Your new car's gift to you: an OnStar plan that works for you in your car or on your phone.
When you buy a 2015 model year or newer Chevrolet, Buick, GMC or Cadillac, it comes with an amazing bonus: a complimentary OnStar One trial.
What’s in your trial? Let’s take a look.
Safety, entertainment, mobile app commands and more — discover the suite of features you can try on us.

Vehicle mobile app
Your car in the palm of your hand. Access remote commands,

In-vehicle Wi-Fi® Hotspot
Music lover? Use OnStar One

Automatic Crash Response
If you’re in a crash, we’ll be right there to assist you.

Roadside Assistance
Flat tire? Out of gas? No problem. We can get you the help you need to get back up and running.

Vehicle Status
Our OnStar Advisors can run an On-Demand Diagnostics

Stolen Vehicle Assistance
Car theft is on the rise — but our Advisors can help locate your vehicle and slow it to idle speed

Safety Services
If you need help, push the red Emergency button

OnStar Guardian app
The OnStar Guardian app

Vehicle mobile app
Vehicle control is at your fingertips with the vehicle mobile app. Keep track of your fuel level, tire pressure, oil life and so much more. Plus, you can start your vehicle remotely, get help on the go with Roadside Assistance and schedule service with the push of a button.