Which Lights to Use When Driving in the Rain?

2 Answers
Joan
07/29/25 11:18pm
When the rain is light, you should use the width indicator lights. When the rain is heavy, you should turn on the headlights or front fog lights, and avoid using hazard lights while driving. Also, do not use the side marker lights for extended periods. Below are the lights to use in different scenarios: 1. Use width indicator lights when the rain is light: The use of lights when driving in the rain is very particular. At the beginning of the rain, the sky is relatively dark, but visibility is still decent. In this case, you should use the width indicator lights. 2. Turn on the headlights or front fog lights when the rain is heavy: When the rain is heavier, the rainwater itself will obstruct your vision. Additionally, water on the road will be splashed up by the rolling tires of the vehicle in front, creating a mist that can significantly affect visibility. In this situation, you should turn on the headlights or front fog lights. 3. Use rear fog lights during heavy rain: Rear fog lights should only be used when the rain is extremely heavy because the red taillights already have excellent penetration power, and ordinary heavy rain usually doesn’t block their light. Rear fog lights are very bright and are designed to penetrate thick fog.
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VonTheo
08/16/25 1:45am
After driving for so many years, I deeply understand the importance of choosing the right lights when driving in the rain. Generally speaking, turning on the low beams is the most appropriate choice when it rains, as they illuminate the road ahead without reflecting raindrops and causing glare that could impair other drivers' vision. I remember once encountering a heavy rainstorm on the highway with poor visibility; turning on the low beams in time helped me avoid an accident. If the rain is particularly heavy or there is dense fog, I switch to fog lights for additional support, but I never use high beams—they create reflections in the rain, posing greater safety risks. Legally, many regions require headlights to be on during the day when it rains, so developing the habit of checking the position of the light controls is essential. Additionally, ensuring the cleanliness of the light covers before driving in the rain is crucial, as dirt and water can significantly reduce their effectiveness. Overall, using the right lights in the rain is not just about seeing the road clearly—it’s also a responsible attitude toward the safety of others and yourself.
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