See also:

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

Air conditioning system
Air Conditioning Switch (If installed) The air conditioning is turned on or off by pushing the A/C button on the heating/air conditioning control panel. Air Conditioning Operation for Cooling ...

Headlamp delay (if equipped)
If you turn the ignition switch to the ACC or OFF position with the headlights ON, the headlights (and/or tail lights) remain on for about 20 minutes. However, if the driver’s door is opened and c ...