Frederick Shell Self Serve Carwash offers clean, well-maintained bays with great features like brush application and dry-off air nozzles. Customers can pay with quarters, paper money, debit, credit, or tokens, and use hot water during winter. The wash bays are convenient for rinsing, soap application, and pressure washing rims and tires. Prices are affordable, with a typical 5-minute rinse costing around $3.00, making it easy to quickly clean salt, dirt, and grime from vehicles.