Page 218 of 393

4-17
Off-road driving involves some new skills. And that's
why it's very important that you read this guide. You'll
find many driving tips and suggestions. These will help
make your off
-road driving safer and more enjoyable.
Before You Go Off-Roading
There are some things to do before you go out. For
example, be sure to have all necessary maintenance and
service work done. Check to make sure all underbody
shields (if so equipped) are properly attached. Is there
enough fuel? Is the spare tire fully inflated? Are the fluid
levels up where they should be? What are the local laws
that apply to off
-roading where you'll be driving? If you
don't know, you should check with law enforcement
people in the area. Will you be on someone's private
land? If so, be sure to get the necessary permission.
Loading Your Vehicle for Off-Road Driving
There are some important things to remember about
how to load your vehicle.
The heaviest things should be on the load floor and
forward of your rear axle. Put heavier items as far
forward as you can.
Be sure the load is secured properly, so driving on
the off
-road terrain doesn't toss things around.
CAUTION:
Cargo on the load floor piled higher than the
seatbacks can be thrown forward during a
sudden stop. You or your passengers could
be injured. Keep cargo below the top of
the seatbacks.
Unsecured cargo on the load floor can be
tossed about when driving over rough
terrain. You or your passengers can be
struck by flying objects. Secure the
cargo properly.
Heavy loads on the roof raise the vehicle's
center of gravity, making it more likely to
roll over. You can be seriously or fatally
injured if the vehicle rolls over. Put heavy
loads inside the cargo area, not on the roof.
Keep cargo in the cargo area as far forward
and low as possible.
You'll find other important information in this manual.
See ªVehicle Loading,º ªLuggage Carrierº and ªTiresº
in the Index.
Page 247 of 393

4-46
If you put things inside your vehicle -- like suitcases,
tools, packages, or anything else
-- they will go as fast
as the vehicle goes. If you have to stop or turn quickly,
or if there's a crash, they'll keep going.
CAUTION:
Things you put inside your vehicle can strike and
injure people in a sudden stop or turn, or in a crash.
Put things in the cargo area of your vehicle.
Try to spread the weight evenly.
Never stack heavier things, like suitcases, inside
the vehicle so that some of them are above the
tops of the seats.
Don't leave an unsecured child restraint in
your vehicle.
When you carry something inside the vehicle,
secure it whenever you can.
Don't leave a seat folded down unless you
need to.
There's also important loading information for off-road
driving in this manual. See ªLoading Your Vehicle for
Off
-Road Drivingº in the Index.
Electronically Controlled Air
Suspension System
Your vehicle is equipped with an electronically
controlled air suspension system that automatically
keeps your vehicle level as you load and unload.
The system includes a compressor, two height
sensors and two air springs supporting the rear axle.
The system also has an internal clock to prevent
overheating. If the system overheats, all leveling
function stops until the system cools down.
During this time, the indicator light on the air
inflator system will be flashing.
The ignition has to be on for the system to inflate,
in order to raise the vehicle to the standard ride height
after loading. The system can lower the vehicle to the
standard ride height after unloading with the ignition on
and also for up to 30 minutes after the ignition has been
turned off.
You may hear the compressor operating when you load
your vehicle, and periodically as the system adjusts the
vehicle to the standard ride height.
Load leveling will not function normally with the inflator
hose attached to the inflator outlet. Remove the inflator
hose from the outlet during loading and unloading.
Page 276 of 393
5-19
The following steps will tell you how to use the jack and
change a tire.
Removing the Spare Tire and Tools
The jacking equipment you'll need is stored under
the rear seat on the passenger's side of the vehicle.
See ªRear Seatsº in the Index for more information
on accessing the jacking equipment under the rear seat.
Page 288 of 393
5-31
4. Raise the tire fully against the underside of the vehicle.
Continue turning the wheel wrench until the tire is
secure and the cable is tight. The spare tire hoist cannot
be overtightened.
5. Make sure the tire is stored securely. Push, pull, and
then try to rotate or turn the tire. If the tire moves,
use the wheel wrench to tighten the cable.Return the jack, wheel wrench and wheel blocks to the
proper location under the rear seat of the vehicle. Secure
the items and return the rear seat to its proper position.
A. Handle
B. Wheel WrenchC. Extension
D. Wheel Blocks
and Jack
Page 349 of 393
6-60
Micro Relays Usage
37 Blank
38 Rear Window Washer
39 Fog Lamps
40 Horn
41 Fuel Pump
42 Windshield Wipers/Washer
43 High
-Beam Headlamp
44 Air Conditioning
Solid State
RelaysUsage
45 Cooling Fan
46 HDM
Mini Relay Usage
47 Starter
Miscellaneous Usage
48 Instrument Panel Battery
49 Fuse PullerRear Underseat Fuse Block
The rear underseat fuse block is located under the rear
seat on the driver's side of the vehicle.
Page 350 of 393
6-61
Fuse Usage
01 Right Door Control Module
02 Left Door Control Module
03 LGM 2
04 TBC 3
05 Rear Fog Lamps
06 LGM/DSM
07 TBC 2
08 Power Seats
09 Blank
10 DDM
11 AMP
12 PDM
13 Rear Climate Controls
14 Left Rear Parking Lamps
15 Auxiliary Power 2
16 VEH CHMSL
17 Right Rear Parking Lamps
18 LOCK
Page 369 of 393

7-17
Weatherstrip Lubrication
Silicone grease on weatherstrips will make them last
longer, seal better, and not stick or squeak. Apply
silicone grease with a clean cloth. During very cold,
damp weather more frequent application may be
required. See ªRecommended Fluids and Lubricantsº
in the Index.
Automatic Transmission Check
Check the transmission fluid level; add if needed.
See ªAutomatic Transmission Fluidº in the Index.
A fluid loss may indicate a problem. Check the system
and repair if needed.At Least Once a Year
Key Lock Cylinders Service
Lubricate the key lock cylinders with the lubricant
specified in Part D.
Body Lubrication Service
Lubricate all hood latch assembly, secondary latch,
pivots, spring anchor, release pawl, rear compartment
hinges, outer liftgate handle pivot points, rear door
detent link, roller mechanism, liftgate handle pivot
points, latch bolt, fuel door hinge, cargo door hinge,
locks, and folding seat hardware. Part D tells you what
to use. More frequent lubrication may be required when
exposed to a corrosive environment.
Page 375 of 393

7-23
USAGEFLUID/LUBRICANT
Chassis
LubricationChassis Lubricant
(GM Part No. 12377985 or
equivalent) or lubricant meeting
requirements of NLGI # 2,
Category LB or GC
-LB.
Front and
Rear AxleSAE 75W-90 Synthetic
Axle Lubricant
(GM Part No. 12378261)
or equivalent meeting
GM Specification 9986115.
Automatic
Transfer CaseAUTO-TRAK II Fluid
(GM Part No. 12378508).
Hood Latch
Assembly,
Secondary Latch,
Pivots, Spring
Anchor and
Release PawlLubriplate Lubricant Aerosol
(GM Part No. 12346293 or
equivalent) or lubricant meeting
requirements of NLGI # 2,
Category LB or GC
-LB.
USAGEFLUID/LUBRICANT
Hood and
Door HingesMulti-Purpose Lubricant,
Superlube (GM Part
No. 12346241 or equivalent).
Body Door Hinge
Pins, Liftgate
Hinge and
Linkage, Folding
Seats and Fuel
Door HingeMulti-Purpose Lubricant,
Superlube (GM Part
No. 12346241 or equivalent).
Outer Tailgate
Handle Pivot
Points and HingesMulti-Purpose Lubricant,
Superlube (GM Part
No. 12346241 or equivalent).
Weatherstrip
ConditioningDielectric Silicone Grease
(GM Part No. 12345579
or equivalent).
Weatherstrip
SqueaksSynthetic Grease with Teflon,
Superlube (GM Part
No. 12371287 or equivalent).