Transponder keys "on site" for cars and trucks (even though the dealers say they are the only ones that can do them). We use the same computers.
Examples:
Ford
Mercury
Lincoln
Chevrolet
Buick
Oldsmobile
Cadillac
GMC
Pontiac
Saturn
Geo
Chrysler
Dodge
Plymouth
Jeep
Toyota
Lexus
Nissan
Infiniti
Honda
Mazda
Mitsubishi
Audi
Volkswagen
A Transponder key is an immobilizer key- immobilizing the vehicle from starting - utilizing a high tech fuse by means of turning the fuel pump off.