Your vehicle mobile app

That helps to improve your life and drives. That’s better.
A person accessing a map through OnStar's vehicle mobile app.

Better vehicle control is at your fingertips

Go beyond the ordinary with the vehicle mobile app. Keep track of your estimated fuel level, tire pressure and oil life; check your odometer; and so much more. If anything isn’t up to par, schedule service with the push of a button, and get help on the go with Roadside Assistance.* You can even personalize your ride with features like remote start and infotainment customization to make sure your environment is tailored to you on every ride.
 

Stay cozy in the cold

Remotely start your vehicle from virtually anywhere with the vehicle mobile app.* Whether you’re heading off to work or heading out for errands, you can step into a warm vehicle every time.
Access your vehicle remotely with OnStar's vehicle mobile app.
Access your vehicle remotely with OnStar's vehicle mobile app.

Stay cozy in the cold

Remotely start your vehicle from virtually anywhere with the vehicle mobile app.* Whether you’re heading off to work or heading out for errands, you can step into a warm vehicle every time.

You asked, we listened.

We’ve incorporated owner input to create an even better experience.

Two people using the OnStar app to take control of their vehicle.

Take control 

Lock and unlock your doors, and even warm up your vehicle* on a cold morning.
OnStar app used to send help.

Get help 

Have a flat? Need fuel? With access to Roadside Assistance,* help is on the way.  
A person using the OnStar app to check her vehicle's health.

Check in 

It’s easier than ever before to keep up with your vehicle. Check estimated tire pressure, oil life, fuel level and more.
Woman using OnStar app to share the control of the vehicle with Family Members.

Family sharing 

Invite others to your Family Group, and enable access to features like remote commands, Vehicle Status and more.
A person accessing the vehicle settings through OnStar's vehicle mobile app.

Personalize 

Personalize your vehicle settings* - including favourite radio stations and In-Vehicle Apps,* and customized climate, navigation* and driver features.
A person accessing a map through OnStar's vehicle mobile app.

View your Map 

See your vehicle’s location. Plus, get walking directions to its position and to points of interest.
#/#

OnStar One highlights
OnStar Emergency Assistance Blue Icon

Automatic Crash Response

If you’re in a crash,* we’re with you. Even if you can’t ask for help, we’ll send help to you.
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OnStar Roadside Assistance Blue Icon

Roadside Assistance

Whether you’re out of gas, your tire’s flat or your car just stopped and who knows why, we’ll get you a tow or the help you need to get back up and running.* You can share the OnStar Guardian app* with up to seven loved ones* to make sure they have added peace of mind too.
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OnStar Guardian App Blue Icon

Data and Apps

Get in-vehicle data, plus news, entertainment, directions and real-time traffic updates with your In-Vehicle Apps.* Use your vehicle mobile app* to start or stop your car, send directions and more. 
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Download your vehicle mobile app from the  App Store®* or Google Play™*

App Store
Google Play
A person looking to access OnStar's vehicle mobile app through a smartphone.

Download your vehicle mobile app today

Click on your brand below.
Chevrolet Icon.
Buick Icon.
GMC Icon.
Cadillac Icon.
Chevrolet Icon.
Buick Icon.
GMC Icon.
Cadillac Icon.

Explore the vehicle mobile app

Improve your vehicle experience with convenient features right on your phone.

Remote Start feature available on OnStar's vehicle mobile app.

Remote Start

Start your vehicle even when you’re not near it.
Find My Vehicle feature available on OnStar's vehicle mobile app.

Find my vehicle

Forgot where you parked? See your vehicle location using your smartphone.
Vehicle Status feature available on OnStar's vehicle mobile app.

Vehicle Status

Check your estimated fuel level, tire pressure, oil life and more.
Roadside Assistance feature available on OnStar's vehicle mobile app.

Roadside Assistance

Got a flat? Need a tow? Get help whenever and wherever you need it.
A police officer arrives at a scene thanks to OnStar's vehicle mobile app.

OnStar joins police on the hunt for Member’s stolen vehicle

Getting milk turns sour for a property manager in London Ontario when thieves take his vehicle for a joyride.
Read the Story
A person contacting OnStar trained Advisors through his phone.

How OnStar can save your day

Here are six ways OnStar and our specially trained Advisors can help when emergencies occur, whether you’re in or out of any vehicle.
A person contacting OnStar trained Advisors through his phone.

How OnStar can save your day

Here are six ways OnStar and our specially trained Advisors can help when emergencies occur, whether you’re in or out of any vehicle.
Learn More
Learn More
A person accessing OnStar's vehicle mobile app through a smartphone while holding coffee with the other hand.

Questions about your vehicle mobile app?

Let’s get those questions answered. We cover some of the most commonly asked vehicle mobile app questions here.
See The Questions
A police officer arrives at a scene thanks to OnStar's vehicle mobile app.

OnStar joins police on the hunt for Member’s stolen vehicle

Getting milk turns sour for a property manager in London Ontario when thieves take his vehicle for a joyride.
Read the Story
A person contacting OnStar trained Advisors through his phone.

How OnStar can save your day

Here are six ways OnStar and our specially trained Advisors can help when emergencies occur, whether you’re in or out of any vehicle.
A person contacting OnStar trained Advisors through his phone.

How OnStar can save your day

Here are six ways OnStar and our specially trained Advisors can help when emergencies occur, whether you’re in or out of any vehicle.
Learn More
Learn More
A person accessing OnStar's vehicle mobile app through a smartphone while holding coffee with the other hand.

Questions about your vehicle mobile app?

Let’s get those questions answered. We cover some of the most commonly asked vehicle mobile app questions here.
See The Questions

Try our most popular features on us! 

Enjoy the most popular features OnStar has to offer – including in-vehicle data,* remote commands* and safety services* – in eligible Chevrolet, Buick, GMC and Cadillac vehicle.*
Try OnStar