Unable to Connect to OnStar Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message
may come on. Push 
to try the
call again or try again after driving a
few miles into another cellular area.
See also:
Muting a Call
During a call, all sounds from inside the vehicle can be muted so that the
person on the other end of the call cannot hear them.
To mute a call, press , and then say “Mute Call.” To cancel
mute, ...
Chime Volume
This allows the selection of the chime volume level.
Press the MENU/SELECT knob when Chime Volume is highlighted.
Turn the knob to select Normal or High. Press the knob to confirm and go
back t ...
Driver Information Center (DIC)
The DIC display is located at the
bottom of the instrument panel
cluster. It shows the status of many
vehicle systems and enables
access to the personalization menu.
The DIC buttons are loc ...