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:

    Cruise control system
    The cruise control system allows you to program the vehicle to maintain a constant speed without resting your foot on the accelerator pedal. This system is designed to function above approximatel ...

    Theft-alarm system
    Theft alarm system will not operate when the ignition key is in the ignition switch. If the lock button on the transmitter is pressed when the key is not in the ignition and any vehicle door or ...

    2006 Kia Optima
    Far more buyers of reasonably priced economy-oriented cars are likely to notice the much-improved revamped 2006 Kia Optima midsize sedan. The new Optima has slicker styling, more power and added s ...