heater BUICK LACROSSE 2018 User Guide

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-10999169) -
2018 - crc - 3/28/17
256 Vehicle Care
FusesUsage
48 Engine boost/Left cooling fan
49 DC DC battery 2/AWD
50 –
51 –
52 –
53 –
54 –
55 –
56 –
57 Transmission auxiliary pump
58 TRCM
59 High-beam headlamps
60 Cooling fan
61 –
62 –
63 –
65 A/C HEV Fuses
Usage
67 –
68 –
69 Right HID low-beam headlamps
70 Left HID low-beam headlamps
72 Starter pinion
74 Starter motor
75 Engine control module
76 Powertrain –off
engine
77 –
78 Horn
79 Washer pump
81 Transmission control module/ Engine
control module
82 –
83 Ignition coils
84 Coil Fuses
Usage
85 Engine control module switch 2
86 Engine control module switch 1
87 SAI reaction pump
88 Aeroshutter
89 Headlamp washer
91 –
92 TPIM motor generator unit pump
93 Headlamp leveling
95 SAI reaction solenoid
96 Fuel heater
97 –
99 Coolant pump
Relays Usage
4 AC DC inverter
20 Rear defogger
25 Front wiper control
31 Run/Crank

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-10999169) -
2018 - crc - 3/28/17
Index 353
DrivingAssistance Systems . . . . . . . . . . 207
Characteristics and
Towing Tips . . . . . . . . . . . . . . . . . 221
Defensive . . . . . . . . . . . . . . . . . . . . . 161
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 161
For Better Fuel Economy . . . . . . . 26
Hill and Mountain Roads . . . . . . 164
If the Vehicle is Stuck . . . . . . . . . 166
Loss of Control . . . . . . . . . . . . . . . 163
Off-Road Recovery . . . . . . . . . . . 162
Vehicle Load Limits . . . . . . . . . . . 166
Wet Roads . . . . . . . . . . . . . . . . . . . 163
Winter . . . . . . . . . . . . . . . . . . . . . . . . 165
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 152
E
Electric Parking Brake . . . . . . . . . . 188
Electric Parking Brake Light . . . . 119
Electrical Equipment,
Add-On . . . . . . . . . . . . . . . . . . . . . . . 226
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 254
Fuses and Circuit Breakers . . . 253
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 257
Overload . . . . . . . . . . . . . . . . . . . . . 253 Emergency
OnStar . . . . . . . . . . . . . . . . . . . . . . . 340
Energy Information . . . . . . . . . . . . . 126
Engine Air Cleaner/Filter . . . . . . . . . . . . . 238
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . .117
Compartment Overview . . . . . . . 231
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . .114
Coolant Temperature
Warning Light . . . . . . . . . . . . . . . 122
Cooling System . . . . . . . . . . . . . . . 239
Drive Belt Routing . . . . . . . . . . . . 324
Exhaust . . . . . . . . . . . . . . . . . . . . . . 180
Heater . . . . . . . . . . . . . . . . . . . . . . . . 175
Oil Life System . . . . . . . . . . . . . . . 237
Oil Pressure Light . . . . . . . . . . . . 123
Overheated Protection Operating Mode . . . . . . . . . . . . . 244
Overheating . . . . . . . . . . . . . . . . . . 243
Power Messages . . . . . . . . . . . . . 132
Running While Parked . . . . . . . . 180
Starting . . . . . . . . . . . . . . . . . . . . . . . 172
Entry Lighting . . . . . . . . . . . . . . . . . . . 149
Equipment, Towing . . . . . . . . . . . . . 225
Event Data Recorders . . . . . . . . . . 337
Exit Lighting . . . . . . . . . . . . . . . . . . . . 149 Extended Parking . . . . . . . . . . . . . . . 179
Extender, Seat Belt . . . . . . . . . . . . . . 67
Exterior Lamp Controls . . . . . . . . . 144
Exterior Lamps Off Reminder . . . 145
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . . . 150
F
FeaturesMemory . . . . . . . . . . . . . . . . . . . . . . . . . 11
Filter, Engine Air Cleaner . . . . . . . . . . . 238
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 145
Flashers, Hazard Warning . . . . . . 146
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 279 Changing . . . . . . . . . . . . . . . . . . . . . 287
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 308
Fluid
Automatic Transmission . . . . . . 238
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 246
Washer . . . . . . . . . . . . . . . . . . . . . . . 245
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 147
Folding Mirrors . . . . . . . . . . . . . . . . . . 45
Forward Automatic Braking . . . . . 210
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . 208
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 335

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-10999169) -
2018 - crc - 3/28/17
354 Index
Front Fog LampLight . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . 211
Front Seats Heated and Ventilated . . . . . . . . . . 58
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Additives . . . . . . . . . . . . . . . . . . . . . 219
Economy Driving . . . . . . . . . . . . . . . 26
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 220
Filling the Tank . . . . . . . . . . . . . . . 219
Foreign Countries . . . . . . . . . . . . 219
Gauge . . . . . . . . . . . . . . . . . . . . . . . . .113
Low Fuel Warning Light . . . . . . . 123
Requirements, California . . . . . 218
Fuses Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 254
Fuses and Circuit Breakers . . . 253
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 257
G
Garage Door Opener . . . . . . . . . . . 140Programming . . . . . . . . . . . . . . . . . 140
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 249
Gauges Driver Efficiency . . . . . . . . . . . . . . .114 Gauges (cont'd)
Engine Coolant
Temperature . . . . . . . . . . . . . . . . .114
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Odometer . . . . . . . . . . . . . . . . . . . . . .112
Speedometer . . . . . . . . . . . . . . . . . .112
Tachometer . . . . . . . . . . . . . . . . . . . .112
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . 109
General Information Service and Maintenance . . . . . 310
Towing . . . . . . . . . . . . . . . . . . . . . . . . 221
Vehicle Care . . . . . . . . . . . . . . . . . . 228
Glove Box . . . . . . . . . . . . . . . . . . . . . . 100
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . 329
H
Hazard Warning Flashers . . . . . . . 146
Head Restraints . . . . . . . . . . . . . . . . . 52
Head-up Display . . . . . . . . . . . . . . . . 129
HeadlampsAdaptive ForwardLighting (AFL) . . . . . . . . . . . . . . . 146
Aiming . . . . . . . . . . . . . . . . . . . . . . . . 251
Automatic . . . . . . . . . . . . . . . . . . . . . 145
Bulb Replacement . . . . . . . . . . . . 251
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . 145 Headlamps (cont'd)
Flash-to-Pass . . . . . . . . . . . . . . . . . 145
High Intensity Discharge
(HID) Lighting . . . . . . . . . . . . . . . 251
High-Beam On Light . . . . . . . . . . 124
High/Low Beam Changer . . . . . 145
Lamps On Reminder . . . . . . . . . 124
Heated Steering Wheel . . . . . . . . . . . . . . . 104
Heated and Ventilated Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Heated Mirrors . . . . . . . . . . . . . . . . . . . 45
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . 175
Heating . . . . . . . . . . . . . . . . . . . . . . . . . 152
High-Beam On Light . . . . . . . . . . . . 124
High-Speed Operation . . . . . . . . . . 267
Hill and Mountain Roads . . . . . . . . 164
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
How to Wear Seat Belts Properly . . . . . . . . . . . . . . . . . . . . . . . . 63
HVAC . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
I
Ignition Positions . . . . . . . . . . . . . . . 170
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 43