One of the most useful tips was omitted:
If you find salt being used on the roads - MOVE! Chemical deicers are a severe threat, not only to the life of your car, but to your wallet as a local taxpayer. If the local officials are so stupid that they can't provide motorists with a sensible means of gaining driving traction in inclement weather then you are much better off taking you and your loved ones to a more hospitable area.