How to Reprogram Car Keys Typically, you'll require a working spare key and an instrument for programming. Also, you should have your car's owner manual handy. The reprogramming process will vary by car type. Start by inserting the working key into the ignition and turning it to the on position. https://autolocksmiths99543.mybloglicious.com/50488743/car-key-programing-strategies-from-the-top-in-the-business