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:
Programming Transmitters to the Vehicle
Only RKE transmitters programmed to this vehicle will work. If a transmitter
is lost or stolen, a replacement can be purchased and programmed through your dealer.
When the replacement transmitter ...
Clearing the System
Unless information is deleted out of the in-vehicle Bluetooth system, it will be retained indefinitely. This includes all saved name tags in the phone book and phone pairing information. For informati ...
Memory Features
On vehicles with the memory feature, the controls on the driver door are used to program and recall memory settings for the driver seat and outside mirrors. ...