Arizona Driving Permit Written Practice Test 2025 - Free Driving Permit Practice Questions and Study Guide

Question: 1 / 400

When driving in fog, which headlights should you use?

High beams

Low beams

Using low beams when driving in fog is essential because they help reduce the amount of light that reflects off the fog, mist, or precipitation back into your eyes. High beams can create a glare that makes it even harder to see in foggy conditions since the light gets scattered by the moisture in the air, decreasing your visibility instead of improving it.

Fog lights are specifically designed to illuminate the road immediately in front of the vehicle and can be beneficial in dense fog; however, they should usually be used in conjunction with low beams rather than as a sole source of illumination, depending on conditions. Parking lights are not adequate for driving in fog as they do not provide sufficient illumination for safe travel. Thus, low beams are the recommended choice for maintaining visibility and ensuring safer driving in foggy conditions.

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Fog lights only

Parking lights

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