Not quite!

Q: What lights should you use if daytime visibility is poor but not seriously reduced?
Correct answer:
Dipped headlights
Explanation
Only use your fog lights when visibility is seriously reduced. Use dipped headlights at other times when visibility is poor. Your headlights and tail lights help others on the road to see you. It may be necessary to turn them on during the day if visibility is reduced; for example, due to heavy rain.
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