Key Programming Car Keys Most dealerships and brick and mortar locksmiths have tools that can assist you in programming replacement keys or restore immobilizer data. These tools are usually bidirectional OBD-II devices. Insert a blank, new key and then turn the ignition to the "on" position, without starting the vehicle. https://autolocksmiths66500.actoblog.com/29840050/what-car-key-reprogramming-could-be-your-next-big-obsession