Car security remains paramount. Around 176 cars are reported stolen in the UK every day. For this reason, you’re no doubt wondering what security features your car already has and what can be done to improve them.
An immobiliser is one of the most effective tools against car theft. In this comprehensive guide, you’ll learn about the mechanics of an immobiliser, the advantages of the device, along with how to choose the right one for your vehicle.
What Is an Immobiliser in a Car?
An immobiliser is a security device fitted to a car which prevents the car from being started without the correct key or fob. Its purpose is to reduce car theft by preventing thieves from bypassing the car’s ignition system through so-called hotwiring. An immobiliser disables one or more car components, such as the ignition, fuel pump, or starter motor to prevent an unauthorised person starting the car.
How Immobilisers Work
In modern cars, the key or fob communicates with the car’s electronic control unit (ECU) through a unique code. Transponder keys contain a chip that sends a signal to the car’s computer when inserted into the ignition while smart keys use wireless technology to communicate with the car.
When you use the correct fob or insert the correct key, the code is sent to the ECU deactivating the immobiliser. If the code doesn’t match or is absent, the immobiliser remains engaged, and the car will not start.
How Do I Know if My Car Has an Immobiliser?
Immobilisers became mandatory from 1998 meaning cars manufactured after this year have a factory-fitted immobiliser. However, some cars made prior to 1998, luxury models in particular, also came fitted with an immobiliser so you may be unsure as to whether your car has one in place.
There are several ways to check if your car has an immobiliser:
- Check the owner’s manual – The manual often contains information about the car’s main security features, including the presence of an immobiliser.
- Look for an indicator light – Many cars have an immobiliser indicator light on the dashboard that flashes when the system is active.
- Contact the manufacturer or dealer – If you’re unsure, the manufacturer or dealer can provide confirmation.
- Inspect the key – Transponder keys usually have a plastic head, whereas traditional keys do not.
- Ask a professional – A qualified professional can check within the dashboard panel for the presence of an immobiliser unit.
What Immobiliser Is Fitted to My Car?
There are different types of immobilisers made by different manufacturers. Technology has, of course, advanced since the first mobilisers were fitted in the 90s. So, you may wish to check which immobiliser is fitted to your car to ensure your security system is up to scratch.
Again, you may be able to find this information from your owner’s manual or directly from the car manufacturer. But, a professional will certainly be able to identify what kind of immobiliser device you have.
The Benefits of Immobilisers
Installing an immobiliser or upgrading to a more advanced system is a worthwhile investment for car owners. Here are just some of the reasons why:
- Prevent theft – Immobilisers stop thieves from using the traditional methods of stealing a car. Most will simply give up when they are unable to get the car started.
- Enjoy peace of mind – You can rest assured that your car is secure no matter where you park it.
- Enhance your security system – Immobilisers are particularly effective when integrated into an advanced security system.
- Reduce insurance premiums – Many insurance providers offer discounts on cars equipped with an immobiliser.
- Increase resale value – Advanced security features enhance the perceived value of a car for potential buyers.
How Secure Are Immobilisers?
An immobiliser is an effective security measure and deterrent to thieves. However, it is not completely impenetrable. Some sophisticated thieves have developed methods to bypass immobilisers. Yet, these instances are relatively rare and most car thieves prefer easier targets.
To enhance the security provided by an immobiliser, consider combining it with other security measures such as a steering wheel lock, car alarm, and GPS tracking system. You should also regularly update the software and firmware of your car’s security system to protect against new hacking methods.
The Different Types of Immobiliser
If your car doesn’t have a factory-fitted immobiliser from the manufacturer or you feel your car would benefit from a security upgrade, choose a Thatcham-approved immobiliser. Thatcham is an organisation that tests and provides accreditation to alarm systems.
The main types of immobiliser consist of an individual device or a device connected to a wider car security system. For example:
- Combined alarm and immobiliser – The most sophisticated and rigorously-tested type of immobiliser integrated into the alarm system.
- Electronic immobiliser – An immobiliser that prevents at least two key car components from functioning.
- Post-theft tracking and recovery systems – A smart system that allows you to immobilise the vehicle remotely, usually via an app, after it has been stolen.
How to Choose an Immobiliser
First consider your security needs. Perhaps you live in an area that has a high crime rate or you travel to such areas often. In this case, it’s worth upgrading to an advanced system with a combined alarm and immobiliser rather than opting for a simple device to keep your car secure.
There are a number of top car security brands out there such as Cobra and Autowatch. So, another key aspect to remember when researching immobilisers is compatibility. A professional will be able to advise you on which immobiliser brands are compatible with your car’s make and model.
It’s also a good idea to look to forums or find reviews from those who possess the same car as you. Discover which immobiliser they had installed, how effective it was, how reliable they found it, and any other criteria you deem critical in making your choice.
The Importance of Immobilisers
An immobiliser is certainly a worthwhile investment. As you have seen, immobilisers significantly increase car security by deterring thieves. They work in unison with other security measures to maximise security and give you peace of mind.
If you have an older car, your vehicle may not have an immobiliser. Either way, you may choose to upgrade your car security system by getting a more advanced immobiliser. After all, as technology advances so do the methods of thieves. Give Motorguard a call to discuss your options or book an installation today.