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The immobilizer in a Renault Sandero is an anti-theft system that prevents the engine from starting unless the correct key or key fob is used. It works by using a transponder chip embedded in the key, which communicates with the vehicle's engine control unit (ECU) when the key is inserted into the ignition. If the ECU does not recognize the key's unique code, it will disable the fuel supply or ignition system, preventing the engine from starting. This system enhances vehicle security by making it difficult for unauthorized users to start the car.

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1mo ago

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