Is There a Chip in My Car Key?


Quick Answer

If a car key has been made after 1998, it is probably a transponder key and contains a computer chip in it. The head of a transponder key is typically larger than that of a regular key.

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Full Answer

Transponder keys or chip keys power a vehicle's ignition using circuits that emit signals with radio frequencies. They were created in the 1990s to prevent car theft, which happened at a high rate at that time. Each chip key is modified for each model to create a unique response and protect the vehicle. An auto dealership specific to the car model or an automotive locksmith has the expertise to determine if a key has a transponder.

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