Re: EA 3 slotted panels on turret
it called the C-Pillar for a start
the one at the windscreen is the A-pillar, the one between the door's is the B-pillar, and then the C-pillar, but that aside.
Open the rear doors, see the screws there, undo them, pretty sure on that.
I did put something here, but it vanshied, I think
"So long and thanks for all the fish!"