Page 421 of 476
Fuses Usage
1 Trunk, Door Locks
2 Electronic Level Control
3 Rear Wiper
4 Radio, DVD Player
5 Interior Lamps
6 OnStar
®
7 Keyless Entry Module
8Cluster, Heating, Ventilation,
Air Conditioning
9 Cruise Switch
10 Steering Wheel Illumination
11 Power Mirror
12 Stoplamp, Turn Lamps
13 Heated Seats
14 Blank
15 Electronic Level Control
16 Heated Mirror
17Center High-Mounted Stoplamp,
Back-up Lamps
18 Blank
Fuses Usage
19 Canister Vent Solenoid
20 Park Lamps
21 Power Sliding Door
22 Blank
23 Blank
24 Left Power Sliding Door
25 Right Power Sliding Door
Relays Usage
26 Blank
27 Blank
28 Park Lamps, Taillamps
29 Retained Accessory Power
30 Rear Defog
PLR Fuse Puller
Circuit
BreakersUsage
31 Power Seats
32 Power Window
5-101
Page 422 of 476
Underhood Fuse Block
The underhood fuse block is located in the engine compartment. For more information on location seeEngine
Compartment Overview on page 5-12.
Notice:Spilling liquid on any electrical components on your vehicle may damage it. Always keep the covers
on any electrical component.
Your vehicle may not have all the fuses listed.
5-102
Page 423 of 476
Fuses Usage
1 Right High-Beam
2 Fuel Pump
3 Diode
BLANK Not Used
BLANK Not Used
4 Left High-Beam
BLANK Not Used
BLANK Not Used
BLANK Not Used
5 Not Used
6 Air Conditioning Clutch
7 Horn
8 Left Low-Beam
9Powertrain Control Module,
Electronic Throttle Control
10 Not Used
11 Transmission Solenoid
12 Right Low-BeamFuses Usage
13 Antilock Brake System
14 Powertrain Control Module Ignition
15 Electronic Ignition
16 Fuel Injector
17Climate Control, RPA, Cruise
Control
18 Electronic Throttle Control
19 Engine Sensor, Evaporator
20 Airbag
21 Not Used
22 Not Used
23 Auxiliary Power
24 Front Windshield Washer
25 AC/DC Inverter
26 Rear Blower
27 Front Blower
28 Front Windshield Wiper
5-103
Page 424 of 476
J-Case Fuses Usage
PLR Fuse Puller
29 Fan 1
30 Starter Solenoid
31 Antilock Brake System Motor
32 Blank
33 Fan 2
34 Front Blower High
35 Battery Main 3
36 Rear Defogger
37 Battery Main 2
38 SpareRelays Usage
RUN RLY Starter
LO BEAM Low-Beam
FUEL PUMP Fuel Pump
HORN Horn
AC/CLTCH Air Conditioning Clutch
HI BEAM High-Beam
PWR/TRN Powertrain
WPR2 Wiper 2
WPR1 Wiper 1
FAN 1 Fan 1
CRNK Crank
IGN MAIN Ignition Main
FAN2 Fan 2
FAN3 Fan 3
BLANK Not Used
5-104
Page 466 of 476

Customer Assistance Information (cont.)
Reporting Safety Defects to General Motors....7-14
Reporting Safety Defects to the Canadian
Government............................................7-14
Reporting Safety Defects to the
United States Government.........................7-14
Roadside Assistance Program......................... 7-6
Service Publications Ordering Information........7-15
D
Daytime Running Lamps/Automatic Headlamp
System......................................................3-16
Defensive Driving............................................. 4-2
Delayed Lighting.............................................3-18
Delayed Locking.............................................2-12
DIC Compass.................................................3-56
Disc, MP3......................................................3-98
Doing Your Own Service Work........................... 5-4
Dome Lamp...................................................3-18
Door
Automatic Door Lock....................................2-12
Delayed Locking..........................................2-12
Dual Sliding Doors.......................................2-13
Locks........................................................2-10
Power Door Locks.......................................2-11
Power Sliding Door......................................2-16
Programmable Automatic Door Unlock............2-13Driver Information Center (DIC).........................3-50
DIC Operation and Displays..........................3-50
DIC Vehicle Personalization..........................3-76
DIC Warnings and Messages........................3-58
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.................4-21
Winter........................................................4-17
Dual Climate Control System............................3-27
DVD
Rear Seat Entertainment System..................3-102
E
EDR .............................................................7-16
Electrical System
Add-On Equipment......................................5-99
Fuses and Circuit Breakers.........................5-100
Headlamp Wiring.........................................5-99
Instrument Panel Fuse Block.......................5-100
Power Windows and Other Power Options......5-99
Underhood Fuse Block...............................5-102
Windshield Wiper Fuses...............................5-99
4
Page 467 of 476

Engine
Air Cleaner/Filter.........................................5-18
Check and Service Engine Soon Light............3-44
Coolant......................................................5-22
Coolant Heater............................................2-34
Coolant Temperature Gage...........................3-43
Drive Belt Routing.......................................6-14
Engine Compartment Overview......................5-12
Exhaust.....................................................2-41
Oil .............................................................5-13
Oil Life System...........................................5-16
Overheated Protection Operating Mode...........5-25
Overheating................................................5-24
Running While Parked..................................2-42
Starting......................................................2-32
Entry Lighting.................................................3-18
Event Data Recorders.....................................7-16
Exit Lighting...................................................3-19
Extender, Safety Belt.......................................1-42
Exterior Lamps...............................................3-14
F
Filter
Engine Air Cleaner......................................5-18
Finish Damage...............................................5-96
Fixed Mast Antenna.......................................3-121
Flashers, Hazard Warning.................................. 3-6Flash-to-Pass................................................... 3-8
Flat Tire........................................................5-72
Flat Tire, Changing.........................................5-73
Flat Tire, Storing.............................................5-86
Fluid.............................................................5-20
Power Steering...........................................5-31
Windshield Washer......................................5-32
Folding Tray...................................................2-59
Front Console Storage Area.............................2-59
Front Reading Lamps......................................3-19
Front Turn Signal, Parking and Daytime
Running Lamps...........................................5-44
Fuel............................................................... 5-5
Additives...................................................... 5-6
California Fuel.............................................. 5-5
E85 (85% Ethanol)........................................ 5-6
Filling a Portable Fuel Container....................5-10
Filling the Tank............................................. 5-8
Fuels in Foreign Countries.............................. 5-7
Gage.........................................................3-49
Gasoline Octane........................................... 5-5
Gasoline Speci cations.................................. 5-5
Low Warning Light.......................................3-49
Fuses
Fuses and Circuit Breakers.........................5-100
Instrument Panel Fuse Block.......................5-100
Underhood Fuse Block...............................5-102
Windshield Wiper.........................................5-99
5
Page 476 of 476

W
Warning Lights, Gages and Indicators................3-34
Warnings
DIC Warnings and Messages........................3-58
Hazard Warning Flashers............................... 3-6
Other Warning Devices.................................. 3-6
Safety and Symbols......................................... iii
Vehicle Damage.............................................. iv
Wheels
Alignment and Tire Balance..........................5-68
Different Size..............................................5-66
Replacement...............................................5-68
Where to Put the Restraint...............................1-52
Windows.......................................................2-24
Manual Rear Quarter...................................2-26
Power........................................................2-25
Power Rear Quarter.....................................2-26Windshield
Backglass, and Wiper Blades, Cleaning..........5-95
Washer........................................................ 3-9
Washer Fluid..............................................5-32
Wiper Blade Replacement.............................5-47
Wiper Fuses...............................................5-99
Wipers......................................................... 3-9
Windshield, Rear Washer/Wiper........................3-10
Winter Driving................................................4-17
Wiper Activated Headlamps..............................3-15
X
XM Radio Messages.....................................3-101
XM™ Satellite Radio Antenna System..............3-121
Y
Your Vehicle and the Environment....................... 6-2
14