Removal Procedure

WARNING: This page is about a different car, the 2022 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Rear Wheelhouse Liner Bolt(1) - Remove[4x]
Rear Wheelhouse Liner(2) - Reposition
Courtesy of GENERAL MOTORS COMPANY

NOTE:
The object sensor is a one piece design. Do NOT twist the sensor cap to try and remove the painted cap. Replacement sensor requires painting to match fascia/bumper body color.
Lift the locking tabs on the housing and remove the object sensor (1).
Disconnect the electrical connector.