Kia Optima: Seat belt warning (for driver’s seat)
The driver's seat belt warning light and chime will activate to the following table when the ignition switch is in "ON" position.

*1 Warning pattern repeats 11 times with an interval of 24 seconds. If the driver's seat belt is buckled, the light will stop within 6 seconds and chime will stop immediately.
*2 The light will stop within 6 seconds and chime will stop immediately.
Seat belt restraint system
Seat belt warning (for front passenger’s seat)Installation
1.
Connect the horn connector, then
reassemble the horn.
2.
Reassemble the front bumper.
...
Replacements
Movable glass Replacement
1.
Open the movable glass fully.
2.
Remove the folding cover (A).
3.
After loosening the mounting
screws, then remove the ...
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.
...