Change to "winter weight" oil if necessary
In some climates it is recommended that a lower viscosity "winter weight" oil be used during cold weather. See section 8 for recommendations. If you aren't sure what weight oil you should use, consult an authorized HYUNDAI dealer.
See also:
Crankcase Emission Control System
The positive crankcase ventilation system is employed to prevent air pollution
caused by blow-by gases being emitted from the crankcase. This system supplies filtered
fresh air to the crankcase th ...
Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary.
An authorized HYUNDAI dealer should perform the operation. ...
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. ...