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:
Store a Name Tag for Speed
Dialing
1. Push . System responds:
“OnStar ready.”.
2. Say “Store.” System responds:
“Please say the number you
would like to store.”.
3. Say the entire number without
pausing. System responds:
“Plea ...
Manual Operation of Power Liftgate
To change the liftgate to manual operation, turn the mode switch to the OFF
position.
With the power liftgate disabled and all of the doors unlocked, the liftgate
can be manually opened and close ...
Control of a Vehicle
Braking, steering, and accelerating are important factors in helping to control
a vehicle while driving. ...