Can You Program Your Own Car Keys? There are only a handful of automobiles on the market which allow you to program your own keys. This is a risky method that could cause damage to the computer in your car. The transponder chip in the key creates a digital signature. https://auto-locksmith37248.thenerdsblog.com/34980128/5-laws-everybody-in-car-key-programming-near-me-should-know