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In Brief 1-23
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.
Your Responsibility
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
Q
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
Q to confirm that the OnStar
equipment is active.