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:
Setting the 12/24 Hour Format
1. Press the CONFIG button and
select Time and Date Settings,
or press .
2. Highlight Set Time Format.
3. Press SELECT to select the
12 hour or 24 hour display
format. ...
Infotainment Control Buttons
The buttons on the faceplate are
used to start primary functions while
using the infotainment system.
VOL/ (Volume/Power):
1. Press to turn the system on
and off.
2. Turn to adjust the volum ...
Add-on Electrical Equipment
The OnStar system is integrated
into the electrical architecture of the
vehicle. Do not add any electrical
equipment. See Add-On Electrical
Equipment. Added
electrical equipment may interfer ...
