See also:

Fuel filler lid
Opening the fuel filler lid The fuel filler lid must be opened from inside the vehicle by pressing the fuel filler lid opener button on the driver’s door. (if equipped) NOTICE If the fuel fi ...

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. ...

Price Ranges
The base Optima LX is priced at $16,355 with a 4-cylinder engine and 5-speed manual transmission and an extra $1,295 with a 5-speed automatic. An LX V6 costs $19,345 and comes only with the automa ...