Actually, a good friend of mine has been in the glass business for quite some time.
Those things are nothing but possible trouble for your windshield...think about all the heat that thing reflects and gets trapped in the small area between your little light guard and the windshield.
Yay, cracked.
Seen it, I'd just live with cracking the windows and getting darker tint...and a brow that goes down pretty far....orr...car cover?