7,500 miles (12,000 km) or 6 months

Inspect air cleaner filter Inspect vacuum hose
Replace engine oil and filter (7,500 miles (12,000 km) or 12 months)

    See also:

    Climate control air filter (in front of blower unit)
    (If installed) The climate control air filter is located in front of the blower unit behind the glove box. It operates to decrease the amount of pollutants entering the car. CAUTION: o Replace ...

    SAFETY
    The 2011 Sonata has been named a Top Safety Pick by the Insurance Institute for Highway Safety. To earn this safety nod, a car must receive the top score of Good in front-, side-impact, rear and r ...

    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. ...