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

Headliner Components


Object Number: 1507661  Size: LF
(1)Reading Lamps - Overhead Console
(2)Garage Door Opener
(3)Dome / Reading Lamp - Left
(4)Rear Park Assist (RPA) Display
(5)Dome / Reading Lamp - Right
Figure 2:

Rear of the Passenger Compartment


Object Number: 1507685  Size: LF
(1)Audio Amplifier
(2)Remote Control Door Lock Receiver (RCDLR)
(3)Navigation Antenna
(4)Rear Window Shelf
(5)Rear Parking Assist (RPA) Module
(6)Electronic Compass Module
(7)Rear Compartment Courtesy Lamp