Having a lot of snow on your vehicle won't cause your car permanent damage, it's still important to clear your car before you drive away, the snow on your car could cause an accident for another. There are a few more things to be concerned about. The snow could damage not only your brakes by rusting them out, but it could also damage your car battery as well. The City's Streets and Sanitation Department do not promote putting yourself in a dangerous situation trying to shovel out snow on the street or in the ally. They have already set up a plan to fix that Streets and Sanitation say that if you plow ally ways it becomes dangerous because garage doors could collapse because there is nowhere for the snow to go. WAIT for help! stay safe and warm.