I have the same issue as Vmontello. I have gotten into the habit of rolling down my window, just in case, but I shouldn't have to worry about that if everything worked correctly, right?
About a month after I got the truck, the camera froze while I was backing up in a parking lot. Since the image that was frozen was the car behind me, and about 3 feet away, I thought I had a couple feet to back up - nope. I ended up hitting the car behind me because of this! Luckly, I was going...