Originally Posted by Robby3
Neither me ! On the H the power distribution to the front and rears is controlled electronically. Also the front diff is electronically controlled as well as the traction control is programmed for the AWD. Therefore the whole software for the distribution must be changed in the TCU. If not everything is done the professional way with knowledge of the programs you may in big danger driving the car as the behaviour is absolutely unknown.
IMHO, Just switch to Sport and you're on 80% RWD. And the option to trade it in for an RWD is always there.
+1 well put Robbie, that is absolutely spot on and exactly why the awd is needed.