Key Programming Car Keys The majority of dealerships and brick and mortar locksmiths have tools to help you program replacement keys or restore immobilizer data. These tools are typically bidirectional OBD-II units. Insert a brand new, blank key and turn the ignition to the "on" position without starting the car. https://g28carkeys69632.ssnblog.com/28872264/this-history-behind-car-key-programming-will-haunt-you-forever