What Are the Different Types of Codes and How Do They Work? Modern car keys have unique chips that are specific to each vehicle, which is not the case with older keys. This helps prevent thieves from using the key to start the car. They are usually bought from a https://car-locksmiths64432.designi1.com/51321978/20-car-key-programmed-websites-that-are-taking-the-internet-by-storm