Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Rear Bumper Fascia (1) - Remove - Rear Bumper Fascia Removal and Installation (without Blackwing) , or Rear Bumper Fascia Removal and Installation (with Blackwing)
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 parking assist alarm sensor (1).
Disconnect the electrical connector.
Courtesy of GENERAL MOTORS COMPANY

NOTE:
If the sensor ring has any type of damage it must be replaced.

Pull the parking assist alarm sensor ring (1) from the sensor.