Reactivation for Subsequent Owners
Push 
and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle.
The Advisor will update vehicle records and will explain the OnStar service offers and options available.
See also:
Tire Chains
WARNING Do not use tire chains. There is not enough clearance. Tire chains used
on a vehicle without the proper amount of clearance can cause damage to the brakes,
suspension or other vehicle part ...
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 th ...
Driver Information Center (DIC) (Without DIC Buttons)
If your vehicle does not have DIC buttons, the information below explains the operation of this system.
The DIC has different displays which can be accessed by pressing the trip odometer reset stem l ...