Removal Procedure

Remove rear bumper fascia. Refer to Rear Bumper Fascia Replacement (CTS) and Front Bumper Fascia Replacement (CTS-V)

Fig 1: View Of Rear Object Sensor
Courtesy of GENERAL MOTORS COMPANY
Disconnect electrical from the rear object sensor.
Lift the locking tabs on the housing and remove the rear object sensor.
NOTE: The rear 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.