OnStar

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Selecting the XM Band
Press the RADIO/BAND or SRCE button to choose between AM, FM, and XM. The last channel played in that band begins to play when that band is selected. ...

Additional Program Information
All program options, such as shuttle service, may not be available at every dealer. Please contact your dealer for specific information about availability. All Courtesy Transportation arrang ...

Trunk
WARNING! Exhaust gases can enter the vehicle if it is driven with the liftgate, trunk/hatch open, or with any objects that pass through the seal between the body and the trunk/hatch or lift ...