Get OnStar One

Get OnStar One

OnStar One unlocks the full OnStar experience: every safety feature, seamless connectivity , and in-vehicle content, all in one plan.  

Vehicle Eligibility

Your OnStar One plan duration varies by vehicle type and model year. 

New vehicles

2026 model year or newer*

Includes 12 months
of OnStar One 

New vehicles

2025 model year and older

Includes 1 month
of OnStar One 

Learn More  →

Cadillac, Buick, GMC and Chevrolet vehicles equipped with Super Cruise receive 3 years of OnStar One. 

Pre-owned vehicles

Any model year

Includes 1 month
of OnStar One 

Learn More  →

What’s included in OnStar One?

Safety, entertainment, mobile app commands and more.

What’s included in OnStar One?

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

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

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.

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

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

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.

Core benefits included on eligible vehicles 

Have a 2025 model year or newer vehicle?

Included with your vehicle purchase comes OnStar Basics for up to 8 years, including core features designed to keep you connected on and off the road. 

Getting started

Good news! 2026 and newer vehicles are ready to go - simply activate your vehicle's OnStar services! 

For 2025 model year & older and pre-owned vehicles, activating OnStar One is as easy as 1-2-3. 

Step 1

Get in your vehicle 

Step 2

Push your blue OnStar button

Step 3

Connect with an Advisor to confirm your information and activate your features

Download the vehicle mobile app now 

myChevrolet

myBuick

myGMC

myCadillac 

Download the vehicle mobile app now

myChevrolet

myBuick

myGMC

myCadillac