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An immobilizer with a rolling code is a security feature used in vehicles to prevent unauthorized access and theft. It functions by generating a unique code each time the vehicle is started, which must be recognized by the car's engine control unit (ECU) for the engine to start. This rolling code changes with each use, making it difficult for thieves to replicate or bypass the system. As a result, it enhances vehicle security by ensuring that only the authorized key or fob can start the engine.

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1w ago

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