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You must use your high-beam headlights in all of the following situations, except


Note the 'EXCEPT' word in the question! Use your high beams whenever there are no oncoming vehicles nearby. High beams allow you to see twice as far as low beams. Be sure to use high beams on unfamiliar roads, in construction areas, or where there may be people on the side of the road. However, use low beams in fog, snow, or heavy rain, because light from the high beams reflects off such precipitation and causes glare. [Driving in Darkness; Driving Hazards; Special Driving Situations; California Driver Handbook]