bluetooth problem

I purchased a 2013 Buick LaCrosse about two months ago with less than four thousand miles on it. The only problem that I've experienced in it (besides the trunk opening issue I just read about) is that every few days, the bluetooth function just disappears. Completely gone. It disappears from...

I have a 2010 LaCrosse. Recently I noticed that my smartphone was staying connected to the LaCrosse's Bluetooth long after the ignition was switched off. I park the car, go into my house or where I work, and I can't use the phone because it is talking through the car's Bluetooth! The only...