I was at a stop light the other day and had the drivers side window rolled down about half an inch and the truck facing toward the sun which was at a low angle and at about 10 oclock. I noticed that the whole top 3/8 inch of the window had fine vertical lines probably in whatever glass Nissan is using for windows, but didn't have time to check if the scratches are on the inside or outside.
As the truck only has 20,000K kms and these scratches are going to get continually worse I'm wondering if there might be any recourse to get Nissan to replace the window due to 'defective window glass hardness quality' or 'excessive window wear due to the sealing strip'. The windows including the leading top edge are kept clean so I think that what might be doing this is the sealing /brush strip along the door edge.