See also:

Recommended Fluids and Lubricants
Usage Fluid/Lubrican Engine Oil The engine requires engine oil approved to the dexos specification. Oils meeting this specification can be identified with the dexos cer ...

Phone Settings
See Bluetooth (Overview) or Bluetooth (Infotainment Controls) or Bluetooth (Voice Recognition) or Bluetooth (UHP Mexico Only) in the “Phone” section for more information on phone settings. ...

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 ...