GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Below Center of I/P Upper Trim Pad


Object Number: 629215  Size: SH
(1)Remote Control Door Lock Receiver (RCDLR) Connector
(2)Remote Control Door Lock Receiver (RCDLR)
Figure 2:

Front Overhead Console


Object Number: 760729  Size: SH
(1)OnStar Button Assembly (UE1)
(2)Cellular Microphone (UE1)
(3)Garage Door Opener (UG1)