Key Programming Car Keys Most dealerships and brick and mortar locksmiths have tools to assist you in programming replacement keys or restore information from the immobilizer. These tools are usually bidirectional OBD-II devices. Insert a new, blank key and turn the ignition to the "on" position, without starting the vehicle. https://www.g28carkeys.co.uk/aylesbury-auto-locksmiths-near-me/