See also:

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 the windshield could c ...

Gauges
Speedometer The speedometer indicates the forward speed of the vehicle. Tachometer The tachometer indicates the approximate number of engine revolutions per minute (rpm). Use the tachometer to ...

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 ...