See also:

INSTRUMENT PANEL LIGHT CONTROL (RHEOSTAT)
The instrument panel lights can be made brighter or dimmer by turning the instrument panel light control knob. ...

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

Do-It-Yourself Maintenance
If you are mechanically inclined, own a few tools that are required and want to take the time to do so, you can inspect and service a number of items. For more information about doing it yourself, ...