
0 0 . Your vehicle is equipped with a crash sensing and
diagnostic module, which records information
about the air bag system. The module records
information about the readiness of the system, when
the sensors are activated and driver’s safety belt
usage
at deployment.
Let only qualified technicians work on your air bag
system. Improper service can mean that your air bag
system won’t work properly. See your dealer
for service.
NOTICE:
If you damage the cover for the driver’s or the
right front passenger’s
air bag, they may not
work properly.. You may have to replace the
air bag module in the steering wheel or both the
air bag module and the instrument panel for the
right front passenger’s
air bag. Do not open or
break the
air bag covers.
Servicing Yodr Air Bag-Equipped Vehicle
Air bags affect how your vehicle should be serviced.
There are
parts of the air bag system in several places
around your vehicle. You don’t want the system to
inflate while someone is working on your vehicle. Your
GM dealer and the service manual have information
about servicing your vehicle and the air bag system.
To
purchase a.service manual, see “Service and Owner
Publications” in the Index.
For up to 10 minutes after the ignition key is
turned
off and the battery is disconnected, an air
bag can still inflate during improper service. You
can be injured
if you are close to an air bag when
it inflates. Avoid wires wrapped with?yellow tape
or yellow connectors. They are probably part of
the
air bag system. Be sure to follow proper
service procedures, and make sure the person
performing work for you
is qualified to do so.
The air bag system does not need regular maintenance.
1-27
ProCarManuals.com

Ke: 1 trv S ys I - ___
If your vehicle has this option, you can lock and unlock
your doors from up
to 30 feet (9 m) away using the key
chain transmitter supplied with your vehicle.
Your Keyless Entry System operates
on a radio
frequency subject to Federal Communications
Commission (FCC) Rules.
This device complies with Part
15 of the FCC Rules.
Operation is subject
to the following two conditions:
(1) This device may not cause harmful interference,
and
(2) This device must accept any interference
received, including interference that may cause
undesired operation.
Should interference to this system occur, try this:
0
0
a
0
Check to determine if battery replacement is
necessary. See the instructions
on battery
replacement.
Check the distance.
You may be too far from your
vehicle. This product
has a maximum range.
Check
the location. Other vehicles or objects may
be blocking the signal.
See your
GM dealer or a qualified technician
for service. Changes
or modifications
to this system by other than an
authorized service facility could void authorization to
use this equipment.
Operation
To unlock the driver's door, press the UNLOCK button.
If you press this button again within five seconds, all
the doors will unlock. Press the REAR button to unlock
the rear door only. When the UNLOCK or
REAR button
is pressed, the interior dome lamps are turned on for
40 seconds or until the ignition switch is activated.
ProCarManuals.com

Matching Transmitter(s) To Your Vehicle
Each key chain transmitter is coded to prevent another
transmitter from unlocking your vehicle.
If a transmitter
is lost
or stolen, a replacement can be purchased through
your dealer. Remember to bring any remaining
transmitters with you when you
go to your dealer. When
the dealer matches the replacement transmitter to your vehicle, any remaining transmitters must also be
matched. Once the new transmitter is coded, the lost
transmitter will not unlock your vehicle. Each vehicle
can have only two transmitters matched
to it.
Battery Replacement
Under normal use, the batteries in your key chain
transmitter should last about two years.
You can tell
the batteries are weak if the transmitter
won’t work at
the normal range in any location. If you
have to get close to your vehicle before the transmitter
works, it’s probably time
to change the batteries.
Use
two Duracell@ type DL20 16 batteries or a similar
type.
To replace the batteries:
1. ‘Insert a dime in the side seam of the transmitter
housing near the key ring hole.
2. Twist the dime to separate the two halves of the
transmitter housing. Separate the housing, bottom
half first.
3. Remove and replace the batteries. Put the new
batteries
in with the printed side down.
4. Align the halves of the housing and snap
them together.
2-6
ProCarManuals.com

1. Without pushing the accelerator pedal, turn your
ignition key to START. When
the engine starts, let
go of the key. The idle speed
will go down as your
engine gets warm.
NOTICE:
Holding your key in START for longer than
15 seconds at a time will cause your battery to be
drained much sooner. And the excessive heat can
damage your starter motor.
2. If it doesn’t start right away, hold your key in
START. If it doesn’t start in 10 seconds, push the
accelerator pedal all the way down for five more
seconds, or
until it starts.
3. If your engine still won’t start (or starts but then
stops), wait
15 seconds and start over.
When the engine starts, let
go of the key and the
accelerator pedal.
NOTICE:
Your engine is designed to work with the
electronics in your vehicle.
If you add electrical
parts or accessories,
you could change the way
the engine operates. Before adding electrical
equipment, check with your dealer.
If you don’t,
your engine might not perform properly.
If
you ever have to have your vehicle towed, see
the part
of this manual that tells how to do it
without damaging your vehicle. See “Towing
Your Vehicle” in the Index.
2-15
ProCarManuals.com

Automatic Transmission Operation
There are several different positions for your shift lever.
If your vehicle is equipped with an automatic
transmission,
it now features an electronic shift position
indicator
within the instrument cluster. This display
must be powered anytime the shift lever
is capable of
being moved out of the PARK (P) position. This lneans
that
if your key is in the OFF position, but not locked,
there
will be a small current drain on your battery which
could discharge
your battery over a period of time. If
you have
a need to leave your key in the ignition in the
OFF position for an extended period for any reason, it is
recomnlended that you disconnect the battery cable from
the battery to prevent discharging yo~~r battery.
PARK (P): This locks your rear wheels. It‘s the best
position to use when you start your engine because your
vehicle can’t move easily.
A CAUTION:
It is dangerous to get out of your vehicle if the
shift lever is not fully in
PARK (P) with the
parking brake firmly set. Your vehicle can roll.
Don’t leave your vehicle when the engine is
running unless you have to.
If you have left the
engine running, the vehicle can move suddenly.
You or others could be injured. To be sure your
vehicle won’t move, even when you’re on fairly
level ground, always set your parking brake and
move the shift lever to
PARK (P).
See “Shifting Into PARK (P)” in the Index. If
you’re pulling a trailer, see “Towing a Trailer”
in the Index.
Your vehicle has
a brake-transmission shift interlock.
With the ignition in the RUN position, you must fully
apply your regular brakes before you can shift from
PARK
(P).
2-17
ProCarManuals.com

POSITION
16.
17.
18.
19.
20.
21.
22.
23.
24.
A.?
B.?
NAME
TURN B/U
RADIO-
1
BRAKE
RADIO-B
TRANS
RR FOG
Not Used
Not Used
RR HVAC
PWR ACCY
PWR WDO
CIRCUITS PROTECTED
Front Turn, RR Turn, Back-up Lamps, BTSI Solenoid
Radio
(Ign, Accy)
4WAL PCM, ABS, Cruise Control
Radio (Battery), Power Antenna
PRNDL, Automatic Transmission
Rear Window Defog
RR HVAC Controls,
HIGH, MED, LOW Relays
Power Door Lock, Six-Way Power Seat, Keyless Entry
Illumination Module
Power Windows
?Circuit Breaker Do not
use fuses of higher amperage than those recommended above. Fuse amperage levels are also imprinted on the
fuse panel under the dash.
6-64
ProCarManuals.com

Roadside Assistance
n
Flat Tire Cl~~lngu: Installation of spare tire will be
covered at no charge (customer is responsible for repair
or replacement of tire).
Fuel Dcli\!ery: Delivery of enough fuel for the customer
to get to the nearest service station (up to
$4.00) will
be covered.
JLIIIZ~ Smt: No-start situations which require a battery
jump start
will be covered at no charge.
Lock Out: Replacement keys or locksmith service will
be covered at no charge if you are unable to gain entry
into your vehicle. Delivery of the replacement key
will
be covered at no charge within 10 miles (16 km).
Emergc~17cy 7bkr;ing Ser-vic~: Towing to the nearest
GMC Truck dealer for warranty related disablements
will be covered.
GMC Truck’s Roadside Assistance provides stranded
owners with over-the-phone roadside repairs, location
of the nearest GMC Truck dealer or the following
special services:
8-4
ProCarManuals.com

Section 9 Index
Adjustable Mast Antenna ........................ 3-29
AirBag ....................................... 1-21
Adding Equipment ............................ 1-28
How Does it Restrain .......................... 1-26
How it Works ................................. 1-24
Location
.................................... 1-24
Readiness Light
......................... 1.23. 2.47
Servicing
................................... 1-27
What Makes
it Inflate .......................... 1-25
What Will You See After
it Inflates ............... 1-26
When Should
it Inflate ......................... 1-25
Aircleaner
.................................... 6-15
Air Conditioning
................................ 3-7
Air Conditioning Refrigerants
..................... 6-68
Air Control. Climate Control System
................. 3-3
Alignment and Balance
. Tire ...................... 6-48
Aluminum Wheels. Cleaning
...................... 6-57
Antenna. Adjustable
Mast ........................ 3-29
Antenna. Power
................................ 3-29
Antifreeze
..................................... 6-20
Anti-Lock
Brake System Warning Light
................ 2-49. 4-6
Brakes ...................................... 4-5
Appearancecare
............................... 6-50
Appearance Case Materials ....................... 6-59
Arbitration Program
.............................. 8-7
Ashtsays
...................................... 2-42
Audio Systems
.................................. 3-9
Transmission
Transmission Check
........................... 7-44
Transmission Fluid
............................ 6-16
Transmission Operation
........................ 2-17
Shiftin
...................................... 2-17
Transmission Park Mechanism Check
............. 7-46
Axle, Locking Rear
............................. 2-20
Axle, Rear .................................... 6-19
Battery
...................................... 6-30
Jump Starting ................................. 5-2
Replacement
. Remote Keyless Entry ............... 2-6
Warnings
................................ 5-2.5-3
BBB Auto Line
................................. 8-7
Bethre Leaving on a Long Trip .................... 4-20
Better Business Bureau Mediation
................... 8-7
9-1
ProCarManuals.com