Discussion Starter · #1 ·
I have a 2007 NNBS GMC Sierra, SLT. Truck came with a 6-disc changer with Bose. I recently swapped to a navi unit and the door chimes, and turn signal indicators are so loud you can't hardley stand it. I took it to the dealer to get a re-program and was told I can't help you. Surely there has to be a way to fix this issue? Help me please!