Aux power stays on when key removed

[Outintheback]

Hey all, 2003 470 nav. I am having an issue that I can't figure out. When I remove the key from the ignition, the radio stays on as well as marker lights like the shifter led. The radio will continue playing once the car is locked from the outside and the screen never turns off. I thought it might be a faulty ignition switch, but that didn't solve it. I started disconnecting the battery to see if it would reset but as soon as I attach the battery again the screen and radio turn on. The next things I can think of are faulty relays or grounds but I don't know where to look for those beyond the fuse box diagram. Has anyone heard of this happening or are there any forums anyone is familiar with? I can't find anything online. 

Thank you!