Kia Optima: First generation (MS; 2000–2005)

Second generation (MG; 2005–2010)

The second generation Optima, known as the Kia Magentis globally except the United States and Malaysia, and as the Kia Lotze in South Korea, was launched in South Korea in November 2005. ...

See also:

[CVVT System Mode]
(1) Low Speed / Low Load (2) Part Load (3) Low Speed / High Load (4) High Speed / High Load ...

Oil Cooler. Repair procedures
...

Repair procedures
On-vehicle Inspection • Check that the battery cables are connected to the correct terminals. ...