I ended up sending the amp out for repair and that solved my sound issue. As far as the Phoenix unit goes, it's being returned this week. For the money they charge, it should function as advertised out of the box.
I'll be exploring some other...
Just Installed one in a 2008. Have the following issues-
No backup camera
Temp control buttons on vents not working
No Volume (had low volume issue prior to install)
Spent an hour on phone with tech support with no resolution. Supposed to hear...