A HOME security expert has revealed her top tips for Britons who have lost their car keys.
Mechanic lock Elizabeth Johns said drivers quickly got a new key so they could unlock the car and turn the key in the ignition.
But people with remote keys often forget to reprogram the receiver on the car door.
Otherwise, thieves – who may have gotten their hands on the lost keys – could press a button to unlock the car and start the engine.
Elizabeth also recommends motorists ensure that their spare key has been reprogrammed and replaced if the master key is lost.
Speaking exclusively to The Sun, Elizabeth – corporate director at locksmiths L&E Ltd – said: “We work with auto locksmiths. Generally, if a driver loses his or her car keys or Their car keys are broken, we have a lot of keys for that.
“But we also make new keys for cars that have been stolen or even for keys that have been stolen.
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“So if a car key has been stolen but the car is still there, we can erase the stolen car key from the car’s CPU and then reprogram the other key.
“So even if they come back with that key, they won’t be able to start the car with that key.
“If you ever lose your car keys, you should get the lost keys removed from that car.”
Elizabeth also warned drivers of cars without keys to exercise caution.
While some thieves have been known to use gadgets that pretend to be your car keys to gain entry – the most common methods are much simpler.
Elizabeth shows how crooks use special devices to increase the signal range of those without keys.
The best ways to outsmart criminals include keeping your keys in a metal case or specially made bag – and keeping it as far away from your car as possible when not driving.
“Keyless entry basically means you don’t have to put the key in the ignition and turn it on to start the car,” says Elizabeth.
“Keyless fobs have a built-in transceiver that sends radio signals to the car. So all you have to do is bring that fob with you and it will open the car – then you just press a button and the car is on. start up.
“There are devices that thieves have used to make that signal have a wider range.
“So even though there are keys in the house, the car starts up.
“And then they left it without entering the house.”
Elizabeth explains that there are easy ways to make sure your keys are protected from crooks and their technology.
“One of the ways that we’ve seen is if you keep the key in a metal tin, it stops the signal,” she said.
“So we’ve seen people keep them in things like cookie boxes or tea containers.
“Personally I wouldn’t recommend it as it’s unproven, but you can buy a Faraday bag.”
The Faraday bag is a special signal blocking structure that can protect credit cards, keys and devices from the snooping of high-tech criminals.
Elizabeth added: “Even if they’re in your driveway next to your car with the device, the signal won’t go further than the bag.”
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