2010 GMC Terrain Owner's Manual - Page 183

Infotainment System 4. After the call has been placed, press the MENU/SEL knob and choose Merge Calls. 5. To add more callers to the conference call, repeat Steps 1 through 4. The amount of callers that can be added are limited by your wireless service carrier. 6-45 Dual Tone Multi-Frequency (DTMF) Tones The in‐vehicle Bluetooth system can send numbers during a call. This is used when calling a menu driven phone system. 1. Press the MENU/SEL knob and select Enter Number. 2. Enter the character sequence, see "Entering a Character Sequence" in Operation on page 6‑7 for more information. using OnStar® Hands‐Free Calling, if available. Refer to the OnStar owner's guide for more information. The pairing process can be started by using the voice recognition system or the controls on the infotainment system. Pairing Information: . Ending a Call Press the MENU/SEL knob and select Hang Up. Up to five cell phones can be paired to the Bluetooth system. The pairing process is disabled when the vehicle is moving. The Bluetooth system links with the first available paired cell phone in the order the phone was paired. Only one paired cell phone can be connected to the Bluetooth system at a time. Pairing only needs to be completed once, unless the pairing information changes or the phone is deleted. . Muting a Call To Mute a Call Press the MENU/SEL knob and select Mute Call. To Cancel Mute Press the MENU/SEL knob and select Mute Call. Bluetooth (Voice Recognition) Pairing A Bluetooth cell phone must be paired to the Bluetooth system and then connected to the vehicle before it can be used. See the cell phone manufacturers user guide for Bluetooth functions before pairing the cell phone. If a Bluetooth phone is not connected, calls will be made . . .