I got my f90bt installed in the middle of january and i never had any problems with it until this week. When i press the knob so VR will come up, nothing happens, the music stops playing and the info box on the bottom right corner just vanishes. i have to turn off my car then back on again to get the music to come on and to get the info display back i just have to go to the menu then back to the map and its all back to normal but still no music until i turn my car off...no matter how many times i try i cant get the voice command prompt to come up.
My other problem is that the unit hasn't b