Circuit/System Verification
WARNING: This page is about a different car, the 2011 GMC Acadia, 2011 Chevrolet Traverse, and 2011 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
Ignition ON, verify the OnStar® voice recognition is operating normally.
- If the OnStar® voice recognition is inoperative, refer to OnStar Microphone Malfunction .