Audio Source
VOL/ 
(Volume/Power):
1. Press to turn the radio on or off.
2. Turn to increase or decrease the volume of the active source (i.e., current audio source, active navigation voice guidance, or traffic prompts).
The steering wheel controls can also be used to adjust the volume.
See “Steering Wheel Controls” in the vehicle owner manual for more information.
To access the radio main page, press the SOURCE button on the faceplate, the Now Playing screen button, or one of the audio screen buttons on the Home Page.
While on the audio main page, press the Source button repeatedly to display and cycle through the available sources (AM, FM, and XM (if equipped), CD, USB/iPod, and AUX).
See also:
Total Weight on Your Vehicle’s Tires
Be sure your vehicle’s tires are inflated to the
upper limit for cold tires. You’ll find these numbers
on the Certification label at the rear edge of the
driver’s door or see Loading Your Veh ...
Outside Heated Mirrors
For vehicles with heated mirrors:
(Rear Window Defogger): Press
to heat the
mirrors.
See “Rear Window Defogger” under Climate Control
System or Dual Automatic Climate Control
System for ...
OnStar® System
OnStar® uses several innovative technologies and
live advisors to provide you with a wide range
of safety, security, information, and convenience
services. If your airbags deploy, the system is
...