Transfer case (4WD)

Checking or changing transfer case fluid
Have transfer case fluid checked or changed by an Authorized Kia Dealer according to the Maintenance Schedule at the beginning of this section.

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

    See also:

    Kia Sorento owners manual
    ...

    Kia Rio owners manual
    ...

    Impressive Warranty
    Hyundai is Kia's corporate parent, so the Optima gets Hyundai's impressive warranty; it includes 10-year/100,000-mile powertrain protection and 5-year/60,000-mile roadside assistance. Kia is put ...