1999 CHEVROLET CORVETTE warning

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Be sure to continue scanning your displays, controls
and driving environment just as you would in a vehicle
without HUD. If you never look at your instrument
panel, you may not see something important, such
as a warning light. Under important warning conditions,
the CHECK GAGES icon will illuminate in the HUD.
View your Driver Information Center (DIC) for
more information.The HUD controls are located to the left of the
steering wheel.

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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 cluster below
the speedometer and tachometer, directly above the
steering column.
The following buttons are 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: Use this button to display gage information
like oil pressure and temperature, coolant temperature,
transmission fluid temperature, battery voltage and
front/rear tire pressures.
3 TRIP: Use 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: Use 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.

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2-93 DIC Controls and Displays
Turn on the system by turning the ignition to ON. When
you turn on the ignition, the DIC will be in the mode last
displayed when the engine was turned off. Each DIC
button allows you to scroll through a menu. A blank
page ends each menu.
If a problem is detected, a diagnostic message will appear
on the display. Press RESET to acknowledge any current
warning or service messages. The following pages will
show the messages you can see on the Driver Information
Center (DIC) display by pressing the DIC buttons.
1 FUEL
The FUEL button displays average fuel economy and
instantaneous fuel economy calculated for your specific
driving conditions and range.
Press the FUEL button to display average fuel economy,
such as:

AVERAGE 20.1 MPG or

AVERAGE 5.3 L/100 km

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DIC Warnings and Messages
The following messages and warnings may appear in the
DIC display. The DIC display area is located in the
instrument 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 HNDLING WARMING UP: When you first start
you vehicle (especially in during cold winter weather),
and begin to drive away (up to 6 mph (10 km/h)), the
message ACT HNDLING 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 next message WARM UP
COMPLETE is displayed in the DIC.
WARM UP COMPLETE : If you receive this message
and hear a chime, the system has completed the
functional check of the Active Handling System.
TRAC/ACT HNDLG - ON: If the Traction Control
and Active Handling Systems are off, depressing the
Active Handling System console button momentarily
will turn both systems on. The message TRAC/ACT
HNDLG
- ON will be displayed temporarily in the DIC,
the instrument cluster light will be off and a chime
will sound.

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TRAC/ACT HNDLG - OFF: By pressing the Active
Handling System console button briefly, the driver can
turn the Traction Control and Active Handling Systems
off. The message TRAC/ACT HNDLG
- OFF will be
displayed in the DIC, the instrument cluster light will be
on and a chime will sound. You can acknowledge this
message by pressing the RESET button. The anti
-lock
brake systems remains on with the Traction Control and
Active Handling Systems off. You should adjust your
driving accordingly.
COMPETITIVE DRIVING: When the Competitive
Driving mode is selected, this message will be displayed
in the DIC. The instrument 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.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 isn't on, you still
have brakes, but don't have anti
-lock brakes. If the
regular brake system light is also on, you don't have
anti
-lock brakes and there is a problem with your
brakes. See ªBrake System Warning Lightº earlier in
this section.
If the SERVICE ABS message is being displayed, your
traction control system and the optional active handling
system will also be disabled. The driver information
center will scroll three messages: SERVICE ABS,
SERVICE TRACTION SYS and SERVICE ACTIVE
HNDLG, and the instrument cluster car icon will be
illuminated. The driver can acknowledge these messages
by pressing the reset button three times. When the
service message is displayed the computer controlled
systems will not assist the driver and you should have
the system repaired as soon as possible. Adjust your
driving accordingly.

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SERVICE COLUMN LOCK: If the system that
controls the locking and unlocking of the steering
column does not work properly, have the vehicle towed
to a dealer for service.
PULL KEY
- WAIT 10 SEC: If this message comes
on, the steering column lock system has detected a
problem while engaging the steering column lock. This
message may occur when the ignition key is removed
and re
-inserted before the steering column lock system
fully locks or unlocks the steering column. To
acknowledge that you have read this message, and to
clear it from the display, remove the ignition key and
wait 10 seconds before re
-inserting the key into the
ignition. If you attempt to operate your vehicle without
removing the key for 10 seconds, the vehicle's fuel
system will shut off at 1.5 mph (2.4 km/h). If the
message stays on after removing the key and waiting 10
seconds, have your vehicle taken to an authorized dealer
as soon as possible for diagnosis and repair.
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. When it is convenient, you should check the oil
level. See ªEngine Oilº in the Index.
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.
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. See ªEngine Overheatingº in the Index.
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.

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TRACTION SYSTEM-OFF: You will hear a single
quick tone when this message is displayed. This
message comes on and stays on when the Traction
Control System button on the console is pressed to
turn the system off. To acknowledge this message,
press RESET.
SERVICE TRACTION SYSTEM: If the SERVICE
TRACTION SYS message is displayed when you are
driving, there is a problem with your Traction Control
System and your vehicle is in need of service. When this
message is displayed, the system will not limit wheel
spin. Adjust your driving accordingly.
If you have the optional Active Handling System, the
SERVICE ACTIVE HNDLG message will also be
displayed and the instrument cluster car icon will also be
illuminated. The driver can acknowledge both messages
by pressing the reset button two times which will also
turn off the instrument cluster icon. When the service
messages are displayed, the computer controlled
systems will not assist the driver in controlling the
vehicle. Have the system repaired as soon as possible.
Adjust your driving accordingly.SERVICE RIDE CONTROL: This message is used
to indicate to the driver that the Selective Real Time
Damping (SRTD) system has detected a malfunction
and that the system must be serviced. The SERVICE
RIDE CONTROL message will always come on when a
failure is detected by the Selective Real Time Damping
(SRTD) system. If a fault is present in the SRTD
which causes the shocks to be in their full soft condition,
the SERVICE RIDE CONTROL, SHOCKS
INOPERATIVE and MAXIMUM 80 MPH (129 km/h)
will display together. You will never get a SHOCKS
INOPERATIVE and MAXIMUM SPEED 80 MPH
(129 km/h) message without a SERVICE RIDE
CONTROL message.
SHOCKS INOPERATIVE: You will hear four chimes
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
10 minutes until this condition changes.
This message indicates that a malfunction is present in
the Selective Real Time Damping (SRTD) system which
is causing the shocks to be in their full soft mode.
This is a warning to the driver that the vehicle handling
may be affected. Have your vehicle serviced as soon
as possible.

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MAXIMUM SPEED 80 MPH (129 km/h): You will
hear four chimes when this message is displayed. To
acknowledge the warning, press RESET. After you press
RESET, a message will reappear every 10 minutes until
this condition changes.
This message indicates that the vehicle speed will be
limited to 80 mph (129 km/h) when the shock absorber
system has failed and the shocks are in their full soft
mode. Have your vehicle serviced as soon as possible.
LOW COOLANT: You will hear two chimes when this
message is displayed. To acknowledge the warning,
press RESET. After you press RESET, a message will
reappear and you will hear a chime every 10 minutes
until this condition changes.
This message indicates that the coolant in the system is
low. You may need to add coolant. See ªEngine
Overheatingº in the Index.
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 from 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. See
ªEngine Overheatingº in the Index.
HIGH OIL TEMPERATURE 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, see ªEngine Overheatingº in the Index. Your
vehicle may need service, so see your dealer. You can
monitor the oil temperature with the GAGES button on
the DIC.