Radio Replacement
WARNING: This page is about a different car, the 2008 Pontiac G8. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If both the radio and the faceplate are replaced, only the radio must be programed. If either the faceplate or the radio are replaced individually, the fascia (faceplate must be relinked to the radio or IRC (integrated radio controller) using Service Programming System (SPS)
If the radio is replaced, the following procedure must be performed:
Refer to Service Programming System (SPS) .