Installation Procedure

Paint the rear object sensor. Refer to Basecoat/Clearcoat Paint Systems .
NOTE: Do not refinish previously painted sensors. Excess paint build up will cause the sensor to be inoperative.
Ensure the paint does not exceed 6 mils. Use a paint thickness gauge suitable for non-ferrous metals. Refer to Paint Gauges .
Insert the sensor into the housing.

Fig 1: Identifying Rear Object Sensor Housing
Courtesy of GENERAL MOTORS COMPANY

NOTE: Ensure the silicone decoupling ring is installed on the sensor to avoid sensor failure.
Connect the electrical connector to the rear object sensor.
Install the rear bumper fascia. Refer to Rear Bumper Fascia Replacement (Acadia) , Rear Bumper Fascia Replacement (Enclave) , Rear Bumper Fascia Replacement (Traverse) .