Get 3 months of OnStar One on us

Get 3 months of OnStar One on us

When you buy a 2015 model year or newer GM vehicle, it comes with an amazing bonus: a
complimentary 1-month OnStar One trial. Experience the best in safety, connectivity and entertainment
— and when you purchase a plan, you get another two months on us.

Getting started

Activating your complimentary OnStar One trial as easy as opening an app.

Step 1

Download and/or sign into your vehicle app. 

Step 2

Add or select your vehicle.

Step 3

Complete your activation from inside your vehicle.

Get the vehicle mobile app

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

Safety, entertainment, mobile app commands and more.

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

Safety, entertainment, mobile app commands and more.

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

Check your vehicle’s tire pressure, oil life, fuel level and more from your smartphone. Plus, easily schedule service with the tap of a button.

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

Check your vehicle’s tire pressure, oil life, fuel level and more from your smartphone. Plus, easily schedule service with the tap of a button.

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.

Open your vehicle mobile app or push your blue OnStar button

Connect your vehicle and get up to 3 months of our full suite of One services on us! Plus, receive free Vehicle Diagnostic Alerts* for 8 years when you activate.

Download the vehicle mobile app now 

myChevrolet

myBuick

myGMC

myCadillac 

Download the vehicle mobile app now

myChevrolet

myBuick

myGMC

myCadillac