OnStar is an in-vehicle safety and security system designed to help protect you and your family and provide peace of mind on the road. And now with the OnStar Guardian™ app, you can get key OnStar safety services in and out of any vehicle.
I just purchased a new Buick vehicle. What’s included in my trial?
Your vehicle purchase comes with a 1-month trial of OnStar One or OnStar One Super Cruise (vehicle hardware-specific), which includes all the features of Safety & Securityand OnStar Connect Plus. Purchase a plan within your 1-month trial, and you’ll get an additional 2 months on us.
If you recently purchased a 2024 or 2025 vehicle, please log in to your account to view the latest trial information and features impacting your vehicle purchase, as many models include extended trials of some OnStar features.
I just purchased a pre-owned GM vehicle. What’s included in my trial?
OnStar-equipped pre-owned 2015 and newer vehicles can get a trial of OnStar One or OnStar One Super Cruise (vehicle hardware-specific), which includes Safety & Security and Connect Plus for up to 3 months.
If you recently purchased a 2024 or 2025 vehicle, please log in to your account to view the latest trial information and features impacting your vehicle purchase, as many models include extended trials of some OnStar features.
How much does OnStar cost?
OnStar plans start at $9.99 a month. Plus any applicable taxes and fees. Explore our plans here.
How do I manage my account?
You can manage your account and connected services online by visiting your Buick account, by pushing your blue OnStar button in your vehicle and speaking with an Advisor, or calling 1.888.4ONSTAR (1.888.466.7827).
How do I activate or renew my account?
Push your blue OnStar button in your vehicle to activate, change or renew services anytime. If you are enrolled in a trial plan, your paid OnStar service plan will be added to the time remaining in the trial. You can also manage your account and active connected services online by visiting your Buick account or calling 1.888.4ONSTAR (1.888.466.7827).
How do I cancel my account?
If at any time you wish to cancel your OnStar service, push your blue OnStar button to speak with an Advisor or call 1.888.4ONSTAR (1.888.466.7827). If you let your service plan expire or choose to cancel it, your OnStar system will be deactivated. All services — including Automatic Crash Response and Emergency Services — will be shut off. Your vehicle won’t be able to connect with us for help, even in a crash.
Can I transfer an account?
You may transfer your OnStar service plan if:
You have an active, customer-paid OnStar service plan and account.
The primary driver does not change.
The new vehicle is equipped with OnStar hardware.
If you still own the vehicle listed on your service plan, the plan cannot be switched to a different driver. Any service plan included with your vehicle purchase remains with the vehicle if it is sold or traded in with an active OnStar trial.
What is included with my OnStar plan?
Starting at $34.99/month, OnStar One includes:
OnStar Guardian® app
Roadside Assistance
Safety Services
Stolen Vehicle Assistance
Audiobooks
Games
In-Vehicle Wi-Fi® Hotspot
Internet Browser
Music
News
Podcasts
Video Streaming
OnStar Basics for 2024 and earlier vehicles:
Automatic Crash Response
Navigation
Remote Commands
Voice Assistant
Where can I go to learn more about these OnStar services?
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