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:
Compass
The vehicle may have a compass
display on the Driver Information
Center (DIC). The compass receives
its heading and other information
from the Global Positioning
System (GPS) antenna, Stabil ...
When the Change Engine Oil Soon
Message Displays
Change engine oil and filter. See Engine Oil. An Emission Control Service.
When the Change Engine Oil Soon message displays,
service is required for the vehicle as soon as possible,
within the ne ...
Traction Control System (TCS)
The vehicle may have a traction control system that limits wheel spin. The system turns on automatically every time the vehicle is started.
► To turn off traction control, press and release the ...