index BUICK LACROSSE 2019 User Guide

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
Vehicle Care 273
maximum capacity of fuel, oil,
and coolant, but without
passengers and cargo.
DOT Markings
:A code molded
into the sidewall of a tire
signifying that the tire is in
compliance with the U.S.
Department of Transportation
(DOT) Motor Vehicle Safety
Standards. The DOT code
includes the Tire Identification
Number (TIN), an alphanumeric
designator which can also
identify the tire manufacturer,
production plant, brand, and
date of production.
GVWR
:Gross Vehicle Weight
Rating. See Vehicle Load Limits
0 172.
GAWR FRT
:Gross Axle Weight
Rating for the front axle. See
Vehicle Load Limits 0172.
GAWR RR
:Gross Axle Weight
Rating for the rear axle. See
Vehicle Load Limits 0172. Intended Outboard Sidewall
:
The side of an asymmetrical tire
that must always face outward
when mounted on a vehicle.
Kilopascal (kPa)
:The metric
unit for air pressure.
Light Truck (LT-Metric) Tire
:A
tire used on light duty trucks and
some multipurpose passenger
vehicles.
Load Index
:An assigned
number ranging from 1 to 279
that corresponds to the load
carrying capacity of a tire.
Maximum Inflation Pressure
:
The maximum air pressure to
which a cold tire can be inflated.
The maximum air pressure is
molded onto the sidewall.
Maximum Load Rating
:The
load rating for a tire at the
maximum permissible inflation
pressure for that tire. Maximum Loaded Vehicle
Weight
:The sum of curb
weight, accessory weight,
vehicle capacity weight, and
production options weight.
Normal Occupant Weight
:The
number of occupants a vehicle
is designed to seat multiplied by
68 kg (150 lb). See Vehicle Load
Limits 0172.
Occupant Distribution
:
Designated seating positions.
Outward Facing Sidewall
:The
side of an asymmetrical tire that
has a particular side that faces
outward when mounted on a
vehicle. The side of the tire that
contains a whitewall, bears
white lettering, or bears
manufacturer, brand, and/or
model name molding that is
higher or deeper than the same
moldings on the other sidewall
of the tire.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
354 OnStar
security, or the operation of the
vehicle or the vehicle systems.
Software updates or changes may
affect or erase data or settings that
are stored in the vehicle, such as
OnStar Hands-Free Calling name
tags, saved navigation destinations,
or pre-set radio stations. Neither
OnStar nor GM is responsible for
any affected or erased data or
settings. These updates or changes
may also collect personal
information. Such collection is
described in the OnStar privacy
statement or separately disclosed at
the time of installation. These
updates or changes may also cause
a system to automatically
communicate with GM servers to
collect information about vehicle
system status, identify whether
updates or changes are available,
or deliver updates or changes. An
active OnStar agreement constitutes
consent to these software updates
or changes and agreement that
either OnStar or GM may remotely
deliver them to the vehicle.Privacy
The complete OnStar Privacy
Statement may be found at
www.onstar.com (U.S.),
or www.onstar.ca (Canada). We
recommend that you review it. If you
have any questions, call
1-888-4ONSTAR (1-888-466-7827)
or press
Qto speak with an
Advisor. Users of wireless
communications are cautioned that
the privacy of any information sent
via wireless cellular communications
cannot be assured. Third parties
may unlawfully intercept or access
transmissions and private
communications without consent.
OnStar - Software
Acknowledgements
Certain OnStar components include
libcurl and unzip software and other
third party software. Below are the
notices and licenses associated with
libcurl and unzip and for other third
party software please see http://
opensource.lge.com/index
www.onstar.com/us/en/ libcurl:
COPYRIGHT AND PERMISSION
NOTICE
Copyright (c) 1996 - 2010, Daniel
Stenberg, .
All rights reserved.
Permission to use, copy, modify,
and distribute this software for any
purpose with or without fee is
hereby granted, provided that the
above copyright notice and this
permission notice appear in all
copies.
THE SOFTWARE IS PROVIDED
“AS IS,”
WITHOUT WARRANTY OF
ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT
LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE
AND NONINFRINGEMENT OF
THIRD PARTY RIGHTS. IN NO
EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF
CONTRACT, TORT OR

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
Index 361
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 236
Accessory Power . . . . . . . . . . . . . . . 181
Active Fuel Management . . . . . . . 185
Adaptive Cruise Control . . . . . . . . 201
Adaptive Forward Lighting (AFL) . . . . . . . . . . . . . . . . . 151
Adaptive Forward Lighting (AFL) Light . . . . . . . . . . . . . . . . . . . . 129
Add-On Electrical Equipment . . . 233
Additional Information OnStar . . . . . . . . . . . . . . . . . . . . . . . 351
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . . . 326
Adjustments Lumbar, Front Seats . . . . . . . . . . . . 55
Air Cleaner/Filter, Engine . . . . . . . 245
Air Conditioning . . . . . . . . . . . . . . . . 157
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 163
Air Intake . . . . . . . . . . . . . . . . . . . . . . . 163
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 162
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 82
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . . . 75
Passenger Sensing System . . . . 77 Airbag System (cont'd)
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 75
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 75
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 74
Where Are the Airbags? . . . . . . . . 72
Airbags
Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 81
Passenger Status Indicator . . . 121
Readiness Light . . . . . . . . . . . . . . 121
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 81
System Check . . . . . . . . . . . . . . . . . . 71
Alarm Vehicle Security . . . . . . . . . . . . . . . . 43
Alert Lane Change . . . . . . . . . . . . . . . . . 220
Side Blind Zone (SBZA) . . . . . . 220
All-Season Tires . . . . . . . . . . . . . . . . 268
All-Wheel Drive . . . . . . . . . . . . 192, 256
Antilock Brake System (ABS) . . . 193 Warning Light . . . . . . . . . . . . . . . . . 125
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 309
Interior . . . . . . . . . . . . . . . . . . . . . . . . 313

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
362 Index
ArmrestRear Seat . . . . . . . . . . . . . . . . . . . . . . 63
Armrest Storage . . . . . . . . . . . . . . . . 103
Assistance Program, Roadside . . . . . . . . . . . . . . . . . . . . . . 339
Assistance Systems for Driving . . . . . . . . . . . . . . . . . . . . . . . . 214
Assistance Systems for Parking and Backing . . . . . . . . . . 210
Auto Stop Stop/Start System . . . . . . . 178, 179
Automatic Dimming Mirrors . . . . . . . . . . . . . . . . 46
Door Locks . . . . . . . . . . . . . . . . . . . . . 39
Forward Braking . . . . . . . . . . . . . . 216
Headlamp System . . . . . . . . . . . . 150
Transmission . . . . . . . . . . . . . . . . . 187
Transmission Fluid . . . . . . . . . . . 245
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . 191
B
BatteryExterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . 155
Load Management . . . . . . . . . . . . 154 Battery (cont'd)
Power Protection . . . . . . . . . . . . . 155
Battery - North America . . . . . . . . . . . . .255, 301, 302
Blade Replacement, Wiper . . . . . 256
Brake Parking, Electric . . . . . . . . . . . . . . 193
System Warning Light . . . . . . . . 124
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Antilock . . . . . . . . . . . . . . . . . . . . . . . 193
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 195
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Regenerative Braking . . . . . . . . . 196
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 166
Automatic Forward . . . . . . . . . . . 216
Braking System Front Pedestrian (FPB) . . . . . . . 218
Break-In, New Vehicle . . . . . . . . . . 175
Bulb Replacement
Headlamp Aiming . . . . . . . . . . . . . 258
Headlamps . . . . . . . . . . . . . . . . . . . 258
High Intensity Discharge(HID) Lighting . . . . . . . . . . . . . . . 258
License Plate Lamps . . . . . . . . . 259
Taillamps, Turn Signal, Stoplamps, and Back-up
Lamps . . . . . . . . . . . . . . . . . . . . . . 259
Buying New Tires . . . . . . . . . . . . . . . 282
C
Calibration . . . . . . . . . . . . . . . . . . . . . . 108
California
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 236
California Proposition
65 Warning . . . . . . . 235, 255, 301, 302,
Back Cover
Canadian Vehicle Owners . . . . . . . . 2
Capacities and Specifications . . . . . . . . . . . . . . . . . 333
Carbon Monoxide
Engine Exhaust . . . . . . . . . . . . . . . 186
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Winter Driving . . . . . . . . . . . . . . . . 170
Cargo Tie-Downs . . . . . . . . . . . . . . . . . . . . 103
Caution, Danger, and Warning . . . . 2
Center Console Storage . . . . . . . . 103
Chains, Tire . . . . . . . . . . . . . . . . . . . . 287
Charging Wireless . . . . . . . . . . . . . . . . . . . . . . .110
Charging System Light . . . . . . . . . 122
Check Engine Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 122

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
Index 363
Child RestraintsInfants and Young Children . . . . . 85
Lower Anchors and Tethers
for Children . . . . . . . . . . . . . . . . . . . 90
Older Children . . . . . . . . . . . . . . . . . . 83
Securing . . . . . . . . . . . . . . . . . . . . 97, 99
Systems . . . . . . . . . . . . . . . . . . . . . . . . 87
Circuit Breakers . . . . . . . . . . . . . . . . 261
Cleaning Exterior Care . . . . . . . . . . . . . . . . . 309
Interior Care . . . . . . . . . . . . . . . . . . 313
Climate Control Systems Dual Automatic . . . . . . . . . . . . . . . 157
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Cluster, Instrument . . . . . . . . . . . . . 114
Collision Damage Repair . . . . . . . 342
Compact Spare Tire . . . . . . . . . . . . 300
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . 102
Compass . . . . . . . . . . . . . . . . . . . . . . . 108
Compressor Kit, Tire Sealant . . . 289
Connected Services Connections . . . . . . . . . . . . . . . . . . 358
Diagnostics . . . . . . . . . . . . . . . . . . . 360
Navigation . . . . . . . . . . . . . . . . . . . . 357
Connections Connected Services . . . . . . . . . . 358 Control
Traction and Electronic
Stability . . . . . . . . . . . . . . . . . . . . . 196
Control of a Vehicle . . . . . . . . . . . . . 166
Convenience Net . . . . . . . . . . . . . . . 103
Convex Mirrors . . . . . . . . . . . . . . . . . . 45
Coolant Engine Temperature Gauge . . .119
Engine TemperatureWarning Light . . . . . . . . . . . . . . . 127
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . 157
Cooling System . . . . . . . . . . . . . . . . . 246
Cornering Lamps . . . . . . . . . . . . . . . 152
Courtesy Transportation
Program . . . . . . . . . . . . . . . . . . . . . . . 341
Cruise Control . . . . . . . . . . . . . . . . . . 199
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Cruise Control, Adaptive . . . . . . . . 201
Cupholders . . . . . . . . . . . . . . . . . . . . . 102
Customer Assistance . . . . . . . . . . . 338 Offices . . . . . . . . . . . . . . . . . . . . . . . . 337
Text Telephone (TTY)
Users . . . . . . . . . . . . . . . . . . . . . . . 338
Customer Information Publications Ordering
Information . . . . . . . . . . . . . . . . . . 344
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 335D
Damage Repair, Collision . . . . . . . 342
Danger, Warning, and Caution . . . . 2
Data CollectionInfotainment System . . . . . . . . . . 348
OnStar . . . . . . . . . . . . . . . . . . . . . . . 348
Data Recorders, Event . . . . . . . . . 347
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 150
Defensive Driving . . . . . . . . . . . . . . . 166
Delayed Locking . . . . . . . . . . . . . . . . . 39
Diagnostics
Connected Services . . . . . . . . . . 360
Distracted Driving . . . . . . . . . . . . . . . 165
Dome Lamps . . . . . . . . . . . . . . . . . . . 153
Door
Ajar Light . . . . . . . . . . . . . . . . . . . . . 130
Delayed Locking . . . . . . . . . . . . . . . . 39
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Power Locks . . . . . . . . . . . . . . . . . . . . 39
Drive Belt Routing, Engine . . . . . . 334
Drive Systems All-Wheel Drive . . . . . . . . . . 192, 256
Driver Assistance Systems . . . . . 208
Driver Efficiency Gauge . . . . . . . . 118
Driver Information
Center (DIC) . . . . . . . . . . . . . . . . . . 131

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
364 Index
DrivingAssistance Systems . . . . . . . . . . 214
Characteristics and
Towing Tips . . . . . . . . . . . . . . . . . 227
Defensive . . . . . . . . . . . . . . . . . . . . . 166
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 166
For Better Fuel Economy . . . . . . . 26
Hill and Mountain Roads . . . . . . 169
If the Vehicle is Stuck . . . . . . . . . 171
Loss of Control . . . . . . . . . . . . . . . 168
Off-Road Recovery . . . . . . . . . . . 168
Vehicle Load Limits . . . . . . . . . . . 172
Wet Roads . . . . . . . . . . . . . . . . . . . 169
Winter . . . . . . . . . . . . . . . . . . . . . . . . 170
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 157
E
Electric Parking Brake . . . . . . . . . . 193
Electric Parking Brake Light . . . . 125
Electrical Equipment,
Add-On . . . . . . . . . . . . . . . . . . . . . . . 233
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 261
Fuses and Circuit Breakers . . . 261
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 265 Electrical System (cont'd)
Overload . . . . . . . . . . . . . . . . . . . . . 260
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . 350
Energy Information . . . . . . . . . . . . . 131
Engine Air Cleaner/Filter . . . . . . . . . . . . . 245
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 122
Compartment Overview . . . . . . . 238
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . .119
Coolant Temperature Warning Light . . . . . . . . . . . . . . . 127
Cooling System . . . . . . . . . . . . . . . 246
Drive Belt Routing . . . . . . . . . . . . 334
Exhaust . . . . . . . . . . . . . . . . . . . . . . 186
Heater . . . . . . . . . . . . . . . . . . . . . . . . 180
Oil Life System . . . . . . . . . . . . . . . 244
Oil Pressure Light . . . . . . . . . . . . 128
Overheated Protection Operating Mode . . . . . . . . . . . . . 252
Overheating . . . . . . . . . . . . . . . . . . 250
Power Messages . . . . . . . . . . . . . 138
Running While Parked . . . . . . . . 186
Starting . . . . . . . . . . . . . . . . . . . . . . . 177
Engine Oil Temperature Gauge . . . . . . . . . . .118 Entry Lighting . . . . . . . . . . . . . . . . . . . 154
Equipment, Towing . . . . . . . . . . . . . 232
Event Data Recorders . . . . . . . . . . 347
Exit Lighting . . . . . . . . . . . . . . . . . . . . 154
Extended Parking . . . . . . . . . . . . . . . 185
Extender, Seat Belt . . . . . . . . . . . . . . 69
Exterior Lamp Controls . . . . . . . . . 149
Exterior Lamps Off Reminder . . . 150
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 155
F
FeaturesMemory . . . . . . . . . . . . . . . . . . . . . . . . . 11
Filter, Engine Air Cleaner . . . . . . . . . . . 245
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 150
Flashers, Hazard Warning . . . . . . 151
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 287
Changing . . . . . . . . . . . . . . . . . . . . . 296
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 317
Fluid
Automatic Transmission . . . . . . 245
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 254
Washer . . . . . . . . . . . . . . . . . . . . . . . 252
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 152
Folding Mirrors . . . . . . . . . . . . . . . . . . 46
Forward Automatic Braking . . . . . 216

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
Index 365
Forward Collision Alert(FCA) System . . . . . . . . . . . . . . . . . 214
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 345
Front Fog Lamp Light . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Front Pedestrian Braking
(FPB) System . . . . . . . . . . . . . . . . . 218
Front Seats Heated and Ventilated . . . . . . . . . . 59
Fuel
Additives . . . . . . . . . . . . . . . . . . . . . 225
Economy Driving . . . . . . . . . . . . . . . 26
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 227
Filling the Tank . . . . . . . . . . . . . . . 225
Foreign Countries . . . . . . . . . . . . 225
Gauge . . . . . . . . . . . . . . . . . . . . . . . . .117
Low Fuel Warning Light . . . . . . . 129
Management, Active . . . . . . . . . . 185
Prohibited Fuels . . . . . . . . . . . . . . 224
Recommended . . . . . . . . . . . . . . . 224
Top Tier . . . . . . . . . . . . . . . . . . . . . . 224
Fuses Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 261
Fuses and Circuit Breakers . . . 261 Fuses (cont'd)
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 265
G
Garage Door Opener . . . . . . . . . . . 145Programming . . . . . . . . . . . . . . . . . 145
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 257
Gauges Driver Efficiency . . . . . . . . . . . . . . .118
Engine Coolant
Temperature . . . . . . . . . . . . . . . . .119
Engine Oil Temperature . . . . . . . .118
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . .117
Odometer . . . . . . . . . . . . . . . . . . . . . .116
Speedometer . . . . . . . . . . . . . . . . . .116
Tachometer . . . . . . . . . . . . . . . . . . . .116
Voltmeter . . . . . . . . . . . . . . . . . . . . . .119
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . .113
General Information Service and Maintenance . . . . . 318
Towing . . . . . . . . . . . . . . . . . . . . . . . . 227
Vehicle Care . . . . . . . . . . . . . . . . . . 235
Glove Box . . . . . . . . . . . . . . . . . . . . . . 102
GM Mobility Reimbursement Program . . . . . . . . . . . . . . . . . . . . . . . 339
H
Hazard Warning Flashers . . . . . . . 151
Head Restraints . . . . . . . . . . . . . . . . . 53
Head-up Display . . . . . . . . . . . . . . . . 134
HeadlampsAdaptive ForwardLighting (AFL) . . . . . . . . . . . . . . . 151
Aiming . . . . . . . . . . . . . . . . . . . . . . . . 258
Automatic . . . . . . . . . . . . . . . . . . . . . 150
Bulb Replacement . . . . . . . . . . . . 258
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . 150
Flash-to-Pass . . . . . . . . . . . . . . . . . 150
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . 258
High-Beam On Light . . . . . . . . . . 129
High/Low Beam Changer . . . . . 150
Lamps On Reminder . . . . . . . . . 130
Heated
Steering Wheel . . . . . . . . . . . . . . . 106
Heated and Ventilated Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Heated Mirrors . . . . . . . . . . . . . . . . . . . 46
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . 180
Heating . . . . . . . . . . . . . . . . . . . . . . . . . 157
High-Beam On Light . . . . . . . . . . . . 129
High-Speed Operation . . . . . . . . . . 276

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
366 Index
Hill and Mountain Roads . . . . . . . . 169
Hill Start Assist (HSA) . . . . . . . . . . 195
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
How to Wear Seat BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . . 64
HVAC . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
I
Ignition Positions . . . . . . . . . . . . . . . 176
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 44
Indicator
Vehicle Ahead . . . . . . . . . . . . . . . . 126
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . . . 85
Information Energy . . . . . . . . . . . . . . . . . . . . . . . 131
Publication Ordering . . . . . . . . . . 344
Infotainment . . . . . . . . . . . . . . . . . . . . 156
Infotainment System . . . . . . . . . . . . 348
Instrument Cluster . . . . . . . . . . . . . . 114
Interior Rearview Mirrors . . . . . . . . . 47
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North America . . . . . . . . . . . . . . . . . . 301, 302
K
Keyless Entry
Remote (RKE) System . . . . . . . . . 29
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
L
Labeling, Tire Sidewall . . . . . . . . . . 269
Lamps Cornering . . . . . . . . . . . . . . . . . . . . . 152
Daytime Running (DRL) . . . . . . 150
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 153
Exterior Controls . . . . . . . . . . . . . . 149
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . 150
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . 155
License Plate . . . . . . . . . . . . . . . . . 259
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . 122
On Reminder . . . . . . . . . . . . . . . . . 130
Reading . . . . . . . . . . . . . . . . . . . . . . 153
Sun Visor . . . . . . . . . . . . . . . . . . . . . 154
Lane Change Alert (LCA) . . . . . . . 220
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . 222
Lane Keep Assist (LKA) . . . . . . . . 222
Lane Keep Assist Light . . . . . . . . . 126
Lap-Shoulder Belt . . . . . . . . . . . . . . . 66 LATCH System
Replacing Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . . . 96
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . 90
LED Lighting . . . . . . . . . . . . . . . . . . . . 259
Lighting Adaptive Forward . . . . . . . . . . . . . 151
Entry . . . . . . . . . . . . . . . . . . . . . . . . . 154
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Illumination Control . . . . . . . . . . . 153
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Lights Adaptive Forward Lighting(AFL) Light . . . . . . . . . . . . . . . . . . 129
Airbag Readiness . . . . . . . . . . . . . 121
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 125
Brake System Warning . . . . . . . 124
Charging System . . . . . . . . . . . . . 122
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . 122
Cruise Control . . . . . . . . . . . . . . . . 130
Door Ajar . . . . . . . . . . . . . . . . . . . . . 130
Electric Parking Brake . . . . . . . . 125
Engine Coolant Temperature Warning . . . . . . . 127
Engine Oil Pressure . . . . . . . . . . 128

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
Index 367
Lights (cont'd)Flash-to-Pass . . . . . . . . . . . . . . . . . 150
Front Fog Lamp . . . . . . . . . . . . . . 130
High-Beam On . . . . . . . . . . . . . . . . 129
High/Low Beam Changer . . . . . 150
Lane Keep Assist . . . . . . . . . . . . . 126
Low Fuel Warning . . . . . . . . . . . . 129
Seat Belt Reminders . . . . . . . . . . 120
Security . . . . . . . . . . . . . . . . . . . . . . 129
Service Electric Parking
Brake . . . . . . . . . . . . . . . . . . . . . . . 125
StabiliTrak OFF . . . . . . . . . . . . . . . 127
Tire Pressure . . . . . . . . . . . . . . . . . 128
Traction Control System (TCS)/StabiliTrak . . . . . . . . . . . . 127
Traction Off . . . . . . . . . . . . . . . . . . . 126
Locks Automatic Door . . . . . . . . . . . . . . . . . 39
Delayed Locking . . . . . . . . . . . . . . . . 39
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Lockout Protection . . . . . . . . . . . . . . 40
Power Door . . . . . . . . . . . . . . . . . . . . . 39
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Loss of Control . . . . . . . . . . . . . . . . . 168
Low Fuel Warning Light . . . . . . . . . 129
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 90 Lumbar Adjustment . . . . . . . . . . . . . . 55
Front Seats . . . . . . . . . . . . . . . . . . . . . 55
M
Maintenance
Records . . . . . . . . . . . . . . . . . . . . . . 331
Maintenance and Care
Additional . . . . . . . . . . . . . . . . . . . . . 326
Maintenance Schedule . . . . . . . . . 320 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 329
Malfunction Indicator Lamp . . . . . 122
Manual Mode . . . . . . . . . . . . . . . . . . . 191
Massage . . . . . . . . . . . . . . . . . . . . . . . . 60
Memory Features . . . . . . . . . . . . . . . . 11
Memory Seats . . . . . . . . . . . . . . . . . . . 56
Messages
Engine Power . . . . . . . . . . . . . . . . 138
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 137
Vehicle Speed . . . . . . . . . . . . . . . . 138
Mirrors
Automatic Dimming . . . . . . . . . . . . . 46
Automatic DimmingRearview . . . . . . . . . . . . . . . . . . . . . . 47
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 45
Folding . . . . . . . . . . . . . . . . . . . . . . . . . 46
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 46
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Mirrors (cont'd)
Tilt in Reverse . . . . . . . . . . . . . . . . . . 46
Mirrors, Interior Rearview . . . . . . . . 47
Monitor System, Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 276
N
NavigationConnected Services . . . . . . . . . . 357
Net, Convenience . . . . . . . . . . . . . . 103
New Vehicle Break-In . . . . . . . . . . . 175
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . 116
Off-Road
Recovery . . . . . . . . . . . . . . . . . . . . . 168
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . 241
Engine Oil Life System . . . . . . . 244
Pressure Light . . . . . . . . . . . . . . . . 128
Older Children, Restraints . . . . . . . 83
Online Owner Center . . . . . . . . . . . 338
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 348
OnStar Additional Information . . . . . . . . . . . . . . . . . . . . 351
OnStar Emergency . . . . . . . . . . . . . 350
OnStar Overview . . . . . . . . . . . . . . . 349
OnStar Security . . . . . . . . . . . . . . . . 351

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-12032549) -
2019 - crc - 8/20/18
368 Index
Operating ModeOverheated Engine
Protection . . . . . . . . . . . . . . . . . . . 252
Operation Fog Lamps . . . . . . . . . . . . . . . . . . . 152
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . 108
Overheated Engine Protection Operating Mode . . . . 252
Overheating, Engine . . . . . . . . . . . . 250
P
Park Shifting Into . . . . . . . . . . . . . . . . . . . 182
Shifting Out of . . . . . . . . . . . . . . . . 182
Park Assist . . . . . . . . . . . . . . . . . . . . . 210
Parking Extended . . . . . . . . . . . . . . . . . . . . . 185
Over Things That Burn . . . . . . . 185
Parking or Backing Assistance Systems . . . . . . . . . . 210
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . . 121
Passenger Compartment Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Passenger Sensing System . . . . . 77
Perchlorate Materials
Requirements, California . . . . . . 236 Personalization
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 138
Power Door Locks . . . . . . . . . . . . . . . . . . . . . 39
Flows . . . . . . . . . . . . . . . . . . . . . . . . . 131
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Outlets . . . . . . . . . . . . . . . . . . . . . . . 108
Protection, Battery . . . . . . . . . . . . 155
Retained Accessory (RAP) . . . 181
Seat Adjustment . . . . . . . . . . . . . . . . 54
Windows . . . . . . . . . . . . . . . . . . . . . . . 47
Pregnancy, Using Seat Belts . . . . 69
Privacy Vehicle Data Recording . . . . . . . 347
Program Courtesy Transportation . . . . . . 341
Prohibited Fuels . . . . . . . . . . . . . . . . 224
Proposition 65 Warning,
California . . . . . . . . . 235, 255, 301, 302,
Back Cover
Publication Ordering Information . . . . . . . . . . . . . . . . . . . . 344
R
Radio Frequency Statement . . . . 345
Reading Lamps . . . . . . . . . . . . . . . . . 153
Rear Seat Armrest . . . . . . . . . . . . . . . 63
Rear Seats . . . . . . . . . . . . . . . . . . . . . . 61
Rear Vision Camera (RVC) . . . . . 210
Rear Window Sunshade . . . . . . . . . 50
Rearview MirrorsAutomatic Dimming . . . . . . . . . . . . . 47
Reclining Seatbacks . . . . . . . . . . . . . 55
Recommended
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Recommended Fluids and Lubricants . . . . . . . . . . . . . . . . . . . . . 329
Records Maintenance . . . . . . . . . . . . . . . . . . 331
Recreational Vehicle Towing . . . . 306
Regenerative Braking . . . . . . . . . . . 196
Reimbursement Program, GM Mobility . . . . . . . . . . . . . . . . . . . 339
Remote Keyless Entry (RKE) System . . . . . . . . . . . . . . . . . . . . . . . . . 29
Remote Vehicle Start . . . . . . . . . . . . 35
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . . . 83
Maintenance . . . . . . . . . . . . . . . . . . 330
Replacing Airbag System . . . . . . . . 83