It is operated by pressing the door lock/ unlock switch.
✽ NOTICE
Once the doors are locked with the transmitter or smart key, the doors cannot be unlocked with the central door lock/unlock switch.
WARNING - Doors
WARNING - Unlocked vehicles
Leaving your vehicle unlocked can invite theft or possible harm to you or others from someone hiding in your vehicle while you are gone. Always remove the ignition key, engage the parking brake, close all windows and lock all doors when leaving your vehicle unattended.
WARNING - Unattended children
An enclosed vehicle can become extremely hot, causing death or severe injury to unattended children or animals who cannot escape the vehicle. Furthermore, children might operate features of the vehicle that could injure them, or they could encounter other harm, possibly from someone gaining entry to the vehicle. Never leave children or animals unattended in your vehicle.
Kia Cee'd JD Service Manual: Hood Latch Release Handle Repair procedures
Replacement
1.
Using a screwdriver or remover, remove the hood latch release handle
(A).
2.
Install in the reverse order of removal.
...
Kia Cee'd JD Service Manual: Lane Departure Warning System (LDWS) Unit Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the mirror wiring cover (A).
3.
Remove the LDWS unit cover (A).
4.
Disconnect the LDWS unit ...