How does Elantra change antifreeze? How much l do you need to add and how to vent?

Elantra needs 4.5 liters of antifreeze to replace antifreeze. The specific operation steps of replacing antifreeze and emptying the water tank are as follows:

1. Open the cover of the water tank.

2. Unscrew the waterproof screw at the bottom of the water tank.

3. Release the antifreeze, and then screw back the waterproof screw.

4. Fill the water tank with antifreeze.

5. When the engine runs without the water tank cover, the gas in the cooling system will be exhausted from the water tank cover.

6. Cover the water tank.