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. This prevents the vehicle from being "hot wired" after entry has been achieved and thus reduces motor vehicle theft.

Jul 6, 2023 · What Is a Car Immobilizer? 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. Its goal is to keep a car from being hot-wired and stolen by someone who doesn't have the key to start the engine.

An immobiliser protects your car from being stolen by comparing signals from the receiver and transponder. It blocks the ignition system or the fuel pump. In effect, when someone is trying to steal a car, the starter is spinning out, but the car will not start.

Sep 26, 2024 · An immobiliser is an electronic device that’s fitted into a car to stop the engine from running. It will only run if the correct key or key fob is present. Since the engine can only be started with the correct key, it would be harder to steal.

Jan 12, 2025 · An engine immobiliser is an electronic security system designed to prevent unauthorised engine starts. Unlike traditional car alarms that deter theft through sound and lights, an immobiliser operates discreetly, disabling critical engine components like the ignition system or fuel injection unless the correct key is used.

Oct 16, 2014 · The engine immobilizer is an anti-theft system built in the engine ECU. It prevents the engine from starting without using the vehicle’s authorized key. Instead, this system uses a unique digitally coded key or a Smart Key fob. This key contains a transponder chip. It stores the electronic security code or simply the vehicle’s password.

Nov 15, 2021 · In this guide, we explain what an immobiliser does and how it helps to protect your car from theft

May 23, 2024 · An immobiliser is an anti-theft mechanism that prevents an automobile's engine from starting unless the correct ignition key or other device is present. This device prevents thieves from starting the car by a method known as hot wiring. Most new vehicles have an immobiliser as standard equipment.

May 7, 2024 · An engine immobiliser, a tiny device that safeguards your vehicle from theft, is like a miniature superhero embedded in your car's inner workings. This clever technology acts as a security gatekeeper, ensuring only you or an authorised person can start your vehicle.

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 from starting. When this system is activated on your car a warning light such as …