Chevrolet SUBURBAN - 2011 Owner's Manual page 37

This vehicle may have a Talk/Mute
button that can be used to interact
with OnStar hands-free calling. See
Steering Wheel Controls on
page 5 3 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.
Increase the volume of the radio if
the OnStar advisor cannot be heard.
If the light next to the OnStar
buttons is red, the system may not
be functioning properly. Press
and request a vehicle diagnostic.
If the light appears clear (no light
is appearing), your OnStar
subscription has expired and all
services have been deactivated.
Press to confirm that the OnStar
equipment is active.