Did you know that old metal blade keys were the norm until the late 20th century? The car key world changed a lot with the arrival of transponder keys  and then remote-control keys ( key fobs ) in the new millennium. Now, we have smart keys  or proximity keys, the latest in car key tech. In this guide, we'll dive into the different car keys , their features, and how they've evolved. Whether you need a new key or just want to know more about your car's tech, this article has y
