2004 PONTIAC BONNEVILLE warning

Voltmeter Gage
When your engine is not
running, but the ignition
key is turned to ON,
this gage shows the state
of the battery charge in
DC volts.
When the ignition is running, the gage shows the
condition of the charging system. Readings between the
shaded warning zones indicate the normal operating
range. Readings in the shaded warning zones indicate a
possible problem in the electrical system.On vehicles with the systems monitor, the CHECK
GAGES light will also come on, and a warning chime
will sound if there is a problem in the electrical system.
Have your vehicle serviced immediately.
On vehicles with a DIC, a CHECK CHARGE SYSTEM
message will be displayed and a warning chime will
sound if there is a problem in the electrical system. Have
your vehicle serviced immediately. SeeDIC Warnings
and Messages on page 3-61for more information.
Brake System Warning Light
Your vehicle’s hydraulic brake system is divided into two
parts. If one part is not working, the other part can
still work and stop you. For good braking, though, you
need both parts working well.
If the warning light comes on, there is a brake problem.
Have your brake system inspected right away.
3-42

This light should come on briey when you turn the
ignition key to ON. If it does not come on then, have it
xed so it will be ready to warn you if there is a
problem.
When the ignition is on, the brake system warning light
will also come on when you set your parking brake.
The light will stay on if your parking brake does
not release fully. If you try to drive off with the parking
brake set, a chime will also come on until you
release the parking brake. If the light stays on after your
parking brake is fully released, it means you have a
brake problem.If you have the optional Driver Information Center (DIC),
a PARK BRAKE SET message will be displayed
while the parking brake is set.
If the light comes on while you are driving, pull off the
road and stop carefully. You may notice that the pedal is
harder to push. Or, the pedal may go closer to the
oor. It may take longer to stop. If the light is still on,
have the vehicle towed for service. SeeTowing
Your Vehicle on page 4-31.
{CAUTION:
Your brake system may not be working properly
if the brake system warning light is on. Driving
with the brake system warning light on can lead
to an accident. If the light is still on after you
have pulled off the road and stopped carefully,
have the vehicle towed for service. United States
Canada
3-43

Anti-Lock Brake System Warning
Light
With the anti-lock brake system, the light(s) will come
on when your engine is started and may stay on
for several seconds. That is normal.If the light stays on, turn the ignition to OFF. If the light
comes on when you are 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 are driving, your vehicle
needs service. If the regular brake system warning light
is not on, you still have brakes, but you do not have
anti-lock brakes. If the regular brake system warning
light is also on, you do not have anti-lock brakes
and there is a problem with your regular brakes. See
Brake System Warning Light on page 3-42.
The anti-lock brake system warning light will come on
briey when you turn the ignition key to ON. This is
normal. If the light does not come on then, have it xed
so it will be ready to warn you if there is a problem. United States
Canada
3-44

Traction Control System (TCS)
Warning Light
For vehicles equipped with
the traction control system,
this warning light should
come on briey when
the engine is started.
If the warning light does not come on then, have it xed
so it will be ready to warn you if there is a problem. If
it stays on, or comes on when you are 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.The traction control system warning light may come on
for the following reasons:
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. SeeTraction
Control System (TCS) on page 4-9for more
information.
If there is a brake system problem that is specically
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.
3-45

Engine Coolant Temperature Gage
This gage shows the engine coolant temperature.
To prevent engine overheating, the air conditioning
compressor will turn off automatically just prior to the
gage pointer entering the shaded area.As the engine cools down, the air conditioning
compressor will automatically turn back on. On vehicles
equipped with the DIC, the message ENGINE HOT... A/C
DISABLED will appear in the DIC display and a warning
chime will sound.
If the gage pointer moves into the shaded area, your
engine is too hot. On vehicles equipped with the
systems monitor, the CHECK GAGES light will come on
and a warning chime will sound.
On vehicles with a DIC, a CHECK GAGES
TEMPERATURE message will be displayed and a
warning chime will sound. SeeDIC Warnings and
Messages on page 3-61for more information.
SeeEngine Overheating on page 5-29, for information
on what to do if your engine overheats. United States
Canada
3-47

Tire Pressure Light
The check tire pressure system can alert you to a large
change in the pressure of one tire.
After the system has been
properly calibrated, the
TIRE PRESS light
will come on if a pressure
difference (low pressure)
is detected in one tire.
The light will stay on until you turn off the ignition or
reset (calibrate) the system. SeeCheck Tire Pressure
System on page 5-68.
The TIRE PRESS light also comes on briey when you
turn your ignition key to START. If the light doesn’t
come on then, have it xed so it will be there to tell you
if the pressure in a tire is low.
If the anti-lock brake system warning light comes on,
the check tire pressure system may not be working
properly. See your dealer for service. Also, see
Anti-Lock Brake System Warning Light on page 3-44.On vehicles with the optional Driver Information Center
(DIC), a CHECK TIRE PRESSURE message replaces
the TIRE PRESS light when the system detects a
pressure difference (low pressure) in one tire. SeeDIC
Warnings and Messages on page 3-61for more
information.
Malfunction Indicator Lamp
Service Engine Soon Light
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.
3-48

Oil Pressure Gage
Readings above the shaded warning zone indicate the
normal operating range. Oil pressure may vary with
engine speed, outside temperature and oil viscosity.
A reading in the shaded warning zone may be caused
by a low oil level or another problem causing low oil
pressure. On vehicles with the systems monitor,
the CHECK GAGES light will come on and a warning
chime will sound.On vehicles with a DIC, a CHECK GAGES OIL
PRESSURE message will be displayed and a warning
chime will sound. SeeDIC Warnings and Messages
on page 3-61for more information.
{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. United States
Canada
3-52

Check Oil Level Light
If your vehicle has the
systems monitor, the
CHECK OIL LEVEL light
comes on for ve seconds
as a bulb check each
time the ignition key
is turned to ON.
If the engine oil is more than 1.0 quart (0.9 L) low and
the engine has been shut off for at least eight minutes,
the CHECK OIL LEVEL light will come on and a
chime will sound the next time you start your vehicle.
If the CHECK OIL LEVEL light comes on, the engine oil
level should be checked at the dipstick then brought
up to the proper level, if necessary. SeeEngine Oil on
page 5-16.
On vehicles with a DIC, the CHECK OIL LEVEL light is
replaced by an OIL LEVEL LOW message. See DIC
Warnings and Messages on page 3-61for more
information.
Security Light
This light on the instrument
panel cluster reminds you
to activate the
theft-deterrent system
when leaving your vehicle.
SeeUniversal Theft-Deterrent on page 2-21for more
information.
Low Washer Fluid Warning Light
If your vehicle has the
systems monitor, this light
will come on and a
warning chime will sound
when the washer uid
container is less than
one-third full.
On vehicles with a DIC, the WASHER FLUID light is
replaced by the WASHER FLUID LOW message. See
DIC Warnings and Messages on page 3-61for more
information.
3-53