Goodwrench Service
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OnStar Vehicle

Diagnostics¹

Now you can drive with more confidence knowing that you're prepared for the road ahead.

  • About every 30 days, some of your vehicle's key systems like your engine, air bags and antilock brakes are checked while you drive. Then you receive an automatic email report.
  • Each email report also includes your current odometer reading, remaining oil life, maintenance reminders, subscription notices and more.
  • Between monthly reports, you can also request GM Goodwrench On Demand Diagnostics checks - just push your blue OnStar button.

Learn more about OnStar Vehicle Diagnostics at OnStar ® .

1 Capabilities vary by model. Visit OnStar ® for details and system limitations.