See also:

Side Repeater Light
If the light bulb is not operating, have the vehicle checked by an authorized Hyundai dealer. ...

Instrument panel light control (rheostat)
The instrument panel lights can be made brighter or dimmer by turning the instrument panel light control knob. ...

Vapor Hose and Fuel Filler Cap
The vapor hose and fuel filler cap should be inspected at those intervals specified in the maintenance schedule. Make sure that a new vapor hose or fuel filler cap is correctly replaced. ...