OnStar Services

See also:

Control Buttons
The buttons used to control the XM radio are: RADIO/BAND: Press to turn the radio on and choose between AM, FM, and XM, if equipped. SEEK / SEEK: Press to go to the previous or next channel. ...

Heated Rear Seats
The buttons are on the Rear Sear Audio (RSA) panel on the rear of the center console. Press or to heat the left outboard or right outboard seat cushion and to cycle through the temperature s ...

Hard Drive Device (HDD)
To use the HDD, tracks must be recorded from a CD, MP3 Disc, or USB device first. ...