Turning the System On or Off
VOL/ 
(Volume/Power): Press to
turn the system on and off.
Automatic Switch-Off
If the infotainment system has been turned on after the ignition is turned off, the system will turn off automatically after 10 minutes.
See also:
Connections
OnStar Hands-Free Calling allows calls to be made and received from the vehicle.
The vehicle can also be controlled from a cell phone through the OnStar mobile app.
See www.onstar.com for coverage ...
Head Restraint Removal and Reinstallation
The rear outboard head restraints can be removed if they interfere with the proper installation of the child restraint.
To remove the head restraint:
1. Partially fold the seatback forward. See Rear ...
Service
For service and parts needs, visit your dealer/retailer.
You will receive genuine GM parts and GM-trained and
supported service people.
Genuine GM parts have one of these marks:
...