The menace adding £30 to your car insurance

Paul Sakuma/AP/Press Association Images

As car insurance costs continue to climb, we'll try anything to bring down the cost of our policy. Unfortunately, a new report reveals that one in six drivers are opting for a solution that's not only illegal - but will cost law-abiding drivers £30 a year.

So what is this expensive menace on the roads? And what can we do about it?