GM Service Manual Online
For 1990-2009 cars only

Each of the following service procedures requires programming or setup procedures to be performed on the radio.

Radio Replacement

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 facia (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).