What Are the Different Types of Codes and How Do They Work? Unlike older keys, modern car keys have chips inside that are unique to each car. This stops thieves from taking the key and putting it in the car. They are usually purchased from a dealership or cloned by https://g28carkeysolutions83978.liberty-blog.com/29512522/five-car-key-programmed-projects-to-use-for-any-budget