Places and maintains decals on vehicles, checks and replaces batteries, rotates, repairs, and replaces tires, washes, polishes, and cleans interiors and exteriors of vehicles, drains, flushes, and replaces engine, transmission, and differential grease and oils, checks, cleans, calibrates, and replaces spark plugs, cleans and replaces oil and air filters. + Adjusts brakes, replaces windshield wipers, and similar minor parts, assists on major overhaul jobs by disassembling and cleaning parts, repairing components such as generators and water pumps, and replacing thermostats, points, electrical wiring and other items, maintains tools and equipment, and cleans work areas.