Kia Optima (2009)

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    Economical operation
    Your vehicle's fuel economy depends mainly on your style of driving, where you drive and when you drive. Each of these factors affects how many kilometers (miles) you can get from a liter (gallon ...

    Explanation of scheduled maintenance items
    Engine oil and filter The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the vehicle is being driven in severe conditions, more frequent oil an ...

    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 ...