See also:

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” ...

OnStar Steering Wheel Controls
This vehicle may have a Talk/Mute button that can be used to interact with OnStar Hands-Free calling. See Steering Wheel Controls  for more information. On some vehicles, the Talk button can be ...

Heated Steering Wheel
(Heated Steering Wheel): For vehicles with a heated steering wheel, press to turn it on or off. A light on the button displays when the feature is turned on. The steering wheel takes about thre ...