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:

    Before driving
    Before entering vehicle: • Be sure that all windows, outside mirror(s), and outside lights are clean. • Check the condition of the tires. • Check under the vehicle for any sign of leaks. ...

    A safer drive thanks to new 'active' and 'passive' technology
    Kia invests heavily in R&D programmes directed at enhancing both the active and passive safety of its vehicles to deliver the highest levels of occupant protection. To ensure that owning and ...

    IS BIGGER BETTER?
    While we’d certainly argue that when it comes to cars bigger isn’t always better, the wider and longer Optima is now in line with its main competitors delivering added interior space. Rear sea ...