You will need: all the tools needed to remove the tailgate trim and a wrench «on 10».
1. Raise the glass and remove the upholstery of the rear door (see «Removal and installation of an upholstery of a back door»).
2. Turn off two nuts of fastening of the external handle...
3.... by lifting the key of the handle...
4.... remove the handle from the socket in the door...
5.... by turning the handle 90°, disconnect the lock drive rod from its lever and remove the handle.
6. Install the rear door exterior handle and all removed parts in the reverse order of removal.