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

Rear Park Assist - UD7


Object Number: 1883249  Size: FS
Master Electrical Component List
Object Detection Description and Operation
Control Module References
Rear Vision Camera - UVC
Figure 2:

Rear Vision Camera - UVC


Object Number: 1883250  Size: FS
Master Electrical Component List
Object Detection Description and Operation
Control Module References
Rear Park Assist - UD7