2004 PONTIAC GTO ECU

Remote Trunk Release
This feature is used to unlock the trunk from inside the
vehicle.
Push the button in the glovebox to unlock the trunk,
provided you are not traveling over 12 mph (20 km/h) or
the alarm system is on. Then from the outside, lift up
the trunk. For added vehicle security, the glovebox
button is disabled when all the doors are locked with the
LOCK button on the key or through the door lock.There is also a secondary trunk release handle located
under the passenger’s side rear seat head restraint.
To access this handle, when the vehicle is not moving,
lift the head restraint and pull the yellow ring towards
the front of the vehicle.
2-9

Emergency Trunk Release Handle
Notice:Using the emergency trunk release handle
as a tie-down or anchor point when securing
items in the trunk may damage it. Use the
emergency trunk release handle only to help you
open the trunk lid.
There is a glow-in-the-dark emergency trunk release
handle located inside the trunk on the trunk lid.
This handle will glow following exposure to light. Pull the
release handle to open the trunk from the inside.
Windows
{CAUTION:
Leaving children, helpless adults, or pets in a
vehicle with the windows closed is dangerous.
They can be overcome by the extreme heat
and suffer permanent injuries or even death
from heat stroke. Never leave a child, a
helpless adult, or a pet alone in a vehicle,
especially with the windows closed in warm or
hot weather.
2-10

Immobilizer Operation
Your vehicle may have a passive theft-deterrent system.
The system is an electronic engine immobilizer, which
disables the car, when the key is removed from the
ignition.
The system works when you turn the key to ON. The
key uses a transponder that matches an immobilizer
control unit in your vehicle. The correct key will start
the vehicle.
Your vehicle has a special key that works with the
theft-deterrent system. There is a transponder in the key
head. If the key is ever damaged, you may not be
able to start your vehicle.
When trying to start the vehicle, if the engine does not
start and the security light comes on, the key may
have a damaged transponder. Turn the ignition off and
try again.If the engine still does not start, and the key appears to
be undamaged, try another ignition key. At this time,
you may also want to check the fuse. SeeFuses
and Circuit Breakers on page 5-87for more information
on fuses. If the engine still does not start with the
other key, your vehicle needs service. If your vehicle
does start, the first key may be faulty. See your dealer
who can service the theft-deterrent system to have
a new key made.
If you are ever driving and the security light comes on
and stays on, you will be able to restart your engine
if you turn it off. The theft-deterrent system, however, is
not working properly and must be serviced by your
dealer. Your vehicle is not protected by the
theft-deterrent system at this time.
In an emergency, contact Roadside Assistance. See
Roadside Assistance Program on page 7-5.
2-13

Outside Convex Mirror
Your passenger’s side mirror is convex. A convex
mirror’s surface is curved so you can see more from the
driver’s seat.
{CAUTION:
A convex mirror can make things (like other
vehicles) look farther away than they really are.
If you cut too sharply into the right lane, you
could hit a vehicle on your right. Check your
inside mirror or glance over your shoulder
before changing lanes.
Storage Areas
Glove Box
A glovebox is provided on the passenger side of the
instrument panel.
A specific key is provided solely to lock and unlock the
glovebox. For security, the master key is designed
not to operate the glovebox lock. SeeKeys on page 2-2.
To lock, insert the glovebox key, turn clockwise and
then withdraw. To unlock, insert the glovebox key and
turn counterclockwise.
To open, pull the handle to the left and pull the glove
box door down until it stops and is fully open.
2-30

Instrument Panel Overview...............................3-2
Hazard Warning Flashers................................3-4
Other Warning Devices...................................3-4
Horn.............................................................3-4
Tilt Wheel.....................................................3-5
Turn Signal/Multifunction Lever.........................3-5
Exterior Lamps.............................................3-12
Interior Lamps..............................................3-15
Accessory Power Outlets...............................3-17
Ashtrays and Cigarette Lighter........................3-18
Climate Controls............................................3-19
Climate Control System.................................3-19
Outlet Adjustment.........................................3-22
Warning Lights, Gages, and Indicators............3-23
Instrument Panel Cluster................................3-24
Speedometer...............................................3-25
Tachometer.................................................3-25
Safety Belt Reminder Light.............................3-25
Air Bag Readiness Light................................3-26
Charging System Light..................................3-27
Brake System Warning Light..........................3-27Anti-Lock Brake System Warning Light.............3-28
Engine Coolant Temperature Gage..................3-28
Malfunction Indicator Lamp.............................3-29
Oil Pressure Light.........................................3-32
Change Engine Oil Light................................3-33
Security Light...............................................3-33
Fog Lamp Light............................................3-33
Highbeam On Light.......................................3-33
Daytime Running Lamps Indicator Light...........3-34
Service Vehicle Soon Light............................3-34
Fuel Gage...................................................3-35
Trip Computer................................................3-36
Audio System(s).............................................3-42
Setting the Time...........................................3-42
Radio with Six-Disc CD.................................3-43
Theft-Deterrent Feature..................................3-52
Audio Steering Wheel Controls.......................3-53
Radio Reception...........................................3-54
Care of Your CDs.........................................3-54
Care of Your CD Player................................3-54
Backglass Antenna.......................................3-55
Section 3 Instrument Panel
3-1

The main components of the instrument panel are the following:
A. Side Outlets. SeeOutlet Adjustment on page 3-22.
B. Headlamps Dial. SeeExterior Lamps on page 3-12.
C. Instrument Panel Cluster. SeeInstrument Panel
Cluster on page 3-24.
D. Windshield Wiper Lever. See “Windshield Wipers”
underTurn Signal/Multifunction Lever on page 3-5.
E. Trip Computer Control. SeeTrip Computer on
page 3-36.
F. Outlets. SeeOutlet Adjustment on page 3-22.
G. Hazard Warning Lights. SeeHazard Warning
Flashers on page 3-4.
H. Sunlight Sensor. See “Automatic Headlamp System”
underExterior Lamps on page 3-12.
I. Climate Controls. SeeClimate Control System on
page 3-19.
J. Audio System Controls. SeeAudio System(s) on
page 3-42.
K. Passenger’s Air Bag. SeeWhere Are the Air Bags?
on page 1-48.L. Cruise Control Lever. See “Cruise Control” under
Turn Signal/Multifunction Lever on page 3-5.
M. Audio Steering Wheel Controls. SeeAudio Steering
Wheel Controls on page 3-53.
N. Driver’s Air Bag. SeeWhere Are the Air Bags? on
page 1-48.
O. Tilt Wheel. SeeTilt Wheel on page 3-5.
P. Horn. SeeHorn on page 3-4.
Q. Ignition Switch. SeeIgnition Positions on page 2-16.
R. Shift Lever. SeeShifting Into Park (P) on page 2-24.
S. Cupholders. SeeCupholder(s) on page 2-31.
T. Power Window Switches. SeePower Windows on
page 2-11.
U. Parking Brake. SeeParking Brake on page 2-23.
V. Glovebox. SeeGlove Box on page 2-30.
3-3

Fog Lamps
The dial to the left of the steering wheel on the
instrument panel also controls the fog lamps.
-(Fog Lamp):When using the fog lamps, the
ignition must be on as well as the parking lamps or the
low-beam headlamps. If the high-beam headlamps
are activated or flashed, the fog lamps will turn off.
Pull the exterior lamp adjuster dial out to turn the fog
lamps on, and push the dial in to turn the fog lamps off.
The indicator light in the knob will come on when the
fog lamps are working.
Headlamps and Dimming Instructions
When the headlamps are switched on, the instrument
panel is automatically illuminated. Once illuminated, you
can adjust their brightness. Some illuminated areas
of the vehicle have been linked to the brightness control,
such as the trip computer, headlamp switch, radio,
etc. This means that the interior lights can be adjusted
to your preference. When the headlamps are turned
off and back on again, the brightness level reverts to the
last adjusted setting. SeeInterior Lamps on page 3-15
for more information.
Headlamps On When Approaching the
Vehicle
Your vehicle is designed to provide additional security,
when returning to the vehicle at night. When the
UNLOCK or LOCK button on the key is used, the car’s
exterior lights will come on for a preset time or until
the car is relocked. This feature only works if the
headlamp control is in the AUTO or headlamp positions.
To set or adjust the time the headlamps stay on after
the UNLOCK button has been pressed, seeVehicle
Personalization on page 2-32.
3-14

Change Engine Oil Light
If the Service Engine Oil
message in the trip
computer is displayed
along with this symbol after
you start the engine, it
means that service
is required for your vehicle.
SeeScheduled Maintenance on page 6-4andEngine
Oil on page 5-13for more information.
Security Light
This light flashes when the
vehicle security system is
activated.
Fog Lamp Light
This light will come on
when the fog lamps are
in use.
The light will go out when the fog lamps are turned off.
SeeExterior Lamps on page 3-12for more information.
Highbeam On Light
This light will illuminate
when the headlamp high
beams are in use.
SeeTurn Signal/Multifunction Lever on page 3-5.
3-33