See also:

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 ...

By the numbers
The Kia Optima is a five-seat mid-size segment passenger car that has an interior that the EPA will probably consider a full size interior. Longer, lower and wider than the vehicle it replaces, it ...

Air bag - supplemental restraint system
* The actual air bags in the vehicle may differ from the illustration. (1) Driver’s front air bag (2) Passenger’s front air bag (3) Side impact air bag (if equipped) (4) Curtain air bag (if ...