See also:

Indicator symbols on the instrument cluster
For more detailed explanations, refer to “Instrument cluster” in section 4. ...

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 ...

Climate control air filter
Filter inspection The climate control air filter should be replaced according to the maintenance schedule. If the vehicle is operated in severely air-polluted cities or on dusty rough roads for a ...