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 ...

Recommended lubricants and capacities
To help achieve proper engine and powertrain performance and durability, use only lubricants of the proper quality. The correct lubricants also help promote engine efficiency that results in improv ...

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 ...