OnStar Services
See also:
XM™ Satellite Radio AntennaSystem
The XM™ Satellite Radio antenna is located on
the roof of your vehicle. Keep this antenna clear of
snow and ice build up for clear radio reception.
If your vehicle has a sunroof, the performanc ...
Online Owner Center
Online Owner Center (U.S.) —
www.gmownercenter.com/buick
Information and services customized for your specific
vehicle — all in one convenient place.
• Digital owner manual, warranty infor ...
Infotainment System Menus
Tone Settings
To access the tone settings, press
the Home Page Tone button or the
TONE button on the faceplate.
Use the tone settings to adjust the
following features:
• Setting the tone
â ...
