CODE SAFE keypad engine immobilisers are a new generation anti-theft device that is user friendly and gives you peace of mind when leaving your vehicle unattended. CODE SAFE is an unobtrusive electronic anti-theft device that, when installed, looks like part of the original vehicle. CODE SAFE prevents unauthorised drivers from starting the car even with the original key or key fob. CODE SAFE is a personal 4-5 digit keypad with your unique code to start the vehicle.