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

To help improve your trailering experience, the new in-vehicle trailering app1 offers a variety of useful features. The app is integrated with and accessible through Sierra’s infotainment system,2 with features including:

  • Predeparture checklists
  • Trailer detection that lets you know when the trailer is hitched
  • Customizable trailer profiles with programmable trailer brake level settings, connection information, maintenance reminders and trailering alerts
  • Trailer Light Sequence Test, which includes an automatic lighting sequence to visually test all lights on the vehicle
  • Trailer Theft Detection3 alerts you if the trailer is disconnected when the vehicle is parked and locked
  • Tow/Haul reminder and trailer detection
  • Trailer electrical diagnostics
  • Available Trailer Tire Pressure Monitoring System4 uses sensors that monitor tire pressure and temperature inside the trailer tires
Get more app details on GMC LIFE.  

1. App functionality and features vary with vehicle equipment and trim level. Device data connection may be required. Some features require connected vehicle services trial or active plan and working electrical system.
2. Functionality varies by model. Full functionality requires compatible Bluetooth® and smartphone, and USB connectivity for some devices.
3. Requires properly equipped vehicle with armed factory alarm.
4. Extra-cost feature; requires installation.