2005 Ford Five Hundred Owner's Manual - Page 78
2005 Ford Five Hundred Manual
Page 78 highlights
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. Note: Please refer to local regulations when disposing of transmitter batteries. 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. To reprogram the remote entry transmitters: 1. Ensure the vehicle is electronically unlocked. 78 2005 Five Hundred (500) Owners Guide (post-2002-fmt) USA (fus)