See also:

Fuel requirements
Gasoline engine (unleaded) Your new Kia vehicle is designed to use only unleaded fuel with a minimum Octane Rating of 87 Anti-Knock Index (AKI). NOTICE NEVER USE LEADED FUEL. The use of leaded ...

Engine oil
Checking the engine oil level 1. Be sure the vehicle is on level ground. 2. Start the engine and allow it to reach normal operating temperature. 3. Turn the engine off and wait for a few minute ...

Safety-Minded
As with the rest of the Kia line-up, the 2009 Kia Optima is equipped with many safety features as standard equipment. This includes six airbags (dual advanced front and front-seat mounted side as ...