Last Updated on February 14, 2025 by Alan Weir
Keyless entry systems have revolutionised the way we access our vehicles. They offer unparalleled convenience, allowing drivers to unlock their cars with a simple press of a button or by proximity detection. However, as with any technological advancement, it’s important to remember that security vulnerabilities can arise. Nowhere is this more apparent than in crowded UK car parks, where opportunistic thieves can exploit the very features designed to enhance our experience. So let’s have a chat about how to safeguard your keyless entry system, ensuring peace of mind when parking in bustling lots.
### Understanding Keyless Entry Systems
Before diving into prevention methods, let’s touch briefly on how these keyless systems work. Usually, a key fob sends a unique code to your car when you approach, unlocking it automatically. There’s a lovely bit of tech behind that, including rolling codes and cryptography, but the gist is this: convenience is the name of the game. However, this convenience has a flipside. Thieves can use relay devices that capture the signal from your key fob (even if it’s in your home) and amplify it, allowing them to gain access to your vehicle effortlessly.
### 1. Safety Starts at Home
The first line of defence against keyless entry theft starts where you store your fob. Many homeowners often leave their key fobs on kitchen counters or near front doors. This is particularly risky, as thieves have been known to use simple devices that can pick up signals from several metres away.
A good tip is to invest in a signal-blocking pouch or box, commonly referred to as a Faraday bag. These handy little items prevent signals from escaping and also stop unwanted signals from getting in. Keep your key fob stored here when it’s not in use.
### 2. Double Up Your Security
While a keyless entry system is a wonderful bit of modern technology, it doesn’t mean you should put all your eggs in one basket. Many newer vehicles come with additional security features that can be employed alongside your keyless entry system. For example, many cars have a physical key hidden inside the fob itself, which can be used as a backup to blade locks at critical moments.
Consider investing in a steering wheel lock or a pedal lock. Yes, they may seem a bit old-fashioned, but they’re like putting up a big ‘No Entry’ sign in front of your vehicle. Potential thieves often look for the easiest target, and a robust visual deterrent can make your car less appealing.
### 3. Smart Parking Choices
Ah, car parks—the love-hate relationship many of us have. With the congestion and chaos of city life, we often find ourselves in busy car parks. However, being mindful about where you park can significantly impact your vehicle’s safety.
Park near CCTV cameras if possible. Not only does this provide a visual deterrent, but it also creates a helpful record in case something does happen. If you’re in a particularly crowded car park, try to park as close to the entrance as you can. A well-lit area is always safer.
### 4. Being Aware of Your Surroundings
Thieves often target distracted individuals. Have you ever noticed how many people are glued to their phones? It’s understandable, but when you’re in a crowded car park, putting your phone away can be beneficial. When walking to your vehicle, keep an eye out for anyone acting suspiciously and be mindful of your surroundings. Trust your instincts; if something feels off, take an extra moment to assess the situation or head back into the mall or shop and ask for help.
### 5. Use Your Car’s Security Features
Every vehicle is different, and many have built-in security features that can be very effective if used properly. For example, if you have an option for a secondary pin code or a mobile app that provides extra security features, embrace them! Some cars allow you to set alerts for any attempt to unlock or start your vehicle. Familiarise yourself with what your car has to offer and make full use of those features.
### 6. Timing is Everything
When you park, create a routine that involves checking the locking mechanism after you’ve exited the vehicle. Even when using a keyless entry system, take a moment to visually confirm your vehicle is locked. You can go back to the car and manually check if unsure; a few moments spent considering security now can save you from hours—and lots of heartache—later.
Additionally, you should be aware of the timing of when you unlock your car. If you’re parked in a busy car park, wait until you’re near your vehicle to unlock it. That way, if a thief is nearby, they’ll have less opportunity to react and gain access.
### 7. Vulnerability Assessment
While it might sound a bit technical, assessing the vulnerabilities of your keyless entry system is a worthwhile exercise. Do you know how secure your car is? Look into the specific security vulnerabilities associated with your vehicle’s make and model. Forums and online communities can be treasure troves of information. They’ll often share their experiences, helping you stay one step ahead.
In addition, it’s wise to stay updated with the latest news regarding security vulnerabilities in keyless entry systems. As some newer technologies hit the market, others are being phased out. Knowing the landscape can help keep your vehicle secure.
### 8. Professional Advice
Are you considering upgrading your existing locking mechanism? Consult a certified locksmith who specialises in automotive security. They will be able to provide specific insights and recommendations that fit your vehicle. For instance, it’s possible to install after-market devices that inhibit relay attacks or immobilise the vehicle when not in use. Speaking with an expert can help you make wise choices about additional layers of security.
### 9. Beware of Remote Key Clones
One method some thieves employ is to clone your key fob. They’ll use a device to capture the unique code your fob transmits. While this method is more advanced, it’s becoming increasingly common.
A fantastic preventative measure is to keep your fob away from any RFID readers and avoid storing it near your phone or smart devices, as they can unintentionally communicate with each other. As an extra measure, you could opt for a key fob with a rolling code feature, where the code changes every time you use it.
### 10. Regularly Update Your Technology
Finally, it’s important to engage with your vehicle’s technology. The automotive landscape is evolving rapidly, and so are the capabilities of key fob systems. Manufacturers frequently release firmware updates to fix vulnerabilities, so it’s crucial to keep your software up to date. Consult your owner’s manual or contact your dealer for the latest updates.
Whether you’re a frequent visitor to busy urban car parks or just someone looking to secure your vehicle while doing errands, each of these strategies can further fortify your defence against keyless entry theft. So let’s stay vigilant, be mindful of our surroundings, and empower ourselves with knowledge. After all, a little negligence could lead to a big problem, but with the right steps, you can enjoy the modern conveniences of keyless entry without unnecessary worry.
Alan Weir – Master Locksmith with 30+ Years of Experience
Alan Weir is the founder of Weir Locksmiths and a Master Locksmith with over three decades of experience. Renowned for his expertise in home and automotive security, Alan has built a reputation for providing reliable and innovative locksmith solutions across the UK.
A certified member of the Master Locksmiths Association (MLA), Alan specialises in residential, commercial and automotive locksmith services including car key replacement, transponder programming, and advanced security systems. His dedication to the field has earned him thousands of satisfied customers and glowing reviews on platforms like Checkatrade.
Now contributing to RevLock, Alan shares his expert knowledge to all of RevLocks visitors.
