See also:

Fuel recommendations
Use Unleaded Gasoline Unleaded gasoline with a Pump Octane Rating of 87 (Research Octane Number 91) or higher must be used in your Hyundai. WARNING: o Do not "top off" after the nozzl ...

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

2011 Hyundai Sonata review Warren Brown
This has to do with ethnic and national pride, lingering anger over past wrongs done by one side or another, and, from a historical perspective, the kind of raw hatred that long has proved fertile ...