Nissan Car Key Replacement
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Replacing a
nissan replacement key fob key fob battery is typically an easy and simple task. But first you'll need to know if your car uses an intelligent fob, push to start button or regular remote/non-transponder
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You'll also require your key code, which must be kept in a safe location and should match with the one that came with your vehicle.
Transponder Keys
Transponder keys can be used in newer cars. They have an RFID microchip that sends a unique code for the car when the key is put in ignition. It is designed to stop theft by making sure that only the correct key can start the vehicle. Contact your local dealership or locksmith to see the demonstration of this new technology.
When the transponder is inserted in the ignition, the key sends an electronic message to the chip inside the engine control unit (ECU) of the vehicle. The ECU then checks to see whether or not the code in the key matches its own digital serial number.