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

Wheel with Tire Pressure Monitor Sensor


Object Number: 698576  Size: LF
(1)Tire Pressure Monitor Sensor
Figure 2:

Rear of Vehicle--Left


Object Number: 698596  Size: LF
(1)Defogger Grid
(2)Electronic Suspension Control (ESC) Module
(3)Remote Control Door Lock Receiver (RCDLR)