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 ...

Adjusting Armrest Angle (Driver's side only)
The armrest will be raised or lowered manually. To raise the armrest, pull it up. To lower it, press the armrest down. ...

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