Drivers should only use fog lights when visibility drops below 100m, according to The Highway Code. If you’re not sure when that is, check if you can see the tail lights of the car in front of you.

Make sure you know how to switch on your fog lights, and check they are working before setting off on your journey. Bus and train services, as well as flights and ferry travel may also be affected; ...

Incorrectly using fog lights in your vehicle could backfire as there are strict rules around how they should be used. It comes as areas across the UK - including the Midlands - has seen clouds of ...