Hyundai Sonata (2011)

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    Ventilation
    To operate the ventilation system: o Set the air intake control to "Fresh" mode (). o To direct all intake air to the dashboard vents, set the airflow control to "Face" (). ...

    22,500 miles (36,000 km) or 18 months
    ❑ Inspect air cleaner filter ❑ Inspect vacuum hose ❑ Replace engine oil and filter (22,500 miles (36,000 km) or 36 months) ...

    Bi-level heating
    Your Hyundai is equipped with bi-level heating controls. To use this feature: o Set the air intake control to the fresh air () position. o Set the air flow control at the bi-level () position. ...