Which lights should you use when you’re driving in daylight and it’s foggy?

Explanation: If you have to drive in fog during daylight, use dipped headlights. If visibility is below 100 metres (328 feet), use high-intensity fog lights; they help other road users to see you.

Category: Band 3 driving test

References: The Official DVSA Guide to Driving: Section 12, Highway Code: Rule 226