Did you check the pinned posts in this forum?Sorry for all the questions but everything I found online is for the older L322, mine is a 2010 ad top looks different. I see 1 possible way of cutting so I'll post pic and see what you think
the MY10-12 workshop manual is there along with the entire rave dump. You might find something useful in there for a D version L322.
THIS IS A WORK IN PROGRESS, I WILL BE USING SEARCH AND POSTING THE FAQ FROM A LIST PREVIOUSLY SENT TO ME BY FORUM MEMBERS. RAVE CD - RAVE contains the complete Workshop manuals for petrol and diesel variants. Overhaul manuals for petrol engines, transfer box and full wiring schematics, pinouts...