OnStar Steering Wheel Controls
This vehicle may have a Talk/Mute button that can be used to interact with OnStar hands-free calling. See Audio Steering Wheel Controls for more information.
On some vehicles, the mute button can be used to dial numbers into voice mail systems, or to dial phone extensions. See the OnStar Owner’s Guide for more information.
See also:
2012 Buick LaCrosse Review
When I first started reviewing cars five years ago, I can assure you, I never
thought I would find myself eagerly waiting to get behind the wheel of a Buick.
But that started to change when the r ...
Home Page Features
Various functions are disabled when
the vehicle is moving.
Press the Now Playing screen
button to display the active source
page. The sources available are
AM, FM, XM (if equipped), CD,
USB ...
SERVICE BRAKE ASSIST
This message may be displayed
when there is a problem with the
brake boost assist system. When
this message is displayed, the brake
boost assist motor might be heard
operating and you might ...
