Kia Optima: Seat belts

Armrest

To use the armrest, pull it forward from the seatback. ...

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. ...

See also:

Side Airbag (SAB) Module Components and Components Location
Components ...

Key Reminder Warning Chime
If the driver’s door is opened and the ignition key is left in the ignition switch, the key reminder warning chime will sound. This is to remind you to remove your keys from the ignition before yo ...

Specifications
Specifications Front Suspension ItemSpecificationSuspension typeMacPherson StrutShock absorberTypeHPD (High Performance Damper)Coil springFree Height [I.D. color]299.5mm (11.79 in.) [White - Yel ...