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 present.

Dec 17, 2025 · An immobilizer is an electronic security device integrated into modern vehicles designed to prevent the engine from running unless the correct, authorized key or transponder is present.

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.

What is an engine immobilizer? An engine immobilizer does exactly what it says: It helps to ensure a car's engine can only be started by the owner. It is, for all practical purposes, a...

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.

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 wiring.

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. It is …

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 start …

Sep 28, 2025 · A car immobilizer is an electronic security device that prevents a vehicle from starting unless the correct key or token is present. It is designed to block the engine from running by …

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 popular among car …