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” ...

Express Window Operation
Windows with an express-up or down feature allow the front windows to be lowered or raised without holding the switch. Rear windows only have express-down. Pull a window switch up or push it down ...

Hands-Free Calling
1. Push . System responds: “OnStar ready.”. 2. Say “Dial.” System responds: “Please say the name or number to call.”. 3. Say the entire number without pausing, including a “1” ...