Personally, most of my driving is on hard hot asphalt or concrete in the southern US, however, last year on the way to C.E.S. in vegas, we stopped of at the Grand Canyon, and there was about 2 ft of snow on the ground, and I had no problems at all driving, even off road.

Check it out:
http://www.pagerize.com/soundjamz/im...87099-R1-7.jpg

Rickster