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Connect now and activate free services for a limited time

Enjoy the safety, security and connectivity services that are already in your vehicle for up to 3 months*72 with no cost and no commitment. We’ll even let you know ahead of time when your free services expire. Take a look at what you get when you activate today.


Drive with confidence knowing our Emergency-Certified Advisors*64 and safety and security services are ready to help 24/7.

  • Automatic Crash Response*4

    Built-in sensors can automatically alert an OnStar Advisor, who can then notify first responders on your behalf.

  • Stolen Vehicle Assistance*18

    OnStar Advisors can work with authorities to help recover stolen vehicles quicker and safer.

  • Roadside Assistance*4

    Help if you have a flat tire, run out of gas or find yourself stranded.

  • Crisis Assist*16a

    Special routing assistance and resources you may need if you’re caught in a disaster or severe weather situation.


Stay connected to your vehicle and the world around you with services that add ease to ownership.


Enjoy 5 years of current standard connectivity that aim to help simplify ownership even after your trial ends.

  • Mobile app*26

    Access select services such as Marketplace, and view your digital Owner’s Manual, vehicle accessories and more.

  • Vehicle Diagnostics*21

    Receive monthly vehicle health updates via email or text alerts.

  • Proactive Alerts*21

    Know ahead of time about potential issues for select vehicle systems (subject to availability).

  • My GM Rewards*127

    Enroll to earn and redeem points for everyday vehicle needs.

Get 2 months at no additional cost

When you choose a monthly renewing plan during the first 15 days of your trial, the first two months of that plan are free and begin immediately after your 1-month trial ends. That’s 3 months of services, on us!

Push your blue OnStar button to activate now, or see what services your vehicle qualifies for by entering your Vehicle Identification Number (VIN) online.