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Calibration Procedure

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON/vehicle in Service Mode.
  2. Install a scan tool.
  3. Navigate to the Configuration/Reset Functions menu of the Headlamp Control Module.
  4. Select Configuration/Reset Functions.
  5. Select Headlamp Leveling Sensor Learn procedure and follow the directions displayed on the screen.
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