I finished reading all 632 pages of the GV80 Owner's Manual, a masterpiece of boredom and restful sleeping (chapter 70 is amazing in this). What I did not see through my sleepy eyesw ism any coverage of the second sunroof and and coments on the ambient sound controls. There are microphones on the wheel wells to counter tire noise, and the engine noise can be also controlled to into the cabin. Nothing in the manual. Any ideas?