1999 CHEVROLET CORVETTE ECU

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2-62
NOTICE:
To avoid damage to the roof panel, paint and
weatherstripping, do not drop or rest it on its
edges. Place the roof panel in the egg
-shaped
stowage receivers after removing it from
the vehicle.
1. Park on a level surface, set the parking brake firmly
and shift an automatic transmission into PARK (P).
Shift a manual transmission into REVERSE (R).
Turn the ignition key to OFF. Lower both sunshades
and rotate them toward the door glass.
2. Open the rear liftgate and remove any items that may
interfere with proper storage of the roof panel.
Also install the two egg
-shaped stowage receivers
into the floor of the rear storage compartment.
Secure both receivers into their proper positions by
turning them counterclockwise.
3. Lower the windows and open the doors.

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2-65 Storing the Roof Panel
CAUTION:
If the roof panel is not stored properly, it could be
thrown about the vehicle in a crash or sudden
maneuver. People in the vehicle could be injured.
Whenever you store the roof panel in the vehicle,
always be sure that it is stored securely in the
rear area using the storage pins.
NOTICE:
To avoid damage to the roof panel, paint and
weatherstripping, do not drop or rest it on its
edges. Place the roof panel in the egg
-shaped
stowage receivers after removing it from
the vehicle.
1. Turn the roof panel so that the rear edge of the panel
is facing the storage area. The locating pins (at the
rear of the panel) should point toward the
egg
-shaped stowage receivers on the floor of the
center compartment.
2. Push the panel forward until the pins bottom out in
the receivers.
3. There are two spring-loaded storage pins on the rear
wall of the storage compartment (A). These storage
pins go into the slots on each side of the roof
panel (B).

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2-67
1. Check to be sure that the front handles and rear latch
on the ceiling are in their opened positions before
attempting to install the roof panel.
2. If the roof panel is stored in the rear area, grasp it
with your right hand at the middle edge near the
seatbacks, and with your left hand at the middle of
the edge closest to you. Reverse the steps described
previously under ªStoring the Roof Panel.º
3. Remove the roof panel from the
storage compartment.
4. In most cases, it is easier to install the removable
roof with two people rather than one. Place the roof
panel over the vehicle.
5. Position the rear edge of the roof panel to the
weatherstrip on the back of the roof opening (A). Then
align the pins at the rear of the roof panel weatherstrip
with the receiving cup in the body weatherstrip (B).
Gently lower the front edge of the roof panel to the
front of the body opening (C).
6. Rotate the front handles toward the side doors to the
closed position.
7. Hook the rear latch by pushing the lever up to the
locked position.
8. Grasp and tug the roof panel up and down and
side
-to-side to make sure the roof panel is
securely installed.

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2-73
3. Pull the top up by firmly gripping the front edge (A)
of the convertible top with your hand and applying a
brisk, firm upward and forward motion to get the top
in the full
-up position.
4. Lift the rear edge (B) of the convertible top to its
full
-up position by first raising the front edge (A).
5. Close the storage compartment lid (C) by closing
with a swift, firm motion.
6. Lower the rear edge (B) of the convertible top by
first slightly pushing the front edge (A) of the
convertible top forward.
7. Push the front edge (A) of the convertible top down
from the outside of the vehicle, or pull the front edge
(A) of the convertible top down from the center
pull
-down handle located in the inside of the vehicle.
8. Rotate the latches outward to secure the top in the
up position.

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2-86
CAUTION:
Don't keep driving if the oil pressure is low. If
you do, your engine can become so hot that it
catches fire. You or others could be burned.
Check your oil as soon as possible and have your
vehicle serviced.
NOTICE:
Damage to your engine from neglected oil
problems can be costly and is not covered by
your warranty.
Security Light
This light comes on to
remind you to arm your
theft
-deterrent system. If it
comes on and stays on when
your ignition is on, there
may be a problem with your
theft
-deterrent system.
See ªUniversal Theft
-Deterrentº and ªPASS-Key
Systemº in the Index.
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.

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2-92
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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2-97
Average Speed
Press the TRIP button until the average speed is
displayed, such as:

AVERAGE SPEED 62 MPH or

AVERAGE SPEED 100 km/h
Press reset in this mode to start calculating the average
speed. Press and hold RESET to clear.
Engine Oil Life
Press the TRIP button until the engine oil life is
displayed, such as OIL LIFE REMAIN 89%.
This is an estimate of the engine oil's remaining useful
life. It will show 99% when the system is reset after an
oil change. It will alert you to change your oil on a
schedule consistent with your driving conditions.
When the remaining oil life is low, the system will alert
you with the message CHANGE OIL SOON.
When the oil life is down to zero, you will receive the
message CHANGE OIL NOW.Remember, you must reset the OIL LIFE yourself after
each oil change. It will not reset itself. Also, be careful
not to reset the OIL LIFE accidentally at any time other
than when the oil has just been changed. It can't be reset
accurately until the next oil change.
To reset the Engine Oil Life Monitor, see ªHow to Reset
the Engine Oil Life Monitorº in the Index.
Also, see ªEngine Oil, When to Changeº and
ªMaintenance Scheduleº in the Index.
4 OPTIONS
This button allows you to choose personal options that
may be available on your vehicle, depending on the
options your vehicle is equipped with, such as security,
door locks, easy entry seats and language. Some of these
functions work along with the key fob transmitter.
When returning to the options menu, the first item of the
options list will always be displayed, not the one you
were last in when you changed buttons.

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2-99
If you choose LOCK & ARM - OFF, you will
receive no security feedback when locking or unlocking
your vehicle.
If you choose LOCK & ARM
- HORN ONLY, only the
horn will chirp to let you know when your alarm system
has armed when locking your vehicle.
If you choose LOCK & ARM
- LIGHTS ONLY,
only your exterior lamps will flash to let you know
when your alarm system has armed when locking
your vehicle.
If you choose LOCK & ARM
- HORN & LIGHTS, the
horn will chirp and the exterior lamps will flash briefly
to let you know the system has armed when locking
your vehicle.
Alarm
Press the OPTIONS button until ALARM appears on
the display, then use the RESET button to page through
the following selections:

ALARM
-HORN

ALARM HORN & LIGHTS
If you choose ALARM
-HORN, the horn will sound
during an alarm.If you choose ALARM HORN & LIGHTS, the horn
will sound and the interior and exterior lamps will flash
during an alarm.
Passive Unlock
Press the OPTIONS button until PASSIVE UNLOCK
appears on the display, then use the RESET button to
page through the following selections:

PASSIVE UNLK DRIVER

PASSIVE UNLOCK BOTH
If you choose the PASSIVE UNLK DRIVER, only the
driver's door lock will be programmed to passively
unlock. The driver's door will passively unlock when
you approach the vehicle with the key fob transmitter
slider switch set to ON.
If you choose PASSIVE UNLOCK BOTH, the driver
and passenger's door locks will be programmed to
passively unlock. The driver and passenger doors will
passively unlock when you approach the vehicle with
the key fob transmitter slider switch set to ON.
See ªRemote Function Actuation (RFA) Systemº in the
Index for more information.