It is separate from the lock so easy to change 3 screw in the door jam, but there is plenty of spare plates to build a lock to the key if needed.

As for the key does the remote key work ? Does it trigger in learning mode at all ? Key shop in Longton have a programmer so he would be able to see if it's transmitting or it just needs a battery possibly cheaper than changing half the pats system.

The central locking solonoids look to be Mondeo fitment havent been to Tim at mcguiness for a while but they had a few last time up.