See also:

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 ...

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. ...

Multiple choices for wheels - all with Michelin tyres
Maintaining a policy adopted early in the original car's evolution, Kia continued to develop the new Kia cee'd chassis and running gear using Michelin tyres exclusively, so that its engineers coul ...