Kia Optima: Opening the Hood
1. Pull the release lever on the lower left side of the instrument panel to unlatch the hood.

2. Go to the front of the vehicle, slightly raise the hood, pull up on the secondary latch and lift the hood.
3. Raise the hood. It will raise completely by itself after it has been raised halfway.
Hood
Closing the HoodSide Airbag (SAB) Module. Components and Components Location
Components
...
Removal
1.
Disconnect the negative(-) battery
terminal.
2.
Remove the heater comtral module.
(Refer to the HA group - "Controller")
...
Inspection
Radiator Cap Testing
1.
Remove the radiator cap, wet
its seal with engine coolant, and then install it on a pressure tester.
2.
Apply a pressure of 93.16 ~ 122.58k ...