An improved service station car wash system. A car wash kiosk is coupled to the fuel dispenser communication loop in the forecourt of the service station so that the car wash kiosk appears to the service station controller just as a fuel dispenser would. The car wash kiosk sends a car wash request over...http://www.google.de/patents/US7201315?utm_source=gb-gplus-sharePatent US7201315 - Service station car wash
