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:
Efficient powertrain
The Acadia is powered by GM's 3.6L V-6 with variable valve timing (VVT),
which is designed for good fuel economy, low emissions and exceptional
smoothness. Paired to this engine is a new fuel-savi ...
Where Are the Airbags?
The driver frontal airbag is in the middle of the steering wheel.
The right front passenger frontal airbag is in the instrument panel on the passenger
side.
Driver Side Shown, Passenger Side ...
Glove Box
Lift the glove box handle to open it.
Use the key to lock and unlock the glove box. ...