Kia Optima (2009)

    See also:

    Tires and wheels
    Tire care For proper maintenance, safety, and maximum fuel economy, you must always maintain recommended tire inflation pressures and stay within the load limits and weight distribution recommen ...

    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. ...

    Safety belts
    Pre-tensioner safety belt Your vehicle is equipped with driver's and front passenger's pre-tensioner safety belts. The purpose of the pretensioner is to make sure that excess slack is taken up ...