i tried it. it wouldn't clean an even slightly dirty car. didn't dry streak free for that matter either. now i just put in my own liquid soap and use that to soap it up and hand wash at the same time, then turn the switch and rinse. chamois dry + water blade then wax.
“Arms discourage and keep the invader and plunderer in awe, and preserve order in the world as well as property…. Horrid mischief would ensue were the law- abiding deprived of use of them”