Disconnecting the door handle cable is pretty simple.
How to remove rear door panel on 2013 f150.
The door panel is almost ready to come off at this point.
Remove the exposed bolt using the 8 mm socket.
This picture shows one of the screws at the bottom of the door panel that hold it to the door.
Remove the two bolts at the bottom of the door panel using the 6 mm socket.
Looking to remove your factory interior door panels.
Remove all screws at the bottom of the door panel.
Lift the door panel up to disengage the tabs that hold it in place.
Video shows how to remove a rear door panel.