A motoring expert has that could result in serious breakdowns and .

According to a study of 500 Brits by the motoring publication , 15% of drivers have admitted to ignoring advisories issued by an inspector after their test.

Paul Barker, Editor of Auto Express, suggested that one of the most concerning advisories to ignore is for - creating a much .

He warned: "The in the UK is 1.6mm, and going below this can seriously compromise a car's ability to grip the road and/or slow down.

"So the fact that so many drivers are ignoring tyre-related advisories - the vast majority (60 percent) of which are categorised as 'dangerous' - is very concerning, as it means there could be more than 100,000 cars on the UK's roads with seriously worrying."

According to Auto Express, the most popular advisories to receive after an MOT test are related to the vehicle's electrical components, with a quarter of cars affected.

Of these, headlights and reflectors are the biggest causes of complaints, with broken or dim lights resulting in poor visibility and a higher risk of accidents when travelling at night or in adverse weather.

Whilst leaving them can be problematic for car owners, these advisories can often be fixed quickly and for a reasonable price with items like replacement bulbs.

Whatever the advisory, Paul urged all drivers to get the issue rectified as soon as possible in order to prevent the fault from developing further.

He continued: "Minor issues can turn into major, expensive repairs if left unchecked. And, if the issue worsens, it could lead to an MOT failure next time around, potentially leaving you without a road-legal vehicle until repairs are made.

"Plus, if you plan to sell the vehicle, buyers might be wary if they see recurring advisories in the MOT history, suggesting neglect."