I've never driven extended distances in weather that cold. I once had to walk in -40 temps for about 40 minutes, and almost lost my toes! That Yukon Jack did not work nearly as well as I expected.

(I was in the great white north too, near Montreal.)

I would think Canadians would be Lobbying FOR global warming.

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1979 240D, 4spd manual, Power Sunroof, manual windows, 147k miles, Pastel gray/Black MB Tex.
1991 300D 2.5 - Smokes like it's on Crack!