Page 143 of 368

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 does not come on, have
it repaired. This light will also come on during a
malfunction in one of two ways:
Light Flashing— A mis re condition has been
detected. A mis re increases vehicle emissions and
may damage the emission control system on your
vehicle. Diagnosis and service may be required.
Light On Steady— An emission control system
malfunction has been detected on your vehicle.
Diagnosis and service may be required.
If the Light is Flashing
The following may prevent more serious damage
to your vehicle:
Reducing vehicle speed
Avoiding hard accelerations
Avoiding steep uphill grades
If you are towing a trailer, reduce the amount
of cargo being hauled as soon as it is possibleIf the light stops ashing and remains on steady,
see “If the Light Is On Steady” following.
If the light continues to ash, 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 ashing, follow the previous steps, and see your
dealer for service as soon as possible.
If the Light Is On Steady
You may be able to correct the emission system
malfunction by considering the following:
Did you recently put fuel into your vehicle?
If so, reinstall the fuel cap, making sure to fully
install the cap. SeeFilling the Tank on page 5-8.
The diagnostic system can determine if the fuel cap
has been left off or improperly installed. A loose
or missing fuel cap will allow fuel to evaporate into
the atmosphere. A few driving trips with the cap
properly installed should turn the light off.
3-33
Page 145 of 368

Oil Pressure Light
If you have a low engine oil
pressure problem, this light
will stay on after you start
your engine, or come on
when you are driving. This
indicates that your engine
is not receiving enough oil.
The engine could be low on oil, or could have some
other oil problem. Have it xed immediately.
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 xed right away.
If the vehicle is idling at a stop sign, the light may
blink on and then off.
If you make a hard stop, the light may come on
for a moment. This is normal.
{CAUTION:
Do not keep driving if the oil pressure is low.
If you do, your engine can become so hot that
it catches re. You or others could be burned.
Check your oil as soon as possible and have
your vehicle serviced.
Notice:Lack of proper engine oil maintenance may
damage the engine. The repairs would not be covered
by your warranty. Always follow the maintenance
schedule in this manual for changing engine oil.
3-35
Page 146 of 368

Change Engine Oil Light
If this light comes on and
stays on for 30 seconds,
it means that service
is required for your
vehicle. SeeScheduled
Maintenance on page 6-4
for more information.
After having the oil changed you will need to reset the
light. SeeEngine Oil on page 5-13for more information.
Security Light
Your vehicle is equipped
with a Passlock®
theft-deterrent system.
With this system, the
security light will ash
as you open the door
if your ignition is off.
This light will come on brie y when the vehicle is
turned on.
For more information, seePasslock
®on page 2-15.
Reduced Engine Power Light
This light will come
on brie y when you
start the engine.
This light, along with the service engine soon light,
will be displayed when a noticeable reduction in
the vehicle’s performance may occur. Stop the vehicle
and turn off the ignition. Wait for 10 seconds and
restart your vehicle. This may correct the condition.
The vehicle may be driven at a reduced speed when
the reduced engine power light is on, but acceleration
and speed may be reduced. The performance may
be reduced until the next time you drive your vehicle.
If this light stays on, see your GM dealer as soon
as possible for diagnosis and repair.
3-36
Page 148 of 368

Here are four things that some owners ask about.
None of these show a problem with your fuel gage:
At the service station, the fuel pump shuts off
before the gage reads full.
It takes a little more or less fuel to ll up than the
gage indicated. For example, the gage may have
indicated the tank was half full, but it actually took
a little more or less than half the tank’s capacity
to ll the tank.
The gage moves a little when you turn a corner
or speed up.
The gage takes a few seconds to stabilize after
the ignition is turned on, and will go back to
empty when you turn the ignition off.
For your fuel tank capacity, seeCapacities and
Speci cations on page 5-88.
Low Fuel Warning Light
The light below the fuel
gage will come on brie y
when you are starting
the engine.This light also comes on when the fuel tank is low on
fuel. When you add fuel the light should go off. If it does
not, have your vehicle serviced.
Audio System(s)
Determine which radio your vehicle has and then read the
pages following to familiarize yourself with its features.
Driving without distraction is a necessity for a safer
driving experience. SeeDefensive Driving on page 4-2.
By taking a few moments to read this manual and
get familiar with your vehicle’s audio system, you can
use it with less effort, as well as take advantage of
its features. While your vehicle is parked, set up your
audio system by presetting your favorite radio stations,
setting the tone and adjusting the speakers. Then,
when driving conditions permit, you can tune to your
favorite stations using the presets and steering
wheel controls (if equipped).
3-38
Page 151 of 368