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:
Tires and wheels
CAUTION
When replacing tires, use the same
size originally supplied with the
vehicle.
Using tires of a different size can
damage the related parts or make it
work irregularly. ...
DRIVER-ORIENTED INTERIOR DESIGN
With the 2011 Optima, Kia has made big strides forward in the use of cabin
materials, while interior layout and design are also strong points. Much like
how the exterior conveys a dramatic message ...
Automatic climate control system
1. Temperature control knob
2. A/C display
3. Fan speed control knob
4. AUTO (automatic control) button
5. Mode selection button
6. Air conditioning button
7. Front windshield defrost button
...


