I installed the upgrade last Tuesday and it went smoothly.  Everything seems to be working fine except one thing.  Every time I connect to Sync Services the system will ask me what service I would like then chime for my reply, but before I can reply the system shuts down totally and I get a black screen.  Few minutes later the system reboots itself and comes back on.  Just seems to be happening when I connect to Sync Services.  Shuts down every time.  So, I guess this will be my 3rd trip to the dealership to get it fix in less than a year.  Is anyone else having the same problem?