Page 362 of 420

Fuses Usage
8 Horn
9 Right Headlamp Low-Beam
10 Front Fog Lamps
11 Left Headlamp High-Beam
12 Right Headlamp High-Beam
13Engine Control Module BATT
(LY7 & LE5)
14 Windshield Wiper
15 Antilock Brake System (IGN 1)
16Engine Control Module IGN 1
(LY7 & LE5)
17 Cooling Fan 1
18 Cooling Fan 2
19Run Relay, Heating, Ventilation,
Air Conditioning Blower
20 Body Control Module 1
21 Body Control Module Run/Crank
22 Rear Electrical Center 1
23 Rear Electrical Center 2
24 Antilock Brake SystemFuses Usage
25 Body Control Module 2
26 Starter
41 Electric Power Steering
42Transmission Control Module
Battery
43Ignition Module (LZ4, LZE & LE5);
Injectors, Ignition Coils Odd (LY7)
44Injectors (LZ4, LZE & LE5);
Injectors, Ignition Coils Even (LY7)
45Post Cat 02 Sensor Heaters
(LY7, LZ4 & LZE)
46 Daytime Running Lamps
47 Center High-Mounted Stoplamp
50 Driver Power Window
51Engine Control Module BATT
(LZ4 & LZE)
52 AIR Solenoid
54 Regulated Voltage Control
55 DC/AC Inverter
56 Antilock Brake System BATT
5-104
Page 363 of 420
Relays Usage
28 Cooling Fan 1
29 Cooling Fan Series/Parallel
30 Cooling Fan 2
31 Starter
32 Run/Crank, Ignition
33 Powertrain
34 Air Conditioning Clutch
35 High Beam
36 Front Fog Lamps
37 Horn
38 Low-Beam Headlamp
39 Windshield Wiper 1
40 Windshield Wiper 2
48 Daytime Running Lamps
49 Stoplamps
53 AIR Solenoid
Diodes Usage
27 Wiper
Rear Compartment Fuse Block
The rear compartment fuse block is located in the trunk
of the vehicle. Access the fuse block through the
trunk panel on the driver side of the rear cargo area.
5-105
Page 378 of 420

Automatic Transmission Shift Lock
Control System Check
{CAUTION:
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. It should be parked on a
level surface.
2. Firmly apply the parking brake. SeeParking Brake
on page 2-32.
Be ready to apply the regular brake immediately if
the vehicle begins to move.3. With the engine off, turn the ignition to ON/RUN,
but do not start the engine. Without applying the
regular brake, try to move the shift lever out
of P (Park) with normal effort. If the shift lever
moves out of P (Park), contact your dealer/retailer
for service.Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition to LOCK/OFF in each shift lever position.
The ignition should turn to LOCK/OFF only
when the shift lever is in P (Park).
The ignition key should come out only in
LOCK/OFF.
Contact your dealer/retailer if service is required.
6-10
Page 405 of 420

OnStar®
If your vehicle has OnStar and you subscribe to the
OnStar services, please refer to the OnStar Terms and
Conditions for information on data collection and use.
See alsoOnStar
®System on page 2-40in this manual
for more information.
Navigation System
If your vehicle has a navigation system, use of the
system may result in the storage of destinations,
addresses, telephone numbers, and other trip
information. Refer to the navigation system operating
manual for information on stored data and for deletion
instructions.
Radio Frequency
Identi cation (RFID)
RFID technology is used in some vehicles for functions
such as tire pressure monitoring and ignition system
security, as well as in connection with conveniences
such as key fobs for remote door locking/unlocking and
starting, and in-vehicle transmitters for garage door
openers. RFID technology in GM vehicles does not use
or record personal information or link with any other
GM system containing personal information.
7-19
Page 413 of 420

High-Speed Operation, Tires.............................5-60
Highway Hypnosis...........................................4-15
Hill and Mountain Roads..................................4-16
Hood
Checking Things Under................................5-14
Release.....................................................5-14
Horn ............................................................... 3-6
How to Wear Safety Belts Properly...................1-17
I
Ignition Positions.............................................2-22
Infants and Young Children, Restraints...............1-35
In ation - Tire Pressure...................................5-59
Instrument Panel
Brightness..................................................3-16
Cluster.......................................................3-29
Overview..................................................... 3-4
Storage Area..............................................2-50
Introduction...................................................... 6-2
J
Jump Starting.................................................5-43
K
Keyless Entry, Remote Operation........................ 2-5
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Labeling, Tire Sidewall.....................................5-53
Lamp
Malfunction Indicator....................................3-38
Lamps
Daytime Running (DRL)................................3-14
Dome ........................................................3-16
License Plate..............................................5-49
Reading.....................................................3-16
Lap-Shoulder Belt...........................................1-26
LATCH System for Child Restraints...................1-44
Latches, Seatback............................................ 1-8
Lift Seat, Power............................................... 1-9
Lighting
Entry/Exit...................................................3-16
Parade Dimming..........................................3-16
7