See also:

Hitches
Use the correct hitch equipment. See your dealer or a hitch dealer for assistance. - The rear bumper on the vehicle is not intended for hitches. Do not attach rental hitches or other bumper-t ...

XM Categories
XM channels are organized in categories. Removing or Adding Categories Channels in a category that have been removed can still be accessed by using the SEEK or SEEK buttons, or the TUNE knob. ...

Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks. Each bulletin contains instructions to assist in the diagnosis ...