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.
See Roadside Assistance Program (U.S. and Canada) on page 13‑8 or Roadside Assistance Program (Mexico) on page 13‑10 for more information.
Roadside Assistance and OnStar (U.S. and Canada)
If you have an active OnStar subscription, press the 
button and the current GPS location will be sent to an OnStar advisor who will assess your problem, contact Roadside Assistance, and relay your exact location to get the help you need.
Online Owner Center (U.S. and Canada)
The Online Owner Center is a complimentary service that includes online service reminders, vehicle maintenance tips, online owner manual, special privileges, and more.
Sign up today at:
U.S.: gmc.com (click on “Owners,” then “Manage My GMC/Owners Login”) Canada: gmcowner.ca
See also:
When to Check and Change Lubricant
It is not necessary to regularly check front axle fluid unless a leak is suspected, or an unusual noise is heard. A fluid loss could indicate a problem. Have it inspected and repaired. ...
Engine Drive Belt Routing
2.4L L4 Engine
3.0L V6 Engine ...
Tailgate Removal
The tailgate can be removed to allow for different loading situations.
Assistance may be needed with the removal to avoid damage to the vehicle.
On vehicles with a Rear Vision Camera, it must be dis ...