How to remove the iron clamp of Tiguan heater water tank

There are three steps to remove the Tiguan heater water tank iron clamp.

1. Unscrew the lock of the iron clamp of the heater water tank and remove it from the slot of the iron clamp.

2. Take a pair of small pliers, unscrew each screw of the iron clamp, and remove the iron clamp from the water tank.

3. Take a wrench, loosen the nut of the iron clamp, and remove the iron clamp from the water tank.