Contents inside this Modal are only authorable inside of this page.

A system of technologies available on SLE and standard on SLT that streamline the hitching and towing process with integrated tools such as:

In-vehicle app1

  • Create 5 defined trailer profiles based on trailer name, trailer type, trailer hitch type
  • Maintenance reminders
  • Step-by-step pre-departure checklists
  • Trailer lighting sequence test
  • Tire pressure monitoring system that measures pressure and temperature
  • Track trailer mileage and fuel efficiency

myGMC® App2

  • Create and manage trailer profiles, even share with other Sierra owners
  • Trailer Light Test
    o    Remotely activate trailer lights to ensure they are in working order
  • Pre-Departure Checklist
    o    Review a pre-departure checklist, or create your own
  • Trailer Load Calculator
    o    Find out the combined weight of your truck and trailer for a confident towing experience
  • Trailering Health
    o    View and receive alerts on key components of your trailer like tire pressure monitoring and trailer miles
  • Trailering Glossary
    o    Quick reference to trailering related materials

1.    Additional data plan rates may apply. Available on select GM vehicles with compatible hardware. Third-party trademarks are the property of their respective third-party owners and used under agreement. Check here for service limitations, availability and service plan details. Requires active connected vehicle services and data plan or connection to an external Wi-Fi Hotspot. Vehicle data plans provided by AT&T or its local service provider. Services are subject to user terms and limitations. Check here for more details.
2.    Available on select Apple and Android devices. Service availability, features and functionality are subject to limitations and vary by vehicle, device and the plan in which you are enrolled. Device data connection required. Visit for more details.