Transponder Keys for Vehicles Explained
Almost all new cars on the road today come with some type of “transponder key.” Toyota, Ford, Chevrolet, Chrysler, Nissan, BMW…. Most every car manufacturer uses a transponder key. I hope this post will help you understand more about them. What is a Transponder Key? Simply put, these keys have an rf transmitter inside of them. A device near the ignition switch of the vehicle has a receiver. The key transmits an extremely low-level signal that the vehicle can detect only when the key is in the switch. Why Do Manufacturers Use Transponder Keys? They are used to prevent the car from being hot wired. The car will not start if the device at the switch does not detect the low level signal from the key. If a copied key is used without the proper signal, the car will not start. If someone tries to hot wire the car, the car will not start because there is no signal from the key. How Can I Tell If I Have A Transponder Key? In most cases, the plastic...