OnStar® Steering Wheel Controls
Your vehicle may have a Talk/Mute button that can be used to interact with OnStar® Hands-Free Calling.
On some vehicles, you may have to hold the button for a few seconds and give the command “ONSTAR” in order to activate the OnStar® Hands-Free Calling feature.
On some vehicles, the mute button can be used to dial numbers into voicemail systems, or to dial phone extensions. See the OnStar® Owner’s Guide for more information.
See also:
OnStar®
OnStar® uses several innovative technologies and live
advisors to provide a wide range of safety, security,
navigation, diagnostics, and calling services. ...
Setting the Tone
(Bass/Midrange/Treble)
BASS/MID/TREB (Bass, Midrange, or Treble): The
radio may display some or all tones, such as BASS,
MID, and TREB. To adjust the tone settings, press the
knob until the tone control tabs
displa ...
Roadside Assistance Program
U.S.: 1-800-252-1112
TTY Users: 1-888-889-2438
Canada: 1-800-268-6800
As the owner of a new Buick, you are automatically
enrolled in the Roadside Assistance program. This
program provides techn ...