When driving in fog, a driver should:

Use low beam headlights.
Use high beam headlights.
Use parking lights.
Stop and wait for the fog to lift.
Explanation

When driving in fog, always use your low beam headlights. High beams can reflect off the fog, creating glare and reducing visibility even further. Low beams help you see the road while making your vehicle more visible to others. Drive slowly, increase your following distance, and stay alert. If visibility becomes dangerously limited, it's best to pull over in a safe location and wait for conditions to improve.

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