Where is the back heating box of JAC Ruifeng's house?

The rear heating box of JAC Ruifeng family is under the seat of the car, and there is an air outlet under it. Jianghuai Ruifeng water tank position, open the cover, the fan is fixed on the water tank, you can see a place with a cooling night, and there is a cover on it, which is the water tank cover. The water tank is an important part of the water-cooled engine.