Be prepared for what’s ahead.
Protect your vehicle with a suite of diagnostic services—ready to help you diagnose and manage vehicle health and maintenance.
How to Access Diagnostics Services
Press Your Vehicle's Blue Button
- Request an on-demand Diagnostics check
Use the updated OnStar RemoteLink®3 app for these features and more:
- View vehicle diagnostics
- Check battery life on electric vehicles
- Start your vehicle9
- Send directions to your vehicle13
- Locate your vehicle17
Every month, your vehicle can run a thorough check of its engine, transmission, antilock brakes and more, and email you the results. If you want to run a diagnostic check when you’re behind the wheel, just ask an Advisor to run one for you.
Dealer Maintenance Notification
Is it time for an oil change? A 60,000-mile checkup? You’ll always know because your car will email your vehicle diagnostics report to the dealer when it’s time, and the dealer will contact you to set up a service appointment.