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How Do I Activate OnStar?

How Do I Activate OnStar?
  • If you have a new OnStar-equipped vehicle, click here.
  • If you have a pre-owned OnStar-equipped vehicle, click here.

Activation for New Vehicles PrintPrint these instructions
All new GM models include a one-year OnStar service plan.
  • For select new 2004 and all 2005 and 2006 GM models, Automatic Airbag Deployment Response, Emergency Services, and Stolen Vehicle Location Assistance are active when you take delivery of the vehicle. The remaining services are typically activated automatically within 3 to 5 business days after you take delivery.
  • For select new 2004 and previous models, you will need to activate your OnStar system by pushing the blue OnStar button in your vehicle. If you hear the recorded message, follow the prompts to speak to an Advisor.
Activation for Pre-Owned Vehicles PrintPrint these instructions
In order to activate your OnStar system, you will need to first choose a subscription plan. Browse our Plans and Services to see all of the invaluable safety, security, and convenience services OnStar provides. Then follow the instructions below.

Push the blue OnStar button in your vehicle.
  • If a live OnStar Advisor responds, ask the Advisor about the status of the OnStar services in your vehicle.
  • If you hear a recorded message, push the blue button a second time to speak to a live Advisor.
NOTE: If you are not connected with OnStar after pushing the blue OnStar button in your vehicle, please contact us at 1.888.4.ONSTAR (1.888.466.7827) and an Advisor will assist you.