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

*1 The seat belt warning light will go off if the vehicle speed decreases below 5 km/h (3 mph). If the vehicle speed increases above 5 km/h (3 mph), the warning light will blink again.
✽ NOTICE
Seat belt warning (for driver’s seat)
Seat belt - Driver's 3-point system with emergency locking retractorDriver Airbag (DAB) Module and Clock Spring. Components and Components Location
Components
1. Driver Airbag (DAB)
2. Steering Wheel
3. Clock Spring
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Input Speed Sensor. Schematic Diagrams
Circuit Diagram
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Winter Driving
We recommend that you carry emergency equipment, including tire chains,
a window scraper, windshield de-icer, a bag of sand or salt, flares, a small
shovel and jumper cables.
Make sure you ...