See also:

Fuel requirements
unleaded fuel having a pump octane number ((R+M)/2) of 87 (Research Octane Number 91) or higher. Your new vehicle is designed to obtain maximum performance with UNLEADED FUEL, as well as minimize ...

Exterior feature
Roof rack (if equipped) If the vehicle has a roof rack, you can load cargo on top of your vehicle. NOTICE If the vehicle is equipped with a sunroof, be sure not to position cargo onto the roof ...

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 ...