How does Buick Angkewei turn on the warm air?

Buick Angkewei can turn on the heater by directly turning on the fan to adjust the temperature. To turn off the air conditioner, you need to press the AC button. Starting the warm air is the heat released by the warm air tank, which recovers a lot of heat generated when the engine is running and radiates it to the carriage to realize heating. The length, width and height of Buick Angkewei are 4694mm, 1839mm and 1686mm respectively, and the wheelbase is 2750 mm It is equipped with a 7-speed dual-clutch gearbox with a top speed of 190 km per hour. The car's fuel tank volume is 66L, the maximum power 124 kW, the maximum power rotation speed is 5600 rpm, and the driving mode is the front wheel.