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 ...

Lighting
Battery saver function • The purpose of this feature is to prevent the battery from being discharged. The system automatically turns off the exterior lights when the driver removes the ignition ...

Efficient, Powerful Engine
Available in two powerplants - a 2.4-liter four-cylinder or a 2.7-liter V6 engine - and two five-speed transmissions (manual with LX four-cylinder model only), the 2009 Kia Optima introduces a new ...