Ford, Lincoln, & Mercury Car Remote Shell with 4 Buttons. One brand new, Car Keys Express replacement car remote case. There are no electronics included. You can simply replace the old case on your old remote. Just take the insides out andput them in this shell. Do not pay the dealer $250 for another remote if your case just worn out or broken! This remotecase is for remotes with 4 buttons: LOCK, UNLOCK, TRUNK, and PANIC. Works on select FORD, LINCOLN, and MERCURY vehicles; Check vehicle compatibility before purchasing.