Key Programming Car Keys Most Brick and mortar locksmiths and dealership parts departments have tools to help you program replacement keys or restore immobilizer information. These tools are usually bidirectional OBD-II units. Insert a new, blank key and turn the ignition on to the "on" position, without starting the vehicle. https://www.g28carkeys.co.uk/northampton-auto-locksmiths-near-me/