Here are some important points if you decide to pull a trailer:

M/T : Manual transaxle
A/T : Automatic transaxle
DCT : Dual clutch transmission
Maintenance when trailer towing
Weight of the trailerKia Cee'd JD Service Manual: Power Outside Mirror Switch Repair procedures
Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Remove the the crash pad garnish [LH] (A).
(Refer to Body - "Cluster Fascia Panel")
3.
Check for continuity ...
Kia Cee'd JD Owners Manual: Applying the shackle on the guide rail
Put the shackle (A) in the position
where the shackle is put in the rail.
To move the shackle, press the button
(1) and move the shackle along the rail.
Make sure the shackle is clicked into
place.
To fix the luggage, pull up the hook (2)
in the middle cargo bay.
Now you can ...