Control System (TCS). When this SIDE DETECTION SYSTEM require service of the All-Wheel message is displayed, the system Drive system; some will not. The UNAVAILABLE will not limit wheel spin. Adjust your vehicle will run in normal driving accordingly. See your dealer This message indicates that Side two-wheel-drive mode when this for service. Blind Zone Alert (SBZA), Lane message has been set. This could Change Alert (LCA), and Rear be caused by: SERVICE STABILITRAK Cross Traffic Alert (RCTA) are . A vehicle or an AWD system This message displays if there is a disabled either because the sensor electronics problem. problem with the StabiliTrak system. is blocked and cannot detect If this message appears, try to reset vehicles in the blind zone, or the . Various vehicle electrical issues. the system. Stop; turn off the engine vehicle is passing through an open . Worn out or overheated clutch for at least 15 seconds; then start area, such as the desert, where plates. the engine again. If this message there is insufficient data for still comes on, it means there is a operation. This message may also . Loss of fluids. problem. See your dealer for activate during heavy rain or due to If this message appears, stop when service. The vehicle is safe to drive, road spray. The vehicle does not convenient and turn off the ignition however, you do not have the need service. For cleaning, see for 30 seconds. Restart the vehicle benefit of StabiliTrak, so reduce "Washing the Vehicle" under and check for the message on the your speed and drive accordingly. Exterior Care 0 304. DIC display. If the message has gone off and stays off, it is not necessary to take the vehicle to Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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SPORT MODE ON Service Vehicle Messages JUMP START COMPLETE ATTEMPT START This message displays when using SERVICE POWER STEERING the selective ride control. See This message displays while Selective Ride Control 0 194. This message displays and a chime performing an on-board jump start may sound when there may be a of the vehicle. See Jump Starting TRACTION CONTROL OFF “ problem with the power steering (On-board with eAssist Only).” This message displays when the system. If this message displays Traction Control System (TCS) is and a reduction in steering JUMP START DISABLED SEE turned off. Adjust your driving performance or loss of power OWNERS MANUAL accordingly. steering assistance is noticed, see This message displays if there is a your dealer. problem with the on-board jump Airbag System Messages SERVICE VEHICLE SOON start system, or if the 12-volt battery is too low to perform an on-board SERVICE AIRBAG This message is displayed if there is jump start. Try using jumper cables This message displays if there is a a problem with the vehicle. Take the and performing a normal jump start. problem with the airbag system. See vehicle to your dealer for service. See “Jump Starting (On-board with your dealer for service. eAssist Only).” Take the vehicle to Starting the Vehicle your dealer for service if this Security Messages Messages message continues to be displayed. THEFT ATTEMPTED JUMP START ACTIVE WAIT TO Tire Messages START This message displays if the vehicle SERVICE TIRE MONITOR detects a tamper condition. This message displays while performing an on-board jump start SYSTEM of the vehicle. See “Jump Starting This message displays if there is a (On-board with eAssist Only).” problem with the Tire Pressure Monitor System (TPMS). See Tire Pressure Monitor Operation 0 274. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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TIRE LEARNING ACTIVE Transmission Messages Vehicle Speed Messages This message displays when the SERVICE TRANSMISSION SPEED LIMIT EXCEEDED system is learning new tires. See Tire Pressure Monitor This message displays if there is a This message is displayed when the Operation 0 274. problem with the transmission. See vehicle speed is greater than the your dealer. speed warning speed. See "Speed TIRE PRESSURE LOW ADD Warning" under Instrument AIR TO TIRE SHIFT TO PARK Cluster 0 106. This message displays when the On vehicles with the Tire Pressure SPEED LIMIT SET TO XXX Monitor System (TPMS), this transmission needs to be shifted to message displays when the P (Park). This may appear when This message is displayed when the pressure in one or more of the attempting to remove the key from speed warning is set. See "Speed vehicle's tires is low. the ignition or from the vehicle if the Warning" under Instrument vehicle is not in P (Park). Cluster 0 106. The low tire pressure warning light will also come on. See Tire TRANSMISSION HOT — IDLE Window Messages Pressure Light 0 119. ENGINE If a tire pressure message This message displays and a chime OPEN, THEN CLOSE DRIVER/ displays, inflate the tires until the tire sounds if the transmission fluid in PASSENGER WINDOW pressure is equal to the values the vehicle gets hot. Driving with the This message is displayed when the shown on the Tire and Loading transmission fluid temperature high window needs to be reprogrammed. 0 Information label. See Tires 264, can cause damage to the vehicle. If the vehicle's battery has been 0 Vehicle Load Limits 171, and Tire Stop the vehicle and let it idle to recharged or disconnected, you will 0 Pressure 271. allow the transmission to cool. This need to program each front window More than one tire pressure message clears when the fluid for the express-up feature to work. message can be received at a time. temperature reaches a safe level. See Power Windows 0 45. The DIC also shows the tire pressure values. See Driver Information Center (DIC) 0 123. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Instruments and Controls 139 Vehicle Personalization Menus Language (Language) Personalization The following list of features may be Select Language, then select from available: the available language(s). Use the audio system controls to . Time and Date access the personalization menus Valet Mode for customizing vehicle features. . Language (Language) To turn Valet Mode on and off, see The following are all possible . Valet Mode “Valet Mode” under “Setting Radio Preferences” in the infotainment personalization features. Depending . Radio on the vehicle, some may not be manual. . Vehicle available. Radio . Bluetooth To access the personalization To manage the radio features, see menus: . Apple CarPlay “Radio Setup” under “Setting Radio 1. Press SETTINGS on the Home . Android Auto Preferences” in the infotainment page on the infotainment manual. system display. . Voice Vehicle 2. Press the desired feature to . Display display a list of available . Rear Camera Select and the following may be options. displayed: . Return to Factory Settings 3. Press the desired option. . Climate and Air Quality . Software Information 4. Press to select the desired . Collision/Detection Systems Each menu is detailed in the option setting. following information. . Comfort and Convenience . Lighting 5. Press q BACK to return to the Time and Date previous menu. . Power Door Locks Manually set the time and date. See Clock 0 103. . Remote Lock, Unlock, Start Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Climate and Air Quality Auto Rear Defog Off setting disables all FCA and Select and the following may be If equipped, this allows the Auto FAB functions. With the Alert & displayed: Rear Defog to be turned on or off. Brake setting, both FCA and FAB are available. The Alert setting . Auto Fan Max Speed This feature will automatically turn on the rear window defogger when it disables FAB, but some last-second . Air Quality Sensor is cold outside. automatic braking capability is still provided, though less likely to occur. . Auto Defog Select Off or On. See Front Automatic Braking (FAB) 0 . Auto Rear Defog Collision/Detection Systems System 210. Auto Fan Max Speed Select and the following may be Select Off, Alert and Brake, or Alert. This feature will set the maximum displayed: Go Notifier auto fan speed. . Alert Type This feature will give a reminder that Select Low, Medium, or High. . Auto Collision Preparation Adaptive Cruise Control provides when it has brought the vehicle to a Air Quality Sensor . Go Notifier complete stop behind another This feature may operate the . Side Blind Zone Alert stopping vehicle, and then that recirculation mode automatically. vehicle drives on. . Rear Cross Traffic Alert Select Off, Low Sensitivity, or High Select Off or On. Alert Type Sensitivity. See Adaptive Cruise Control 0 197. This feature allows the alert type to Auto Defog be changed for the Safety Side Blind Zone Alert When set to On, the front defog will Alert Seat. Select Off or On. See Side Blind automatically react to temperature Select Beeps or Safety Alert Seat. Zone Alert (SBZA) 0 211. and humidity conditions that may cause fogging. Auto Collision Preparation Rear Cross Traffic Alert Select Off or On. This feature will turn on or off the Select Off or On. See Assistance Forward Collision Alert (FCA) and Systems for Parking or Front Automatic Braking (FAB). The Backing 0 205. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Comfort and Convenience Reverse Tilt Mirror Exit Lighting Select and the following may be When on, both the driver and This allows the selection of how displayed: passenger outside mirrors will tilt long the exterior lamps stay on . Auto Memory Recall downward when the vehicle is when leaving the vehicle when it is shifted to R (Reverse) to improve dark outside. . Easy Exit Options visibility of the ground near the rear Select Off, 30 Seconds, . Chime Volume wheels. They will return to their 60 Seconds, or 120 Seconds. previous driving position when the . Reverse Tilt Mirror vehicle is shifted out of R (Reverse) Daytime Tail Lights Auto Memory Recall or the engine is turned off. This feature allows the taillamps to This feature automatically recalls Select Off, On, On - Driver and be on during the day. the current driver’s previously stored Passenger, On - Driver, or On - Select Off or On. 1 or 2 button positions when the Passenger. Power Door Locks ignition is turned on. See Memory Lighting Seats 0 55. Select and the following may be Select and the following may be displayed: Select Off or On. displayed: . Unlocked Door Anti Lock Out Easy Exit Options . Vehicle Locator Lights . Auto Door Unlock This feature moves the seat . Exit Lighting rearward allowing the driver more . Delayed Door Lock room to enter/exit the vehicle. See . Daytime Tail Lights Unlocked Door Anti Lock Out Memory Seats 0 55. Vehicle Locator Lights Select Off or On. If equipped and turned on, this This feature will flash the exterior feature will keep the driver door Chime Volume lamps when K on the Remote from locking when the door is open. Keyless Entry (RKE) transmitter is This allows the selection of the If Off is selected, the Delayed Door pressed to locate the vehicle. chime volume level. Lock menu will be available. Select Off or On. Press + or − to adjust the volume. Select Off or On. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

142 Instruments and Controls

Auto Door Unlock Remote Unlock Light Feedback Remote Start Auto Heat Seats This allows selection of which of the When on, the exterior lamps will If equipped and turned on, this doors will automatically unlock when flash when unlocking the vehicle feature will turn the heated seats on the vehicle is shifted into P (Park). with the RKE transmitter. when using remote start on Select Off, All Doors, or Driver Door. Select Off or Flash Lights. cold days. Select Off or On. Delayed Door Lock Remote Lock Feedback When on, this feature will delay the This allows selection of what type of Passive Door Unlock locking of the doors. To override the feedback is given when locking the This allows the selection of what delay, press the power door lock vehicle with the RKE transmitter. doors will unlock when using the switch on the door. Select Off, Lights and Horn, Lights button on the driver door to unlock Select Off or On. Only, or Horn Only. the vehicle. Select All Doors or Driver Door. Remote Lock, Unlock, Start Remote Door Unlock Select and the following may be This allows selection of which doors Passive Door Lock displayed: will unlock when pressing K on the This feature can be turned on or off, . Remote Unlock Light Feedback RKE transmitter. or can be used to select feedback when using the button on the driver . Remote Lock Feedback Select All Doors or Driver Door. door to lock the vehicle. See . Remote Door Unlock Remote Start Auto Cool Seats Remote Keyless Entry (RKE) System Operation 0 28. . Remote Start Auto Cool Seats If equipped and turned on, this Select On, On with Horn Chirp, . Remote Start Auto Heat Seats feature will turn the ventilated seats on when using remote start on or Off. . Passive Door Unlock warm days. Remote Left in Vehicle Reminder . Passive Door Lock Select Off or On. This feature sounds an alert when . Remote Left in Vehicle Reminder the RKE transmitter is left in the vehicle. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Select Off or On. Voice Mail Numbers Manage Apple CarPlay Devices Bluetooth This feature displays the voice mail Select to manage Apple devices. number for all connected phones. Apple CarPlay must be on for this Select and the following may be To change the voice mail number, feature to be accessed. See “Apple displayed: select EDIT or press the EDIT CarPlay and Android Auto” under . Pair New Device button. Type a new number, then “Phone” in the infotainment manual. select SAVE or press the SAVE . Device Management button. Android Auto™ . Ringtones Select and the following may Apple CarPlay™ . Voice Mail Numbers display: Select and the following may . Android Auto Pair New Device display: . Manage Android Auto Devices Select to pair a new device. See . Apple CarPlay “Pairing” in “Infotainment Controls” Android Auto . Manage Apple CarPlay Devices under “Bluetooth” in the infotainment manual. This feature allows Android devices Apple CarPlay to be connected to the infotainment Device Management This feature allows Apple devices to system through a USB port. See Select to connect to a different be connected to the infotainment “Apple CarPlay and Android Auto” phone source, disconnect a phone, system through a USB port. See under “Phone” in the infotainment or delete a phone. “Apple CarPlay and Android Auto” manual. under “Phone” in the infotainment Select Off or On. Ringtones manual. Press to change the ring tone for Select Off or On. Manage Android Auto Devices the specific phone. The phone does Select to manage Android devices. not need to be connected to change Android Auto must be on for this the ring tone. feature to be accessed. See “Apple CarPlay and Android Auto” under “Phone” in the infotainment manual. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

144 Instruments and Controls

Voice Select Contemporary, Mainstreet, Return to Factory Settings Edge, or Velocity. Select and the following may be Select and the following may be displayed: Calibrate Touchscreen displayed: . Prompt Length Select to calibrate the touchscreen, . Restore Vehicle Settings . Audio Feedback Speed then follow the prompts. . Clear All Private Data Prompt Length Turn Display Off . Restore Radio Settings This feature adjusts the voice Select to turn the display off. Press Restore Vehicle Settings prompt length. anywhere on the display area or any faceplate button to turn the This allows selection of restoring Select Short or Long. display on. vehicle settings. Audio Feedback Speed Rear Camera Select Cancel or Restore. This feature adjusts the audio Select and the following may be Clear All Private Data feedback speed. displayed: This allows selection to clear all Select Slow, Medium, or Fast. . Guidance Lines private information from the vehicle. Display . Rear Park Assist Symbols Select Cancel or Delete. Select and the following may be Guidance Lines Restore Radio Settings displayed: Select to turn Off or On. See This allows selection to restore . Theme Assistance Systems for Parking or radio settings. 0 . Calibrate Touchscreen Backing 205. Select Cancel or Restore. . Turn Display Off Rear Park Assist Symbols Software Information Theme Select to turn Off or On. See Select to view the infotainment Assistance Systems for Parking or system current software information. Select to change the color, font, and Backing 0 205. art of the display. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Instruments and Controls 145 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 0 341. 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

146 Instruments and Controls

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 the 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Radio Signals for Canada and light will flash slowly at first and then Reprogramming a Single Some Gate Operators rapidly. Proceed with Step 3 under Universal Remote System “Programming the Universal Remote For questions or programming help Button System” to complete. call 1-800-355-3515 or see To reprogram any of the system www.homelink.com. Universal Remote System buttons: Canadian radio-frequency laws and Operation 1. Press and hold any one of the some U.S. gate operators require buttons. Do not release the transmitter signals to time out or quit Using the Universal Remote button. after several seconds of System 2. The indicator light will begin to transmission. This may not be long flash after 20 seconds. Without enough for the Universal Remote Press and hold the appropriate releasing the button, proceed system to pick up the signal during Universal Remote system button for with Step 1 under programming. at least one-half second. The indicator light will come on while the “Programming the Universal If the programming did not work, signal is being transmitted. Remote System.” replace Step 2 under “Programming the Universal Remote System” with Erasing Universal Remote the following: System Buttons Press and hold the Universal Erase all programmed buttons when Remote system button while vehicle ownership is terminated. pressing and releasing the To erase: hand-held transmitter button every two seconds until the signal has 1. Press and hold the two outside been successfully accepted by the buttons until the indicator light Universal Remote system. The begins to flash. This should Universal Remote system indicator take about 10 seconds. 2. Release both buttons. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

148 Lighting Lighting Features Exterior Lighting Lighting Entry Lighting ...... 153 Exit Lighting ...... 154 Exterior Lamp Controls Exterior Lighting Battery Load Management . . . 154 Battery Power Protection . . . . . 155 Exterior Lamp Controls ...... 148 Exterior Lamps Off Reminder ...... 149 Headlamp High/Low-Beam Changer ...... 149 Flash-to-Pass ...... 149 Daytime Running Lamps (DRL) ...... 149 Automatic Headlamp System ...... 149 The exterior lamp control is on the Adaptive Forward instrument panel on the outboard Lighting (AFL) ...... 150 side of the steering wheel. Hazard Warning Flashers . . . . . 151 Turn and Lane-Change Turn the control to the following Signals ...... 151 positions: Fog Lamps ...... 151 O (Off) : Turns off the exterior Interior Lighting lamps. The knob returns to the Instrument Panel Illumination AUTO position after it is released. Control ...... 152 Turn to off again to reactivate the Dome Lamps ...... 152 AUTO mode. Reading Lamps ...... 153 AUTO (Automatic) : Automatically Sun Visor Lamps ...... 153 turns the exterior lamps on and off, depending on outside lighting. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Lighting 149

; (Parking Lamps) : Turns on the . The exterior lamps control is parking lamps, together with the in AUTO. sidemarker lamps, taillamps, license . The light sensor determines it is plate lamps, and instrument panel daytime. lights. . The parking brake is released or 5 (Headlamps) : Turns on the the vehicle is not in P (Park). headlamps, together with the This indicator light turns on in the parking lamps, sidemarker lamps, instrument cluster when the When the DRL are on, the taillamps, taillamps, license plate lamps, and high-beam headlamps are on. sidemarker lamps, instrument panel instrument panel lights. lights, and other lamps will not Flash-to-Pass be on. Exterior Lamps Off To flash the high beams, pull the The DRL turn off when the Reminder turn signal lever toward you, and headlamps are turned to O or the release. ignition is off. A warning chime sounds if the driver door is opened while the ignition is This vehicle may have a DRL off and the exterior lamps are on. Daytime Running disabling function. When the DRL Lamps (DRL) are on and a turn signal is activated, the DRL on that side will be off until Headlamp High/ DRL can make it easier for others to the turn signal goes off. Low-Beam Changer see the front of your vehicle during the day. Fully functional DRL are 2 3 (Headlamp High/Low-Beam required on all vehicles first sold in Automatic Headlamp Changer) : Push the turn signal Canada. System lever away from you and release, to turn the high beams on. To return to If equipped with High Intensity When the exterior lamp control is low beams, push the lever again or Discharge (HID) headlamps, the set to AUTO and it is dark enough pull it toward you and release. dedicated DRL will come on when outside, the headlamps come on all of the following conditions automatically. are met: . The ignition is on. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

150 Lighting

is in the full bright position. See Adaptive Forward Instrument Panel Illumination Control 0 152. Lighting (AFL) When it is bright enough outside, The AFL pivots the headlamps the headlamps will turn off or may horizontally to provide greater road change to Daytime Running illumination while turning. To enable Lamps (DRL). AFL, set the exterior lamp control to the AUTO position. Moving the The automatic headlamp system switch out of the AUTO position There is a light sensor on top of the turns off when the exterior lamp deactivates the system. AFL instrument panel. Do not cover the control is turned to O or the ignition operates when the vehicle speed is sensor; otherwise the headlamps is off. greater than 3 km/h (2 mph). AFL will come on when they are not does not operate when the needed. Lights On with Wipers transmission is in R (Reverse). AFL is not immediately operable after The system may also turn on the If the windshield wipers are activated in daylight with the engine starting the vehicle; driving a short headlamps when driving through a distance is required to calibrate the parking garage or tunnel. on, and the exterior lamp control is in AUTO, the headlamps, parking AFL. See Exterior Lamp If the vehicle is started in a dark lamps, and other exterior lamps Controls 0 148. garage, the automatic headlamp come on. The transition time for the system comes on immediately. If it lamps coming on varies based on is light outside when the vehicle wiper speed. When the wipers are leaves the garage, there is a slight not operating, these lamps turn off. delay before the automatic Move the exterior lamp control to O headlamp system changes to the DRL. During that delay, the or ; to disable this feature. instrument cluster may not be as bright as usual. Make sure the instrument panel brightness control Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Lighting 151

Hazard Warning Flashers Turn and Lane-Change If after signaling a turn or lane change the arrow flashes rapidly or Signals does not come on, a signal bulb might be burned out. Have any burned out bulbs replaced. If the bulb is not burned out, check the fuse. See Fuses and Circuit Breakers 0 258. Fog Lamps

Move the lever all the way up or down to signal a turn.

| (Hazard Warning Flashers) : An arrow on the instrument cluster Press this button on the center flashes in the direction of the turn or stack above the audio system, to lane change. make the front and rear turn signal Raise or lower the lever until the lamps flash on and off. Press again arrow starts to flash to signal a lane to turn the flashers off. change. Hold it there until the lane If equipped with fog lamps, the The hazard warning flashers turn on change is completed. If the lever is button is on the exterior lamp automatically if the airbags deploy. briefly pressed and released, the control, left of 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

152 Lighting If the fog lamps are turned on while Interior Lighting Dome Lamps the exterior lamp control is in the AUTO position, the headlamps come on automatically. Instrument Panel # (Fog Lamps) : Press to turn on Illumination Control or off. An indicator light on the instrument cluster comes on when the fog lamps are on. Some localities have laws that require the headlamps to be on along with the fog lamps.

The brightness of the instrument The interior lamps control in the panel lighting and steering wheel overhead console controls both the controls can be adjusted. front and rear interior lamps. D (Instrument Panel To operate: Illumination) : Move and hold the ( (Off) : Turns the lamps off. thumbwheel up or down to brighten H (Door) : Turns the lamps on or dim the lights. when any door is opened. ' (On) : Keeps the lamps on all the time. The interior lamps turn on automatically if the airbags are deployed. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Lighting 153 Reading Lamps Lighting Features There are front and rear reading lamps. Entry Lighting Some exterior lamps and most of the interior lamps turn on briefly at night or in areas with limited lighting when the Remote Keyless Entry (RKE) transmitter K button is The rear reading lamps are in the pressed. See Remote Keyless Entry headliner. (RKE) System Operation 0 28. After # or $ (Reading Lamps) : Press about 30 seconds the exterior lamps to turn each lamp on or off. turn off, then the dome lamps and remaining interior lamps dim to off. Sun Visor Lamps Entry lighting can be disabled manually by changing the ignition This lamp turns on when the cover out of the OFF position, or by The front reading lamps are in the is opened. pressing the RKE transmitter Q overhead console. button. This feature can be changed. See Vehicle Personalization 0 139. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

154 Lighting

Exit Lighting Battery Load A high electrical load occurs when several of the following are on, such Some exterior lamps come on at Management as: headlamps, high beams, rear night, or in areas with limited The vehicle has Electric Power window defogger, climate control fan lighting, when the key is removed Management (EPM) that estimates at high speed, heated seats, engine from the ignition. The dome lamps the battery's temperature and state cooling fans, trailer loads, and loads also come on when the key is of charge. It then adjusts the voltage plugged into accessory power removed from the ignition. The for best performance and extended outlets. exterior lamps and dome lamps life of the battery. remain on after the door is closed EPM works to prevent excessive for a set amount of time, then When the battery's state of charge discharge of the battery. It does this automatically turn off. is low, the voltage is raised slightly by balancing the generator's output to quickly bring the charge back up. and the vehicle's electrical needs. For vehicles with Keyless Access, When the state of charge is high, It can increase engine idle speed to the exterior lamps automatically turn the voltage is lowered slightly to generate more power whenever on when a door is opened after the prevent overcharging. If the vehicle needed. It can temporarily reduce ignition is changed to the OFF has a voltmeter gauge or a voltage the power demands of some position. The dome lamps also display on the Driver Information accessories. come on after the ignition is Center (DIC), you may see the changed to the OFF position. See Normally, these actions occur in voltage move up or down. This is steps or levels, without being Ignition Positions (Keyless Access) normal. If there is a problem, an 0 noticeable. In rare cases at the 175 or Ignition Positions (Key alert will be displayed. Access) 0 176. highest levels of corrective action, The battery can be discharged at this action may be noticeable to the The exterior lamps turn off idle if the electrical loads are very driver. If so, a DIC message might immediately by turning the exterior high. This is true for all vehicles. be displayed and it is recommended lamps control off. This is because the generator that the driver reduce the electrical This feature can be changed. See (alternator) may not be spinning fast loads as much as possible. See Vehicle Personalization 0 139. enough at idle to produce all of the Battery Voltage and Charging power needed for very high Messages 0 130. electrical loads. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Lighting 155

Battery Power Protection The battery saver feature is designed to protect the vehicle's battery. If the exterior lamps or any interior light is left on and the ignition is turned off, the battery rundown protection system automatically turns the lamp off after about 10 minutes. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

156 Infotainment System Infotainment Introduction System Infotainment See the infotainment manual for Introduction information on the radio, audio Infotainment ...... 156 players, phone, navigation system, Rear Seat Entertainment (RSE), and voice or speech recognition. It also includes information on settings. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Climate Controls 157 Climate Controls Climate Control Systems

Climate Control Systems Dual Automatic Climate Control System Dual Automatic Climate The heating, cooling, and ventilation for the vehicle can be controlled with Control System ...... 157 this system. Air Vents Air Vents ...... 161 Maintenance Air Intake ...... 162 Passenger Compartment Air Filter ...... 162 Service ...... 162

1. Driver and Passenger 3. Fan Control Temperature Controls 4. Air Delivery Mode Controls 2. Heated and Ventilated Front 5. Defrost Seats Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

158 Climate Controls

6. SYNC (Synchronized To help reduce fuel usage: To place the system in Temperature) . Use the full automatic control as automatic mode: 7. AUTO (Automatic Operation) described under “Automatic 1. Press AUTO. 8. Rear Window Defogger Operation” following. 2. Set the temperature. Allow the 9. Recirculation/Auto . Select a temperature setting that system time to stabilize. Adjust Recirculation is higher in hot weather and the temperature as needed for lower in cold weather. best comfort. 10. A/C (Air Conditioning) . Turn off the air conditioning To improve fuel efficiency and to 11. Power when it is not needed. cool the vehicle faster, recirculation Climate Control Influence on . Only use defrost to clear the may be automatically selected in eAssist Operation and Fuel windows. warm weather. The recirculation Economy (If Equipped) light will not come on. Press @ to Automatic Operation select recirculation; press it again to The climate control system depends select outside air. on other vehicle systems for heat The system automatically controls and power input. Certain climate the fan speed, air delivery, air Q / R (Driver and Passenger control settings can lead to higher conditioning, and recirculation in Temperature Controls) : The fuel usage and/or fewer auto stops. order to heat or cool the vehicle to temperature can be adjusted the desired temperature. separately for the driver and the The following are climate control passenger. Press to increase or settings that use more fuel: When the AUTO indicator light is on, the system is in full automatic decrease the temperature. . Comfort air conditioning mode. operation. If the air delivery mode, SYNC (Synchronized . The defrost mode. fan speed, recirculation, or air Temperature) : Press to link all conditioning setting is adjusted, the . Extreme temperature settings, climate zone settings to the driver AUTO indicator turns off and the settings. The SYNC indicator light such as 15 °C (60 °F) or 32 °C selected settings will appear on the (90 °F). will turn on. When the passenger display. settings are adjusted, the SYNC . High fan speed settings. indicator light is off. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Manual Operation [ (Floor) : Air is directed to the indicator light is on, the air O (Power) : Press to turn the fan off floor outlets. conditioner runs automatically to or on. cool the air inside the vehicle or to 0 MAX (Defrost) : Clears the dry the air needed to defog the Q 9 / 9R (Fan Control) : Press to windshield of fog or frost more windshield faster. increase or decrease the fan speed. quickly. Air is directed to the The fan speed setting appears on windshield. For eAssist vehicles, an auto stop may occur if the climate control the main display. Pressing either For best results, clear all snow and button cancels automatic fan control system determines the a/c ice from the windshield before compressor can be shut off and still and the fan is controlled manually. defrosting. Press AUTO to return to automatic maintain comfort levels with minimal operation. For eAssist vehicles that have the windshield fogging. auto defog feature, auto stops can Eco A/C (For eAssist Vehicles) : Air Delivery Mode Controls : occur in defrost mode. In this mode, X Y [ Press to cycle between the off, eco Press , , or to change the the auto stops are shorter and less and comfort air conditioning modes. direction of the airflow. The current frequent than other air delivery The indicator will be lit green in eco, mode appears in the display screen. modes to prevent window fogging. amber in comfort, and turns off Pressing either button cancels A/C (Comfort Air Conditioning) : when there is no A/C function. If the automatic air delivery control and Press to turn the air conditioning fan is turned off, the A/C will not run. the direction of the airflow is system on or off. If the climate The eco A/C setting balances fuel controlled manually. Press AUTO to control system is turned off or the return to automatic operation. economy and air conditioning outside temperature falls below comfort. In warm weather To change the current mode, select freezing, the air conditioner will conditions, auto stops may occur one of the following: not run. more frequently and the vehicle X (Defog) : Clears the windows of Pressing this button cancels interior may be warmer as fog or moisture. Air is directed to the automatic air conditioning and turns compared to the comfort air windshield and floor outlets. off the air conditioner. Press AUTO conditioning. This setting allows to return to automatic operation and higher humidity inside the vehicle Y (Vent) : Air is directed to the the air conditioner runs and window fogging before the instrument panel outlets. automatically as needed. When the engine restarts. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

160 Climate Controls

Pressing the 0 button during an Auto Defog : The climate control The rear window defogger can be auto stop may restart the engine to system may have a sensor to set to automatic operation. See prevent window fogging. To reach automatically detect high humidity “Climate and Air Quality” under 0 comfort levels quickly during an inside the vehicle. When high Vehicle Personalization 139. auto stop, the engine will restart if humidity is detected, the climate When auto rear defog is selected, the air conditioner is off and AUTO control system may adjust to the rear window defogger turns on or A/C is selected. outside air supply and turn on the automatically when the interior air conditioner. The fan speed may temperature is cold and the outside If temperature controls are adjusted slightly increase to help prevent temperature is about 4 °C (40 °F) cooler by more than 1 °C (1 °F) fogging. If the climate control and below. The auto rear defogger during an auto stop, the engine will system does not detect possible turns off automatically after about restart to ensure that comfort is window fogging, it returns to normal 10 minutes, or after five minutes if reached. operation. For eAssist vehicles, the outside temperature is not @ (Recirculation) : Press to turn there may be shorter and less as cold. on recirculation. An indicator light frequent auto stops when auto For eAssist vehicles, auto rear comes on. Air is recirculated to defog is in use. defog will only run during a remote quickly cool the air inside the To turn Auto Defog off or on, see start and the feature is not available vehicle or prevent odors from “Climate and Air Quality” under in the vehicle personalization menu. entering. Press again to change to Vehicle Personalization 0 139. outside air and the indicator light If the vehicle is equipped with turns off. Rear Window Defogger heated outside rearview mirrors, they turn on when the rear window Press AUTO to return to automatic = (Rear Window Defogger) : defogger button is on and help to operation and recirculation runs Press to turn the rear window clear fog or frost from the surface of automatically as needed. The defogger on or off. An indicator light the mirror. See Heated Mirrors 0 44. indicator light is off. on the button comes on to show that the rear window defogger is on. The Air Quality Sensor may operate the recirculation mode automatically. The defogger can be turned off by See “Climate and Air Quality” under turning the ignition to ACC/ Vehicle Personalization 0 139. ACCESSORY or LOCK/OFF. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Climate Controls 161 Remote Start Climate Control Air Vents Caution Operation (If Equipped) : If the vehicle is equipped with the remote Use the louvers on the air vents to Do not try to clear frost or other start feature, the climate control change the direction of the airflow. material from the inside of the system may run when the vehicle is To open the vent, move the front windshield and rear window started remotely. The system uses thumbwheel to t. To close the vent, with a razor blade or anything the driver’s previous settings to heat else that is sharp. This may or cool the inside of the vehicle. The move the thumbwheel to l. damage the rear window rear defog may come on during For vehicles with eAssist, there is a defogger grid and affect the remote start based on cold ambient battery cooling air vent on the shelf radio's ability to pick up stations conditions. If the vehicle has heated behind the rear passenger seats clearly. The repairs would not be or ventilated seats, they may come below the rear window. Keep this air covered by the vehicle warranty. on during a remote start. See 0 inlet clear from items that may block Remote Vehicle Start 34 and airflow. Proper airflow is required to Heated and Ventilated Front Heated and Ventilated Front Seats keep the eAssist battery and control Seats 0 56. (If Equipped) : Press M or L to system cool. heat the driver or passenger seat Sensor Operation Tips cushion and seatback. The solar sensor, on top of the . Keep all outlets open whenever Press C or {, if equipped, to instrument panel near the possible for best system windshield, monitors the solar heat. ventilate the driver or passenger performance. seat. See Heated and Ventilated The climate control system uses the . Keep the path under all seats Front Seats 0 56. sensor information to adjust the clear of objects to help circulate temperature, fan speed, the air inside the vehicle more recirculation, and air delivery mode effectively. for best comfort. . Use of non-GM approved hood Do not cover the sensor; otherwise deflectors can adversely affect the automatic climate control system the performance of the system. may not work properly. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

162 Climate Controls Maintenance vehicle. It should only be replaced by a new evaporator to ensure Air Intake proper and safe operation. During service, all refrigerants Clear away any ice, snow, or leaves should be reclaimed with proper from the air intake at the base of the equipment. Venting refrigerants windshield that can block the flow of directly to the atmosphere is harmful air into the vehicle. to the environment and may also create unsafe conditions based on Passenger Compartment inhalation, combustion, frostbite, Air Filter 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 0 314 for replacement intervals. For more information, see your dealer. Service The refrigerant system should only be serviced by trained and certified technicians. The air conditioning evaporator should never be repaired or replaced by one from a salvage Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Shifting out of Park ...... 184 Driver Assistance Systems Driving and Parking over Things Driver Assistance Systems . . . 204 Operating That Burn ...... 185 Assistance Systems for Parking or Backing ...... 205 Engine Exhaust Assistance Systems for Engine Exhaust ...... 185 Driving Information Driving ...... 207 Running the Vehicle While Forward Collision Alert (FCA) Distracted Driving ...... 164 Parked ...... 186 Defensive Driving ...... 165 System ...... 208 Drunk Driving ...... 165 Automatic Transmission Front Automatic Braking (FAB) Control of a Vehicle ...... 165 Automatic Transmission ...... 186 System ...... 210 Braking ...... 165 Manual Mode ...... 188 Side Blind Zone Steering ...... 166 Alert (SBZA) ...... 211 Off-Road Recovery ...... 167 Drive Systems Lane Change Alert (LCA) . . . . . 211 Loss of Control ...... 167 All-Wheel Drive ...... 189 Lane Departure Warning (LDW) ...... 213 Driving on Wet Roads ...... 168 Brakes Hill and Mountain Roads . . . . . 168 Antilock Brake Fuel Winter Driving ...... 169 System (ABS) ...... 189 Fuel ...... 215 If the Vehicle Is Stuck ...... 170 Parking Brake ...... 190 California Fuel Vehicle Load Limits ...... 171 Brake Assist ...... 192 Requirements ...... 216 Starting and Operating Hill Start Assist (HSA) ...... 192 Fuels in Foreign Countries . . . 216 Fuel Additives ...... 216 New Vehicle Break-In ...... 174 Ride Control Systems Ignition Positions (Keyless E85 or FlexFuel ...... 217 Traction Control/Electronic Filling the Tank ...... 217 Access) ...... 175 Stability Control ...... 192 Ignition Positions (Key Filling a Portable Fuel Limited-Slip Differential ...... 194 Container ...... 219 Access) ...... 176 Selective Ride Control ...... 194 Starting the Engine ...... 178 Trailer Towing Engine Heater ...... 181 Cruise Control General Towing Retained Accessory Cruise Control ...... 195 Information ...... 220 Power (RAP) ...... 183 Adaptive Cruise Control ...... 197 Shifting Into Park ...... 183 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

164 Driving and Operating Driving Characteristics and Driving Information . Become familiar with vehicle Towing Tips ...... 220 features before driving, such as Trailer Towing (Except programming favorite radio eAssist) ...... 222 Distracted Driving stations and adjusting climate Trailer Towing (eAssist) ...... 224 Distraction comes in many forms control and seat settings. Towing Equipment ...... 224 and can take your focus from the Program all trip information into any navigation device prior to Conversions and Add-Ons task of driving. Exercise good judgment and do not let other driving. Add-On Electrical Equipment ...... 225 activities divert your attention away . Wait until the vehicle is parked from the road. Many local to retrieve items that have fallen governments have enacted laws to the floor. regarding driver distraction. Become familiar with the local laws in . Stop or park the vehicle to tend your area. to children. To avoid distracted driving, always . Keep pets in an appropriate keep your eyes on the road, hands carrier or restraint. on the wheel, and mind on the drive. . Avoid stressful conversations . Do not use a phone in while driving, whether with a demanding driving situations. passenger or on a cell phone. Use a hands-free method to place or receive necessary { Warning phone calls. Taking your eyes off the road too . Watch the road. Do not read, long or too often could cause a take notes, or look up crash resulting in injury or death. information on phones or other Focus your attention on driving. electronic devices. . Designate a front seat passenger to handle potential distractions. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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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 59. 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Steering Variable Effort Steering Caution Electric Power Steering Some vehicles have a steering system that varies the amount of If the steering wheel is turned If the vehicle has electric power effort required to steer the vehicle in until it reaches the end of its steering it does not have power relation to the speed of the vehicle. travel, and is held in that position steering fluid. Regular maintenance for more than 15 seconds, is not required. The amount of steering effort required is less at slower speeds to damage may occur to the power If power steering assist is lost due make the vehicle more steering system and there may be to a system malfunction, the vehicle maneuverable and easier to park. At loss of power steering assist. can be steered, but may require faster speeds, the steering effort increased effort. increases to provide a sport-like feel Curve Tips See your dealer if there is a to the steering. This provides problem. maximum control and stability. . Take curves at a reasonable speed. If the steering wheel is turned until it Hydraulic Power Steering reaches the end of its travel and is . Reduce speed before entering a If the vehicle has hydraulic power curve. held against that position for an steering, it may require extended period of time, power maintenance. See Power Steering . Maintain a reasonable, steady steering assist may be reduced. Fluid (2.4L L4 Engine and 3.6L speed through the curve. If the steering assist is used for an V6 Engine with FWD) 0 247 or . Wait until the vehicle is out of extended period of time, power Power Steering Fluid (3.6L the curve before accelerating assist may be reduced. V6 Engine with AWD) 0 247. gently into the straightaway. Normal use of the power steering If power steering assist is lost Steering in Emergencies assist should return when the because the engine stops or there is system cools down. a system malfunction, the vehicle . There are some situations when can be steered but may require steering around a problem may See specific vehicle steering increased effort. See your dealer if be more effective than braking. messages under Vehicle there is a problem. Messages 0 130. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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. Holding both sides of the The vehicle's right wheels can drop . Acceleration Skid — too much steering wheel allows you to turn off the edge of a road onto the causes the driving 180 degrees without removing shoulder while driving. Follow wheels to spin. a hand. these tips: Defensive drivers avoid most skids . Antilock Brake System (ABS) 1. Ease off the accelerator and by taking reasonable care suited to allows steering while braking. then, if there is nothing in the existing conditions, and by not way, steer the vehicle so that it overdriving those conditions. But Off-Road Recovery straddles the edge of the skids are always possible. pavement. If the vehicle starts to slide, follow 2. Turn the steering wheel about these suggestions: one-eighth of a turn, until the . Ease your foot off the right front tire contacts the accelerator pedal and steer the pavement edge. way you want the vehicle to go. 3. Turn the steering wheel to go The vehicle may straighten out. straight down the roadway. Be ready for a second skid if it occurs. Loss of Control . Slow down and adjust your Skidding driving according to weather conditions. Stopping distance There are three types of skids that can be longer and vehicle correspond to the vehicle's three control can be affected when control systems: traction is reduced by water, . Braking Skid — wheels are not snow, ice, gravel, or other rolling. material on the road. Learn to recognize warning clues — such . Steering or Cornering Skid — as enough water, ice, or packed 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

168 Driving and Operating

. Try to avoid sudden steering, There is no hard and fast rule about acceleration, or braking, Warning (Continued) hydroplaning. The best advice is to including reducing vehicle speed slow down when the road is wet. by shifting to a lower gear. Any After driving through a large sudden changes could cause puddle of water or a car/vehicle Other Rainy Weather Tips the tires to slide. wash, lightly apply the brake Besides slowing down, other wet pedal until the brakes work weather driving tips include: Remember: Antilock brakes help normally. avoid only the braking skid. . Allow extra following distance. Flowing or rushing water creates Driving on Wet Roads strong forces. Driving through . Pass with caution. flowing water could cause the . Keep windshield wiping Rain and wet roads can reduce vehicle to be carried away. If this equipment in good shape. vehicle traction and affect your happens, you and other vehicle ability to stop and accelerate. . Keep the windshield washer fluid occupants could drown. Do not Always drive slower in these types reservoir filled. ignore police warnings and be of driving conditions and avoid very cautious about trying to drive . Have good tires with proper driving through large puddles and tread depth. See Tires 0 264. deep-standing or flowing water. through flowing water. . Turn off cruise control. { Warning Hydroplaning Hill and Mountain Roads Hydroplaning is dangerous. Water Wet brakes can cause crashes. can build up under the vehicle's Driving on steep hills or through They might not work as well in a tires so they actually ride on the mountains is different than driving quick stop and could cause water. This can happen if the road is on flat or rolling terrain. Tips include: pulling to one side. You could wet enough and you are going fast . Keep the vehicle serviced and in lose control of the vehicle. enough. When the vehicle is good shape. (Continued) hydroplaning, it has little or no . Check all fluid levels and brakes, contact with the road. tires, cooling system, and transmission. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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. Shift to a lower gear when going . Drive at speeds that keep the For Slippery Road Driving: down steep or long hills. vehicle in its own lane. Do not . Accelerate gently. Accelerating swing wide or cross the too quickly causes the wheels to { Warning center line. spin and makes the surface . Be alert on top of hills; under the tires slick. Using the brakes to slow the something could be in your lane . Turn on Traction Control. See vehicle on a long downhill slope (e.g., stalled car, accident). can cause brake overheating, can Traction Control/Electronic 0 reduce brake performance, and . Pay attention to special road Stability Control 192. signs (e.g., falling rocks area, could result in a loss of braking. . The Antilock Brake System winding roads, long grades, Shift the transmission to a lower (ABS) improves vehicle stability passing or no-passing zones) gear to let the engine assist the during hard stops, but the and take appropriate action. brakes on a steep downhill slope. brakes should be applied sooner than when on dry pavement. Winter Driving See Antilock Brake System 0 { Warning Driving on Snow or Ice (ABS) 189. Allow greater following distance Snow or ice between the tires and . Coasting downhill in N (Neutral) and watch for slippery spots. Icy the road creates less traction or or with the ignition off is patches can occur on otherwise grip, so drive carefully. Wet ice can dangerous. This can cause clear roads in shaded areas. occur at about 0 °C (32 °F) when overheating of the brakes and The surface of a curve or an freezing rain begins to fall. Avoid loss of steering. Always have the overpass can remain icy when driving on wet ice or in freezing rain the surrounding roads are clear. engine running and the vehicle until roads can be treated. in gear. Avoid sudden steering maneuvers and braking while on ice. . Turn off cruise control. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Blizzard Conditions If it takes time for help to arrive, Warning (Continued) when running the engine, push the Stop the vehicle in a safe place and accelerator pedal slightly so the signal for help. Stay with the vehicle If the vehicle is stuck in snow: engine runs faster than the idle unless there is help nearby. Clear snow from the base of speed. This keeps the battery If possible, use Roadside . the vehicle, especially any charged to restart the vehicle and to Assistance. See Roadside blocking the exhaust pipe. signal for help with the headlamps. Assistance Program 0 334. To get Do this as little as possible, to help and keep everyone in the . Open a window about 5 cm save fuel. vehicle safe: (2 in) on the vehicle side that is away from the wind, . Turn on the hazard warning to bring in fresh air. If the Vehicle Is Stuck flashers. . Fully open the air outlets on Slowly and cautiously spin the . Tie a red cloth to an outside or under the instrument wheels to free the vehicle when mirror. panel. stuck in sand, mud, ice, or snow. If stuck too severely for the traction { Warning . Adjust the climate control system to circulate the air system to free the vehicle, turn the Snow can trap engine exhaust inside the vehicle and set traction system off and use the rocking method. See Traction under the vehicle. This may the fan speed to the highest Control/Electronic Stability cause exhaust gases to get setting. See “Climate Control 0 192. inside. Engine exhaust contains Control Systems.” carbon monoxide (CO), which For more information about CO, { Warning cannot be seen or smelled. It can see Engine Exhaust 0 185. cause unconsciousness and even If the vehicle's tires spin at high death. To save fuel, run the engine for speed, they can explode, and you (Continued) short periods to warm the vehicle or others could be injured. The and then shut the engine off and vehicle can overheat, causing an partially close the window. Moving engine compartment fire or other about to keep warm also helps. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Vehicle Load Limits Warning (Continued) Warning (Continued) It is very important to know how damage. Spin the wheels as little much weight the vehicle can crash. Overloading can also as possible and avoid going carry. This weight is called the reduce stopping distance, above 56 km/h (35 mph). vehicle capacity weight and damage the tires, and shorten includes the weight of all the life of the vehicle. Rocking the Vehicle to Get occupants, cargo, and all it Out nonfactory-installed options. Tire and Loading Information Turn the steering wheel left and Two labels on the vehicle may Label right to clear the area around the show how much weight it may front wheels. Turn off any traction properly carry: the Tire and system. Shift back and forth Loading Information label and between R (Reverse) and a low the Certification label. forward gear, spinning the wheels as little as possible. To prevent { Warning transmission wear, wait until the wheels stop spinning before shifting Do not load the vehicle any gears. Release the accelerator heavier than the Gross pedal while shifting, and press Vehicle Weight Rating lightly on the accelerator pedal when the transmission is in gear. (GVWR), or either the Slowly spinning the wheels in the maximum front or rear Gross Label Example forward and reverse directions Axle Weight Rating (GAWR). causes a rocking motion that could This can cause systems to A vehicle-specific Tire and free the vehicle. If that does not get break and change the way the Loading Information label is the vehicle out after a few tries, it vehicle handles. This could attached to the vehicle's center might need to be towed out. If the cause loss of control and a pillar (B-pillar). The Tire and vehicle does need to be towed out, (Continued) Loading Information label shows see Towing the Vehicle 0 301. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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the number of occupant seating never exceed XXX kg or That weight may not safely positions (1), and the maximum XXX lbs." on your vehicle’s exceed the available cargo vehicle capacity weight (2) in placard. and luggage load capacity kilograms and pounds. 2. Determine the combined calculated in Step 4. The Tire and Loading weight of the driver and 6. If your vehicle will be towing Information label also shows the passengers that will be a trailer, load from your tire size of the original riding in your vehicle. trailer will be transferred to equipment tires (3) and the 3. Subtract the combined your vehicle. Consult this recommended cold tire inflation weight of the driver and manual to determine how pressures (4). For more passengers from XXX kg or this reduces the available information on tires and inflation XXX lbs. cargo and luggage load see Tires 0 264 and Tire capacity of your vehicle.” Pressure 0 271. 4. The resulting figure equals the available amount of See Trailer Towing (Except There is also important loading 0 cargo and luggage load eAssist) 222 or Trailer Towing information on the Certification 0 capacity. For example, if the (eAssist) 224 for important label. It may show the Gross "XXX" amount equals information on towing a trailer, Vehicle Weight Rating (GVWR) 1400 lbs. and there will be towing safety rules, and and the Gross Axle Weight five 150 lb passengers in trailering tips. Rating (GAWR) for the front and your vehicle, the amount of rear axle. See Certification “ available cargo and luggage Label later in this section. ” load capacity is 650 lbs. “Steps for Determining Correct (1400-750 (5 x 150) = Load Limit– 650 lbs.) 1. Locate the statement "The 5. Determine the combined combined weight of weight of luggage and cargo occupants and cargo should being loaded on the vehicle. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Example 1 Example 2 Example 3

1. Vehicle Capacity Weight 1. Vehicle Capacity Weight 1. Vehicle Capacity Weight for Example 1 = 453 kg for Example 2 = 453 kg for Example 3 = 453 kg (1,000 lbs). (1,000 lbs). (1,000 lbs). 2. Subtract Occupant 2. Subtract Occupant 2. Subtract Occupant Weight @ 68 kg (150 lbs) Weight @ 68 kg (150 lbs) Weight @ 91 kg × 2 = 136 kg (300 lbs). × 5 = 340 kg (750 lbs). (200 lbs) × 5 = 453 kg 3. Available Occupant and 3. Available Cargo Weight (1,000 lbs). Cargo Weight = 317 kg = 113 kg (250 lbs). 3. Available Cargo Weight (700 lbs). = 0 kg (0 lbs). Refer to the vehicle's Tire and Loading Information label for specific information about the vehicle's capacity weight and seating positions. The combined Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

174 Driving and Operating

weight of the driver, passengers, { Warning Starting and and cargo should never exceed Operating the vehicle's capacity weight. Things inside the vehicle can Certification Label strike and injure people in a New Vehicle Break-In sudden stop or turn, or in a crash. Caution . Put things in the cargo area of the vehicle. In the The vehicle does not need an cargo area, put them as elaborate break-in. But it will far forward as possible. perform better in the long run if 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 Label Example some of them are above brake or slow the vehicle. A vehicle-specific Certification the tops of the seats. . Avoid making hard stops for label is attached to the vehicle's . Do not leave an the first 322 km (200 mi) or center pillar (B-pillar). The label unsecured child restraint so. During this time the new may show the gross weight in the vehicle. brake linings are not yet capacity of the vehicle, called broken in. Hard stops with the Gross Vehicle Weight Rating . Secure loose items in the new linings can mean (GVWR). The GVWR includes vehicle. premature wear and earlier replacement. Follow this the weight of the vehicle, all . Do not leave a seat occupants, fuel, and cargo. folded down unless (Continued) needed. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Pressing the button cycles it through If the vehicle is not in P (Park), the Caution (Continued) three modes, ACC/ACCESSORY, ignition will return to ACC/ ON/RUN/START, and Stopping the ACCESSORY and display the breaking-in guideline every Engine/OFF. message SHIFT TO PARK in the time you get new brake Driver Information Center (DIC). linings. The transmitter must be in the 0 vehicle for the system to operate. See Transmission Messages 138. Following break-in, engine speed If the pushbutton start is not When the vehicle is shifted into and load can be gradually working, the vehicle may be near a P (Park), the ignition system will increased. strong radio antenna signal causing switch to OFF. interference to the keyless access Do not turn the engine off when the Ignition Positions system. See Remote Keyless Entry vehicle is moving. This will cause a (RKE) System Operation 0 28. loss of power assist in the brake (Keyless Access) To shift out of P (Park), the vehicle and steering systems and disable must be in ACC/ACCESSORY or the airbags. ON/RUN and the brake pedal must If the vehicle must be shut off in an be applied. emergency: Stopping the Engine/OFF (No 1. Brake using a firm and steady Indicator Lights) : When the pressure. Do not pump the vehicle is stopped, press the brakes repeatedly. This may ENGINE START/STOP button once deplete power assist, requiring to turn the engine off. increased brake pedal force. If the vehicle is in P (Park), the 2. Shift the vehicle to N (Neutral). ignition will turn off, and Retained This can be done while the Accessory Power (RAP) will remain vehicle is moving. After shifting active. See Retained Accessory to N (Neutral), firmly apply the The vehicle has an electronic Power (RAP) 0 183. brakes and steer the vehicle to keyless ignition with pushbutton a safe location. start. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

176 Driving and Operating

3. Come to a complete stop, shift With the ignition off, pressing the the vehicle in Service Only Mode. to P (Park), and turn the button one time without the brake The instruments and audio systems ignition to OFF. On vehicles pedal applied will place the ignition will operate as they do in ON/RUN, with an automatic transmission, system in ACC/ACCESSORY. but the vehicle will not be able to be the shift lever must be in The ignition will switch from ACC/ driven. The engine will not start in P (Park) to turn the ignition ACCESSORY to OFF after Service Only Mode. Press the switch to the OFF position. five minutes to prevent battery button again to turn the vehicle off. 4. Set the parking brake. See rundown. 0 Ignition Positions (Key Parking Brake 190. ON/RUN/START (Green Indicator Light) : This mode is for driving and Access) { Warning starting. With the ignition off, and the brake pedal applied, pressing Turning off the vehicle while the button once will place the moving may cause loss of power ignition system in ON/RUN/START. assist in the brake and steering Once engine cranking begins, systems and disable the airbags. release the button. Engine cranking While driving, only shut the will continue until the engine starts. vehicle off in an emergency. See Starting the Engine 0 178. The ignition will then remain in ON/RUN. If the vehicle cannot be pulled over, Service Only Mode and must be shut off while driving, press and hold the ENGINE START/ This power mode is available for STOP button for longer than service and diagnostics, and to two seconds, or press twice in verify the proper operation of the five seconds. malfunction indicator lamp as may be required for emission inspection ACC/ACCESSORY (Amber purposes. With the vehicle off, and Indicator Light) : This mode allows the brake pedal not applied, you to use some electrical pressing and holding the button for accessories when the engine is off. more than five seconds will place Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Do not turn the engine off when the Caution vehicle is moving. This will cause a { Warning loss of power assist in the brake Using a tool to force the key to and steering systems and disable Turning off the vehicle while turn in the ignition could cause the airbags. moving may cause loss of power damage to the switch or break the assist in the brake and steering key. Use the correct key, make If the vehicle must be shut off in an systems and disable the airbags. sure it is all the way in, and turn it emergency: While driving, only shut the only with your hand. If the key 1. Brake using a firm and steady vehicle off in an emergency. cannot be turned by hand, see pressure. Do not pump the brakes repeatedly. This may your dealer. If the vehicle cannot be pulled over, deplete power assist, requiring and must be shut off while driving, increased brake pedal force. The key must be fully extended to turn the ignition to ACC/ start the vehicle. 2. Shift the vehicle to N (Neutral). ACCESSORY. This can be done while the 1 (ACC/ACCESSORY) : This To shift out of P (Park), turn the vehicle is moving. After shifting position provides power to some of ignition to ON/RUN and apply the to N (Neutral), firmly apply the the electrical accessories. It unlocks brake pedal. brakes and steer the vehicle to the ignition. To move the key from 0 (STOPPING THE ENGINE/LOCK/ a safe location. ACC/ACCESSORY to LOCK/OFF, OFF) : When the vehicle is stopped, 3. Come to a complete stop, shift the shift lever must be in P (Park). turn the ignition switch to LOCK/ to P (Park), and turn the 2 (ON/RUN) : The ignition switch OFF to turn the engine off. Retained ignition to LOCK/OFF. On stays in this position when the Accessory Power (RAP) will remain vehicles with an automatic engine is running. This position can active. See Retained Accessory transmission, the shift lever 0 be used to operate the electrical Power (RAP) 183 for more must be in P (Park) to turn the accessories, including the information. ignition switch to the LOCK/ ventilation fan and 12-volt power This is the only position from which OFF position. outlet, as well as to display some the key can be removed. This locks 4. Set the parking brake. See warning and indicator lights. This the ignition and automatic Parking Brake 0 190. position can also be used for transmission. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

178 Driving and Operating

service and diagnostics, and to Starting Procedure (Key Access) Caution verify the proper operation of the 1. With your foot off the malfunction indicator lamp as may accelerator pedal, turn the be required for emission inspection Do not try to shift to P (Park) if the vehicle is moving. If you do, you ignition key to START. When purposes. The transmission is also the engine starts, let go of unlocked in this position. could damage the transmission. Shift to P (Park) only when the the key. The battery could be drained if the vehicle is stopped. The idle speed will go down as key is left in the ACC/ACCESSORY the engine warms. Do not race or ON/RUN position with the engine the engine immediately after off. The vehicle might not restart if Caution starting it. Allow the oil to warm the battery is allowed to drain for an up and lubricate all moving extended period of time. If you add electrical parts or parts. 3 (START) : This position starts the accessories, you could change engine. When the engine starts, the way the engine operates. Any Caution release the key. The ignition switch resulting damage would not be will return to ON/RUN for normal covered by the vehicle warranty. Cranking the engine for long driving. See Add-On Electrical periods of time, by returning the A warning tone sounds when the Equipment 0 225. ignition to the START position driver door is opened when the immediately after cranking has ignition is still in ACC/ACCESSORY ended, can overheat and damage and the key is in the ignition. If the Caution the cranking motor, and drain the ignition becomes difficult to turn, battery. Wait at least 15 seconds see Keys 0 26. If the steering wheel is turned between each try, to let the until it reaches the end of its cranking motor cool down. Starting the Engine travel, and is held in that position while starting the vehicle, damage 2. If the engine does not start Move the shift lever to P (Park) or may occur to the hydraulic power N (Neutral). To restart the engine after five to 10 seconds, steering system and there may be when the vehicle is already moving, especially in very cold weather loss of power steering assist. use N (Neutral) only. (below −18 °C or 0 °F), it could Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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be flooded with too much applied. When the engine 2. If the engine does not start gasoline. Try pushing the begins cranking, let go of the after five to 10 seconds, accelerator pedal all the way to button. especially in very cold weather the floor and holding it there as The idle speed will go down as (below −18 °C or 0 °F), it could you hold the key in START for the engine gets warm. Do not be flooded with too much up to a maximum of race the engine immediately gasoline. Try pushing the 15 seconds. Wait at least after starting it. accelerator pedal all the way to 15 seconds between each try, the floor and holding it there as to allow the cranking motor to If the RKE transmitter is not in you press the ENGINE START/ cool down. When the engine the vehicle, if there is STOP button, for up to a starts, let go of the key, and the interference, or the RKE maximum of 15 seconds. Wait accelerator. If the vehicle starts battery is low, the Driver at least 15 seconds between briefly but then stops again, do Information Center (DIC) will each try, to allow the cranking the same thing. This clears the display a message. See Key motor to cool down. When the extra gasoline from the engine. and Lock Messages 0 133 and engine starts, let go of the Do not race the engine Remote Keyless Entry (RKE) button, and the accelerator. immediately after starting it. System Operation 0 28. If the vehicle starts briefly but Operate the engine and then stops again, do the same transmission gently until the oil Caution thing. This clears the extra warms up and lubricates all gasoline from the engine. Do moving parts. Cranking the engine for long not race the engine periods of time, by returning the immediately after starting it. Starting Procedure (Keyless ignition to the START position Operate the engine and Access) immediately after cranking has transmission gently until the oil 1. With the Keyless Access ended, can overheat and damage warms up and lubricates all system, the RKE transmitter the cranking motor, and drain the moving parts. must be in the vehicle. Press battery. Wait at least 15 seconds the ENGINE START/STOP between each try, to let the button with the brake pedal cranking motor cool down. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

180 Driving and Operating

eAssist Automatic Engine released or the accelerator pedal . The air conditioning or defrost Start/Stop applied, the engine will start. The system need the compressor to engine will continue to run until the maintain interior comfort. See next auto stop. Dual Automatic Climate Control { Warning 0 AUTO STOP on the tachometer System 157 When it is very Exiting the vehicle without first signifies that the engine is in auto warm or humid, the system may shifting into P (Park) may cause stop mode. See Tachometer 0 109. not be able to shut the engine off the vehicle to move. You or others When the vehicle is turned off, the while maintaining interior comfort. To maximize fuel may be injured. Because the tachometer will move to OFF. If the economy, use the eco air vehicle has the automatic engine driver door is opened while in auto conditioning mode. start/stop feature, the vehicle's stop mode, a chime will sound. engine might seem to be shut off; To restart the engine during auto . The shift lever is in P (Park), however, once the brake pedal is stop, release the brake pedal or N (Neutral), R (Reverse), released, the engine will start up press the accelerator pedal. The or M (Manual Mode). again. engine starts immediately. The . The high voltage battery pack Shift to P (Park) and turn the vehicle continues to run until the charge is low. ignition to LOCK/OFF, before next stop. . The hood is not fully closed. exiting the vehicle. There are several conditions that . Brake pedal pressure is low. may prevent an auto stop or cause an auto start. . If the malfunction indicator lamp Vehicles with eAssist have an is on, auto stop may be automatic engine start/stop feature. The Engine Will Remain prevented. After the engine is started and has Running When: . High humidity is detected. reached operating temperature, the . The engine, transmission, auto stop feature may cause the or high voltage battery is not The Engine Will Restart When: engine to turn off when the brakes warmed up yet. are applied and the vehicle comes . The brake pedal is released. to a complete stop. The vehicle may . The outside temperature is less . The accelerator pedal is applied. remain in auto stop for up to than −20 °C (−4 °F). two minutes. When the brake is Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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. Shifting out of D (Drive) to any Engine Heater other gear. The engine coolant heater, . The air conditioning or defrost if available, can help in cold weather system need the compressor to conditions at or below −18 °C (0 °F) maintain interior comfort. See for easier starting and better fuel Dual Automatic Climate Control economy during engine warm-up. 0 System 157. The warmer it is Plug in the coolant heater at least outside, the shorter the time four hours before starting the before the engine is restarted to vehicle. An internal thermostat in provide interior cooling. To the plug end of the will prevent maximize fuel economy, use the engine coolant heater operation at eco air conditioning mode. temperatures above −18 °C (0 °F). 3.6L V6 Engine . The climate control system is To Use the Engine Coolant turned from off to normal air The electrical cord is on the conditioning or defrost. See Dual Heater driver side of the engine Automatic Climate Control 1. Turn off the engine. compartment, between the System 0 157. and the engine 2. Open the hood and unwrap the compartment fuse block on . The engine is required to run for electrical cord. vehicles with a 6-cylinder either heater or climate control engine. performance. See Dual Automatic Climate Control System 0 157. . The high voltage battery pack charge is low and requires recharging. . Auto stop time is greater than two minutes. . The hood is opened. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

182 Driving and Operating

{ Warning Warning (Continued)

Improper use of the heater cord it overheat and cause a fire, or an extension cord can damage property damage, electric the cord and may result in shock, and injury. overheating and fire. . Do not operate the vehicle . Plug the cord into a with the heater cord three-prong electrical utility permanently attached to the receptacle that is protected vehicle. Possible heater by a ground fault detection cord and thermostat function. An ungrounded damage could occur. 2.4L L4 Engine outlet could cause an . While in use, do not let the electric shock. The electrical cord is on the heater cord touch vehicle passenger side of the engine . Use a weatherproof, parts or sharp edges. Never compartment, between the heavy-duty, 15 amp-rated close the hood on the fender and the air cleaner on extension cord if needed. heater cord. vehicles with a 4-cylinder Failure to use the . Before starting the vehicle, engine. recommended extension unplug the cord, reattach cord in good operating the cover to the plug, and Check the heater cord for condition, or using a damage. If it is damaged, do securely fasten the cord. damaged heater or Keep the cord away from not use it. See your dealer for extension cord, could make a replacement. Inspect the any moving parts. cord for damage yearly. (Continued) 3. Plug it into a normal, grounded 4. Before starting the engine, be 110-volt AC outlet. sure to unplug and store the cord as it was before to keep it away from moving engine parts. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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The length of time the heater should Shifting Into Park remain plugged in depends on Warning (Continued) several factors. Ask a dealer in the 1. Hold the brake pedal down and area where you will be parking the set the parking brake. See could be injured. To be sure the 0 vehicle for the best advice on this. Parking Brake 190. vehicle will not move, even when you are on fairly level ground, 2. Move the shift lever into Retained Accessory P (Park) by pushing the lever always set the parking brake and all the way toward the front of move the shift lever to P (Park). Power (RAP) 0 the vehicle. See Shifting Into Park 183. These vehicle accessories can be If you are towing a trailer, see used for up to 10 minutes after the 3. Turn the ignition off. Driving Characteristics and engine is turned off: Leaving the Vehicle with the Towing Tips 0 220. . Infotainment System Engine Running . Power Windows If you have to leave the vehicle with { Warning the engine running, be sure the . Sunroof (If Equipped) vehicle is in P (Park) and the . Auxiliary Power Outlet It can be dangerous to leave the parking brake is firmly set before vehicle with the engine running. you leave it. After you have moved Power to the audio system will It could overheat and catch fire. the shift lever into P (Park), hold continue to operate for up to down the regular brake pedal. See if It is dangerous to get out of the 10 minutes or until the driver door is you can move the shift lever away opened. vehicle if the shift lever is not fully from P (Park) without first pulling it Power to the power windows and in P (Park) with the parking brake toward you. If you can, it means that sunroof will continue to operate for firmly set. The vehicle can roll. the shift lever was not fully locked up to 10 minutes or until any door is Do not leave the vehicle when the into P (Park). opened. engine is running. If you have left All of these features will work when the engine running, the vehicle the ignition is in ON/RUN or ACC/ can move suddenly. You or others ACCESSORY. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

184 Driving and Operating

Torque Lock Shifting out of Park If the shift lever cannot be moved out of P (Park): Torque lock is when the weight of Automatic Transmission 1. Apply and maintain the regular the vehicle puts too much force on Shift Lock the parking pawl in the brakes. transmission. This happens when The vehicle has an automatic 2. Turn the ignition to the ON/ parking on a hill and shifting the transmission shift lock control RUN position. See Ignition transmission into P (Park) is not system. The shift lock control Positions (Keyless Access) done properly and then it is difficult system is designed to: 0 175 or Ignition Positions (Key to shift out of P (Park). To prevent . Prevent ignition key removal Access) 0 176 for more torque lock, set the parking brake unless the shift lever is in information. and then shift into P (Park). To find P (Park). out how, see "Shifting Into P (Park)" 3. Let up on the shift lever and listed previously. . Prevent movement of the shift make sure the shift lever is lever out of P (Park), unless the pushed all the way into If torque lock does occur, your ignition is in ON/RUN and the P (Park). vehicle may need to be pushed brake pedal is applied. uphill by another vehicle to relieve 4. Press the shift lever button. the parking pawl pressure, so you The shift lock is always functional 5. Move the shift lever into the can shift out of P (Park). except in the case of an uncharged desired gear. or low voltage (less than 9-volt) If you are towing a trailer and battery. If you still cannot move the shift parking on a hill, see Driving lever from P (Park), consult your Characteristics and Towing If the vehicle has an uncharged dealer or a professional towing Tips 0 220. battery or a battery with low voltage, service. try charging or jump starting the battery. See Jump Starting - North America (On-board with eAssist Only) 0 297 or Jump Starting - North America (with or without eAssist) 0 298. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Parking over Things Engine Exhaust Warning (Continued) That Burn { Warning . There are holes or openings { Warning in the vehicle body from Engine exhaust contains carbon damage or aftermarket Things that can burn could touch monoxide (CO), which cannot be modifications that are not hot exhaust parts under the seen or smelled. Exposure to CO completely sealed. vehicle and ignite. Do not park can cause unconsciousness and If unusual fumes are detected or over papers, leaves, dry grass, even death. if it is suspected that exhaust is or other things that can burn. Exhaust may enter the vehicle if: coming into the vehicle: . The vehicle idles in areas . Drive it only with the with poor ventilation windows completely down. (parking garages, tunnels, . Have the vehicle repaired deep snow that may block immediately. underbody airflow or tail pipes). Never park the vehicle with the engine running in an enclosed . The exhaust smells or area such as a garage or a sounds strange or different. building that has no fresh air . The exhaust system leaks ventilation. 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

186 Driving and Operating

Running the Vehicle Automatic { Warning While Parked Transmission It is better not to park with the It is dangerous to get out of the engine running. vehicle if the shift lever is not fully in P (Park) with the parking brake If the vehicle is left with the engine firmly set. The vehicle can roll. running, follow the proper steps to be sure the vehicle will not move. Do not leave the vehicle when the See Shifting Into Park 0 183 and engine is running. If you have left Engine Exhaust 0 185. the engine running, the vehicle can move suddenly. You or others could be injured. To be sure the vehicle will not move, even when you are on fairly level ground, always set the parking brake and Shift Lever without Selective Ride move the shift lever to P (Park). Control Shown See Shifting Into Park 0 183 and Driving Characteristics and P: This position locks the front Towing Tips 0 220. wheels. It is the best position to use when starting the engine because the vehicle cannot move easily. Make sure the shift lever is fully in P (Park) before starting the engine. The vehicle has an automatic transmission shift lock control system. The regular brake must be fully applied first and then the shift lever button pressed before shifting from P (Park) when the ignition key is in ON/RUN. If you cannot shift out Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Driving and Operating 187

of P (Park), ease pressure on the needed for passing, press the shift lever, then push the shift lever { Warning accelerator pedal over half, or all all the way into P (Park) as you the way down. maintain brake application. Then Shifting into a drive gear while the engine is running at high speed is press the shift lever button and Caution move the shift lever into another dangerous. Unless your foot is gear. See Shifting out of Park 0 184. firmly on the brake pedal, the If the vehicle accelerates slowly, vehicle could move very rapidly. R: Use this gear to back up. or does not shift gears, the You could lose control and hit transmission could be damaged. people or objects. Do not shift Caution Have the vehicle serviced into a drive gear while the engine right away. is running at high speed. Shifting to R (Reverse) while the vehicle is moving forward could M or M/S : This position allows the damage the transmission. The Caution driver to select the gears repairs would not be covered by appropriate for current driving the vehicle warranty. Shift to Shifting out of P (Park) or conditions, and to activate Selective R (Reverse) only after the vehicle N (Neutral) with the engine Ride Control (if equipped). See 0 is stopped. running at high speed may Manual Mode 188 and Selective 0 damage the transmission. The Ride Control 194. To rock the vehicle back and forth to repairs would not be covered by get out of snow, ice, or sand without the vehicle warranty. Be sure the damaging the transmission, see If engine is not running at high the Vehicle Is Stuck 0 170. speed when shifting the vehicle. N: In this position, the engine does not connect with the wheels. To D: This position is for normal restart the engine when the vehicle driving. It provides good fuel is already moving, use N (Neutral) economy when pushing the only. Also, use N (Neutral) when the accelerator pedal around a quarter vehicle is being towed. of the way down. If more power is Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

188 Driving and Operating

Manual Mode The vehicle will be in Sport Without Selective Ride Control Mode. The vehicle will remain Driver Shift Control (DSC) 1. Move the shift lever from in Sport Mode until the shift D (Drive) to M (Manual Mode). lever is moved back to the Caution D (Drive) position. The gear The transmission will enter indicator in the instrument Manual Mode. The DIC gear Driving with the engine at a high cluster will still display an S for indicator will change to an M rpm without upshifting while using Sport Mode, and the SPORT followed by a number Driver Shift Control (DSC), could MODE ON message will representing the gear the damage the vehicle. Always display momentarily. See Ride vehicle is currently in. upshift when necessary while Control System Messages 2. In Manual Mode, press the 0 using DSC. 136. When in Sport Mode, + (Plus) end of the switch on the vehicle will still shift the side of the shift lever to automatically, but upshift, or the − (Minus) end to DSC allows the automatic tuning is modified. See downshift. transmission to be shifted similar to Selective Ride Control 0 194. a manual transmission. To use the If you press the +/− switch on The display on the instrument DSC feature: the side of the shift lever, the cluster will show which gear the vehicle is in. The number indicates With Selective Ride Control transmission will enter Manual Mode, and the DIC gear the requested gear when pressing 1. Move the shift lever from indicator will change to an M the +/− switch on the shift lever. D (Drive) to M/S (Manual Mode/ followed by a number The transmission will only allow Sport Mode). representing the gear the shifting into gears appropriate for vehicle is currently in. the vehicle speed and engine 2. In Manual Mode, press the revolutions per minute (rpm). The + (Plus) end of the switch on transmission will not automatically the side of the shift lever to shift to the next lower gear if the upshift, or the − (Minus) end to engine rpm is too high, nor to the downshift. next higher gear when the maximum engine rpm is reached. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Driving and Operating 189 While in Manual Mode, the Drive Systems Brakes transmission will automatically downshift when the vehicle comes to a stop. This will allow for more All-Wheel Drive Antilock Brake power during take-off. Vehicles with this feature always System (ABS) When accelerating the vehicle from send engine power to all four This vehicle has ABS, an advanced a stop in snowy and icy conditions, wheels. It is fully automatic, and electronic braking system that helps you may want to shift into adjusts itself as needed for road prevent a braking skid. 2 (Second) gear. A higher gear conditions. When the vehicle begins to drive allows the vehicle to gain more All-Wheel Drive (AWD) system away, ABS checks itself. traction on slippery surfaces. performance will be automatically A momentary motor or clicking noise reduced when the compact spare might be heard while this test is tire is in use. To restore full AWD going on, and it might even be performance, and prevent excessive noticed that the brake pedal moves wear to the AWD system, replace a little. This is normal. the compact with a full-size tire as soon as possible. See Compact Spare Tire 0 296.

If there is a problem with ABS, this warning light stays on. See Antilock Brake System (ABS) Warning Light 0 117. If driving safely on a wet road and it becomes necessary to slam on the brakes and continue braking to Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

190 Driving and Operating

avoid a sudden obstacle, a Using ABS The Electric Parking Brake (EPB) computer senses the wheels are switch is on the center console. The Do not pump the brakes. Just hold slowing down. If one of the wheels EPB can always be activated, even the brake pedal down firmly and let is about to stop rolling, the computer if the ignition is off. To prevent ABS work. You may hear the ABS will separately work the brakes at draining the battery, avoid repeated pump or motor operating and feel each wheel. cycles of the EPB when the engine the brake pedal pulsate. This is is not running. ABS can change the brake pressure normal. to each wheel, as required, faster The system has a red parking brake than any driver could. This can help Braking in Emergencies status light and an amber parking you steer around the obstacle while ABS allows you to steer and brake brake warning light. See Electric braking hard. at the same time. In many Parking Brake Light 0 116 and emergencies, steering can help Service Electric Parking Brake Light As the brakes are applied, the 0 computer keeps receiving updates more than even the very best 116. There are also parking on wheel speed and controls braking. brake-related Driver Information braking pressure accordingly. Center (DIC) messages. See Brake Parking Brake System Messages 0 130. In case of Remember: ABS does not change insufficient electrical power, the EPB the time needed to get a foot up to cannot be applied or released. the brake pedal or always decrease stopping distance. If you get too Before leaving the vehicle, check close to the vehicle in front of you, the red parking brake status light to there will not be enough time to ensure that the parking brake is apply the brakes if that vehicle applied. suddenly slows or stops. Always EPB Apply leave enough room up ahead to stop, even with ABS. To apply the EPB: 1. Be sure the vehicle is at a complete stop. 2. Lift up the EPB switch momentarily. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Driving and Operating 191

The red parking brake status light The vehicle may automatically apply brake status light is off. If either light will flash and then stay on once the the EPB in some situations when stays on after release is attempted, EPB is fully applied. If the red the vehicle is not moving. This is see your dealer. 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. problem with the EPB. A DIC If the EPB fails to apply, the rear Driving with the parking brake on message will display. Release the wheels should be blocked to can overheat the brake system EPB and try to apply it again. If the prevent vehicle movement. and cause premature wear or 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 To release the EPB: is fully released and the brake parking brake status light is flashing. warning light is off before driving. See your dealer. See Electric 1. Place the ignition in the ACC/ Parking Brake Light 0 116. ACCESSORY or ON/RUN position. If the amber parking brake warning Automatic EPB Release light is on, lift up on the EPB switch 2. Apply and hold the brake The EPB will automatically release if and hold it up. Continue to hold the pedal. the vehicle is running, placed into switch until the red parking brake 3. Push down momentarily on the gear, and an attempt is made to status light remains on. If the amber EPB switch. drive away. Avoid rapid acceleration parking brake warning light is on, when the EPB is applied, to see your dealer. The EPB is released when the red preserve parking brake lining life. parking brake status light is off. If the EPB is applied while the If parking on a hill, or if the vehicle vehicle is moving, the vehicle will If the amber parking brake warning is pulling a trailer, see Driving decelerate as long as the switch is light is on, release the EPB by Characteristics and Towing held up. If the switch is held up until pushing down on the EPB switch Tips 0 220. the vehicle comes to a stop, the and holding it down. Continue to EPB will remain applied. hold the switch until the red parking Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

192 Driving and Operating Brake Assist Hill Start Assist (HSA) Ride Control Systems The Brake Assist feature is This vehicle has an HSA feature, designed to assist the driver in which may be useful when the Traction Control/ stopping or decreasing vehicle vehicle is stopped on a grade Electronic Stability speed in emergency driving sufficient enough to activate HSA. conditions. This feature uses the This feature is designed to prevent Control stability system hydraulic brake the vehicle from rolling, either System Operation control module to supplement the forward or rearward, during vehicle The vehicle has a Traction Control power brake system under drive off. After the driver completely ® conditions where the driver has stops and holds the vehicle in a System (TCS) and StabiliTrak , an quickly and forcefully applied the complete standstill on a grade, HSA electronic stability control system. brake pedal in an attempt to quickly will be automatically activated. These systems help limit wheel slip stop or slow down the vehicle. The During the transition period between and assist the driver in maintaining stability system hydraulic brake when the driver releases the brake control, especially on slippery road control module increases brake pedal and starts to accelerate to conditions. pressure at each corner of the drive off on a grade, HSA holds the TCS activates if it senses that any vehicle until the ABS activates. braking pressure for a maximum of of the drive wheels are spinning or Minor brake pedal pulsation or two seconds to ensure that there is beginning to lose traction. When this pedal movement during this time is no rolling. The brakes will happens, TCS applies the brakes to normal and the driver should automatically release when the the spinning wheels and reduces continue to apply the brake pedal as accelerator pedal is applied within engine power to limit wheel spin. the driving situation dictates. The the two-second window. It will not Brake Assist feature will activate if the vehicle is in a drive StabiliTrak activates when the automatically disengage when the gear and facing downhill, or if the vehicle senses a difference between brake pedal is released or brake vehicle is facing uphill and in the intended path and the direction pedal pressure is quickly R (Reverse). the vehicle is actually traveling. decreased. StabiliTrak selectively applies braking pressure to any one of the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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vehicle wheel brakes to assist the 2. Turn the engine off and wait driver in keeping the vehicle on the 15 seconds. intended path. 3. Start the engine. If cruise control is being used and d traction control or StabiliTrak begins Drive the vehicle. If comes on to limit wheel spin, cruise control will and stays on, the vehicle may need disengage. Cruise control may be The indicator light for both systems more time to diagnose the problem. turned back on when road is in the instrument cluster. This If the condition persists, see your conditions allow. light will: dealer. Both systems come on . Flash when TCS is limiting Turning the Systems Off automatically when the vehicle is wheel spin. and On started and begins to move. The . Flash when StabiliTrak is systems may be heard or felt while activated. they are operating or while performing diagnostic checks. This . Turn on and stay on when either is normal and does not mean there system is not working. is a problem with the vehicle. If either system fails to turn on or to It is recommended to leave both activate, a message displays in the systems on for normal driving Driver Information Center (DIC), and conditions, but it may be necessary d comes on and stays on to to turn TCS off if the vehicle gets indicate that the system is inactive stuck in sand, mud, ice, or snow. and is not assisting the driver in See If the Vehicle Is Stuck 0 170 maintaining control. The vehicle is and “Turning the Systems Off and safe to drive, but driving should be adjusted accordingly. On” later in this section. The TCS/StabiliTrak button is on the If d comes on and stays on: center console. 1. Stop the vehicle. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

194 Driving and Operating

To turn off both TCS and StabiliTrak, Limited-Slip Differential Caution press and hold the button until g Vehicles with a limited-slip Do not repeatedly brake or the traction off light i and differential can give more traction on accelerate heavily when TCS is StabiliTrak OFF light g come on snow, mud, ice, sand, or gravel. off. The vehicle driveline could be and stay on in the instrument It works like a standard differential damaged. cluster. The appropriate DIC most of the time, but when traction message displays. See Ride Control is low, this feature allows the drive 0 wheel with the most traction to To turn off only TCS, press and System Messages 136. move the vehicle. release the g button. The traction To turn TCS and StabiliTrak on off light i displays in the instrument again, press and release the g Selective Ride Control cluster. The appropriate DIC button. The traction off light i and The vehicle may have a ride control message displays. See Ride Control StabiliTrak OFF light g in the system called Selective Ride System Messages 0 136. instrument cluster turn off. Control. The system provides the To turn TCS on again, press and Adding accessories can affect the following performance benefits: release the g button. The traction vehicle performance. See . Reduced Impact Harshness i Accessories and off light displayed in the . Improved Road Isolation instrument cluster will turn off. Modifications 0 228. . Improved High-Speed Stability If TCS is limiting wheel spin when Improved Handling Response the g button is pressed, the system . will not turn off until the wheels stop . Better Control of Body Ride spinning. Motions Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Driving and Operating 195 To switch from TOUR to SPORT Cruise Control If equipped with the Traction Control mode, move the shift lever to the M/ System (TCS), the system may S (Manual/Sport) position. With cruise control the vehicle can begin to limit wheel spin while you maintain a speed of about 40 km/h TOUR : Use for normal city and are using cruise control. If this (25 mph) or more without keeping highway driving. This setting happens, the cruise control will your foot on the accelerator. Cruise provides a smooth, soft ride. automatically disengage. See control does not work at speeds Traction Control/Electronic Stability SPORT : Use where road conditions below 40 km/h (25 mph). Control 0 192. If a collision alert or personal preference demand occurs when cruise control is more control. This setting provides { Warning activated, cruise control is more “feel,” or response to road disengaged. See Forward Collision conditions through increased Cruise control can be dangerous Alert (FCA) System 0 208. When steering effort and suspension where you cannot drive safely at road conditions allow you to safely tuning. a steady speed. Do not use use it again, cruise control can be The setting can be changed at any cruise control on winding roads or turned back on. time. Based on road conditions, in heavy traffic. If the brakes are applied, cruise steering wheel angle, and vehicle Cruise control can be dangerous control disengages. speed, the system automatically on slippery roads. On such roads, adjusts to provide the best handling fast changes in tire traction can while providing a smooth ride. The TOUR and SPORT modes will feel cause excessive wheel slip, and similar on a smooth road. you could lose control. Do not use cruise control on slippery roads. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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5 (On/Off) : Press to turn cruise 2. Get to the speed desired. Increasing Speed While Using control on or off. A white indicator 3. Press and release the SET− Cruise Control comes on in the instrument cluster. control on the steering wheel. If the cruise control system is RES+ (Resume/Accelerate) : If The desired set speed briefly already activated: there is a set speed in memory, appears in the instrument . Press and hold RES+ up until press the control up briefly to cluster. the vehicle accelerates to the resume to that speed or press and 4. Take your foot off the desired speed, then release it. hold to accelerate. If cruise control accelerator pedal. is already active, use to increase . To increase vehicle speed in vehicle speed. The cruise control indicator on the small increments, press RES+ instrument cluster turns green after up briefly. For each press, the SET− (Set/Coast) : Press the the cruise control has been set to vehicle goes about 1.6 km/h control down briefly to set the speed the desired speed. See Instrument (1 mph) faster. and activate cruise control. If cruise Cluster 0 106. control is already active, use to The speedometer reading can be decrease vehicle speed. Resuming a Set Speed displayed in either English or metric units. See Instrument Cluster 0 106. * (Cancel) : Press to disengage If the cruise control is set at a The increment value used depends cruise control without erasing the desired speed and then the brakes on the units displayed. set speed from memory. are applied or * is pressed, the cruise control is disengaged without Reducing Speed While Using Setting Cruise Control erasing the set speed from memory. Cruise Control If the 5 button is on when not in Once the vehicle reaches about If the cruise control system is use, SET− or RES+ could get 40 km/h (25 mph) or more, press already activated: pressed and go into cruise when not RES+ up briefly. The vehicle returns . Press and hold SET− down until desired. Keep the 5 button off to the previously set speed. the desired lower speed is when cruise is not being used. reached, then release it. 1. Press the 5 button to turn the cruise system on. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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. To slow down in small accelerator pedal to maintain your section before using this system. increments, press SET−down speed. When going downhill, you The following gap is the following briefly. For each press, the might have to brake or shift to a time between your vehicle and a vehicle goes about 1.6 km/h lower gear to keep your speed vehicle detected directly ahead in (1 mph) slower. down. If the brake pedal is applied, your path, moving in the same The speedometer reading can be cruise control will disengage. direction. If no vehicle is detected in your path, ACC works like regular displayed in either English or metric Ending Cruise Control units. See Instrument Cluster 0 106. cruise control. ACC uses a radar There are four ways to end cruise sensor. See Radio Frequency The increment value used depends 0 on the units displayed. control: Statement 341. . Step lightly on the brake pedal. If a vehicle is detected in your path, Passing Another Vehicle While * ACC can apply acceleration or Using Cruise Control . Press . limited, moderate braking to Use the accelerator pedal to . Shift the transmission to maintain the selected following gap. increase the vehicle speed. When N (Neutral). To disengage ACC, apply the brake. you take your foot off the pedal, the If ACC is controlling your vehicle vehicle will slow down to the . To turn off cruise control, speed when the traction control previously set cruise speed. While press 5. system (TCS) or electronic stability pressing the accelerator pedal or Erasing Speed Memory control system activates, the ACC shortly following the release to may automatically disengage. See override cruise control, briefly The cruise control set speed is Traction Control/Electronic Stability pressing SET− will result in cruise erased from memory if 5 is pressed Control 0 192. When road set to the current vehicle speed. or the ignition is turned off. conditions allow ACC to be safely used, the ACC can be turned Using Cruise Control on Hills Adaptive Cruise Control back on. How well the cruise control will work ACC will not engage if the TCS or on hills depends upon the vehicle If equipped with Adaptive Cruise electronic stability control system is speed, load, and the steepness of Control (ACC), it allows the driver to disabled. the hills. When going up steep hills, select the cruise control set speed you might have to step on the and following gap. Read this entire Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

198 Driving and Operating

] (On/Off) : Press to turn the { Warning Warning (Continued) system on or off. The indicator turns ACC has limited braking ability a vehicle ahead. Keep the white on the instrument cluster and may not have time to slow entire front of the vehicle when ACC is turned on. the vehicle down enough to avoid clean. RES+ (Resume/Accelerate) : a collision with another vehicle . Visibility is low, such as in Press the control up briefly to make you are following. This can occur fog, rain, or snow the vehicle resume to a previously when vehicles suddenly slow or conditions. ACC set speed, or hold upwards to stop ahead, or enter your lane. performance is limited under accelerate. If cruise control is Also see “Alerting the Driver” in these conditions. already active, use to increase vehicle speed. this section. Complete attention is . On slippery roads where always required while driving and fast changes in tire traction SET– (Set/Coast) : Press the you should be ready to take can cause excessive control down briefly to set the speed action and apply the brakes. See wheel slip. and activate cruise control. If cruise Defensive Driving 0 165. control is already active, use to decrease vehicle speed. * (Cancel) : Press to disengage { Warning ACC without erasing the selected set speed. ACC will not detect or brake for children, pedestrians, animals, 3 (Follow Distance Gap) : Press or other objects. to select a following gap time (or distance) setting for ACC of Far, Do not use ACC when: Medium, or Near. . On winding and hilly roads or when the sensors are blocked by snow, ice, or dirt. The system may not detect (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Setting Adaptive Cruise Control Increasing Speed While ACC is at If the cruise button is on when not in a Set Speed use, it could get pressed and go into If ACC is already activated, do one cruise when not desired. Keep the of the following: cruise control button off when cruise . Use the accelerator to get to the is not being used. higher speed. Press SET down. The ACC indicator displays on the – Select the set speed desired for Release the control and the instrument cluster and Head-Up cruise. This is the vehicle speed accelerator pedal. The vehicle Display (HUD). When ACC is active, when no vehicle is detected in will now cruise at the higher the indicator will be lit green. its path. speed. Be mindful of speed limits, ACC will not set at a speed less When the accelerator pedal is surrounding traffic speeds, and than 25 km/h (16 mph), although it pressed, ACC will not brake weather conditions when selecting can be resumed when driving at because it is overridden. the set speed. lower speeds. A warning message will appear To set ACC: Resuming a Set Speed on the Driver Information Center (DIC) and Head-Up Display If the ACC is set at a desired speed ] (HUD). See Cruise Control 1. Press . and then the brakes are applied, Messages 0 131. 2. Get up to the desired speed. ACC is disengaged without erasing the set speed from memory. . Press and hold RES+ up until 3. Press and release the SET– the desired set speed appears To begin using ACC again, press control on the steering wheel. on the display, then release it. RES+ up briefly on the steering 4. Remove foot from the wheel. The vehicle returns to the . To increase vehicle speed in accelerator. previously set speed. small increments, briefly press After ACC is set, it may immediately RES+. For each press, the apply the brakes if a vehicle ahead vehicle increase to the next is detected closer than the selected 5 km/h (1 mph) mark on the following gap. speedometer. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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When it is determined that there is vehicle speed decreases to the faster the vehicle speed, the further no vehicle ahead or the vehicle next 5 km/h (1 mph) mark on the back your vehicle will follow a ahead is beyond the selected speedometer. vehicle detected ahead. Consider following gap, then the vehicle The speedometer reading can be traffic and weather conditions when speed will increase to the set speed. displayed in either English or metric selecting the following gap. The The speedometer reading can be units. See Instrument Cluster 0 106. range of selectable gaps may not be displayed in either English or metric The increment value used depends appropriate for all drivers and units. See Instrument Cluster 0 106. on the units displayed. driving conditions. The increment value used depends Changing the gap setting on the units displayed. Selecting the Follow Distance Gap automatically changes the alert When a slower moving vehicle is timing sensitivity (Far, Medium, Reducing Speed While ACC is at a detected ahead within the selected or Near) for the Forward Collision Set Speed following gap, ACC will adjust the Alert (FCA) feature. See Forward If ACC is already activated, do one vehicle's speed and attempt to Collision Alert (FCA) System 0 208. of the following: maintain the follow distance gap Alerting the Driver . Use the brake to get to the selected. desired lower speed. Press Press 3 on the steering wheel to SET– down and release the adjust the following gap. Each press accelerator pedal. The vehicle cycles the gap button through three will now cruise at the lower settings: Far, Medium, or Near. speed. When pressed, the current gap . Press and hold SET– down until setting displays briefly on the the desired lower speed is instrument cluster and HUD. The If ACC is engaged, driver action reached, then release it. gap setting will be maintained until it may be required when ACC cannot . To decrease the vehicle speed in is changed. apply sufficient braking because of smaller increments, press SET− Since each gap setting corresponds approaching a vehicle too rapidly. down briefly. For each press, the to a following time (Far, Medium, or Near), the following distance will vary based on vehicle speed. The Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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When this condition occurs, the ACC automatically slows the vehicle collision alert symbol on the HUD down and adjusts vehicle speed to Warning (Continued) will flash on the windshield. Either follow the vehicle in front at the eight beeps will sound from the selected follow gap. The vehicle Your vehicle may not stop and front, or both sides of the Safety speed increases or decreases to could cause a crash. Use caution Alert Seat will pulse five times. See follow the vehicle in front of you, but when using ACC. Your complete “Collision/Detection Systems” under will not exceed the set speed. It may attention is always required while Vehicle Personalization 0 139. apply limited braking, if necessary. driving and you should be ready to take action and apply the See Defensive Driving 0 165. When braking is active, the brake lights will come on. The automatic brakes. Approaching and Following a braking may feel or sound different Vehicle than if the brakes were applied ACC Automatically Disengages 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. Adaptive Cruise Control (ACC) . The traction control system The vehicle ahead symbol is in the may not detect and react to (TCS) or electronic stability instrument cluster and HUD display. stopped or slow-moving vehicles control system has activated or The vehicle ahead symbol only ahead of you. For example, the been disabled. displays when a vehicle is detected system may not brake for a . No traffic or other objects are in your vehicle’s path moving in the vehicle it has never detected being detected. same direction. moving. This can occur in . There is a fault in the system. If this symbol is not displaying, ACC stop-and-go traffic or when a will not respond to or brake to vehicle suddenly appears due to A message will appear on the DIC vehicles ahead. a vehicle ahead changing lanes. indicating that cruise is disengaging. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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The ACC active symbol will not be on. See Parking Brake 0 190. To displayed when ACC is no longer resume ACC and release the Warning (Continued) active. electric parking brake, press the accelerator pedal. vehicle in P (Park) and turn off Notification to Resume ACC the ignition before leaving the A DIC warning message may vehicle. ACC will maintain a follow gap display indicating to shift to P (Park) behind a detected vehicle and slow before exiting the vehicle. See your vehicle to a stop behind that Vehicle Messages 0 130. ACC Override vehicle. If using the accelerator pedal while If the stopped vehicle ahead has { Warning ACC is active, a DIC warning driven away and ACC has not message will indicate that automatic resumed, the vehicle ahead symbol If ACC has stopped the vehicle, braking will not occur. See Vehicle will flash as a reminder to check and if ACC is disengaged, turned Messages 0 130. ACC will resume traffic ahead before proceeding. In off, or canceled, the vehicle will operation when the accelerator addition, the left and right sides of no longer be held at a stop. The pedal is not being pressed. the Safety Alert Seat will pulse three vehicle can move. When ACC is times, or three beeps will sound. holding the vehicle at a stop, { Warning See ”Alert Type” and “Go Notifier” in always be prepared to manually “Collision/Detection Systems” under The ACC will not automatically 0 apply the brakes. Vehicle Personalization 139. apply the brakes if your foot is When the vehicle ahead drives resting on the accelerator pedal. away, press RES+ or the { Warning You could crash into a vehicle accelerator pedal to resume cruise ahead of you. control. If stopped for more than Leaving the vehicle without two minutes or if the driver door is placing it in P (Park) can be opened and the driver safety belt is dangerous. Do not leave the unbuckled, the ACC automatically vehicle while it is being held at a applies the electric parking brake to stop by ACC. Always place the hold the vehicle. The electric parking brake status light will turn (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Curves in the Road ACC may operate differently in a ACC may detect a vehicle that is sharp curve. It may reduce the not in your lane and apply the { Warning vehicle speed if the curve is too brakes. sharp. ACC may occasionally provide an On curves, ACC may not detect a alert and/or braking that is vehicle ahead in your lane. You considered unnecessary. It could could be startled if the vehicle respond to vehicles in different accelerates up to the set speed, lanes, signs, guardrails, and other especially when following a stationary objects when entering or vehicle exiting or entering exit exiting a curve. This is normal ramps. You could lose control of operation. The vehicle does not the vehicle or crash. Do not use need service. ACC while driving on an entrance Other Vehicle Lane Changes or exit ramp. Always be ready to use the brakes if necessary. When following a vehicle and entering a curve, ACC may not detect the vehicle ahead and accelerate to the set speed. When { Warning this happens, the vehicle ahead On curves, ACC may respond to symbol will not appear. a vehicle in another lane, or may not have time to react to a vehicle in your lane. You could crash into a vehicle ahead of you, or lose ACC will not detect a vehicle ahead control of your vehicle. Give extra until it is completely in the lane. The attention in curves and be ready brakes may need to be manually to use the brakes if necessary. applied. Select an appropriate speed while driving in curves. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

204 Driving and Operating Do Not Use ACC on Hills and Erasing Speed Memory Driver Assistance When Towing a Trailer The cruise control set speed is Systems erased from memory if ] is pressed or if the ignition is This vehicle may have features that turned off. work together to help avoid crashes or reduce crash damage while Cleaning the Sensing System driving, backing, and parking. Read The radar sensor on the front of the this entire section before using vehicle can become blocked by these systems. snow, ice, dirt, or mud. This area needs to be cleaned for ACC to { Warning operate properly. Do not use ACC when driving on Do not rely on the Driver For cleaning instructions, see steep hills or when towing a trailer. Assistance Systems. These ACC will not detect a vehicle in the Washing the Vehicle under “ ” systems do not replace the need lane while driving on steep hills. The Exterior Care 0 304. for paying attention and driving driver will often need to take over System operation may also be acceleration and braking on steep safely. You may not hear or feel limited under snow, heavy rain, alerts or warnings provided by hills, especially when towing a or road spray conditions. trailer. If the brakes are applied, the these systems. Failure to use ACC disengages. proper care when driving may result in injury, death, or vehicle Disengaging ACC damage. See Defensive There are three ways to Driving 0 165. disengage ACC: (Continued) . Step lightly on the brake pedal. . Press *. . Press ]. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Audible or Safety Alert Seat the vehicle is shifted out of Warning (Continued) Some driver assistance features R (Reverse), the screen returns to alert the driver of obstacles by the previous content, after a short Under many conditions, these beeping. To change the volume of delay. To return to this previous screen sooner, press one of the systems will not: the warning chime, see “Comfort radio buttons. If the message . Detect children, and Convenience” under Vehicle Personalization 0 139. Service Rear Camera System is pedestrians, bicyclists, displayed, the vehicle may need or animals. If equipped with the Safety Alert service. . Detect vehicles or objects Seat, the driver seat cushion may outside the area monitored provide a vibrating pulse alert by the system. instead of beeping. To change this, see “Collision/Detection Systems” . Work at all driving speeds. under Vehicle 0 . Warn you or provide you Personalization 139. with enough time to avoid a crash. Assistance Systems for . Work under poor visibility or Parking or Backing bad weather conditions. If equipped, the Rear Vision Camera . Work if the detection sensor (RVC), Rear Parking Assist (RPA), is not cleaned or is covered and Rear Cross Traffic Alert (RCTA) by ice, snow, mud, or dirt. may help the driver park or avoid objects. Always check around the 1. View Displayed by the Complete attention is always vehicle when parking or backing. Camera required while driving, and you should be ready to take action Rear Vision Camera (RVC) and apply the brakes and/or steer When the vehicle is shifted into the vehicle to avoid crashes. R (Reverse), the RVC displays an image of the area behind the vehicle in the center stack display. When Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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detect objects and can also cause { Warning false detections. Keep the sensors clean of mud, dirt, snow, ice, and The camera(s) do not display slush; and clean sensors after a car children, pedestrians, bicyclists, wash in freezing temperatures. crossing traffic, animals, or any other object outside of the { Warning cameras’ field of view, below the bumper, or under the vehicle. The Parking Assist system does 1. View Displayed by the Shown distances may be different not detect children, pedestrians, Camera from actual distances. Do not bicyclists, animals, or objects 2. Corners of the Rear Bumper drive or park the vehicle using located below the bumper or that only these camera(s). Always are too close or too far from the Displayed images may be farther or check behind and around the vehicle. It is not available at closer than they appear. The area vehicle before driving. Failure to displayed is limited and objects that speeds greater than 8 km/h use proper care may result in (5 mph). To prevent injury, death, are close to either corner of the injury, death, or vehicle damage. bumper or under the bumper do not or vehicle damage, even with display. parking assist, always check the Parking Assist area around the vehicle and A warning triangle may display on check all mirrors before moving With RPA, as the vehicle backs up the RVC screen to show that Rear forward or backing. Parking Assist (RPA) has detected at speeds of less than 8 km/h an object. This triangle changes (5 mph), the sensors on the rear from amber to red and increases in bumper detect objects up to 2.5 m size the closer the object. (8 ft) behind the vehicle that are within a zone 25 cm (10 in) high off the ground and below bumper level. These detection distances may be shorter during warmer or humid weather. Blocked sensors will not Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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RVC screen to warn of traffic next to the button comes on when coming from either direction when the feature is on and turns off when backing. This system detects the feature has been disabled. objects coming from up to 20 m Turn off parking assist when towing (66 ft) from the left or right side a trailer. behind the vehicle. When an object is detected, either three beeps To turn the RPA symbols or rear sound from the left or right side or guidance lines on or off, see "Rear three Safety Alert Seat pulses occur Camera" under Vehicle 0 The vehicle may have instrument on the left or right side, depending Personalization 139. cluster parking assist display with on the direction of the detected RCTA can be turned on or off bars that show “distance to object” vehicle. through vehicle personalization. See and object location information for Use caution while backing up when “Collision/Detection Systems” under RPA. As the object gets closer, towing a trailer, as the RCTA Vehicle Personalization 0 139. more bars light up and the bars detection zones that extend out change color from yellow to amber from the back of the vehicle do not Assistance Systems for to red. move further back when a trailer is Driving When an object is first detected, towed. If equipped, when driving the one beep will be heard from the Turning the Features On or Off rear, or both sides of the Safety vehicle in a forward gear, Forward Alert Seat will pulse two times. Collision Alert (FCA), Lane When an object is very close Departure Warning (LDW), Side (<0.6 m (2 ft)), five beeps will sound, Blind Zone Alert (SBZA), Lane or both sides of the Safety Alert Change Alert (LCA), and/or the Seat will pulse five times. Front Automatic Braking (FAB) System can help to avoid a crash or Rear Cross Traffic Alert (RCTA) reduce crash damage. On vehicles with the Rear Cross The X button on the center stack Traffic Alert (RCTA), a triangle with is used to turn on or off the Rear an arrow may also display on the Parking Assist. The indicator light Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Forward Collision Alert FCA warnings will not occur unless Warning (Continued) the FCA system detects a vehicle (FCA) System ahead. When a vehicle is detected, The FCA system may help to avoid or when following a vehicle too the vehicle ahead indicator will or reduce the harm caused by closely, FCA may not provide a display green. Vehicles may not be front-end crashes. FCA provides a warning with enough time to help detected on curves, highway exit flashing red alert on the windshield, avoid a crash. It also may not ramps, or hills, due to poor visibility; and beeps or pulses the Safety Alert provide any warning at all. FCA or if a vehicle ahead is partially Seat when approaching a vehicle does not warn of pedestrians, blocked by pedestrians or other directly ahead too quickly. FCA also animals, signs, guardrails, objects. FCA will not detect another provides a visual alert if following bridges, construction barrels, vehicle ahead until it is completely another vehicle much too closely. or other objects. Be ready to take in the driving lane. action and apply the brakes. See FCA detects vehicles within a 0 distance of approximately 60 m Defensive Driving 165. { Warning (197 ft) and operates at speeds FCA does not provide a warning above 40 km/h (25 mph). If the FCA can be disabled through to help avoid a crash, unless it vehicle has Adaptive Cruise Control vehicle personalization. See the detects a vehicle. FCA may not (ACC), it can detect vehicles to “Auto Collision Preparation” portion detect a vehicle ahead if the FCA distances of approximately 110 m of “Collision/Detection Systems” (360 ft). See Adaptive Cruise under Vehicle sensor is blocked by dirt, snow, Control 0 197. Personalization 0 139. or ice, or if the windshield is damaged. It may also not detect a Detecting the Vehicle Ahead { Warning vehicle on winding or hilly roads, or in conditions that can limit FCA is a warning system and visibility such as fog, rain, does not apply the brakes. When or snow, or if the headlamps or approaching a slower-moving or windshield are not cleaned or in stopped vehicle ahead too rapidly, (Continued) (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Tailgating Alert timing. The range of selectable alert Warning (Continued) timing may not be appropriate for all drivers and driving conditions. proper condition. Keep the windshield, headlamps, and FCA Changing the FCA timing setting sensors clean and in good repair. automatically changes the following gap setting (Far, Medium, or Near) for the Adaptive Cruise Control Collision Alert (ACC) feature. The vehicle ahead indicator will display amber when you are Following Distance Indication following a vehicle ahead much too The following distance to a moving closely. vehicle you are following is Selecting the Alert Timing indicated in following time in seconds on the Driver Information The Collision Alert control is on the Center (DIC). See Driver When your vehicle approaches steering wheel. Press [ to set the Information Center (DIC) 0 123. The another vehicle too rapidly, the red alert timing. The first button press minimum following time is collision alert symbol on the HUD shows the current setting on the 0.5 seconds away. If there is no will flash on the windshield. Either DIC. Additional button presses will vehicle detected ahead, or the eight beeps will sound from the change this setting. The chosen vehicle ahead is out of sensor front, or both sides of the Safety setting will remain until it is changed range, dashes will be displayed. Alert Seat will pulse five times. and will affect the timing of both the When this Collision Alert occurs, the Collision Alert and the Tailgating Unnecessary Alerts brake system may prepare for driver Alert features. The timing of both FCA may provide unnecessary braking to occur more rapidly which alerts will vary based on vehicle alerts for turning vehicles, vehicles can cause a brief, mild deceleration. speed. The faster the vehicle speed, in other lanes, objects that are not Continue to apply the brake pedal the farther away the alert will occur. vehicles, or shadows. These alerts as needed. Cruise control may be Consider traffic and weather are normal operation and the disengaged when the Collision Alert conditions when selecting the alert vehicle does not need service. occurs. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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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 Front Automatic Braking pedestrians or other objects. (FAB) System { 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 front automatic braking especially vehicles with a FAB may automatically brake the 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 0 208. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Side Blind Zone Warning (Continued) { Warning Alert (SBZA) undesired. It could respond to a IBA may increase vehicle braking If equipped, the SBZA system is a turning vehicle ahead, guardrails, in situations when it may not be lane-changing aid that assists signs, and other non-moving necessary. You could block the drivers with avoiding crashes that objects. To override FAB, firmly flow of traffic. If this occurs, take occur with moving vehicles in the press the accelerator pedal, if it is your foot off the brake pedal and side blind zone (or spot) areas. safe to do so. then apply the brakes as needed. When the vehicle is in a forward gear, the left or right side mirror Intelligent Brake Assist (IBA) FAB and IBA can be disabled display will light up if a moving through vehicle personalization. See vehicle is detected in that blind IBA may activate when the brake the Auto Collision Preparation zone. If the turn signal is activated pedal is applied quickly by providing “ ” information in Collision/Detection and a vehicle is also detected on a boost to braking based on the “ Systems under Vehicle the same side, the display will flash speed of approach and distance to ” Personalization 0 139. as an extra warning not to change a vehicle ahead. lanes. Since this system is part of the Lane Change Alert (LCA) Minor brake pedal pulsations or { Warning pedal movement during this time is system, read the entire LCA section normal and the brake pedal should Using FAB or IBA while towing a before using this feature. continue to be applied as needed. trailer could cause you to lose IBA will automatically disengage control of the vehicle and crash. Lane Change Alert (LCA) only when the brake pedal is Turn the system to Off when If equipped, the LCA system is a released. towing a trailer. lane-changing aid that assists drivers with avoiding lane change crashes that occur with moving vehicles in the side blind zone (or spot) areas or with vehicles rapidly approaching these areas from behind. The LCA warning display Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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will light up in the corresponding LCA Detection Zones How the System Works outside side mirror and will flash if The LCA symbol lights up in the the turn signal is on. side mirrors when the system detects a moving vehicle in the next { Warning lane over that is in the side blind zone or rapidly approaching that LCA does not alert the driver to zone from behind. A lit LCA symbol vehicles outside of the system indicates it may be unsafe to detection zones, pedestrians, change lanes. Before making a lane bicyclists, or animals. It may not change, check the LCA display, provide alerts when changing check mirrors, glance over your lanes under all driving conditions. 1. SBZA Detection Zone shoulder, and use the turn signals. Failure to use proper care when 2. LCA Detection Zone changing lanes may result in The LCA sensor covers a zone of injury, death, or vehicle damage. approximately one lane over from Before making a lane change, both sides of the vehicle, or 3.5 m always check mirrors, glance over (11 ft). The height of the zone is your shoulder, and use the turn approximately between 0.5 m (1.5 ft) signals. and 2 m (6 ft) off the ground. The Left Side Mirror Right Side Mirror Side Blind Zone Alert (SBZA) Display Display warning area starts at approximately the middle of the vehicle and goes When the vehicle is started, both back 5 m (16 ft). Drivers are also outside mirror LCA displays will warned of vehicles rapidly briefly come on to indicate the approaching from up to 70 m (230 ft) system is operating. When the behind the vehicle. vehicle is in a forward gear, the left or right side mirror display will light up if a moving vehicle is detected in the next lane over in that blind zone or rapidly approaching that zone. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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If the turn signal is activated in the trailer. LCA may alert to objects If the LCA displays do not light up same direction as a detected attached to the vehicle, such as a when moving vehicles are in the vehicle, this display will flash as an trailer, bicycle, or object extending side blind zone or are rapidly extra warning not to change lanes. out to either side of the vehicle. approaching this zone and the LCA can be disabled through Attached objects may also interfere system is clean, the system may vehicle personalization using the with the detection of vehicles. This need service. Take the vehicle to Side Blind Zone Alert option. See is normal system operation; the your dealer. vehicle does not need service. “Collision/Detection Systems” under When LCA is disabled for any Vehicle Personalization 0 139. LCA may not always alert the driver reason other than the driver turning If LCA is disabled by the driver, the to vehicles in the next lane over, it off, the Side Blind Zone Alert On LCA mirror displays will not light up. especially in wet conditions or when option will not be available on the driving on sharp curves. The system personalization menu. When the System Does Not does not need to be serviced. The Seem to Work Properly system may light up due to Radio Frequency Information The LCA system requires some guardrails, signs, trees, shrubs, and See Radio Frequency driving for the system to calibrate to other non-moving objects. This is Statement 0 341. maximum performance. This normal system operation; the calibration may occur more quickly if vehicle does not need service. Lane Departure the vehicle is driving on a straight LCA may not operate when the LCA Warning (LDW) highway road with traffic and sensors in the left or right corners of roadside objects (e.g., guardrails, the rear bumper are covered with If equipped, LDW may help avoid barriers). mud, dirt, snow, ice, or slush, or in crashes due to unintentional lane departures. It may provide an alert if LCA displays may not come on heavy rainstorms. For cleaning instructions, see "Washing the the vehicle is crossing a lane when passing a vehicle quickly, for without using a turn signal in that a stopped vehicle, or when towing a Vehicle" under Exterior Care 0 304. If the DIC still displays the system direction. LDW uses a camera trailer. The LCA detection zones sensor to detect the lane markings that extend back from the side of unavailable message after cleaning both sides of the vehicle toward the at speeds of 56 km/h (35 mph) or the vehicle do not move further back greater. when a trailer is towed. Use caution rear corners of the vehicle, see your while changing lanes when towing a dealer. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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When LDW is on, @ is green if { Warning Warning (Continued) LDW is available to warn of a lane The LDW system does not steer maintain proper vehicle position departure. If the vehicle crosses a the vehicle. The LDW system within the lane, or vehicle detected lane marking without using may not: damage, injury, or death could the turn signal in that direction, @ changes to amber and flashes. Provide enough time to occur. Always keep the . Additionally, there will be three avoid a crash. windshield, headlamps, and camera sensors clean and in beeps, or the driver seat will pulse . Detect lane markings under good repair. Do not use LDW in three times on the right or left, poor weather or visibility bad weather conditions. depending on the lane departure conditions. This can occur if direction. the windshield or headlamps are blocked by How the System Works When the System Does Not Seem to Work Properly dirt, snow, or ice; if they are The LDW camera sensor is on the not in proper condition; or if windshield ahead of the rearview The system may not detect lanes as the sun shines directly into mirror. well when there are: the camera. @ . Close vehicles ahead. . Detect road edges. To turn LDW on and off, press on the center stack. The control . Sudden lighting changes, such . Detect lanes on winding or indicator will light when LDW is on. as when driving through tunnels. hilly roads. . Banked roads. If LDW only detects lane markings on one side of the road, it will only warn you when departing the lane on the side where it has detected a lane marking. Always keep your attention on the road and (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Driving and Operating 215 If the LDW system is not functioning Fuel Use regular unleaded gasoline properly when lane markings are meeting ASTM specification D4814 clearly visible, cleaning the Use of the recommended fuel is an with a posted octane rating of 87 or windshield may help. important part of the proper higher. Do not use gasoline with an maintenance of this vehicle. When LDW alerts may occur due to tar octane rating below 87, as it may driving in the U.S. and Canada, to marks, shadows, cracks in the road, cause engine damage and will lower help keep the engine clean and temporary or construction lane fuel economy. maintain optimum vehicle markings, or other road performance, we recommend using Use of Seasonal Fuels imperfections. This is normal system TOP TIER Detergent Gasolines. operation; the vehicle does not need Use summer and winter fuels in the See www.toptiergas.com for a list of service. Turn LDW off if these appropriate season. The fuels TOP TIER Detergent Gasolines. conditions continue. industry automatically modifies the fuel for the appropriate season. If fuel is left in the vehicle tank for long periods of time, driving or starting could be affected. Drive the vehicle until the fuel is at one-half tank or less, then refuel with the current seasonal fuel. Prohibited Fuels Gasolines containing oxygenates such as ethers and ethanol, as well as reformulated gasolines, are available in some cities. If these gasolines comply with the If the vehicle has a yellow fuel cap, previously described specification, E85 or FlexFuel can be used in the 0 then they are acceptable to use. vehicle. See E85 or FlexFuel 217. However, E85 (85% ethanol) and Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

216 Driving and Operating

other fuels containing more than California Fuel Fuels in Foreign 15% ethanol must be used only in FlexFuel vehicles. Requirements Countries If the vehicle is certified to meet If planning to drive in countries Caution California Emissions Standards, it is outside the U.S. or Canada, the designed to operate on fuels that proper fuel might be hard to find. Do not use fuel containing meet California specifications. See Check regional auto club or fuel methanol. It can corrode metal the underhood emission control retail brand websites for availability parts in the fuel system and also label. If this fuel is not available in in the country where driving. Never damage plastic and rubber parts. states adopting California Emissions use leaded gasoline, fuel containing That damage would not be Standards, the vehicle will operate methanol, manganese, or any other covered under the vehicle satisfactorily on fuels meeting fuel not recommended. Costly warranty. federal specifications, but emission repairs caused by use of improper control system performance might fuel would not be covered by the be affected. The malfunction vehicle warranty. Some gasolines, mainly high octane indicator lamp could turn on and the racing gasolines, can contain an vehicle may not pass a smog-check Fuel Additives octane-enhancing additive called test. See Malfunction Indicator methylcyclopentadienyl manganese Lamp (Check Engine Light) 0 114. To keep fuel systems clean, TOP tricarbonyl (MMT). Do not use If this occurs, return to your TIER Detergent Gasoline is 0 gasolines and/or fuel additives with authorized dealer for diagnosis. If it recommended. See Fuel 215. MMT as they can reduce spark plug is determined that the condition is If TOP TIER Detergent Gasoline is life and affect emission control caused by the type of fuel used, not available, one bottle of Fuel system performance. The repairs may not be covered by the System Treatment PLUS added to malfunction indicator lamp may turn vehicle warranty. the fuel tank at every engine oil on. If this occurs, see your dealer change can help. Fuel System for service. Treatment PLUS is the only gasoline additive recommended by General Motors. It is available at your dealer. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Do not use additives with E85 or do not meet ASTM or CGSB FlexFuel. specifications can affect driveability Caution and could cause the malfunction E85 or FlexFuel indicator lamp to come on. Do not use fuel containing methanol. It can corrode metal Vehicles with a yellow fuel cap can The starting characteristics of E85 parts in the fuel system and also use either unleaded gasoline or fuel or FlexFuel make it unsuitable for damage plastic and rubber parts. containing up to 85% ethanol (E85). use when temperatures fall below That damage would not be All other vehicles should use only −18 °C (0 °F). Use gasoline or add covered under the vehicle gasoline to the E85 or FlexFuel. the unleaded gasoline as described warranty. in Fuel 0 215. Because E85 or FlexFuel has less The use of E85 or FlexFuel is energy per liter (gallon) than encouraged when the vehicle is gasoline, the vehicle will need to be Filling the Tank designed to use it. E85 or FlexFuel refilled more often. See Filling the is made from renewable sources. Tank 0 217. { Warning To help locate fuel stations that Caution Fuel vapors and fuel fires burn carry E85 or FlexFuel, the U.S. violently and can cause injury or Department of Energy has an Some additives are not death. alternative fuel website. See compatible with E85 or FlexFuel www.afdc.energy.gov/afdc/locator/ . To help avoid injuries to you stations. and can harm the vehicle's fuel and others, read and follow system. Do not add anything to all the instructions on the E85 or FlexFuel should meet ASTM E85 or FlexFuel. Damage caused fuel pump island. Specification D 5798 or CAN/ by additives would not be covered Turn off the engine when CGSB–3.512 in Canada. Do not use by the vehicle warranty. . the fuel if the ethanol content is refueling. greater than 85%. Fuel mixtures that . Keep sparks, flames, and smoking materials away from fuel. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

218 Driving and Operating

Warning (Continued) { Warning

. Do not leave the fuel pump Overfilling the fuel tank by more unattended. than three clicks of a standard fill . Do not use a cell phone nozzle may cause: while refueling. . Vehicle performance issues, . Do not re-enter the vehicle including engine stalling and while pumping fuel. damage to the fuel system. . Keep children away from . Fuel spills. the fuel pump and never let . Potential fuel fires. children pump fuel. The fuel cap is behind a hinged fuel . Fuel can spray out if the fuel door on the passenger side of the Be careful not to spill fuel. Wait a cap is opened too quickly. vehicle. To open the fuel door, push few seconds after you have finished This spray can happen if the and release the rearward center pumping before removing the tank is nearly full, and is edge of the door. If equipped, the nozzle. Clean fuel from painted more likely in hot weather. fuel door is locked when the vehicle surfaces as soon as possible. See Open the fuel cap slowly 0 doors are locked. Press K on the Exterior Care 304. and wait for any hiss noise to stop, then unscrew the RKE transmitter to unlock. cap all the way. Turn the fuel cap counterclockwise to remove. While refueling, hang the fuel cap from the hook on the fuel door. Reinstall the cap by turning it clockwise until it clicks. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Filling a Portable Fuel { Warning Warning (Continued) Container If a fire starts while you are . Fill the container no more refueling, do not remove the { Warning than 95% full to allow for nozzle. Shut off the flow of fuel by expansion. shutting off the pump or by Filling a portable fuel container . Do not smoke, light notifying the station attendant. while it is in the vehicle can cause matches, or use lighters Leave the area immediately. fuel vapors that can ignite either while pumping fuel. by static electricity or other . Avoid using cell phones or means. You or others could be other electronic devices. Caution badly burned and the vehicle could be damaged. Always: If a new fuel cap is needed, be . Use approved fuel sure to get the right type of cap containers. from your dealer. The wrong type of fuel cap may not fit properly, . Remove the container from may cause the malfunction the vehicle, trunk, or pickup indicator lamp to light, and could bed before filling. damage the fuel tank and . Place the container on the emissions system. See ground. Malfunction Indicator Lamp 0 . Place the nozzle inside the (Check Engine Light) 114. fill opening of the container before dispensing fuel, and keep it in contact with the fill opening until filling is complete. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

220 Driving and Operating 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 301. 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 0 301. . The Automatic Collision . Also adjust the climate Preparation System should be control system to a setting Driving Characteristics set to Off when towing. See that brings in only outside Front Automatic Braking (FAB) air. See “Climate Control and Towing Tips System 0 210. Systems” in the Index. Driving with a Trailer . Turn off Park Assist when For more information about When towing a trailer: towing. carbon monoxide, see Engine Exhaust 0 185. . 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

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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/Mexico- 9159288) - 2016 - CRC - 10/5/15

222 Driving and Operating

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 0 314. 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 0 245. 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 (Except wrong, the rig could start to move. 3. Shift into a gear. People can be injured, and both eAssist) the vehicle and the trailer can be 4. Release the parking brake. Before pulling a trailer, three damaged. When possible, always 5. Let up on the brake pedal. important considerations have to do with weight: park the rig on a flat surface. 6. Drive slowly until the trailer is clear of the chocks. . Weight of the trailer. If parking the rig on a hill: 7. Stop and have someone pick . Weight of the trailer tongue. 1. Press the brake pedal, but do up and store the chocks. . Total weight on your vehicle's not shift into P (Park) yet. Turn tires. the wheels into the curb if facing downhill or into traffic if facing uphill. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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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 0 332. 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 0 171. subtracted from the maximum trailer weight. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

224 Driving and Operating

Total Weight on Your Vehicle's . Will any holes be made in the Trailer Brakes body of the vehicle when the Tires Does the trailer have its own trailer hitch is installed? If so, brakes? Be sure to read and follow Be sure the vehicle's tires are seal the holes when the hitch is the instructions for the trailer brakes inflated to the upper limit for cold removed. If the holes are not so they are installed, adjusted, and tires. These numbers can be found sealed, dirt, water, and deadly maintained properly. on the Tire and Loading Information carbon monoxide (CO) from the label. See Vehicle Load Limits Because the vehicle has antilock 0 exhaust can get into the vehicle. 171. Make sure not to go over the See Engine Exhaust 0 185. brakes, do not tap into the vehicle's GVW limit for the vehicle, including brake system. If this is done, both the weight of the trailer tongue. Safety Chains brake systems will not work well or Always attach chains between the at all. Trailer Towing (eAssist) vehicle and the trailer. Cross the The vehicle is neither designed nor safety chains under the tongue of intended to tow a trailer. the trailer to help prevent the tongue from contacting the road if it Towing Equipment becomes separated from the hitch. Leave enough slack so the rig can Hitches turn. Never allow safety chains to drag on the ground. Use the correct hitch equipment. See your dealer or a hitch dealer for assistance. . The rear bumper on the vehicle is not intended for hitches. Do not attach rental hitches or other bumper-type hitches to it. Use only a frame-mounted hitch that does not attach to the bumper. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Conversions and Caution Add-Ons Some electrical equipment can Add-On Electrical damage the vehicle or cause components to not work and Equipment would not be covered by the vehicle warranty. Always check { Warning with your dealer before adding electrical equipment. The Data Link Connector (DLC) is used for vehicle service and Emission Inspection/Maintenance Add-on equipment can drain the testing. See Malfunction Indicator vehicle's 12-volt battery, even if the vehicle is not operating. Lamp (Check Engine Light) 0 114. A device connected to the DLC — The vehicle has an airbag system. such as an aftermarket fleet or Before attempting to add anything driver-behavior tracking device — electrical to the vehicle, see may interfere with vehicle Servicing the Airbag-Equipped 0 systems. This could affect vehicle Vehicle 75 and Adding Equipment operation and cause a crash. to the Airbag-Equipped 0 Such devices may also access Vehicle 76. information stored in the vehicle’s systems. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Power Steering Fluid (2.4L L4 Headlamps, Front Turn Signal Vehicle Care Engine and 3.6L V6 Engine and Parking Lamps ...... 255 with FWD) ...... 247 Taillamps, Turn Signal, Power Steering Fluid (3.6L Stoplamps, and Back-Up General Information V6 Engine with AWD) ...... 247 Lamps ...... 256 General Information ...... 227 Washer Fluid ...... 247 License Plate Lamp ...... 256 California Proposition Brakes ...... 248 Replacement Bulbs ...... 257 65 Warning ...... 227 Brake Fluid ...... 249 California Perchlorate Battery - North America ...... 250 Electrical System Materials Requirements . . . . . 228 All-Wheel Drive ...... 251 High Voltage Devices and Accessories and Starter Switch Check ...... 251 Wiring ...... 257 Modifications ...... 228 Automatic Transmission Shift Electrical System Overload . . . 257 Vehicle Checks Lock Control Function Fuses and Circuit Breakers . . . 258 Check ...... 252 Engine Compartment Fuse Doing Your Own Block ...... 259 Service Work ...... 229 Ignition Transmission Lock Check ...... 252 Instrument Panel Fuse Hood ...... 230 Block ...... 262 Engine Compartment Park Brake and P (Park) Overview ...... 231 Mechanism Check ...... 252 Wheels and Tires Engine Oil ...... 236 Wiper Blade Replacement . . . . 253 Tires ...... 264 Engine Oil Life System ...... 238 Windshield Replacement . . . . . 253 All-Season Tires ...... 265 Automatic Transmission Headlamp Aiming Winter Tires ...... 265 Fluid ...... 239 Headlamp Aiming ...... 254 Summer Tires ...... 265 Engine Air Cleaner/Filter ...... 239 Tire Sidewall Labeling ...... 266 Cooling System ...... 242 Bulb Replacement Tire Designations ...... 268 Engine Coolant ...... 243 Bulb Replacement ...... 254 Tire Terminology and Engine Overheating ...... 245 Halogen Bulbs ...... 254 Definitions ...... 268 Overheated Engine Protection High Intensity Discharge (HID) Tire Pressure ...... 271 Operating Mode ...... 246 Lighting ...... 254 Tire Pressure for High-Speed LED Lighting ...... 254 Operation ...... 272 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Vehicle Care 227 Tire Pressure Monitor Towing the Vehicle General Information System ...... 273 Towing the Vehicle ...... 301 Tire Pressure Monitor Recreational Vehicle For service and parts needs, visit Operation ...... 274 Towing ...... 301 your dealer. You will receive Tire Inspection ...... 277 genuine GM parts and GM-trained Tire Rotation ...... 277 Appearance Care and supported service people. When It Is Time for New Exterior Care ...... 304 Interior Care ...... 308 Genuine GM parts have one of Tires ...... 278 these marks: Buying New Tires ...... 279 Floor Mats ...... 311 Different Size Tires and Wheels ...... 280 Uniform Tire Quality Grading ...... 281 Wheel Alignment and Tire Balance ...... 282 Wheel Replacement ...... 282 Tire Chains ...... 283 If a Tire Goes Flat ...... 284 Tire Sealant and Compressor Kit ...... 285 Storing the Tire Sealant and Compressor Kit ...... 291 Tire Changing ...... 291 Compact Spare Tire ...... 296 California Proposition 65 Warning Jump Starting Jump Starting - North America WARNING: Most motor vehicles, (On-board with including this one, contain and/or eAssist Only) ...... 297 emit chemicals known to the State Jump Starting - North America of California to cause cancer and (with or without eAssist) . . . . . 298 birth defects or other reproductive Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

228 Vehicle Care

harm. Engine exhaust, many parts Accessories and Damage to vehicle components and systems, many fluids, and resulting from modifications or the some component wear by-products Modifications installation or use of non-GM contain and/or emit these Adding non-dealer accessories or certified parts, including control chemicals. making modifications to the vehicle module or software modifications, is See Battery - North America 0 250 can affect vehicle performance and not covered under the terms of the and Jump Starting - North America safety, including such things as vehicle warranty and may affect (On-board with eAssist Only) 0 297 airbags, braking, stability, ride and remaining warranty coverage for or Jump Starting - North America handling, emissions systems, affected parts. (with or without eAssist) 0 298. aerodynamics, durability, and GM Accessories are designed to electronic systems like antilock complement and function with other brakes, traction control, and stability systems on the vehicle. See your California Perchlorate control. These accessories or Materials Requirements dealer to accessorize the vehicle modifications could even cause using genuine GM Accessories Certain types of automotive malfunction or damage not covered installed by a dealer technician. applications, such as airbag by the vehicle warranty. Also, see Adding Equipment to the initiators, safety belt pretensioners, Damage to suspension components Airbag-Equipped Vehicle 0 76. and lithium batteries contained in caused by modifying vehicle height Remote Keyless Entry transmitters, outside of factory settings will not be may contain perchlorate materials. covered by the warranty. Special handling may be necessary. For additional information, see www.dtsc.ca.gov/hazardouswaste/ perchlorate. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Vehicle Care 229 Vehicle Checks All Vehicles This vehicle has an airbag system. Before attempting to do your own { Warning service work, see Airbag System Doing Your Own Check 0 76. Service Work It can be dangerous to work on Keep a record with all parts receipts your vehicle if you do not have eAssist Vehicles Only and list the mileage and the date of the proper knowledge, service any service work performed. See manual, tools, or parts. Always Maintenance Records 0 325. { Warning follow owner manual procedures Never try to do your own service and consult the service manual Caution on eAssist components. You can for your vehicle before doing any be injured and the vehicle can be service work. Even small amounts of damaged if you try to do your own contamination can cause damage service work. Service and repair If doing some of your own service to vehicle systems. Do not allow of these eAssist components work, use the proper service contaminants to contact the fluids, should only be performed by a manual. It tells you much more reservoir caps, or dipsticks. trained service technician with the about how to service the vehicle proper knowledge and tools. than this manual can. To order the proper service manual, see Service Publications Ordering Information 0 340. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Hood To close the hood: To open the hood: 1. Before closing the hood, be sure all the filler caps are on properly. 2. Lower the hood 30 cm (12 in) above the vehicle and release it so it fully latches. Check to make sure the hood is closed and repeat the process if necessary.

2. Go to the front of the vehicle and push the secondary hood release handle toward the driver side of the vehicle. 1. Pull the interior hood release handle located to the left of the 3. Lift the hood. steering column below the instrument panel. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Engine Compartment Overview

2.4L L4 Engine Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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1. Engine Air Cleaner/Filter 0 239. 7. Transmission Fluid Cap. See 10. Coolant Surge Tank and 2. Engine Cover. Automatic Transmission Pressure Cap. See Engine Fluid 0 239. Coolant 0 243. 3. Engine Cooling Fans (Out of 8. Brake Master Cylinder 11. Engine Compartment Fuse View). See Cooling 0 System 0 242. Reservoir. See Brake Block 259. Fluid 0 249. 4. Engine Oil Fill Cap. See 12. Windshield Washer Fluid Engine Oil 0 236. 9. Battery (Under Cover). See Reservoir. See Washer Battery - North America 0 250. Fluid 0 247. 5. Engine Oil Dipstick (Out of View). See Engine Oil 0 236. 6. High Voltage Cable (Orange Color). Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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3.6L V6 Engine AWD Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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1. Engine Air Cleaner/Filter 0 239. 5. Engine Cover. 9. Battery Cover. See Battery - 0 2. Power Steering Reservoir and 6. Transmission Fluid Cap and North America 250. Cap. See Power Steering Fluid Dipstick. See Automatic 10. Engine Compartment Fuse (2.4L L4 Engine and 3.6L Transmission Fluid 0 239. Block 0 259. 0 V6 Engine with FWD) 247 or 7. Brake Master Cylinder 11. Windshield Washer Fluid Power Steering Fluid (3.6L 0 Reservoir. See Brake Reservoir. See Washer V6 Engine with AWD) 247. Fluid 0 249. Fluid 0 247. 3. Engine Oil Fill Cap. See 0 8. Coolant Surge Tank and Engine Oil 236. Pressure Cap. See Engine 4. Engine Oil Dipstick. See Coolant 0 243. Engine Oil 0 236. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Vehicle Care 235

3.6L V6 Engine FWD Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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1. Engine Air Cleaner/Filter 0 239. Engine Oil must be on level ground. The engine oil dipstick handle is a loop. 2. Engine Oil Fill Cap. See To ensure proper engine Engine Oil 0 236. See Engine Compartment Overview performance and long life, careful 0 231 for the location of the engine 3. Engine Oil Dipstick. See attention must be paid to engine oil. oil dipstick. Engine Oil 0 236. Following these simple, but important steps will help protect Obtaining an accurate oil level 4. Engine Cover. your investment: reading is essential: 5. Transmission Fluid Cap and . Use engine oil approved to the 1. If the engine has been running Dipstick. See Automatic proper specification and of the recently, turn off the engine and Transmission Fluid 0 239. proper viscosity grade. See allow several minutes for the oil 6. Brake Master Cylinder “Selecting the Right Engine Oil” to drain back into the oil pan. Reservoir. See Brake in this section. Checking the oil level too soon Fluid 0 249. after engine shutoff will not . Check the engine oil level provide an accurate oil level 7. Coolant Surge Tank and regularly and maintain the reading. Pressure Cap. See Engine proper oil level. See “Checking Coolant 0 243. Engine Oil and When to Add ” “ { Warning 8. Battery Cover. See Battery - Engine Oil” in this section. North America 0 250. . Change the engine oil at the The engine oil dipstick handle appropriate time. See Engine Oil may be hot; it could burn you. 9. Engine Compartment Fuse 0 Block 0 259. Life System 238. Use a towel or glove to touch the dipstick handle. 10. Windshield Washer Fluid . Always dispose of engine oil Reservoir. See Washer properly. See “What to Do with Fluid 0 247. Used Oil” in this section. 2. Pull out the dipstick and wipe it Checking Engine Oil with a clean paper towel or cloth, then push it back in all It is a good idea to check the engine the way. Remove it again, oil level at each fuel fill. In order to keeping the tip down, and get an accurate reading, the vehicle check the level. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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When to Add Engine Oil Selecting the Right Engine Oil Caution Selecting the right engine oil Do not add too much oil. Oil depends on both the proper oil levels above or below the specification and viscosity grade. acceptable operating range See Recommended Fluids and shown on the dipstick are harmful Lubricants 0 323. to the engine. If you find that you Specification 2.4L L4 Engine have an oil level above the operating range, i.e., the engine Ask for and use engine oils that has so much oil that the oil level meet the dexos1™ specification. Engine oils that have been gets above the cross-hatched approved by GM as meeting the area that shows the proper dexos1 specification are marked operating range, the engine could with the dexos1 approved logo. See be damaged. You should drain www.gmdexos.com. out the excess oil or limit driving 3.6L V6 Engine of the vehicle and seek a service If the oil is below the cross-hatched professional to remove the area at the tip of the dipstick, add excess amount of oil. 1 L (1 qt) of the recommended oil and then recheck the level. See Selecting the Right Engine Oil in See Engine Compartment Overview “ ” 0 this section for an explanation of 231 for the location of the engine what kind of oil to use. For engine oil fill cap. Caution oil crankcase capacity, see Add enough oil to put the level 0 Capacities and Specifications 327. somewhere in the proper operating Failure to use the recommended range. Push the dipstick all the way engine oil or equivalent can result back in when through. in engine damage not covered by the vehicle warranty. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

238 Vehicle Care

Viscosity Grade What to Do with Used Oil include engine revolutions, engine temperature, and miles driven. Use SAE 5W-30 viscosity grade Used engine oil contains certain Based on driving conditions, the engine oil. elements that can be unhealthy for mileage at which an oil change is your skin and could even cause Cold Temperature Operation: In an indicated can vary considerably. For cancer. Do not let used oil stay on area of extreme cold, where the the oil life system to work properly, your skin for very long. Clean your temperature falls below −29 °C the system must be reset every time skin and nails with soap and water, (−20 °F), an SAE 0W-30 oil may be the oil is changed. used. An oil of this viscosity grade or a good hand cleaner. Wash or will provide easier cold starting for properly dispose of clothing or rags When the system has calculated the engine at extremely low containing used engine oil. See the that oil life has been diminished, it temperatures. When selecting an oil manufacturer's warnings about the indicates that an oil change is of the appropriate viscosity grade, it use and disposal of oil products. necessary. A CHANGE ENGINE OIL SOON message comes on. See is recommended to select an oil of Used oil can be a threat to the Engine Oil Messages 0 133. the correct specification. See environment. If you change your Change the oil as soon as possible “Specification” earlier in this section. 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 Engine Oil Additives/Engine dispose of oil by putting it in the the best conditions, the oil life Oil Flushes trash or pouring it on the ground, system might indicate that an oil into sewers, or into streams or Do not add anything to the oil. The change is not necessary for up to a bodies of water. Recycle it by taking recommended oils meeting the year. The engine oil and filter must it to a place that collects used oil. dexos1 specification are all that is be changed at least once a year needed for good performance and and at this time the system must be engine protection. Engine Oil Life System reset. Your dealer has trained Engine oil system flushes are not When to Change Engine Oil service people who will perform this recommended and could cause work and reset the system. It is also engine damage not covered by the This vehicle has a computer system important to check the oil regularly vehicle warranty. that indicates when to change the over the course of an oil drain engine oil and filter. This is based interval and keep it at the proper on a combination of factors which level. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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If the system is ever reset Be careful not to reset the oil There is a special procedure for accidentally, the oil must be life display accidentally at any checking and changing the changed at 5 000 km (3,000 mi) time other than after the oil is transmission fluid. Because this since the last oil change. changed. It cannot be reset procedure is difficult, you should Remember to reset the oil life accurately until the next oil have this done at your dealer system whenever the oil is changed. change. service department. Contact your The system is reset when the dealer for additional information or How to Reset the Engine Oil the procedure can be found in the Life System CHANGE ENGINE OIL SOON message is off. service manual. To purchase a Reset the system whenever the service manual, see Service engine oil is changed so that the If the CHANGE ENGINE OIL SOON Publications Ordering system can calculate the next message comes back on when the Information 0 340. vehicle is started, the engine oil life engine oil change. To reset the Change the fluid at the intervals system: system has not been reset. Repeat the procedure. listed in Maintenance Schedule 1. Using the DIC controls on the 0 314, and be sure to use the fluid right side of the steering wheel, Automatic Transmission listed in Recommended Fluids and display REMAINING OIL LIFE Lubricants 0 323. on the DIC. See Driver Fluid 0 Information Center (DIC) 123. How to Check Automatic Engine Air Cleaner/Filter When remaining oil life is low, Transmission Fluid The engine air cleaner/filter is in the the CHANGE ENGINE OIL engine compartment on the It is not necessary to check the SOON message will appear on passenger side of the vehicle. See transmission fluid level. the display. See Engine Oil Engine Compartment 0 A transmission fluid leak is the only Messages 133. Overview 0 231. V reason for fluid loss. If a leak 2. Press on the DIC controls occurs, take the vehicle to your and hold down for a few dealer service department and have seconds to clear the CHANGE it repaired as soon as possible. ENGINE OIL SOON message and reset the oil life at 100%. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

240 Vehicle Care

When to Inspect the Engine Air 4. Remove the screws (1) on top Cleaner/Filter of the engine air cleaner/filter housing. For intervals on changing and inspecting the engine air cleaner/ 5. Lift the filter cover housing filter, see Maintenance away from the engine air Schedule 0 314. cleaner/filter housing. How to Inspect the Engine Air 6. Pull out the filter. Cleaner/Filter 7. Inspect or replace the engine air cleaner/filter. Do not start the engine or have the engine running with the engine air 8. Reverse Steps 2–4 to reinstall cleaner/filter housing open. Before the filter cover housing. 2.4L L4 Engine removing the engine air cleaner/ filter, make sure that the engine air 1. Screws cleaner/filter housing and nearby 2. Air Duct Clamp components are free of dirt and debris. Remove the engine air 3. Electrical Connector cleaner/filter. Lightly tap and shake To inspect or replace the engine air the engine air cleaner/filter (away cleaner/filter: from the vehicle), to release loose 1. Open the hood. See dust and dirt. Inspect the engine air Hood 0 230. cleaner/filter for damage, and replace if damaged. Do not clean 2. Disconnect the outlet duct by the engine air cleaner/filter or loosening the air duct components with water or clamp (2). 3.6L V6 Engine AWD compressed air. 3. Disconnect the electrical connector (3). 1. Electrical Connector 2. Air Duct Clamp 3. Screws Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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To inspect or replace the engine air 4. Remove the screws (3) on top cleaner/filter: of the engine air cleaner/filter 1. Open the hood. See housing. Hood 0 230. 5. Disconnect the secondary air 2. Disconnect the outlet duct by hose (4). loosening the air duct 6. Lift the filter cover housing clamp (2). away from the engine air 3. Disconnect the electrical cleaner/filter housing. connector (1). 7. Pull out the filter. 4. Remove the screws (3) on top 8. Inspect or replace the engine of the engine air cleaner/filter air cleaner/filter. housing. 3.6L V6 Engine FWD 9. Reverse Steps 2–5 to reinstall 5. Lift the filter cover housing 1. Electrical Connector the filter cover housing. away from the engine air 2. Air Duct Clamp cleaner/filter housing. 3. Screws { Warning 6. Pull out the filter. 4. Secondary Air Hose Operating the engine with the air 7. Inspect or replace the engine To inspect or replace the engine air cleaner/filter off can cause you or air cleaner/filter. cleaner/filter: others to be burned. The air 8. Reverse Steps 2–4 to reinstall 1. Open the hood. See cleaner not only cleans the air; it the filter cover housing. Hood 0 230. helps to stop flames if the engine 2. Disconnect the outlet duct by backfires. Use caution when loosening the air duct working on the engine and do not clamp (2). drive with the air cleaner/filter off. 3. Disconnect the electrical connector (1). Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

242 Vehicle Care

2. Coolant Surge Tank and Caution Pressure Cap If the air cleaner/filter is off, dirt can easily get into the engine, which could damage it. Always have the air cleaner/filter in place when you are driving.

Cooling System The cooling system allows the engine to maintain the correct 3.6L V6 Engine FWD working temperature. 1. Engine Cooling Fans (Out 3.6L V6 Engine AWD of View) 1. Engine Cooling Fans (Out 2. Coolant Surge Tank and of View) Pressure Cap 2. Coolant Surge Tank and Pressure Cap { Warning An electric engine cooling fan under the hood can start up even when the engine is not running and can cause injury. Keep hands, clothing, and tools away 2.4L L4 Engine from any underhood electric fan.

1. Engine Cooling Fans (Out of View) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Vehicle Care 243

Engine Coolant { Warning Warning (Continued) The cooling system in the vehicle is Heater and radiator hoses, and filled with DEX-COOL® engine could catch fire and you or others other engine parts, can be very coolant mixture. See Recommended could be burned. Use a hot. Do not touch them. If you do, Fluids and Lubricants 0 323 and 50/50 mixture of clean, drinkable you can be burned. Maintenance Schedule 0 314. water and DEX-COOL coolant. Do not run the engine if there is a The following explains the cooling leak. If you run the engine, it system and how to check and add Use a 50/50 mixture of clean, could lose all coolant. That could coolant when it is low. If there is a drinkable water and DEX-COOL cause an engine fire, and you problem with engine overheating, coolant. If using this mixture, 0 could be burned. Get any leak see Engine Overheating 245. nothing else needs to be added. fixed before you drive the vehicle. What to Use This mixture: . Gives freezing protection down { Warning to −37 °C (−34 °F), outside Caution temperature. Adding only plain water or some Using coolant other than other liquid to the cooling system . Gives boiling protection up to DEX-COOL® can cause 129 °C (265 °F), engine can be dangerous. Plain water premature engine, heater core, temperature. and other liquids, can boil before or radiator corrosion. In addition, the proper coolant mixture will. . Protects against rust and the engine coolant could require The coolant warning system is set corrosion. changing sooner. Any repairs for the proper coolant mixture. would not be covered by the . Will not damage aluminum parts. With plain water or the wrong vehicle warranty. Always use . Helps keep the proper engine mixture, the engine could get too DEX-COOL (silicate-free) coolant temperature. hot but you would not get the in the vehicle. overheat warning. The engine (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

244 Vehicle Care

Checking Coolant Caution Warning (Continued) The vehicle must be on a level If improper coolant mixture, surface when checking the coolant and it will burn if the engine parts inhibitors, or additives are used in level. are hot enough. Do not spill the vehicle cooling system, the Check to see if coolant is visible in coolant on a hot engine. engine could overheat and be the coolant surge tank. If the coolant damaged. Too much water in the inside the coolant surge tank is mixture can freeze and crack boiling, do not do anything else until Caution engine cooling parts. The repairs it cools down. would not be covered by the This vehicle has a specific If coolant is visible but the coolant coolant fill procedure. Failure to vehicle warranty. Use only the level is not at or above the mark follow this procedure could cause proper mixture of engine coolant pointed to, add a 50/50 mixture of the engine to overheat and be for the cooling system. See clean, drinkable water and Recommended Fluids and DEX-COOL coolant. severely damaged. Lubricants 0 323. Be sure the cooling system is cool before this is done. { Warning Never dispose of engine coolant by If no coolant is visible in the coolant putting it in the trash, pouring it on surge tank, add coolant as follows: Steam and scalding liquids from a the ground, or into sewers, streams, hot cooling system can blow out or bodies of water. Have the coolant How to Add Coolant to the and burn you badly. Never turn changed by an authorized service Coolant Surge Tank the cap when the cooling system, center, familiar with legal including the surge tank pressure requirements regarding used cap, is hot. Wait for the cooling coolant disposal. This will help { Warning system and surge tank pressure protect the environment and your You can be burned if you spill health. cap to cool. coolant on hot engine parts. Coolant contains ethylene glycol (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Vehicle Care 245

5. Replace the cap tightly.

Caution

If the pressure cap is not tightly installed, coolant loss and The coolant surge tank pressure possible engine damage may cap can be removed when the occur. Be sure the cap is properly cooling system, including the surge and tightly secured. tank pressure cap and upper radiator hose, is no longer hot. Engine Overheating 1. Turn the pressure cap slowly counterclockwise. If a hiss is 3. Fill the coolant surge tank with There is a coolant temperature heard, wait for that to stop. the proper mixture to the mark gauge and a engine coolant A hiss means there is still pointed to on the front of the temperature warning light on the some pressure left. coolant surge tank. instrument cluster that indicate an overheated engine condition. See 4. With the coolant surge tank 2. Keep turning the cap and Engine Coolant Temperature Gauge cap off, start the engine and let remove it. 0 111 and Engine Coolant it run until the upper radiator Temperature Warning Light 0 118. hose starts getting hot. Watch out for the engine cooling fans. If the decision is made not to lift the By this time, the coolant level hood when this warning appears, inside the coolant surge tank get service help right away. See may be lower. If the level is Roadside Assistance lower, add more of the proper Program 0 334. mixture to the coolant surge If the decision is made to lift the tank until the level reaches the hood, make sure the vehicle is mark pointed to on the front of parked on a level surface. the coolant surge tank. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

246 Vehicle Care

Then check to see if the engine . Climbs a long hill on a hot day. If the warning continues, pull over, cooling fans are running. If the . Stops after high-speed driving. stop, and park the vehicle engine is overheating, the fans right away. . Idles for long periods in traffic. should be running. If not, do not If there is no sign of steam, idle the continue to run the engine and have . Tows a trailer. engine for three minutes while the vehicle serviced. If the overheat warning displays with parked. If the warning is still no sign of steam: displayed, turn off the engine until it Caution cools down. Also, see Overheated 1. Turn the air conditioning off. Engine Protection Operating Running the engine without 2. Turn the heater on to the Mode 0 246. coolant may cause damage or a highest temperature and to the fire. Vehicle damage would not be highest fan speed. Open the Overheated Engine covered by the vehicle warranty. windows as necessary. Protection 3. When it is safe to do so, pull off Operating Mode If Steam Is Coming from the the road, shift to P (Park) or Engine Compartment N (Neutral), and let the This emergency operating mode engine idle. allows the vehicle to be driven to a See Overheated Engine Protection safe place in an emergency 0 Operating Mode 246 for If the temperature overheat gauge is situation. If an overheated engine information on driving to a safe no longer in the overheat zone or an condition exists, an overheat place in an emergency. engine coolant temperature warning protection mode which alternates light no longer displays, the vehicle firing groups of cylinders helps If No Steam Is Coming from can be driven. Continue to drive the the Engine Compartment prevent engine damage. In this vehicle slowly for about 10 minutes. mode, there is significant loss in If an engine overheat warning is Keep a safe vehicle distance from power and engine performance. displayed but no steam can be seen the vehicle in front. If the warning or heard, the problem might not be does not come back on, continue to The engine coolant temperature too serious. Sometimes the engine drive normally and have the cooling warning light comes on the can get a little too hot when the system checked for proper fill and instrument panel, to indicate the vehicle: function. vehicle has entered overheated Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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engine protection operating mode. When to Check Power Steering The temperature gauge also Fluid indicates an overheat condition exists. Driving extended distances It is not necessary to regularly and/or towing a trailer in the check power steering fluid unless a overheat protection mode should be leak is suspected in the system or avoided. an unusual noise is heard. A fluid loss in this system could indicate a problem. Have the system inspected Power Steering Fluid and repaired. (2.4L L4 Engine and 3.6L V6 Engine with FWD) How to Check Power Steering Fluid The vehicle has electric power Check the level when the engine The fluid level should be between steering and does not use power is cool. MIN and MAX on the dipstick. steering fluid. To check the power steering fluid: What to Use Power Steering Fluid 1. Wipe the cap and the top of the To determine what kind of fluid to (3.6L V6 Engine reservoir clean. use, see Recommended Fluids and 0 with AWD) 2. Unscrew the cap and pull it Lubricants 323. Always use the straight up. proper fluid. 3. Wipe the dipstick with a Washer Fluid clean rag. 4. Replace the cap and What to Use completely tighten it. When windshield washer fluid is 5. Remove the cap again and needed, be sure to read the manufacturer's instructions before See Engine Compartment Overview look at the fluid level on the use. If operating the vehicle in an 0 231 for information on the location dipstick. area where the temperature may fall of the power steering fluid reservoir. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

248 Vehicle Care

below freezing, use a fluid that has Brakes sufficient protection against Caution (Continued) freezing. pads have built-in wear . Do not use engine coolant indicators that make a high-pitched Adding Washer Fluid (antifreeze) in the warning sound when the brake pads windshield washer. It can are worn and new pads are needed. damage the windshield The sound can come and go or can washer system and paint. be heard all the time when the . Do not mix water with vehicle is moving, except when ready-to-use washer fluid. applying the brake pedal firmly. Water can cause the solution to freeze and { Warning Open the cap with the washer damage the washer fluid symbol on it. Add washer fluid until tank and other parts of the The brake wear warning sound the tank is full. See Engine washer system. means that soon the brakes will 0 not work well. That could lead to Compartment Overview 231 for . When using concentrated reservoir location. washer fluid, follow the a crash. When the brake wear manufacturer instructions for warning sound is heard, have the Caution adding water. vehicle serviced. . Do not use washer fluid that . Fill the washer fluid tank contains any type of water only three-quarters full when Caution repellent coating. This can it is very cold. This allows cause the wiper blades to for fluid expansion if Continuing to drive with worn-out chatter or skip. freezing occurs, which could brake pads could result in costly damage the tank if it is (Continued) brake repair. completely full. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Vehicle Care 249

Some driving conditions or climates performance expected can change There are only two reasons why the can cause a brake squeal when the in many other ways if the wrong brake fluid level in the reservoir may brakes are first applied or lightly replacement brake parts are go down: applied. This does not mean installed or if parts are improperly . Normal brake lining wear. When something is wrong with the brakes. installed. new linings are installed, the Properly torqued wheel nuts are fluid level goes back up. Brake Fluid 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 Specifications 0 327. Always clean the brake fluid reservoir cap and the area around Brake pads should be replaced as the cap before removing it. complete sets. The brake master cylinder reservoir is filled with GM approved DOT 3 Do not top off the brake fluid. Brake Pedal Travel brake fluid as indicated on the Adding fluid does not correct a leak. reservoir cap. See Engine If fluid is added when the linings are See your dealer if the brake pedal 0 does not return to normal height, Compartment Overview 231 for worn, there will be too much fluid or if there is a rapid increase in the location of the reservoir. when new brake linings are pedal travel. This could be a sign Checking Brake Fluid installed. Add or remove fluid, as that brake service may be required. necessary, only when work is done With the vehicle in P (Park) on a on the brake hydraulic system. Replacing Brake System Parts level surface, the brake fluid level should be between the minimum Always replace brake system parts and maximum marks on the brake with new, approved replacement fluid reservoir. parts. If this is not done, the brakes may not work properly. The braking Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

250 Vehicle Care

eAssist vehicles also have a high { Warning { Warning voltage battery. Only a trained service technician with the proper If too much brake fluid is added, it The wrong or contaminated brake knowledge and tools should inspect, can spill on the engine and burn, fluid could result in damage to the test, or replace the high voltage if the engine is hot enough. You brake system. This could result in battery. See your dealer if the high or others could be burned, and the loss of braking leading to a voltage battery needs service. The the vehicle could be damaged. possible injury. Always use the dealer has information on how to Add brake fluid only when work is proper GM approved brake fluid. recycle the high voltage battery. done on the brake hydraulic There is also information available system. at http://www.recyclemybattery.com. Caution

When the brake fluid falls to a low If brake fluid is spilled on the level, the brake warning light comes vehicle's painted surfaces, the on. See Brake System Warning paint finish can be damaged. Light 0 115. Immediately wash off any painted Brake fluid absorbs water over time surface. which degrades the effectiveness of the brake fluid. Replace brake fluid at the specified intervals to prevent Battery - North America increased stopping distance. See 0 The original equipment battery is Maintenance Schedule 314. maintenance free. Do not remove What to Add the cap and do not add fluid. Use only GM approved DOT 3 This vehicle has a standard 12-volt The eAssist system high voltage brake fluid from a clean, sealed battery. Refer to the replacement battery is cooled with air drawn from container. See Recommended number on the original battery label the vehicle interior. The cold air Fluids and Lubricants 0 323. when a new standard 12-volt battery intake for the battery is behind the is needed. rear seat, on the filler panel. Do not cover the intake. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Vehicle Storage All-Wheel Drive { Warning Transfer Case WARNING: Battery posts, { Warning terminals, and related Under normal driving conditions, Batteries have acid that can burn accessories contain lead and lead transfer case fluid does not require you and gas that can explode. compounds, chemicals known to maintenance unless there is a fluid You can be badly hurt if you are the State of California to cause leak or unusual noise. If required, not careful. See Jump Starting - have the transfer case serviced by cancer and birth defects or other North America (On-board with your dealer. reproductive harm. Batteries also eAssist Only) 0 297 or Jump contain other chemicals known to Starting - North America (with or the State of California to cause Starter Switch Check without eAssist) 0 298 for tips on cancer. WASH HANDS AFTER working around a battery without HANDLING. See California { Warning getting hurt. Proposition 65 Warning 0 227. When you are doing this Infrequent Usage: Remove the inspection, the vehicle could 12-volt battery black, negative (−) move suddenly. If the vehicle cable from the battery to keep the moves, you or others could be battery from running down. injured. Extended Storage: Remove the 12-volt battery black, negative (−) 1. Before starting this check, be cable from the battery or use a sure there is enough room battery trickle charger. around the vehicle. Remember to reconnect the battery 2. Apply both the parking brake when ready to drive the vehicle. and the regular brake. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Do not use the accelerator 2. Apply the parking brake. Be Park Brake and P (Park) pedal, and be ready to turn off ready to apply the regular the engine immediately if it brake immediately if the vehicle Mechanism Check starts. begins to move. { Warning 3. Try to start the engine in each 3. With the engine off, turn the gear. The vehicle should start ignition on, but do not start the When you are doing this check, only in P (Park) or N (Neutral). engine. Without applying the the vehicle could begin to move. If the vehicle starts in any other regular brake, try to move the You or others could be injured position, contact your dealer for shift lever out of P (Park) with and property could be damaged. service. normal effort. If the shift lever Make sure there is room in front moves out of P (Park), contact of the vehicle in case it begins to your dealer for service. Automatic Transmission roll. Be ready to apply the regular Shift Lock Control Ignition Transmission brake at once should the vehicle Function Check begin to move. Lock Check { Warning If equipped with a key type ignition, Park on a fairly steep hill, with the while parked and with the parking vehicle facing downhill. Keeping When you are doing this brake set, try to turn the ignition to your foot on the regular brake, set inspection, the vehicle could LOCK/OFF in each shift lever the parking brake. move suddenly. If the vehicle position. . To check the parking brake's moves, you or others could be . The ignition should turn to holding ability: With the engine injured. LOCK/OFF only when the shift running and the transmission in lever is in P (Park). N (Neutral), slowly remove foot 1. Before starting this check, be . The ignition key should come pressure from the regular brake sure there is enough room out only in LOCK/OFF. pedal. Do this until the vehicle is around the vehicle. It should be held by the parking brake only. parked on a level surface. Contact your dealer if service is required. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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. To check the P (Park) warranty. Do not allow the mechanism's holding ability: wiper blade to touch the With the engine running, shift to windshield. P (Park). Then release the 5. Reverse Steps 1–3 for wiper parking brake followed by the blade replacement. regular brake. Contact your dealer if service is Windshield Replacement required. HUD System Wiper Blade Replacement The windshield is part of the HUD Windshield wiper blades should be system. If the windshield must be inspected for wear and cracking. replaced, get one that is designed 2. Lift up on the latch in the See Maintenance Schedule 0 314 for HUD or the HUD image may middle of the wiper blade for more information. look out of focus. where the wiper arm attaches. Replacement blades come in Driver Assistance Systems 3. With the latch open, pull the different types and are removed in wiper blade down toward the When a windshield replacement is different ways. For proper type and windshield far enough to needed and the vehicle is equipped length, see Maintenance release it from the J-hooked with a front-looking camera sensor Replacement Parts 0 324. end of the wiper arm. for the Driver Assistance Systems, To replace the windshield wiper the windshield must be installed 4. Remove the wiper blade. blade: according to GM specifications for Allowing the wiper blade arm to these systems to work properly. If it 1. Pull the windshield wiper touch the windshield when no is not, there may be unexpected assembly away from the wiper blade is installed could behavior and/or messages from windshield. damage the windshield. Any these systems. See Object damage that occurs would not Detection System Messages 0 134. be covered by the vehicle Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

254 Vehicle Care Headlamp Aiming Bulb Replacement High Intensity Discharge Headlamp aim has been preset and For the proper type of replacement (HID) Lighting should need no further adjustment. bulbs, see Replacement 0 If the vehicle is damaged in a crash, Bulbs 257. { Warning the headlamp aim may be affected. For any bulb changing procedure The high intensity discharge If adjustment to the headlamps is not listed in this section, see your lighting system operates at a very necessary, see your dealer. dealer. high voltage. If you try to service any of the system components, Halogen Bulbs you could be seriously injured. Have your dealer or a qualified { Warning technician service them. Halogen bulbs have pressurized gas inside and can burst if you After an HID headlamp bulb has drop or scratch the bulb. You or been replaced, the beam might be a others could be injured. Be sure slightly different shade than it was to read and follow the instructions originally. This is normal. on the bulb package. LED Lighting This vehicle has several LED lamps. For replacement of any LED lighting assembly, contact your dealer. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Headlamps, Front Turn To replace one of these bulbs: turn signal lamp on the headlamp 1. Open the hood. See assembly. See High Intensity Signal and Parking Discharge (HID) Lighting 0 254. Lamps Hood 0 230. 2. If replacing a headlamp bulb, Base Headlamp Assembly remove the dust cover from the The base model vehicle has a back of the headlamp housing halogen high/low-beam headlamp, by turning counterclockwise parking lamp, and a turn signal lamp one-quarter turn. on the headlamp assembly. 3. If replacing a turn signal lamp For replacement of the turn signal bulb on a non-eAssist vehicle, lamp bulb on an eAssist vehicle, remove the close out panel contact your dealer. push pins and close out panel covering the bulb socket. 4. Remove the bulb socket from the headlamp by turning counterclockwise To replace the turn signal bulb: one-quarter turn. 1. Open the hood. See 5. Remove the bulb from the Hood 0 230. socket. If replacing the high/ 2. Turn the bulb socket low-beam bulb, pry the two counterclockwise to remove it clips on either end of the bulb from the headlamp assembly. and pull straight out. 3. Pull the bulb straight out from 6. Reverse Steps 1–5 to install. the socket. Uplevel Headlamp Assembly 4. Reverse Steps 1–3 to install. 1. Headlamp The uplevel model vehicle has a 2. Turn Signal Lamp high intensity discharge (HID) high/ low beam, DRL/parking lamp, and a Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

256 Vehicle Care

Taillamps, Turn Signal, 4. Pull out the taillamp assembly and disconnect the wiring Stoplamps, and Back-Up harness. Lamps 5. Turn the bulb socket counterclockwise to remove it. 6. Pull the old bulb straight out of the bulb socket. 7. Reverse Steps 1–6 to install. License Plate Lamp The license plate lamps for this vehicle are on the trunk lid. 2. Push the end on either of the lamp assemblies (passenger To replace one of these bulbs: side shown) and then move the 1. Open the trunk. See lamp assembly down to Trunk 0 38. remove it from the trunk lid. 1. Back-Up Lamp 2. Turn Signal Lamp To replace one of these lamps: 1. Open the trunk. See Trunk 0 38. 2. Remove the fasteners and pull back the trunk trim. 3. Remove the four plastic wing nuts holding the taillamp assembly in place. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Vehicle Care 257 Replacement Bulbs Electrical System Bulb Exterior Lamp Number High Voltage Devices and Back-Up Lamp 921LL Wiring (W16W) Front Turn 7444NA { Warning Signal Lamp Exposure to high voltage can Headlamp High HIR2 cause shock, burns, and even Beam (Base) death. The high voltage Headlamp Low HIR2 components in the vehicle can 3. Turn the bulb socket (1) Beam (Base) only be serviced by technicians counterclockwise to remove it with special training. from the lamp assembly (3). License Plate Lamp W5WLL High voltage components are 4. Pull the bulb (2) straight out of Rear Turn Signal 7443NA identified by labels. Do not the bulb socket. (WY21W) remove, open, take apart, or modify these components. 5. Push the replacement bulb For replacement bulbs not listed High voltage cable or wiring has straight into the bulb socket here, contact your dealer. and turn the bulb socket orange covering or labels. Do not clockwise to install it into the probe, tamper with, cut, or modify lamp assembly. high voltage cable or wiring. 6. Move the lamp assembly into the trunk lid, engaging the clip Electrical System side first. Overload 7. Push on the lamp side opposite the clip until the lamp assembly The vehicle has fuses and circuit snaps into place. breakers to protect against an electrical system overload. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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When the current electrical load is Windshield Wipers To check a fuse, look at the too heavy, the circuit breaker opens silver-colored band inside the fuse. If the wiper motor overheats due to and closes, protecting the circuit If the band is broken or melted, heavy snow or ice, the windshield until the current load returns to replace the fuse. Be sure to replace wipers will stop until the motor cools normal or the problem is fixed. This a bad fuse with a new one of the and will then restart. greatly reduces the chance of circuit identical size and rating. Although the circuit is protected overload and fire caused by Fuses of the same amperage can from electrical overload, overload electrical problems. be temporarily borrowed from due to heavy snow or ice may Fuses and circuit breakers protect another fuse location, if a fuse goes cause wiper linkage damage. power devices in the vehicle. out. Replace the fuse as soon as Always clear ice and heavy snow possible. Replace a bad fuse with a new one from the windshield before using the of the identical size and rating. windshield wipers. To identify and check fuses, circuit breakers, and relays, see Engine If there is a problem on the road and If the overload is caused by an Compartment Fuse Block 0 259 and a fuse needs to be replaced, the electrical problem and not snow or Instrument Panel Fuse Block 0 262. same amperage fuse can be ice, be sure to get it fixed. borrowed. Choose some feature of the vehicle that is not needed to use Fuses and Circuit and replace it as soon as possible. Breakers Headlamp Wiring The wiring circuits in the vehicle are An electrical overload may cause protected from short circuits by a the lamps to go on and off, or in combination of fuses and circuit some cases to remain off. Have the breakers. This greatly reduces the headlamp wiring checked right away chance of damage caused by if the lamps go on and off or electrical problems. remain off. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Engine Compartment Fuse Block

To remove the fuse block cover, squeeze the three retaining clips on the cover and lift it straight up. The vehicle may not be equipped Fuses Usage with all of the fuses, relays, and Caution features shown. 5 Engine control module/Run/Crank Fuses Usage Spilling liquid on any electrical 6 Wiper component on the vehicle may 1 Transmission control damage it. Always keep the module–battery 7 Long range radar/ Front camera covers on any electrical 2 Engine control component. module battery 8 Ignition coils–even (6–cylinder engine)/ 3 A/C clutch Ignition coils–all (4–cylinder engine) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Fuses Usage Fuses Usage Fuses Usage 9 Ignition coils–odd 15 Motor generator unit 26 Antilock brake (6–cylinder engine) coolant pump system pump 10 Engine control (eAssist) 27 Electric parking module–switched 16 Run/Crank for brake battery eAssist power 28 Rear window inverter module 11 6–cylinder Engine: defogger post catalytic 17 – 29 Heated seat/Left converter/O2 sensor/ 18 Sunshade module/ power lumbar Heater/Mass air flow Vehicle air sensor/FlexFuel 30 Heated Seat/Right purification system/ power pack cooling sensor/Secondary Ventilated seats air induction fan (eAssist) solenoid 20 Heated steering 31 AWD/Electronic wheel (non eAssist) 12 Starter suspension control 21 Rear power windows 13 Crank for 32 Body control transmission control 22 Sunroof module 6 module/Fuel pump 23 Variable effort 33 Memory seat–front power/Chassis steering (if control module 34 Antilock brake equipped) or eAssist system valves (eAssist) power inverter 14 Cabin heater coolant module 35 Amplifier pump (eAssist)/ 24 Front power 36 Adaptive forward secondary air windows lighting (AFL) injector/Secondary motors–battery air injector with 25 Rear heated seats pressure sensor 37 Right high-beam Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/6/15

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Fuses Usage Fuses Usage Fuses Usage 38 Left high-beam 52 Cluster Run/Crank 67 Fuel pump power 41 Brake vacuum pump 53 Run/Crank for: module/Chassis control module 42 Cooling fan K2 rearview mirror/Rear vision camera/Air 69 Regulated voltage 43 – quality sensor/Aero control sensor 44 Transmission shutter motor 70 Parking assist/Side auxiliary oil pump 54 Run/Crank for: blind zone (eAssist) HVAC/Headlamp 71 Passive entry/ 45 Cooling fan K1 switch Passive start 46 Cooling fan relay 55 Outside rearview mirror/Universal Relays Usage 47 6–cylinder engine: remote system/Front Pre-catalytic window switches 1 A/C Clutch converter O2 sensor 2 Starter heater/Canister 56 Windshield washer purge solenoid. 59 AIR pump 4 Wiper speed 4–cylinder engine: 5 Wiper control Pre and post 60 Heated mirror catalytic converter 62 Canister vent 6 Cabin heater coolant O2 sensor Heaters/ pump (eAssist)/ 64 Adaptive forward Secondary air Canister purge lighting (AFL) solenoid injector/Secondary module–battery air injector with 48 Fog lamps 65 – pressure sensor 49 Right HID headlamp 66 AIR solenoid 7 Engine control 50 Left HID headlamp (eAssist) module 51 Horn 9 Cooling fan Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Relays Usage Instrument Panel Fuse 10 Cooling fan Block 11 Transmission auxiliary oil pump (eAssist) 13 Cooling fan 14 Headlamp low-beam 15 Run/Crank 16 AIR pump 17 Rear window Pull the door toward you to release defogger it from the hinge.

The instrument panel fuse block is located in the instrument panel, on the driver side of the vehicle. To access the fuses, open the fuse panel door by pulling down at the top. Press in on the sides of the door to release it from the instrument panel. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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The vehicle may not be equipped Fuses Usage Fuses Usage with all of the fuses, relays, and features shown. 10 Body control 20 Rear seat module 8 entertainment Fuses Usage 11 Front HVAC/Blower display/Rear seat 1 APO 3 audio 12 Passenger seat 2 Body control 21 Instrument cluster module 7 13 Driver seat 22 Discrete logic 3 Steering wheel 14 Diagnostic link ignition switch controls backlight connector 23 Body control 4 Radio/Human 15 Airbag/Automatic module 3 machine interface/ occupant sensing 24 Body control Rear auxiliary audio 16 Trunk module 2 jack/Front auxiliary audio video jack/ 17 HVAC Controller 25 Rear HVAC/Blower Touchpad/Remote 18 Pre-fuse for 26 AC DC inverter media player/Bluray fuses 4 and 5 remote media player 19 Center stack Relays Usage 5 OnStar/Universal displays/Head-up R1 Trunk relay hands–free phone display/Right 6 Power outlet 1 steering wheel R2 – control switch/Rear R3 Power outlet relay 7 Power outlet 2 seat infotainment 8 Body control display (eAssist)/ module 1 HVAC/Center stack displays 9 Body control module 4 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

264 Vehicle Care

Wheels and Tires Warning (Continued) Warning (Continued) Tires . Underinflated tires pose . Replace any tires that Every new GM vehicle has the same danger as have been damaged by high-quality tires made by a overloaded tires. The impacts with potholes, leading tire manufacturer. See resulting crash could curbs, etc. the warranty manual for cause serious injury. . Improperly repaired tires information regarding the tire Check all tires frequently can cause a crash. Only warranty and where to get to maintain the the dealer or an service. For additional recommended pressure. authorized tire service information refer to the tire Tire pressure should be center should repair, manufacturer. checked when the tires replace, dismount, and are cold. mount the tires. { Warning . Overinflated tires are . Do not spin the tires in more likely to be cut, . Poorly maintained and excess of 56 km/h punctured, or broken by (35 mph) on slippery improperly used tires are a sudden impact — such dangerous. surfaces such as snow, as when hitting a pothole. mud, ice, etc. Excessive . Overloading the tires can Keep tires at the spinning may cause the cause overheating as a recommended pressure. tires to explode. result of too much . Worn or old tires can flexing. There could be a cause a crash. If the See Tire Pressure for blowout and a serious tread is badly worn, High-Speed Operation 0 272 for crash. See Vehicle Load replace them. inflation pressure adjustment for Limits 0 171. (Continued) high-speed driving. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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All-Season Tires traction on snow and ice-covered tires with a lower speed rating are roads. Consider installing winter chosen, never exceed the tire's This vehicle may come with tires on the vehicle if frequent maximum speed capability. all-season tires. These tires are driving on ice or snow covered designed to provide good overall roads is expected. See your dealer Summer Tires performance on most road surfaces for details regarding winter tire and weather conditions. Original availability and proper tire selection. This vehicle may come with high equipment tires designed to GM's Also, see Buying New Tires 0 279. performance summer tires. These specific tire performance criteria tires have a special tread and have a TPC specification code With winter tires, there may be compound that are optimized for molded onto the sidewall. Original decreased dry road traction, maximum dry and wet road equipment all-season tires can be increased road noise, and shorter performance. This special tread and identified by the last two characters tread life. After changing to winter compound will have decreased of this TPC code, which will tires, be alert for changes in vehicle performance in cold climates, and be “MS.” handling and braking. on ice and snow. It is recommended that winter tires be installed on the Consider installing winter tires on If using winter tires: vehicle if frequent driving at the vehicle if frequent driving on . Use tires of the same brand and temperatures below approximately snow or ice-covered roads is tread type on all four wheel 5 °C (40 °F) or on ice or snow expected. All-season tires provide positions. covered roads is expected. See adequate performance for most Winter Tires 0 265. winter driving conditions, but they . Use only radial ply tires of the same size, load range, and may not offer the same level of speed rating as the original traction or performance as winter Caution tires on snow or ice-covered roads. equipment tires. See Winter Tires 0 265. Winter tires with the same speed High performance summer tires rating as the original equipment tires have rubber compounds that lose Winter Tires may not be available for H, V, W, Y, flexibility and may develop and ZR speed rated tires. If winter surface cracks in the tread This vehicle was not originally area at temperatures below −7 °C equipped with winter tires. Winter (Continued) tires are designed for increased Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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GM's TPC specifications meet or Caution (Continued) exceed all federal safety (20 °F). Always store high guidelines. performance summer tires (3) DOT (Department of indoors and at temperatures Transportation) : The above −7 °C (20 °F) when not in Department of Transportation use. If the tires have been (DOT) code indicates that the subjected to −7 °C (20 °F) or less, tire is in compliance with the let them warm up in a heated U.S. Department of space to at least 5 °C (40 °F) for Transportation Motor Vehicle 24 hours or more before being Safety Standards. installed or driving a vehicle on Passenger (P-Metric) Tire Example which they are installed. Do not DOT Tire Date of apply heat or blow heated air (1) Tire Size : The tire size is a Manufacture : The last four directly on the tires. Always combination of letters and digits of the TIN indicate the inspect tires before use. See Tire numbers used to define a tire manufactured date. The first Inspection 0 277. particular tire's width, height, two digits represent the week aspect ratio, construction type, (01–52) and the last two digits, and service description. See the Tire Sidewall Labeling the year. For example, the third “Tire Size” illustration later in this week of the year 2010 would Useful information about a tire is section. have a four-digit DOT date molded into its sidewall. The (2) TPC Spec (Tire of 0310. examples show a typical Performance Criteria (4) Tire Identification Number passenger vehicle tire and a Specification) : Original compact spare tire sidewall. (TIN) : The letters and numbers equipment tires designed to following the DOT (Department GM's specific tire performance of Transportation) code are the criteria have a TPC specification Tire Identification Number (TIN). code molded onto the sidewall. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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The TIN shows the (3) Tire Identification Number manufacturer and plant code, (TIN) : The letters and numbers tire size, and date the tire was following the DOT (Department manufactured. The TIN is of Transportation) code are the molded onto both sides of the Tire Identification Number (TIN). tire, although only one side may The TIN shows the have the date of manufacture. manufacturer and plant code, (5) Tire Ply Material : The type tire size, and date the tire was of cord and number of plies in manufactured. The TIN is the sidewall and under the tread. molded onto both sides of the tire, although only one side may (6) Uniform Tire Quality Compact Spare Tire Example have the date of manufacture. Grading (UTQG) : Tire manufacturers are required to (1) Tire Ply Material : The type (4) Maximum Cold Inflation grade tires based on three of cord and number of plies in Load Limit : Maximum load that performance factors: treadwear, the sidewall and under the tread. can be carried and the maximum pressure needed to traction, and temperature (2) Temporary Use Only : The support that load. resistance. For more information compact spare tire or temporary see Uniform Tire Quality use tire should not be driven at (5) Tire Inflation : The Grading 0 281. speeds over 80 km/h (50 mph). temporary use tire or compact (7) Maximum Cold Inflation The compact spare tire is for spare tire should be inflated to Load Limit : Maximum load that emergency use when a regular 420 kPa (60 psi). For more can be carried and the road tire has lost air and gone information on tire pressure and flat. If the vehicle has a compact inflation see Tire maximum pressure needed to 0 support that load. spare tire, see Compact Spare Pressure 271. Tire 0 296 and If a Tire Goes (6) Tire Size : A combination of Flat 0 284. letters and numbers define a tire's width, height, aspect ratio, Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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construction type, and service (4) Construction Code : A letter description. The letter T as the code is used to indicate the type first character in the tire size of ply construction in the tire. means the tire is for temporary The letter R means radial ply use only. construction; the letter D means (7) TPC Spec (Tire diagonal or bias ply (1) Passenger (P-Metric) Tire : construction; and the letter B Performance Criteria The United States version of a Specification) : Original means belted-bias ply metric tire sizing system. The construction. equipment tires designed to letter P as the first character in GM's specific tire performance the tire size means a passenger (5) Rim Diameter : Diameter of criteria have a TPC specification vehicle tire engineered to the wheel in inches. code molded onto the sidewall. standards set by the U.S. Tire (6) Service Description : These GM's TPC specifications meet or and Rim Association. characters represent the load exceed all federal safety index and speed rating of the guidelines. (2) Tire Width : The three-digit number indicates the tire section tire. The load index represents Tire Designations width in millimeters from the load carrying capacity a tire sidewall to sidewall. is certified to carry. The speed Tire Size rating is the maximum speed a (3) Aspect Ratio : A two-digit tire is certified to carry a load. The following is an example of a number that indicates the tire typical passenger vehicle height-to-width measurements. Tire Terminology and tire size. For example, if the tire size Definitions aspect ratio is 60, as shown in item 3 of the illustration, it would Air Pressure : The amount of mean that the tire's sidewall is air inside the tire pressing 60 percent as high as it is wide. outward on each square inch of Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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the tire. Air pressure is Cold Tire Pressure : The GVWR : Gross Vehicle Weight expressed in kPa (kilopascal) amount of air pressure in a tire, Rating. See Vehicle Load or psi (pounds per square inch). measured in kPa (kilopascal) Limits 0 171. Accessory Weight : The or psi (pounds per square inch) GAWR FRT : Gross Axle Weight combined weight of optional before a tire has built up heat Rating for the front axle. See accessories. Some examples of from driving. See Tire Vehicle Load Limits 0 171. Pressure 0 271. optional accessories are GAWR RR : Gross Axle Weight automatic transmission, power Curb Weight : The weight of a Rating for the rear axle. See windows, power seats, and air motor vehicle with standard and Vehicle Load Limits 0 171. conditioning. optional equipment including the maximum capacity of fuel, oil, Intended Outboard Sidewall : Aspect Ratio : The relationship The side of an asymmetrical tire of a tire's height to its width. and coolant, but without passengers and cargo. that must always face outward Belt : A rubber coated layer of when mounted on a vehicle. cords between the plies and the DOT Markings : A code molded into the sidewall of a tire Kilopascal (kPa) : The metric tread. Cords may be made from unit for air pressure. steel or other reinforcing signifying that the tire is in materials. compliance with the U.S. Light Truck (LT-Metric) Tire : A Department of Transportation tire used on light duty trucks and Bead : The tire bead contains (DOT) Motor Vehicle Safety some multipurpose passenger steel wires wrapped by steel Standards. The DOT code vehicles. cords that hold the tire onto includes the Tire Identification the rim. Number (TIN), an alphanumeric Load Index : An assigned number ranging from 1 to 279 Bias Ply Tire : A pneumatic tire designator which can also identify the tire manufacturer, that corresponds to the load in which the plies are laid at carrying capacity of a tire. alternate angles less than production plant, brand, and 90 degrees to the centerline of date of production. the tread. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Maximum Inflation Pressure : contains a whitewall, bears Sidewall : The portion of a tire The maximum air pressure to white lettering, or bears between the tread and the bead. which a cold tire can be inflated. manufacturer, brand, and/or Speed Rating : An The maximum air pressure is model name molding that is alphanumeric code assigned to molded onto the sidewall. higher or deeper than the same a tire indicating the maximum Maximum Load Rating : The moldings on the other sidewall speed at which a tire can load rating for a tire at the of the tire. operate. maximum permissible inflation Passenger (P-Metric) Tire : A Traction : The friction between pressure for that tire. tire used on passenger and the tire and the road surface. Maximum Loaded Vehicle some light duty trucks and The amount of grip provided. multipurpose vehicles. Weight : The sum of curb Tread : The portion of a tire that weight, accessory weight, Recommended Inflation comes into contact with vehicle capacity weight, and Pressure : Vehicle the road. production options weight. manufacturer's recommended tire inflation pressure as shown Treadwear Indicators : Narrow Normal Occupant Weight : The bands, sometimes called wear number of occupants a vehicle on the tire placard. See Tire Pressure 0 271 and Vehicle bars, that show across the tread is designed to seat multiplied by 0 of a tire when only 1.6 mm 68 kg (150 lb). See Vehicle Load Load Limits 171. 0 (1/16 in) of tread remains. See Limits 171. Radial Ply Tire : A pneumatic When It Is Time for New Occupant Distribution : tire in which the ply cords that Tires 0 278. Designated seating positions. extend to the beads are laid at 90 degrees to the centerline of UTQGS (Uniform Tire Quality Outward Facing Sidewall : The the tread. Grading Standards) : A tire side of an asymmetrical tire that information system that provides has a particular side that faces Rim : A metal support for a tire consumers with ratings for a outward when mounted on a and upon which the tire beads tire's traction, temperature, and vehicle. The side of the tire that are seated. treadwear. Ratings are Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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determined by tire Tire Pressure manufacturers using Caution (Continued) Tires need the correct amount of government testing procedures. . Poor handling. The ratings are molded into the air pressure to operate sidewall of the tire. See Uniform effectively. . Rough ride. Tire Quality Grading 0 281. . Needless damage from Caution Vehicle Capacity Weight : The road hazards. number of designated seating Neither tire underinflation nor positions multiplied by overinflation is good. The Tire and Loading 68 kg (150 lb) plus the rated Underinflated tires, or tires Information label on the vehicle cargo load. See Vehicle Load that do not have enough air, indicates the original equipment Limits 0 171. can result in: tires and the correct cold tire Vehicle Maximum Load on the . Tire overloading and inflation pressures. The Tire : Load on an individual tire overheating which could recommended pressure is the due to curb weight, accessory lead to a blowout. minimum air pressure needed to support the vehicle's maximum weight, occupant weight, and . Premature or cargo weight. load carrying capacity. See irregular wear. Vehicle Load Limits 0 171. : Vehicle Placard A label . Poor handling. permanently attached to a How the vehicle is loaded vehicle showing the vehicle . Reduced fuel economy. affects vehicle handling and ride comfort. Never load the vehicle capacity weight and the original Overinflated tires, or tires that with more weight than it was equipment tire size and have too much air, can designed to carry. recommended inflation pressure. result in: See “Tire and Loading . Unusual wear. Information Label” under Vehicle Load Limits 0 171. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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When to Check further adjustment is necessary. Warning (Continued) Check the tires once a month or If the inflation pressure is low, more. Do not forget the compact add air until the recommended Sustained high-speed driving spare, if the vehicle has one. pressure is reached. If the causes excessive heat buildup The cold compact spare tire inflation pressure is high, press and can cause sudden tire failure. pressure should be at 420 kPa on the metal stem in the center This could cause a crash, and (60 psi). See Compact Spare of the tire valve to release air. you or others could be killed. Tire 0 296. Recheck the tire pressure with Some high-speed rated tires the tire gauge. require inflation pressure How to Check adjustment for high-speed Put the valve caps back on the Use a good quality pocket-type operation. When speed limits and valve stems to keep out dirt and gauge to check tire pressure. road conditions allow the vehicle moisture and prevent leaks. Use Proper tire inflation cannot be to be driven at high speeds, make only valve caps designed for the sure the tires are rated for determined by looking at the tire. vehicle by GM. TPMS sensors high-speed operation, are in Check the tire inflation pressure could be damaged and would excellent condition, and are set to when the tires are cold, meaning not be covered by the vehicle the correct cold tire inflation the vehicle has not been driven warranty. pressure for the vehicle load. for at least three hours or no more than 1.6 km (1 mi). Tire Pressure for Vehicles with P245/45R19 size tires Remove the valve cap from the High-Speed Operation require inflation pressure adjustment tire valve stem. Press the tire when driving the vehicle at speeds gauge firmly onto the valve to { Warning of 160 km/h (100 mph) or higher. get a pressure measurement. Set the cold inflation pressure to If the cold tire inflation pressure Driving at high speeds, 160 km/h 248 kPa (36 psi). matches the recommended (100 mph) or higher, puts Vehicles with P245/40R20 size tires pressure on the Tire and additional strain on tires. require inflation pressure adjustment Loading Information label, no (Continued) when driving the vehicle at speeds Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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of 160 km/h (100 mph) or higher. tire inflation pressure label, you not reached the level to trigger Set the cold inflation pressure to should determine the proper tire illumination of the TPMS low tire 270 kPa (39 psi). inflation pressure for those tires.) pressure telltale. Return the tires to the As an added safety feature, your Your vehicle has also been recommended cold tire inflation vehicle has been equipped with a equipped with a TPMS malfunction pressure when high-speed driving tire pressure monitoring system indicator to indicate when the has ended. See Vehicle Load Limits (TPMS) that illuminates a low tire system is not operating properly. 0 171 and Tire Pressure 0 271. pressure telltale when one or more The TPMS malfunction indicator is of your tires is significantly combined with the low tire pressure Tire Pressure Monitor under-inflated. telltale. When the system detects a System Accordingly, when the low tire malfunction, the telltale will flash for pressure telltale illuminates, you approximately one minute and then The Tire Pressure Monitor System should stop and check your tires as remain continuously illuminated. (TPMS) uses radio and sensor soon as possible, and inflate them This sequence will continue upon technology to check tire pressure to the proper pressure. Driving on a subsequent vehicle start-ups as levels. The TPMS sensors monitor significantly under-inflated tire long as the malfunction exists. the air pressure in your tires and causes the tire to overheat and can When the malfunction indicator is transmit tire pressure readings to a lead to tire failure. Under-inflation illuminated, the system may not be receiver located in the vehicle. also reduces fuel efficiency and tire able to detect or signal low tire Each tire, including the spare (if tread life, and may affect the pressure as intended. TPMS provided), should be checked vehicle's handling and stopping malfunctions may occur for a variety monthly when cold and inflated to ability. of reasons, including the installation the inflation pressure recommended Please note that the TPMS is not a of replacement or alternate tires or by the vehicle manufacturer on the substitute for proper tire wheels on the vehicle that prevent vehicle placard or tire inflation maintenance, and it is the driver's the TPMS from functioning properly. pressure label. (If your vehicle has responsibility to maintain correct tire Always check the TPMS malfunction tires of a different size than the size pressure, even if under-inflation has telltale after replacing one or more indicated on the vehicle placard or tires or wheels on your vehicle to ensure that the replacement or Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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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 0 274. could be an early indicator that the air pressure is getting low and See Radio Frequency When a low tire pressure condition needs to be inflated to the proper Statement 0 341. is detected, the TPMS illuminates pressure. the low tire pressure warning light A Tire and Loading Information Tire Pressure Monitor located on the instrument cluster. label, attached to your vehicle, Operation If the warning light comes on, stop shows the size of the original as soon as possible and inflate the This vehicle may have a Tire equipment tires and the correct tires to the recommended pressure Pressure Monitor System (TPMS). inflation pressure for the tires when shown on the Tire and Loading The TPMS is designed to warn the they are cold. See Vehicle Load Information label. See Vehicle Load 0 driver when a low tire pressure Limits 171, for an example of the Limits 0 171. condition exists. TPMS sensors are Tire and Loading Information label A message to check the pressure in and its location. Also see Tire mounted onto each tire and wheel 0 assembly, excluding the spare tire a specific tire displays in the Driver Pressure 271. and wheel assembly. The TPMS Information Center (DIC). The low The TPMS can warn about a low sensors monitor the air pressure in tire pressure warning light and the tire pressure condition but it does the tires and transmits the tire DIC warning message come on at not replace normal tire pressure readings to a receiver each ignition cycle until the tires are maintenance. See Tire Inspection located in the vehicle. inflated to the correct inflation 0 277, Tire Rotation 0 277 and pressure. Using the DIC, tire Tires 0 264. pressure levels can be viewed. For additional information and details about the DIC operation and displays see Driver Information Center (DIC) 0 123. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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about one minute and then stays on . One or more TPMS sensors are Caution for the remainder of the ignition missing or damaged. The cycle. A DIC warning message also malfunction light and the DIC Tire sealant materials are not all displays. The malfunction light and message should go off when the the same. A non-approved tire DIC warning message come on at TPMS sensors are installed and sealant could damage the TPMS each ignition cycle until the problem the sensor matching process is sensors. TPMS sensor damage is corrected. Some of the conditions performed successfully. See caused by using an incorrect tire that can cause these to come your dealer for service. sealant is not covered by the on are: . Replacement tires or wheels do vehicle warranty. Always use only . One of the road tires has been not match the original equipment the GM approved tire sealant replaced with the spare tire. The tires or wheels. Tires and wheels available through your dealer or spare tire does not have a other than those recommended included in the vehicle. TPMS sensor. The malfunction could prevent the TPMS from light and DIC message should functioning properly. See Buying Factory-installed Tire Inflator Kits go off after the road tire is New Tires 0 279. use a GM-approved liquid tire replaced and the sensor . Operating electronic devices or sealant. Using non-approved tire matching process is performed being near facilities using radio sealants could damage the TPMS successfully. See “TPMS Sensor wave frequencies similar to the sensors. See Tire Sealant and Matching Process” later in this TPMS could cause the TPMS 0 Compressor Kit 285 for section. sensors to malfunction. information regarding the inflator kit . The TPMS sensor matching materials and instructions. If the TPMS is not functioning process was not done or not properly it cannot detect or signal a TPMS Malfunction Light and completed successfully after low tire condition. See your dealer Message rotating the tires. The for service if the TPMS malfunction malfunction light and the DIC light and DIC message comes on The TPMS will not function properly message should go off after and stays on. if one or more of the TPMS sensors successfully completing the are missing or inoperable. When the sensor matching process. See system detects a malfunction, the "TPMS Sensor Matching low tire warning light flashes for Process" later in this section. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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TPMS Sensor Matching There are two minutes to match the 5. Press and hold the V (Set/ Process first tire/wheel position, and Reset) button located in the five minutes overall to match all four center of the DIC controls. Each TPMS sensor has a unique tire/wheel positions. If it takes identification code. The identification longer, the matching process stops The horn sounds twice to code needs to be matched to a new and must be restarted. signal the receiver is in relearn tire/wheel position after rotating the mode and the TIRE vehicle’s tires or replacing one or The TPMS sensor matching LEARNING ACTIVE message more of the TPMS sensors. The process is: displays on the DIC screen. TPMS sensor matching process 1. Set the parking brake. 6. Start with the driver side should also be performed after front tire. replacing a spare tire with a road 2. Turn the ignition to ON/RUN tire containing the TPMS sensor. with the engine off or place the 7. Place the relearn tool against The malfunction light and the DIC vehicle power mode in ON/ the tire sidewall, near the valve message should go off at the next RUN/START. See Ignition stem. Then press the button to ignition cycle. The sensors are Positions (Keyless Access) activate the TPMS sensor. 0 matched to the tire/wheel positions, 175 or Ignition Positions (Key A horn chirp confirms that the 0 using a TPMS relearn tool, in the Access) 176. sensor identification code has following order: driver side front tire, 3. Make sure the Tire Pressure been matched to this tire and passenger side front tire, passenger info page option is turned on. wheel position. side rear tire, and driver side rear. The info pages on the DIC can 8. Proceed to the passenger side See your dealer for service or to be turned on and off through front tire, and repeat the purchase a relearn tool. A TPMS the Settings menu. See Driver procedure in Step 7. relearn tool can also be purchased. Information Center (DIC) 0 123. See Tire Pressure Monitor 9. Proceed to the passenger side 4. Use the DIC controls on the Sensor Activation Tool at rear tire, and repeat the right side of the steering wheel www.gmtoolsandequipment.com or procedure in Step 7. to scroll to the Tire Pressure call 1-800-GM TOOLS screen under the DIC 10. Proceed to the driver side rear (1-800-468-6657). info page. tire, and repeat the procedure in Step 7. The horn sounds two times to indicate the sensor Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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identification code has been . There is cord or fabric Anytime unusual wear is matched to the driver side rear showing through the tire's noticed, rotate the tires as soon tire, and the TPMS sensor rubber. as possible, check for proper tire matching process is no longer . The tread or sidewall is inflation pressure, and check for active. The TIRE LEARNING damaged tires or wheels. If the ACTIVE message on the DIC cracked, cut, or snagged display screen goes off. deep enough to show cord or unusual wear continues after the fabric. rotation, check the wheel 11. Turn the ignition to LOCK/OFF alignment. See When It Is Time or press STOP to turn the . The tire has a bump, bulge, for New Tires 0 278 and Wheel ignition off. or split. Replacement 0 282. 12. Set all four tires to the . The tire has a puncture, cut, recommended air pressure level as indicated on the Tire or other damage that cannot and Loading Information label. be repaired well because of the size or location of the Tire Inspection damage. We recommend that the tires, Tire Rotation including the spare tire, if the vehicle has one, be inspected Tires should be rotated every for signs of wear or damage at 12 000 km (7,500 mi). See least once a month. Maintenance Schedule 0 314. Replace the tire if: Tires are rotated to achieve a more uniform wear for all tires. . The indicators at three or Use this rotation pattern when The first rotation is the most rotating the tires. more places around the tire important. can be seen. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Do not include the compact spare tire in the tire rotation. Warning (Continued) Adjust the front and rear tires to wheel attaches to the vehicle. In the recommended inflation an emergency, a cloth or a paper 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 0 271 and Vehicle Load Limits 0 171. 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 0 274. tire rotation to prevent corrosion Treadwear indicators are one way to or rust build-up. Do not get tell when it is time for new tires. Check that all wheel nuts are grease on the flat wheel Treadwear indicators appear when properly tightened. See “Wheel mounting surface or on the the tires have only 1.6 mm (1/16 in) Nut Torque” under Capacities wheel nuts or bolts. or less of tread remaining. See Tire and Specifications 0 327. Inspection 0 277 and Tire 0 When It Is Time for New Rotation 277. { Warning The rubber in tires ages over time. Tires This also applies to the spare tire, Rust or dirt on a wheel, or on the Factors such as maintenance, if the vehicle has one, even if it is parts to which it is fastened, can temperatures, driving speeds, never used. Multiple factors make wheel nuts become loose vehicle loading, and road conditions including temperatures, loading after time. The wheel could come affect the wear rate of the tires. conditions, and inflation pressure off and cause an accident. When maintenance affect how fast aging changing a wheel, remove any takes place. GM recommends that rust or dirt from places where the tires, including the spare if equipped, be replaced after six (Continued) years, regardless of tread wear. The Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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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 0 266. 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 0 277. 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

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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 171. 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 { Warning sure they are the same size, 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 resulting in a crash or other Vehicles that have a tire also be affected. vehicle damage. Use the pressure monitoring system correct size, brand, and type could give an inaccurate { Warning of tires on all wheels. low-pressure warning if non-TPC Spec rated tires are installed. If different sized wheels are used, See Tire Pressure Monitor there may not be an acceptable System 0 273. level of performance and safety if (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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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 0 279 and and light trucks may vary with under controlled conditions on a Accessories and respect to these grades, they specified government test 0 Modifications 228. 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

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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/Mexico- 9159288) - 2016 - CRC - 10/5/15

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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/Mexico- 9159288) - 2016 - CRC - 10/5/15

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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 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 0 264. 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 is ever 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 0 151. 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 A rear blowout, particularly on a { Warning dangerous. The vehicle can slip 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. changing a flat tire. If it is used for (Continued) anything else, you or others could (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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When the vehicle has a flat tire (2), Warning (Continued) use the following example as a Warning (Continued) guide to assist you in the placement 2. Put an automatic of wheel blocks (1), if equipped. enter the vehicle. Engine exhaust transmission in P (Park) or a contains carbon monoxide (CO) manual transmission in which cannot be seen or smelled. 1 (First) or R (Reverse). It can cause unconsciousness 3. Turn off the engine and do and even death. Never run the not restart while the vehicle engine in an enclosed area that is raised. has no fresh air ventilation. For more information, see Engine 4. Do not allow passengers to 0 remain in the vehicle. Exhaust 185. 5. Place wheel blocks, if equipped, on both sides of 1. Wheel Block (If Equipped) { Warning the tire at the opposite 2. Flat Tire corner of the tire being Overinflating a tire could cause changed. The following information explains the tire to rupture and you or how to repair or change a tire. others could be injured. Be sure This vehicle may come with a jack to read and follow the tire sealant and spare tire or a tire sealant and Tire Sealant and and compressor kit instructions compressor kit. To use the jacking Compressor Kit and inflate the tire to its equipment to change a spare tire recommended pressure. Do not safely, follow the instructions below. { Warning exceed the recommended Then see Tire Changing 0 291. To pressure. use the tire sealant and compressor Idling a vehicle in an enclosed kit, see Tire Sealant and area with poor ventilation is Compressor Kit 0 285. dangerous. Engine exhaust may (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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sealant and compressor kit to be Tire Sealant { Warning effective. See Roadside Assistance Read and follow the safe handling Program 0 334. Storing the tire sealant and instructions on the label adhered to compressor kit or other Read and follow all of the tire the compressor. sealant and compressor kit equipment in the passenger Check the tire sealant expiration instructions. compartment of the vehicle could date on the sealant canister. The cause injury. In a sudden stop or The kit includes: sealant canister should be replaced collision, loose equipment could before its expiration date. strike someone. Store the tire Replacement sealant canisters are sealant and compressor kit in its available at your local dealer. See original location. “Removal and Installation of the Sealant Canister” following. If this vehicle has a tire sealant and There is only enough sealant to seal compressor kit, there may not be a one tire. After usage, the sealant spare tire, tire changing equipment, canister and sealant/air hose and on some vehicles there may not assembly must be replaced. See be a place to store a tire. “Removal and Installation of the Sealant Canister following. The tire sealant and compressor ” can be used to temporarily seal Using the Tire Sealant and punctures up to 6 mm (0.25 in) in Compressor Kit to Temporarily 1. On/Off Button the tread area of the tire. It can also Seal and Inflate a 2. Selector Switch (Sealant/Air be used to inflate an under Punctured Tire inflated tire. or Air Only) 3. Pressure Relief Button Follow the directions closely for If the tire has been separated from 4. Pressure Gauge correct sealant usage. the wheel, has damaged sidewalls, or has a large puncture, the tire is 5. Air Only Hose (Black) too severely damaged for the tire 6. Sealant/Air Hose (Clear) 7. Power Plug Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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1. Remove the tire sealant and If the vehicle only has a compressor kit from its storage cigarette lighter, use the location. See Storing the Tire cigarette lighter. Sealant and Compressor 0 Do not pinch the power plug Kit 291. cord in the door or window. 2. Unwrap the sealant/air hose (6) 7. Start the vehicle. The vehicle and the power plug (7). must be running while using 3. Place the kit on the ground. the air compressor. Make sure the tire valve stem 8. Turn the selector switch (2) is positioned close to the clockwise to the Sealant + Air ground so the hose will position. When using the tire sealant and reach it. 9. Press the on/off button (1) to compressor kit during cold 4. Remove the valve stem cap turn the tire sealant and temperatures, warm the kit in a from the flat tire by turning it compressor kit on. heated environment for five minutes. counterclockwise. The compressor will inject This will help to inflate the tire 5. Attach the sealant/air hose (6) sealant and air into the tire. faster. onto the tire valve stem. Turn it The pressure gauge (4) will If a tire goes flat, avoid further tire clockwise until it is tight. initially show a high pressure and wheel damage by driving slowly 6. Plug the power plug (7) into the while the compressor pushes to a level place. Turn on the hazard accessory power outlet in the the sealant into the tire. Once warning flashers. See Hazard vehicle. Unplug all items from the sealant is completely Warning Flashers 0 151. other accessory power outlets. dispersed into the tire, the See If a Tire Goes Flat 0 284 for If the vehicle has an accessory pressure will quickly drop and other important safety warnings. power outlet, do not use the start to rise again as the tire Do not remove any objects that cigarette lighter. inflates with air only. have penetrated the tire. 10. Inflate the tire to the recommended inflation pressure using the pressure Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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gauge (4). The recommended 11. Press the on/off button (1) to inflation pressure can be found turn the tire sealant and on the Tire and Loading compressor kit off. Information label. See Tire 0 The tire is not sealed and will Pressure 271. continue to leak air until the The pressure gauge (4) may vehicle is driven and the read higher than the actual tire sealant is distributed in the tire; 16. If the flat tire was able to inflate pressure while the compressor therefore, Steps 12–18 must be to the recommended inflation is on. Turn the compressor off done immediately after pressure, remove the to get an accurate pressure Step 11. maximum speed label from the sealant canister and place it in reading. The compressor may Be careful while handling the a highly visible location. Do not be turned on/off until the tire sealant and compressor kit exceed the speed on this label correct pressure is reached. as it could be warm after until the damaged tire is usage. Caution repaired or replaced. 12. Unplug the power plug (7) from 17. Return the equipment to its the accessory power outlet in If the recommended pressure original storage location in the the vehicle. cannot be reached after vehicle. approximately 25 minutes, the 13. Turn the sealant/air hose (6) 18. Immediately drive the vehicle vehicle should not be driven counterclockwise to remove it 8 km (5 mi) to distribute the farther. The tire is too severely from the tire valve stem. sealant in the tire. damaged and the tire sealant and 14. Replace the tire valve 19. Stop at a safe location and compressor kit cannot inflate the stem cap. tire. Remove the power plug from check the tire pressure. Refer the accessory power outlet and 15. Return the sealant/air hose (6) to Steps 1–11 under “Using the unscrew the inflating hose from and the power plug (7) back in Tire Sealant and Compressor their original locations. the tire valve. See Roadside Kit without Sealant to Inflate a Tire (Not Punctured). Assistance Program 0 334. ” Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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If the tire pressure has fallen vehicle to an authorized dealer See If a Tire Goes Flat 0 284 for more than 68 kPa (10 psi) within 161 km (100 mi) of other important safety warnings. below the recommended driving to have the tire repaired 1. Remove the tire sealant and inflation pressure, stop driving or replaced. compressor kit from its storage the vehicle. The tire is too location. See Storing the Tire severely damaged and the tire Using the Tire Sealant and Compressor Kit without Sealant and Compressor sealant cannot seal the tire. Kit 0 291. See Roadside Assistance Sealant to Inflate a Tire (Not Program 0 334. Punctured) 2. Unwrap the air only hose (5) and the power plug (7). If the tire pressure has not To use the air compressor to inflate dropped more than 68 kPa a tire with air only and not sealant: 3. Place the kit on the ground. (10 psi) from the recommended Make sure the tire valve stem inflation pressure, use the is positioned close to the compressor kit to inflate the tire ground so the hose will to the recommended inflation reach it. pressure. 4. Remove the tire valve stem 20. Wipe off any sealant from the cap from the flat tire by turning wheel, tire, and vehicle. it counterclockwise. 21. Dispose of the used sealant 5. Attach the air only hose (5) canister and sealant/air hose onto the tire valve stem by (6) assembly at a local dealer turning it clockwise until it is or in accordance with local tight. state codes and practices. 6. Plug the power plug (7) into the 22. Replace it with a new canister If a tire goes flat, avoid further tire accessory power outlet in the available from your dealer. and wheel damage by driving slowly vehicle. Unplug all items from 23. After temporarily sealing a tire to a level place. Turn on the hazard other accessory power outlets. using the tire sealant and warning flashers. See Hazard compressor kit, take the Warning Flashers 0 151. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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If the vehicle has an accessory The pressure gauge (4) may 13. Disconnect the air only power outlet, do not use the read higher than the actual tire hose (5) from the tire valve cigarette lighter. pressure while the compressor stem, by turning it If the vehicle only has a is on. Turn the compressor off counterclockwise, and replace cigarette lighter, use the to get an accurate reading. The the tire valve stem cap. cigarette lighter. compressor may be turned on/ 14. Return the air only hose (5) off until the correct pressure is Do not pinch the power plug and the power plug (7) back to reached. If the tire is inflated their original locations. cord in the door or window. higher than the recommended 7. Start the vehicle. The vehicle pressure, press the pressure 15. Return the equipment to its must be running while using relief button (3), if equipped, original storage location in the the air compressor. until the proper pressure vehicle. reading is reached. This option Removal and Installation of the 8. Turn the selector switch (2) is only functional when using counterclockwise to the Air the air only hose (5). Sealant Canister Only position. 11. Press the on/off button (1) to To remove the sealant canister: 9. Press the on/off button (1) to turn the tire sealant and turn the compressor on. compressor kit off. The compressor will inflate the Be careful while handling the tire with air only. tire sealant and compressor kit 10. Inflate the tire to the as it could be warm after recommended inflation usage. pressure using the pressure 12. Unplug the power plug (7) from gauge (4). The recommended the accessory power outlet in inflation pressure can be found the vehicle. on the Tire and Loading Information label. See Tire Pressure 0 271. 1. Remove the plastic cover. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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2. Unscrew the connector (2) from Tire Changing the canister (1). Removing the Spare Tire and 3. Pull up on the canister (1) to remove it. Tools 4. Replace with a new canister The equipment you need is in the which is available from your trunk. dealer. 1. Open the trunk. 5. Push the new canister into 2. Remove the spare tire cover. place. 6. Screw the connector (2) to the canister (1). 3. Turn the wing nut 7. Slide the plastic cover back on. counterclockwise to remove it. Storing the Tire Sealant 4. Remove the tire sealant and and Compressor Kit compressor kit. To store the tire sealant and To access the tire sealant and compressor kit, reverse the steps. compressor kit: 1. Open the trunk. See Trunk 0 38. 2. Lift the cover. 3. Turn the retainer nut counterclockwise and remove the spare tire. 4. Place the spare tire next to the tire being changed. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Removing the Flat Tire and Installing the Spare Tire 1. Do a safety check before proceeding. See If a Tire Goes Flat 0 284. 2. Turn the wheel wrench counterclockwise to loosen the wheel nut caps. If needed, finish loosening them by hand. The nut caps will not come off of the wheel 1. Screwdriver (If Equipped) cover. 3. Turn the wheel wrench 2. Wrench The edge of the wheel cover counterclockwise to loosen all 3. Tow Hook (If Equipped) could be sharp, so do not try to of the wheel nuts, but do not 4. Fastener (If Equipped) remove the cover with your remove them yet. 5. Jack bare hands. Do not drop the 6. Trim Removal (If Equipped) cap or lay it face down, as it Caution could become scratched or The jack and tools are stored below damaged. Make sure that the jack lift head the spare tire. is in the correct position or you Store the wheel cover in the may damage your vehicle. The Place the tools next to the tire being trunk until you have the flat tire repairs would not be covered by changed. repaired or replaced. your warranty. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Warning (Continued) Warning (Continued)

you could be badly injured or the vehicle, it is designed only for killed. Never get under a vehicle changing a flat tire. If it is used for when it is supported only by anything else, you or others could a jack. be badly injured or killed if the vehicle slips off the jack. If a jack is provided with the vehicle, only { Warning use it for changing a flat tire.

Raising the vehicle with the jack improperly positioned can 4. Position the jack head, as damage the vehicle and even shown. make the vehicle fall. To help Set the jack to the necessary avoid personal injury and vehicle height before positioning it damage, be sure to fit the jack lift below the jacking point. head into the proper location 5. Attach the jack lift assist tool to before raising the vehicle. the jack by fitting both ends of the jack and tool over one another. { Warning Lifting a vehicle and getting under { Warning it to do maintenance or repairs is 6. Turn the jack handle clockwise Getting under a vehicle when it is dangerous without the to raise the vehicle far enough lifted on a jack is dangerous. appropriate safety equipment and off the ground for the compact If the vehicle slips off the jack, training. If a jack is provided with spare to fit under the vehicle. (Continued) (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

294 Vehicle Care

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.

11. Put the wheel nuts back on with the rounded end of the nuts toward the wheel. Turn each nut clockwise by hand 7. Remove all of the wheel nuts. until the wheel is held against the hub. 8. Remove the flat tire. 12. Lower the vehicle by turning the jack handle { Warning counterclockwise. Lower the Rust or dirt on a wheel, or on the jack completely. parts to which it is fastened, can make wheel nuts become loose 9. Remove any rust or dirt from { Warning after time. The wheel could come the wheel bolts, mounting Wheel nuts that are improperly or off and cause an accident. When surfaces, and spare wheel. incorrectly tightened can cause changing a wheel, remove any 10. Install the compact spare tire. the wheels to become loose or rust or dirt from places where the come off. The wheel nuts should wheel attaches to the vehicle. In be tightened with a torque wrench an emergency, a cloth or a paper to the proper torque specification (Continued) after replacing. Follow the torque (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Warning (Continued) Caution

specification supplied by the Wheel covers will not fit on the aftermarket manufacturer when vehicle's compact spare. If you try using accessory locking wheel to put a wheel cover on the nuts. See Capacities and compact spare, the cover or the Specifications 0 327 for original spare could be damaged. equipment wheel nut torque specifications. Storing a Flat or Spare Tire and Tools Caution 13. Tighten the wheel nuts firmly in { Warning Improperly tightened wheel nuts a crisscross sequence, as can lead to brake pulsation and shown. Storing a jack, a tire, or other rotor damage. To avoid expensive 14. Lower the jack all the way and equipment in the passenger brake repairs, evenly tighten the remove the jack from under the compartment of the vehicle could wheel nuts in the proper vehicle. cause injury. In a sudden stop or sequence and to the proper collision, loose equipment could 15. Tighten the wheel nuts firmly strike someone. Store all these in torque specification. See with the wheel wrench. Capacities and Specifications the proper place. 0 327 for the wheel nut torque specification. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

296 Vehicle Care

Storing a Flat or Spare Tire and The compact spare is for temporary with the spare tire installed and it is Tools With a Screw in Fastener 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 handling. This could lead to a recognized by the vehicle, crash and you or others could be especially on slippery roads. Adjust injured. Use only one compact driving to reduce possible 1. Turn the wrench spare tire at a time. wheel slip. counterclockwise to remove the fastener. If this vehicle has a compact spare Caution 2. Replace the fastener with the tire, it was fully inflated when new; When the compact spare is one provided in the foam. however, it can lose air over time. installed, do not take the vehicle Check the inflation pressure 3. Turn the wrench clockwise to through an automatic car wash tighten the fastener. regularly. It should be 420 kPa (60 psi). with guide rails. The compact 4. Replace the foam, jack and spare can get caught on the rails tools, and the tire. 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. 5. Turn the retainer nut clockwise inflated after being installed on the to secure the tire. vehicle. The compact spare tire is 6. 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

Vehicle Care 297 Do not mix the compact spare tire or Jump Starting Key Access wheel with other wheels or tires. Place the ignition key in the ON/ They will not fit. Keep the spare tire RUN position and proceed as and its wheel together. Jump Starting - North America (On-board with follows: Caution eAssist Only) 1. Press S then scroll y or z until the Settings menu Tire chains will not fit the compact If the vehicle fails to crank, it may displays. be jump started by using the eAssist spare. Using them can damage V the vehicle and the chains. Do not battery to charge the 12-volt battery. 2. Press to enter the Use the following procedure to use tire chains on the compact Settings menu. activate the on-board jump start spare. using the DIC controls. 3. Press T then scroll y or z until Jump Start displays. 4. Press V to activate the jump start. 5. The system will then ask for confirmation. If Yes is selected, the jump start will begin and the display will show WAIT TO START. 6. When the jump start is complete, the display will show ATTEMPT START or JUMP DIC Buttons START DISABLED. The vehicle may be equipped with an ignition key or an electronic keyless ignition with pushbutton start. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

298 Vehicle Care

Keyless Access If the vehicle is started, the If the battery has run down, try to With the brake pedal not applied, on-board jump start function will be use another vehicle and some press and hold the ENGINE START/ automatically disabled. If the vehicle jumper cables to start your vehicle. STOP button for more than cranks but does not start, the Be sure to use the following steps to five seconds. This will place the procedure may be repeated again. do it safely. vehicle in the Service Only Mode. If the vehicle start is still Proceed as follows: unsuccessful, the jump start can be { Warning attempted using the following jump 1. Press S then scroll y or z starting procedure under “Jump WARNING: Battery posts, until the Settings menu Starting (with or without eAssist).” terminals, and related displays. On-board jump starting may be accessories contain lead and lead unavailable due to the 12-volt compounds, chemicals known to 2. Press V to enter the battery charge level, the eAssist the State of California to cause Settings menu. battery charge level, power cancer and birth defects or other capability, or an issue with the 3. Press T then scroll y or z reproductive harm. Batteries also eAssist system. In these cases, the contain other chemicals known to until Jump Start displays. display will not be available because the State of California to cause V of the power issue, or the DIC will 4. Press to activate the jump cancer. WASH HANDS AFTER start. display JUMP START DISABLED SEE OWNERS MANUAL. HANDLING. See California 5. The system will then ask for Proposition 65 Warning 0 227. confirmation. If Yes is selected, Jump Starting - North the jump start will begin and the display will show WAIT TO America (with or without { Warning START. eAssist) Batteries can hurt you. They can 6. When the jump start is For more information about the be dangerous because: complete, the display will show vehicle battery, see Battery - North ATTEMPT START or JUMP America 0 250. . They contain acid that can START DISABLED. burn you. (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Warning (Continued) . They contain gas that can explode or ignite. . They contain enough electricity to burn you. If you do not follow these steps exactly, some or all of these things can hurt you.

Caution 1. Clips The vehicle has a remote 2. Pivot Points positive (+) terminal under a trim Ignoring these steps could result cover. It is under the battery cover in costly damage to the vehicle To remove the battery cover: on the driver side of the engine that would not be covered by the 1. Release the two rear clips (1). compartment. See Engine Compartment Overview 0 231. You vehicle warranty. Trying to start 2. Lift the battery cover up toward should always use this remote the vehicle by pushing or pulling it the front of the vehicle to positive terminal. will not work, and it could damage release it from the pivot the vehicle. points (2) and remove. The jump start negative grounding point for the discharged battery is 3. Reverse Steps 1 and 2 to the engine block or an engine The vehicle has a battery cover reinstall the battery cover. which must be removed to gain mounting bolt. Connect to a spot as access to the battery for jump far away from the discharged starting. battery as possible. 1. Check the other vehicle. It must have a 12-volt battery with a negative ground system. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

300 Vehicle Care

4. Turn the ignition to LOCK/OFF Caution and switch off all lights and { Warning accessories in both vehicles, If the other vehicle does not have except the hazard warning Fans or other moving engine a 12-volt system with a negative flashers if needed. parts can injure you badly. Keep ground, both vehicles can be your hands away from moving damaged. Only use a vehicle that { Warning parts once the engine is running. has a 12-volt system with a negative ground for jump starting. An electric fan can start up even 5. Connect one end of the red when the engine is not running positive (+) cable to the 2. Position the two vehicles so and can injure you. Keep hands, positive (+) terminal on the that they are not touching. clothing, and tools away from any discharged battery. underhood electric fan. 3. Set the parking brake firmly 6. Connect the other end of the and put the shift lever in red positive (+) cable to the P (Park). See Shifting Into positive (+) terminal of the good Park 0 183. { Warning battery. Using a match near a battery can 7. Connect one end of the black Caution cause battery gas to explode. negative (–) cable to the negative (–) terminal of the If any accessories are left on or People have been hurt doing this, and some have been blinded. good battery. plugged in during the jump starting procedure, they could be Use a flashlight if you need more 8. Connect the other end of the light. black negative ( ) cable to the damaged. The repairs would not – negative ( ) grounding point for be covered by the vehicle Battery fluid contains acid that – the discharged battery. warranty. Whenever possible, turn can burn you. Do not get it on off or unplug all accessories on you. If you accidentally get it in 9. Start the engine in the vehicle either vehicle when jump starting. your eyes or on your skin, flush with the good battery and run the place with water and get the engine at idle speed for at medical help immediately. least four minutes. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Vehicle Care 301 10. Try to start the vehicle that had Towing the Vehicle Recreational Vehicle the dead battery. If it will not start after a few tries, it Towing probably needs service. Caution Recreational vehicle towing means towing the vehicle behind another Incorrectly towing a disabled Caution vehicle such as a motor home. The vehicle may cause damage. The two most common types of If the jumper cables are damage would not be covered by recreational vehicle towing are connected or removed in the the vehicle warranty. known as dinghy towing and dolly wrong order, electrical shorting Do not lash or hook to towing. Dinghy towing is towing the may occur and damage the suspension components. Use the vehicle with all four wheels on the vehicle. The repairs would not be proper straps around the tires to ground. Dolly towing is towing the covered by the vehicle warranty. secure the vehicle. vehicle with two wheels on the Always connect and remove the ground and two wheels up on a device known as a dolly. jumper cables in the correct order, Have the vehicle towed on a wheel making sure that the cables do lift tow truck. A flatbed car carrier Here are some important things to not touch each other or other could damage the vehicle. The consider before recreational vehicle metal. wheel lift tow truck must raise the towing: rear of the vehicle and wheel dollies . What is the towing capacity of Jumper Cable Removal must be used to lift the front wheels the towing vehicle? Be sure to off the ground. read the tow vehicle Reverse the sequence exactly when manufacturer's removing the jumper cables. Consult your dealer or a professional towing service if the recommendations. After starting the disabled vehicle disabled vehicle must be towed. . What is the distance that will be and removing the jumper cables, traveled? Some vehicles have allow it to idle for several minutes. restrictions on how far and how long they can tow. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

302 Vehicle Care

. Is the proper towing equipment Dinghy Towing towed, a dolly should be used. See going to be used? See your the following information on dolly dealer or trailering professional towing. for additional advice and equipment recommendations. Dolly Towing from the Front (Front-Wheel Drive) . Is the vehicle ready to be towed? Just as preparing the vehicle for a long trip, make sure the vehicle is prepared to be towed.

Caution

Use of a shield mounted in front of the vehicle could restrict airflow and cause damage to the Caution transmission. The repairs would If the vehicle is towed with all four not be covered by the vehicle wheels on the ground, the warranty. If using a shield, only drivetrain components could be use one that attaches to the Vehicles with front-wheel drive can damaged. The repairs would not be dolly towed from the front. towing vehicle. 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

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3. Shift the transmission to Dolly Towing from the Front Dolly Towing from the Rear P (Park). (All-Wheel Drive) 4. Firmly set the parking brake. 5. Use an adequate clamping 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 The vehicle cannot be dolly towed vehicle. Vehicles with All-Wheel Drive from the rear. 8. Turn the ignition to OFF. cannot be dolly towed. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Appearance Care Caution (Continued) Caution (Continued) Exterior Care your dealer. Follow all This could cause damage that manufacturer directions regarding would not be covered by the Locks correct product usage, necessary vehicle warranty. Locks are lubricated at the factory. safety precautions, and Use a de-icing agent only when appropriate disposal of any If using an automatic car wash, absolutely necessary, and have the vehicle care product. follow the car wash instructions. The locks greased after using. See windshield wiper and rear window Recommended Fluids and 0 wiper, if equipped, must be off. Lubricants 323. Caution Remove any accessories that may Washing the Vehicle be damaged or interfere with the car Avoid using high-pressure wash equipment. To preserve the vehicle's finish, washes closer than 30 cm (12 in) wash it often and out of direct to the surface of the vehicle. Use Rinse the vehicle well, before sunlight. of power washers exceeding washing and after, to remove all cleaning agents completely. If they 8,274 kPa (1,200 psi) can result are allowed to dry on the surface, in damage or removal of paint Caution they could stain. and decals. Do not use petroleum-based, Dry the finish with a soft, clean acidic, or abrasive cleaning chamois or an all-cotton towel to agents as they can damage the Caution avoid surface scratches and water vehicle's paint, metal, or plastic spotting. parts. If damage occurs, it would Do not power wash any Finish Care not be covered by the vehicle component under the hood that warranty. Approved cleaning has this e symbol. Application of aftermarket clearcoat products can be obtained from sealant/wax materials is not (Continued) recommended. If painted surfaces (Continued) are damaged, see your dealer to Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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have the damage assessed and The bright metal moldings on the repaired. Foreign materials such as Caution vehicle are aluminum, chrome or calcium chloride and other salts, ice stainless steel. To prevent damage melting agents, road oil and tar, tree Machine compounding or always follow these cleaning sap, bird droppings, chemicals from aggressive polishing on a instructions: basecoat/clearcoat paint finish industrial chimneys, etc., can . Be sure the molding is cool to damage the vehicle's finish if they may damage it. Use only non-abrasive waxes and polishes the touch before applying any remain on painted surfaces. Wash cleaning solution. the vehicle as soon as possible. that are made for a basecoat/ If necessary, use non-abrasive clearcoat paint finish on the . Use only approved cleaning cleaners that are marked safe for vehicle. solutions for aluminum, chrome painted surfaces to remove foreign or stainless steel. Some matter. cleaners are highly acidic or To keep the paint finish looking new, contain alkaline substances and Occasional hand waxing or mild keep the vehicle garaged or can damage the moldings. polishing should be done to remove covered whenever possible. residue from the paint finish. See . Always dilute a concentrated your dealer for approved cleaning Protecting Exterior Bright Metal cleaner according to the products. Moldings manufacturer’s instructions. . Do not use cleaners that are not Do not apply waxes or polishes to Caution uncoated plastic, vinyl, rubber, intended for automotive use. decals, simulated wood, or flat paint Failure to clean and protect the . Use a nonabrasive wax on the as damage can occur. bright metal moldings can result vehicle after washing to protect in a hazy white finish or pitting. and extend the molding finish. This damage would not be covered by the vehicle warranty. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Cleaning Exterior Lamps/ . Aftermarket appearance caps or Shutter System Lenses, Emblems, Decals, and covers while the lamps are Stripes illuminated, due to excessive heat generated. Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean exterior lamps, lenses, Caution emblems, decals, and stripes. Failure to clean lamps properly Follow instructions under "Washing can cause damage to the lamp the Vehicle" previously in this cover that would not be covered section. by the vehicle warranty. Lamp covers are made of plastic, and some have a UV protective coating. Do not clean or wipe them Caution when dry. The vehicle may have a shutter Do not use any of the following on Using wax on low gloss black system designed to help increase lamp covers: finish stripes can increase the fuel economy. Keep the shutter gloss level and create a system clean for proper operation. . Abrasive or caustic agents. non-uniform finish. Clean low . Washer fluids and other cleaning gloss stripes with soap and Windshield and Wiper Blades agents in higher concentrations water only. Clean the outside of the windshield than suggested by the with glass cleaner. manufacturer. Air Intakes Clean rubber blades using a lint-free . Solvents, alcohols, fuels, cloth or paper towel soaked with or other harsh cleaners. Clear debris from the air intakes, between the hood and windshield, windshield washer fluid or a mild . Ice scrapers or other hard items. when washing the vehicle. detergent. Wash the windshield thoroughly when cleaning the blades. Bugs, road grime, sap, and Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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a buildup of vehicle wash/wax treatments may cause wiper Caution Caution (Continued) streaking. Using petroleum-based tire chlorides are used on roads for Replace the wiper blades if they are dressing products on the vehicle conditions such as ice and dust. worn or damaged. Damage can be may damage the paint finish and/ Always wash the chrome with caused by extreme dusty or tires. When applying a tire soap and water after exposure. conditions, sand, salt, heat, sun, dressing, always wipe off any snow, and ice. overspray from all painted Weatherstrips surfaces on the vehicle. Caution Apply Dielectric silicone grease on To avoid surface damage, do not weatherstrips to make them last Wheels and Trim — Aluminum use strong soaps, chemicals, longer, seal better, and not stick or or Chrome abrasive polishes, cleaners, squeak. Lubricate weatherstrips at Use a soft, clean cloth with mild brushes, or cleaners that contain least once a year. Hot, dry climates soap and water to clean the wheels. acid on aluminum or may require more frequent After rinsing thoroughly with clean chrome-plated wheels. Use only application. Black marks from water, dry with a soft, clean towel. rubber material on painted surfaces approved cleaners. Also, never A wax may then be applied. can be removed by rubbing with a drive a vehicle with aluminum or clean cloth. See Recommended chrome-plated wheels through an Fluids and Lubricants 0 323. Caution automatic car wash that uses silicone carbide tire cleaning Tires Chrome wheels and other chrome brushes. Damage could occur Use a stiff brush with tire cleaner to trim may be damaged if the and the repairs would not be clean the tires. vehicle is not washed after driving covered by the vehicle warranty. on roads that have been sprayed with magnesium, calcium, or sodium chloride. These (Continued) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

308 Vehicle Care

Brake System with a clean cloth will make them Original manufacturer replacement last longer, seal better, and not stick parts will provide the corrosion Visually inspect brake lines and or squeak. protection while maintaining the hoses for proper hook-up, binding, vehicle warranty. leaks, cracks, chafing, etc. Inspect Underbody Maintenance disc brake pads for wear and rotors Finish Damage for surface condition. Inspect drum At least twice a year, spring and fall, brake linings/shoes for wear or use plain water to flush any Quickly repair minor chips and cracks. Inspect all other brake parts. corrosive materials from the scratches with touch-up materials underbody. Take care to thoroughly available from your dealer to avoid Steering, Suspension, and clean any areas where mud and corrosion. Larger areas of finish Chassis Components other debris can collect. damage can be corrected in your dealer's body and paint shop. Visually inspect steering, Do not directly power wash the suspension, and chassis transfer case and/or front/rear axle Chemical Paint Spotting components for damaged, loose, output seals. High pressure water Airborne pollutants can fall upon or missing parts or signs of wear at can overcome the seals and and attack painted vehicle surfaces least once a year. contaminate the fluid. Contaminated fluid will decrease the life of the causing blotchy, ring-shaped Inspect power steering for proper transfer case and/or axles and discolorations, and small, irregular hook-up, binding, leaks, cracks, should be replaced. dark spots etched into the paint chafing, etc. surface. See “Finish Care” Visually check constant velocity joint Sheet Metal Damage previously in this section. boots and axle seals for leaks. If the vehicle is damaged and requires sheet metal repair or Interior Care Body Component Lubrication replacement, make sure the body To prevent dirt particle abrasions, Lubricate all key lock cylinders, repair shop applies anti-corrosion regularly clean the vehicle's interior. hood hinges, liftgate hinges, and the material to parts repaired or Immediately remove any soils. steel fuel door hinges, unless the replaced to restore corrosion Newspapers or dark garments can components are plastic. Applying protection. transfer color to the vehicle’s silicone grease on weatherstrips interior. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Vehicle Care 309

Use a soft bristle brush to remove . Never rub any surface dust from knobs and crevices on the aggressively or with too much Caution instrument cluster. Using a mild pressure. To prevent scratching, never use soap solution, immediately remove . Do not use laundry detergents or hand lotions, sunscreen, and insect abrasive cleaners on automotive dishwashing soaps with glass. Abrasive cleaners or repellent from all interior surfaces or degreasers. For liquid cleaners, permanent damage may result. aggressive cleaning may damage use approximately 20 drops per the rear window defogger. Use cleaners specifically designed 3.8 L (1 gal) of water. for the surfaces being cleaned to A concentrated soap solution will prevent permanent damage. Apply create streaks and attract dirt. Cleaning the windshield with water all cleaners directly to the cleaning Do not use solutions that contain during the first three to six months cloth. Do not spray cleaners on any strong or caustic soap. of ownership will reduce tendency to fog. switches or controls. Remove . Do not heavily saturate the cleaners quickly. upholstery when cleaning. Speaker Covers Before using cleaners, read and . Do not use solvents or cleaners Vacuum around a speaker cover follow all safety instructions on the containing solvents. label. While cleaning the interior, gently, so that the speaker will not be damaged. Clean spots with water open the doors and windows to get Interior Glass and mild soap. proper ventilation. To clean, use a terry cloth fabric To prevent damage, do not clean dampened with water. Wipe droplets Coated Moldings the interior using the following left behind with a clean dry cloth. Coated moldings should be cleaned. cleaners or techniques: If necessary, use a commercial . When lightly soiled, wipe with a . Never use a razor or any other glass cleaner after cleaning with plain water. sponge or soft, lint-free cloth sharp object to remove soil from dampened with water. any interior surface. . When heavily soiled, use warm . Never use a brush with stiff soapy water. bristles. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

310 Vehicle Care

Fabric/Carpet/Suede to a clean area frequently to dirt that can scratch the surface. prevent forcing the soil in to the Then gently clean by rubbing with a Start by vacuuming the surface fabric. microfiber cloth. Never use window using a soft brush attachment. If a cleaners or solvents. Periodically rotating vacuum brush attachment is 4. Continue gently rubbing the hand wash the microfiber cloth being used, only use it on the floor soiled area until there is no separately, using mild soap. Do not carpet. Before cleaning, gently longer any color transfer from use bleach or fabric softener. Rinse remove as much of the soil as the soil to the cleaning cloth. thoroughly and air dry before possible: 5. If the soil is not completely next use. . Gently blot liquids with a paper removed, use a mild soap towel. Continue blotting until no solution followed only by plain Caution more soil can be removed. water. . For solid soils, remove as much If the soil is not completely Do not attach a device with a as possible prior to vacuuming. removed, it may be necessary to suction cup to the display. This use a commercial upholstery may cause damage and would To clean: cleaner or spot lifter. Test a small not be covered by the vehicle 1. Saturate a clean, lint-free hidden area for colorfastness before warranty. colorfast cloth with water. using a commercial upholstery Microfiber cloth is cleaner or spot lifter. If ring recommended to prevent lint formation occurs, clean the entire Instrument Panel, Leather, transfer to the fabric or carpet. fabric or carpet. Vinyl, Other Plastic Surfaces, Low Gloss Paint Surfaces, and 2. Remove excess moisture by After cleaning, use a paper towel to Natural Open Pore Wood gently wringing until water does blot excess moisture. not drip from the cleaning cloth. Surfaces Cleaning High Gloss Surfaces 3. Start on the outside edge of the Use a soft microfiber cloth and Vehicle Information and dampened with water to remove soil and gently rub toward the Radio Displays center. Fold the cleaning cloth dust and loose dirt. For a more Use a microfiber cloth on high gloss thorough cleaning, use a soft surfaces or vehicle displays. First, microfiber cloth dampened with a use a soft bristle brush to remove mild soap solution. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Vehicle Care 311

Caution Caution { Warning

Soaking or saturating leather, Use of air fresheners may cause Do not bleach or dye safety belts. especially perforated leather, as permanent damage to plastics It may severely weaken them. In well as other interior surfaces, and painted surfaces. If an air a crash, they might not be able to may cause permanent damage. freshener comes in contact with provide adequate protection. Wipe excess moisture from these any plastic or painted surface in Clean safety belts only with mild surfaces after cleaning and allow the vehicle, blot immediately and soap and lukewarm water. them to dry naturally. Never use clean with a soft cloth dampened heat, steam, or spot removers. Do with a mild soap solution. not use cleaners that contain Damage caused by air fresheners Floor Mats silicone or wax-based products. would not be covered by the Cleaners containing these vehicle warranty. { Warning solvents can permanently change the appearance and feel of If a floor mat is the wrong size or Cargo Cover and is not properly installed, it can leather or soft trim, and are not Convenience Net recommended. interfere with the pedals. Wash with warm water and mild Interference with the pedals can detergent. Do not use chlorine cause unintended acceleration Do not use cleaners that increase bleach. Rinse with cold water, and and/or increased stopping gloss, especially on the instrument then dry completely. distance which can cause a crash panel. Reflected glare can decrease and injury. Make sure the floor visibility through the windshield Care of Safety Belts mat does not interfere with the under certain conditions. Keep belts clean and dry. pedals. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

312 Vehicle Care

Use the following guidelines for Removing and Replacing the proper floor mat usage: Floor Mats . The original equipment floor Pull up on the rear of the floor mat mats were designed for your to unlock each retainer and remove. 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. . Do not use a floor mat if the vehicle is not equipped with a floor mat retainer on the driver side floor. . Use the floor mat with the Reinstall by lining up the floor mat correct side up. Do not turn retainer openings over the carpet it over. retainers and snap into position. . Do not place anything on top of Make sure the floor mat is properly the driver side floor mat. secured in place. . Use only a single floor mat on Verify the floor mat does not the driver side. interfere with the pedals. . Do not place one floor mat on top of another. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Service and Maintenance 313 General Information Your dealer recognizes the Service and importance of providing Maintenance Your vehicle is an important competitively priced maintenance investment. This section describes and repair services. With trained the required maintenance for the technicians, the dealer is the place General Information vehicle. Follow this schedule to help for routine maintenance such as oil General Information ...... 313 protect against major repair changes and tire rotations and expenses resulting from neglect or additional maintenance items like Maintenance Schedule inadequate maintenance. It may tires, brakes, batteries, and wiper Maintenance Schedule ...... 314 also help to maintain the value of blades. the vehicle if it is sold. It is the Special Application Services responsibility of the owner to have Caution Special Application all required maintenance performed. Services ...... 320 Your dealer has trained technicians Damage caused by improper Additional Maintenance who can perform required maintenance can lead to costly and Care maintenance using genuine repairs and may not be covered Additional Maintenance replacement parts. They have by the vehicle warranty. and Care ...... 320 up-to-date tools and equipment for Maintenance intervals, checks, fast and accurate diagnostics. Many inspections, recommended fluids, Recommended Fluids, dealers have extended evening and and lubricants are important to Lubricants, and Parts Saturday hours, courtesy keep the vehicle in good working Recommended Fluids and transportation, and online condition. Lubricants ...... 323 scheduling to assist with service Maintenance Replacement needs. Parts ...... 324 Maintenance Records Maintenance Records ...... 325 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

314 Service and Maintenance The Tire Rotation and Required The Additional Required Services - Maintenance Services are the responsibility of the Severe are for vehicles that are: vehicle owner. It is recommended to . Mainly driven in heavy city traffic Schedule have your dealer perform these in hot weather. services every 12 000 km/7,500 mi. Owner Checks and Services Proper vehicle maintenance helps to . Mainly driven in hilly or At Each Fuel Stop keep the vehicle in good working mountainous terrain. condition, improves fuel economy, . Check the engine oil level. See . Frequently towing a trailer. 0 and reduces vehicle emissions. Engine Oil 236. . Used for high speed or Because of the way people use competitive driving. Once a Month vehicles, maintenance needs vary. . Check the tire inflation There may need to be more . Used for taxi, police, or delivery service. pressures. See Tire frequent checks and services. The Pressure 0 271. Additional Required Services - Refer to the information in the Normal are for vehicles that: Maintenance Schedule Additional . Inspect the tires for wear. See Tire Inspection 0 277. . Carry passengers and cargo Required Services - Severe chart. within recommended limits on . Check the windshield washer the Tire and Loading Information { Warning fluid level. See Washer 0 label. See Vehicle Load Fluid 247. Performing maintenance work can Limits 0 171. Engine Oil Change be dangerous and can cause . Are driven on reasonable road serious injury. Perform When the CHANGE ENGINE OIL surfaces within legal driving maintenance work only if the SOON message displays, have the limits. required information, proper tools, engine oil and filter changed within . Use the recommended fuel. See and equipment are available. the next 1 000 km/600 mi. If driven Fuel 0 215. If they are not, see your dealer to under the best conditions, the engine oil life system may not Refer to the information in the have a trained technician do the indicate the need for vehicle service Maintenance Schedule Additional work. See Doing Your Own for up to a year. The engine oil and Required Services - Normal chart. Service Work 0 229. filter must be changed at least once Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Service and Maintenance 315

a year and the oil life system must . Check engine coolant level. See . Inspect brake system. See be reset. Your trained dealer Engine Coolant 0 243. Exterior Care 0 304. technician can perform this work. . Check windshield washer fluid . Visually inspect steering, If the engine oil life system is reset level. See Washer Fluid 0 247. suspension, and chassis accidentally, service the vehicle components for damaged, loose, within 5 000 km/3,000 mi since the . Visually inspect windshield wiper blades for wear, cracking, or missing parts or signs of last service. Reset the oil life wear. See Exterior Care 0 304. system when the oil is changed. or contamination. See Exterior See Engine Oil Life System 0 238. Care 0 304. Replace worn or . Check restraint system damaged wiper blades. See components. See Safety System Tire Rotation and Required Wiper Blade Check 0 64. Services Every 12 000 km/ 0 Replacement 253. . Visually inspect fuel system for 7,500 mi . Check tire inflation pressures. damage or leaks. 0 Rotate the tires, if recommended for See Tire Pressure 271. . Visually inspect exhaust system the vehicle, and perform the . Inspect tire wear. See Tire and nearby heat shields for following services. See Tire Inspection 0 277. loose or damaged parts. Rotation 0 277. . Visually check for fluid leaks. . Lubricate body components. See . Check engine oil level and oil Exterior Care 0 304. life percentage. If needed, . Inspect engine air cleaner filter. change engine oil and filter, and See Engine Air Cleaner/ reset oil life system. See Engine Filter 0 239. Oil 0 236 and Engine Oil Life System 0 238. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

316 Service and Maintenance

. Check starter switch. See Starter . Check accelerator pedal for Switch Check 0 251. damage, high effort, or binding. . Check automatic transmission Replace if needed. shift lock control function. See . Visually inspect gas strut for Automatic Transmission Shift signs of wear, cracks, or other Lock Control Function damage. Check the hold open Check 0 252. ability of the strut. See your . Check ignition transmission lock. dealer if service is required. See Ignition Transmission Lock . Check tire sealant expiration Check 0 252. date, if equipped. See Tire Sealant and Compressor . Check parking brake and 0 automatic transmission park Kit 285. mechanism. See Park Brake and . Inspect sunroof track and seal, P (Park) Mechanism if equipped. See Sunroof 0 47. Check 0 252. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Service and Maintenance 317

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) @ Except with eAssist: Visually inspect accessory @ drive belts. (5) Vehicles with eAssist: Visually inspect accessory @ drive belts. (5) Replace brake fluid. (6) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

318 Service and Maintenance

Footnotes — Maintenance (2) Check all fuel and vapor lines (5) Or every 10 years, whichever Schedule Additional Required and hoses for proper hook-up, comes first. Inspect for fraying, Services - Normal routing, and condition. excessive cracking, or damage; (1) Or every two years, whichever (3) Or every four years, whichever replace, if needed. comes first. More frequent comes first. If driving in dusty (6) Replace brake fluid every five passenger compartment air filter conditions, inspect the filter at each years. See Brake Fluid 0 249. replacement may be needed if oil change or more often as needed. driving in areas with heavy traffic, (4) Or every five years, whichever poor air quality, high dust levels, comes first. See Cooling or environmental allergens. System 0 242. 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. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Service and Maintenance 319

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) @ Except with eAssist: Visually inspect accessory @ drive belts. (5) Vehicles with eAssist: Visually inspect accessory @ drive belts. (5) Replace brake fluid. (6)

Footnotes — Maintenance driving in areas with heavy traffic, fogging, or odors. Your GM dealer Schedule Additional Required poor air quality, high dust levels, can help determine when to replace Services - Severe or environmental allergens. the filter. (1) Or every two years, whichever Passenger compartment air filter (2) Check all fuel and vapor lines comes first. More frequent replacement may also be needed if and hoses for proper hook-up, passenger compartment air filter there is reduced airflow, window routing, and condition. replacement may be needed if Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

320 Service and Maintenance (3) Or every four years, whichever Special Application Additional comes first. If driving in dusty conditions, inspect the filter at each Services Maintenance and Care oil change or more often as needed. . Severe Commercial Use Your vehicle is an important (4) Or every five years, whichever Vehicles Only: Lubricate chassis investment and caring for it properly comes first. See Cooling components every 5 000 km/ may help to avoid future costly System 0 242. 3,000 mi. repairs. To maintain vehicle (5) Or every 10 years, whichever . Have underbody flushing service performance, additional comes first. Inspect for fraying, performed. See "Underbody maintenance services may be excessive cracking, or damage; Maintenance" in Exterior required. replace, if needed. Care 0 304. It is recommended that your dealer (6) Replace brake fluid every five perform these services — their years. See Brake Fluid 0 249. trained dealer technicians know your vehicle best. Your dealer can also perform a thorough assessment with a multi-point inspection to recommend when your vehicle may need attention. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Service and Maintenance 321

The following list is intended to Brakes Hoses explain the services and conditions Brakes stop the vehicle and are Hoses transport fluids and should to look for that may indicate crucial to safe driving. be regularly inspected to ensure services are required. . Signs of brake wear may include that there are no cracks or leaks. Battery chirping, grinding, or squealing With a multi-point inspection, your noises, or difficulty stopping. dealer can inspect the hoses and The 12-volt battery supplies power advise if replacement is needed. to start the engine and operate any . Trained dealer technicians have additional electrical accessories. access to tools and equipment Lamps . To avoid break-down or failure to to inspect the brakes and Properly working headlamps, start the vehicle, maintain a recommend quality parts taillamps, and brake lamps are battery with full cranking power. engineered for the vehicle. important to see and be seen on . Trained dealer technicians have Fluids the road. the diagnostic equipment to test Proper fluid levels and approved . Signs that the headlamps need the battery and ensure that the attention include dimming, failure fluids protect the vehicle’s systems connections and cables are and components. See to light, cracking, or damage. corrosion-free. Recommended Fluids and The brake lamps need to be checked periodically to ensure Belts Lubricants 0 323 for GM approved fluids. that they light when braking. . Belts may need replacing if they . Engine oil and windshield . With a multi-point inspection, squeak or show signs of your dealer can check the lamps cracking or splitting. washer fluid levels should be checked at every fuel fill. and note any concerns. . Trained dealer technicians have access to tools and equipment . Instrument cluster lights may to inspect the belts and come on to indicate that fluids recommend adjustment or may be low and need to be replacement when necessary. filled. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

322 Service and Maintenance

Shocks and Struts . Trained dealer technicians can Windshield Shocks and struts help aid in control inspect and recommend the right For safety, appearance, and the for a smoother ride. tires. Your dealer can also best viewing, keep the windshield provide tire/wheel balancing clean and clear. . Signs of wear may include services to ensure smooth steering wheel vibration, bounce/ vehicle operation at all speeds. . Signs of damage include sway while braking, longer Your dealer sells and services scratches, cracks, and chips. stopping distance, or uneven name brand tires. . Trained dealer technicians can tire wear. Vehicle Care inspect the windshield and . As part of the multi-point recommend proper replacement inspection, trained dealer To help keep the vehicle looking like if needed. technicians can visually inspect new, vehicle care products are the shocks and struts for signs available from your dealer. For Wiper Blades of leaking, blown seals, information on how to clean and Wiper blades need to be cleaned or damage, and can advise protect the vehicle’s interior and and kept in good condition to 0 when service is needed. exterior, see Interior Care 308 and provide a clear view. Exterior Care 0 304. Tires . Signs of wear include streaking, Wheel Alignment skipping across the windshield, Tires need to be properly inflated, and worn or split rubber. rotated, and balanced. Maintaining Wheel alignment is critical for the tires can save money and fuel, ensuring that the tires deliver . Trained dealer technicians can and can reduce the risk of tire optimal wear and performance. check the wiper blades and failure. . Signs that the alignment may replace them when needed. . Signs that the tires need to be need to be adjusted include replaced include three or more pulling, improper vehicle visible treadwear indicators; cord handling, or unusual tire wear. or fabric showing through the . Your dealer has the required rubber; cracks or cuts in the equipment to ensure proper tread or sidewall; or a bulge or wheel alignment. split in the tire. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Service and Maintenance 323 Recommended Fluids, Lubricants, and Parts Recommended Fluids and Lubricants Usage Fluid/Lubricant Engine Oil Engine oil meeting the dexos1™ specification of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. See Engine Oil 0 236. Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL® Coolant. See Engine Coolant 0 243. Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 19299818, in Canada 19299819). Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements. Hydraulic Power Steering System (If DEXRON®-VI Automatic Transmission Fluid. Equipped) Automatic Transmission DEXRON®-VI Automatic Transmission Fluid. 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. 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). Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

324 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 55560894 A3128C Engine Oil Filter 2.4L L4 Engine 12605566 PF457G 3.6L V6 Engine 89017525 PF63 Passenger Compartment Air Filter 13356914 CF184 Spark Plugs 2.4L L4 Engine 12620540 41–108 3.6L V6 Engine 12622561 41–109 Wiper Blades Driver Side – 65 cm (25.6 in) 25892079 — Passenger Side – 45 cm (17.7 in) 25882578 — Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Service and Maintenance 325 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/Mexico- 9159288) - 2016 - CRC - 10/5/15

326 Technical Data Technical Data Vehicle Identification Service Parts Identification Label Vehicle Identification Vehicle Identification This label, in the trunk, has the Number (VIN) following information: Vehicle Identification Number (VIN) ...... 326 . Vehicle Identification Service Parts Identification Number (VIN). Label ...... 326 . Model designation. Vehicle Data . Paint information. Capacities and Specifications ...... 327 . Production options and special Engine Drive Belt Routing . . . . 329 equipment. This legal identifier is in the front Do not remove this label from the corner of the instrument panel, on vehicle. the left side of the vehicle. It can be seen through the windshield from outside. The 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 0 327 for the vehicle's engine code. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Technical Data 327 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 2.4L L4 Engine 9.6 L 10.1 qt 3.6L V6 Engine 9.4 L 9.9 qt Engine Oil with Filter 2.4L L4 Engine 4.7 L 5.0 qt 3.6L V6 Engine 5.7 L 6.0 qt Fuel Tank 2.4L L4 Engine 62.8 L 16.6 gal 3.6L V6 Engine, AWD 74.0 L 19.5 gal 3.6L V6 Engine, FWD 70.5 L 18.6 gal Wheel Nut Torque 150 Y 110 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. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

328 Technical Data

Engine Specifications Engine VIN Code Transmission Spark Plug Gap 2.4L L4 Engine R Automatic 0.75–0.90 mm (0.030– 0.035 in) 3.6L V6 Engine 3 Automatic 0.95–1.10 mm (0.037– 0.043 in) Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Technical Data 329

Engine Drive Belt Routing

3.6L V6 Engine 2.4L L4 Engine Belt removal and installation requires special tools. See your dealer for service. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

330 Customer Information Reporting Safety Defects Customer Information Customer Reporting Safety Defects to Information the United States Government ...... 341 Customer Satisfaction Reporting Safety Defects to Procedure Customer Information the Canadian Your satisfaction and goodwill are Customer Satisfaction Government ...... 342 important to your dealer and to Procedure ...... 330 Reporting Safety Defects to Buick. Normally, any concerns with General Motors ...... 342 Customer Assistance the sales transaction or the Offices ...... 332 Vehicle Data Recording and operation of the vehicle will be Customer Assistance for Text resolved by your dealer's sales or Telephone (TTY) Users . . . . . 333 Privacy Vehicle Data Recording and service departments. Sometimes, Online Owner Center ...... 333 however, despite the best intentions GM Mobility Reimbursement Privacy ...... 342 Event Data Recorders ...... 343 of all concerned, misunderstandings Program ...... 334 ® can occur. If your concern has not Roadside Assistance OnStar ...... 343 Infotainment System ...... 344 been resolved to your satisfaction, Program ...... 334 the following steps should be taken: Scheduling Service Appointments ...... 336 STEP ONE : Discuss your concern Courtesy Transportation with a member of dealership Program ...... 336 management. Normally, concerns Collision Damage Repair . . . . . 337 can be quickly resolved at that level. Service Publications Ordering If the matter has already been Information ...... 340 reviewed with the sales, service, Radio Frequency or parts manager, contact the owner Statement ...... 341 of your dealership or the general manager. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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STEP TWO : If after contacting a When contacting Buick, remember filing a court action, use of the member of dealership management, that your concern will likely be program is free of charge and your it appears your concern cannot be resolved at a dealer's facility. That is case will generally be heard within resolved by your dealership without why we suggest following Step One 40 days. If you do not agree with the further help, in the U.S., call first. decision given in your case, you 1-800-521-7300. In Canada, contact may reject it and proceed with any STEP THREE — U.S. Owners : General Motors of Canada Both General Motors and your other venue for relief available Customer Care Centre at dealer are committed to making to you. 1-800-263-3777 (English) or sure you are completely satisfied You may contact the BBB Auto Line 1-800-263-7854 (French). with the new vehicle. However, Program using the toll-free We encourage you to call the if you continue to remain unsatisfied telephone number or write them at toll-free number in order to give the after following the procedure the following address: inquiry prompt attention. Have the outlined in Steps One and Two, you BBB Auto Line Program following information available to can file with the Better Business ® Council of Better Business Bureaus, give the Customer Assistance Bureau (BBB) Auto Line Program Inc. representative: to enforce your rights. 3033 Wilson Boulevard . Vehicle Identification The BBB Auto Line Program is an Suite 600 Number (VIN). This is available out-of-court program administered Arlington, VA 22201 from the vehicle registration or by the Council of Better Business Telephone: 1-800-955-5100 title, or the plate at the top left of Bureaus to settle automotive http://www.bbb.org/council/ the instrument panel and visible disputes regarding vehicle repairs or programs-services/ through the windshield. the interpretation of the New Vehicle dispute-handling-and-resolution/ . Dealership name and location. Limited Warranty. Although you may bbb-auto-line be required to resort to this informal . Vehicle delivery date and dispute resolution program prior to present mileage. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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This program is available in all approximately 70 days. We believe Customer Assistance 50 states and the District of our impartial program offers Columbia. Eligibility is limited by advantages over courts in most Offices vehicle age, mileage, and other jurisdictions because it is informal, Buick encourages customers to call factors. General Motors reserves quick, and free of charge. the toll-free number for assistance. the right to change eligibility For further information concerning However, if a customer wishes to limitations and/or discontinue its eligibility in the Canadian Motor write or e-mail Buick, the letter participation in this program. Vehicle Arbitration Plan (CAMVAP), should be addressed to: STEP THREE — Canadian call toll-free 1-800-207-0685, or call United States and Puerto Rico Owners : In the event that you do the General Motors Customer Care not feel your concerns have been Centre, 1-800-263-3777 (English), Buick Customer Assistance Center addressed after following the 1-800-263-7854 (French), P.O. Box 33136 procedure outlined in Steps One or write to: Detroit, MI 48232-5136 www.Buick.com and Two, General Motors of Canada Mediation/Arbitration Program Limited wants you to be aware of its c/o Customer Care Centre 1-800-521-7300 participation in a no-charge General Motors of Canada Limited 1-800-832-8425 (For Text Mediation/Arbitration program. Mail Code: CA1-163-005 Telephone devices (TTYs)) General Motors of Canada Limited 1908 Colonel Sam Drive Roadside Assistance: has committed to binding arbitration Oshawa, Ontario L1H 8P7 1-800-252-1112 of owner disputes involving factory-related vehicle service The inquiry should be accompanied From U.S. Virgin Islands: claims. The program provides for by the Vehicle Identification 1-800-496-9994 the review of the facts involved by Number (VIN). an impartial third party arbiter, and may include an informal hearing before the arbiter. The program is designed so that the entire dispute settlement process, from the time you file your complaint to the final decision, should be completed in Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Canada communicate with Buick by dialing: D (Preferred Dealer 1-800-832-8425. TTY users in General Motors of Canada Limited Information) : Select a dealer and Canada can dial 1-800-263-3830. Customer Care Centre, view locations, maps, phone numbers, and hours. Mail Code: CA1-163-005 Online Owner Center 1908 Colonel Sam Drive r (Warranty Tracking Oshawa, Ontario L1H 8P7 Online Owner Experience Information) : Track your vehicle’s www.gm.ca (U.S.) my.buick.com warranty information. 1-800-263-3777 (English) The Buick online owner experience J (Recall Information) : View 1-800-263-7854 (French) allows interaction with Buick and active recalls by Vehicle 1-800-263-3830 (For Text keeps important vehicle-specific Identification Number (VIN). See Telephone devices (TTYs)) information in one place. Vehicle Identification Number (VIN) Roadside Assistance: 0 326 or Vehicle Identification 1-800-268-6800 Membership Benefits Number (VIN) 0 326. All Overseas Locations E (Vehicle Information) : H (Other Account Information) : Download owner manuals and view View GM Card, SiriusXM Satellite Please contact the local General vehicle-specific how-to videos. radio (if equipped), and OnStar Motors Business Unit. G (Maintenance Information) : account information. Customer Assistance for View maintenance schedules, F (Live Chat Support) : Chat with alerts, and OnStar onboard vehicle online help representatives. Text Telephone (TTY) diagnostic information. Schedule See my.buick.com to register your Users service appointments. vehicle. To assist customers who are deaf, I (Service History) : View and hard of hearing, or speech-impaired print dealer-recorded service and who use Text Telephones records and self-enter other service (TTYs), Buick has TTY equipment records. available at its Customer Assistance Center. Any TTY user can Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

334 Customer Information

Buick Owner Centre (Canada) GM Mobility Roadside Assistance buickowner.ca Reimbursement Program Program Visit the Buick Owner Centre: For U.S.-purchased vehicles, call . Chat live with online help 1-800-252-1112; (Text Telephone representatives. (TTY): 1-888-889-2438). . Use the Vehicle Tools section. For Canadian-purchased vehicles, . Access third party enthusiast call 1-800-268-6800. sites and social media networks. Service is available 24 hours a day, . Locate owner resources such as This program is available to 365 days a year. lease-end, financing, and qualified applicants for cost Calling for Assistance warranty information. reimbursement of eligible aftermarket adaptive equipment When calling Roadside Assistance, . Retrieve your favorite articles, required for the vehicle, such as have the following information quizzes, tips, and multimedia hand controls or a wheelchair/ ready: galleries organized into the scooter lift for the vehicle. Featured Articles and Auto Care . Your name, home address, and Sections. For more information on the limited home telephone number. offer, visit www.gmmobility.com or . Download the owner manual for . Telephone number of your call the GM Mobility Assistance your vehicle, quickly and easily. location. Center at 1-800-323-9935. Text . Find the Buick-recommended Telephone (TTY) users, call . Location of the vehicle. maintenance services for your 1-800-833-9935. . Model, year, color, and license vehicle. General Motors of Canada also has plate number of the vehicle. a Mobility Program. Visit www.gm.ca . Odometer reading, Vehicle or call 1-800-GM-DRIVE (463-7483) Identification Number (VIN), and for details. TTY users call delivery date of the vehicle. 1-800-263-3830. . Description of the problem. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Coverage . Lock-Out Service: Service to event, incidental expenses may unlock the vehicle if you are be reimbursed within the Services are provided for the locked out. A remote unlock may Powertrain warranty period. duration of the vehicle s powertrain ’ be available if you have Items considered are reasonable warranty. OnStar®. For security reasons, and customary hotel, meals, In the U.S., anyone driving the the driver must present rental car, or a vehicle being vehicle is covered. In Canada, a identification before this service delivered back to the customer, person driving the vehicle without is given. up to 805 km (500 mi). permission from the owner is not . Emergency Tow from a Public covered. Services Not Included in Road or Highway: Tow to the Roadside Assistance Roadside Assistance is not a part of nearest Buick dealer for the New Vehicle Limited Warranty. warranty service, or if the vehicle . Impound towing caused by General Motors North America and was in a crash and cannot be violation of any laws. Buick reserve the right to make any driven. Assistance is not given . Legal fines. changes or discontinue the when the vehicle is stuck in Roadside Assistance program at sand, mud, or snow. . Mounting, dismounting, any time without notification. or changing of snow tires, . Flat Tire Change: Service to chains, or other traction devices. General Motors North America and change a flat tire with the spare Buick reserve the right to limit tire. The spare tire, if equipped, Service is not provided if a vehicle services or payment to an owner or must be in good condition and is in an area that is not accessible driver if they decide the claims are properly inflated. It is the owner's to the service vehicle or is not a made too often, or the same type of responsibility for the repair or regularly traveled or maintained claim is made many times. replacement of the tire if it is not public road, which includes ice and covered by the warranty. winter roads. Off-road use is not Services Provided covered. . Battery Jump Start: Service to . Emergency Fuel Delivery: jump start a dead battery. Delivery of enough fuel for the vehicle to get to the nearest . Trip Interruption Benefits and service station. Assistance: If your trip is interrupted due to a warranty Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

336 Customer Information

Services Specific to after sending the original receipt If your dealer requests you to bring Canadian-Purchased Vehicles to Roadside Assistance. the vehicle for service, you are Mechanical failures may be urged to do so as early in the work . Fuel Delivery: Reimbursement covered, however any cost for day as possible to allow for is up to 7 liters. Diesel fuel parts and labor for repairs not same-day repair. delivery may be restricted. covered by the warranty are the Propane and other fuels are not owner responsibility. provided through this service. Courtesy Transportation Program . Lock-Out Service: Vehicle Scheduling Service registration is required. To enhance your ownership Appointments experience, we and our participating . Trip Interruption Benefits and When the vehicle requires warranty dealers are proud to offer Courtesy Assistance: Must be over service, contact your dealer and Transportation, a customer support 150 km from where your trip was request an appointment. By program for vehicles with the started to qualify. General scheduling a service appointment Bumper-to-Bumper (Base Warranty Motors of Canada Limited and advising the service consultant Coverage period in Canada), requires pre-authorization, of your transportation needs, your extended powertrain, and/or original detailed receipts, and a dealer can help minimize your warranties specific to e-Assist in copy of the repair orders. Once inconvenience. both the U.S. and Canada. authorization has been received, the Roadside Assistance advisor If the vehicle cannot be scheduled Several Courtesy Transportation will help you make arrangements into the service department options are available to assist in and explain how to receive immediately, keep driving it until it reducing inconvenience when payment. can be scheduled for service, warranty repairs are required. unless, of course, the problem is . Alternative Service: If Courtesy Transportation is not a safety related. If it is, please call assistance cannot be provided part of the New Vehicle Limited your dealership, let them know this, right away, the Roadside Warranty. A separate booklet and ask for instructions. Assistance advisor may give entitled “Limited Warranty and permission to get local Owner Assistance Information” emergency road service. You will receive payment, up to $100, Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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furnished with each new vehicle and be supported by original Additional Program provides detailed warranty coverage receipts. See your dealer for Information information. information. All program options, such as shuttle Transportation Options Courtesy Rental Vehicle service, may not be available at every dealer. Contact your dealer Warranty service can generally be For an overnight warranty repair, the for specific availability. completed while you wait. However, dealer may provide an available if you are unable to do so, your courtesy rental vehicle or provide for General Motors reserves the right to dealer may offer the following reimbursement of a rental vehicle. unilaterally modify, change, transportation options: Reimbursement is limited and must or discontinue Courtesy be supported by original receipts as Transportation at any time and to Shuttle Service well as a signed and completed resolve all questions of claim This includes one-way or round-trip rental agreement and meet state/ eligibility pursuant to the terms and shuttle service within reasonable provincial, local, and rental vehicle conditions described herein at its time and distance parameters of provider requirements. sole discretion. your dealer's area. Requirements vary and may include minimum age requirements, Collision Damage Repair Public Transportation or Fuel insurance coverage, credit card, etc. Reimbursement Additional fees such as fuel usage If the vehicle is involved in a If overnight warranty repairs are charges, taxes, levies, usage fees, collision and it is damaged, have the needed, and public transportation is excessive mileage, or rental usage damage repaired by a qualified used, the expense must be beyond the completion of the repair technician using the proper supported by original receipts and are also your responsibility. equipment and quality replacement within the maximum amount allowed parts. Poorly performed collision It may not be possible to provide a repairs diminish the vehicle resale by GM for shuttle service. If U.S. like vehicle as a courtesy rental. customers arrange their own value, and safety performance can transportation, limited be compromised in subsequent reimbursement for reasonable fuel collisions. expenses may be available. Claim amounts should reflect actual costs Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

338 Customer Information

Collision Parts Aftermarket collision parts are also Insuring the Vehicle available. These are made by Genuine GM Collision parts are new Protect your investment in the GM companies other than GM and may parts made with the same materials vehicle with comprehensive and not have been tested for the vehicle. and construction methods as the collision insurance coverage. There As a result, these parts may fit parts with which the vehicle was are significant differences in the poorly, exhibit premature durability/ originally built. Genuine GM quality of coverage afforded by corrosion problems, and may not Collision parts are the best choice to various insurance policy terms. perform properly in subsequent ensure that the vehicle's designed Many insurance policies provide collisions. Aftermarket parts are not appearance, durability, and safety reduced protection to the GM covered by the GM New Vehicle are preserved. The use of Genuine vehicle by limiting compensation for Limited Warranty, and any vehicle GM parts can help maintain the GM damage repairs through the use of failure related to such parts is not New Vehicle Limited Warranty. aftermarket collision parts. Some covered by that warranty. Recycled original equipment parts insurance companies will not may also be used for repair. These Repair Facility specify aftermarket collision parts. parts are typically removed from When purchasing insurance, we GM also recommends that you recommend that you ensure that the vehicles that were total losses in choose a collision repair facility that prior crashes. In most cases, the vehicle will be repaired with GM meets your needs before you ever original equipment collision parts. parts being recycled are from need collision repairs. Your dealer undamaged sections of the vehicle. If such insurance coverage is not may have a collision repair center available from your current A recycled original equipment GM with GM-trained technicians and part may be an acceptable choice to insurance carrier, consider switching state-of-the-art equipment, or be to another insurance carrier. maintain the vehicle's originally able to recommend a collision repair designed appearance and safety center that has GM-trained If the vehicle is leased, the leasing performance; however, the history of technicians and comparable company may require you to have these parts is not known. Such parts equipment. insurance that ensures repairs with are not covered by the GM New Genuine GM Original Equipment Vehicle Limited Warranty, and any Manufacturer (OEM) parts or related failures are not covered by Genuine Manufacturer replacement that warranty. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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parts. Read the lease carefully, as . Vehicle make, model, and original GM parts. Remember, you may be charged at the end of model year. recycled parts will not be covered by the lease for poor quality repairs. . Vehicle Identification the GM vehicle warranty. If a Crash Occurs Number (VIN). Insurance pays the bill for the repair, but you must live with the repair. If there has been an injury, call . Insurance company and policy number. Depending on your policy limits, emergency services for help. Do not your insurance company may leave the scene of a crash until all . General description of the initially value the repair using matters have been taken care of. damage to the other vehicle. aftermarket parts. Discuss this with Move the vehicle only if its position the repair professional, and insist on puts you in danger, or you are Choose a reputable repair facility that uses quality replacement parts. Genuine GM parts. Remember, instructed to move it by a police if the vehicle is leased, you may be officer. See “Collision Parts” earlier in this section. obligated to have the vehicle Give only the necessary information repaired with Genuine GM parts, to police and other parties involved If the airbag has inflated, see What even if your insurance coverage in the crash. Will You See after an Airbag does not pay the full cost. Inflates? 0 70. For emergency towing see If another party's insurance Roadside Assistance Managing the Vehicle Damage company is paying for the repairs, Program 0 334. Repair Process you are not obligated to accept a repair valuation based on that Gather the following information: In the event that the vehicle requires insurance company's collision policy damage repairs, GM recommends . Driver name, address, and repair limits, as you have no that you take an active role in its telephone number. contractual limits with that company. repair. If you have a pre-determined In such cases, you can have control . Driver license number. repair facility of choice, take the of the repair and parts choices as vehicle there, or have it towed there. . Owner name, address, and long as the cost stays within Specify to the facility that any telephone number. reasonable limits. required replacement collision parts . Vehicle license plate number. be original equipment parts, either new Genuine GM parts or recycled Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Service Publications Owner Information ORDER TOLL FREE: 1-800-551-4123 Monday Friday Owner publications are written – Ordering Information 8:00 AM 6:00 PM Eastern Time specifically for owners and intended – (U.S. and Canada Only) to provide basic operational For Credit Card Orders Only Service Manuals information about the vehicle. The (VISA-MasterCard-Discover), see Owner Manual includes the Helm, Inc. at: www.helminc.com. Service Manuals have the diagnosis Maintenance Schedule for all Or write to: and repair information on the models. engines, transmission, axle, Helm, Incorporated suspension, brakes, electrical, In-Portfolio: Includes a Portfolio, Attention: Customer Service steering, body, etc. Owner Manual, and Warranty 47911 Halyard Drive Manual. Service Bulletins Plymouth, MI 48170 RETAIL SELL PRICE: $35.00 – Prices are subject to change without Service Bulletins give additional $40.00 (U.S.) plus handling and notice and without incurring technical service information shipping fees. obligation. Allow ample time for needed to knowledgeably service delivery. General Motors cars and trucks. Without Pouch: Owner Manual only. Each bulletin contains instructions RETAIL SELL PRICE: All listed prices are quoted in U.S. to assist in the diagnosis and $25.00 (U.S.) plus handling and funds. Make checks payable in U.S. service of the vehicle. shipping fees. funds. Current and Past Models Technical Service Bulletins and Manuals are available for current and past model GM vehicles. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Customer Information 341 Radio Frequency Reporting Safety However, NHTSA cannot Statement become involved in individual Defects problems between you, your This vehicle has systems that dealer, or General Motors. operate on a radio frequency that Reporting Safety Defects complies with Part 15/Part 18 of the to the United States To contact NHTSA, you may call Federal Communications the Vehicle Safety Hotline Commission (FCC) rules and with Government toll-free at 1-888-327-4236 Industry Canada Standards If you believe that your vehicle (TTY: 1-800-424-9153); go to RSS-GEN/210/216/220/251/310, has a defect which could cause http://www.safercar.gov; or ICES 001. ‐ a crash or could cause injury or write to: Operation is subject to the following death, you should immediately Administrator, NHTSA two conditions: inform the National Highway 1200 New Jersey Avenue, S.E. 1. The device may not cause Traffic Safety Administration Washington, D.C. 20590 harmful interference. (NHTSA) in addition to notifying You can also obtain other General Motors. 2. The device must accept any information about motor interference received, including If NHTSA receives similar vehicle safety from interference that may cause complaints, it may open an http://www.safercar.gov. undesired operation of the investigation, and if it finds that device. a safety defect exists in a group Changes or modifications to any of of vehicles, it may order a recall these systems by other than an and remedy campaign. authorized service facility could void authorization to use this equipment. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

342 Customer Information Reporting Safety Defects Reporting Safety Defects Vehicle Data to the Canadian to General Motors Recording and Government In addition to notifying NHTSA (or Privacy If you live in Canada, and you Transport Canada) in a situation like believe that the vehicle has a safety this, please notify General Motors. The vehicle has a number of computers that record information defect, notify Transport Canada Call 1-800-521-7300, or write: immediately, and notify General about the vehicle’s performance and Buick Customer Assistance Center Motors of Canada Limited. Call how it is driven. For example, the P.O. Box 33136 Transport Canada at vehicle uses computer modules to Detroit, MI 48232 5136 1-800-333-0510 or write to: – monitor and control engine and In Canada, call 1-800-263-3777 transmission performance, to Transport Canada (English) or 1-800-263-7854 monitor the conditions for airbag Road Safety Branch (French), or write: deployment and deploy them in a 80 rue Noel crash, and, if equipped, to provide Gatineau, QC J8Z 0A1 General Motors of Canada Limited antilock braking to help the driver Customer Care Centre, control the vehicle. These modules Mail Code: CA1-163-005 may store data to help the dealer Oshawa, Ontario L1H 8P7 technician service the vehicle. Some modules may also store data about how the vehicle is operated, such as rate of fuel consumption or average speed. These modules may retain personal preferences, such as radio presets, seat positions, and temperature settings. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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Event Data Recorders These data can help provide a GM will not access these data or better understanding of the share it with others except: with the This vehicle is equipped with an circumstances in which crashes and consent of the vehicle owner or, event data recorder (EDR). The injuries occur. if the vehicle is leased, with the main purpose of an EDR is to Note consent of the lessee; in response record, in certain crash or near to an official request by police or crash-like situations, such as an air EDR data are recorded by your similar government office; as part of bag deployment or hitting a road vehicle only if a non-trivial crash GM's defense of litigation through obstacle, data that will assist in situation occurs; no data are the discovery process; or, as understanding how a vehicle’s recorded by the EDR under normal required by law. Data that GM systems performed. The EDR is driving conditions and no personal collects or receives may also be designed to record data related to data (e.g., name, gender, age, and used for GM research needs or may vehicle dynamics and safety crash location) are recorded. be made available to others for systems for a short period of time, However, other parties, such as law research purposes, where a need is typically 30 seconds or less. The enforcement, could combine the shown and the data is not tied to a EDR in this vehicle is designed to EDR data with the type of specific vehicle or vehicle owner. record such data as: personally identifying data routinely acquired during a crash ® . How various systems in your investigation. OnStar vehicle were operating; If the vehicle is equipped with To read data recorded by an EDR, ® . Whether or not the driver and special equipment is required, and OnStar and has an active passenger safety belts were access to the vehicle or the EDR is subscription, additional data may be buckled/fastened; needed. In addition to the vehicle collected through the OnStar . How far (if at all) the driver was manufacturer, other parties, such as system. This includes information depressing the accelerator and/ law enforcement, that have the about the vehicle’s operation; or brake pedal; and, special equipment, can read the collisions involving the vehicle; the information if they have access to use of the vehicle and its features; . How fast the vehicle was the vehicle or the EDR. and, in certain situations, the traveling. location and approximate GPS speed of the vehicle. Refer to the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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OnStar Terms and Conditions and Privacy Statement on the OnStar website. See OnStar Additional Information 0 349. Infotainment System If the vehicle is equipped with a navigation system as part of the infotainment system, use of the system may result in the storage of destinations, addresses, telephone numbers, and other trip information. See the infotainment manual for information on stored data and for deletion instructions. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

OnStar 345 OnStar Overview Conditions and Privacy Statement OnStar for more details including system limitations at www.onstar.com (U.S.) OnStar Overview or www.onstar.ca (Canada). OnStar Overview ...... 345 The OnStar system status light is next to the OnStar buttons. If the OnStar Services status light is: Emergency ...... 346 Security ...... 346 . Solid Green: System is ready. Navigation ...... 346 = Voice Command Button . Flashing Green: On a call. Connections ...... 347 Q Blue OnStar Button Diagnostics ...... 349 . Red: Indicates a problem. > Red Emergency Button Q OnStar Additional Information . Off: System is off. Press OnStar Additional This vehicle may be equipped with a twice to speak with an OnStar Information ...... 349 comprehensive, in-vehicle system Advisor. that can connect to an OnStar Advisor for Emergency, Security, Press Q or call 1-888-4ONSTAR Navigation, Connections, and (1-888-466-7827) to speak to an Diagnostics Services. OnStar Advisor. services may require a paid Press = to: subscription and data plan. OnStar requires the vehicle battery and . Make a call, end a call, electrical system, cellular service, or answer an incoming call. and GPS satellite signals to be . Give OnStar Hands-Free Calling available and operating. OnStar acts voice commands. as a link to existing emergency service providers. OnStar may . Give OnStar Turn-by-Turn collect information about you and Navigation voice commands. your vehicle, including location information. See OnStar’s Terms & Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

346 OnStar . Obtain the Wi-Fi® hotspot name OnStar Services Security 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 subscription 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. Press > to get a priority connection Navigation to an OnStar Advisor available 24/ With OnStar Crisis Assist, specially OnStar navigation requires a 7 to: trained Advisors are available specific OnStar subscription plan. 24 hours a day, 7 days a week, to . Get help for an emergency. provide a central point of contact, Press Q to receive Turn-by-Turn . Be a Good Samaritan or assistance, and information during a directions or have them sent to the respond to an AMBER Alert. crisis. vehicle’s navigation screen, if equipped. . Get assistance in severe With Roadside Assistance, Advisors weather or other crisis situations can locate a nearby service provider Turn-by-Turn Navigation and find evacuation routes. to help with a flat tire, a battery jump, or an empty gas tank. 1. Press Q to connect to an Advisor. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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2. Request directions to be 2. Say “Repeat.” System Connections downloaded to the vehicle. responds with the last direction given, then responds with The following OnStar services help 3. Follow the voice-guided with staying connected. commands. “OnStar ready,” then a tone. Get My Destination For coverage maps, see Using Voice Commands www.onstar.com (U.S.) or During a Planned Route 1. Press =. System responds: www.onstar.ca (Canada). OnStar ready, then a tone. Cancel Route “ ” Ensuring Security 2. Say “Get my destination.” . Change the default passwords 1. Press =. System responds: System responds with the “OnStar ready,” then a tone. for the Wi-Fi hotspot and address and distance to the RemoteLink mobile application. 2. Say “Cancel route.” System destination, then responds with Make these passwords different responds: “Do you want to “OnStar ready,” then a tone. from each other and use a cancel directions?” Destination Download combination of letters, numbers, and symbols to increase the 3. Say “Yes.” System responds: Subscribers can have directions OK, request completed, thank security. “ sent to the vehicle’s navigation you, goodbye.” screen, if equipped. . Change the default name of the Route Preview SSID (Service Set Indentifier). Press Q, then ask the Advisor to This is your network’s name that 1. Press =. System responds: download directions to the vehicle’s is visible to other wireless “OnStar ready,” then a tone. navigation system, if equipped. After devices. Choose a unique name the call ends, the navigation screen and avoid family names or 2. Say Route preview. System “ ” will provide prompts to begin driving vehicle descriptions. responds with the next three directions. Routes that are sent to ® maneuvers. the navigation screen can only be OnStar Wi-Fi Hotspot (If Equipped) Repeat canceled through the navigation system. The vehicle may have a built-in 1. Press =. System responds: See www.onstar.com (U.S.) or Wi-Fi hotspot that provides access OnStar ready, then a tone. “ ” www.onstar.ca (Canada). to the Internet and web content at Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

348 OnStar

4G LTE speed. Up to seven mobile OnStar Subscribers can access the Remote Services devices can be connected. A data following services from a mobile Contact an OnStar Advisor to plan is required. Use the in-vehicle device: unlock the doors or sound the horn controls only when it is safe to . Remotely start/stop the vehicle, and flash the lamps. do so. if factory-equipped. OnStar AtYourService 1. To retrieve Wi-Fi hotspot . Lock/unlock doors, if equipped information, press =, wait for with automatic locks. OnStar Advisors can provide special the prompt, then say “Wi-Fi offers from restaurants and retailers . Activate the horn and lamps. settings.” On some vehicles, on your route, help locate hotels, touch Wi-Fi Settings on the . Check the vehicle’s fuel level, oil or book a room. screen. life, or tire pressure, OnStar Hands-Free Calling 2. The Wi-Fi settings will display if factory-equipped with the Tire the Wi-Fi hotspot name (SSID), Pressure Monitor System. Make and receive calls with the password, and on some . Send directions to the vehicle. built-in wireless calling service, which requires available minutes. vehicles, the connection type . Locate the vehicle on a map (no Internet connection, 3G, (U.S. market only). Make a Call 4G, 4G LTE), and signal quality (poor, good, excellent). . Turn the vehicle's Wi-Fi hotspot 1. Press =. System responds: on/off, manage settings, and “OnStar ready.” 3. To change the SSID or monitor data consumption, 2. Say “Call.” System responds: password, press Q or call if equipped. 1-888-4ONSTAR to connect “Call. Please say the name or For OnStar RemoteLink information with an Advisor. number to call.” and compatibility, see 3. Say the entire number without OnStar RemoteLink® Mobile App www.onstar.com (U.S.) or pausing, including a “1” and the (If Equipped) www.onstar.ca (Canada). area code. System responds: Download the OnStar RemoteLink “OK, calling.” mobile app to select Apple® iOS, Android™, BlackBerry®, or Windows® mobile devices. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

OnStar 349 Calling 911 Emergency Verify Minutes and Expiration OnStar Additional 1. Press =. System responds: Press = and say “Minutes” then Information “OnStar ready.” “Verify” to check how many minutes remain and their expiration date. In-Vehicle Audio Messages 2. Say “Call.” System responds: “Call. Please say the name or Audio messages may play important number to call.” Diagnostics information at the following times: 3. Say “911” without pausing. Advanced Diagnostics provides a . Prior to vehicle purchase. Press System responds: “911.” status of the vehicle’s key systems Q to set up an account. with a monthly e-mail, or by 4. Say “Call.” System responds: . With the OnStar Basic Plan, pressing Q. Real-time Diagnostic “OK, dialing 911.” every 60 days. Alerts can be sent by e-mail or text. Retrieve My Number The Proactive Alerts feature (if . After change in ownership and available) can help predict and alert at 90 days. 1. Press =. System responds: of potential upcoming maintenance Transferring Service “OnStar ready.” issues with select components on 2. Say “My number.” System the vehicle, before they become a Press Q to request account transfer responds: “Your OnStar problem. eligibility information. The Advisor Hands-Free Calling number is,” OnStar can also monitor and report can cancel or change account then says the number. tire pressure, if the vehicle is information. End a Call equipped with a Tire Pressure Selling/Transferring the Monitoring System. Vehicle Press =. System responds: “Call ended.” Call 1-888-4ONSTAR (1-888-466-7827) immediately to terminate your OnStar services if the vehicle is disposed of, sold, transferred, or if the lease ends. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

350 OnStar

Reactivation for Subsequent . Press Q to speak with an See Radio Frequency 0 Owners Advisor. Statement 341. Press Q and follow the prompts to OnStar services cannot work unless Services for People with speak to an Advisor as soon as the vehicle is in a place where Disabilities OnStar has an agreement with a possible. The Advisor will update Advisors provide services to help wireless service provider for service vehicle records and explain OnStar Subscribers with physical disabilities in that area. The wireless service service options. and medical conditions. provider must also have coverage, How OnStar Service Works network capacity, reception, and Press Q to help: Automatic Crash Response, technology compatible with OnStar services. Service involving location . Locate a gas station with an Emergency Services, Crisis Assist, attendant to pump gas. Stolen Vehicle Assistance, information about the vehicle cannot Advanced Diagnostics, Remote work unless GPS signals are . Find a hotel, restaurant, etc., Services, Roadside Assistance, available, unobstructed, and that meets accessibility needs. compatible with the OnStar Turn-by-Turn Navigation, and . Provide directions to the closest hardware. OnStar services may not Hands-Free Calling are available on hospital or pharmacy in urgent work if the OnStar equipment is not most vehicles. Not all OnStar situations. services are available everywhere properly installed or it has not been or on all vehicles. For more properly maintained. If equipment or TTY Users software is added, connected, information, a full description of OnStar has the ability to OnStar services, system limitations, or modified, OnStar services may not work. Other problems beyond communicate to deaf, and OnStar terms and conditions: hard-of-hearing, or speech-impaired the control of OnStar — such as . Call 1-888-4ONSTAR hills, tall buildings, tunnels, weather, customers while in the vehicle. The (1-888-466-7827). electrical system design and available dealer-installed TTY system can provide in-vehicle . See www.onstar.com (U.S.). architecture of the vehicle, damage to the vehicle in a crash, or wireless access to all OnStar services, . See www.onstar.ca (Canada). phone network congestion or except Virtual Advisor and OnStar Turn-by-Turn Navigation. . Call TTY 1-877-248-2080. jamming — may prevent service. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

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OnStar Personal Identification vehicle has not been started for Cellular and GPS Antennas five days, OnStar can contact Number (PIN) Cellular reception is required for Roadside Assistance or a locksmith OnStar to send remote signals to A PIN is needed to access some to help gain access to the vehicle. OnStar services. The PIN will need the vehicle. Do not place items over to be changed the first time when Global Positioning or near the antenna to prevent speaking with an Advisor. To System (GPS) blocking cellular and GPS signal change the OnStar PIN, contact an reception. . Obstruction of the GPS can OnStar Advisor by pressing Q or occur in a large city with tall Unable to Connect to OnStar calling 1-888-4ONSTAR. buildings; in parking garages; Message around airports; in tunnels and Warranty If there is limited cellular coverage underpasses; or in an area with or the cellular network has reached OnStar equipment may be very dense trees. If GPS signals maximum capacity, this message warranted as part of the vehicle are not available, the OnStar warranty. system should still operate to may come on. Press Q to try the call again or try again after driving a Languages call OnStar. However, OnStar could have difficulty identifying few miles into another cellular area. The vehicle can be programmed to the exact location. respond in multiple languages. Vehicle and Power Issues . In emergency situations, OnStar OnStar services require a vehicle Press Q and ask for an Advisor. can use the last stored GPS electrical system, wireless service, Advisors are available in English, location to send to emergency and GPS satellite technologies to be Spanish, and French. Available responders. languages may vary by country. available and operating for features A temporary loss of GPS can cause to function properly. These systems Potential Issues loss of the ability to send a may not operate if the battery is Turn-by-Turn Navigation route. The OnStar cannot perform Remote discharged or disconnected. Advisor may give a verbal route or Door Unlock or Stolen Vehicle may ask for a call back after the Assistance after the vehicle has vehicle is driven into an open area. been off continuously for five days without an ignition cycle. If the Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

352 OnStar

Add-on Electrical Equipment statement or separately disclosed at may unlawfully intercept or access the time of installation. These transmissions and private The OnStar system is integrated updates or changes may also cause communications without consent. into the electrical architecture of the a system to automatically vehicle. Do not add any electrical communicate with GM servers to OnStar - Software equipment. See Add-On Electrical collect information about vehicle Acknowledgements Equipment 0 225. Added electrical system status, identify whether equipment may interfere with the Certain OnStar components include updates or changes are available, operation of the OnStar system and libcurl and unzip software and other or deliver updates or changes. An cause it to not operate. third party software. Below are the active OnStar agreement constitutes notices and licenses associated with Vehicle Software Updates consent to these software updates libcurl and unzip and for other third or changes and agreement that OnStar or GM may remotely deliver party software please see http:// either OnStar or GM may remotely www.lg.com/global/support/ software updates or changes to the deliver them to the vehicle. vehicle without further notice or opensource/index and https:// consent. These updates or changes Privacy www.onstar.com/us/en/support/ may enhance or maintain safety, getdocuments.html The complete OnStar Privacy security, or the operation of the Statement may be found at libcurl: vehicle or the vehicle systems. www.onstar.com (U.S.), Software updates or changes may COPYRIGHT AND PERMISSION or www.onstar.ca (Canada). We affect or erase data or settings that NOTICE recommend that you review it. If you are stored in the vehicle, such as Copyright (c) 1996 - 2010, Daniel have any questions, call OnStar Hands-Free Calling name Stenberg, . 1-888-4ONSTAR (1-888-466-7827) tags, saved navigation destinations, All rights reserved. or pre-set radio stations. Neither or press Q to speak with an OnStar nor GM is responsible for Advisor. Users of wireless Permission to use, copy, modify, any affected or erased data or communications are cautioned that and distribute this software for any settings. These updates or changes the privacy of any information sent purpose with or without fee is may also collect personal via wireless cellular communications hereby granted, provided that the information. Such collection is cannot be assured. Third parties described in the OnStar privacy Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

OnStar 353

above copyright notice and this unzip: This software is provided “as is,” permission notice appear in all This is version 2005-Feb-10 of without warranty of any kind, copies. the Info-ZIP copyright and license. express or implied. In no event shall THE SOFTWARE IS PROVIDED The definitive version of this Info-ZIP or its contributors be held liable for any direct, indirect, “AS IS,” WITHOUT WARRANTY OF document should be available ANY KIND, EXPRESS OR at ftp://ftp.info-zip.org/pub/infozip/ incidental, special or consequential IMPLIED, INCLUDING BUT NOT license.html indefinitely. damages arising out of the use of or inability to use this software. LIMITED TO THE WARRANTIES Copyright (c) 1990-2005 Info-ZIP. All OF MERCHANTABILITY, FITNESS rights reserved. Permission is granted to anyone to FOR A PARTICULAR PURPOSE use this software for any purpose, AND NONINFRINGEMENT OF For the purposes of this copyright including commercial applications, THIRD PARTY RIGHTS. IN NO and license, “Info-ZIP” is defined as and to alter it and redistribute it EVENT SHALL THE AUTHORS OR the following set of individuals: freely, subject to the following COPYRIGHT HOLDERS BE Mark Adler, John Bush, Karl Davis, restrictions: LIABLE FOR ANY CLAIM, Harald Denker, Jean-Michel Dubois, 1. Redistributions of source code DAMAGES OR OTHER LIABILITY, Jean-loup Gailly, Hunter Goatley, Ed must retain the above copyright WHETHER IN AN ACTION OF Gordon, Ian Gorman, Chris notice, definition, disclaimer, CONTRACT, TORT OR Herborth, Dirk Haase, Greg Hartwig, and this list of conditions. OTHERWISE, ARISING FROM, Robert Heath, Jonathan Hudson, OUT OF OR IN CONNECTION Paul Kienitz, David Kirschbaum, 2. Redistributions in binary form WITH THE SOFTWARE OR THE Johnny Lee, Onno van der Linden, (compiled executables) must USE OR OTHER DEALINGS IN Igor Mandrichenko, Steve P. Miller, reproduce the above copyright THE SOFTWARE. Sergio Monesi, Keith Owens, notice, definition, disclaimer, and this list of conditions in Except as contained in this notice, George Petrov, Greg Roelofs, Kai Uwe Rommel, Steve Salisbury, documentation and/or other the name of a copyright holder shall materials provided with the not be used in advertising or Dave Smith, Steven M. Schweda, Christian Spieler, Cosmin Truta, distribution. The sole exception otherwise to promote the sale, use to this condition is redistribution or other dealings in this Software Antoine Verheijen, Paul von Behren, Rich Wales, Mike White. of a standard UnZipSFX binary without prior written authorization of (including SFXWiz) as part of a the copyright holder. Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

354 OnStar

self-extracting archive; that is the Zip-Bugs or Info-ZIP e-mail permitted without inclusion of addresses or of the this license, as long as the Info-ZIP URL(s). normal SFX banner has not 4. Info-ZIP retains the right to use been removed from the binary the names “Info-ZIP,”“Zip,” or disabled. “UnZip,”“UnZipSFX,”“WiZ,” 3. Altered versions–including, but “Pocket UnZip,”“Pocket Zip,” not limited to, ports to new and “MacZip” for its own operating systems, existing source and binary releases. ports with new graphical interfaces, and dynamic, shared, or static library versions–must be plainly marked as such and must not be misrepresented as being the original source. Such altered versions also must not be misrepresented as being Info-ZIP releases–including, but not limited to, labeling of the altered versions with the names “Info-ZIP” (or any variation thereof, including, but not limited to, different capitalizations), “Pocket UnZip,”“WiZ” or “MacZip” without the explicit permission of Info-ZIP. Such altered versions are further prohibited from misrepresentative use of Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Index 355 Index A Airbag System (cont'd) Accessories and What Will You See after an Modifications ...... 228 Airbag Inflates? ...... 70 Accessory Power ...... 183 When Should an Airbag Adaptive Cruise Control ...... 197 Inflate? ...... 68 Adaptive Forward Where Are the Airbags? ...... 67 Lighting (AFL) ...... 150 Airbags Adaptive Forward Lighting Adding Equipment to the (AFL) Light ...... 120 Vehicle ...... 76 Add-On Electrical Equipment . . . 225 Passenger Status Indicator . . . .112 Additional Information Readiness Light ...... 112 OnStar® ...... 349 Servicing Airbag-Equipped Additional Maintenance Vehicles ...... 75 and Care ...... 320 System Check ...... 65 Adjustments Alarm Lumbar, Front Seats ...... 53 Vehicle Security ...... 40 Air Cleaner/Filter, Engine ...... 239 Alert Air Filter, Passenger Lane Change ...... 211 Compartment ...... 162 Side Blind Zone (SBZA) ...... 211 Air Intake ...... 162 All-Season Tires ...... 265 Air Vents ...... 161 All-Wheel Drive ...... 189, 251 Airbag System Antilock Brake System (ABS) . . . 189 Check ...... 76 Warning Light ...... 117 How Does an Airbag Appearance Care Restrain? ...... 69 Exterior ...... 304 Passenger Sensing System . . . .71 Interior ...... 308 What Makes an Airbag Armrest Inflate? ...... 69 Rear Seat ...... 59 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

356 Index

Assistance Program, Brakes (cont'd) California Roadside ...... 334 Assist ...... 192 Proposition Assistance Systems for Fluid ...... 249 65 Warning ...... 227, 250, Driving ...... 207 Parking ...... 190 297, 298 Assistance Systems for System Messages ...... 130 Canadian Vehicle Owners ...... 2 Parking and Backing ...... 205 Braking ...... 165 Capacities and Automatic Break-In, New Vehicle ...... 174 Specifications ...... 327 Door Locks ...... 37 Bulb Replacement ...... 257 Carbon Monoxide Headlamp System ...... 149 Fog Lamps ...... 151 Engine Exhaust ...... 185 Transmission ...... 186 Halogen Bulbs ...... 254 Trunk ...... 38 Transmission Fluid ...... 239 Headlamp Aiming ...... 254 Winter Driving ...... 169 Automatic Transmission Headlamps ...... 254 Caution, Danger, and Warning . . . . 2 Manual Mode ...... 188 Headlamps, Front Turn Center Console Storage ...... 99 Shift Lock Control Function Signal, and Parking Chains, Tire ...... 283 Check ...... 252 Lamps ...... 255 Charging System Light ...... 113 High Intensity Discharge Check B (HID) Lighting ...... 254 Ignition Transmission Lock . . . 252 Battery License Plate Lamps ...... 256 Malfunction Indicator Load Management ...... 154 Taillamps, Turn Signal, Engine Light ...... 114 Power Protection ...... 155 Stoplamps, and Back-up Child Restraints Voltage and Charging Lamps ...... 256 Infants and Young Children . . . . .79 Messages ...... 130 Buying New Tires ...... 279 Lower Anchors and Tethers Battery - North for Children ...... 84 America ...... 250, 297, 298 C Older Children ...... 77 Blade Replacement, Wiper . . . . . 253 Calibration ...... 103 Securing ...... 91, 93 Brake California Systems ...... 81 System Warning Light ...... 115 Fuel Requirements ...... 216 Circuit Breakers ...... 258 Brakes ...... 248 Perchlorate Materials Antilock ...... 189 Requirements ...... 228 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Index 357

Cleaning Cooling System (cont'd) Differential, Limited-Slip ...... 194 Exterior Care ...... 304 Engine Messages ...... 132 Distracted Driving ...... 164 Interior Care ...... 308 Courtesy Transportation Dome Lamps ...... 152 Climate Control Systems Program ...... 336 Door Dual Automatic ...... 157 Cruise Control ...... 195 Ajar Light ...... 121 Clock ...... 103 Light ...... 121 Ajar Messages ...... 132 Cluster, Instrument ...... 106 Messages ...... 131 Delayed Locking ...... 36 Collision Damage Repair ...... 337 Cruise Control, Adaptive ...... 197 Locks ...... 35 Compact Spare Tire ...... 296 Cupholders ...... 97 Power Locks ...... 36 Compartments Customer Assistance ...... 333 Drive Belt Routing, Engine ...... 329 Storage ...... 97 Offices ...... 332 Drive Systems Compass ...... 103 Text Telephone (TTY) All-Wheel Drive ...... 189, 251 Messages ...... 131 Users ...... 333 Driver Assistance Systems . . . . . 204 Compressor Kit, Tire Sealant . . . 285 Customer Information Driver Information Connections Service Publications Center (DIC) ...... 123 OnStar® ...... 347 Ordering Information ...... 340 Driving Control Customer Satisfaction Assistance Systems ...... 207 Traction and Electronic Procedure ...... 330 Characteristics and Stability ...... 192 D Towing Tips ...... 220 Control of a Vehicle ...... 165 Defensive ...... 165 Damage Repair, Collision ...... 337 Convenience Net ...... 99 Drunk ...... 165 Danger, Warning, and Caution . . . . 2 Convex Mirrors ...... 43 For Better Fuel Economy ...... 25 Data Recorders, Event ...... 343 Coolant Hill and Mountain Roads ...... 168 Daytime Running Engine ...... 243 If the Vehicle is Stuck ...... 170 Lamps (DRL) ...... 149 Engine Temperature Gauge . . .111 Loss of Control ...... 167 Defensive Driving ...... 165 Engine Temperature Off-Road Recovery ...... 167 Delayed Locking ...... 36 Warning Light ...... 118 Vehicle Load Limits ...... 171 Diagnostics Cooling System ...... 242 Wet Roads ...... 168 OnStar® ...... 349 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

358 Index

Driving (cont'd) Engine (cont'd) F Winter ...... 169 Coolant Temperature Features Dual Automatic Climate Warning Light ...... 118 Memory ...... 12 Control System ...... 157 Cooling System ...... 242 Filter, E Cooling System Messages . . . 132 Engine Air Cleaner ...... 239 Drive Belt Routing ...... 329 E85 or FlexFuel ...... 217 Flash-to-Pass ...... 149 Exhaust ...... 185 Electric Parking Brake Light . . . . 116 Flashers, Hazard Warning ...... 151 Heater ...... 181 Electrical Equipment, Flat Tire ...... 284 Oil Life System ...... 238 Add-On ...... 225 Changing ...... 291 Oil Messages ...... 133 Electrical System FlexFuel Oil Pressure Light ...... 119 Engine Compartment Fuse E85 ...... 217 Overheated Protection Block ...... 259 Floor Mats ...... 311 Operating Mode ...... 246 Fuses and Circuit Breakers . . . 258 Fluid Overheating ...... 245 Instrument Panel Fuse Automatic Transmission ...... 239 Power Messages ...... 133 Block ...... 262 Brakes ...... 249 Running While Parked ...... 186 Overload ...... 257 Power Steering ...... 247 Starting ...... 178 Emergency Washer ...... 247 Entry Lighting ...... 153 OnStar® ...... 346 Fog Lamps Equipment, Towing ...... 224 Energy Information ...... 123 Bulb Replacement ...... 151 Event Data Recorders ...... 343 Engine Folding Mirrors ...... 44 Exit Lighting ...... 154 Air Cleaner/Filter ...... 239 Forward Collision Alert Extender, Safety Belt ...... 64 Check and Service Engine (FCA) System ...... 208 Exterior Lamp Controls ...... 148 Soon Light ...... 114 Frequency Statement Exterior Lamps Off Reminder . . . 149 Compartment Overview ...... 231 Radio ...... 341 Coolant ...... 243 Front Automatic Braking Coolant Temperature (FAB) System ...... 210 Gauge ...... 111 Front Fog Lamp Light ...... 121 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Index 359

Front Seats Gauges (cont'd) Headlamps (cont'd) Adjustment ...... 52 Odometer ...... 109 High Intensity Discharge Heated and Ventilated ...... 56 Speedometer ...... 109 (HID) Lighting ...... 254 Front Storage ...... 98 Tachometer ...... 109 High-Beam On Light ...... 120 Fuel ...... 215 Warning Lights and High/Low Beam Changer . . . . . 149 Additives ...... 216 Indicators ...... 105 Lamps On Reminder ...... 121 Economy Driving ...... 25 General Information Heated Filling a Portable Fuel Service and Maintenance . . . . . 313 Steering Wheel ...... 101 Container ...... 219 Towing ...... 220 Heated and Ventilated Front Filling the Tank ...... 217 Vehicle Care ...... 227 Seats ...... 56 Foreign Countries ...... 216 Glove Box ...... 97 Heated Mirrors ...... 44 Gauge ...... 110 GM Mobility Reimbursement Heater Low Fuel Warning Light ...... 120 Program ...... 334 Engine ...... 181 Requirements, California . . . . . 216 H High Voltage Devices and System Messages ...... 133 Wiring ...... 257 Halogen Bulbs ...... 254 Fuses High-Beam On Light ...... 120 Hazard Warning Flashers ...... 151 Engine Compartment Fuse High-Speed Operation ...... 272 Head Restraints ...... 50 Block ...... 259 Hill and Mountain Roads ...... 168 Head-up Display ...... 126 Fuses and Circuit Breakers . . . 258 Hill Start Assist (HSA) ...... 192 Headlamps Instrument Panel Fuse Hood ...... 230 Adaptive Forward Block ...... 262 Horn ...... 102 Lighting (AFL) ...... 150 How to Wear Safety Belts G Aiming ...... 254 Properly ...... 60 Garage Door Opener ...... 145 Automatic ...... 149 Programming ...... 145 Bulb Replacement ...... 254 I Gauges Daytime Running Ignition Positions ...... 175, 176 Engine Coolant Lamps (DRL) ...... 149 Ignition Transmission Lock Temperature ...... 111 Flash-to-Pass ...... 149 Check ...... 252 Fuel ...... 110 Immobilizer ...... 41 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

360 Index

Indicator Lamps (cont'd) Lighting (cont'd) Vehicle Ahead ...... 117 Headlamps, Front Turn Exit ...... 154 Infants and Young Children, Signal, and Parking Illumination Control ...... 152 Restraints ...... 79 Lamps ...... 255 LED ...... 254 Information License Plate ...... 256 Lights ...... 117 Energy ...... 123 Malfunction Indicator ...... 114 Airbag Readiness ...... 112 Infotainment ...... 156 Messages ...... 134 Antilock Brake System Infotainment System ...... 344 On Reminder ...... 121 (ABS) Warning ...... 117 Instrument Cluster ...... 106 Reading ...... 153 Brake System Warning ...... 115 Interior Rearview Mirrors ...... 44 Sun Visor ...... 153 Charging System ...... 113 Introduction ...... 2 Lane Change Alert (LCA) ...... 211 Cruise Control ...... 121 Lane Departure Door Ajar ...... 121 J Warning (LDW) ...... 213 Electric Parking Brake ...... 116 Jump Starting - North Lane Departure Warning Engine Coolant America ...... 297, 298 Light ...... 117 Temperature Warning ...... 118 K Lap-Shoulder Belt ...... 61 Engine Oil Pressure ...... 119 Key and Lock Messages ...... 133 LATCH System Flash-to-Pass ...... 149 Keyless Entry Replacing Parts after a Front Fog Lamp ...... 121 Remote (RKE) System ...... 28 Crash ...... 91 High-Beam On ...... 120 Keys ...... 26 LATCH, Lower Anchors and High/Low Beam Changer . . . . . 149 L Tethers for Children ...... 84 Lane Departure Warning ...... 117 Labeling, Tire Sidewall ...... 266 LED Lighting ...... 254 Low Fuel Warning ...... 120 Lamps Light Safety Belt Reminders ...... 111 Daytime Running (DRL) ...... 149 Adaptive Forward Lighting Security ...... 120 Dome ...... 152 (AFL) Light ...... 120 Service Electric Parking Lighting Brake ...... 116 Exterior Controls ...... 148 ® Exterior Lamps Off Adaptive Forward ...... 150 StabiliTrak OFF ...... 118 Reminder ...... 149 Entry ...... 153 Tire Pressure ...... 119 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Index 361

Lights (cont'd) Manual Mode ...... 188 Mirrors Traction Control System Memory Features ...... 12 Automatic Dimming (TCS)/StabiliTrak® ...... 118 Memory Seats ...... 55 Rearview ...... 45 Traction Off ...... 117 Messages Convex ...... 43 Limited-Slip Differential ...... 194 Airbag System ...... 137 Folding ...... 44 Locks Battery Voltage and Heated ...... 44 Automatic Door ...... 37 Charging ...... 130 Manual Rearview ...... 44 Delayed Locking ...... 36 Brake System ...... 130 Power ...... 43 Door ...... 35 Compass ...... 131 Tilt in Reverse ...... 44 Lockout Protection ...... 37 Door Ajar ...... 132 Mirrors, Interior Rearview ...... 44 Power Door ...... 36 Engine Cooling System ...... 132 Monitor System, Tire Safety ...... 37 Engine Oil ...... 133 Pressure ...... 273 Loss of Control ...... 167 Engine Power ...... 133 N Low Fuel Warning Light ...... 120 Fuel System ...... 133 Navigation Lower Anchors and Tethers Key and Lock ...... 133 OnStar® ...... 346 for Children (LATCH Lamp ...... 134 Net, Convenience ...... 99 System) ...... 84 Object Detection System . . . . . 134 New Vehicle Break-In ...... 174 Lumbar Adjustment ...... 53 Ride Control System ...... 136 Front Seats ...... 53 Security ...... 137 O Object Detection System M Service Vehicle ...... 137 Starting the Vehicle ...... 137 Messages ...... 134 Maintenance Tire ...... 137 Odometer ...... 109 Records ...... 325 Transmission ...... 138 Off-Road Maintenance and Care Vehicle ...... 130 Recovery ...... 167 Additional ...... 320 Vehicle Speed ...... 138 Oil Maintenance Schedule ...... 314 Window ...... 138 Engine ...... 236 Recommended Fluids and Engine Oil Life System ...... 238 Lubricants ...... 323 Messages ...... 133 Malfunction Indicator Lamp . . . . . 114 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

362 Index

Oil (cont'd) Parking Privacy Pressure Light ...... 119 Brake ...... 190 Vehicle Data Recording ...... 342 Older Children, Restraints ...... 77 Brake and P (Park) Program Online Owner Center ...... 333 Mechanism Check ...... 252 Courtesy Transportation ...... 336 OnStar ...... 343 Over Things That Burn ...... 185 Proposition OnStar® Additional Parking or Backing 65 Warning, Information ...... 349 Assistance Systems ...... 205 California ...... 227, 250, OnStar® Connections ...... 347 Passenger Airbag Status 297, 298 ® OnStar Diagnostics ...... 349 Indicator ...... 112 R OnStar® Emergency ...... 346 Passenger Compartment Air ® Radio Frequency Statement . . . . 341 OnStar Navigation ...... 346 Filter ...... 162 Reading Lamps ...... 153 OnStar® Overview ...... 345 Passenger Sensing System . . . . . 71 ® Rear Seat Armrest ...... 59 OnStar Security ...... 346 Perchlorate Materials Rear Seats ...... 58 Operating Mode Requirements, California ...... 228 Rear Window Sunshade ...... 47 Overheated Engine Personalization Rearview Mirrors ...... 44 Protection ...... 246 Vehicle ...... 139 Automatic Dimming ...... 45 Ordering Power Reclining Seatbacks ...... 54 Service Publications ...... 340 Door Locks ...... 36 Recommended Fluids and Outlets Flows ...... 122 Lubricants ...... 323 Power ...... 103 Mirrors ...... 43 Records Overheated Engine Outlets ...... 103 Maintenance ...... 325 Protection Operating Mode . . . . 246 Protection, Battery ...... 155 Recreational Vehicle Towing . . . . 301 Overheating, Engine ...... 245 Retained Accessory (RAP) . . . 183 Reimbursement Program, P Seat Adjustment ...... 53 GM Mobility ...... 334 Steering Fluid ...... 247 Park Remote Keyless Entry (RKE) Windows ...... 45 Shifting Into ...... 183 System ...... 28 Pregnancy, Using Safety Belts . . . 64 Shifting Out of ...... 184 Remote Vehicle Start ...... 34 Replacement Bulbs ...... 257 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Index 363

Replacement Parts Rotation, Tires ...... 277 Seats (cont'd) Airbags ...... 77 Routing, Engine Drive Belt ...... 329 Power Adjustment, Front ...... 53 Maintenance ...... 324 Running the Vehicle While Rear ...... 58 Replacing Airbag System ...... 77 Parked ...... 186 Reclining Seatbacks ...... 54 Securing Child Restraints . . . . 91, 93 Replacing LATCH System S Parts after a Crash ...... 91 Security Safety Belts ...... 59 Replacing Safety Belt System Light ...... 120 Care ...... 64 Parts after a Crash ...... 65 Messages ...... 137 Extender ...... 64 Reporting Safety Defects OnStar® ...... 346 How to Wear Safety Belts Canadian Government ...... 342 Vehicle ...... 40 Properly ...... 60 General Motors ...... 342 Vehicle Alarm ...... 40 Lap-Shoulder Belt ...... 61 U.S. Government ...... 341 Selective Ride Control ...... 194 Reminders ...... 111 Restraints Service ...... 162 Replacing after a Crash ...... 65 Where to Put ...... 83 Accessories and Use During Pregnancy ...... 64 Retained Accessory Modifications ...... 228 Safety Defects Reporting Power (RAP) ...... 183 Doing Your Own Work ...... 229 Canadian Government ...... 342 Reverse Tilt Mirrors ...... 44 Engine Soon Light ...... 114 General Motors ...... 342 Ride Control Systems Maintenance Records ...... 325 U.S. Government ...... 341 Enhanced Traction Maintenance, General Safety Locks ...... 37 System (ETS) ...... 194 Information ...... 313 Safety System Check ...... 64 Messages ...... 136 Parts Identification Label . . . . . 326 Scheduling Appointments ...... 336 Selective ...... 194 Publications Ordering Sealant Kit, Tire ...... 285 Roads Information ...... 340 Seats Driving, Wet ...... 168 Scheduling Appointments . . . . . 336 Adjustment, Front ...... 52 Roadside Assistance Vehicle Messages ...... 137 Head Restraints ...... 50 Program ...... 334 Service Electric Parking Heated and Ventilated Front . . . .56 Roof Brake Light ...... 116 Lumbar Adjustment, Front ...... 53 Sunroof ...... 47 Memory ...... 55 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

364 Index

Services Steering (cont'd) Systems Special Application ...... 320 Heated Wheel ...... 101 Driver Assistance ...... 204 Wheel Adjustment ...... 101 Servicing the Airbag ...... 75 T Shift Lock Control Function Wheel Controls ...... 101 Tachometer ...... 109 Check, Automatic Stoplamps and Back-up Lamps Taillamps Transmission ...... 252 Bulb Replacement ...... 256 Bulb Replacement ...... 256 Shifting Storage Areas Text Telephone (TTY) Users . . . . 333 Into Park ...... 183 Center Console ...... 99 Theft-Deterrent Systems . . . . . 41, 42 Out of Park ...... 184 Convenience Net ...... 99 Immobilizer ...... 41 Side Blind Zone Alert (SBZA) . . . 211 Front ...... 98 Time ...... 103 Signals, Turn and Glove Box ...... 97 Tires ...... 264 Lane-Change ...... 151 Sunglasses ...... 98 All-Season ...... 265 Spare Tire Storage Compartments ...... 97 Buying New Tires ...... 279 Compact ...... 296 Storing the Tire Sealant and Chains ...... 283 Special Application Services . . . . 320 Compressor Kit ...... 291 Changing ...... 291 Specifications and Stuck Vehicle ...... 170 Compact Spare ...... 296 Capacities ...... 327 Summer Tires ...... 265 Designations ...... 268 Speedometer ...... 109 Sun Visor Lamps ...... 153 Different Size ...... 280 StabiliTrak Sun Visors ...... 47 If a Tire Goes Flat ...... 284 OFF Light ...... 118 Sunglass Storage ...... 98 Inspection ...... 277 Start Assist, Hills ...... 192 Sunroof ...... 47 Messages ...... 137 Start Vehicle, Remote ...... 34 Sunshade Pressure ...... 272 Starter Switch Check ...... 251 Rear Window ...... 47 Pressure Light ...... 119 Starting the Engine ...... 178 Symbols ...... 3 Pressure Monitor Operation . . 274 Starting the Vehicle System Pressure Monitor System . . . . . 273 Messages ...... 137 Forward Collision Rotation ...... 277 Steering ...... 166 Alert (FCA) ...... 208 Sealant and Fluid, Power ...... 247 Infotainment ...... 156, 344 Compressor Kit ...... 285 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

Index 365

Tires (cont'd) Trailer Vehicle (cont'd) Sealant and Compressor Towing ...... 222, 224 Personalization ...... 139 Kit, Storing ...... 291 Transmission Remote Start ...... 34 Sidewall Labeling ...... 266 Automatic ...... 186 Security ...... 40 Terminology and Definitions . . 268 Fluid, Automatic ...... 239 Speed Messages ...... 138 Uniform Tire Quality Messages ...... 138 Towing ...... 301 Grading ...... 281 Transportation Program, Vehicle Ahead Indicator ...... 117 Wheel Alignment and Tire Courtesy ...... 336 Vehicle Care Balance ...... 282 Trunk ...... 38 Storing the Tire Sealant Wheel Replacement ...... 282 Turn and Lane-Change and Compressor Kit ...... 291 When It Is Time for New Signals ...... 151 Tire Pressure ...... 271 Tires ...... 278 Turn Signal Vehicle Data Recording and Winter ...... 265 Bulb Replacement ...... 256 Privacy ...... 342 Towing Ventilation, Air ...... 161 U Driving Characteristics ...... 220 Visors ...... 47 Uniform Tire Quality Grading . . . 281 Equipment ...... 224 Voltage Devices and Wiring . . . . 257 Universal Remote System ...... 145 General Information ...... 220 Operation ...... 147 W Recreational Vehicle ...... 301 Programming ...... 145 Warning Trailer ...... 222, 224 Using This Manual ...... 2 Brake System Light ...... 115 Vehicle ...... 301 Caution and Danger ...... 2 Traction V Lane Departure (LDW) ...... 213 Control System (TCS)/ Vehicle Warning Lights, Gauges, and StabiliTrak® Light ...... 118 Alarm System ...... 40 Indicators ...... 105 Limited-Slip Differential ...... 194 Canadian Owners ...... 2 Warnings Off Light ...... 117 Control ...... 165 Hazard Flashers ...... 151 Selective Ride Control ...... 194 Identification Number (VIN) . . . 326 Washer Fluid ...... 247 Traction Control/Electronic Load Limits ...... 171 Wheels Stability Control ...... 192 Messages ...... 130 Alignment and Tire Balance . . 282 Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico- 9159288) - 2016 - CRC - 10/5/15

366 Index

Wheels (cont'd) Different Size ...... 280 Replacement ...... 282 When It Is Time for New Tires ...... 278 Where to Put the Restraint ...... 83 Windows ...... 45 Messages ...... 138 Power ...... 45 Windshield Replacement ...... 253 Wiper/Washer ...... 102 Winter Driving ...... 169 Winter Tires ...... 265 Wiper Blade Replacement ...... 253 Wiring, High Voltage Devices . . . 257