Press this button on the fan knob to turn the recirculation
mode on or off. An indicator light on the button will
come on to let you know the recirculation mode
is activated.
Recirculation is only available in the bi-level and vent
modes. If you push the recirculation button while
the system is in any other mode, the light on the button
will ¯ash to indicate that recirculation is not available.
Mode Knob
The right knob on the control panel is used to direct the
air¯ow inside your vehicle. Turn the knob to select
one of the following modes:
H(Vent):Select this mode to direct air to the
instrument panel outlets.
)(Bi-Level): Select this mode to direct approximately
half of the air to the instrument panel outlets, and the
remaining air to the ¯oor outlets and the defroster
and side window outlets. Cooler air is directed to the
upper outlets and warmer air to the ¯oor outlets.
6(Floor): Select this mode to direct air to the ¯oor
outlets. Recirculation does not work in this mode.
Defogging and Defrosting
Fog on the inside of windows is a result of high
humidity (moisture) condensing on the cool window
glass. This can be minimized if the climate control
system is used properly. There are two modes to clear
fog or frost from your windshield and side windows.
Use the defog mode to clear the windows of fog
or moisture and warm the passengers. Use the defrost
mode to remove fog or frost from the windshield
more quickly. For best results, clear all snow and
ice from the windshield before defrosting.
/(Floor/Defog): This mode directs half of the air
to the windshield and the side window outlets and the
other half to the ¯oor outlets. When you select this
mode, the system runs the air-conditioning compressor
unless the outside temperature is at or below freezing.
Recirculation is not available in this mode.
0(Defrost): This mode directs most of the air to the
windshield, with some air directed to the side window
outlets and the ¯oor outlets. When you select this
mode, the system runs the air-conditioning compressor
unless the outside temperature is at or below freezing.
Recirculation is not available in this mode.
3-21
1(Maximum Defrost):This mode directs most of
the air to the windshield, with some air directed to
the side window outlets and the ¯oor outlets. The rear
window defogger and heated outside mirrors will turn on,
and the fan speed will be at the highest setting (5).
The temperature will be at the hottest setting also.
Recirculation is not available in this mode.
If this mode was selected when you turn your vehicle
off, the warmest temperature and highest fan speed will
be restored when the vehicle is started, regardless of
the temperature and fan setting.
Do not drive the vehicle until all the windows are clear.
Rear Window Defogger
The rear window defogger uses a warming grid to
remove fog from the rear window.
The rear window defogger will only work when the
ignition is on.
=(Rear): Press this button on the right knob to turn
the rear window defogger on or off. An indicator light
on the button will come on to let you know that the rear
window defogger is activated. When the rear defogger button is pressed, the outside
heated mirrors will warm to help clear any fog or
frost from the surface of the mirrors.
Notice:Using a razor blade or sharp object to
clear the inside rear window may damage the rear
window defogger. Repairs would not be covered
by your warranty. Do not clear the inside of the rear
window with sharp objects.
Outlet Adjustment
Use the levers located in the center of each outlet to
change the direction of the air¯ow.
Operation Tips
·
Clear away any ice, snow or leaves from the air
inlets at the base of the windshield that may
block the ¯ow of air into your vehicle.
·Use of non-GM approved hood de¯ectors may
adversely affect the performance of the system.
·Keep the path under the front seats clear of objects
to help circulate the air inside of your vehicle more
effectively.
3-22
Reduce your speed according to your speedometer, not
to your sense of motion. After driving for any distance
at higher speeds, you may tend to think you are
going slower than you actually are.
Before Leaving on a Long Trip
Make sure you are ready. Try to be well rested. If you
must start when you are not fresh — such as after
a day’s work — do not plan to make too many miles that
rst part of the journey. Wear comfortable clothing
and shoes you can easily drive in.
Is your vehicle ready for a long trip? If you keep it
serviced and maintained, it is ready to go. If it needs
service, have it done before starting out. Of course, you
will nd experienced and able service experts in GM
dealerships all across North America. They will be ready
and willing to help if you need it.
Here are some things you can check before a trip:
Windshield Washer Fluid:Is the reservoir full?
Are all windows clean inside and outside?
Wiper Blades:Are they in good shape?
Fuel, Engine Oil, Other Fluids:Have you checked
all levels?
Lamps:Are they all working? Are the lenses clean?
Tires:They are vitally important to a safe,
trouble-free trip. Is the tread good enough for
long-distance driving? Are the tires all in ated to
the recommended pressure?
Weather Forecasts:What is the weather outlook
along your route? Should you delay your trip a
short time to avoid a major storm system?
Maps:Do you have up-to-date maps?
Highway Hypnosis
Is there actually such a condition as highway hypnosis?
Or is it just plain falling asleep at the wheel? Call it
highway hypnosis, lack of awareness, or whatever.
There is something about an easy stretch of road with
the same scenery, along with the hum of the tires on
the road, the drone of the engine, and the rush of
the wind against the vehicle that can make you sleepy.
Do not let it happen to you! If it does, your vehicle
can leave the road in less than a second, and you
could crash and be injured.
4-21
{CAUTION:
Snow can trap exhaust gases under your
vehicle. This can cause deadly CO (carbon
monoxide) gas to get inside. CO could
overcome you and kill you. You cannot see it
or smell it, so you might not know it is in your
vehicle. Clear away snow from around the
base of your vehicle, especially any that is
blocking your exhaust pipe. And check around
again from time to time to be sure snow does
not collect there.
Open a window just a little on the side of the
vehicle that is away from the wind. This will
help keep CO out.Run your engine only as long as you must. This
saves fuel. When you run the engine, make it go a
little faster than just idle. That is, push the accelerator
slightly. This uses less fuel for the heat that you get
and it keeps the battery charged. You will need a
well-charged battery to restart the vehicle, and possibly
for signaling later on with your headlamps. Let the
heater run for a while.
Then, shut the engine off and close the window almost
all the way to preserve the heat. Start the engine
again and repeat this only when you feel really
uncomfortable from the cold. But do it as little as
possible. Preserve the fuel as long as you can. To
help keep warm, you can get out of the vehicle and do
some fairly vigorous exercises every half hour or so
until help comes.
4-27
When It Is Time for New Tires.......................5-60
Buying New Tires.........................................5-61
Uniform Tire Quality Grading..........................5-62
Wheel Alignment and Tire Balance..................5-63
Wheel Replacement......................................5-63
Tire Chains..................................................5-66
If a Tire Goes Flat........................................5-66
Tire In ator Kit.............................................5-68
Air Compressor............................................5-70
Appearance Care............................................5-74
Fabric/Carpet...............................................5-74
Vinyl...........................................................5-76
Leather.......................................................5-76
Instrument Panel..........................................5-76
Interior Plastic Components............................5-76
Glass Surfaces.............................................5-76
Care of Safety Belts......................................5-77
Weatherstrips...............................................5-77
Washing Your Vehicle...................................5-77
Cleaning Exterior Lamps/Lenses.....................5-78
Finish Care..................................................5-78
Windshield and Wiper Blades.........................5-79Aluminum or Chrome-Plated Wheels................5-79
Tires...........................................................5-80
Sheet Metal Damage.....................................5-80
Finish Damage.............................................5-80
Underbody Maintenance................................5-81
Chemical Paint Spotting.................................5-81
Vehicle Care/Appearance Materials..................5-81
Vehicle Identi cation......................................5-82
Vehicle Identi cation Number (VIN).................5-82
Service Parts Identi cation Label.....................5-83
Electrical System............................................5-83
Add-On Electrical Equipment..........................5-83
Headlamps..................................................5-83
Windshield Wiper Fuses................................5-84
Power Windows and Other Power Options.......5-84
Fuses and Circuit Breakers............................5-84
Floor Console Fuse Block..............................5-85
Engine Compartment Fuse Block....................5-88
Relay Center................................................5-91
Capacities and Speci cations..........................5-93
Section 5 Service and Appearance Care
5-2
If Steam Is Coming From Your Engine
{CAUTION:
Steam from an overheated engine can burn
you badly, even if you just open the hood.
Stay away from the engine if you see or hear
steam coming from it. Just turn it off and get
everyone away from the vehicle until it cools
down. Wait until there is no sign of steam or
coolant before you open the hood.
If you keep driving when your engine is
overheated, the liquids in it can catch re.
You or others could be badly burned. Stop
your engine if it overheats, and get out of the
vehicle until the engine is cool.
Notice:If your engine catches re because you
keep driving with no coolant, your vehicle can
be badly damaged. The costly repairs would not be
covered by your warranty.
If No Steam Is Coming From Your
Engine
If you get an engine overheat warning but see or hear
no steam, the problem may not be too serious.
Sometimes the engine can get a little too hot when you:
Climb a long hill on a hot day.
Stop after high-speed driving.
Idle for long periods in traffic.
Tow a trailer. See “Driving on Grades” under
Towing a Trailer on page 4-35.
If you get the overheat warning with no sign of steam,
try this for a minute or so:
1. In heavy traffic, let the engine idle in NEUTRAL (N)
while stopped. If it is safe to do so, pull off the road,
shift to PARK (P) or NEUTRAL (N) and let the
engine idle.
2. Turn on your heater to full hot at the highest fan
speed and open the windows as necessary.
5-29
(C) Aspect Ratio:A two-digit number that indicates
the tire height-to-width measurements. For example, if
the tire size aspect ratio is 75, as shown in item C, of
the illustration, it would mean that the tire’s sidewall is
75 percent as high as it is wide.
(D) Construction Code:A letter code is used to
indicate the type of ply construction in the tire.
The letter R means radial ply construction; the letter D
means diagonal or bias ply construction; and the
letter B means belted-bias ply construction.
(E) Rim Diameter:Diameter of the wheel in inches.
(F) Service Description:The service description
indicates the load range and speed rating of a tire.
The load index can range from 1 to 279. Speed ratings
range from A to Z.
Tire Terminology and De nitions
Air Pressure:The amount of air inside the tire pressing
outward on each square inch of the tire. Air pressure
is expressed in pounds per square inch (psi) or
kilopascal (kPa).Accessory Weight:This means the combined weight
of optional accessories. Some examples of optional
accessories are, automatic transmission, power steering,
power brakes, power windows, power seats, and air
conditioning.
Aspect Ratio:The relationship of a tire’s height to
its width.
Belt:A rubber coated layer of cords that is located
between the plies and the tread. Cords may be made
from steel or other reinforcing materials.
Bead:The tire bead contains steel wires wrapped by
steel cords that hold the tire onto the rim.
Bias Ply Tire:A pneumatic tire in which the plies are
laid at alternate angles less than 90 degrees to the
centerline of the tread.
Cold In ation Pressure:The amount of air pressure
in a tire, measured in pounds per square inch (psi)
or kilopascals (kPa) before a tire has built up heat from
driving. SeeIn ation - Tire Pressure on page 5-58.
5-55