See also:

Warranty
OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...

Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and displays the CHANGE ENGINE OIL SOON message when it is time to change the engine oil and filter. The oil life system ...

XM Tune Select (If Equipped)
While the XM audio screen is displaying and a song is being listened to, press Tune Select to save that particular song. The XM Tune Select menu displays with options to store by the song title ...