Page 1 of 240
Introduction 4
Instrument Cluster 10
Warning and control lights 10
Gauges 14
Entertainment Systems 18
AM/FM stereo with CD 18
AM/FM stereo with in-dash six CD 25
Climate Controls 33
Manual heating and air conditioning 33
Rear window defroster 34
Lights 35
Headlamps 35
Turn signal control 38
Bulb replacement 38
Driver Controls 43
Windshield wiper/washer control 43
Steering wheel adjustment 44
Power windows 45
Mirrors 46
Speed control 46
Locks and Security 54
Keys 54
Locks 54
Anti-theft system 57
2004 Mustang(mus)
Owners Guide (post-2002-fmt)
USA English(fus)
Table of Contents
1
Page 13 of 240

Overdrive off:
Illuminates when the
overdrive function of
the transmission has been turned off, refer to the
Drivingchapter. If the light flashes steadily or does
not illuminate, have the transmission serviced soon,
or damage may occur.
Traction Control
active:Illuminates
when the Traction
Controlsystem is
active. If the light
remains on, have the system serviced immediately.
Anti-theft system:
Flashes when the
SecurilockPassive
Anti-theft System has been activated.
Turn signal:
Illuminates when the
left or right turn signal
or the hazard lights are turned on. If the indicators
stay on or flash faster, check for a burned out bulb.
High beams:
Illuminates when the
high beam headlamps
are turned on.
Key-in-ignition warning chime:Sounds when the
key is left in the ignition in the OFF/LOCK or ACC
position and the driver’s door is opened.
Headlamps on warning chime:Sounds when the
headlamps or parking lamps are on, the ignition is
off (the key is not in the ignition) and the driver’s
door is opened.O/D
OFF
2004 Mustang(mus)
Owners Guide (post-2002-fmt)
USA English(fus)
Instrument Cluster
13
Page 51 of 240

To lower the convertible top:
1. Bring vehicle to a complete stop. Engage the
parking brake. Key must be in the ON position.
2. Check the convertible top stowage compartment
behind the rear seat to be sure it is empty and ready
to receive the top.
3. Unclamp the top from the windshield header at
both the right and left sides by pulling each clamp
rearward until the hook in the windshield header is
free. The clamps are flush with the header when in
the closed position.
4. Close the windshield header clamps immediately
after disengagement, to avoid cutting the top
material and to permit installation of the vinyl boot.
5. If the top has not
been lowered for some
time and sticks to the
windshield header,
push the front of the
top up slightly with
your hand to loosen it.
6. Push the convertible
top switch on the
console in front of the
armrest and hold until
the top is completely
stored.
7. Disengage the
parking brake.
Installation of the boot (if equipped)
1. Push boot rearward
and engage boot under
the body molding at
the rear and sides.
SETPARKBRAKE
2004 Mustang(mus)
Owners Guide (post-2002-fmt)
USA English(fus)
Driver Controls
51
Page 52 of 240
2. Fasten boot to
quarter trim panel with
snap or pivot latch on
both sides of the
vehicle.
3. Insert boot tongue
into groove located on
rear of seat.
4. To remove, unfasten
the snaps or pivot
latches and the boot
tongue.
5. Pull forward and lift
off.
Raising the convertible top
The convertible topwill not operateunless the
parking brake is engaged. Do not raise the top while
the vehicle is moving because the top may be
severely damaged.
To raise the convertible top:
1. Bring the vehicle to a complete stop. Engage the
parking brake. Key must be in the ON position.
2. Remove the boot cover and store it in the luggage
compartment.
3. Lower the front and rear side windows.
4. Push the convertible top button, holding it until
the top unfolds and moves forward toward the
windshield header.
2004 Mustang(mus)
Owners Guide (post-2002-fmt)
USA English(fus)
Driver Controls
52
Page 54 of 240
KEYS
The key operates all locks on your vehicle. In case of
loss, replacement keys are available from your
dealer.
You should always carry a second key with you in a
safe place in case you require it in an emergency.
Refer toSecuriLockPassive Anti-Theft System
for more information.
POWER DOOR LOCKS
Press U to unlock all
doors and L to lock all
doors.
INTERIOR LUGGAGE COMPARTMENT
RELEASE
Your vehicle is equipped with a mechanical interior
luggage compartment release handle that provides a
means of escape for children and adults in the event
they become locked inside the luggage
compartment.
Adults are advised to familiarize themselves with the
operation and location of the release handle.
UL
2004 Mustang(mus)
Owners Guide (post-2002-fmt)
USA English(fus)
Locks and Security
54
Page 55 of 240
To open the luggage
compartment door (lid)
from within the
luggage compartment,
pull the illuminated“T”
shaped handle and
push up on the trunk
lid. The handle is
composed of a material
that will glow for hours
in darkness following
brief exposure to
ambient light.
The“T”shaped handle will be located either on the
luggage compartment door (lid) or inside the
luggage compartment near the tail lamps.
Keep vehicle
doors and
luggage compartment
locked and keep keys
and remote
transmitters out of a
child’s reach.
Unsupervised
children could lock
themselves in the
trunk and risk injury.
Children should be
taught not to play in
vehicles.
2004 Mustang(mus)
Owners Guide (post-2002-fmt)
USA English(fus)
Locks and Security
55
Page 56 of 240

On hot days, the temperature in the trunk
or vehicle interior can rise very quickly.
Exposure of people or animals to these high
temperatures for even a short time can cause
death or serious heat-related injuries, including
brain damage. Small children are particularly at
risk.
REMOTE ENTRY SYSTEM
This device complies with part 15 of the FCC rules
and with RS-210 of Industry Canada. Operation is
subject to the following two conditions: (1) This
device may not cause harmful interference, and (2)
This device must accept any interference received,
including interference that may cause undesired
operation.
Changes or modifications not expressly
approved by the party responsible for
compliance could void the user’s authority to
operate the equipment.
Your vehicle is equipped with a remote entry system
which allows you to:
•unlock the vehicle
doors without a key.
•lock all the vehicle
doors without a key.
•activate the personal
alarm.
•release the decklid.
These features will not operate when the ignition is
in the RUN or START position.
If there is any potential remote keyless entry
problem with your vehicle, ensureALL remote
entry transmittersare taken to the dealership, to
aid in troubleshooting.
2004 Mustang(mus)
Owners Guide (post-2002-fmt)
USA English(fus)
Locks and Security
56
Page 58 of 240

typical operating range for your remote entry
transmitter is approximately 10 meters (33 feet). A
decrease in the operating range could be caused by:
•weather conditions,
•nearby radio towers,
•structures around the vehicle and
•other vehicles parked next to the vehicle.
To replace the battery:
1. Twist a thin coin
between the two halves
of the remote entry
transmitter near the
key ring. DO NOT
TAKE THE RUBBER
COVER AND CIRCUIT
BOARD OFF THE FRONT HOUSING OF THE
REMOTE ENTRY TRANSMITTER.
2. Do not wipe off any
grease on the battery
terminals on the back
surface of the circuit
board.
3. Remove the old battery.
4. Insert the new battery. Refer to the diagram
inside the remote entry transmitter for the correct
orientation of the battery. Press the battery down to
ensure that the battery is fully seated in the battery
housing cavity.
5. Snap the two halves back together.
Note:Replacement of the battery willnotcause the
remote transmitter to become deprogrammed from
your vehicle. The remote transmitter should operate
normally after battery replacement.
Replacing lost remote entry transmitters
If you would like to have your remote entry
transmitter reprogrammed because you lost one, or
2004 Mustang(mus)
Owners Guide (post-2002-fmt)
USA English(fus)
Locks and Security
58