What action should you take if you are driving in foggy conditions?

In foggy conditions, using low beam headlights is essential for maintaining visibility. Low beam headlights are designed to project light down onto the road and to the sides without creating a glare that can reflect off the fog, rain, or snow. This reduced glare helps you see more clearly and also ensures that other drivers can see you without being blinded by bright lights.

Using high beam headlights in fog can actually worsen visibility because the light reflects off the moisture in the air, creating a wall of light that can obscure what is directly ahead. Turning off your headlights completely is unsafe, as it significantly reduces your visibility and makes it difficult for others to see your vehicle. Driving at normal speed in foggy conditions is also not advisable, as reduced visibility may necessitate slower speeds to safely navigate the road. Thus, using low beam headlights is the most effective and recommended action in foggy driving conditions.