See also:

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 ...

Cruise control system
The cruise control system allows you to program the vehicle to maintain a constant speed without pressing the accelerator pedal. This system is designed to function above approximately 40 km/h (2 ...