What are the regulations for using hazard warning lights?

1 Answers
JanelleLynn
07/30/25 8:08am
The hazard warning flasher, commonly known as "double flasher," is designed to alert other vehicles and pedestrians that the vehicle is experiencing a special situation. It is a type of signal light on the vehicle. Below is information regarding the use of hazard warning flashers: 1. According to the Road Traffic Law: When a motor vehicle is driving at night without streetlights, under poor lighting conditions, or encountering low visibility situations such as fog, snow, rain, dust, or hail, it should turn on the headlights, clearance lights, and rear position lights. When a following vehicle is driving close to the vehicle in front in the same direction, it should not use high beams. Motor vehicles driving in foggy conditions should turn on fog lights and hazard warning flashers. 2. When a motor vehicle is driving on a highway and encounters low visibility weather conditions such as fog, rain, snow, dust, or hail with visibility less than 100 meters, it should turn on fog lights, low beams, clearance lights, front and rear position lights, and hazard warning flashers. The speed should not exceed 40 kilometers per hour, and a distance of more than 50 meters should be maintained from the vehicle in front in the same lane. 3. When a motor vehicle is driving on a highway and encounters low visibility weather conditions such as fog, rain, snow, dust, or hail with visibility less than 50 meters, it should turn on fog lights, low beams, clearance lights, front and rear position lights, and hazard warning flashers. The speed should not exceed 20 kilometers per hour, and the vehicle should exit the highway at the nearest exit as soon as possible.
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