Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors remotely, if it is equipped with automatic door locks, and can help police locate the vehicle if it is stolen.
See also:
Place a Call Using a Stored Number
   1. Push . System responds:
“OnStar ready.” 2. Say “Call <name tag>.” System responds: “OK, calling <name tag>.” ...
   
Finish Care
   Application of aftermarket clearcoat sealant/wax materials is not recommended. If painted surfaces are damaged, see your dealer to have the damage assessed and repaired. Foreign materials such as calc ...
   
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 ...
   





