Kia Optima: Air Bag System ComponentsThe main components of your SRS are:

To indicate that your vehicle is equipped with driver’s and passenger’s side air bags, the air bag covers on the steering wheel and on the dashboard are marked “SRS AIR BAG.

Passenger’s side air bag
The Importance of Using Safety Belts
How the Driver’s Air Bags (SRS) WorkInspection
1.
Measure terminal-to-terminal
resistance of the blower resistor.
2.
measured resistance is not within
specification, the blower resistor must be replaced. (After re ...
Immobilizer Control Unit. Repair procedures
Replacement
1.
Disconnect the negative (-) battery
terminal.
2.
Remove the crash pad lower panel.
(Refer to the BD group - "Crash pad")
3.
...
Inspection
1.
Disconnect the negative (-) battery
terminal.
2.
Remove the roof trim.(Refer
to the BD group - "Roof trim")
3.
Disconnect the panoram ...