Circuit/System Verification
WARNING: This page is about a different car, the 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Contact the OnStar® Call Center first before pressing the emergency button in order to notify them of the test.
- Ignition ON.
- Verify that each button of the S51 telematics button assembly operates normally by pressing each button individually.
- If none of the buttons operate normally
Refer to Circuit/System Testing below.
- If some, but not all, of the buttons operate normally
Test or replace the A10 inside rearview mirror.
- If all of the buttons operate normally
- If none of the buttons operate normally
- All OK.