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Keyless entry is one of the most convenient features of newer cars. There’s no more fumbling for your keys when your arms are full of groceries or you’re toting a squirming toddler. Just press the “unlock” button to get inside and the “start” button to get the engine powered up, and your car will pick up the signals from your key fob.

Unfortunately, though, this user-friendly feature is also a favorite for car thieves. Security experts are warning of a relatively new scam centered on key fobs. In this scam, thieves use a simple device to pick up the signal from a vehicle’s key fob and use it to steal the car. What is very scary about this one is the fact that the fob can be safely hidden inside a car owner’s pocket or home while its signals are being hacked.

Here’s all you need to know about the relay theft scam and to learn how to protect your vehicle.

How relay theft plays out

With keyless entry, the hot wiring car thief is a thing of the past.

The key fob scam, or relay theft, is frighteningly easy for people to pull off. Criminals purchase relay boxes, which are available on eBay and Amazon. They then use these devices to hijack the signal from a nearby key fob.

The boxes come in pairs, allowing the crooks to set up one box as close as possible to the probable location of the key fob, such as near a window or door to the car owner’s home. The criminal places the second box close to the car he is trying to steal. The first box then reads the signal and “relays” it to the second box, tricking the car into registering the key fob as nearby. The thief can then unlock the car, start the engine and make off with the vehicle while the owner is oblivious to what is happening.

Keeping your key fob safe

Thankfully, protecting your key fob signals from relay theft is easy. All you need is a little metal.

You can achieve this protection by securely wrapping your key fob in a small piece of aluminum foil. The foil will block the electromagnetic signals of the fob, making it impossible for a relay box to pick them up. A foil-wrapped key may look strange, but you can safely keep your key fob in a pocket when you’re out, and inside a kitchen drawer when you’re home, so no one has to know about it.

You can also choose to invest in a specially designed Faraday bag to keep your car safe. Retailing on Amazon for just a few dollars, these metal-lined pouches will block your fob’s signals from being read. There are also metal-lined key wallets on the market that serve the same purpose.

It’s best to test out the effectiveness of your signal blocker before using it for the long term. Wrap your key fob in foil or place it inside your Faraday bag or metal-lined wallet, stick it in your pocket and sit in the driver’s seat of your car. Try to start the vehicle. The car should not be able to detect the key fob. If it revs up, the blocker is ineffective.

Protecting your car from relay theft

If you’d rather not bother with foil and Faraday bags, you can also go the old-fashioned route and protect the car itself from possible theft.

One way to achieve this protection is through a steering wheel lock. You won’t have a completely keyless entry and startup any longer, but it’s a small price to pay for the protection of your car. If a car thief hacks your key fob’s signal and starts your engine, they can’t drive off. The sight of the lock on your steering wheel can also serve as a deterrent for would-be thieves.

You can also protect your car from relay theft by keeping it out of sight and parking it in a garage.

If you own a pricier vehicle, it can also be worthwhile to invest in a security system.

Don’t let those scammers get your car! Take the precautions necessary to keep your key fob and your car safe from relay theft.

Your Turn: Do you own a car with “keyless entry”? How do you protect it from relay theft? Tell us about it in the comments.

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Source:

https://homemaking.com/hannah/police-urge-drivers-wrap-keys-tinfoil/

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