Originally Posted by Kickaha
Yes, it's important to always remember that the magic little box on the dash doesn't know more than what your own eyes are telling you.
"Well golly, it *says* to drive right into that lake... I better do what it says, or who knows what might happen!?"
Definitely. Having lived in Wyoming and the Sierra Nevadas, I and my family know well enough to check road conditions for high-altitude passes year-round.