How to Reprogram Car Keys Typically, you'll need a working spare key and a specialized programming device. You should also keep your owner's manual of your car in your pocket. The reprogramming procedure will vary according to the model of car. Start by inserting your working key in the ignition, https://g28carkeys39791.isblog.net/what-car-key-programing-is-your-next-big-obsession-46629269