Prius V water leak inside cabin

Recently, after a heavy rain I noticed water coming down from roof area near rear view mirror.
I think that is a broken seal on the upper side of the windshield. I tried to access area, but from outside the car I had no success. It appears that the upper mold is glued, but I am not sure, I was afraid to force it.
From the inside, I don't know how to disassemble the map light assembly, and I am not sure if I can access area where the leak is.
Anybody has some info on this? Or some detailed documentation?
In the picture attached, with red arrow is the thing I called it "upper mold" Sorry if I am wrong.
With green, it's the area where the water comes inside.

 

This morning I discovered the exact location of leaking.
I cleaned it very well with alcohol and applied a glass adhesive mastic.
No need to call a glass company, it seems a job very easy to do.
In attach pictures before and after applying mastic.