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 ...

Manual transaxle
Manual transaxle operation The manual transaxle has five forward gears. Press the clutch pedal down fully while shifting, then release it slowly. The gearshift lever must be returned to the ne ...

Engine coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once ...