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:
Ride Control System Messages
SERVICE REAR AXLE
This message displays when there is a problem with the All-Wheel Drive (AWD)
System. See your dealer for service.
SERVICE STABILITRAK
This message displays if there is a pr ...
DIC Buttons
A. SET/CLR (Set/Clear): Use this button to set or clear the menu item when
it is displayed.
B. (Thumbwheel): Use the thumbwheel to scroll through the items in each
menu.
A small marker wil ...
California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is
designed to operate on fuels that meet California specifications.
See the underhood emission control label. If this fuel i ...