Here's how to get OnStar for 1 month on us

Push your blue OnStar button to activate your trial.

Your car's blue OnStar button is your ticket to trying out some amazing OnStar plans and features — on us! Plus get 2 additional months when you purchase a plan on select vehicles. Cancel anytime.

Get more connectivity and confidence from your Chevrolet,^® Buick,^® GMC^® or Cadillac.^® Activate your trial^* today, and got an elevated vehicle experience at no additional charge. Connectivity is limited to some 2015 model year and newer vehicles that came with 4G LTE hardware or other older vehicles that received a hardware upgrade.

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.

A person's hand holds a black smartphone displaying the myGMC mobile app showing the vehicle's remote start and climate control features against a blurred background with red and white structures.

Vehicle mobile app^*

Set the climate of your cabin, lock and unlock your doors even save and set radio stations favorite’s — all from your compatible smartphone.

An overhead view of two people in the front seats of a Cadillac, with the driver in a red jacket holding the steering wheel and the passenger in a blue shirt and pants holding a tablet displaying a live sports game.

In-vehicle Wi-Fi^® Hotspot^*

Fire up your available built-in Wi-Fi Hotspot and watch your passengers’ eyes light up. It can power up to seven compatible devices.

Police officer walking towards a car crashed on the side of the road

Automatic Crash Response

If you’re in a crash, we’ll check to make sure you’re OK.^* We can also tell First Responders your location and what kind of help you need.

Roadside Assistance

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

A man with a beard is reaching up to press the OnStar button on the overhead console of a vehicle, the rearview mirror and front windshield are also visible.

Vehicle Status

Our OnStar Advisors can run an On-Demand Diagnostics^* check whenever you need it. If there’s a problem, we’ll help you find the nearest Dealer or service provider or send Roadside Assistance.