lights Oldsmobile Silhouette 1999 s User Guide

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2-69
Compact Overhead Console
The front overhead console includes two reading lamps,
a storage compartment and a switchbank.
The switchbank has switches for the optional Power
Sliding Door, Interior Lights Override and the Power
Quarter Windows. For information on these switches,
see each of these features in the Index.
Overhead Console (If Equipped)
The optional front overhead console has reading lamps,
a switchbank, storage compartments, including one for
your garage door opener and another one for your
sunglasses, and a Driver Information Center (DIC). The
features of the optional overhead console are explained
on the following pages.

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2-86 Instrument Panel Cluster
Your instrument panel cluster is designed to let you know at a glance how your vehicle is running. You'll know how
fast you're going, how much fuel you're using, and many other things you'll need to drive safely and economically.
The indicator warning lights and gages are explained on the following pages.
United States shown, Canadian similar

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2-88 Tachometer
The tachometer displays the engine speed in revolutions
per minute (rpm).
NOTICE:
Do not operate the engine with the tachometer in
the red area, or engine damage may occur.
Warning Lights, Gages and Indicators
This part describes the warning lights and gages that may
be on your vehicle. The pictures will help you locate them.
Warning lights and gages can signal that something is
wrong before it becomes serious enough to cause an
expensive repair or replacement. Paying attention to
your warning lights and gages could also save you or
others from injury.
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.

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3-3
DEFOG: This setting directs air to the windshield
and through the floor ducts. This mode is particularly
useful during cold or inclement weather because of your
vehicle's larger windshield area.
DEFROST: This setting directs most of the air to
the windshield and side window vents.
Mode Buttons
RECIRCULATION: Press this button (the light
will glow) to limit the amount of fresh air entering your
vehicle by recirculating much of the air inside your
vehicle. You may use this setting to limit odors entering
your vehicle. Press the OUTSIDE AIR button (the light
on the RECIRCULATION button will go off) to let
outside air circulate into the vehicle.
OUTSIDE AIR: Press this button (the light will
glow) to send outside air into your vehicle. Using this
setting while trying to defrost or defog the windows will
help clear the vents of moisture. Press the
RECIRCULATION button (the light on the
OUTSIDE AIR button will go off) to limit outside air
entering the vehicle. When the DEFOG or DEFROST
setting is selected, the system will automatically go to
OUTSIDE AIR mode.
Air Conditioning
On very hot days, your vehicle will cool down more
quickly and economically if you open the windows long
enough to let hot, inside air escape. For all settings,
adjust the temperature control knob and fan speed
as desired.
To get maximum cooling or a quick cool
-down on very
hot days, press the A/C and RECIRCULATION buttons
(the lights will glow) and turn the temperature knob
counterclockwise (toward the blue area). Adjust the
mode knob to direct the air to the desired location. This
setting should not be used for long periods of time
because the air may become too cold and dry. Push the
A/C button again (the light will go off) to turn off the
air conditioning.
When the air conditioner compressor is on, you may
sometimes notice slight changes in your vehicle's engine
performance and power. This is normal. The system is
designed to help fuel economy while it maintains the
desired cooling level.
The air conditioner removes moisture from the air, so
you may sometimes notice water dripping from under
your vehicle's engine compartment when it is idling or
after it has been turned off. This is normal.

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4-17
You can be temporarily blinded by approaching
headlamps. It can take a second or two, or even several
seconds, for your eyes to readjust to the dark. When you
are faced with severe glare (as from a driver who
doesn't lower the high beams, or a vehicle with
misaimed headlamps), slow down a little. Avoid staring
directly into the approaching headlamps.
Keep your windshield and all the glass on your vehicle
clean
-- inside and out. Glare at night is made much
worse by dirt on the glass. Even the inside of the glass
can build up a film caused by dust. Dirty glass makes
lights dazzle and flash more than clean glass would,
making the pupils of your eyes contract repeatedly.
Remember that your headlamps light up far less of a
roadway when you are in a turn or curve. Keep your
eyes moving; that way, it's easier to pick out dimly
lighted objects. Just as your headlamps should be
checked regularly for proper aim, so should your eyes
be examined regularly. Some drivers suffer from night
blindness
-- the inability to see in dim light -- and aren't
even aware of it.
Driving in Rain and on Wet Roads

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6-21
Radiator Pressure Cap
NOTICE:
Your radiator cap is a 15 psi (105 kPa)
pressure
-type cap and must be tightly installed to
prevent coolant loss and possible engine damage
from overheating. Be sure the arrows on the cap
line up with the overflow tube on the radiator
filler neck.
When you replace your radiator pressure cap, a GM cap
is recommended.
Thermostat
Engine coolant temperature is controlled by a thermostat
in the engine coolant system. The thermostat stops the
flow of coolant through the radiator until the coolant
reaches a preset temperature.
When you replace your thermostat, a GM thermostat
is recommended.
Engine Coolant
The cooling system in your vehicle is filled with
DEX
-COOL
engine coolant. This coolant is designed
to remain in your vehicle for 5 years or 150,000 miles
(240 000 km), whichever occurs first, if you add only
DEX
-COOL
extended life coolant.
The following explains your cooling system and how to
add coolant when it is low. If you have a problem with
engine overheating, see ªEngine Overheatingº in
the Index.
A 50/50 mixture of clean, drinkable water and
DEX
-COOL
coolant will:

Give freezing protection down to
-34F (-37C).

Give boiling protection up to 265F (129C).

Protect against rust and corrosion.

Help keep the proper engine temperature.

Let the warning lights and gages work as
they should.

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6-58
Circuit
BreakersUsage
HEADLAMP DRL Control Module, Headlamp and
Instrument Panel Dimmer Switch
PWR WDO Front Power Windows
PWR SEAT/PSD 6
-Way Power Seat(s) and Rear
Side Door Actuator Motor
FRT HVAC/HI
BLWRBlower Motor Hi Speed
Relay ModuleFuses Usage
SWC
BACKLIGHTSteering Wheel Radio Control
Switches (Illumination)
ELEC PRNDL Instrument Cluster to
PRNDL Indicators
PWR MIRROR Power Remote Control
Mirror Switch
CRUISE Cruise Control Module, Switch
and Release Switch
PWR QTR
VENTInterior Lamps and Multifunction
Switch (Power Vent Switch)
FRT
WPR/WSHRWindshield Wiper/Washer Motor
and Switch
PASS KEY PASS
-Key III System
PWR LOCK Body Control Module (BCM)
HTD MIRROR Heated Mirrors
RH T/LP Not Used
RR FOG LP Not Used
CIGAR/DLC Cigarette Lighter and Data Link
Connector (DLC)
T/SIG Turn Signal Switch
RR HVAC Rear Blower Motor, Rear
Heater
-A/C Control, Temperature
Door Actuator (Rear)

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9-6
Inspections
Brake System 7-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust Systems 7-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cluster 2-86 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block 6-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Light Intensity Control 2-63 . . . . . . . . . . . . . . . . . . . . . . . . .
Switchbank 2-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Lamps 2-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control 2-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Override Switch 2-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jack, Tire 5-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump Starting 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key in the Ignition 2-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key Lock Cylinders Service 7-31 . . . . . . . . . . . . . . . . . . . . . .
Keys 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Labels
Certification/Tire 4-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Parts Identification 6-55 . . . . . . . . . . . . . . . . . . . . .
Tire-Loading Information 4-29 . . . . . . . . . . . . . . . . . . . . . .
Vehicle Identification Number 6-55 . . . . . . . . . . . . . . . . . . .
Lamps
Cargo 2
-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Delayed Illumination 2-65 . . . . . . . . . . . . . . . . . . . . . . . . . .
Dome 2-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Exit Lighting 2
-65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior 2-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fog 2-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 2-90 . . . . . . . . . . . . . . . . . . . . . .
Check Engine 2-95 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door Ajar 2-99 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Coolant Temperature Warning 2-94 . . . . . . . . . . . . .
Low Coolant Warning 2-95, 6-24 . . . . . . . . . . . . . . . . . . . .
Low Fuel Warning 2-101 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Oil Level 2-100, 6-11 . . . . . . . . . . . . . . . . . . . . . . . . .
Low Traction 2-93, 4-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Pressure 2-98 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PASS-Key
III Security 2-99 . . . . . . . . . . . . . . . . . . . . . . .
Power Sliding Door Warning Light 2-99 . . . . . . . . . . . . . . .
Safety Belt Reminder 1-24, 2-92 . . . . . . . . . . . . . . . . . . . . .
Service Engine Soon 2-95 . . . . . . . . . . . . . . . . . . . . . . . . . .
Traction Control System Warning 2-92, 4-10 . . . . . . . . . . .
Loading Your Vehicle 4-29 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lockout Deterrent 2-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .