How to Reprogram Car Keys Typically, you will need an operational spare key as well as an instrument for programming. It is also recommended to have the owner's manual for your car handy. The reprogramming procedure will vary depending on the model of vehicle. Start by inserting the working key https://g28carkeysolutions45236.laowaiblog.com/28755158/car-key-programing-s-history-of-car-key-programing-in-10-milestones