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

Lower Left Center of Instrument Panel


Object Number: 498584  Size: LF
(1)Rear Compartment Lid Release Switch
(2)Rear Compartment Lid Release Switch Connector
(3)Knee Bolster-Left
Figure 2:

Inside Rear Compartment Lid


Object Number: 498583  Size: LF
(1)Rear Compartment Lid Release Actuator Connector
(2)Rear Compartment Lid Ajar Switch and Connector
(3)Rear Compartment Lid Lock Cylinder