How do you adjust the driver seat without power?

Hello, Unfortunately, no. If you want to move the seat, but there is no power to the seat, you can power the seat from an outside power source to adjust it, then leave it unplugged. If you adjust the seat, but plug the electrical connector back in, there is a chance it will operate on its own when conditions change. The water leak should be addressed. Seals in the trunk floor, or the trunk lid may be at fault.