If you drive a car with LED matrix lighting, you hardly have to remember to do anything with your headlights. These smart lights know when and where to light up. But there is a catch.

On city streets and country roads, around every turn there’s blinding lights making hard to see the road when you’re driving.

Ministers have promised the findings of a probe into safety fears over car headlights will be published later this year - but ...

What that means is if you changed out your own car’s headlights with replaceable LED bulbs, you might be breaking federal law.