Installation Procedure

Paint the rear object sensor.
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.
Insert the sensor into the housing.

Fig 1: Rear Parking Assist Alarm Sensor
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 .