I would have to dress up and waste fuel to heat up the car. The felt temperature is -40 out there. My main advice is carry a book. You can nap anywhere if you

I would have to dress up and waste fuel to heat up the car. The felt temperature is -40 out there. My main advice is carry a book. You can nap anywhere if you have a thick book in your hands. "Oh, sorry. I was reading but fell asleep!"