What Are the Different Types of Codes and How Do They Work? In contrast to older keys, modern car keys have specific chips in them that are specific to each vehicle. This prevents thieves from simply taking the key and then starting the car. These keys can be purchased from https://carlocksmith37455.shotblogs.com/from-all-over-the-web-20-fabulous-infographics-about-car-key-program-near-me-43353905