You must dim your headlights in which of the following situations?

When meeting oncoming traffic.
When driving in fog.
When following another vehicle.
All of the above.
Explanation

Always switch to low beam headlights when driving in fog, as high beams will reflect off the water droplets and create glare that reduces your visibility. The same principle applies when following another vehicle within 300 feet or when meeting oncoming traffic within 500 feet - lowering your beams prevents blinding other drivers while maintaining adequate road illumination. Proper headlight use in these situations ensures better visibility for all road users and helps prevent dangerous glare-related accidents.

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