See also:

Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors. Call 1-800-521-7300, or write: Buick Customer Assistance Center P.O. Box 33136 Detroit, M ...

DIC Operation and Displays
The DIC has different displays which can be accessed by pressing the DIC buttons located on the instrument panel, to the left of the instrument panel cluster. ...

Selecting an XM Channel
XM channels can be selected by usings or , the TUNE/ MENU knob, or the TUNE/MENU system. Selecting a Channel Using or Press and release or to go to the previous or next channel. P ...