cs2jz

every time i start my car up it plays the last source by default while it starts up. this is great! i usually have it on FM most of the time. so it plays the radio, but once it reads the USB device, it switches over to that. is this some auto play feature, can i turn it off??? it's really annoying when it changes audio by itself. besides the freakin 5 minute startups and the extreme slow response to touch comands, this unit is: so-so, not the greatest. better than stock i guess.

i just installed this unit in my 09 Malibu. I bought the GMOS-LAN04 unit to retain OnStar. Onstar still works, so that's good. But my stereo is not very loud either. All the way up is like half way on the factory stereo. i think i may need to adjust the dial on the interface box. but i thought that was just for the turn signals and onstar volume? i can hear very faint clicking when i have my turn signals on. everything works great, just not at all loud enough. ************ Ok so, there is a dial on the GMOS that adjusts the overall volume of the stereo. it also adjusts the volume of the