See also:

Seat Cushion Height Adjustment (Driver's Seat only)
To raise or lower the front part of the seat cushion, turn the knob forward or rearward. ...

Spark Plugs
Make sure to install new spark plugs of the correct heat range. ...

Front Fog Light (If Installed)
NOTE: It is recommended that the front fog light bulb be replaced by an authorized Hyundai dealer. ...