Question Category: Band 2 traffic signs and signals, car control, pedestrians, mechanical knowledge

You have to make a journey in fog. What's the most important thing you should do before you set out?

Explanation

"Before starting any journey, make sure your windows and mirrors are clean and your lights are working. You need to be able to see clearly and be seen by other road users. This is especially important when visibility is reduced, as in fog or heavy rain."