See also:

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

Fuel lines, fuel hoses and connections
Check the fuel lines, fuel hoses and connections for leakage and damage. Have an authorized HYUNDAI dealer replace any damaged or leaking parts immediately. ...

Air Conditioning Switch
The air conditioning is turned on by pushing the A/C button on the heating/air conditioning control panel. ...