1. First, lift up the left and right speaker covers of the car and remove the screws; lift up the middle windshield, and then take out the screws; remove the two screws under the cigarette lighter.
2. Secondly, remove the screws in the glove box; remove the switch of the front cover and the screws on both sides of the horizontal bar; unplug the outer hose of the heater water tank; remove the heater. Saw the heater water tank.
3. Finally, remove the heater water tank and complete.