It takes about less than 5 minutes to program a Key Fob, however, you MUST perform the steps as listed and in a timely form, not to Fast or to Slow, as if you do not do this properly the programming will FAIL and the battery terminal will have to be removed for at least 30 seconds. Thereafter, you would have to start the process all over again. Follow the uncomplicated steps below to learn how to program a new fob or reprogram an old one.