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 ...

Audio system
Antenna Roof type antenna If your vehicle has an audio system, an amplifying antenna is installed in your vehicle. This antenna can be removed from the vehicle when you wash your vehicle. NO ...

Battery
WARNING - Battery dangers Always read the following instructions carefully when handling a battery. Keep lighted cigarettes and all other flames or sparks away from the battery. Hydrogen, a h ...