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Calibration Procedure

WARNING: This page is about a different car, the 2018 Buick Regal TourX and 2018 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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