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. ...

Control Buttons
The buttons used to control the XM radio are: RADIO/BAND or SRCE (Source): Press to turn the radio on and choose between AM, FM, and XM. or : Press to go to the previous or next channel. FAV ...

Hazard Warning Flashers
(Hazard Warning Flasher): Press and momentarily hold this button located on the instrument panel above the climate control system, to make the front and rear turn signal lamps flash on and off. ...