OnStar is available on more than 30 GM vehicles. Browse vehicle availability by selecting a brand.
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Unlock more ownership perks using your vehicle’s mobile app

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Get the app that gives you access to your vehicle

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Kiss cold car seats goodbye in the winter. Skip the front-seat sauna in summer. By downloading your vehicle’s mobile app,*13 you can use OnStar to enjoy remote access to your vehicle right from your smartphone — including remote start. Here are a few mobile app features that unlock your vehicle’s full potential:

  • Monitor oil life, tire pressure, remaining fuel, fuel efficiency and more.
  • Schedule maintenance with your preferred Dealer.
  • Lock and unlock your doors*12 or activate the horn and lights.
  • Remotely start or stop your engine (if factory-equipped)
  • Get Roadside Assistance*3 if you’re stranded, have a flat tire or need a tow.
  • Remember where you parked and set a timer to alert you when your meter is expiring.
  • Access your vehicle’s Owner’s Manual.
  • Manage in-vehicle Wi-Fi® hotspot*8 settings (if equipped).
  • Search for destinations and send directions to your OnStar Turn-by-Turn Navigation*6 system, or send destinations to your vehicle’s in-dash navigation system (if equipped).
  • Contact an OnStar Advisor.

The vehicle mobile app is available for iPhone*101 or Android.*102

myChevrolet App
myBuick App
myGMC App
myCadillac App

myChevrolet App
myBuick App
myGMC App
myCadillac App