I have a 2004 Suburban with the Bose system. Sometimes when we start it there is no sound for the radio. It all works just no sound. The sound doesn't work with the DVD player either. If I turn the vehicle off completely the sound will come back on.

Also the four wheel drive indicator goes into neutral. The suburban drives just fine when it says its in neutral. It wont shift back to 2hi unless I do it the way the manual says.

Any help or ideas would be much appreciated Thanks