See also:

Drive shafts and boots
Check the drive shafts, boots and clamps for cracks, deterioration, or damage. Replace any damaged parts and, if necessary, repack the grease. ...

Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation. ...

Washing Your Hyundai
Never wash your car when the surface is hot from being in the sun. Always wash your car in the shade. Wash your car frequently. Dirt is abrasive and can scratch the paint if it is not removed. Ai ...