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Types of Keys For Trucks In the late 90's to mid-2000's manufacturers began to put an electronic chip inside the plastic head on their keys. This chip emits a signal which is received by the receiver in your ignition; if the code isn't in sync, the car won't start. Beishir is able to produce these "chip keys" at a fraction of the cost of a dealer. Transponder Keys A transponder key, also known as chip key or immobilizer key, is a tiny electronic microchip in the head of car keys that contain an indi