Kia Optima: Opening the hood
1. Pull the release lever to unlatch the hood. The hood should pop open slightly.
WARNING
Open the hood after turning off the engine on a flat surface, shifting the shift lever to the P(Park) position for automatic transaxle and to the 1st(First) gear or R(Reverse) for manual transaxle, and setting the parking brake.

2. Go to the front of the vehicle, raise the hood slightly, pull the secondary latch (1) inside of the hood center and lift the hood (2).
3. Raise the hood. It will raise completely by itself after it has been raised about halfway.
Hood
Closing the hoodAutomatic Operation
The FATC (Full Automatic Temperature Control) system automatically controls the
heating and cooling by doing as follows:
1. Push the "AUTO" switch. The indicator light will come on confir ...
Lumbar support (for driver’s seat)
Press the front portion of the switch to increase support, or the rear portion
of the switch to decrease support. ...
Input Speed Sensor. Schematic Diagrams
Circuit Diagram
...