1999 CHEVROLET TRACKER sensor

Second Printing for Chevrolet Tracker Owner's Manual ± 1999
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1-29
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.
If your vehicle ever gets into a lot of water -- such as
water up to the carpeting or higher
-- or if water enters
your vehicle and soaks the carpet, the air bag controller
can be soaked and ruined. If this ever happens, and then
you start your vehicle, the damage could make the air
bags inflate, even if there's no crash. You would have to
replace the air bags as well as the sensors and related
parts. If your vehicle is ever in a flood, or if it's exposed
to water that soaks the carpet, you can avoid needless
repair costs by turning off the vehicle immediately and
disconnecting the battery cables. Don't let anyone start
the vehicle under any circumstances. See your dealer
for service.
Servicing Your 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
dealer and the service manual have information about
servicing your vehicle and the air bag system. To
purchase a service manual, see ªService and Owner
Publicationsº in the Index.
CAUTION:
For up to 15 seconds 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.

Second Printing for Chevrolet Tracker Owner's Manual ± 1999
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1-30 Adding Equipment to Your Air
Bag-Equipped Vehicle
Q:If I add a push bumper or a bicycle rack to the
front of my vehicle, will it keep the air bags
from working properly?
A:As long as the push bumper or bicycle rack is
attached to your vehicle so that the vehicle's basic
structure isn't changed, it's not likely to keep the
air bags from working properly in a crash.
Q:Is there anything I might add to the front of the
vehicle that could keep the air bags from
working properly?
A:Yes. If you add things that change your vehicle's
frame, bumper system, front end sheet metal or
height, they may keep the air bag system from
working properly. Also, the air bag system may not
work properly if you relocate any of the air bag
sensors. If you have any questions about this, you
should contact Customer Assistance before you
modify your vehicle. (The phone numbers and
addresses for Customer Assistance are in Step Two of
the Customer Satisfaction Procedure in this manual.
See ªCustomer Satisfaction Procedureº in the Index.)
Rear Seat Passengers
It's very important for rear seat passengers to buckle up!
Accident statistics show that unbelted people in the rear
seat are hurt more often in crashes than those who are
wearing safety belts.
Rear passengers who aren't safety belted can be thrown
out of the vehicle in a crash. And they can strike others
in the vehicle who are wearing safety belts.
Rear Seat Outside Passenger Positions
X±01±0106±T
Lap-Shoulder Belt
The positions next to the windows have lap
-shoulder
belts. Here's how to wear one properly.

Second Printing for Chevrolet Tracker Owner's Manual ± 1999
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2-38
When it begins to get dark, the headlamps will
automatically switch from DRL to the regular
headlamps. See ªAutomatic Light Controlº earlier in
this section.
When you turn the headlamp switch to off, the regular
lamps will go off and your headlamps will change to the
reduced brightness of DRL provided it is not dark
outside. DRL also comes on if only the parking lamps
are being used.
To idle your vehicle with the DRL off, set the parking
brake. The DRL will stay off until you release the
parking brake.
As with any vehicle, you should turn on the regular
headlamp system when you need it.
Automatic Light Control (ALC)
Your vehicle is equipped with an automatic light sensor
on top of the instrument panel, so be sure it is not
covered which will cause the nighttime lights to be
on continuously.When it is dark enough outside, your ALC will turn on
your low
-beam headlamps at the normal brightness
along with other lamps such as the taillamps,
sidemarker, park lamps and instrument panel lights.
There is a short delay in the transition between daytime
and nighttime operation of the Daytime Running Lamps
(DRL) and the ALC systems. If the light sensor senses a
reduction in lighting that lasts longer than 20 seconds, it
will activate the nighttime lamps. If you are driving
through a parking garage, heavy overcast weather or a
tunnel, the ALC will turn on your low
-beam headlamps
at a normal brightness along with the taillamps,
sidemarker, park lamps and the instrument panel lights.
The radio lights will be dimmer.
As with any vehicle, you should turn on the regular
headlamp system when you need it.
Lamps On Reminder
If you turn the ignition off, remove the key, open the
door and leave the lamps on, a tone will remind you to
turn off your lamps.

Second Printing for Chevrolet Tracker Owner's Manual ± 1999
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2-60
Warning lights come on when there may be or is a
problem with one of your vehicle's functions. As you
will see in the details on the next few pages, some
warning lights come on briefly when you start the
engine just to let you know they're working. If you are
familiar with this section, you should not be alarmed
when this happens.
Gages can indicate when there may be or is a problem
with one of your vehicle's functions. Often gages and
warning lights work together to let you know when
there's a problem with your vehicle.
When one of the warning lights comes on and stays on
when you are driving, or when one of the gages shows
there may be a problem, check the section that tells you
what to do about it. Please follow this manual's advice.
Waiting to do repairs can be costly
-- and even
dangerous. So please get to know your warning lights
and gages. They're a big help.
Safety Belt Reminder Light
When the key is turned to ON or START, a tone will
come on for about eight seconds to remind people to
fasten their safety belts, unless the driver's safety belt is
already buckled.
X±01±2040±T
The safety belt light will
also come on and stay on
until the driver's belt
is buckled.
Air Bag Readiness Light
There is an air bag readiness light on the instrument
panel, which shows AIR BAG. The system checks the
air bag's electrical system for malfunctions. The light
tells you if there is an electrical problem. The system
check includes the air bag sensors, the air bag modules,
the wiring and the crash sensing and diagnostic module.
For more information on the air bag system, see ªAir
Bagº in the Index.
X±01±0001±T
This light will come on
when you start your engine,
and it will flash for a few
seconds. Then the light
should go out. This means
the system is ready.

Second Printing for Chevrolet Tracker Owner's Manual ± 1999
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6-61 Instrument Panel Fuse Block
JE±16±0019±X
This fuse box is under the left side of the instrument
panel. The fuses here protect each separate circuit
including headlamps. If you have electrical failure,
check here first.
JE±16±0022±X
Fuse Usage
P/W Power Windows
DOM Dome Light
TAIL License Plate Light, Clearance/Marker
Lights, Instrument Panel Illumination
HAZ Hazard Lights
IG O
2 Sensor Heater, Cruise Control,
Ignition Coil, Meter, G Sensor