Circuit/System Verification

WARNING: This page is about a different car, the 2018 Chevrolet Bolt EV. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Before pressing the emergency button, contact the OnStar call center to notify them that testing is being performed and an actual emergency does not exist.

Ignition - On/Vehicle - In Service Mode
Verify the function: OnStar Buttons - All
- If none of the functions work properly
  Refer to Circuit/System Testing.
- If at least one of the functions work properly
  Replace the component: S51 Telematics Button Assembly
- Go to next step: If all functions work properly
All OK.