What Is Engine Immobiliser? Feature Explained
Car theft remains a significant concern for vehicle owners worldwide. Fortunately, modern cars and SUVs come equipped with advanced security systems like the engine immobiliser, which offers a robust layer of protection for your prized possession. Let’s explore how engine immobilisers work, their benefits, and what car owners should consider about this essential feature.
What Is An Engine Immobiliser?
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.
How Does An Engine Immobiliser Work?
The engine immobiliser relies on a coded chip embedded in your car key, often referred to as a transponder chip. Here’s how it functions:
- Key Recognition: When you insert the correct key into the ignition or use a keyless fob, the immobiliser system recognises the unique code from the chip.
- Electronic Handshake: The immobiliser unit and the key exchange a secure code. If the correct code is verified, the engine starts.
- Theft Prevention: If an unauthorised key or method is used, the immobiliser will not validate the code, effectively preventing the engine from starting.
What Are The Benefits Of An Engine Immobiliser?
- Enhanced Security - Engine immobilisers significantly deter car theft by making it nearly impossible to hotwire or bypass the ignition system.
- Peace of Mind - With this advanced security feature, you can park your car in unfamiliar locations with greater confidence, knowing it has an added layer of protection.
Are There Any Drawbacks to Engine Immobilisers?
- Lost or Damaged Keys: If you lose your key or key fob with the transponder chip, you’ll need a replacement programmed by a qualified technician, which can be costly.
- Electrical Malfunctions: Rare electrical issues within the immobiliser system could prevent the engine from starting, even with the correct key.
Do All Cars Have Engine Immobilisers?
All new cars sold in India, right from the Alto K10 to luxury cars, come with an engine immobiliser. Popular cars in India with this feature include:
- Tata Punch
- Hyundai Creta
- Mahindra Thar
- Tata Nexon
If you own an older car, check your owner’s manual or consult a mechanic to confirm if your vehicle has an engine immobiliser.
Is It Possible to Install An Engine Immobiliser Aftermarket?
Retrofitting an engine immobiliser to a car not originally equipped with one is technically possible but often impractical. The process involves integrating complex electrical components and reprogramming the vehicle’s system, which can be costly and time-intensive. It’s generally better to invest in a car that includes this feature from the factory.
Note: Check your car EMI with our - Car Loan EMI Calculator
You can use our Fuel Cost Calculator to see how much any petrol, diesel or CNG car will cost to run based on the latest fuel price in your city.
ABOUT THE AUTHOR
Nikil Jonathan
Nikil's a huge fan of classic cars, especially Italian beauties such as the Alfa Romeo Giulia Sprint and the Iso Grifo. His love for cars and bikes originated when he first laid his eyes on a poster of the Ferrari F40 and the MV Agusta F4 when he was just a child. He also loves all things analogue, especially vintage cameras and turntables.
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