Audio system

See also:

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

Tire Pressure Monitoring System (TPMS)
Low Tire Pressure Telltale TPMS Malfunction Indicator Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the ...

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