Visit onstar.com for coverage map, details and system limitations. Services vary by model and conditions. OnStar acts as a link to existing emergency service providers.
3
Requires a subscription sold separately by XM after trial period. Available only in the 48 contiguous United States and District of Columbia. Visit gm.xmradio.com for details.
4
Go to gm.com/bluetooth to find out which phones are compatible with the vehicle.
5
Map coverage excludes Puerto Rico, the Virgin Islands and portions of Canada.