What is the difference between hazard warning lights and double flashing lights?

[AlexDella]

Hazard warning lights and double flashing lights refer to the same thing. Below is the relevant information: 1. Hazard warning lights: Hazard warning lights are used in emergency situations, where all turn signals flash simultaneously, commonly known as double flashing. They serve as a signal to alert other vehicles and pedestrians that the vehicle is experiencing a special situation. The button switch for hazard warning lights is marked with a red triangle and an exclamation point. 2. Function: They are used to alert other vehicles and pedestrians that the vehicle is in a special situation and requires them to maintain a safe distance. When driving in thick fog with visibility below 100 meters, it is necessary to not only turn on the front and rear fog lights but also activate the hazard warning lights to alert passing vehicles, especially those behind, to maintain a safe distance and avoid accidents caused by sudden braking.