Kia Optima: Second generation (MG; 2005–2010)

First generation (MS; 2000–2005)

From 2000-2005 Optimas were a rebadged variant of the Hyundai Sonata, differing only from the Sonata in minor exterior styling details and equipment content. ...

Third generation (TF; 2011-present)

The completely redesigned Optima features a much sleeker, sportier profile designed by new Kia design chief Peter Schreyer. ...

See also:

Components and Components Location
Components Location 1. Automatic transaxle 2. Valve body assembly 3. Oil pump assembly ...

Tripmeter (If equipped)
TRIP A : Tripmeter A TRIP B : Tripmeter B The tripmeter indicates the distance of individual trips selected by the driver. Tripmeter A and B can be reset to zero by pressing the mode selection but ...

Inspection
Sprockets, Chain Tensioner, Chain Guide, Chain Tensioner Arm 1. Check the camshaft sprocket and crankshaft sprocket for abnormal wear, cracks, or damage. Replace as necessary. ...