See also:

System Settings
CONFIG: Press to adjust the number of favorites pages, auto volume, XM (if equipped), and HDD (if available) settings. The FAV, AUTO VOL, XM (if equipped), and HDD (if available) tabs displa ...

Engine Oil Messages
CHANGE ENGINE OIL SOON This message displays when the engine oil needs to be changed. When you change the engine oil, be sure to reset the CHANGE ENGINE OIL SOON message. See Engine Oil Life Syst ...

Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors remotel ...