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:
Bluetooth Controls
Use the buttons located on the infotainment system and the steering wheel to
operate the Bluetooth system.
Steering Wheel Controls
(Push To Talk): Press to answer incoming calls, confirm system ...
Lumbar Adjustment
Power Lumbar
If available, press and hold the front or rear of the control to increase or
decrease lumbar support. Release the control when the seatback reaches the
desired level of lumbar su ...
Roof
Sunroof
A. Open or Close
B. Vent
On vehicles with a sunroof, the sunroof only operates when the ignition is in
the ACC/ACCESSORY or ON/RUN, or when Retained Accessory Power (RAP) is active.
S ...