I resynched the unit and that helped somewhat. It still happens but not as often. It seems to now be more of a "the unit doesnt realize its been turned off for a bit" issue now. It will power down but it takes about a minute for it to happen. It seems to be much less frequent after a did a resync.

On your whine issue, now that you mention it, my amp is grounded to a seatbelt bolt under the backseat. I had forgotten about that. I am using a JL Audio 300/4 amp to drive my whole system and it's also been in a couple of my older cars and been solid throughout. I'm really sold on the JL Audio stuff.