See also:

OnStar Mobile App
With an iPhone® or Android™-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there ...

Voice Recognition
The voice recognition system uses commands to control the system and dial phone numbers. Noise: The system may not recognize voice commands if there is too much background noise. When to Spe ...

Engine Oil Additives
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M are all you will need for good performance and engine protection. ...