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Front and Rear Object Alarm Module Replacement

WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Front and Rear Object Alarm Module
GM1640067Courtesy of GENERAL MOTORS COMPANY
Front and Rear Object Alarm Module Replacement

Callout Component Name
Preliminary Procedures 
Remove the right side trim panel. Refer to Rear Compartment Side Trim Replacement - Right Side .
Refer to Control Module References for replacement and setup information.
1 Object Sensor Module Push Pin Retainers
2 Object Sensor Module
TIP:  Disconnect electrical connectors.