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
For vehicles equipped with
Bluetooth capability, the system can
interact with many cell phones,
allowing:
- Placement and receipt of calls in
a hands-free mode.
- Sharing of the cell phone’s ...
Manual Mode
Driver Shift Control (DSC)
The vehicle has Driver Shift Control (DSC). DSC controls the vehicle's transmission
and vehicle speed while driving down hill or towing a trailer by allowing you to ...
Sunroof
If the vehicle has a power sunroof it
will only operate when the ignition is
in ON/RUN or ACC/ACCESSORY,
or when Retained Accessory
Power (RAP) is active. See Ignition
Positions (Key Access) ...