OnStar Explained

OnStar is the in-vehicle safety and security system created to help protect you and your family on the road. OnStar's innovative three-button system* offers:

24-hour access to expertly trained, caring Advisors
A connection to emergency assistance
Access to OnStar Hands-Free Calling

How Do I Get OnStar?

Find new and pre-owned vehicles available with OnStar
Determine if your current vehicle is OnStar-equipped

How Do I Activate OnStar?

Get activation instructions for new or pre-owned models
Select an OnStar subscription plan

How Do I Use OnStar?

Learn about the three-button system
Download the correct owner's guide for your OnStar system
Listen to OnStar Hands-Free Calling demonstrations

Information Center

Here you'll find important stories, guides, and general information to help you understand the OnStar system and how it can benefit you.

OnStar Vehicle Diagnostics View a demo to find out about this exciting new subscriber service.	OnStar Technology Discover the advanced technology behind the OnStar system.
OnStar Services Get details on each OnStar service.	Downloadable Guides Download and print helpful guides and manuals.
Helpful Info Get answers to common questions about OnStar.

Special Discounts

Learn about special offers and programs for OnStar subscribers.

Tell us your OnStar story
Our subscribers have a wide range of experiences to share. Send us your OnStar story.

*The phone button is marked with either a phone or white-dot symbol. There is no difference in functionality.