engine Oldsmobile Aurora 1997 s Owner's Guide

Tachometer
The tachometer displays the
engine speed in revolutions
per minute (rpm).
If your engine speed equals or exceeds the safe limit for
operation, the message HOT
... REDUCE ENGINE RPM
is displayed on the information center.
I NOTICE: I
Do not operate the engine with the tachometer in
the red area,
or when the message
HOT. ..REDUCE ENGINE RPM is displayed.
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.

Your vehicle may also have a driver information system
that works along with the warning lights and gages. See
“Driver Information Center” in the Index.
Safety Belt Reminder Light
When the key is turned to RUN or START, a chime will
come on for about eight seconds to remind people to
fasten their safety belts.
The safety belt light will
also come on and stay on
for about
70 seconds. If the
driver’s belt is already
buckled, neither the chime
nor the light will come on.
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
“Air
Bag” in the Index.
AIR BAG
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.

Battery Warning Light
U
VOLTS
This light will come on
briefly when you start the
vehicle, as a check to show
you it is working, then it
should go out. If
it stays on,
or comes on while
you are
driving, you may have a
problem with the electrical
charging system.
A warning chime and the message CHECK CHARGE
SYSTEM may also come on. 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 climate control.
Brake System Warning Light
Your Aurora’s hydraulic brake system is divided into
two parts. If one part isn’t working, the other part can
still work and stop you. For good braking, though, you
need both parts working well.
This light should come on
when you turn
the ignition
key to
START. If it doesn’t
come
on then, have it fixed
so it will be ready to warn
BRAKE (a) you if there’s a problem. FLUID
If this warning light stays on after you start the engine,
there could be a brake problem. Have your brake system
inspected right away.
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Anti-Lock Brake System Warning Light
LOCK
ANT‘- (e)
With the anti-lock brake
system, this light will come
on when you start your
engine and may stay on for
several seconds.
That’s normal.
Traction Control System Warning Light
TRACTION
OFF
This warning light should
come on briefly as you start
the engine. If the warning
light doesn’t come on then,
have it fixed
so it will be
ready to warn you
if there’s
a problem.
If the light stays on, turn the ignition to OFF. Or, if the
light comes on when you’re driving, stop as soon as
possible
and turn the ignition off. Then start the engine
again to reset the system.
If the light still stays on, or
comes on again while you’re driving, your Aurora needs
service.
If the regular brake system warning light isn’t
on, you still have brakes, but you don’t have anti-lock
brakes.
If the regular brake system warning light is also
on, you don’t have anti-lock brakes and there’s a
problem with your regular brakes. See “Brake System
Warning Light” earlier
in this section.
The anti-lock brake system warning light should
COITIC?
on briefly 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.
If it stays on, or comes on when you’re driving, there
may be a problem with your traction control system
and
your vehicle may need service. When this warning light
is on, the system will not limit wheel spin. Adjust your
driving accordingly.
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The traction control system warning light may come on
for the following reasons:
0
0
0 If you turn the system off by pressing the
TRACTION
CONTROL button located on the
center console, the warning light will come on
and
stay on. To turn the system back on, press the button
again. The warning light should
go off. (See
“Traction Control System” in the Index for
more information.)
If there’s a brake system problem that is specifically
related to traction control, the traction control system
will turn
off and the warning light will come on. If
your brakes begin
to overheat, the traction control
system will turn
off and the warning light will come
on until your brakes cool down.
If the traction control system is affected by an
engine-related problem, the system will turn
off and
the warning light will come
on.
If the traction control system warning light comes on
and stays on for an extended period
of time when the
system is turned on, your vehicle needs service.
Traction Control System Active Light
TRACTION
ACTIVE
When your traction control
system is limiting wheel
spin, this light will come on.
Slippery road conditions
may exist
if the traction
control system active light
comes on,
so adjust your
driving accordingly.
The light will stay on for a few seconds after the traction
control system stops limiting wheel spin.
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Engine Coolant Temperature Gage
280
n 100
Q
This gage shows the engine
coolant temperature.
If the gage pointer moves into the red warning zone,
your engine
is hot. To prevent engine overheating, the
air conditioning compressor will turn off automatically,
a fast-pulsed chime will sound, and the message
ENGINE
HOT. ..A/C OFF will appear in the information
center.
As the engine cools down, the air conditioning
compressor will automatically turn back on.
If the coolant temperature is over 26 1 OF ( 127’ C), the
message
HOT ... STOP ENGINE will appear. It means
that your engine coolant has overheated. If you have
been operating your vehicle under normal driving
conditions, you should pull
off the road, stop your
vehicle and turn
off the engine as soon as possible.
The section “Problems on the Road,” in this manual
explains what
to do. See “Engine Overheating” in
the Index.
If your coolant level is low, the message
LOW ENGINE
COOLANT will appear on the Driver Information
Center. Check your coolant level as soon as possible.
See “Engine Coolant” in the Index.
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Malfunction Indicator Lamp
(Service Engine
Soon Light)
SERVICE
ENGINE SOON
Your Aurora is equipped
with a computer which
monitors operation of the
fuel, ignition and emission
control systems.
This system is called OBD
I1 (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.
(In Canada, OBD I1 is replaced by
Enhanced Diagnostics.) The
SERVICE ENGINE SOON
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.
This light should come on, as a check to show you it is
working, when the ignition
is on and the engine is not
running.
If the light doesn’t come on, have it repaired.
This light will also come on during a malfunction in one
of two ways:
a
0
Light Flashing -- A misfire condition has been
detected. A misfire increases vehicle emissions and
may damage the emission control system on your
vehicle. Retailer or qualified service center diagnosis
and service is required.
Light On Steady -- An emission control system
malfunction has been detected on your vehicle.
Retailer or qualified service center diagnosis and
service may be required.

If the Light Is Flashing If the Light Is On Steady
The following may prevent more serious damage to
your vehicle:
Reducing vehicle speed.
Avoiding hard accelerations.
0 Avoiding steep uphill grades.
If you are towing a trailer, reduce the amount of
cargo being hauled as soon as it is possible.
If the light stops flashing and remains on steady, see “If
the Light Is On Steady” following.
If the light continues to flash, when it is safe to do so,
stop the vehicle. Find a safe place to park your vehicle.
Turn the key
off, wait at least 10 seconds and restart the
engine.
If the light remains on steady, see “If the Light
Is On Steady” following. If the light is still flashing,
follow the previous steps, and drive the vehicle to your
retailer or qualified service center for service.
You may be able to correct the emission system
malfunction by considering the following:
Did
you just drive through a deep puddle of water?
If so, your electrical system may be wet. The condition
will usually be corrected when the electrical system
dries out. A few driving trips should
turn the light off.
Are you low on fuel?
As your engine starts to run out of fuel, your engine may
not run as efficiently as designed since small amounts of
air are sucked into the
fuel line causing a misfire. The
system can detect this. Adding fuel should correct this
condition. Make sure to install the fuel cap properly. It
will take a few driving trips to turn the light off.
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Have you recently changed brands of fuel?
If so, be sure to fuel your vehicle with quality fuel (see
“Fuel” in the Index). Poor fuel quality will cause your
engine not to run as efficiently as designed. You may
notice this as stalling after start-up, stalling when you
put the vehicle into gear, misfiring, hesitation on
acceleration
or stumbling on acceleration. (These
conditions may go away once the engine is warmed up.)
This will be detected by the system and cause the light
to turn on.
If you experience one or more of these conditions,
change the fuel brand you use. It
will require at least one
full tank of the proper fuel
to turn the light off.
If none of the above steps have made the light turn off,
have your retailer or qualified service center check
the
vehicle. Your retailer has the proper test equipment and
diagnostic tools to fix any mechanical or electrical
problems that may have developed.
Oil Pressure Warning Light
OIL
If you have a problem with
your oil, this light may stay
on after you start your
engine,
or come on when
you
are driving. A warning
chime and the message
LOW OIL PRESSURE may
also come on.
These indicate that oil
is not going through your engine
quickly enough to keep it cool. The engine could be low
on oil, or could have some other oil problem. Have it
fixed right away.
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The oil light could also come on in three other situations:
When the ignition is on but the engine is not running,
the light will
come on as a test to show you it is
working, but the light will go out when you turn the
ignition to
START. If it doesn’t come on with the
ignition
on, you may have a problem with the fuse or
bulb. Have it fixed right away.
0 Sometimes when the engine is idling at a stop, the
light may blink on and off. This is normal.
If you make a hard stop, the light may come on for a
moment. This is normal.
d!!, CAUTION:
Don’t keep driving if the oil pressure is low. If
you do, your engine can become so hot that it
catches fire. You
or others could be burned.
Check your oil
as soon as possible and have your
vehicle serviced.
NOTICE:
Damage to your engine from neglected oil
problems can be costly and
is not covered by
your warranty.
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