Originally Posted by tarmac terriost

take the key in to a dealer and they will read the key number for you it is done buy the depths of the cut on the brass bit ranging form 1-4 one is no cut and four is the deepest cut so can work it out that way,if the key is to worn will have to strip door lock down to get the number of the shims,if that is not possible do a vehicle lock set
the key will need to be programmed as it runs pats and will need two keys to do this
i know this as i work for ford in cornwall hope this helps !!!!