HomeAll RepliesReply To: 2009 Acadia Bluetooth Reply To: 2009 Acadia Bluetooth Sponsored March 13, 2015 at 6:46 am #88021 lroehrParticipant Did you turn the volume up on your phone while making the call? When using just your phone to make calls, you can turn the volume up/down depending on if it’s loud enough or not. Give that a try. Sponsored Subscribe to GM Authority For around-the-clock GM news coverage We'll send you one email per day with the latest GM news. It's totally free. First Name Last Name Email Address Subscribe via Email Leave this field empty if you're human: Sponsored