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  1. Immobiliser - Wikipedia

    An immobiliser or immobilizer is an electronic security device fitted to a motor vehicle that prevents the engine from being started unless the correct key (transponder or smart key) is …

  2. What Is an Immobilizer and Does My Car Have One? - MUO

    Jul 6, 2023 · A car immobilizer system (also known as an engine immobilizer) is a piece of electronic security technology that is designed to deter and inhibit vehicle theft.

  3. What Is An Engine Immobilizer: How Does It Work (And Problems)?

    Feb 27, 2023 · The engine immobilizer is a theft deterrent built into the engine control unit (ECU). It makes it hard to start your car’s engine unless the correct key is used.

  4. 5 Best Car Immobilizer Systems: Your Ultimate Security Guide

    Jun 16, 2025 · It’s a 12V vehicle immobilizer system that cuts off fuel or the circuit, preventing the engine from starting. Installation is designed to be easy and doesn’t damage your car’s original …

  5. What Is an Immobilizer on a Vehicle? - Engineer Fix

    1 day ago · A vehicle immobilizer is an electronic security device designed to prevent the engine from starting unless the correct, coded key or key fob is present and authenticated.

  6. What Is an Immobilizer System and How Does It Work?

    An immobilizer system is an electronic security device installed in modern vehicles that prevents the engine from starting unless the correct key or key fob is present.

  7. What Does a Car Immobilizer Look Like? - CarParts.com

    An immobilizer is an anti-theft device that restricts the operation of your vehicle, only allowing its engine to start if it receives the correct code from the car key.

  8. How Car Immobilizer Systems Work | ShunAuto

    May 30, 2025 · How does a car immobilizer system work? A car immobilizer system is an anti-theft device that prevents a vehicle's engine from starting without the appropriate ignition key. …

  9. How Do Car Immobilizers Work? - 1-800-Unlocks

    Jan 18, 2025 · How Do Car Immobilizers Work? Car immobilizers are anti-theft devices designed to prevent unauthorized access to your vehicle. They disable the engine, ensuring it cannot …

  10. Car Immobilisers 101: How They Keep Your Vehicle Safe - IT …

    Mar 8, 2025 · What is a car immobiliser? A car immobiliser is an electronic security device fitted to a vehicle that prevents the engine from starting unless the correct key or fob is present. It …