OK a search of some manuals have given me the following two explanations. Neither of them make any sense to me though... but may help others.
Removal of the front door lock assembly
1 Remove the door interior trim panel.
2 Undo and remove the screws securing the door inner remote control handle to the door
panel.
3 Undo and remove the screws securing the interior lock control to the door panel
4 Undo and remove the screws securing the door lock to the side of the door
5 Slide the door lock out of its location in the door and carefully release the two small
circlips securing the remote control handle and interior lock operating rods to the door
lock assembly.
6 Lift away the door lock, then withdraw the remote control and interior lock control from
the door panel.
Removal of front door exterior handle
1 Remove the door interior trim panel.
2 Undo and remove the screws securing the interior lock control to the inner door panel.
3 Undo and remove the screws securing the door lock assembly to the side of the door,
and move the lock up at the bottom and away from the door.
4 Undo and remove the screws securing the exterior handle to the door and lift the handle off
With the handle removed, the lock barrel and push button can be withdrawn as follows:
5 Prise off the retaining clip securing the lock barrel to the handle.
6 Insert the key into the lock and withdraw the lock barrel.
8 Undo and remove the screw securing the retaining plate to the exterior handle.
9 Lift off the retaining plate, operating link, washer, and spring. Now withdraw the push
button.
Hey there, any key hoarders this side of Mudgee?? 
I scored some NOS Clubby door locks with key for $10 today. Thats $10 for both!