Page 2 of 280
Locks and Security 65
Keys 65
Locks 65
Anti-theft system 67
Seating and Safety Restraints 72
Seating 72
Safety restraints 77
Air bags 90
Child restraints 99
Driving 110
Starting 110
Brakes 115
Transmission operation 118
Trailer towing 146
Roadside Emergencies 174
Getting roadside assistance 174
Hazard flasher switch 175
Fuel pump shut-off switch 175
Fuses and relays 176
Changing tires 181
Jump starting 192
Wrecker towing 197
Customer Assistance 199
Reporting safety defects (U.S. only) 207
Cleaning 208
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Table of Contents
2
Page 15 of 280
Four wheel drive indicator
(if equipped):Illuminates when
four-wheel drive is engaged.
Door ajar:Illuminates when the
ignition is in the ON position and
any door is open.
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.
Parking brake ON warning chime:Sounds when the parking brake
is set, the engine is running and the vehicle is driven more than
5 Km (3 mph).
GAUGES4x4
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Instrument Cluster
15
Page 64 of 280
TAILGATE LOCK (IF EQUIPPED)
Your vehicle may be equipped with a
tailgate lock designed to prevent
theft of the tailgate.
•Insert ignition key and turn to the
right to engage lock.
•Turn ignition key to the left to
unlock.
Tailgate removal
Your tailgate is removable to allow
more room for loading.
1. Lower the tailgate.
2. Use a screwdriver to pry the
spring clip (on each connector) past
the head of the support screw.
Disconnect cable.
3. Disconnect the other cable.
4. Lift tailgate to a 45 degree angle.
5. Lift right side off of its hinge.
6. Lift left side off of its hinge.
To install, follow the removal procedures in reverse order.
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Driver Controls
64
Page 65 of 280

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.
POWER DOOR LOCKS (IF EQUIPPED)
Press control to unlock all doors.
Press control to lock all doors.
Smart locks (if equipped)
This feature prevents you from locking yourself out of the vehicle if your
key is still in the ignition.
When you open the driver’s door and you lock the vehicle with the
power door locks, all the doors will lock, then the driver’s door will
automatically unlock reminding you that your key is still in the ignition.
The vehicle can still be locked, with the key in the ignition, using the
manual lock button on the door, locking the driver’s door with a key, or
using the lock button on the remote entry transmitter (if equipped).
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Locks and Security
Locks and Security
65
Page 67 of 280

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.
If there is any potential remote keyless entry problem with your vehicle,
ensureALL remote entry transmittersare taken to the dealership, to
aid in troubleshooting.
Unlocking the doors
1. Pressand release to unlock the driver’s door.Note:The interior
lamps will illuminate.
2. Press
and release again within three seconds to unlock all the
doors.
Locking the doors
1. Pressand release to lock all the doors. The parking lamps will flash
if all the doors are closed and locked.
2. Press
and release again within three seconds to confirm that all the
doors are closed and locked.Note:The doors will lock again, the horn
will chirp once, and the parking lamps will flash once more.
If any of the doors are not properly closed the horn will make two quick
chirps.
Power door lock disable feature (if equipped)
The UNLOCK
feature on your power door locks will not work from
inside the vehicle when:
•the ignition has been turned to the OFF position, and
•20 seconds elapse after all vehicle doors are closed and locked using
the remote entry transmitter, or the power door lock control (while
the accompanying door is open).
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Locks and Security
67
Page 68 of 280

The UNLOCKfeature will work again after:
•a door has become ajar,
•the ignition is turned to the ON position,
•or using the UNLOCK
control on your remote entry transmitter (if
equipped).
This feature is initially deactivated, but may be activated by taking your
vehicle to an authorized Ford dealer.
Sounding a panic alarm
Press
to activate the alarm. Press again or turn the ignition to ACC
or ON to deactivate.
Note:The panic alarm will only operate when the ignition is in the OFF
position.
Replacing the battery
The remote entry transmitter uses one coin type three-volt lithium
battery CR2032 or equivalent. The 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.
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Locks and Security
68
Page 70 of 280

To reprogram the remote entry
transmitters:
1. Ensure the vehicle is
electronically unlocked.
2. Put the key in the ignition.
3. Turn the key from the 2 (LOCK)
position to 3 (OFF).
4. Cycle eight times rapidly (within
10 seconds) between the 3 (OFF)
position and 4 (ON).Note:The
eighth turn must end in the 4 (ON) position.
5. The doors will lock, then unlock, to confirm that the programming
mode has been activated.
6. Within 20 seconds press any button on the remote entry transmitter.
Note:If more than 20 seconds have passed you will need to start the
procedure over again.
7. The doors will lock, then unlock, to confirm that this remote entry
transmitter has been programmed.
8. Repeat Step 6 to program each additional remote entry transmitter.
9. Turn the ignition to the 3 (OFF) position after you have finished
programming all of the remote entry transmitters.Note:After 20
seconds, you will automatically exit the programming mode.
10. The doors will lock, then unlock, to confirm that the programming
mode has been exited.
Illuminated entry
The interior lamps illuminate when the remote entry system is used to
unlock the door(s).
The illuminated entry system will turn off the interior lights if:
•the ignition switch is turned to the ON position, or
•the remote transmitter lock control is pressed, or
•after 25 seconds of illumination.
The dome lamp control (if equipped) mustnotbe set to the OFF
position for the illuminated entry system to operate.
The inside lights will not turn off if:
•they have been turned on with the dimmer control, or
•any door is open.
3
2
1
5
4
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Locks and Security
70
Page 71 of 280

The battery saver will shut off the interior lamps 30 minutes after the
ignition has been turned to the OFF position, 10 minutes after if the dome
lamp is off, and 30 minutes after if the dome lamp switch is left on.
Autolock (if equipped)
This feature automatically locks all vehicle doors when the following
conditions are met:
•the ignition is in the ON position,
•all doors are closed,
•the brake is pressed before reaching 8 km/h (5 mph) and
•the vehicle is traveling more than 8 km/h (5 mph).
Relock
The autolock feature repeats when the following conditions are met:
•the vehicle’s speed is less than 8 km/h (5 mph), and
•any door is opened then closed while the ignition is in the RUN
position, and
•the brake is pressed before reaching 8 km/h (5 mph), and
•the vehicle is traveling more than 8 km/h (5 mph).
Deactivating/activating the autolock feature
Before following the procedure, make sure that the ignition is OFF and
all vehicle doors are closed.
You must complete steps 1-7 within 30 seconds or the procedure will
have to be repeated. If the procedure needs to be repeated, you must
wait 30 seconds.
1. Turn the ignition key to ON.
2. Press the power door unlock control three times.
3. Turn the ignition key from ON to OFF.
4. Press the power door unlock control three times.
5. Turn the ignition back to ON. The horn will chirp.
6. Press the unlock control, then press the lock control. The horn will
chirp once if autolock was deactivated or twice (one short and one long
chirp) if autolock was activated.Note:Pressing the power door
lock/unlock control again will toggle between activating and deactivating
the autolock feature.
7. Turn the ignition to OFF. The horn will chirp once to confirm the
procedure is complete.
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Locks and Security
71