A TRANSPONDER IN YOUR IGNITION KEY?
The majority of car keys
built after 1995 contain transponder chips hidden inside the plastic head of
the key. The purpose of a transponder chip is to disarm a vehicle
immobilizer when the car key is used to start the engine.
The owner
of the car may not even be aware that the transponder is there because there
are no buttons to press. When a key is inserted into the ignition lock cylinder
and turned, the car's computer sends a radio signal to the transponder. Unless
the transponder replies with a valid code, the computer will not allow the
engine to be started.
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