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In reply to the discussion: This is bad. [View all]BobTheSubgenius
(11,563 posts)When I first read your OP, I thought 7 and 3 degrees...doesn't sound so bad. I forgot you don't use Celsius. I am now very concerned.
Filling the inside of your car with things that tend to be insulating, and fill up the spaces where cold air can live. This will also cut down on breathable air, so the advice above on that should be very carefully heeded.
Also, do not warm up your car to the point that you feel like reducing your clothing in any way. For one thing, your gas will last longer, and more importantly, it could be a vital step in not succumbing to exposure.
I wish I could give you my cold weather gear. I bought it when I was almost transferred to a place with EXTREMELY cold winters, but it fell through. So, I have very good winter gear that I never use.
I wish you the very, very best and will be looking for a followup from you.