To help improve your trailering experience, Sierra Heavy Duty’s available In-Vehicle Trailering App^† offers custom trailer profiles, trailer status including available tire pressure^† and temperature monitoring, and more. The app is integrated and accessible through Sierra’s Infotainment System^†, with features including:

• Create 5 custom trailer profiles based on trailer name, trailer type, trailer hitch type
• The vehicle mobile app, myGMC^® mobile app^† adding convenience when outside the truck or trailer
• Trailer tire pressure monitoring system that measures pressure and temperature (requires available Trailer Pressure Monitor Sensors)
• Trailer Light Sequence, which includes automatic lighting test sequence
• Maintenance reminders
• Step-by-step pre-departure checklists
• Track trailer mileage and fuel economy
  

myGMC^® mobile app^† Trailering Features include:

• Create and manage trailer profiles, even share with other Sierra owners
• Trailer Light Test
  o    Remotely activate trailer lights to ensure in working order
• Pre-Departure Checklist
  o    Review a pre-departure checklist, or create your own
•  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 kilometres
  
• Glossary of Terms
  o    Quick reference to trailering related materials

Sierra Heavy Duty is designed to integrate ASA Electronics^™ iN∙Command^®† Control System with Global Connect  and accessed through the myGMC^® mobile app.^† The system allows owners to monitor and control a range of smart systems, such as water tank levels, HVAC controls and even power slide-outs, in compatible recreational trailers equipped with the technology.

Connect to available Alexa Built-In^† for instant, hands-free access to music, directions, calls, news, weather and more.

With Apple CarPlay^®† compatibility you have wired or available wireless access to iPhone features such as hands-free phone calls and messaging, Apple Music^™, Apple Maps and more.

Android Auto^TM† gives your compatible smartphone on-the-go access to Android features such as Google Maps, Google Play Music and more via wired or available Wireless Phone Projection.

The available Safety Alert Seat uses left, right, or both-side driver seat vibration pulses to help you identify the direction of potential crashes so you can quickly take action. You can also switch to beeping crash avoidance alerts.

When driving conditions are dark, available IntelliBeam^® -- Auto High Beams can automatically turn the vehicle’s high-beam headlamps on and off according to surrounding traffic conditions.

Teen Driver helps encourage safe driving habits for new drivers. It automatically activates certain available safety systems and allows parents to set limits on other features. There is even an in-vehicle report card that parents can access to help with coaching their teen driver.