Can only be used for the following services: 1. Oil and Filter change-Using Synthetic Oils (On older models Castrol 20W50 traditional). 2. Check all exterior lamps and horn operations. 3. Check all fluid levels (oil, ATF, Diff., P/S, coolant, brake, level, control, w/w, battery, a/c, clutch, etc. 4. Check air in tires-adviseof any wear problems. 5. Visual check of belts, brakes, hoses, shocks, etc. 6. Check and advise of any fluid leaks. 7. Check front end for wear-advise. 8. Check rear end for wear-advise. 9.Check throttle for ease of movement. 10. Check flex disc for wear. 11. Check windshield wipers and washers and advise.