Ford F-250 Owner's Manual page 143

Integrated keyhead transmitter (IKT)
To replace the battery:
1. Twist a thin coin in the slot near
the key ring to remove the battery
cover (1).
Note: Do not wipe off any grease on
the battery terminals on the back
surface of the circuit board.
2. Carefully peel up the rubber
gasket (2) from the transmitter if it
does not come off with battery cover.
3. Remove the old battery (3).
Note: Please refer to local regulations when disposing of transmitter
batteries.
4. Insert the new battery. Refer to the instructions inside the IKT 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 battery cover back onto the key.
Note: Replacement of the battery will not cause the IKT or IA key to
become de-programmed from your vehicle. They should operate normally
after battery replacement.
Replacing lost Integrated Keyhead Transmitters (IKTs)
If you would like to have your Integrated Keyhead Transmitters
reprogrammed because you lost one, or would like to buy additional
IKTs, you can either reprogram them yourself, or take all IKTs to your
authorized dealer for reprogramming.
How to reprogram your Integrated Keyhead Transmitters (IKTs)
To program a new Integrated Keyhead Transmitter yourself, refer to
Programming spare keys in the SecuriLock passive anti-theft system
section of this chapter. Note: At least two IKTs are required to perform
this procedure yourself.
Illuminated entry
The interior lamps and parking lamps illuminate when the remote entry
system is used to unlock the door(s).
The illuminated entry system will turn off the lights if:
• the ignition switch is turned to the on position, or
2011 F-250/350/450/550 (f23)
Owners Guide, 3rd Printing
USA (fus)
Locks and Security
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2
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