See also:

Pairing
A Bluetooth&-enabled cell phone must be paired to the Bluetooth system and then connected to the vehicle before it can be used. See your cell phone manufacturer's user guide for Bluetooth ...

Unable to Connect to OnStar Message
If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push to try the call again or try again after driving a few miles into another ce ...

Three-Way Calling
Three-way calling must be supported on the cell phone and enabled by the wireless service carrier. 1. While on a call, press . 2. Say “Three-way call.” 3. Use the dial or call command to dial th ...