2010 Hyundai Sonata Owner's Manual - Page 218

6 DO-IT-YOURSELFMAINTENANCE 4 GENERAL CHECKS G020A01NF-AAT G020C01A-AAT CHECKING THE ENGINE OIL G030A01A-AAT Engine Compartment The following should be checked regularly: o o o o o o o o o o o o Engine oil level and condition Transaxle fluid level and condition Brake fluid level Engine coolant level Windshield washer fluid level Accessory drive belt condition Engine coolant hose condition Fluid leaks (on or below components) Power steering fluid level Battery condition Air filter condition Engine vibration Vehicle Interior The following should be checked each time when the vehicle is driven: o o o o o o o o o o o o o o Lights operation Windshield wiper operation Horn operation Defroster, heating system operation (and air conditioning, if installed) Steering operation and condition Mirror condition and operation Turn signal operation Accelerator pedal operation Brake operation, including parking brake Manual transaxle operation, including clutch operation Automatic transaxle operation, including "Park" mechanism operation Seat control condition and operation Seat belt condition and operation Sun visor operation Engine oil is essential to the performance and service of the engine. It is suggested that you check the oil level at least once a week in normal use and more often if you are on a trip or driving in severe conditions. G030B01O-AAT Recommended Oil G020B01A-AAT Vehicle Exterior The following should be checked monthly: o o o o o o o o o o Overall appearance and condition Wheel condition and wheel nut torque Exhaust system condition Light condition and operation Windshield glass condition Wiper blade condition Paint condition and body corrosion Fluid leaks Door and hood lock condition Tire pressure and condition (including spare tire) G030B01JM-U If you notice anything that does not operate correctly or appears to be functioning correctly, inspect it carefully and seek assistance from your Hyundai dealer if service is needed. The engine oil quality should meet the following classification. API SL or SM, ILSAC GF-3 or ABOVE