Here’s how to get OnStar for 3 months on us

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 One trial.* You can also tap into OnStar safety features 24/7 with the OnStar Guardian^® app* on your phone, providing help no matter where you are.

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.

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 hand holds a smartphone displaying the myGMC app showing a remotely started GMC vehicle at 66 degrees.

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Here’s how to get OnStar for 3 months on us

Here’s how to get OnStar for 3 months on us

Here’s how to get OnStar for 3 months on us

Push your blue OnStar button to activate. Cancel anytime.

What’s in your trial? Let’s take a look.

What’s in your trial? Let’s take a look.

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, and power up to 18 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. We can also tell First Responders your location and what kind of help you need.

Roadside Assistance

Flat tire? Out of gas? Fender-bender? Need a tow? No problem. We can get you the help you need to get back up and running.*

Vehicle Status

OnStar Advisors can run an On-Demand Diagnostics* check whenever you need it. We’ll help you find the nearest Dealer or service provider or send Roadside Assistance.

Stolen Vehicle Assistance

Car theft is on the rise — but our Advisors can help locate your vehicle and slow it down* when police have it in their sights.

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, and power up to 18 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. We can also tell First Responders your location and what kind of help you need.

Roadside Assistance

Flat tire? Out of gas? Fender-bender? Need a tow? No problem. We can get you the help you need to get back up and running.*

Vehicle Status

OnStar Advisors can run an On-Demand Diagnostics* check whenever you need it. We’ll help you find the nearest Dealer or service provider or send Roadside Assistance.

Stolen Vehicle Assistance

Car theft is on the rise — but our Advisors can help locate your vehicle and slow it down* when police have it in their sights.

OnStar Guardian app

OnStar Guardian app

Vehicle mobile apps

Push your blue OnStar button to activate. Cancel anytime.

OnStar Account

OnStar Support

Guardian App

Connect With Us

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OnStar Account

OnStar Support

Guardian App

Connect With Us

OnStar © 2025 All rights reserved

In-vehicle Wi-Fi^® Hotspot

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.

OnStar Advisors can run an On-Demand Diagnostics* check whenever you need it. We’ll help you find the nearest Dealer or service provider or send Roadside Assistance.

Car theft is on the rise — but our Advisors can help locate your vehicle and slow it down* when police have it in their sights.

In-vehicle Wi-Fi^® Hotspot

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.

OnStar Advisors can run an On-Demand Diagnostics* check whenever you need it. We’ll help you find the nearest Dealer or service provider or send Roadside Assistance.

Car theft is on the rise — but our Advisors can help locate your vehicle and slow it down* when police have it in their sights.