See also:

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

Bluetooth (Overview)
For vehicles equipped with the MyLink or IntelliLink infotainment system, see the separate MyLink/ IntelliLink Features and Functions Guide for more information. For vehicles equipped with Bluetoot ...

Adjusting the Speakers (Balance/Fade)
BAL/FADE (Balance/Fade): To adjust the balance or fade: 1. Press until the speaker control tabs display. 2. Continue pressing to highlight the tab, or press the softkey under the tab. 3. To adju ...