1999 CHEVROLET VENTURE service indicator

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2-89
Air Bag Readiness Light
There is an air bag readiness light on the instrument
panel, which shows a deployed 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 diagnostic module. For
more information on the air bag system, see ªAir Bagº
in the Index.
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.
If the air bag readiness light stays on after you start the
engine or comes on when you are driving, your air bag
system may not work properly. Have your vehicle
serviced right away.
The air bag readiness light should flash for a few
seconds when you turn the ignition key to RUN. If the
light doesn't come on then, have it fixed so it will be
ready to warn you if there is a problem.
Charging System Indicator Light
The charging system light
will come on when you turn
on the ignition as a check to
show you it is working. It
will remain on as long as
the engine is not running.
It should go out once the engine is running. If it stays
on, or comes on while you are driving, you may have a
problem with the charging system. It could indicate that
you have problems with a generator drive belt, or
another electrical problem. Have it checked right away.
Driving while this light is on could drain your battery.
If you must drive a short distance with the light on, be
certain to turn off all your accessories, such as the radio
and air conditioner.

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2-95
Malfunction Indicator Lamp (Service
Engine Soon Light in the United States or
Check Engine Light in Canada)
United States Canada
Your vehicle is equipped with a computer which
monitors operation of the fuel, ignition and emission
control systems.This system is called OBD II (On
-Board
Diagnostics
-Second Generation) and is intended to assure
that emissions are at acceptable levels for the life of the
vehicle, helping to produce a cleaner environment. The
SERVICE ENGINE SOON or CHECK ENGINE light
comes on to indicate that there is a problem and service is
required. Malfunctions often will be indicated by the
system before any problem is apparent. This may prevent
more serious damage to your vehicle. This system is also
designed to assist your service technician in correctly
diagnosing any malfunction.
NOTICE:
If you keep driving your vehicle with this light
on, after a while, your emission controls may not
work as well, your fuel economy may not be as
good and your engine may not run as smoothly.
This could lead to costly repairs that may not be
covered by your warranty.

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2-100Door Ajar Light
This light will come on
when the ignition is turned
to RUN or START and the
driver's/passenger's door or
hatch is open.
It may also come on if a sliding door is not in the fully
latched position.
PASS-Key
III Security Light
If you are ever driving and
this light comes on and
stays on, you will be able to
restart your engine if you
turn it off.
Your PASS
-Key III system, however, is not working
properly and must be serviced by your dealer. Your
vehicle is not protected by the PASS
-Key III system at
this time.
Fuel Gage
United States Canada
When the indicator nears EMPTY (E), you still have a
little fuel left, but you should get more soon.
If your fuel is low, the warning light near the fuel gage
will go on. See ªLow Fuel Warning Lightº later in
this section.
Your fuel gage tells you about how much fuel you have
left when the ignition is on.

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3-31
If your vehicle is equipped with the AM-FM Stereo with
Cassette Tape Player:
1. Turn the ignition to RUN or ACCESSORY.
2. Turn the radio on.
3. Insert the scrubbing action cleaning cassette.
4. Within five seconds, press and hold the REV and
FWD buttons at the same time for three seconds. The
tape symbol on the display will flash, showing that
the cut tape detection feature is no longer active.
5. Eject the cleaning cassette after the manufacturer's
recommended cleaning time.
If your vehicle is equipped with the AM
-FM Stereo with
Cassette Tape Player and Automatic Tone Control:
1. Turn the ignition to RUN or ACCESSORY.
2. Turn the radio off.
3. Press and hold the TAPE AUX button for five
seconds. The tape symbol on the display will flash
for two seconds.
4. Insert the scrubbing action cleaning cassette.
5. Eject the cleaning cassette after the manufacturer's
recommended cleaning time.When the cleaning cassette has been ejected, the cut tape
detection feature is active again.
You may also choose a non
-scrubbing action, wet-type
cleaner which uses a cassette with a fabric belt to clean
the tape head. This type of cleaning cassette will not
eject on its own. A non
-scrubbing action cleaner may
not clean as thoroughly as the scrubbing type cleaner.
The use of a non
-scrubbing action, dry-type cleaning
cassette is not recommended.
After you clean the player, press and hold EJECT for
five seconds to reset the CLN indicator. The radio will
display
--- to show the indicator was reset.
Cassettes are subject to wear and the sound quality may
degrade over time. Always make sure the cassette tape is
in good condition before you have your tape
player serviced.

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6-4
If your vehicle is certified to meet California Emission
Standards (indicated on the underhood emission control
label), it is designed to operate on fuels that meet
California specifications. If such fuels are not available
in states adopting California emissions standards, your
vehicle will operate satisfactorily on fuels meeting
federal specifications, but emission control system
performance may be affected. The malfunction indicator
lamp on your instrument panel may turn on and/or your
vehicle may fail a smog
-check test. (See ªMalfunction
Indicator Lampº in the Index.) If this occurs, return to
your authorized Chevrolet dealer for diagnosis to
determine the cause of failure. In the event it is
determined that the cause of the condition is the type of
fuels used, repairs may not be covered by your warranty.
Some gasolines that are not reformulated for low
emissions may contain an octane
-enhancing additive
called methylcyclopentadienyl manganese tricarbonyl
(MMT); ask your service station operator whether or not
the fuel contains MMT. General Motors does not
recommend the use of such gasolines. If fuels containing
MMT are used, spark plug life may be reduced and your
emission control system performance may be affected.
The malfunction indicator lamp on your instrument
panel may turn on. If this occurs, return to your
authorized Chevrolet dealer for service.To provide cleaner air, all gasolines in the United States
are now required to contain additives that will help
prevent deposits from forming in your engine and fuel
system, allowing your emission control system to
function properly. Therefore, you should not have to add
anything to the fuel. In addition, gasolines containing
oxygenates, such as ethers and ethanol, and
reformulated gasolines may be available in your area to
contribute to clean air. General Motors recommends that
you use these gasolines, particularly if they comply with
the specifications described earlier.
NOTICE:
Your vehicle was not designed for fuel that
contains methanol. Don't use it. It can corrode
metal parts in your fuel system and also damage
plastic and rubber parts. That damage wouldn't
be covered under your warranty.

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6-29
NOTICE:

Using the wrong fluid can badly damage
brake system parts. For example, just a few
drops of mineral
-based oil, such as engine
oil, in your brake system can damage brake
system parts so badly that they'll have to be
replaced. Don't let someone put in the
wrong kind of fluid.

If you spill brake fluid on your vehicle's
painted surfaces, the paint finish can be
damaged. Be careful not to spill brake fluid
on your vehicle. If you do, wash it off
immediately. See ªAppearance Careº in
the Index.
Brake Wear
Your vehicle has front disc brakes and rear drum brakes.
Disc brake pads have built
-in wear indicators that make a
high
-pitched warning sound when the brake pads are worn
and new pads are needed. The sound may come and go or
be heard all the time your vehicle is moving (except when
you are pushing on the brake pedal firmly).
CAUTION:
The brake wear warning sound means that soon
your brakes won't work well. That could lead to
an accident. When you hear the brake wear
warning sound, have your vehicle serviced.
NOTICE:
Continuing to drive with worn-out brake pads
could result in costly brake repair.
Some driving conditions or climates may cause a brake
squeal when the brakes are first applied or lightly
applied. This does not mean something is wrong with
your brakes.
Properly torqued wheel nuts are necessary to help
prevent brake pulsation. When tires are rotated, inspect
brake pads for wear and evenly torque wheel nuts in the
proper sequence to GM specifications.

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9-2
Brake
Adjustment 6-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid 6-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Master Cylinder 6-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parking 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pedal Travel 6-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing System Parts 6-30 . . . . . . . . . . . . . . . . . . . . . . . .
System Warning Light 2-90, 6-28 . . . . . . . . . . . . . . . . . . . .
Trailer 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transaxle Shift Interlock (BTSI) 2-50 . . . . . . . . . . . . . . . . .
Transaxle Shift Interlock Check 7-32 . . . . . . . . . . . . . . . . . .
Wear 6-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brakes, Anti-Lock 4-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Braking 4-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Braking in Emergencies 4-11 . . . . . . . . . . . . . . . . . . . . . . . . . .
Break-In, New Vehicle 2-37 . . . . . . . . . . . . . . . . . . . . . . . . . .
BTSI 2-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BTSI Check 7-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bucket Seats 1-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjusting 1-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Folding or Reclining the Seatback 1-14 . . . . . . . . . . . . . . . .
Removing 1-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing 1-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bulb Replacement 6-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Canada, Ordering Service and Owner Publications 8-11 . . .
Canadian Roadside Assistance 8-7 . . . . . . . . . . . . . . . . . . . . . .
Capacities and Specifications 6-64 . . . . . . . . . . . . . . . . . . . . . .
Captain's Chairs 1-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing 1-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing 1-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Carbon Monoxide 2-52, 4-28, 4-36 . . . . . . . . . . . . . . . . . . . .
Cargo Net 2-73 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cassette
Deck Service 7
-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tape Player 3-11, 3-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tape Player Care 3-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CD Adapter Kits 3-14, 3-19 . . . . . . . . . . . . . . . . . . . . . . . . . .
Center Rear Passenger Position
Bench Seat 1
-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bucket Seat 1-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Certification/Tire Label 4-29 . . . . . . . . . . . . . . . . . . . . . . . . . .
Chains
Safety 4
-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire 6-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing a Flat Tire 5-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charging System Indicator Light 2-89 . . . . . . . . . . . . . . . . . . .
Checking Your Restraint Systems 1-90 . . . . . . . . . . . . . . . . . .
Chemical Paint Spotting 6-54 . . . . . . . . . . . . . . . . . . . . . . . . . .
Child Restraints 1-70 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Built-in 1-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning Built-in 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing from a Built-in 1-67 . . . . . . . . . . . . . . . . . . . . . .
Securing in a Built-in 1-61 . . . . . . . . . . . . . . . . . . . . . . . . . .
Securing in a Rear Outside Seat Position 1-76 . . . . . . . . . . .
Securing in the Center Seat Position (Bucket Seat) 1-82 . . . . .
Securing in the Center Seat Position
(Third Row Bench Seat) 1
-80 . . . . . . . . . . . . . . . . . . . . . .
Securing in the Right Front Seat Position 1-84 . . . . . . . . . .
Storing a Built-in 1-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Top Strap 1-75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Where to Put 1-74, 1-75 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cigarette Lighter 2-79 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Breakers and Fuses 6-58 . . . . . . . . . . . . . . . . . . . . . . .
Cleaner, Air 6-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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9-6
Inspections (Continued)
Front Drive Axle Boot and Seal 7-34 . . . . . . . . . . . . . . . . . .
Radiator and Heater Hose 7-34 . . . . . . . . . . . . . . . . . . . . . .
Steering 7-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Suspension 7-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Throttle System 7-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 2-84 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cluster 2-86 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block 6-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Light Intensity Control 2-63 . . . . . . . . . . . . . . . . . . . . . . . . .
Switchbank 2-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Lamps 2-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control 2-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Override Switch 2-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jack, Tire 5-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump Starting 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key in the Ignition 2-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key Lock Cylinders Service 7-31 . . . . . . . . . . . . . . . . . . . . . .
Keyless Entry System 2-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Battery Replacement 2-10 . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 2-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remote Alarm 2-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remote All Door Lock 2-8 . . . . . . . . . . . . . . . . . . . . . . . . . .
Remote Driver's Door and All Door Unlock 2-8 . . . . . . . . .
Remote Lock Confirmation 2-9 . . . . . . . . . . . . . . . . . . . . . .
Remote Unlock Confirmation 2-9 . . . . . . . . . . . . . . . . . . . .
Resynchronizing 2-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keys 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Labels
Certification/Tire 4-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Parts Identification 6-56 . . . . . . . . . . . . . . . . . . . . .
Tire-Loading Information 4-29 . . . . . . . . . . . . . . . . . . . . . .
Vehicle Identification Number 6-56 . . . . . . . . . . . . . . . . . . .
Lamps
Cargo 2
-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Delayed Illumination 2-64 . . . . . . . . . . . . . . . . . . . . . . . . . .
Dome 2-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exit Lighting 2-65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior 2-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Illuminated Entry 2-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior 2-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Reminder 2-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Last Door Closed Locking 2-6 . . . . . . . . . . . . . . . . . . . . . . . . .
Last Door Closed Locking and Lockout Prevention 2-16 . . . .
Leaving Your Vehicle 2-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle with the Engine Running 2-49 . . . . . . .
Liftgate 2-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lighter 2-79 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lights
Air Bag Readiness 1
-40, 2-89 . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock Brake System Warning 2-91, 4-7 . . . . . . . . . . . .
Brake System Warning 2-90, 6-28 . . . . . . . . . . . . . . . . . . . .
Charging System Indicator 2-89 . . . . . . . . . . . . . . . . . . . . . .
Check Engine 2-95 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door Ajar 2-100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Temperature Warning 2-93 . . . . . . . . . . . . . . . . . . .
Low Coolant Warning 2-94, 6-24 . . . . . . . . . . . . . . . . . . . .
Low Fuel Warning 2-101 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Oil Level 2-99, 6-11 . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Traction 2-93, 4-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . .