If you’re like most people, you probably don’t know how to wash your car at a self-service station. In this article, we’ll teach you the basics of how to wash your car at a self-service station. First, make sure that you have the necessary supplies: soap, water, and a washing machine. Next, take your car into the washroom. Be sure to put on a clean shirt and pants before starting the wash. Once the wash is complete, take your car out of thewashroom and dry it off. Finally, put your car back in its original condition by putting it in the garage or parking lot and closing the door.