The Onksera antifreeze is replaced every two years with a replacement capacity of 4L. The course of replacing Onksera antifreeze is as follows: 1. Let the vehicle stand for half an hour to cool the high-temperature antifreeze that has just stopped circulating. 2. Screw the water valve open at the bottom of the water tank until the antifreeze is completely discharged from it. 3. Put the vehicle in neutral gear and run. At the same time, pour clean water into the antifreeze tank until the discharged water flow is colorless