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:
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from your dealer.
If your vehicle has a diesel engine, see the Duramax diesel supplement for more
informa ...
Power Seat Adjustment
To adjust a power seat, if equipped:
• Move the seat forward or rearward by sliding the control forward or rearward.
• If available, raise or lower the front or rear part of the seat cushion b ...
Units
Press the vehicle information button until UNITS displays. This display allows you to select between metric or English units of measurement.
Once in this display, press the set/ reset button to selec ...





