not sure if you going to be back, but the place you are likely to break them on removal is along the roof line there are two small standoffs pressed in to the roof panel about 80cm apart, i used one of the blade style removal tools and hit the standoff pushed the tool up and cracked the screen( was already damaged but this split it in two )
Also there are two plastic clips that set the height of the windscreen at the bottom but you will see these with the wiper panel removed, i think you would have a good chance of removal with the abrasive wire cutting tool.
once you have cut three sides out you can tilt the screen and access the last part with a stanley knife.
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