BYD Dolphin's new battery is dead. Can the door be opened?

Yes BYD Dolphin is a pure electric small car owned by BYD. The door can be opened without electricity, and it can be opened with the mechanical key in the remote control. BYD Co., Ltd., founded in 1995 and headquartered in Shenzhen, Guangdong, China, is a high-tech private enterprise with three industrial clusters of IT, automobile and new energy.