Service Vehicle Messages
SERVICE AC SYSTEM
This message is displayed if there is a problem with the air conditioning system. Take the vehicle to your dealer for service.
SERVICE POWER STEERING
This message is displayed if there is a problem with the power steering system. Take the vehicle to your dealer for service.
SERVICE VEHICLE SOON
This message is displayed if there is a problem with the vehicle. Take the vehicle to your dealer for service.
See also:
Hill Start Assist (HSA)
Non-hybrid vehicles with StabiliTrak have a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade.
This feature is designed to prevent the vehicle from rolling, ...
Connections
OnStar Hands-Free Calling allows calls to be made and received from the vehicle. The vehicle can also be controlled from a cell phone through the OnStar mobile app. See www.onstar.com for coverage map ...
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.
...