2009 BUICK LACROSSE fuses

Fuses Usage
DR/LCK
TRUNKDoor Locks, Trunk
HAZRD Turn Signal, Hazard
HTD/MIR Heated Mirrors
HTD/SEAT Heated Seats
HVAC Climate Control System
INT/ILLUM Interior Lamps
ONSTAR/ALDL OnStar
®, Data Link
PRK/LAMP Park Lamps
PRK/SWTCH Ignition Key Lock
PWR/MIR Power Mirrors
PWR/SEAT Power Seats
PWR/WNDW Power Window
RDO/AMP Radio, Amplier
Fuses Usage
RFA/MOD Remote Keyless Entry
S/ROOF Sunroof
STR/WHL/
ILLUMSteering Wheel Controls Illumination
Relays Usage
RAP Retained Accessory Power
PRK/LAMP Park Lamp Relay
R/DEFOG Rear Defogger Relay
Underhood Fuse Block
Some fuses and relays are located in the underhood
fuse block on the passenger side of the vehicle in
the engine compartment. SeeEngine Compartment
Overview on page 5-12for more information on location.
Notice:Spilling liquid on any electrical components
on the vehicle may damage it. Always keep the
covers on any electrical component.
5-101

Mini-Fuses Usage
1 Driver Side High-Beam
2 Passenger Side High-Beam
3 Driver Side Low-Beam
4 Passenger Side Low-Beam
5 Windshield Wiper
Mini-Fuses Usage
6 Washer/Regulated Voltage Control
7 Fog Lamps
8 Transmission Control Module
9 Supplemental Inatable Restraint
10 Auxiliary Power
11 Horn
12 Emission
13 Air Conditioner Clutch
14 Oxygen Sensor
15 Powertrain Control Module
16Powertrain Control Module,
Electronic Throttle Control
17 Electronic Throttle Control
18 Display
19 Antilock Brake Solenoid
20 Fuel Injector
21 Transmission Solenoid
22 Fuel Pump
23 Antilock Brake System
24 Ignition 3.8L V6 Engines
5-102

J-Style Fuses Usage
25 Air Pump
26 Battery Main 1
27 Battery Main 2
28 Battery Main 3
29 Fan 1
30 Battery Main 4
31 Antilock Brake System Motor
32 Fan 2
33 Starter
Micro-Relays Usage
34 Headlamp High-Beam
35 Headlamp Driver Module
36 Fog Lamp
37 Ignition 1
38 Air Conditioning Compressor
Micro-Relays Usage
39 Horn
40 Powertrain
41 Fuel Pump
Mini-Relays Usage
42 Fan 1
43 Fan 3
44 Windshield Wiper High
45 Windshield Wiper
46 Fan 2
48 Crank
Fuse Puller Usage
55 Fuse Puller
Diodes Usage
§Air Conditioner Compressor Clutch
Diode
5-103

Fuses Usage
A/C CMPRSR Air Conditioning Compressor
ABS Antilock Brake System (ABS)
ABS MTR ABS Motor
ABS SOL ABS Solenoid
AIRBAG/
DISPLAYAirbag, Display
AUX PWR Auxiliary Power
Fuses Usage
BATT 1 Battery 1
BATT 2 Battery 2
BATT 3 Battery 3
BATT 4 Battery 4
COMPASS Compass
ECM IGNEngine Control Module (ECM),
Ignition
ECM/TCMECM, Transmission Control
Module (TCM)
EMISSIONS1 Emissions 1
EMISSIONS 2 Emissions 2
ETC/ECM Electronic Throttle Control, ECM
FAN 1 Cooling Fan 1
FAN 2 Cooling Fan 2
FOGLAMPS Fog Lamps
FUEL/PUMP Fuel Pump
HORN Horn
HVAC Climate Control System 5.3L V8 Engine
5-104

Fuses Usage
INJ 1 Injectors 1
INJ 2 Injectors 2
LT HI BEAM Driver Side High-Beam Headlamps
LT LO BEAM Driver Side Low-Beam Headlamp
RT HI BEAMPassenger Side High-Beam
Headlamp
RT LO BEAMPassenger Side Low-Beam
Headlamp
STRTR Starter
TRANS Transmission
WPR Windshield Wipers
WSW/RVC1Windshield Washers, Regulated
Voltage ControlRelays Usage
A/C CMPRSR Air Conditioning Compressor
FAN 1 Cooling Fan 1
FAN 2 Cooling Fan 2
FAN 3 Cooling Fan 3
FUEL/PUMP Fuel Pump
HDM Headlamp Driver Module
PWR/TRN Powertrain
STRTR Starter
5-105

Customer Assistance Information (cont.)
Reporting Safety Defects to the
Canadian Government..............................7-15
Reporting Safety Defects to the
United States Government.........................7-15
Roadside Assistance Program......................... 7-7
Service Publications Ordering Information........7-16
D
Daytime Running Lamps/Automatic
Headlamp System.......................................3-14
Defensive Driving............................................. 4-2
Delayed Entry Lighting.....................................3-17
Delayed Exit Lighting.......................................3-17
Delayed Locking.............................................2-10
DIC Compass.................................................3-54
Disc, MP3......................................................3-95
Doing Your Own Service Work........................... 5-4
Door
Ajar Light...................................................3-45
Automatic Door Lock....................................2-10
Delayed Locking..........................................2-10
Locks.......................................................... 2-9
Power Door Locks......................................... 2-9
Programmable Automatic Door Unlock............2-10
Rear Door Security Locks.............................2-11Driver Information Center (DIC).........................3-47
DIC Operation and Displays..........................3-48
DIC Vehicle Personalization..........................3-74
DIC Warnings and Messages........................3-56
Driving
At Night.....................................................4-13
Before a Long Trip......................................4-15
Defensive..................................................... 4-2
Drunken....................................................... 4-3
Highway Hypnosis.......................................4-15
Hill and Mountain Roads..............................4-16
In Rain and on Wet Roads...........................4-14
Rocking Your Vehicle to Get it Out.................4-20
Winter........................................................4-17
Driving for Better Fuel Economy......................... 4-2
Dual Automatic Climate Control System.............3-25
E
EDR .............................................................7-17
Electrical System
Add-On Equipment......................................5-99
Fuses and Circuit Breakers...........................5-99
Headlamp Wiring.........................................5-99
Instrument Panel Fuse Block.......................5-100
Power Windows and Other Power
Options...................................................5-99
4

Electrical System (cont.)
Underhood Fuse Block...............................5-101
Windshield Wiper Fuses...............................5-99
Electronic Immobilizer
PASS-Key
®III+...........................................2-18
Electronic Immobilizer Operation
PASS-Key
®III .............................................2-19
Engine
Air Cleaner/Filter.........................................5-20
Change Engine Oil Light...............................3-43
Check and Service Engine Soon Lamp...........3-40
Coolant......................................................5-25
Coolant Heater............................................2-24
Coolant Temperature Gage...........................3-38
Coolant Temperature Warning Light................3-38
Drive Belt Routing.......................................6-14
Engine Compartment Overview......................5-12
Exhaust.....................................................2-33
Oil .............................................................5-15
Oil Life System...........................................5-18
Overheated Protection Operating Mode...........5-34
Overheating................................................5-31
Reduced Power Light...................................3-44
Starting......................................................2-23
Enhanced Traction System (ETS)........................ 4-8
Warning Light.............................................3-37
Entry Lighting.................................................3-16Event Data Recorders.....................................7-17
Extender, Safety Belt.......................................1-29
Exterior Lamps...............................................3-13
Exterior Lighting Battery Saver..........................3-15F
Filter
Engine Air Cleaner......................................5-20
Finish Damage...............................................5-97
Flashers, Hazard Warning.................................. 3-6
Flash-to-Pass................................................... 3-8
Flat Tire........................................................5-76
Flat Tire, Changing.........................................5-76
Flat Tire, Storing.....................................5-84, 5-87
Fluid
Automatic Transmission................................5-22
Power Steering...........................................5-34
Windshield Washer......................................5-35
Fog Lamp
Fog ...........................................................3-15
Folding Rear Seat............................................ 1-7
Fuel............................................................... 5-5
Additives...................................................... 5-7
California Fuel.............................................. 5-6
Check Gas Cap Light...................................3-47
Driving for Better Economy............................. 4-2
5

Fuel (cont.)
Filling a Portable Fuel Container....................5-10
Filling the Tank............................................. 5-8
Fuels in Foreign Countries.............................. 5-7
Gage .........................................................3-46
Gasoline Octane........................................... 5-6
Gasoline Specications.................................. 5-6
Low Warning Light.......................................3-47
Fuses
Fuses and Circuit Breakers...........................5-99
Instrument Panel Fuse Block.......................5-100
Underhood Fuse Block...............................5-101
Windshield Wiper.........................................5-99
G
Gage
Engine Coolant Temperature.........................3-38
Fuel..........................................................3-46
Speedometer..............................................3-32
Tachometer.................................................3-32
Garage Door Opener.......................................2-43
Gasoline
Octane........................................................ 5-6
Specications............................................... 5-6
Glove Box.....................................................2-47
GM Mobility Reimbursement Program.................. 7-7
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-6
Headlamp
Aiming .......................................................5-46
Headlamp Wiring............................................5-99
Headlamps
Bulb Replacement.......................................5-49
Daytime Running Lamps/Automatic
Headlamp System....................................3-14
Exterior Lamps............................................3-13
Flash-to-Pass............................................... 3-8
Halogen Bulbs............................................5-49
High/Low Beam Changer................................ 3-8
Suggested Light..........................................3-44
Heated Seats................................................... 1-3
Heater...........................................................3-21
Engine Coolant...........................................2-24
Heater...........................................................3-25
Highbeam On Light.........................................3-44
Highway Hypnosis...........................................4-15
Hill and Mountain Roads..................................4-16
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn ............................................................... 3-6
How to Wear Safety Belts Properly...................1-13
6