Last Updated on February 11, 2025 by Alan Weir
As an expert car locksmith, I’ve seen just about every method out there to safeguard vehicles from theft. One of the most insidious and increasingly common threats today is the cloning of car keys. With advances in technology, thieves are getting smarter, using electronic devices to capture signals emitted by your key fob and replicate them. So, how can you protect yourself from this hassle? Let’s dive into 10 effective strategies that can help prevent your car key from being cloned.
1. Invest in a Faraday Bag
One of the simplest preventative measures is to store your key fob in a Faraday bag when you’re not using it. These bags are designed to block radio emissions and can effectively shield your key from any unauthorised signal capture. You can find affordable options online. By making it a habit to place your car keys in a Faraday bag, you’re adding an extra layer of protection that’s well worth the investment.
2. Use a Steering Wheel Lock
While physical deterrents like steering wheel locks might seem old-fashioned, they still serve as effective deterrents against car theft. Thieves are typically looking for the easiest target, and a visible steering wheel lock makes your vehicle less appealing. Plus, it’s an easy addition to your vehicle’s security arsenal that doesn’t rely on technology. You can pick up a decent steering wheel lock from various retailers or even online – just ensure it’s compatible with your steering wheel.
3. Reprogram Your Key Fob Regularly
Most car manufacturers provide the option to reprogram your key fob. This means that if you have any suspicions that your key may have been compromised, you can bring it to a dealer or an expert locksmith to reset it. Regularly resetting your key can help mitigate the risk of cloning, as this will erase any previously stored data that might be used by thieves. Plus, it keeps your security systems top-notch.
4. Check for Signals Before Leaving Your Car
It’s always a good practice to double-check for any electronic devices lurking around your vehicle. Thieves often use signal amplifiers to capture data. Before you approach your car, observe for any suspicious activity or unfamiliar devices. If something seems amiss, it’s best to err on the side of caution. This can also include staying aware of your surroundings, especially in public parking lots.
5. Upgrade to a Newer Key Fob with Enhanced Security Features
If your vehicle is an older model, consider upgrading to a newer model that comes equipped with advanced key fob technology. Many modern key fobs include rolling codes which change every time the remote is used, making it incredibly tough for thieves to clone. While this might require an initial investment, the peace of mind it brings is certainly worth it.
6. Use a Secondary Security System
In addition to your car’s built-in alarm system, consider investing in a secondary, aftermarket security system. Systems that utilise GPS tracking, immobilisers, or advanced alarm features can significantly strengthen your vehicle’s defences. It’s not just about having a single line of defence. The more layers of security, the harder you make it for potential thieves.
7. Keep Your Key Fob Away From Other Electronics
Many people don’t realise that key fobs can be affected by nearby electronic devices. Keeping your car keys near mobile phones, laptops, and other electronic gadgets may inadvertently expose them to signal interference or even cloning attempts. Ideally, store your key fob in a separate compartment in your bag or in a location far from these gadgets.
8. Educate Yourself on Keyless Entry Risks
If your vehicle uses keyless entry systems, it’s crucial to understand the risks associated with them. Many thieves use devices that intercept the signals from the key fob to unlock the vehicle. By educating yourself on how these systems work and staying updated on the latest car security vulnerabilities, you’ll be better prepared to mitigate risks. Websites like Which? offer extensive resources on car security risks.
9. Use Two-Factor Authentication Technology
Some modern vehicles offer two-factor authentication technology that combines both the key fob and biometric systems (like fingerprint scanners) for an extra layer of security. While not all vehicles will have this option, check with your manufacturer or a trusted auto locksmith for potential upgrades. This system essentially ensures that even if someone clones your key, they won’t be able to access your vehicle without the second form of identification.
10. Be Cautious with Where You Make Purchases
Finally, be very cautious about where you purchase your car keys and key fobs. Only buy from reliable sources – ideally, through your car manufacturer or an authorised dealer – to avoid counterfeit products that may lack the necessary security features. Particularly with online commerce booming, it’s easy to fall prey to deals that seem too good to be true. Stick to reputable retailers and avoid unknown sellers.
An Ounce of Prevention
As a seasoned car locksmith, I’ve seen first-hand the frustration and loss that comes from vehicular theft. Cloning car keys is a growing issue, but with a few simple adjustments to your habits and some investment in security measures, you can effectively shield yourself against potential threats. Remember, keeping your vehicle secure is not just the responsibility of the manufacturers but also of you, the owner. By taking these proactive steps, you’re making a solid investment in your peace of mind and the safety of your vehicle.
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.
