Using low beams and fog lights, if available, is a safe practice when driving in fog because it helps to improve visibility without causing glare. Fog can reflect light in unique ways, and high beams tend to reflect off the fog, creating a white wall effect that can actually diminish visibility. Low beams, on the other hand, direct light downward and help illuminate the road directly in front of the vehicle, allowing drivers to see better and distinguish between road conditions and obstacles. Fog lights are designed specifically to cast a wide, flat beam of light that is effective in cutting through fog, rain, or snow, further enhancing a driver's ability to see and be seen in low visibility conditions.
Driving without headlights or relying solely on high beams can be perilous because they may obscure visibility or fail to provide the necessary illumination for safe navigation. Additionally, maintaining the speed limit without regard for the weather conditions can lead to dangerous situations, as fog can significantly reduce visibility and necessitate slower driving speeds for safety. Thus, using low beams and fog lights appropriately is vital for ensuring safe driving in foggy conditions.