I know that when it's freezing, the LAST thing you want to do is properly clean off our car, well....enough where it won't get us a tickets!  According to trucking.org, if you can't see through your windshield or car windows, it's a hazard!  So, the little hole in the ice, isn't enough in these states (they have snow removal laws):

Alaska ~ Connecticut ~ Georgia ~ Massachusetts ~ Michigan ~ New Hampshire ~ New Jersey ~ Pennsylvania ~ Rhode Island ~ Tennessee ~ Wisconsin 

Photo courtesy:  gettyimages.com