warning light CHEVROLET CORVETTE 2004 5.G User Guide

Anti-Lock Brake System
Warning Light
With the anti-lock brake
system, the light 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. Or, 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 3-38. Also
see “Service ABS” underDIC Warnings and Messages
on page 3-58.
The anti-lock brake system warning light will come on
briefly when you turn the ignition key to ON. This is
normal. If the light does not come on then, have it fixed
so it will be ready to warn you if there is a problem.
Traction Control System (TCS)
Warning Light
This light should come on
briefly as you start the
engine. If the light does not
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 and the DIC shows a
SERVICE TRACTION SYSTEM message when you are
driving, there is a problem with your TCS system and
your vehicle needs service. When this light is on,
the system will not limit wheel spin. Adjust your driving
accordingly. If the driver turns off the Traction Control
System by pressing the button on the console, the TCS
system light will come on and the TRACTION SYSTEM
OFF message will show on the DIC.
3-39

Active Handling System Light
The Active Handling System light will come on briefly as
you start the engine. If the light does not come on
then, have it fixed so it will be ready to warn you if there
is a problem. The light will also come on while the
system warms up and the ACT HNDLING WARMING
UP message will be displayed in the Driver Information
Center (DIC).
If the light stays on or
comes on while you are
driving, a chime sounds
and a SERVICE ACTIVE
HNDLG message appears
on the DIC, there is a
problem with your Active
Handling System and
your vehicle needs service.The driver can acknowledge this message by pressing
the RESET button. When the SERVICE ACTIVE
HNDLG message is displayed, the Active Handling
System will not assist you in controlling the vehicle. You
should have the system serviced as soon as possible.
Adjust your driving accordingly.
When the system is working, you will see the ACTIVE
HANDLING message displayed in the DIC. You may also
feel or hear the system working. This is normal.
If the driver turns off the Active Handling System by
pressing the button on the console, the Active Handling
System light will come on, a chime will sound, and
the TRAC/ACT HNDLG OFF message will be displayed
in the DIC. The Traction Control System will also be
turned off. SeeDIC Warnings and Messages on
page 3-58for more information.
If the Active Handling System and the Traction Control
System are off, pressing the console button momentarily
will turn both systems on. The DIC will display the
TRAC/ACT HNDLG ON message, the instrument cluster
light will be off, and a chime will sound. SeeDIC
Warnings and Messages on page 3-58for more
information.
3-40

Check Gages Warning Light
This light will come on
briefly when you are
starting the engine. If the
light comes on and
stays on while you are
driving, check your gages
to see if they are in the
warning areas.
This light can come on for the following reasons:
•Low Oil Pressure
•High Coolant Temperature
•High or Low Battery Voltage
•Low Fuel Level
Fuel Gage
Your fuel gage tells you
about how much fuel you
have left when the
ignition is on.
When the needle approaches the red zone, RESERVE
FUEL will appear on the Driver Information Center (DIC)
display. When the needle approaches the E, LOW
FUEL will appear on the display. At this time, you still
have a little fuel left, but you should get more soon.
Press RESET to acknowledge a DIC message(s).
Pressing RESET will also turn off a DIC message but
the LOW FUEL message will come on again in
10 minutes if you have not added fuel to the vehicle.
3-46

Driver Information Center (DIC)
The Driver Information Center (DIC) will display
information about how your vehicle is functioning, as
well as warning messages if a system problem is
detected. The DIC display area is located in the
instrument panel cluster below the speedometer and
tachometer, directly above the steering column.
The following buttons are located on the DIC control
panel which is located to the right of the instrument
panel cluster.1 FUEL:Press this button to display fuel information
such as fuel economy and range.
2 GAGES:Press this button to display gage information
like oil pressure and temperature, coolant temperature,
automatic transmission fluid temperature (if equipped),
battery voltage and front/rear tire pressures.
3 TRIP:Press this button to display your total and trip
miles, the elapsed time function, your average speed
and the engine oil life.
4 OPTIONS:This button allows you to choose personal
options that are available on your vehicle, depending
on the options your vehicle is equipped with, such
as security, door locks, easy entry seats and language.
5 E/M (English/Metric):Press this button to change
the display between English and metric units.
RESET:This button, used along with the other buttons,
will reset system functions and turn off or acknowledge
messages on the Driver Information Center (DIC).
At the top of the DIC control buttons is a light sensor.
Be sure not to block the sensor or your lighting functions
may be disrupted.
3-48

DIC Warnings and Messages
The following messages and warnings may appear in
the DIC display. The DIC display area is located in
the instrument panel cluster below the speedometer and
tachometer, directly above the steering column. You
may receive more than one message at a time.
Messages will appear one behind the other. To
acknowledge a message and remove it from the display,
press RESET. You may scroll through the messages
that may have been sent at the same time. The
message center is continuously updated with the vehicle
performance status.
ABS ACTIVE (Anti-Lock Brake System
Active):When your anti-lock system is adjusting brake
pressure to help avoid a braking skid, the ABS
ACTIVE message will be displayed.
Slippery road conditions may exist if this message is
displayed, so adjust your driving accordingly. The
message will stay on for a few seconds after the system
stops adjusting brake pressure.ACT HNDLG – WARMING UP:When you first start
your vehicle (especially during cold winter weather), and
begin to drive away (up to 6 mph (10 km/h)), the
message ACT HNDLG – WARMING UP may be
displayed in the DIC, the instrument panel cluster light
will be on, and a chime will sound. This is normal.
You can acknowledge this message by pressing the
RESET button. The Active Handling System
performance is affected until the next message WARM
UP COMPLETE is displayed in the DIC.
During hot or cold temperature conditions, this message
may be displayed in the DIC after exceeding 12 mph
(20 km/h) for 30 seconds. The Active Handling System is
off until the WARM UP COMPLETE message is
displayed.
ACTIVE HANDLING:Your vehicle is equipped with a
computer controlled system to assist the driver in
controlling the vehicle in difficult driving conditions. You
may feel or hear the system working and see the
ACTIVE HANDLING message displayed in the DIC.
This is normal when the system is operating. Also see
Braking on page 4-6.
3-58

CHARGE SYSTEM FAULT:Press RESET to
acknowledge that you have read the message and to
remove it from the display. The message will reappear
every 10 minutes until this condition changes. You
will hear two chimes when this message is displayed.
If this message comes on while you are driving, you may
have a problem with the electrical charging system. It
could indicate that you have a loose or broken drive belt
or another electrical problem. Have it checked right
away. Driving while this light is on could drain your
battery.
If you must drive a short distance with the message on,
be certain to turn off your accessories, such as the
radio and air conditioner.
COMPETITIVE DRIVING:When the Competitive
Driving mode is selected, this message will be displayed
in the DIC. The instrument panel cluster light will not
be on when the Competitive Driving mode is selected.
The Traction Control System will not be operating
while in the Competitive Driving mode. You should
adjust your driving accordingly.COOLANT OVER TEMP:You will hear four chimes
and the CHECK GAGES telltale will come on when this
message is displayed. To acknowledge the warning,
press the RESET button. After you press the RESET
button, a message will be displayed and you will hear a
chime every minute until this condition changes. If
you do not press RESET, the message will remain on
the digital display until the condition changes.
If the engine coolant exceeds 255°F (124°C), this
message is displayed. 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. You can monitor the coolant
temperature with the GAGES button on the DIC or
the engine coolant gage on the instrument panel cluster.
SeeEngine Overheating on page 5-26.
3-59

LOW OIL LEVEL:Press RESET to acknowledge that
you have read the message and to remove it from
the display. The message will reappear every
10 minutes until this condition changes. Once the
vehicle senses a temperature change in the engine oil,
the light will remain off.
You will hear two chimes when this message is
displayed. If this message appears after starting your
engine, your engine oil level may be too low. You
may need to add oil. SeeEngine Overheating on
page 5-26.
LOW OIL PRESSURE:You will hear four chimes and
the CHECK GAGES telltale will come on when this
message is displayed. To acknowledge the warning,
press the RESET button. After you press the RESET
button, a message will be displayed and you will hear a
chime every minute until the vehicle is serviced. If
you do not press RESET, the message will remain on
the digital display until the vehicle is serviced.
Low oil pressure may be the result of a combination of
low oil level and abrupt changes in the vehicle’s
direction. When this warning is displayed, you should
not operate the engine at high rpm or make fast abrupt
moves. As soon as possible, you should check the
oil level. SeeEngine Oil on page 5-13.LOW TIRE PRESSURE (Except Z06):You will hear
two chimes when this message is displayed. To
acknowledge the warning, press RESET. After you
press RESET, a message will appear every 10 minutes
until this condition changes. This message indicates
that the pressure in one of your tires is less than 25 psi
(172 kPa). Next to the LOW TIRE PRESSURE
message, you can see either LF (left front), LR (left
rear), RF (right front) or RR (right rear) to indicate to you
which tire is low on pressure. You can receive more
than one tire pressure message at a time. To read other
messages that may have been sent at the same time,
press RESET. 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 your Tire Loading
Information Label. SeeExtended Mobility Tires
(Except Z06) on page 5-61andTire Pressure
Monitor Operation (Except Z06) on page 5-64.
3-62

REDUCED ENGINE POWER:You will hear chimes
continuously when this message is displayed. To
acknowledge that you have read the message and to
remove it from the display, press RESET. The message
will reappear every 15 seconds until this condition
changes.
If the Driver Information Center (DIC) displays the
REDUCED ENGINE POWER message and the CHECK
ENGINE light comes on, a noticeable reduction in the
vehicle’s performance may occur. If the REDUCED
ENGINE POWER message is displayed but there is no
reduction in performance, proceed to your destination.
The performance may be reduced the next time
the vehicle is driven.
The vehicle may be driven at a reduced speed while the
REDUCED ENGINE POWER message is displayed,
but acceleration and speed may be reduced. Anytime
the CHECK ENGINE light stays on, the vehicle
should be taken to an authorized dealer as soon as
possible for diagnosis and repair.
Also, refer toMalfunction Indicator Lamp on page 3-41.
If the REDUCED ENGINE POWER message is
displayed in combination with the COOLANT OVER
TEMP message, seeEngine Overheating on page 5-26.REDUCE ENGINE RPM:You will hear four chimes
when this message is displayed. To acknowledge
the warning, press the RESET button. After you press
the RESET button, a message will be displayed and you
will hear a chime every minute until this condition
changes. If you do not press RESET, the message will
remain on the digital display until the condition
changes.
If the engine oil temperature exceeds 320°F (160°C),
this message is displayed. You should check the engine
coolant temperature and engine oil level. If your
engine is too hot, seeEngine Overheating on page 5-26.
Your vehicle may need service, so see your dealer.
You can monitor the oil temperature with the GAGES
button on the DIC.
SERVICE ABS (Anti-Lock Brake System):If the
SERVICE ABS message is displayed 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 message stays on, or comes back
on again while you are driving, your vehicle is in need
of service. If the regular brake system warning light
is not on, you still have brakes, but do not have anti-lock
brakes. If the regular brake system light is also on,
you do not have anti-lock brakes and there is a problem
with your brakes. SeeBrake System Warning Light
on page 3-38.
3-64

Avoid needless heavy braking. Some people drive in
spurts — heavy acceleration followed by heavy
braking — rather than keeping pace with traffic. This is
a mistake. Your brakes may not have time to cool
between hard stops. Your brakes will wear out much
faster if you do a lot of heavy braking. If you keep pace
with the traffic and allow realistic following distances,
you will eliminate a lot of unnecessary braking.
That means better braking and longer brake life.
If your engine ever stops while you are driving, brake
normally but do not pump your brakes. If you do,
the pedal may get harder to push down. If your engine
stops, you will still have some power brake assist.
But you will use it when you brake. Once the power
assist is used up, it may take longer to stop and
the brake pedal will be harder to push.Anti-lock Brake System (ABS)
Your vehicle has anti-lock brakes. ABS is an advanced
electronic braking system that will help prevent a
braking skid.
When you start your engine and begin to drive away,
your anti-lock brake system will check itself. You
may hear a momentary motor or clicking noise while
this test is going on, and you may even notice that your
brake pedal moves a little. This is normal.
If there is a problem with
the anti-lock brake system,
this warning light will
stay on. SeeAnti-Lock
Brake System Warning
Light on page 3-39.
4-7

The SERVICE TRACTION
SYSTEM message and
the TCS warning light will
come on to let you
know if there is a problem
with your TCS system.
SeeDIC Warnings
and Messages on
page 3-58.
When this light and the SERVICE TRACTION SYSTEM
message are on, the system will not limit wheel spin.
Adjust your driving accordingly.
The TCS system automatically comes on whenever you
start your vehicle. To limit wheel spin, especially in
slippery road conditions, you should always leave the
system on. But you can turn the TCS system off if
you ever need to.To turn the system off,
press the button located
on the console. You
can turn the system on or
off at any time by
pressing the ACTIVE
HANDLING button. The
DIC will display the
appropriate message when
you push the button.
Active Handling System
The Active Handling System is a computer controlled
system that helps the driver maintain directional control
of the vehicle in difficult driving conditions. This is
accomplished by selectively applying any one of the
vehicle’s brakes.
When you first start your vehicle and begin to drive away
(6 mph (10 km/h)), the message ACT HNDLG WARMING
UP may be displayed in the DIC, the instrument cluster
light will be on, and a chime will sound. This is normal.
You can acknowledge this message by pressing the
RESET button. The Active Handling System performance
is affected until the message, WARM UP COMPLETE, is
displayed in the DIC.
4-10