Yeah I also thought the Bluetooth could have over ridden the nav. I'm going to call American Muscle tomorrow and see what may be going on.
I'm looking at this system as well...any updates from your convo with AM?
2013 Mustang GT Premium w/ Track Package; Transformers Barricade Updated Theme; Roush Clone
Roush CAI, Roush Coil Covers; K-series lowering springs
Custom Graphics, Custom LEDs, NightOwl LED control system
2010 Camaro 2SS/RS Bumblebee Clone