See also:

Interior lights
CAUTION Do not use the interior lights for extended periods when the engine is not running. It may cause battery discharge. Automatic turn off function (if equipped) The interior lights automat ...

Audio system
AM and FM radio signals are broadcast from transmitter towers located around your city. They are intercepted by the radio antenna on your car. This signal is then received by the radio and sent ...

Competitive Warranty
The 2009 Kia Optima is covered by Kia's comprehensive warranty program, which offers unprecedented consumer protection. Included in this program are a 10-year/100,000-mile limited powertrain warra ...