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Online OnStar Subscription

You already have OnStar in your vehicle — you just need to activate it to enjoy greater confidence on the road. OnStar helps you whether you're in an emergency — or just in a jam.

Your system can do things like send help when you need it, guide you to your destination, email you about your car's systems and unlock your door for you. It's what your vehicle should do. And because you've got a GM, yours does. Activate your system today!

Subscribing is as easy as 1-2-3:

  • Step 1: Complete and submit the online Activation Set-Up Form.
  • Step 2: Allow two hours for us to process your account information and prepare your OnStar system for activation.
  • Step 3: Push your blue OnStar button in your vehicle to complete the activation process with an Advisor.

Required fields are marked with an asterisk (*).

 You must select a model year to continue.

If your vehicle is a 2005 model year or earlier, click here for more information.

To help expedite the activation process and ensure account accuracy, enter your VIN below.