Originally Posted by tomcat

Well I didn't know I had climate comfort glass until reading this thread. I have the two cutouts up top and one on the bottom. I just happened to put my toll transponder on one of them, so it works fine. Factory nav has no issues. I suppose my test drives were spaced enough to where I didn't see a difference in the glass. It is PPG, but cannot find any p/n that matches what realoem shows.

Scott