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 ...

Windshield defrosting and defogging
WARNING: - Windshield heating. Do not use the or position during cooling operation in extremely humid weather. The difference between the temperature of the outside air and that of the winds ...

Ignition switch
Ignition switch and anti-theft steering column lock Ignition switch position LOCK The steering wheel locks to protect against theft. The ignition key can be removed only in the LOCK position. ...