I might be missing something... A few people are talking about regularly preheating the car while it's still plugged in. This would make total sense to me if #1 you don't have to be in the seats to warm the seats and #2 you don't have to be moving for the friction plate to work. Am I wrong about...
I've only had mine a week now, so I'm admittedly new here, but I have noticed the same thing with the snow. I was going to grill the dealer about it when I bring it back for the heater issues and the yellow master warning light has been on since I pulled off the lot...