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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. 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 …

  4. 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.

  5. 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. …

  6. Bad Immobilizer – Symptoms and Replacement Costs

    Jan 10, 2024 · In this article, we will look at what a car immobilizer is and how it fits into the security system to prevent thieves from making off with your vehicle. We’ll also take a look at …

  7. How Does Immobiliser Work? (Simply Explained)

    How Does Immobiliser Work and What is it for? An immobiliser protects your car from being stolen by comparing signals from the receiver and transponder. It blocks the ignition system or …

  8. Best Car Immobiliser Options for Ultimate Vehicle Security

    Apr 25, 2025 · Car immobilisers are nifty devices that help prevent car theft. They work by stopping the engine from starting when the wrong key or no key is used. These gadgets are …

  9. Top 5 Car Immobilisers: Reviews, Features, and Buying Guide

    Jun 22, 2025 · Keeping your car safe is a big deal, and a car immobiliser is one way to do it. Choosing the right one can feel like a puzzle. There are so many types, and figuring out which …

  10. What is the immobilizer? Why does it fail? - StartMyCar

    The immobilizer or anti-theft system verifies that the key used to turn the engine on is the correct one. If the key is not the correct one, this system blocks different actions to prevent the car …