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 Q to try the call again or try again after driving a few miles into another cellular area. Vehicle and Power Issues OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Portable Audio Devices
Some vehicles have a 3.5 mm (1/8 in) auxiliary input and a USB port located in
the center console. External devices such as iPods®, laptop computers, MP3 players,
CD changers, and USB storage dev ...
Fuel
For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax Diesel Supplement.
For Vehicles with gasoline engines, please read this. ...
EXTERIOR
The Acadia Denali can be compared to your favorite pair of jeans. It looks
great, flatters your features and is durable enough to stand up to the
day-to-day rigors of real life.
Fog lights and d ...