[Article Introduction] When a car is driving on a highway, it will inevitably stop on the side of the road in an emergency. This is useful at this time. Whether it is during the day, at night or in bad weather, as long as you put it a few meters behind the car, you can warn the cars coming behind in advance. Because it is reflective, the light warning signs are very bright and eye-catching at night and can be seen from a distance. The foldable reflective triangle warning sign can be folded together when not in use, and is comfortable to wear; when in use, the foldable reflective triangle warning sign can be opened and placed behind the vehicle, which is a safe item for driving. [Instructions for use] 1. When using, take out the bad car warning sign from the packing box, hold the bottom with your hand, and open the brackets on both sides of the bottom. Place the open sign on the ground, pull out the left and right reflectors, and insert the pins of the left reflector into the opening slot under the right reflector. 2. The reflective of the fault open warning sign is in the direction of the vehicle behind the faulty vehicle. The vertical angle of the sign is 5° to the left of the vertical plane of the vehicle, and road is located 30 to 100 meters behind the faulty vehicle. The road is 100 meters behind the defective car 3. When you stop using, remove the left and right reflectors and supporting feet in the reverse order of opening, and then put them in the packing box. When picking up the mark, pay attention to the red reflective and fluorescent to avoid scratches. When connecting and disconnecting the left and right reflectors, push and pull in the direction of the slot to avoid damaging the marking plate.