SPAL Anti Car-Jack system is a new security device to help prevent being hi-jacked in your vehicle or your vehicle being stolen even if the theif has stolen your keys. SPAL ACJ will recognise the authorised driver by their Personal ID cards which they carry about their person, if the vehicle is driven without the cards then the vehicle will immobilise, sound a siren and can activate a satellite tracking system. This kit comprises of ACJ module, manual overide key, wiring harness, buzzer and 2 personal ID cards.