You have to make a journey in fog. What should you do before you set out?

A: Top up the radiator with anti-freeze

B: Make sure that you have a warning triangle in the vehicle

C: Make sure that the windows are clean

D: Check the battery

If you have to drive in fog, switch your dipped-beam headlights on and keep your windscreen clear. You should always be able to pull up within the distance you can see ahead.

You may also be interested in these theory test questions

You’ve just driven out of fog. What must you do now that visibility has improved?

What must you do when overtaking a car at night?

Why should you always reduce your speed when travelling in fog?

You see these markings on the road. Why are they there?

You’re travelling in very heavy rain. How is this likely to affect your overall stopping distance?

You’re driving at night and are dazzled by vehicle headlights coming towards you. What should you do?