2005 Mercury Mountaineer Owner Guide 3rd Printing - Page 97

Locks and Security 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. To reprogram the remote entry 3 transmitters: 2 4 1 1. Ensure the vehicle is electronically unlocked. 2. Put the key in the ignition. 3. Turn the key from the 1 (OFF/LOCK) position to 3 (ON). 4. Cycle eight times rapidly (within 10 seconds) between the 1 (OFF/LOCK) 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. 97 2005 Mountaineer (mnt) Owners Guide (post-2002-fmt) USA (fus)