2. Insert the rubber hose connected with the water pipe into the water inlet of the water tank, turn on the tap water, and make the tap water continuously flow through the engine cooling system. During the flushing operation, let the engine run at idle speed and keep the above operation until the water tank releases clear water.
3. Turn off the tap water, and then turn off the drain valve of the water tank after the water in the cooling system is discharged.
4. Add antifreeze from the water inlet of the water tank, and add antifreeze to the water tank. Unscrew the cover of the liquid storage tank, add antifreeze, and reach the "Max" scale line, and be careful not to exceed the "Max" scale line.