warning light CHEVROLET IMPALA 2008 9.G User Guide

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Charging System Light
This light will come on
briey when you turn on
the ignition, but the engine
is not running, as a
check to show you it is
working.
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. A charging system
Driver Information Center (DIC) message may also
appear. SeeDIC Warnings and Messages on page 3-52
for more information. This light could indicate that you
have problems with a generator drive belt, or another
electrical problem. Have it checked right away.
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.
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.
This light should come on briey when the engine is
started. If it does not come on then, have it xed so it
will be ready to warn you if there is a problem.
United StatesCanada
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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 it stays on after your parking brake is
fully released, it means you have a brake problem.
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 4-26.
{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.
Antilock Brake System
Warning Light
For vehicles with the
Antilock Brake System
(ABS), this light will come
on briey when you
start the engine.
That 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.
If the ABS light stays on, turn the ignition off, if the light
comes on when you are driving, stop as soon as it
is safely possible and turn the ignition off. Then start the
engine again to reset the system. If the ABS 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 antilock brakes. If the regular brake system
warning light is also on, you do not have antilock brakes
and there is a problem with your regular brakes.
SeeBrake System Warning Light on page 3-34
For vehicles with a Driver Information Center (DIC),
seeDIC Warnings and Messages on page 3-52for all
brake related DIC messages.
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Traction Control System (TCS)
Warning Light
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
a SERVICE TRACTION CONTROL message will appear
in the Driver Information Center (DIC). This indicates
that there may be a problem with your traction control
system and your vehicle may need service. When
this warning light is on and the SERVICE TRACTION
CONTROL message appears on the DIC, the system
will not limit wheel spin. Adjust your driving accordingly.
If the traction control system is manually turned off,
this light will come on and the TRACTION
CONTROL OFF message will appear on the DIC.When the system is active, the light will ash while the
system is limiting wheel spin or assisting you in
controlling the vehicle. You may also feel or hear the
system working. This is normal.
SeeTraction Control System (TCS) on page 4-6and
DIC Warnings and Messages on page 3-52for
more information.
Electronic Stability Control
Indicator Light
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.
This light may come on after you rst start to drive and
the STABILITRAK NOT READY message will appear
in the Driver Information Center (DIC). SeeElectronic
Stability Control on page 4-7for more information.
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If the light stays on, or comes on when you are driving
a SERVICE STABILITRAK message will appear in
the DIC. This indicates that there may be a problem with
the Electronic Stability Control (ESC) system and your
vehicle may need service. When this warning light
is on and the SERVICE STABILITRAK message
appears on the DIC, the ESC system will not assist you
in controlling the vehicle. Adjust your driving accordingly.
When the system is active, the light will ash while
the system is assisting you in controlling the vehicle.
You may also feel or hear the system working.
This is normal.
SeeElectronic Stability Control on page 4-7and
DIC Warnings and Messages on page 3-52for
more information.Engine Coolant Temperature
Warning Light
The engine coolant
temperature warning light
will come on when the
engine has overheated.
If this happens you should pull over and turn off the
engine as soon as possible. SeeEngine Overheating
on page 5-29for more information.
Notice:Driving with the engine coolant temperature
warning light on could cause your vehicle to
overheat. SeeEngine Overheating on page 5-29.
Your vehicle could be damaged, and it might not be
covered by your warranty. Never drive with the
engine coolant temperature warning light on.
This light will also come on briey when starting your
vehicle. If it does not, have your vehicle serviced.
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Engine Coolant Temperature Gage
This gage shows the engine coolant temperature. If the
gage pointer moves towards the “H” (United States)
or the shaded in thermostat (Canada), 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.
SeeEngine Overheating on page 5-29for more
information.
Tire Pressure Light
This light comes on briey
when the engine is started.
This light will also come on when one or more of your
tires are signicantly underinated.
A tire pressure message in the Driver Information
Center (DIC), may accompany the light. SeeDIC
Warnings and Messages on page 3-52for more
information.
Stop and check your tires as soon as it is safe to
do so. If underinated, inate to the proper pressure.
SeeTires on page 5-54for more information.
If a problem is detected with the Tire Pressure
Monitor System, this light will ash for approximately
60 seconds and then stay on solid for the remainder of
the ignition cycle. SeeTire Pressure Monitor System
on page 5-63for more information. United States
Canada
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DIC Warnings and Messages
Messages are displayed on the DIC to notify the driver
that the status of the vehicle has changed and that
some action may be needed by the driver to correct the
condition. Multiple messages may appear one after
another. Some messages may not require immediate
action, but you can press the set/reset button to
acknowledge that you received the message and clear it
from the DIC display. Pressing any of the DIC buttons
also acknowledges and clears any messages. Some
messages cannot be cleared from the DIC display
because they are more urgent. These messages require
action before they can be cleared. You should take
any messages that appear on the display seriously and
remember that clearing the messages will only make
the messages disappear, not correct the problem.
The following are the possible messages that can be
displayed and some information about them.
AUTOMATIC LIGHT CONTROL OFF
This message displays when the automatic headlamps
are turned off. SeeExterior Lamps on page 3-14for
more information.
AUTOMATIC LIGHT CONTROL ON
This message displays when the automatic headlamps
are turned on. SeeExterior Lamps on page 3-14for
more information.
BATTERY SAVER ACTIVE
This message displays when the system detects that
the battery voltage is dropping beyond a reasonable
level. The battery saver system starts reducing certain
features of the vehicle that you may be able to notice.
At the point that the features are disabled, this message
is displayed. It means that the vehicle is trying to
save the charge in the battery.
Turn off all unnecessary accessories to allow the battery
to recharge.
The normal battery voltage range is 11.5 to 15.5 volts.
CHANGE ENGINE OIL SOON
This message displays when service is required for the
vehicle. See your dealer/retailer. SeeEngine Oil on
page 5-17andScheduled Maintenance on page 6-4
for more information.
Acknowledging the CHANGE ENGINE OIL SOON
message will not reset the OIL LIFE REMAINING.
That must be done at the OIL LIFE screen under the
vehicle information menu. See “Oil Life” underDIC
Operation and Displays on page 3-44andEngine Oil
Life System on page 5-20.
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CHECK TIRE PRESSURE
This message displays when the pressure in one or
more of the vehicle’s tires needs to be checked.
This message also displays LEFT FRONT, RIGHT
FRONT, LEFT REAR, or RIGHT REAR to indicate which
tire needs to be checked. You can receive more than
one tire pressure message at a time. To read the other
messages that may have been sent at the same
time, press the set/reset button. If a tire pressure
message appears on the DIC, stop as soon as you can.
Have the tire pressures checked and set to those
shown on the Tire Loading Information label. SeeTires
on page 5-54,Loading Your Vehicle on page 4-21,
andInflation - Tire Pressure on page 5-61. The DIC also
shows the tire pressure values. SeeDIC Operation
and Displays on page 3-44. If the tire pressure is low,
the low tire pressure warning light comes on. See
Tire Pressure Light on page 3-38.
DRIVER DOOR OPEN
This message displays when the driver door is not
closed properly. Make sure that the door is closed
completely.
ENGINE HOT A/C (Air Conditioning) OFF
This message displays when the engine coolant
becomes hotter than the normal operating temperature.
To avoid added strain on a hot engine, the air
conditioning compressor is automatically turned off.
When the coolant temperature returns to normal, the A/C
operation automatically resumes. You can continue to
drive your vehicle. If this message continues to appear,
have the system repaired by your dealer/retailer as soon
as possible to avoid compressor damage.
ENGINE OVERHEATED IDLE ENGINE
Notice:If you drive your vehicle while the engine
is overheating, severe engine damage may occur.
If an overheat warning appears on the instrument
panel cluster and/or DIC, stop the vehicle as soon as
possible. Do not increase the engine speed above
normal idling speed. SeeEngine Overheating
on page 5-29for more information.
This message displays when the engine coolant
temperature is too hot. Stop and allow the vehicle to
idle until it cools down.
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LEFT REAR DOOR OPEN
This message displays when the driver side rear door is
not closed properly. Make sure that the door is closed
completely.
OIL PRESSURE LOW STOP ENGINE
Notice:If you drive your vehicle while the engine
oil pressure is low, severe engine damage may
occur. If a low oil pressure warning appears on the
Driver Information Center (DIC), stop the vehicle
as soon as possible. Do not drive the vehicle until
the cause of the low oil pressure is corrected.
SeeEngine Oil on page 5-17for more information.
This message displays when the vehicle’s engine
oil pressure is low. The oil pressure light also appears
on the instrument panel cluster. SeeOil Pressure
Light on page 3-42.
Stop the vehicle immediately, as engine damage can
result from driving a vehicle with low oil pressure.
Have the vehicle serviced by your dealer/retailer as soon
as possible when this message is displayed.
PASSENGER DOOR OPEN
This message displays when the front passenger door
is not closed properly. Make sure that the door is closed
completely.
REMOTE KEY LEARNING ACTIVE
This message displays while you are matching a
Remote Keyless Entry (RKE) transmitter to your vehicle.
See “Matching Transmitter(s) to Your Vehicle” under
Remote Keyless Entry (RKE) System Operation
on page 2-5andDIC Operation and Displays on
page 3-44for more information.
REPLACE BATTERY IN REMOTE KEY
This message displays when the battery in the Remote
Keyless Entry (RKE) transmitter needs to be replaced.
To replace the battery, see “Battery Replacement” under
Remote Keyless Entry (RKE) System Operation on
page 2-5.
RIGHT REAR DOOR OPEN
This message displays when the passenger side rear
door is not closed properly. Make sure that the door
is closed completely.
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SERVICE A/C (Air Conditioning)
SYSTEM
This message displays when the electronic sensors that
control the air conditioning and heating systems are
no longer working. Have the climate control system
serviced by your dealer/retailer if you notice a drop in
heating and air conditioning efficiency.
SERVICE AIR BAG
This message displays when there is a problem with the
airbag system. Have your vehicle serviced by your
dealer/retailer immediately. SeeAirbag Readiness Light
on page 3-31for more information.
SERVICE BATTERY CHARGING
SYSTEM
This message displays when there is a problem with the
generator and battery charging systems. Driving with
this problem could drain the battery. Turn off all
unnecessary accessories. Stop and turn off the vehicle
as soon as it is safe to do so. Have the electrical
system checked by your dealer/retailer immediately.
SERVICE BRAKE SYSTEM
This message displays when service is required on the
brake system. Have the brake system serviced by
your dealer/retailer as soon as possible. The brake
system warning light also appears on the instrument
panel cluster when this message appears on the DIC.
SeeBrake System Warning Light on page 3-34.
SERVICE POWER STEERING
This message displays when a problem is detected with
the power steering system. When this message is
displayed, you may notice that the effort required to
steer the vehicle increases or feels heavier, but you will
still be able to steer the vehicle. Have your vehicle
serviced by your dealer/retailer immediately.
SERVICE STABILITRAK
If your vehicle has Electronic Stability Control (ESC),
this message displays if there has been a problem
detected with ESC. The ESC/TCS light also appears on
the instrument panel cluster. SeeElectronic Stability
Control on page 4-7for more information.
If this message turns on while you are driving, pull off the
road as soon as possible and stop carefully. Try resetting
the system by turning the ignition off and then back on.
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If this message still stays on or turns back on again while
you are driving, your vehicle needs service. Have the
system inspected by your dealer/retailer as soon as
possible.
SERVICE THEFT SYSTEM
This message displays when there is a problem with the
theft-deterrent system programmed in the key. A fault
has been detected in the system which means that
the system is disabled and it is not protecting the
vehicle. The vehicle usually restarts; however, you may
want to take the vehicle to your dealer/retailer before
turning off the engine. SeePASS-Key
®III+ Operation on
page 2-20for more information.
SERVICE TIRE MONITOR SYSTEM
This message displays if a part on the Tire Pressure
Monitor System (TPMS) is not working properly. The tire
pressure light also ashes and then remains on during
the same ignition cycle. SeeTire Pressure Light on
page 3-38. Several conditions may cause this message
to appear. SeeTire Pressure Monitor Operation on
page 5-64for more information. If the warning comes on
and stays on, there may be a problem with the TPMS.
See your dealer/retailer.
SERVICE TRACTION CONTROL
If your vehicle has the Traction Control System (TCS),
this message displays when the system is not
functioning properly. A warning light also appears on the
instrument panel cluster. SeeTraction Control System
(TCS) Warning Light on page 3-36. SeeTraction Control
System (TCS) on page 4-6for more information.
Have the TCS serviced by your dealer/retailer as soon
as possible.
SERVICE TRANSMISSION
This message displays when there is a problem with the
transmission. See your dealer/retailer for service.
SERVICE VEHICLE SOON
This message displays when a non-emissions related
malfunction occurs. Have the vehicle serviced by
your dealer/retailer as soon as possible.
STABILITRAK NOT READY
If your vehicle has Electronic Stability Control (ESC),
this message may display and the ESC/TCS light on the
instrument panel cluster may be on after rst driving
the vehicle and exceeding 19 mph (30 km/h) for
30 seconds. The ESC system is not functional until the
light has turned off. SeeElectronic Stability Control
on page 4-7for more information.
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