FORD 2008 Focus v.3 - Manual (Page 70)

5. Snap the two halves back together.
Note: Replacement of the battery will not cause 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 would like to buy additional remote entry
transmitters, you can either reprogram them yourself, or take all
remote entry transmitters to your authorized dealer for
reprogramming.
How to reprogram your remote entry transmitters
You must have all remote entry transmitters (maximum of four)
available before beginning this procedure. If all remote entry transmitters
are not present during the programming procedure, the transmitters that
are not present during programming will no longer operate the vehicle.
Note: Ensure the brake pedal is not depressed during this sequence.
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 1 (off)
position to 3 (on).
4. Cycle eight times rapidly (within
10 seconds) between the 1 (off)
position and 3 (on).
Note: The eighth turn must end in
the 3 (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.
2008 Focus (foc)
Owners Guide
USA (fus)
Locks and Security
70