
If the power door lock switch does not operate electrically, the only way to lock the door(s) is with the mechanical key from the outside key hole.
You can lock the doors without the outside key hole as follows:
1. Open the door.
2. Insert the key into the emergency door lock hole and turn the key horizontally to lock.
3. Close the door securely.
Mechanical keyKia Cee'd JD Service Manual: Components and components location
Component Location
1. Rear defogger relay (Built-in
smart junction box)
2. Windshield deicer switch (Rear defogger switch)
3. Windshield deicer
4. Deicer connector
...
Kia Cee'd JD Service Manual: Cooling Fan Repair procedures
Removal and Installation
1.
Disconnect the battery negative terminal.
2.
Remove the air cleaner assembly.
(Refer to Intake and exhaust system - "Air Cleaner")
3.
Remove the battery tray. ...