How To

ABOUT ONSTAR ROADSIDE ASSISTANCE

Roadside Assistance is a feature of some OnStar plans to help with common vehicle issues, such as running out of gas, fixing a flat or towing to a repair center.


There are four ways to get Roadside Assistance through OnStar depending on your plan.

  • OnStar button: Press the blue OnStar button in your vehicle to connect with an OnStar Advisor who can assist in getting the help you need.
  • OnStar Guardian app: Open your OnStar Guardian App and tap Roadside Assistance to request help.
  • Vehicle Mobile App: Roadside Assistance can also be requested in your vehicle mobile app (myChevrolet, myBuick, myGMC and myCadillac).
  • Infotainment System: If available, you can open your myBuick app on your infotainment system and select the type of help you need.


Roadside Assistance is included in the Premium, Essentials, and Safety & Security plans as well as with the OnStar Guardian app. Members with only an OnStar Guardian app must request Roadside Assistance through the Guardian app. Subscribers can get help with many services, including jump-starts, flat tires, tows and unlocking doors. Go to the plans page to find out more.



Q&As

How can I manage my OnStar service?

You can manage your account online by signing in to your GM Account, pushing the blue OnStar button in your vehicle and speaking with an Advisor, or calling 1.888.4ONSTAR (1.888.466.7827).


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To find out if your vehicle has this feature, contact your dealer or refer to your vehicle’s equipment list. Please check your Owner’s Manual for more information about features.

  • Roadside service provided by Allstate Roadside Services for vehicles only. Limitations and restrictions apply. Towing services have additional fees.

  • The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all Buick vehicles’ destination freight charges.

  • EPA estimated MPG 25 city, 30 highway FWD.

  • Cargo and load capacity limited by weight and distribution.

  • EPA estimated.

  • Functionality varies by model. Full functionality requires compatible Bluetooth® and smartphone, and USB connectivity for some devices.

  • EPA estimated MPG 30 city, 32 highway 1.3L engine FWD.

  • Buick Driver Confidence: Automatic Emergency Braking, Lane Keep Assist with Lane Departure Warning, Forward Collision Alert, Front Pedestrian Braking, Following Distance Indicator and IntelliBeam. Read the vehicle Owner’s Manual for more important feature limitations and information.

  • Vehicle user interface is a product of Google and its terms and privacy statements apply. To use Android Auto on your car display, you’ll need an Android phone running Android 6 or higher, an active data plan, and the Android Auto app. Google, Android and Android Auto are trademarks of Google LLC.

  • Vehicle user interface is a product of Apple® and its terms and privacy statements apply. Requires compatible iPhone® and data plan rates apply. Apple CarPlay, Siri, iPhone and Apple Music are trademarks of Apple, Inc., registered in the U.S. and other countries.

  • Safety or driver-assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information.

  • With rear seats folded. Cargo and load capacity limited by weight and distribution.

  • Buick Driver Confidence Plus: Automatic Emergency Braking, Lane Keep Assist with Lane Departure Warning, Forward Collision Alert, Front Pedestrian Braking, Following Distance Indicator, IntelliBeam, Lane Change Alert with Side Blind Zone Alert, Rear Cross Traffic Alert and Rear Park Assist. Read the vehicle Owner’s Manual for important feature limitations and information.

  • The system wirelessly charges one compatible mobile device. Some phones have built-in wireless charging technology and others require a special adapter/back cover. To check for phone or other device compatibility, click here or consult your carrier.

  • EPA estimated MPG 18 city/26 highway FWD.

  • Requires available Trailering Package. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

  • Vehicle user interface is a product of Google and its terms and privacy statements apply. To use Android Auto on your car display, you’ll need an Android phone running Android 6 or higher, an active data plan, and the Android Auto app. Google, Android and Android Auto are trademarks of Google LLC.

  • Bose is a registered trademark of the Bose Corporation in the U.S. and other countries.

  • EPA estimated FWD model.

  • Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.

  • Preproduction model shown throughout. Actual Production model may vary.

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