Push your blue OnStar button to activate. Cancel anytime.
When you buy a 2015 model year or newer Chevrolet, Buick, GMC or Cadillac vehicle, 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*
Start your vehicle, get walking directions to its location, set your ideal cabin temperature and more right from your phone.

In-vehicle Wi-Fi® Hotspot*
Stay connected on the go with unlimited data, powering up to seven devices to keep you productive and entertained on every drive.

Automatic Crash Response
If you’re in a crash, we’ll check to make sure you’re OK.

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 down

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