The detailer is finishing up today and over the course of three days has tried a couple of different products on different problem areas. Rather than the final coat being Pinnacle it is going to be Mckees RV wax.
One thing he is doing is on the windows he is using the following
https://www.amazon.com/dp/B01M7T3D99...I2PYI3RPEG2M34
The stuff is working very well for the black streaks that occur on the glass. I looked at the bottle and it says it removes black streaks from the side of RVs so I had to try a test spot. It worked with very little effort and even though it is abrasive there was no apparent scratching of the paint. It would require a follow-up with polish and wax, but it is another product to help remove black streaks.