See also:

Turning the Rear Vision Camera System Off or On
To turn off the rear vision camera system, press and hold , located on the inside rearview mirror, until the left indicator light turns off. The rear vision camera display is now disabled. To turn t ...

Steering Wheel Controls
For vehicles with audio steering wheel controls, some audio controls can be adjusted at the steering wheel. (Push to Talk): For vehicles with Bluetooth® or OnStar®, press to interact with th ...

Retrieve My Number
1. Push X. System responds: “OnStar ready.” 2. Say “My Number.” System responds: “Your OnStar Hands-Free Calling number is.” ...