Should Fog Lights and Low Beams Be Used Together?

[MacAdriana]

Not necessarily. Fog lights and low beams should be used together when visibility is below 200 meters. In heavy fog conditions, it is essential to turn on all lights, including hazard lights. The differences between fog lights and low beams mainly lie in their beam angle, brightness, and light penetration. Fog lights have strong penetration power, allowing them to cut through dense fog and provide clear visibility of the road ahead. However, fog lights should only be used in heavy fog conditions. They consume significantly more power than low beams and have higher beam angles, brightness, and penetration. While they are highly effective in foggy weather, their intense glare can be disruptive to other drivers in normal weather conditions, potentially leading to accidents. Low beams illuminate a certain distance in front of the vehicle with relatively low power and a beam angle below the horizontal line. Using low beams while driving has minimal impact or interference with other vehicles. However, in heavy fog, the weak penetration of low beams becomes insufficient, making it difficult for drivers to see clearly. In such cases, fog lights are necessary to compensate for the inability of low beams to penetrate heavy rain or dense fog.