Kia Optima (2009)

    See also:

    Air cleaner
    Filter replacement It must be replaced when necessary, and should not be washed. You can clean the filter when inspecting the air cleaner element. Clean the filter by using compressed air. Rep ...

    Acceleration and Power
    All Rio and Rio5 models have a 1.6-liter four-cylinder engine that makes 110 horsepower. A five-speed manual transmission is standard on the Rio sedan, and a four-speed automatic is available for ...

    Recommended lubricants and capacities
    To help achieve proper engine and powertrain performance and durability, use only lubricants of the proper quality. The correct lubricants also help promote engine efficiency that results in improv ...