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.

Use only the specified rear differential fluid. (Refer to "Recommended lubricants and capacities" in section 8.)

    See also:

    Exterior Excitement
    The 2009 Kia Optima is presented with new front, side and rear styling cues, which build upon Kia's philosophy of creating dynamic vehicles that evoke passion. The fog lamps and lower front grille ...

    Four wheel drive (4WD)
    Engine power can be delivered to all front and rear wheels for maximum traction. 4WD is useful when extra traction is required on road, such as, when driving on slippery, muddy, wet, or snow-cover ...

    Seats
    Front seat (1) Forward and backward (2) Seatback angle (3) Seat cushion height (Driver’s seat) (4) Lumbar support (Driver’s seat)* (5) Seat heater* (6) Headrest 2nd row seat (7) Seatback ...