You're driving in fog. Why should you use low-beam headlights instead of high beams?

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Correct answer: C. High beams reflect off the moisture in fog and reduce your visibility

High beams reflect off the moisture in fog, bouncing light back at you and making it harder to see — low beams point closer to the road and cause much less glare-back.

Source: MTO Driver's Handbook: Driving at night and in bad weather — Fog

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Study the rules first in the Night & Bad Weather guide, or browse all free G1 questions.