Kia Optima: Auto door lock/unlock feature (if equipped)

Impact sensing door unlock system (if equipped)

All doors will automatically unlock when an impact causes the air bags to deploy. ...

Speed sensing door lock system (if equipped)

All doors will be automatically locked after the vehicle speed exceeds 15 km/h (9.3 mi/h). And all doors will be automatically unlocked when you turn the engine off or when you remove the ignition ...

See also:

Lubricants
Engine Joint Lubricants Quantity Gasoline 2.0 T-GDI (AT) BJ GRB006 145g±10g TJ ...

Multimedia jack. Description and Operation
Description The multimedia jack on the console upper cover is for customers who like to listen to external portable music players like the MP3, iPod and etc., through the vehicle's sound syst ...

Balance Shaft & Oil Pump. Repair procedures
...