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Most of the new Veichles on the road in those days come with some type of “transponder Chip keys.” Such us Chevrolet, Chrysler, Ford and Toyota…. Most every Automotive manufacturer uses a transponder Chip keys. I hope this article will help you understand more about Transponder Keys.
What is a Transponder Key?
Simply put, these types of keys come with an rf transmitter inside of them. A device close to 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 inside the switch.
The Way Can I Tell If I Have A Transponder Key?
In most cases, the plastic part of the key will be thicker than a key without a transponder. Here is not always the case, but it is a good sign. Another test is to cover the plastic part of the key with several layers of tin foil and then try to start the vehicle. If it does not start, there is a transponder present. There are several exceptions to this rule, but not many.