Key Programming Car Keys Most dealerships and brick and mortar locksmiths are equipped with tools that can help you program replacement keys or restore immobilizer data. These tools are typically bidirectional OBD-II units. Insert a new, blank key and turn the ignition to the "on" position without starting the car. https://auto-locksmith61031.activosblog.com/28680040/how-can-a-weekly-car-key-reprogramming-project-can-change-your-life