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 ...

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 ...

Lubricants and fluids
Checking the washer fluid level The reservoir is translucent so that you can check the level with a quick visual inspection. Check the fluid level in the washer fluid reservoir and add fluid if ...