Tap into the possibilities

Discover how to control your vehicle from the palm of your hand.

Tap into the possibilities

Discover how to control your vehicle from the palm of your hand.

See FAQs for availability. 

 

Better vehicle control is at your fingertips.

With the myChevrolet®, myGMC® and myCadillac® app, you can start your vehicle, set your ideal cabin temperature and more right from your phone. You can also easily find your vehicle and get walking directions to its location. Plus keep track of your vehicle status, schedule service and request Roadside Assistance with the tap of a button. Get the app that makes ownership better at every turn.

Push Your Vehicle’s Capabilities

Transform every drive into a smart drive with the Vehicle Mobile App* - Start your vehicle, monitor health, check tire pressure, and enjoy the convenience of remote start. 

Explore what’s possible

Discover six ways the vehicle mobile app brings added convenience

Remote Start from anywhere

Start your vehicle from virtually anywhere. Plus, lock and unlock your doors and more.

Set the mood before you move

Cool down your car on hot days or stay connected with built-in Wi-Fi® – all from your phone. Whether you're prepping the cabin or getting online for the road ahead, it’s all just a tap away. 

Never forget your spot

See your vehicle’s location, and access walking directions to it on a map. You can also search for points of interest and send the directions directly to your vehicle’s built-in navigation system.

Check your Vehicle Status

Stay in control with real-time updates on tire pressure, fuel and oil levels. With advanced diagnostics, you can monitor key systems like your engine, transmission, airbags, emissions, and more – giving you deeper insight into your vehicle’s health. 

Request help whenever you need it

Have a flat? Need fuel? With access to Roadside Assistance*, help is on the way.

Know your vehicle better

From dashboard symbols to feature how-tos, your digitized Owner’s Manual lives in the app—so answers are always close, whenever you need them.

Download your vehicle mobile app from the App Store® or Google Play*

Know How to Use the App

Get The App Today!

Your Vehicle Mobile App* can put the power in your hands in so many ways, keeping you in control of all things related to your vehicle, please select your vehicle brand:

Frequently Asked Questions

How do I set up my Vehicle Mobile App?

Follow these important steps to properly activate your vehicle mobile app. iPhone requires iOS 13.0 or later. Android smartphones require OS 4.0.3 or later.
  1. Make sure your vehicle and mobile device are compatible with the app.
  2. Download the app from the App Store® or Google Play®. Have your username and password handy.
  3. Launch the app and enter your Owner Center username and password. Sign up here.
  4. Agree to the OnStar Terms and Conditions to continue into your vehicle’s app. You’ll only need to do this on your initial login.
  5. Keep your OnStar PIN handy. You’ll need it to access features within your app. Forgot your PIN? Manage your PIN in the Owner Center or push your blue OnStar button to speak to an Advisor.

Which vehicles can I use my Vehicle Mobile App with?

Your vehicle mobile app is compatible with Cadillac, Chevrolet and GMC vehicles from MY21 onwards*. At this time, there are no plans to extend the app to additional 2010 or earlier model year vehicles. 

Do I need a subscription to access these features?

Some services require a paid service plan. For more information about what services are included in which plan, please check the Pricing page.

Can I access my account from the app?

Yes, you can view your account information, check your plan details, and speak with an Advisor directly from the app.

How does Remote Start work?

From a Key Fob*, Remote Start communicates directly with the vehicle through a short-wave radio signal. Remote starting your vehicle from the Mobile App initiates a connection to our OnStar servers, which then communicate to your vehicle through the cellular net to remotely start it. 

Try our most popular features on us

Enjoy the most popular features OnStar has to offer like In-Vehicle Wi-Fi® Hotspot*, remote commands*, and safety services* on us* in an eligible Chevrolet, GMC or Cadillac vehicle.