vehicle maintenance and repair, namely, tune-ups, alignments, packing or replacing wheel bearings, replacing worn chassis components, repair and replacement of tires, installation of mufflers, replacement of brakes, engine repair, transmission repair, rotation and balancing of tires, radiator repair, clutch replacement and repair, air conditioning maintenance and repair, and rebuilding and repair of engines; electronic and electrical systems repair; and vehicle preventive maintenance, namely, lubricating chassis, changing motor oil, changing oil filter, changing gas filters, changing air filters, refilling transmissions, refilling differentials, refilling brake reservoirs, refilling power steering reservoirs, refilling radiators, refilling windshield washers, refilling battery to proper fluid levels, changing windshield wiper blades, inflating tires to proper pressure; consulting services including inspection, testing, analysis, and evaluation of vehicle performance problems and vehicle reliability