Issue with phone
I have an aftermarket Nav/phone unit in my truck (2012 Sierra). Everything has worked correctly in the Nav as well as the phone (through my cell phone) until a couple months or so ago. I started...
Forum Discussion
One inconvenient thing to try. Disconnect the battery in your truck and leave it that way overnight. When you hook it back up you will have to reset everything. You may even have to repair to your aftermarket Nav/phone unit. That may get you back to the original condition of working.
