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
WARNING
For maximum restraint system protection, the seat belts must always be
used whenever the vehicle is moving.
Seat belts are most effective when seatbacks are in the upright position.
...
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 ...
See also:
Proper Use and Care of the Safety Belt System
To ensure that the safety belts provide the maximum protection, please follow
these instructions:
Use the belts at all times - even on short trips.
If the safety belt is twisted, straighten it ...
Instrument Cluster (Automatic Transaxle)
...
Knock Sensor (KS). Description and Operation
Description
Knocking is a phenomenon characterized by undesirable vibration
and noise and can cause engine damage. Knock Sensor (KS) is installed on the
cylinder block and senses engine knockin ...