That mode works well if it's just hovering around 0 or so. Shifter hand stays warm and left hand on the wheel, keeps your thighs warm too, it's great.

Haven't tried it in the summer yet, I suspect it wouldn't work as well with the A/C

 

you would be surprised wing. It is not bad at all in the summer months. Keeps some cool air goin up the shorts to prevent the infamous swamp-ass!