 Cannot drive when snowing as transmission linkage freezes in Drive.  Have to carry cement blocks in bed so I can block wheels when frozen.  Have to wait til temp is above freezing to get into N or P to start.  Took to dealer. They didnt fix it - just thawed it out and gave it back to me.  Just got out of shop as a rock hit the underside of truck on a dirt road and punctured the gas tank ($700 to fix).  I own a $30K 4WD pickup that cannot be driven on dirt roads or in the snow - AWFUL.