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Rear Parking Assist Alarm Sensor Replacement

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Rear Parking Assist Alarm Sensor
GM4372088Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Remove Rear Bumper Fascia. Refer to Rear Bumper Fascia Replacement
1 Rear Parking Assist Alarm Sensor

Procedure

  1. Disconnect the electrical connector.
  2. Release the locking tab from the advance parking assist alarm sensor bracket.
NOTE:

Do not refinish previously painted sensors. Excess paint build up will cause the sensor to be inoperative