Please Do Not Bother the Attendant, He knows Nothing of the Sale. Six Bay Self Service Car Wash for Sale. 5- Self Service Bay and 1 - Touchfree Automatic System. New Karcher Touchfree In-Bay Automatic System installed in 2024. Updated Car Wash Equipment. Contact Listing Broker for any Additional Details. A Backlit illuminated monument sign is located on the northwest corner of the driveway entrance to the car wash on South Chambers Way. The car wash facility was originally constructed in 1994. The Car Wash is a well-designed and well-built high-volume self-service commercial car wash facility with excellent customer car queueing for all wash bays and good visibility from East Quincy Avenue.