15 how to remove the water tank clip of Buick Hideo heater?

Buick Hideo's water tank replacement method is to remove the front bumper, condenser and water tank rack of the vehicle, and then remove the water tank and replace it with a new one. Lavida water tank is in the front engine compartment, near the engine.

Need to go to 4S shop or repair shop for disassembly and replacement.