Replacing Lost Remote Entry Transmitters; How To Reprogram Your Remote Entry Transmitters - Ford 2004 Excursion Owner's Manual

Locks and Security
2. Do not wipe off any grease on the
battery terminals on the back
surface of the circuit board.
3. Remove the old battery.
4. Insert the new battery. Refer to the diagram inside the remote entry
transmitter 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 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.
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2004 U137 Excursion (hdw)
Owners Guide (post-2002-fmt)
USA English (fus)