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:
Trailer Sway Control (TSC)
The vehicle has a Trailer Sway Control (TSC) feature as part of the StabiliTrak
system. If TSC detects that the trailer is swaying, the vehicle's brakes are automatically
applied.
When TSC ...
If the Vehicle Is Stuck
Slowly and cautiously spin the wheels to free the vehicle when stuck in sand, mud, ice, or snow.
See “Rocking Your Vehicle to Get It Out” later in this section.
If the vehicle has a traction sys ...
Roadside Assistance Program
U.S.: 1-888-881-3302
TTY Users (U.S.): 1-888-889-2438
Canada: 1-800-268-6800
Mexico: 01-800-466-0801
As the owner of a new GMC, you are automatically enrolled in the Roadside Assistance program.
...