Auto Spa Self-Serve Car Wash. Two London Locations! Each Auto Spa location features multiple wash bays offering coin - and token-operated systems that will help you give your car or truck a quick clean, a full spa treatment, or something in between, it's up to you. Get Your Wash, Your Way! This location features 8 self-serve wash bays, an oversized truck bay and Air Shammee Units to dry your vehicles spot-free. Auto Spa is committed to using products that are gentle on the environment and on your vehicle!