How to open the water tank cover of old Buick Regal?

Press the water tank cover and turn it to the right to open the water tank cover.

Buick New Regal's water storage tank is on the right side of the engine room, a plastic teapot with bright red solution in it.

Buick Regal gathers GM's global advanced technology, inherits traditional advantages, and meets the growing demand of consumers for cars in the new era.