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’re driving down a steep hill. Why could it be dangerous to keep the clutch down or roll in neutral for too long?

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

Why is travelling in neutral for long distances (known as coasting) wrong?

When may front fog lights be used?

What will happen if you use rear fog lights in good conditions?

You’re on a motorway at night, with other vehicles just ahead of you. Which lights should you have on?