2016 BUICK LACROSSE maintenance

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
OnStar 349
Calling 911 Emergency
1. Press=. System responds:
“OnStar ready.”
2. Say “Call.”System responds:
“Call. Please say the name or
number to call.”
3. Say “911”without pausing.
System responds: “911.”
4. Say “Call.”System responds:
“OK, dialing 911.”
Retrieve My Number
1. Press=. System responds:
“OnStar ready.”
2. Say “My number.” System
responds: “Your OnStar
Hands-Free Calling number is,”
then says the number.
End a Call
Press=. System responds: “Call
ended.”
Verify Minutes and Expiration
Press=and say “Minutes” then
“Verify” to check how many minutes
remain and their expiration date.
Diagnostics
Advanced Diagnostics provides a
status of the vehicle’ s key systems
with a monthly e-mail, or by
pressing
Q. Real-time Diagnostic
Alerts can be sent by e-mail or text.
The Proactive Alerts feature (if
available) can help predict and alert
of potential upcoming maintenance
issues with select components on
the vehicle, before they become a
problem.
OnStar can also monitor and report
tire pressure, if the vehicle is
equipped with a Tire Pressure
Monitoring System.
OnStar Additional
Information
In-Vehicle Audio Messages
Audio messages may play important
information at the following times:
. Prior to vehicle purchase. Press
Qto set up an account.
. With the OnStar Basic Plan,
every 60 days.
. After change in ownership and
at 90 days.
Transferring Service
PressQto request account transfer
eligibility information. The Advisor
can cancel or change account
information.
Selling/Transferring the
Vehicle
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
Index 355
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 228
Accessory Power . . . . . . . . . . . . . . . 183
Adaptive Cruise Control . . . . . . . . 197
Adaptive Forward Lighting (AFL) . . . . . . . . . . . . . . . . . 150
Adaptive Forward Lighting (AFL) Light . . . . . . . . . . . . . . . . . . . . 120
Add-On Electrical Equipment . . . 225
Additional Information
OnStar
®. . . . . . . . . . . . . . . . . . . . . . 349
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . 320
Adjustments Lumbar, Front Seats . . . . . . . . . . . . 53
Air Cleaner/Filter, Engine . . . . . . . 239
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 162
Air Intake . . . . . . . . . . . . . . . . . . . . . . . 162
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 161
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 76
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . . . 69
Passenger Sensing System . . . . 71
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 69 Airbag System (cont'd)
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 70
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 68
Where Are the Airbags? . . . . . . . . 67
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 76
Passenger Status Indicator . . . .112
Readiness Light . . . . . . . . . . . . . . .112
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 75
System Check . . . . . . . . . . . . . . . . . . 65
Alarm Vehicle Security . . . . . . . . . . . . . . . . 40
Alert Lane Change . . . . . . . . . . . . . . . . . .211
Side Blind Zone (SBZA) . . . . . . .211
All-Season Tires . . . . . . . . . . . . . . . . 265
All-Wheel Drive . . . . . . . . . . . . 189, 251
Antilock Brake System (ABS) . . . 189 Warning Light . . . . . . . . . . . . . . . . . .117
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 304
Interior . . . . . . . . . . . . . . . . . . . . . . . . 308
Armrest Rear Seat . . . . . . . . . . . . . . . . . . . . . . 59

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
Index 359
Front SeatsAdjustment . . . . . . . . . . . . . . . . . . . . . 52
Heated and Ventilated . . . . . . . . . . 56
Front Storage . . . . . . . . . . . . . . . . . . . . 98
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215 Additives . . . . . . . . . . . . . . . . . . . . . 216
Economy Driving . . . . . . . . . . . . . . . 25
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 219
Filling the Tank . . . . . . . . . . . . . . . 217
Foreign Countries . . . . . . . . . . . . 216
Gauge . . . . . . . . . . . . . . . . . . . . . . . . .110
Low Fuel Warning Light . . . . . . . 120
Requirements, California . . . . . 216
System Messages . . . . . . . . . . . . 133
Fuses
Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 259
Fuses and Circuit Breakers . . . 258
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 262
G
Garage Door Opener . . . . . . . . . . . 145
Programming . . . . . . . . . . . . . . . . . 145
Gauges
Engine CoolantTemperature . . . . . . . . . . . . . . . . . 111
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . .110 Gauges (cont'd)
Odometer . . . . . . . . . . . . . . . . . . . . . 109
Speedometer . . . . . . . . . . . . . . . . . 109
Tachometer . . . . . . . . . . . . . . . . . . . 109
Warning Lights and
Indicators . . . . . . . . . . . . . . . . . . . 105
General Information Service and Maintenance . . . . . 313
Towing . . . . . . . . . . . . . . . . . . . . . . . . 220
Vehicle Care . . . . . . . . . . . . . . . . . . 227
Glove Box . . . . . . . . . . . . . . . . . . . . . . . 97
GM Mobility Reimbursement Program . . . . . . . . . . . . . . . . . . . . . . . 334
H
Halogen Bulbs . . . . . . . . . . . . . . . . . . 254
Hazard Warning Flashers . . . . . . . 151
Head Restraints . . . . . . . . . . . . . . . . . 50
Head-up Display . . . . . . . . . . . . . . . . 126
HeadlampsAdaptive ForwardLighting (AFL) . . . . . . . . . . . . . . . 150
Aiming . . . . . . . . . . . . . . . . . . . . . . . . 254
Automatic . . . . . . . . . . . . . . . . . . . . . 149
Bulb Replacement . . . . . . . . . . . . 254
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . 149
Flash-to-Pass . . . . . . . . . . . . . . . . . 149 Headlamps (cont'd)
High Intensity Discharge
(HID) Lighting . . . . . . . . . . . . . . . 254
High-Beam On Light . . . . . . . . . . 120
High/Low Beam Changer . . . . . 149
Lamps On Reminder . . . . . . . . . 121
Heated Steering Wheel . . . . . . . . . . . . . . . 101
Heated and Ventilated Front
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Heated Mirrors . . . . . . . . . . . . . . . . . . . 44
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . 181
High Voltage Devices and
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . 257
High-Beam On Light . . . . . . . . . . . . 120
High-Speed Operation . . . . . . . . . . 272
Hill and Mountain Roads . . . . . . . . 168
Hill Start Assist (HSA) . . . . . . . . . . 192
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
How to Wear Safety Belts Properly . . . . . . . . . . . . . . . . . . . . . . . . 60
I
Ignition Positions . . . . . . . . . . 175, 176
Ignition Transmission LockCheck . . . . . . . . . . . . . . . . . . . . . . . . . 252
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 41

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
Index 361
Lights (cont'd)Traction Control System
(TCS)/StabiliTrak
®. . . . . . . . . . .118
Traction Off . . . . . . . . . . . . . . . . . . . .117
Limited-Slip Differential . . . . . . . . . 194
Locks Automatic Door . . . . . . . . . . . . . . . . . 37
Delayed Locking . . . . . . . . . . . . . . . . 36
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Lockout Protection . . . . . . . . . . . . . . 37
Power Door . . . . . . . . . . . . . . . . . . . . . 36
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Loss of Control . . . . . . . . . . . . . . . . . 167
Low Fuel Warning Light . . . . . . . . . 120
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 84
Lumbar Adjustment . . . . . . . . . . . . . . 53
Front Seats . . . . . . . . . . . . . . . . . . . . . 53
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . 325
Maintenance and Care
Additional . . . . . . . . . . . . . . . . . . . . . 320
Maintenance Schedule . . . . . . . . . 314 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 323
Malfunction Indicator Lamp . . . . . 114 Manual Mode . . . . . . . . . . . . . . . . . . . 188
Memory Features . . . . . . . . . . . . . . . . 12
Memory Seats . . . . . . . . . . . . . . . . . . . 55
Messages
Airbag System . . . . . . . . . . . . . . . . 137
Battery Voltage andCharging . . . . . . . . . . . . . . . . . . . . 130
Brake System . . . . . . . . . . . . . . . . 130
Compass . . . . . . . . . . . . . . . . . . . . . 131
Door Ajar . . . . . . . . . . . . . . . . . . . . . 132
Engine Cooling System . . . . . . . 132
Engine Oil . . . . . . . . . . . . . . . . . . . . 133
Engine Power . . . . . . . . . . . . . . . . 133
Fuel System . . . . . . . . . . . . . . . . . . 133
Key and Lock . . . . . . . . . . . . . . . . . 133
Lamp . . . . . . . . . . . . . . . . . . . . . . . . . 134
Object Detection System . . . . . 134
Ride Control System . . . . . . . . . . 136
Security . . . . . . . . . . . . . . . . . . . . . . 137
Service Vehicle . . . . . . . . . . . . . . . 137
Starting the Vehicle . . . . . . . . . . . 137
Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Transmission . . . . . . . . . . . . . . . . . 138
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 130
Vehicle Speed . . . . . . . . . . . . . . . . 138
Window . . . . . . . . . . . . . . . . . . . . . . . 138 Mirrors
Automatic Dimming
Rearview . . . . . . . . . . . . . . . . . . . . . . 45
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 43
Folding . . . . . . . . . . . . . . . . . . . . . . . . . 44
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 44
Manual Rearview . . . . . . . . . . . . . . . 44
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Tilt in Reverse . . . . . . . . . . . . . . . . . . 44
Mirrors, Interior Rearview . . . . . . . . 44
Monitor System, Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 273
N
NavigationOnStar®. . . . . . . . . . . . . . . . . . . . . . 346
Net, Convenience . . . . . . . . . . . . . . . 99
New Vehicle Break-In . . . . . . . . . . . 174
O
Object Detection System Messages . . . . . . . . . . . . . . . . . . . . . 134
Odometer . . . . . . . . . . . . . . . . . . . . . . . 109
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . 167
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . 236
Engine Oil Life System . . . . . . . 238
Messages . . . . . . . . . . . . . . . . . . . . 133

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
362 Index
Oil (cont'd)Pressure Light . . . . . . . . . . . . . . . . .119
Older Children, Restraints . . . . . . . 77
Online Owner Center . . . . . . . . . . . 333
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 343
OnStar
®Additional
Information . . . . . . . . . . . . . . . . . . . . 349
OnStar
®Connections . . . . . . . . . . . 347
OnStar®Diagnostics . . . . . . . . . . . . 349
OnStar®Emergency . . . . . . . . . . . . 346
OnStar®Navigation . . . . . . . . . . . . . 346
OnStar®Overview . . . . . . . . . . . . . . 345
OnStar®Security . . . . . . . . . . . . . . . 346
Operating Mode
Overheated EngineProtection . . . . . . . . . . . . . . . . . . . 246
Ordering Service Publications . . . . . . . . . . 340
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . 103
Overheated Engine Protection Operating Mode . . . . 246
Overheating, Engine . . . . . . . . . . . . 245
P
Park
Shifting Into . . . . . . . . . . . . . . . . . . . 183
Shifting Out of . . . . . . . . . . . . . . . . 184 Parking
Brake . . . . . . . . . . . . . . . . . . . . . . . . . 190
Brake and P (Park)
Mechanism Check . . . . . . . . . . 252
Over Things That Burn . . . . . . . 185
Parking or Backing Assistance Systems . . . . . . . . . . 205
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . . 112
Passenger Compartment Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Passenger Sensing System . . . . . 71
Perchlorate Materials Requirements, California . . . . . . 228
Personalization Vehicle . . . . . . . . . . . . . . . . . . . . . . . 139
Power Door Locks . . . . . . . . . . . . . . . . . . . . . 36
Flows . . . . . . . . . . . . . . . . . . . . . . . . . 122
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Outlets . . . . . . . . . . . . . . . . . . . . . . . 103
Protection, Battery . . . . . . . . . . . . 155
Retained Accessory (RAP) . . . 183
Seat Adjustment . . . . . . . . . . . . . . . . 53
Steering Fluid . . . . . . . . . . . . . . . . . 247
Windows . . . . . . . . . . . . . . . . . . . . . . . 45
Pregnancy, Using Safety Belts . . . 64 Privacy
Vehicle Data Recording . . . . . . . 342
Program Courtesy Transportation . . . . . . 336
Proposition 65 Warning,
California . . . . . . . . . 227, 250, 297, 298
R
Radio Frequency Statement . . . . 341
Reading Lamps . . . . . . . . . . . . . . . . . 153
Rear Seat Armrest . . . . . . . . . . . . . . . 59
Rear Seats . . . . . . . . . . . . . . . . . . . . . . 58
Rear Window Sunshade . . . . . . . . . 47
Rearview Mirrors . . . . . . . . . . . . . . . . 44
Automatic Dimming . . . . . . . . . . . . . 45
Reclining Seatbacks . . . . . . . . . . . . . 54
Recommended Fluids and Lubricants . . . . . . . . . . . . . . . . . . . . . 323
Records Maintenance . . . . . . . . . . . . . . . . . . 325
Recreational Vehicle Towing . . . . 301
Reimbursement Program,
GM Mobility . . . . . . . . . . . . . . . . . . . 334
Remote Keyless Entry (RKE) System . . . . . . . . . . . . . . . . . . . . . . . . . 28
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 PartsAirbags . . . . . . . . . . . . . . . . . . . . . . . . . 77
Maintenance . . . . . . . . . . . . . . . . . . 324
Replacing Airbag System . . . . . . . . 77
Replacing LATCH System Parts after a Crash . . . . . . . . . . . . . 91
Replacing Safety Belt System
Parts after a Crash . . . . . . . . . . . . . 65
Reporting Safety Defects Canadian Government . . . . . . . . 342
General Motors . . . . . . . . . . . . . . . 342
U.S. Government . . . . . . . . . . . . . 341
Restraints Where to Put . . . . . . . . . . . . . . . . . . . 83
Retained Accessory Power (RAP) . . . . . . . . . . . . . . . . . . 183
Reverse Tilt Mirrors . . . . . . . . . . . . . . 44
Ride Control Systems Enhanced TractionSystem (ETS) . . . . . . . . . . . . . . . 194
Messages . . . . . . . . . . . . . . . . . . . . 136
Selective . . . . . . . . . . . . . . . . . . . . . 194
Roads Driving, Wet . . . . . . . . . . . . . . . . . . 168
Roadside Assistance
Program . . . . . . . . . . . . . . . . . . . . . . . 334
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 47 Rotation, Tires . . . . . . . . . . . . . . . . . . 277
Routing, Engine Drive Belt . . . . . . 329
Running the Vehicle While
Parked . . . . . . . . . . . . . . . . . . . . . . . . 186
S
Safety Belts . . . . . . . . . . . . . . . . . . . . . 59Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Extender . . . . . . . . . . . . . . . . . . . . . . . . 64
How to Wear Safety BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . 60
Lap-Shoulder Belt . . . . . . . . . . . . . . 61
Reminders . . . . . . . . . . . . . . . . . . . . . 111
Replacing after a Crash . . . . . . . . 65
Use During Pregnancy . . . . . . . . . . 64
Safety Defects Reporting Canadian Government . . . . . . . . 342
General Motors . . . . . . . . . . . . . . . 342
U.S. Government . . . . . . . . . . . . . 341
Safety Locks . . . . . . . . . . . . . . . . . . . . . 37
Safety System Check . . . . . . . . . . . . 64
Scheduling Appointments . . . . . . . 336
Sealant Kit, Tire . . . . . . . . . . . . . . . . 285
Seats Adjustment, Front . . . . . . . . . . . . . . . 52
Head Restraints . . . . . . . . . . . . . . . . 50
Heated and Ventilated Front . . . . 56
Lumbar Adjustment, Front . . . . . . 53
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 55 Seats (cont'd)
Power Adjustment, Front . . . . . . . 53
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Reclining Seatbacks . . . . . . . . . . . . 54
Securing Child Restraints . . . . 91, 93
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Messages . . . . . . . . . . . . . . . . . . . . 137
OnStar
®. . . . . . . . . . . . . . . . . . . . . . 346
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 40
Vehicle Alarm . . . . . . . . . . . . . . . . . . . 40
Selective Ride Control . . . . . . . . . . 194
Service . . . . . . . . . . . . . . . . . . . . . . . . . 162 Accessories and
Modifications . . . . . . . . . . . . . . . . 228
Doing Your Own Work . . . . . . . . 229
Engine Soon Light . . . . . . . . . . . . .114
Maintenance Records . . . . . . . . 325
Maintenance, General Information . . . . . . . . . . . . . . . . . . 313
Parts Identification Label . . . . . 326
Publications Ordering Information . . . . . . . . . . . . . . . . . . 340
Scheduling Appointments . . . . . 336
Vehicle Messages . . . . . . . . . . . . 137
Service Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . 116