To keep the locks from freezing, squirt an approved de-icer fluid or glycerine into the key opening. If a lock is covered with ice, squirt it with an approved de-icing fluid to remove the ice. If the lock is frozen internally, you may be able to thaw it out by using a heated key. Handle the heated key with care to avoid injury.
Kia Cee'd JD Service Manual: Rear Wiper Motor Repair procedures
Inspection
Rear Wiper Motor
1.
Remove the 4P connector from the rear wiper motor.
2.
Connect battery positive (+) and negative (-) cables to terminals 3
and 4 respectively.
3.
Check that the motor ...
Kia Cee'd JD Service Manual: Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Open the tailgate and remove the tailgate trim.
(Refer to Body - "Tailgate Trim")
3.
Disconnect the back view camera connector ...