244 BUICK LACROSSE 2017 Owner's Manual

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
226 Vehicle Care
Vehicle Care
General Information
General Information . . . . . . . . . . 227
California Proposition65 Warning . . . . . . . . . . . . . . . . . 227
California Perchlorate Materials Requirements . . . . . 227
Accessories and Modifications . . . . . . . . . . . . . . . . 228
Vehicle Checks
Doing Your OwnService Work . . . . . . . . . . . . . . . 228
Hood . . . . . . . . . . . . . . . . . . . . . . . . . 229
Engine Compartment Overview . . . . . . . . . . . . . . . . . . . . 230
Engine Oil . . . . . . . . . . . . . . . . . . . . 231
Engine Oil Life System . . . . . . . 233
Automatic Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . . . 234
Engine Air Cleaner/Filter . . . . . . 235
Cooling System . . . . . . . . . . . . . . 236
Engine Coolant . . . . . . . . . . . . . . . 236
Engine Overheating . . . . . . . . . . 239
Overheated Engine Protection Operating Mode . . . . . . . . . . . . . 240
Washer Fluid . . . . . . . . . . . . . . . . . 241
Brakes . . . . . . . . . . . . . . . . . . . . . . . 242
Brake Fluid . . . . . . . . . . . . . . . . . . . 242 Battery - North America . . . . . . 243
All-Wheel Drive . . . . . . . . . . . . . . . 244
Starter Switch Check . . . . . . . . . 244
Park Brake and P (Park)
Mechanism Check . . . . . . . . . . 245
Wiper Blade Replacement . . . . 245
Windshield Replacement . . . . . 246
Headlamp Aiming
Headlamp Aiming . . . . . . . . . . . . 246
Bulb Replacement
Bulb Replacement . . . . . . . . . . . . 246
High Intensity Discharge (HID) Lighting . . . . . . . . . . . . . . . . . . . . . 246
LED Lighting . . . . . . . . . . . . . . . . . 247
Taillamps, Turn Signal, Stoplamps, and Back-Up
Lamps . . . . . . . . . . . . . . . . . . . . . . 247
License Plate Lamp . . . . . . . . . . 247
Replacement Bulbs . . . . . . . . . . . 248
Electrical System
Electrical System Overload . . . 248
Fuses and Circuit Breakers . . . 249
Engine Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 249
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 252
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 254 All-Season Tires . . . . . . . . . . . . . . 255
Winter Tires . . . . . . . . . . . . . . . . . . 255
Tire Sidewall Labeling . . . . . . . . 256
Tire Designations . . . . . . . . . . . . . 258
Tire Terminology and
Definitions . . . . . . . . . . . . . . . . . . 259
Tire Pressure . . . . . . . . . . . . . . . . . 261
Tire Pressure for High-Speed Operation . . . . . . . . . . . . . . . . . . . 262
Tire Pressure Monitor System . . . . . . . . . . . . . . . . . . . . . . 263
Tire Pressure Monitor Operation . . . . . . . . . . . . . . . . . . . 264
Tire Inspection . . . . . . . . . . . . . . . . 267
Tire Rotation . . . . . . . . . . . . . . . . . 267
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 268
Buying New Tires . . . . . . . . . . . . . 269
Different Size Tires and Wheels . . . . . . . . . . . . . . . . . . . . . . 270
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . . . 271
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 272
Wheel Replacement . . . . . . . . . . 272
Tire Chains . . . . . . . . . . . . . . . . . . . 273
If a Tire Goes Flat . . . . . . . . . . . . 274
Tire Changing . . . . . . . . . . . . . . . . 275
Compact Spare Tire . . . . . . . . . . 280

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
244 Vehicle Care
replacement number on the original
battery label when a new standard
12-volt battery is needed.
{Warning
WARNING:Battery posts,
terminals, and related
accessories contain lead and lead
compounds, chemicals known to
the State of California to cause
cancer and birth defects or other
reproductive harm. Batteries also
contain other chemicals known to
the State of California to cause
cancer. WASH HANDS AFTER
HANDLING.
See California Proposition
65 Warning 0227.
Vehicle Storage
{Warning
Batteries have acid that can burn
you and gas that can explode.
You can be badly hurt if you are
(Continued)
Warning (Continued)
not careful. SeeJump Starting -
North America 0281 for tips on
working around a battery without
getting hurt.
Infrequent Usage: Remove the
12-volt battery black, negative (−)
cable from the battery to keep the
battery from running down.
Extended Storage: Remove the
12-volt battery black, negative (−)
cable from the battery or use a
battery trickle charger.
Remember to reconnect the battery
when ready to drive the vehicle.
All-Wheel Drive
Transfer Case
Under normal driving conditions,
transfer case fluid does not require
maintenance unless there is a fluid
leak or unusual noise. If required,
have the transfer case serviced by
your dealer.
Starter Switch Check
{Warning
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be sure there is enough room
around the vehicle.
2. Apply both the parking brake and the regular brake.
Do not use the accelerator
pedal, and be ready to turn off
the engine immediately if it
starts.
3. Try to start the engine in each gear. The vehicle should start
only in P (Park) or N (Neutral).
If the vehicle starts in any other
position, contact your dealer for
service.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
298 Service and Maintenance
a year and the oil life system must
be reset. Your trained dealer
technician can perform this work.
If the engine oil life system is reset
accidentally, service the vehicle
within 5 000 km/3,000 mi since the
last service. Reset the oil life
system when the oil is changed.
SeeEngine Oil Life System 0233.
Tire Rotation and Required
Services Every 12 000 km/
7,500 mi
Rotate the tires, if recommended for
the vehicle, and perform the
following services. See Tire
Rotation 0267.
. Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system.
See Engine Oil 0231 and
Engine Oil Life System 0233.
. Check engine coolant level. See
Engine Coolant 0236.
. Check windshield washer fluid
level. See Washer Fluid 0241. .
Visually inspect windshield wiper
blades for wear, cracking,
or contamination. See Exterior
Care 0286. Replace worn or
damaged wiper blades. See
Wiper Blade Replacement
0 245.
. Check tire inflation pressures.
See Tire Pressure 0261.
. Inspect tire wear. See Tire
Inspection 0267.
. Visually check for fluid leaks.
. Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter
0 235.
. Inspect brake system. See
Exterior Care 0286.
. Visually inspect steering,
suspension, and chassis
components for damaged, loose,
or missing parts or signs of
wear. See Exterior Care 0286.
. Check restraint system
components. See Safety System
Check 064.
. Visually inspect fuel system for
damage or leaks. .
Visually inspect exhaust system
and nearby heat shields for
loose or damaged parts.
. Lubricate body components. See
Exterior Care 0286.
. Check starter switch. See Starter
Switch Check 0244.
. Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check
0 245.
. Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
. Visually inspect gas strut for
signs of wear, cracks, or other
damage. Check the hold open
ability of the strut. See your
dealer if service is required.
. Inspect sunroof track and seal,
if equipped. See Sunroof047.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
Index 335
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 228
Accessory Power . . . . . . . . . . . . . . . 178
Adaptive Cruise Control . . . . . . . . 194
Adaptive Forward Lighting (AFL) . . . . . . . . . . . . . . . . . 150
Adaptive Forward Lighting (AFL) Light . . . . . . . . . . . . . . . . . . . . 121
Add-On Electrical Equipment . . . 225
Additional Information
OnStar
®. . . . . . . . . . . . . . . . . . . . . . 330
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . 302
Adjustments Lumbar, Front Seats . . . . . . . . . . . . 52
Air Cleaner/Filter, Engine . . . . . . . 235
Air Conditioning . . . . . . . . . . . . . . . . 156
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 161
Air Intake . . . . . . . . . . . . . . . . . . . . . . . 161
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 160
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 77
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 70
Passenger Sensing System . . . . 72 Airbag System (cont'd)
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 70
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 70
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 69
Where Are the Airbags? . . . . . . . . 67
Airbags
Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 76
Passenger Status Indicator . . . .113
Readiness Light . . . . . . . . . . . . . . .113
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 76
System Check . . . . . . . . . . . . . . . . . . 66
Alarm Vehicle Security . . . . . . . . . . . . . . . . 40
Alert Lane Change . . . . . . . . . . . . . . . . . 213
Side Blind Zone (SBZA) . . . . . . 212
All-Season Tires . . . . . . . . . . . . . . . . 255
All-Wheel Drive . . . . . . . . . . . . 186, 244
Antilock Brake System (ABS) . . . 186 Warning Light . . . . . . . . . . . . . . . . . .117
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 286
Interior . . . . . . . . . . . . . . . . . . . . . . . . 291

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
Index 337
Child Restraints (cont'd)Older Children . . . . . . . . . . . . . . . . . . 78
Securing . . . . . . . . . . . . . . . . . . . . 92, 94
Systems . . . . . . . . . . . . . . . . . . . . . . . . 82
Circuit Breakers . . . . . . . . . . . . . . . . 249
Cleaning Exterior Care . . . . . . . . . . . . . . . . . 286
Interior Care . . . . . . . . . . . . . . . . . . 291
Climate Control Systems
Dual Automatic . . . . . . . . . . . . . . . 156
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Cluster, Instrument . . . . . . . . . . . . . 108
Collision Damage Repair . . . . . . . 318
Compact Spare Tire . . . . . . . . . . . . 280
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . . . 97
Compass . . . . . . . . . . . . . . . . . . . . . . . 103 Messages . . . . . . . . . . . . . . . . . . . . 129
Connections OnStar
®. . . . . . . . . . . . . . . . . . . . . . 327
Control Traction and ElectronicStability . . . . . . . . . . . . . . . . . . . . . 190
Control of a Vehicle . . . . . . . . . . . . . 164
Convenience Net . . . . . . . . . . . . . . . . 99
Convex Mirrors . . . . . . . . . . . . . . . . . . 42
Coolant Engine . . . . . . . . . . . . . . . . . . . . . . . . 236 Coolant (cont'd)
Engine Temperature Gauge . . . 111
Engine Temperature
Warning Light . . . . . . . . . . . . . . . .119
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . 156
Cooling System . . . . . . . . . . . . . . . . . 236 Engine Messages . . . . . . . . . . . . 131
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . . 317
Cruise Control . . . . . . . . . . . . . . . . . . 192 Light . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Messages . . . . . . . . . . . . . . . . . . . . 130
Cruise Control, Adaptive . . . . . . . . 194
Cupholders . . . . . . . . . . . . . . . . . . . . . . 97
Customer Assistance . . . . . . . . . . . 314 Offices . . . . . . . . . . . . . . . . . . . . . . . . 313
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . 314
Customer Information Service PublicationsOrdering Information . . . . . . . . 320
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 311
D
Damage Repair, Collision . . . . . . . 318
Danger, Warning, and Caution . . . . 2
Data Collection
Infotainment System . . . . . . . . . . 324 Data Collection (cont'd)
OnStar . . . . . . . . . . . . . . . . . . . . . . . 323
Data Recorders, Event . . . . . . . . . 323
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 149
Defensive Driving . . . . . . . . . . . . . . . 164
Delayed Locking . . . . . . . . . . . . . . . . . 37
Diagnostics OnStar
®. . . . . . . . . . . . . . . . . . . . . . 329
Distracted Driving . . . . . . . . . . . . . . . 163
Dome Lamps . . . . . . . . . . . . . . . . . . . 152
Door Ajar Light . . . . . . . . . . . . . . . . . . . . . 122
Ajar Messages . . . . . . . . . . . . . . . 130
Delayed Locking . . . . . . . . . . . . . . . . 37
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Power Locks . . . . . . . . . . . . . . . . . . . . 36
Drive Belt Routing, Engine . . . . . . 310
Drive Systems
All-Wheel Drive . . . . . . . . . . 186, 244
Driver Assistance Systems . . . . . 202
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . . 122
Driving Assistance Systems . . . . . . . . . . 206
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 220
Defensive . . . . . . . . . . . . . . . . . . . . . 164

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
344 Index
Starter Switch Check . . . . . . . . . . . 244
Starting the Engine . . . . . . . . . . . . . 175
Starting the VehicleMessages . . . . . . . . . . . . . . . . . . . . . 136
Steering . . . . . . . . . . . . . . . . . . . . . . . . 165 Heated Wheel . . . . . . . . . . . . . . . . 102
Wheel Adjustment . . . . . . . . . . . . 101
Wheel Controls . . . . . . . . . . . . . . . 102
Steering System Messages . . . . . 136
Stoplamps and Back-up Lamps Bulb Replacement . . . . . . . . . . . . 247
Storage Areas Armrest . . . . . . . . . . . . . . . . . . . . . . . . . 98
Center Console . . . . . . . . . . . . . . . . . 98
Convenience Net . . . . . . . . . . . . . . . 99
Glove Box . . . . . . . . . . . . . . . . . . . . . . 97
Storage Compartments . . . . . . . . . . 97
Stuck Vehicle . . . . . . . . . . . . . . . . . . . 169
Sun Visor Lamps . . . . . . . . . . . . . . . 153
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . 47
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Sunshade Rear Window . . . . . . . . . . . . . . . . . . . 47
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 3
System Forward CollisionAlert (FCA) . . . . . . . . . . . . . . . . . . 207 System (cont'd)
Infotainment . . . . . . . . . . . . . 155, 324
Systems Driver Assistance . . . . . . . . . . . . . 202
T
Tachometer . . . . . . . . . . . . . . . . . . . . . 110
Taillamps
Bulb Replacement . . . . . . . . . . . . 247
Text Telephone (TTY) Users . . . . 314
Theft-Deterrent Systems . . . . . . . . . 41
Immobilizer . . . . . . . . . . . . . . . . . . . . . 41
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254 All-Season . . . . . . . . . . . . . . . . . . . . 255
Buying New Tires . . . . . . . . . . . . . 269
Chains . . . . . . . . . . . . . . . . . . . . . . . . 273
Changing . . . . . . . . . . . . . . . . . . . . . 275
Compact Spare . . . . . . . . . . . . . . . 280
Designations . . . . . . . . . . . . . . . . . 258
Different Size . . . . . . . . . . . . . . . . . 270
If a Tire Goes Flat . . . . . . . . . . . . 274
Inspection . . . . . . . . . . . . . . . . . . . . 267
Messages . . . . . . . . . . . . . . . . . . . . 136
Pressure . . . . . . . . . . . . . . . . . 261, 262
Pressure Light . . . . . . . . . . . . . . . . .119
Pressure Monitor Operation . . 264
Pressure Monitor System . . . . . 263
Rotation . . . . . . . . . . . . . . . . . . . . . . 267 Tires (cont'd)
Sidewall Labeling . . . . . . . . . . . . . 256
Terminology and Definitions . . 259
Uniform Tire Quality
Grading . . . . . . . . . . . . . . . . . . . . . 271
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 272
Wheel Replacement . . . . . . . . . . 272
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 268
Winter . . . . . . . . . . . . . . . . . . . . . . . . 255
Towing Driving Characteristics . . . . . . . . 220
Equipment . . . . . . . . . . . . . . . . . . . . 224
General Information . . . . . . . . . . 220
Recreational Vehicle . . . . . . . . . . 284
Trailer . . . . . . . . . . . . . . . . . . . . . . . . 223
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 284
Traction Control System (TCS)/StabiliTrak
®Light . . . . . . . . . . . . .119
Off Light . . . . . . . . . . . . . . . . . . . . . . .118
Selective Ride Control . . . . . . . . 192
Traction Control/Electronic Stability Control . . . . . . . . . . . . . . . 190
Trailer Towing . . . . . . . . . . . . . . . . . . . . . . . . 223