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.
Kia 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 Owners Manual: Driving at night
Because night driving presents more
hazards than driving in the daylight, here
are some important tips to remember:
Slow down and keep more distance
between you and other vehicles, as it
may be more difficult to see at night,
especially in areas where there may
not be any street ...