Contact us 

Contact us 

If you are in need of emergency assistance regarding an incident with an active OnStar service plan, please contact the 24/7 dedicated public safety number at 866-866-5006 to reach the OnStar Contact Center Emergency and Vehicle Location Assistance Teams. 
For information about general processes, training and ECC boundary inquires, please contact us via email at .

Visit our virtual outreach experience

Step inside to access a variety of public safety educational content highlighting OnStar’s emergency services. Explore the virtual exhibit hall, download reference materials, stop by the Auditorium to preview the new OnStar Guardian app and attend breakout sessions about Automatic Crash Response and Vehicle Location Assistance to learn how we can work together.

Working with emergency personnel

See how OnStar works with emergency responders — assisting in emergencies, locating stolen vehicles and providing critical help during a crash.