See also:

Roomy New Interior
However, the Optima's quiet new interior is more upscale and will accommodate four tall adults, or five in a pinch. Front seats are supportive, and the rear-seat area is impressively roomy—alt ...

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. ...

Windows
Power windows (if equipped) (1) Driver’s door power window switch (2) Front passenger’s door power window switch (3) Rear door (left) power window switch* (4) Rear door (right) power windo ...