Rear electric defroster not working?

Got our 2012 package 5 lesss than a month ago, so we haven't had much opportunity to use the rear defroster. The two times I have used it I noticed that it works well on the upper rear window, but the glass below the rear spoiler doesn't seem to be clearing. The red/orange "wires" are visible in the glass, but don't appear to do anything. Anyone else have this issue? Wasn't planning to head back to the dealer until first service since we haven't had any other problems, but this could be annoying with the winter weather.

 

That's a shame. Not sure, but I think most of us look through that part of the window fairly frequently - especially those of us who are less than 5'7". I think I'll still have them check it since mine doesn't seem to work at all.

 

Didn't have this problem in the gen II (08). The wires are definitely farther apart on the gen III which makes sense why it would be less efficient. Mine just seems to be completely inefficient. Since I don't need to return to dealer for anything until next month maybe I'll get some more opportunity to "test" it. Clear skies and nice temps for the next several days so it is possible that I won't get much chance to test it before then.

 

Had to rely on the rear defroster more over the last few weeks. While the lower window doesn't clear well, it hasn't been as much of a problem as I originally thought. Part of the issue is that the lower window gets dirty faster when driving in nasty weather since it is vertical - just like the back window on the cap of my truck. Drive down the wet road a couple hundred feet and it is almost impossible to see through it. Maybe a washer and little wiper blades would help.