Car theft. With hi-tech alarms, immobilisers and keyless cars we thought it was a thing of the past. Now we’re hearing about new forms of stealing vehicles on an almost daily basis – no least through relay theft, where the

Not a lot of people know this, as they say. They think the humble car key does little more than open the door and set you on the path from A to B. And protect your car from intruders, of