steering GMC SAVANA 2004 Owner's Manual

Page 73 of 398

Air Bag System
This part explains the air bag system.If it says AIR BAG on the middle part of the steering
wheel and AIR BAG on the instrument panel in front of
the right front passenger’s seat, your vehicle has
two air bags — one air bag for the driver and another
air bag for the right front passenger.
If it says AIR BAG on the middle part of the steering
wheel but it doesn’t say AIR BAG on the instrument
panel in front of the right front passenger’s seat, your
vehicle has an air bag for the driver only.
If it says AIR BAG on the middle part of the steering
wheel, but there is no right front passenger seat,
your vehicle has an air bag for the driver only.
Frontal air bags are designed to help reduce the risk of
injury from the force of an inating air bag. But these
air bags must inate very quickly to do their job
and comply with federal regulations.
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Where Are the Air Bags?
The driver’s air bag is in the middle of the steering
wheel.If your vehicle has one, the right front passenger’s air
bag is in the instrument panel on the passenger’s side.
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{CAUTION:
If something is between an occupant and an
air bag, the bag might not inate properly or it
might force the object into that person causing
severe injury or even death. The path of an
inating air bag must be kept clear. Don’t put
anything between an occupant and an air bag,
and don’t attach or put anything on the
steering wheel hub or on or near any other air
bag covering.
When Should an Air Bag Inate?
An air bag is designed to inate in a moderate to severe
frontal, or near-frontal crash. The air bag will inate
only if the impact speed is above the system’s designed
“threshold level.”
If the GVWR (Gross Vehicle Weight Rating) of your
vehicle is 8600 or above, your vehicle has single stage
air bags. If the GVWR is below 8600 then your
vehicle has dual stage air bags. You can nd the GVWR
on the certication label on the rear edge of the
driver’s door. SeeLoading Your Vehicle on page 4-31
for more information.
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Page 79 of 398

Seat Position Sensors
Vehicles with dual stage air bags are also equipped with
special sensors which enable the sensing system to
monitor the position of both the driver and passenger
front seats. The seat position sensors provide
information which is used to determine if the air bags
should deploy at a reduced level or at full depoyment.
Air Bag Systems
In any particular crash, no one can say whether an air
bag should have inated simply because of the damage
to a vehicle or because of what the repair costs were.
Ination is determined by the angle of the impact
and how quickly the vehicle slows down in front or
near-frontal impacts.
What Makes an Air Bag Inate?
In an impact of sufficient severity, the air bag sensing
system detects that the vehicle is in a crash. The
sensing system triggers a release of gas from the
inator, which inates the air bag. The inator, air bag,
and related hardware are all part of the air bag
modules inside the steering wheel and in the instrument
panel in front of the right front passenger.
How Does an Air Bag Restrain?
In moderate to severe frontal or near-frontal collisions,
even belted occupants can contact the steering wheel or
the instrument panel. Air bags supplement the
protection provided by safety belts. Air bags distribute
the force of the impact more evenly over the occupant’s
upper body, stopping the occupant more gradually.
But air bags would not help you in many types of
collisions, including rollovers, rear impacts and many
side impacts, primarily because an occupant’s motion is
not toward those air bags. Air bags should never be
regarded as anything more than a supplement to safety
belts, and then only in moderate to severe frontal or
near-frontal collisions.
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Page 80 of 398

What Will You See After an Air Bag
Inates?
After an air bag inates, it quickly deates, so quickly
that some people may not even realize the air bag
inated. Some components of the air bag module – the
steering wheel hub for the driver’s air bag, or the
instrument panel for the right front passenger’s
bag – will be hot for a short time. The parts of the bag
that come into contact with you may be warm, but
not too hot to touch. There will be some smoke and dust
coming from the vents in the deated air bags. Air
bag ination doesn’t prevent the driver from seeing or
being able to steer the vehicle, nor does it stop
people from leaving the vehicle.
{CAUTION:
When an air bag inates, there is dust in the
air. This dust could cause breathing problems
for people with a history of asthma or other
breathing trouble. To avoid this, everyone in
the vehicle should get out as soon as it is safe
to do so. If you have breathing problems but
can’t get out of the vehicle after an air bag
inates, then get fresh air by opening a
window or a door. If you experience breathing
problems following an air bag deployment, you
should seek medical attention.
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Page 81 of 398

Air bags are designed to inate only once. After
they inate, you’ll need some new parts for your
air bag system. If you don’t get them, the air
bag system won’t be there to help protect you in
another crash. A new system will include air
bag modules and possibly other parts. The service
manual for your vehicle covers the need to
replace other parts.
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 system commands air bag ination and
driver’s safety belt usage at deployment. The
module also records speed, engine rpm, brake and
throttle data.
Let only qualied 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 covering for the driver’s
or the right front passenger’s air bag, the bag
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 coverings.
Air Bag Off Switch
If the GVWR (Gross Vehicle Weight Rating) of your
vehicle is 8600 or above, your vehicle has an air bag off
switch. You can nd the GVWR on the certication/tire
label on the rear edge of the driver’s door. SeeLoading
Your Vehicle on page 4-31for more information.
You can use the air bag off switch on the instrument
panel to turn off the right front passenger’s air bag.
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Page 109 of 398

Engine Coolant Heater
In very cold weather, 0°F (−18°C) or colder, the engine
coolant heater can help. You’ll get easier starting
and better fuel economy during engine warm-up.
Usually, the coolant heater should be plugged in a
minimum of four hours prior to starting your vehicle. At
temperatures above 32°F (0°C), use of the coolant
heater is not required.
To Use the Engine Coolant Heater
1. Turn off the engine.
2. Open the hood and unwrap the electrical cord.
The cord for the engine coolant heater is located
on the driver’s side of the engine compartment and
is attached to the hose for the power steering
reservoir.
3. Plug it into a normal, grounded 110-volt AC outlet.
{CAUTION:
Plugging the cord into an ungrounded outlet
could cause an electrical shock. Also, the
wrong kind of extension cord could overheat
and cause a re. You could be seriously
injured. Plug the cord into a properly grounded
three-prong 110-volt AC outlet. If the cord will
not reach, use a heavy-duty three-prong
extension cord rated for at least 15 amps.
4. Before starting the engine, be sure to unplug and
store the cord as it was before to keep it away
from moving engine parts. If you don’t, it could be
damaged.
How long should you keep the coolant heater plugged
in? The answer depends on the outside temperature, the
kind of oil you have, and some other things. Instead
of trying to list everything here, we ask that you contact
your dealer in the area where you’ll be parking your
vehicle. The dealer can give you the best advice for that
particular area.
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Page 128 of 398

Hazard Warning Flashers
Your hazard warning ashers let you warn others. They
also let police know you have a problem. Your front
and rear turn signal lamps will ash on and off.The hazard warning
asher button is located at
the top of the steering
column.
Your hazard warning ashers work no matter what
position your key is in, and even if the key isn’t in.
Press the button to make the front and rear turn signal
lamps ash on and off. Press the button again to
turn the ashers off.
When the hazard warning ashers are on, your turn
signals won’t work.
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Page 129 of 398

Other Warning Devices
If you carry reective triangles, you can use them to
warn others. Set one up at the side of the road about
300 feet (100 m) behind your vehicle.
Horn
Press the horn symbol in the middle of the steering
wheel to sound the horn.
Tilt Wheel
A tilt steering wheel allows you to adjust the steering
wheel before you drive. You can also raise it to the
highest level to give your legs more room when
you enter and exit the vehicle.The lever is located on the lower left side of the steering
column.
To tilt the wheel, hold the steering wheel and pull the
lever. Move the steering wheel to a comfortable
level, then release the lever to lock the wheel in place.
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Page 130 of 398

Turn Signal/Multifunction Lever
The lever on the left side of the steering column
includes the following:
Turn and Lane Change Signals
Headlamp High/Low Beam Changer
Flash-to-Pass Feature
Windshield Wipers
Windshield Washer
Cruise Control
For information on the exterior lamps, seeExterior
Lamps on page 3-14later in this section.
Turn and Lane Change Signals
The turn signal has two upward (for right) and two
downward (for left) positions. These positions allow you
to signal a turn or a lane change.
To signal a turn, move the lever all the way up or down.
When the turn is nished, the lever will return
automatically.
An arrow on the instrument
panel cluster will ash in
the direction of the
turn or lane change.
To signal a lane change, just raise or lower the lever
until the arrow starts to ash. Hold it there until you
complete your lane change. The lever will return by itself
when you release it.
If you move the lever all the way up or down, and the
arrow ashes at twice the normal rate, a signal bulb may
be burned out and other drivers may not see your
turn signal.
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