See also:

Erasing Speed Memory
The cruise control set speed is erased from memory by pressing or if the ignition is turned off. ...

Turn-by-Turn
This display is used for the OnStar or Navigation System Turn-by-Turn guidance. See OnStar Overview or the navigation manual, if the vehicle has navigation, for more information. ...

Voice Recognition
The Bluetooth system uses voice recognition to interpret voice commands to dial phone numbers and name tags. For additional information say “Help” while you are in a voice recognition menu. ...