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Home >> Cadillac >> 2011 >> STS AWD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Object Detection System - Park Assist System >> Repair Instructions >> Rear Parking Assist Alarm Sensor Replacement >> Installation Procedure

Installation Procedure

    IMPORTANT:

    Do not refinish previously painted sensors.

  1. Paint the new rear object sensor. Refer to Basecoat/Clearcoat Paint Systems .
  2. Check the paint thickness to ensure it does not exceed 6 mils using a paint thickness gauge suitable for non-ferrous metals. Refer to Paint Gauges .
    3. Fig 1: Aligning Keyhole With Key
    GM500505Courtesy of GENERAL MOTORS COMPANY
  3. Align the keyhole (2) with the key (1) and press the rear object sensor bezel flush to the fascia.
    4. Fig 2: View Of Rear Object Sensor Housing
    GM489064Courtesy of GENERAL MOTORS COMPANY
  4. Install the housing to the cutouts on the bezel through the back side of the fascia.
    5. IMPORTANT:

    The spring keys must be on the top and bottom of the housing.

    Fig 3: View Of Spring & Housing
    GM489063Courtesy of GENERAL MOTORS COMPANY
  5. Install the spring (1) to the housing (2).
    6. Fig 4: View Of Rear Object Sensor Assembly
    GM500502Courtesy of GENERAL MOTORS COMPANY
  6. Install the decoupling ring (2) to the sensor (1).
  7. Insert the sensor into the housing (4) with the connector pointing toward the passenger side of the fascia. Press the sensor tabs into the cutouts on the housing (4).
    8. Fig 5: View Of Rear Object Sensor Electrical Connectors
    GM489061Courtesy of GENERAL MOTORS COMPANY
  8. Connect the electrical connector to the rear object sensor.
  9. Install the rear bumper fascia. Refer to Rear Bumper Fascia Replacement .
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