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:
Interior features
Cigarette lighter
For the cigarette lighter to work, the ignition
switch must be in the ACC position
or the ON position.
To open the cover, press the cover and it
will slowly open.
To use the ...
Interior Refinement
The style makeover continues into the Optima's cabin with expanded
electronics melded with refreshed fascia patterns and color schemes. Based on a
new platform, the standard audio system features ...
Climate control air filter
Filter inspection
The climate control air filter should be
replaced according to the maintenance
schedule. If the vehicle is operated in
severely air-polluted cities or on dusty
rough roads for a ...