52,500 miles (84,000 km) or 42 months

❑ Inspect air cleaner filter ❑ Inspect vacuum hose ❑ Replace engine oil and filter (52,500 miles (84,000 km) or 84 months)

    See also:

    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 ...

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

    Emission control system
    Your Hyundai is equipped with an emission control system to meet all requirements of the U.S. Environmental Protection Agency or California Air Resources Board. There are three emission control sy ...