Key Programming Car Keys Most brick and mortar locksmiths as well as dealership parts departments have tools to assist you in programming replacement keys or restore immobilizer data. These tools are usually bidirectional OBD-II units. Insert a new key and turn it to the off position without starting the engine. https://g28carkeys69632.ssnblog.com/28872264/this-history-behind-car-key-programming-will-haunt-you-forever