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: Sub Frame Repair procedures
Replacement
1.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the front wheel and tire (A) from front hub.
Tightening torque :
88.2 ...
Kia Cee'd JD Service Manual: Filler-Neck Assembly Repair procedures
Removal
1.
Lift the vehicle.
2.
Disconnect the fuel filler hose (A), leveling hose (B) and the ventilation
hose (C).
3.
Open the fuel filler door and then remove the filler-neck installation
...