See also:

OnStar® Steering Wheel Controls
Your vehicle may have a Talk/Mute button that can be used to interact with OnStar® Hands-Free Calling. On some vehicles, you may have to hold the button for a few seconds and give the command � ...

DIC Warnings and Messages
Messages are displayed on the DIC to notify the driver that the status of the vehicle has changed and that some action may be needed by the driver to correct the condition. Multiple messages may ...

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 1. Press . The system responds with “Ready” ...