See also:

Center Console Storage
Push the button (A) to access the storage or accessory power outlet under the armrest. See Power Outlets  for more information. Some vehicles might also have input jacks for auxiliary devices ...

Storing Name Tags
The system can store up to thirty phone numbers as name tags that are shared between the Bluetooth and OnStar systems. The system uses the following commands to store and retrieve phone numbers ...

Customization Button
(Customization): Press the customization button to access the VEHICLE SETTINGS menu and customize the settings to your vehicle. ...