See also:

DRIVER-ORIENTED INTERIOR DESIGN
With the 2011 Optima, Kia has made big strides forward in the use of cabin materials, while interior layout and design are also strong points. Much like how the exterior conveys a dramatic message ...

Lighting
Battery saver function • The purpose of this feature is to prevent the battery from being discharged. The system automatically turns off the exterior lights when the driver removes the ignition ...

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 ...