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: DC DC Converter Repair procedures
Removal
1.
Disconnect the battery negative terminal.
2.
Remove the glove box housing.
(Refer to Body - "Glove Box Housing")
3.
Disconnect the DC/DC converter conector (A).
4 ...
Kia Cee'd JD Service Manual: Immobilizer Control Unit Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - " Crash Pad Lower Panel")
3.
Disconnect the connector of the immobilizer un ...