OnStar Services

See also:

DIC Vehicle Customization
Your vehicle may have customization capabilities that allow you to program some features to one setting based on your preference. All of the customizable options listed may not be available on you ...

XM Messages
XL (Explicit Language Channels): These channels, or any others, can be blocked by request, by calling 1-800-929-2100 in the U.S., and 1-877-438-9677 in Canada. XM Updating: The encryption code in t ...

Top Tether Anchor
Top Tether Anchor A top tether (A, C) anchors the top of the child restraint to the vehicle. A top tether anchor is built into the vehicle. The top tether attachment (B) on the child restrai ...