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:

Canister Close Valve (CCV). Schematic Diagrams
Circuit Diagram ...

Glass antenna
When the radio power switch is turned on while the ignition switch is in either the “ON� or “ACC� position, your car will receive both AM and FM broadcast signals through the antenna in ...

Removal
1. Disconnect the negative (-) battery terminal. 2. Remove the driver crash pad lower panel.(Refer to the BD group - "Crash pad") 3. Rem ...