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.

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.

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. This …

Enhance your vehicle's security with top-rated auto immobilizers. Find systems compatible with cars, SUVs, and trucks for reliable anti-theft protection.

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.

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.

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 …

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.

Jul 15, 2025 · The immobilizer prevents a vehicle from being started by anyone who does not have the key to turn the engine. It does this by requiring a transponder chip in the key fob to send a matching …