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: Clutch Actuator Motor 1 (Odd Gear) Repair procedures
Inspection
1.
Turn off the ignition switch.
2.
Disconnect the clutch motor connector (A).
3.
Measure the resistance on the clutch motor terminal.
4.
Refer to the spec ...
Kia Cee'd JD Service Manual: Timing Chain Repair procedures
Removal
1.
Turn the crankshaft pulley clockwise, and align its groove with the
timing mark of the timing chain cover.
2.
Remove the timing chain cover.
(Refer to Timing System - "Timing Chain Cover")
...