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:
Engine Oil Messages
CHANGE ENGINE OIL SOON
This message displays when the engine oil needs to be changed. When you change
the engine oil, be sure to reset the CHANGE ENGINE OIL SOON message. See Engine
Oil Life Syst ...
Driver Information Center (DIC)
The Driver Information Center (DIC)
provides status of many vehicle
systems. The DIC displays warning/
status messages. The DIC display
is at the bottom of the instrument
panel cluster. The ...
Auxiliary Devices (Radio with CD/DVD and MEM)
The optional AUX input allows portable devices to be connected using the
3.5mm (1/8 in) input jack or the USB port.
Portable devices are controlled by using the menu system described in
Operation ...