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:
Using UHP with Infotainment Controls
Pairing a Phone
If your mobile phone has simple
pairing or auto discovery features,
they need to be turned off before
the mobile phone can be paired to
the UHP system. Reference the
mobile ...
General Information
For service and parts needs, visit
your dealer. You will receive
genuine GM parts and GM-trained
and supported service people.
Genuine GM parts have one of
these marks:
California Proposit ...
Keyless Trunk Opening
Lift up on the touch pad located
above the license plate to open the
trunk if the RKE transmitter is within
range. ...