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1. Insert the first previously
programmed coded key into the
ignition and turn the ignition from
the 1 (off) position to the 3 (on)
position (maintain ignition in the 3
(on) position for at least one
second, but no more than
10 seconds).
2. Turn ignition from the 3 (on)
position back to the 1 (off) position
in order to remove the first coded
key from the ignition.
3. After three seconds but within 10 seconds of removing the first coded
key, insert the second previously programmed coded key into the
ignition and turn the ignition from the 1 (off) position to the 3 (on)
position (maintain ignition in the 3 (on) position for at least one second
but no more than 10 seconds).
4. Turn the ignition from the 3 (on) position back to the 1 (off) position
in order to remove the second coded key from the ignition.
5. After three seconds but within 10 seconds of removing the second
coded key, insert the new unprogrammed key (new key/valet key) into
the ignition and turn the ignition from the 1 (off) position to the 3 (on)
position (maintain ignition in the 3 (on) position for at least one second,
but no more than 10 seconds). This step will program your new key to a
coded key.
6. To program additional new unprogrammed key(s), repeat Steps 1
through 5.
If successful, the new coded key(s) will start the vehicle’s engine and the
theft indicator will illuminate for three seconds and then go out.
If not successful, the new coded key(s) will not start the vehicle’s engine
and the theft indicator will flash on and off and you may repeat Steps 1
through 5. If failure repeats, bring your vehicle to your authorized dealer
to have the new spare key(s) programmed.
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 authorized
dealer to aid in troubleshooting.
Locks and Security
148
2011 F-250/350/450/550 (f23)
Owners Guide, 1st Printing
USA (fus)