How to Reprogram Car Keys It is common to require an extra key that functions and a programming device. You should also have your car's owner manual in your pocket. The process of reprogramming will differ according to the car model. Start by inserting your working key into the ignition, https://g28-car-keys60472.bloguetechno.com/why-everyone-is-talking-about-car-key-programing-right-now-64733296