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:
Lumbar Adjustment
Lumbar Adjustment
If available, press and hold the front
or rear of the control to increase or
decrease lumbar support.
To raise or lower lumbar support,
press and hold the top or bottom of ...
Radio Menus
Radio menus are available for AM,
FM, and XM, if equipped.
Turn the Menu knob to open the
main radio menu for that band. ...
Driver Efficiency Gauge
Driver Efficiency Gauge
This gauge assists the driver in
operating the vehicle more
efficiently and will vary based on
driver input.
See Driver Efficiency Gauge for more information. ...
