How often does Chevrolet Lefeng water tank add antifreeze?

Chevrolet Lefeng water tank antifreeze is added once every 2 years or 40,000 kilometers. The function of antifreeze in the water tank is to integrate cooling, antifreeze, boiling prevention, rust prevention and scale prevention. After use, a protective film is formed on the metal surface to fully protect engines, radiators, pumps and pipelines made of various materials from corrosion. The length, width and height of Chevrolet Lefeng are 4205mm, 1722mm and 1525mm, respectively, and the wheelbase is 2550 mm It is equipped with a 5-speed manual transmission with a top speed of 177 km per hour. The maximum power of this car is 83kW, the maximum power speed is 6000rpm, and the tyre size 175/70R 14.