How does Yun Qi 2 check the heating pipe?

Check whether the heater switch of the car is correct and whether it is set to the hot windshield. Yun Qi 2 Check the heater pipe, check whether the heater switch of the car is correct, and adjust it to the hot windshield. Make sure that the heater switch is correct before the next inspection. The warm water pipe is a pipe that brings the heat of the engine to the car through the "water" in the car water tank to keep the car warm. Usually one in and one out. If it is not installed correctly, it may make the water flow too smooth and will not have much impact.