An engine immobilizer is an anti-theft system that comprises an electronic security device fitted to the vehicle. It prevents the engine from running unless the correct key is present. Automotive key fob is either a digital coded key or a smart key embedded with a RFID transponder which sends signals to the immobilizer control unit. The engine immobilizer is an electronic chip embedded into the ECU of the vehicle, which is activated by a key fob. If the code in the key and the immobilizer matches, the ECU activates the fuel and ignition system of the vehicle.
Rising vehicle theft has always been a concern to the government of the many countries. Countries have started implementing vehicle theft prevention regulations with the purpose to curb the vehicle theft. Some major automobile producing countries, such as Germany and US have implemented the regulations that mandate immobilizers for all new vehicles sold. This has led to the growth of the immobilizers in the automotive industry and
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