2004 CHEVROLET CORVETTE ECU

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. Turn 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.
Convertible Top
If your vehicle has this feature, the following procedures
explain the proper operation of the convertible top.
Notice:Some automatic car washes may cause
damage to your vehicle. To avoid possible damage,
use touchless automatic car washes.
For care and cleaning of the convertible top, see
“Cleaning Your Convertible Top” underCleaning the
Outside of Your Vehicle on page 5-85.
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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. Turn the latches outward to secure the top in the up
position.
2-56

Instrument Panel Overview...............................3-2
Hazard Warning Flashers................................3-4
Other Warning Devices...................................3-5
Horn.............................................................3-5
Tilt Wheel.....................................................3-5
Turn Signal/Multifunction Lever.........................3-6
Exterior Lamps.............................................3-13
Interior Lamps..............................................3-17
Head-Up Display (HUD).................................3-18
Accessory Power Outlets...............................3-22
Ashtrays and Cigarette Lighter........................3-23
Climate Controls............................................3-23
Dual Automatic Climate
Control System.........................................3-23
Outlet Adjustment.........................................3-31
Warning Lights, Gages, and Indicators............3-32
Instrument Panel Cluster................................3-33
Speedometer and Odometer...........................3-34
Tachometer.................................................3-34
Safety Belt Reminder Light.............................3-34
Air Bag Readiness Light................................3-35
Air Bag Off Light..........................................3-36
Voltmeter Gage............................................3-37
Brake System Warning Light..........................3-38
Anti-Lock Brake System Warning Light.............3-39
Traction Control System (TCS) Warning Light . . .3-39Active Handling System Light.........................3-40
Engine Coolant Temperature Gage..................3-41
Malfunction Indicator Lamp.............................3-41
Engine Oil Pressure Gage.............................3-44
Security Light...............................................3-45
Check Gages Warning Light...........................3-46
Fuel Gage...................................................3-46
Driver Information Center (DIC).......................3-48
DIC Controls and Displays.............................3-49
DIC Warnings and Messages.........................3-58
Other Messages...........................................3-68
Audio System(s).............................................3-69
Setting the Time...........................................3-69
Radio with Cassette......................................3-70
Radio with CD..............................................3-76
Trunk-Mounted CD Changer...........................3-81
Theft-Deterrent Feature..................................3-86
Radio Reception...........................................3-88
Care of Your Cassette Tape Player.................3-88
Care of Your CDs.........................................3-89
Care of Your CD Player................................3-89
Fixed Mast Antenna (Z06)..............................3-89
Power Antenna Mast Care (Convertible)...........3-90
Integrated Windshield and Rear Window
Antennas (Coupe).....................................3-90
Section 3 Instrument Panel
3-1

The main components of your instrument panel are the following:
A. Instrument Panel Brightness Control. See
“Instrument Panel Brightness” underInterior Lamps
on page 3-17.
B. Head-Up Display Controls. SeeHead-Up Display
(HUD) on page 3-18.
C. Turn Signal/Multifunction Lever. SeeTurn
Signal/Multifunction Lever on page 3-6.
D. Driver Information Center (DIC). SeeDriver
Information Center (DIC) on page 3-48.
E. Instrument Panel Cluster. SeeInstrument Panel
Cluster on page 3-33.
F. Windshield Wiper/Washer Lever. See “Windshield
Wipers” underTurn Signal/Multifunction Lever
on page 3-6.
G. Driver Information Center (DIC) Controls. SeeDriver
Information Center (DIC) on page 3-48.
H. Hazard Warning Flasher Button. SeeHazard
Warning Flashers on page 3-4.
I. Center Air Outlets. SeeOutlet Adjustment on
page 3-31.
J. Audio System. SeeAudio System(s) on page 3-69.
K. Climate Controls. SeeDual Automatic Climate
Control System on page 3-23.
L. Fog Lamp Button. See “Fog Lamps” underExterior
Lamps on page 3-13.
M. Hatch/Trunk Release Button. See “Hatch/Trunk Lid
Release” underHatch/Trunk on page 2-11.N. Ignition Switch. SeeIgnition Positions on page 2-20.
O. Shift Lever (Automatic Shown). SeeAutomatic
Transmission Operation on page 2-25orManual
Transmission Operation on page 2-28.
P. Active Handling Button. SeeActive Handling System
on page 4-10.
Q. Accessory Power Outlet. SeeAccessory Power
Outlets on page 3-22.
R. Selective Ride Control Switch. SeeSelective Ride
Control on page 4-12.
S. Air Bag Off Light. SeeAir Bag Off Light on
page 3-36.
T. Instrument Panel Cupholder. SeeCupholder(s) on
page 2-40.
U. Fuel Door Release Button. SeeFilling Your Tank on
page 5-7.
V. Ashtray and Cigarette Lighter. SeeAshtrays and
Cigarette Lighter on page 3-23.
W. Parking Brake. SeeParking Brake on page 2-31.
X. Glove Box. SeeGlove Box on page 2-40.
Y. Instrument Panel Fuse Block. See “Instrument Panel
Fuse Block” underFuses and Circuit Breakers on
page 5-93.
Z. Air Bag Off Switch. SeeAir Bag Off Switch on
page 1-46.
3-3

{CAUTION:
If the air bag readiness light ever comes on
when you have turned off the air bag, it means
that something may be wrong with the air bag
system. The passenger’s air bag could inate
even though the switch is off. If this ever
happens, don’t let anyone whom the national
government has identied as a member of a
passenger air bag risk group sit in the
passenger’s position (for example, don’t
secure a rear-facing child restraint in your
vehicle) until you have your vehicle serviced.
See “Air Bag Off Switch” in the Index.
Voltmeter Gage
When the key is in ON
with the engine not
running, the voltmeter
shows the voltage output
of your battery. When
the engine is running, it
shows the voltage
output of the
charging system.
The reading will change as the rate of charge changes
(with engine speed, for example), but if the voltmeter
reads at 9 volts or below, your instrument panel cluster
and other systems may shut down. The Driver
Information Center (DIC) will read LOW VOLTAGE
when your vehicle is at 10 volts or below. Have
it checked right away. Driving with the voltmeter reading
at 10 volts or below could drain your battery and
disable your vehicle.
3-37

The engine oil pressure can also be displayed using the
GAGES button on the Driver Information Center (DIC).
SeeDriver Information Center (DIC) on page 3-48.
{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.
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.
SeeTheft-Deterrent System on page 2-16and
PASS-Key
®on page 2-18.
3-45

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

Lock and Arm
Press the OPTIONS button until LOCK & ARM appears
on the display, then use the RESET button to page
through the following selections:
•LOCK & ARM – OFF
•LOCK & ARM – HORN ONLY
•LOCK & ARM – LIGHTS ONLY
•LOCK & ARM – HORN & LIGHTS
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.
Approach Lights
Press the OPTIONS button until APPROACH LIGHTS
appears on the display, then use the RESET button
to page through the following choices:
•APPROACH LIGHTS ON
•APPROACH LIGHTS OFF
If you choose APPROACH LIGHTS ON, the fog lamps,
front turn signal, rear back-up and courtesy lamps
will come on for 30 seconds when you press UNLOCK
on the remote keyless entry transmitter. This will
occur only when it is dark outside.
APPROACH LIGHTS OFF turns off this option.
SeeRemote Keyless Entry System on page 2-5for
more information.
3-55