How to Reprogram Car Keys You will typically need a spare key that works as well as a device to program. Also, you should have the owner's manual of your car handy. The procedure for reprogramming will differ depending on the type of car. Start by inserting your working key https://auto-locksmiths80815.yomoblog.com/35677140/car-key-programing-101-this-is-the-ultimate-guide-for-beginners