See also:

DIC Warnings and Messages
Messages are displayed on the DIC to notify the driver that the status of the vehicle has changed and that some action may be needed to correct the condition. Multiple messages may appear one afte ...

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

XM Radio Messages
XL (Explicit Language Channels): These channels, or any others, can be blocked at a customer’s request, by calling 1-800-852-XMXM (9696). XM Updating: The encryption code in the receiver is b ...