Kia Optima (2009)

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    Windshield defrosting and defogging
    WARNING: - Windshield heating. Do not use the or position during cooling operation in extremely humid weather. The difference between the temperature of the outside air and that of the winds ...

    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 ...

    Air cleaner
    Filter replacement It must be replaced when necessary, and should not be cleaned and reused. Replace the filter according to the Maintenance Schedule. If the vehicle is operated in extremely d ...