Communication Interface Module Replacement
WARNING: This page is about a different car, the 2008 Saturn Outlook, 2008 GMC Acadia, and 2008 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
If the OnStar® communication interface module is replaced, the setup procedure needs to be performed. Please refer to OnStar Reconfiguration (with TIS 2 Web Gen 4 and later) or OnStar Reconfiguration (without TIS2web Gen 3 and prior) .