Automatic Crash Response
If you’re in a crash, we’ll check to make sure you’re OK. We’ll also tell First Responders exactly where you are and what kind of help you need.
All 2025 and newer vehicles now come with OnStar® Basics
OnStar®
Stay connected, entertained, and in control with OnStar Basics
Navigate confidently with built-in voice assistance for real-time traffic updates and hands-free help for calls and music. Access select audio streaming apps right from your vehicle without missing a beat. With the vehicle mobile app, manage your car remotely: lock or unlock doors, start the engine, and check status anytime. Plus, Automatic Crash Response connects you to Emergency Advisors who can send help when you need it most.
Remote Commands
Conveniently control your vehicle from anywhere using your smartphone to lock and unlock doors, check vehicle status, locate your vehicle, send directions to your center display, and more.
Navigation Apps
Find the best routes, get traffic updates, discover nearby places, and more, all from your center display.
Voice Assistant
Easily make calls, get directions, play music, and more—all hands-free, keeping your eyes on the road without distraction.
Additional Features
Music
Stream your favorite songs and playlists with your music apps from your center display, bringing you a variety of entertainment options on every drive.
Podcasts
Access a wide variety of podcasts through select apps from your center display, keeping you entertained and informed on every journey.
Audiobooks
Listen to your audiobooks on the road, your center display turning into a space for stories, learning, and entertainment as you drive. Stay informed with real-time news updates directly through your vehicle’s center display, bringing the latest headlines and stories to your drive.
News
Stay informed with real-time news updates directly through your vehicle’s center display, bringing the latest headlines and stories to your drive.
Enhance your driving experience with OnStar One. Included for 12 months.
Starting at $34.99 /mo.
OnStar One unlocks the full Buick experience: every safety feature, seamless connectivity, and in-vehicle content, all in one plan. Included for 12 months.
Even More from OnStar
Select 2025 and newer vehicles automatically come with 3 years of OnStar features, including an in-vehicle Wi-Fi Hotspot, Stolen Vehicle Assistance, safety features and more. 2025 and newer vehicles with Super Cruise® hands-free driver assistance tech also receive 3 years of OnStar One. Already purchased your vehicle? Sign into your account to explore all the features available to you.
You've got even more options too
Explore plans that are finely tuned to meet your needs.
OnStar Protect
Get every OnStar safety feature, including the OnStar Guardian® app, and 24/7 access to Advisors for help anytime, anywhere.
OnStar Connect Plus
Keep everyone connected and entertained with In-vehicle apps and an in-vehicle Wi-Fi® Hotspot that can connect up to 18 devices at once.