If there are two keys already working with the vehicle, this can be programmed with an easy to use customer programming procedure. This remote will work for your vehicle if your vehicle is equipped with factory keyless entry. Remote For Ford Mercury: Factory Remote with FCC ID CWTWB1U511. With Ford part number XF2T-15K601-AA, 3F2T-15K601-AA and 3F2Z-15K601-AA. This remote sends it's signals on a frequency of 315Mhz. This remote has 5 buttons, tested and guaranteed to work. Programming Procedure: 1. Insert the keys in the ignition and turn the ignition switch from OFF to RUN, up toeight times within ten seconds, ending in OFF. When the vehicle has successfullyentered programming mode, it will lock and then unlock all door locksautomatically.(Note: The RUN position is as far as you can turn the key without cranking the engine. If the doorlocks do not cycle indicating programming mode has been entered, try the procedure withoutdoing step 1 and having the driver door closed. If you still can?? get into programming mode aftertrying this numerous times both ways then you either do not have the factory keyless entry systemor it is not functioning properly. In many vehicles you should end in the RUN position and not theOFF position. If you have anti-theft deterrent then before doing this step you should open thedriver door and cycle the power door locks twice. This means you press LOCK, UNLOCK, LOCK,UNLOCK. Step ones says to turn from OFF to RUN up to eight times. If the locks cycle before eighttimes then move onto step 2 immediately. Do not continue cycling the ignition switch.)2. Within 15 seconds, press ANY button on a keyless entry remote transmitter. Thedoors will lock and then unlock to confirm that each keyless entry remotetransmitter has been activated.(Note: When the first keyless entry remote transmitter is programmed, all existing keyless entryremote transmitters are erased.)3. Repeat step 2 immediately for each transmitter that will operate the vehicleincluding your old ones (if any.)4. If the door locks do not respond for any keyless entry remote transmitter, wait 10seconds and press the button again.5. Turn the ignition switch to the OFF position or wait up to 30 seconds after step 2,to exit program mode. If a keyless entry remote transmitter has been activated, thevehicle may lock and unlock all doors one last time to confirm. The following vehicles can use this remote when equipped with the factory keyless entry system: Mercury Monterey (2004-2007), Ford Freestar (2004-2007), Ford Windstar (1999-2003)
