Put Foil On Door Knobs

People are maxim you should wrap your car key trick in aluminum foil in order to deter car theft. Does it really work?

If y'all take a relatively new car, y'all tin probably walk right upwardly to your auto and open information technology'southward doors without a cardinal — magic, right?

Nope. There is patently an explanation for how the keyless car organization works. Would-be robbers are using this data to actually steal people'south cars when they aren't looking.

Keyless entry systems work using radio signals that are emitted from the automobile and a key pull a fast one on that searches for those signals. When you lot identify your hand on the door handle of a keyless car (in some cases you have to press a push button), the vehicle volition send out a short-range radio signal. If the play a trick on is within range of the car's radio waves, commonly around 5 metres, information technology volition send its own indicate dorsum to the car and the vehicle's onboard calculator will unlock the doors.
BuyACar.com

And so, y'all unremarkably have to really have your central fob on your person when you go to unlock the doors. Otherwise, the doors volition remain locked.

Car thieves, still, have gotten wise to this system, and are manipulating it by using a work around.

They are using what is known as a "Relay Box" to capture the electrical signal sent out by your key fob.

What happens when they capture this indicate? They can trick your machine into thinking they have your fob, and they tin can easily open the door to your car.

They don't even have to be right up adjacent to y'all. The car thieves can be as far equally 300 feet away, and yet catch the information they need.

Not but can they open your automobile with this relay box — they tin actually Showtime your car and drive off!!

p.s. This "Relay Box" can be easily purchased from somewhere like Amazon, and YouTube has all the needed videos that would let a auto thief admission to the information they need to steal your car. In other words. Stealing a car past using a relay box is more than common than you think!

Does Aluminum Foil Work Against Motorcar Theft?

Well, you can't forbid them from using the relay boxes, but you lot can make information technology harder on the thieves trying to steal your car.

Car thieves will identify 1 piece of equipment virtually a door or window at your home ― close enough to choice up your key play tricks'southward signal ― and relay that bespeak to another piece of equipment about your automobile.
Huffington Mail service

Some experts are saying that wrapping your key play a trick on in aluminum foil, particularly overnight when a motorcar thief can just walk up adjacent to your house and get your code, might dampen the point.

When I say wrap your keb fob in aluminum foil, I mean all the mode. Wrap information technology upwards tight like a present.

Walls, windows, and doors don't terminate the thieves from getting the indicate from your fob, but putting your fob in some kind of metal can stop the signal or make it less stiff.

Wrapping your key fob in aluminum foil doesn't COMPLETELY eliminate the problem, only information technology might brand it a fiddling more difficult for the machine thief to get the code.

"Only having tin can foil wrapped effectually your key fob will non protect you from somebody trying to steal the codes off that," [Tom Scott, executive managing director of SCCyber] said. "Your key play a joke on in tin foil or aluminum foil, information technology may dampen the point depending upon how close you are, but information technology won't completely eliminate it."
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And so, the aluminum foil trick works, but inappreciably at all. Information technology is better than nix. The trouble is that "at that place isn't enough density in aluminum foil to fully protect the fox from existence hacked."

What Works Better Than Aluminum Foil To Protect Your Car From Thieves?

You need a DENSE metal — like a tin box (remember Altoids), a metal prophylactic, your refrigerator, or your microwave (don't melt them!).

There is also a Faraday Pocketbook yous tin can go from Amazon. You lot can put things in it, like credit cards and key fobs, so thieves tin't access their digital codes. They are relatively cheap — like $13-$xxx depending on what you want.