See also:

Trailer towing
If you are considering towing with your vehicle, you should first check with your country's Department of Motor Vehicles to determine their legal requirements. Since laws vary the requirements for ...

Air cleaner
Filter replacement It must be replaced when necessary, and should not be cleaned and reused. Replace the filter according to the Maintenance Schedule. If the vehicle is operated in extremely d ...

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 ...