See also:

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

Air cleaner
Element replacement Have the air cleaner element checked and replaced in accordance with the maintenance schedule. NOTICE Do not drive with the air cleaner removed; this will result in excessi ...

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 ...