Kia Optima: Air Bag Warning LightThe purpose of the air bag warning light in your instrument panel is to alert you of a potential problem with your Air Bag - Supplemental Restraint System (SRS).
Have the system checked if:

The Importance of the Passenger Being Properly Seated
Supplemental Restraint System ServiceEngine number
2.4 engine
2.0 engine
The engine number is stamped on the
engine block as shown in the drawing. ...
Installation
1.
Install the washer reservoir.
Before installing the pump motor, check the filter for foreign materi ...
Good braking practices
WARNING
Whenever you leave or park your vehicle, always set the parking brake
as far as possible and fully engage the vehicle's transaxle into the P (Park)
position. If the parking brak ...