Muting a Call
During a call, all sounds from inside the vehicle can be muted so that the person on the other end of the call cannot hear them.
• To mute a call, press 
, and then say “Mute call.” . To cancel mute, press , and then say “Un-mute call.”
See also:
Vehicles without Navigation System
The rear vision camera system is designed to help the driver when backing up by displaying a view of the area behind the vehicle.
When the key is in the ON/RUN position and the driver shifts the vehi ...
Roadside Assistance Program
As the owner of a new GMC, you are automatically enrolled in the Roadside Assistance
program. See Roadside Assistance Program (U.S. and Canada) on page 13‑7 or Roadside
Assistance Program (M ...
End a Call
Push . System responds: “Call ended.” ...