I bought a 2007 Tahoe at the beginning of last year and shortly after we noticed the sensor for the rear defroster fell off on the passenger side, we took it into Randy Wise on Clio Rd. in Flint Michigan on 3 separate occasions and they have failed to fix it as of yet, we've have been told twice that it may just be a "bad kit from GM", well it seems that we've gotten the worst three batches that GM makes, when I called today after waiting again for the truck to be fixed and the defroster wire falling off before I even made it... read full review »