Kia Optima (2009)

    See also:

    Indicator symbols on the instrument cluster
    For more detailed explanations, refer to “Instrument cluster� in section 4. ...

    Rear differential (4WD)
    Checking or changing rear differential fluid Have rear differential fluid checked or changed by an Authorized Kia Dealer according to the Maintenance Schedule at the beginning of this section. ...

    Cruise control system
    The cruise control system allows you to program the vehicle to maintain a constant speed without pressing the accelerator pedal. This system is designed to function above approximately 40 km/h (2 ...