The double flashing light is usually located on the center console or under the center console. It is a button marked with two triangles overlapping inside and outside in red. Double flashing lights, also known as danger warning lights, are a kind of signal lights to remind other vehicles and pedestrians that special circumstances have occurred in this vehicle.

　　Automobile double flashing lights are usually turned on when the vehicle has driving problems. When a vehicle breaks down or runs on a dangerous road, you should turn on the double flashing lights of the vehicle. The light of the double flashing lights of the vehicle has high penetration, which can alert other vehicles and remind others to avoid.

　　It is very simple to turn on the double flashing lights. Just find a button switch with a red triangle exclamation mark on the center console of the vehicle, and press the button to turn on the double flashing lights, and the four turn signals of the vehicle will flash continuously at the same time. There are many usage scenarios of double flashing lights. To give a few simple examples, you need to turn on the double flashing lights in the following situations:

　　1. Faulty vehicle. When a vehicle has a traffic accident or breakdown and has to stop at the roadside, in order to remind the vehicles behind, it is necessary to turn on the double flashing lights and set up a warning board at a safe distance behind.

　　2. Driving in foggy days. When driving in dense fog, the visibility is less than 100 meters, it is necessary to turn on double flashing lights and fog lights to improve the visibility of the environment and strengthen the vehicle identification, so that pedestrians and nearby vehicles can easily detect it and keep a safe driving distance.

　　3, traction fault vehicles. When there is a traffic accident on the road and the tractor is towing the faulty vehicle, both the tractor and the towed vehicle need to turn on the double flashing lights during driving.

　　4. The motorcade allowed by the traffic control department. For example, special vehicles such as fire engines, medical vehicles, police cars, etc., can turn on the double flashing when performing emergency affairs.