You will need to (obviously) get a minimum of two new keys. The PATS system will need to be accessed with a FORD IDS to get past the security screen and then erase all programmed keys which will allow the two new keys to be programmed. I mentioned the Ford scan tool specifically because I do knot know of any non-OEM scan tools that will preform this function or if there are, which ones. I am sure someone who knows if there are, they will chime in. Do not pay more than one hour labor.