I work until 5 pm every day and I'd like to get my car washed and be at least mostly clean by Saturday morning, since I'll be going to a local scooby meet and installfest. Unfortunately, I'll be busy until the sun goes down tonight and Friday. I always hand wash my car, so are using the "wash your car yourself with the power hose" car washes ok? I definitely won't use an automated one. Anyone have any thoughts?