Mississippi Written Drivers Test Practice

Question: 1 / 400

What headlight beam should you use when driving at night in heavy fog?

High Beams

Daytime Running Lights

Fog Lights

Low Beams

When driving at night in heavy fog, it is crucial to use your low beams. Low beams direct light down onto the road and help reduce glare and reflection caused by the fog. High beams, on the other hand, can cause the light to be reflected back by the fog, impairing visibility even further. Daytime running lights are not bright enough to penetrate through the fog, and fog lights are actually designed to be used in conjunction with low beams, not as a standalone option in foggy conditions. Therefore, using low beams is the most appropriate choice to ensure optimal visibility and safety when driving in heavy fog at night.

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