What is a Chip Key?

Modern cars have a transponder imbedded in the top of the key (or key like device); hiding inside the plastic “head”. The car has a receiver inside the car that is asking for the identity of the key. The key sends a numerical signature back, and if the vehicle recognizes the right information it allows the car to start. Mechanical metal keys without this technology only allow a few thousand key possibilities. With this...

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