GM Service Manual Online
For 1990-2009 cars only

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

Radio Replacement

If the radio is replaced, the following procedure must be performed:

W/O UM8--Reprogram the radio. Refer to Service Programming System (SPS) .

W/ UM8--Perform the radio setup only if a theftlock condition exists. Refer to Radio Setup in Entertainment.