Locks and Security
8. Turn the ignition from the 1 (OFF) position to the 3 (ON) position.
Keep the ignition in the 3 (ON) position for at least three seconds but
not more than 10 seconds.
9. Remove the newly programmed coded key from the ignition.
If the key has been successfully programmed it will start the vehicle’s
engine and the theft indicator light will illuminate for three seconds and
then go out.
If the key was not successfully programmed, it will not start your
vehicle’s engine and the theft indicator light will flash on and off, and
you may repeat Steps 1 through 5. If failure repeats, bring your vehicle
to your dealer to have the new key(s) programmed.
To program additional new unprogrammed key(s), wait twenty seconds
and then repeat this procedure from Step 1.
PERIMETER ALARM SYSTEM (IF EQUIPPED)
The perimeter anti-theft system will warn you in the event of an
unauthorized entry to your vehicle.
If there is any potential perimeter anti-theft problem with your vehicle,
ensure ALL remote entry transmitters are taken to the dealership to
aid in troubleshooting.
ARMING THE SYSTEM
When unauthorized entry occurs, the system will flash the headlamps
and/or parking lamps, and will chirp the horn.
The system is ready to arm whenever the key is removed from the
ignition. Any of the following actions will prearm the alarm system:
• Open any door, liftgate or liftgate window and press the power door
lock control to lock the doors.
• Press the
on the remote transmitter (doors opened or closed).
When you press the lock control twice within three seconds on your
remote entry transmitter, the horn will chirp once to let you know that
all doors/hood/liftgate and liftgate window are closed. Note: If any of
these are not closed, the horn will chirp twice to warn you that a
door/hood/liftgate or liftgate window is still open.
• Press 7 • 8 and the 9 • 0 controls on the keyless entry pad at the
same time to lock the doors (driver’s door must be closed).
There is a 20 second countdown when any of the above actions occur
before the vehicle becomes ARMED.
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2003 Explorer (exp)
Owners Guide (post-2002-fmt)
USA English (fus)
English 