What Are the Different Types of Codes and How Do They Work? Unlike older keys, modern car keys have chips in them that are unique to each vehicle. This stops thieves from taking the key and then turning on the car. Keys can be purchased at a dealership or cloned https://auto-locksmith37248.thenerdsblog.com/34979023/the-most-popular-car-key-programmed-it-s-what-gurus-do-3-things