LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Tesla >> 2017 >> Model X P100D >> Repair and Diagnosis >> Electrical >> Body Electrical >> Electrical System -- Model X >> Radar Sensor >> Calibration - Front Radar Sensor >> DAS 1.0 and DAS 2.0 >> Horizontal Alignment
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Horizontal Alignment

NOTE: Perform the "Vertical Alignment" procedure before performing the "Horizontal Alignment" procedure.
  1. Connect a laptop with Toolbox 2.0 or later to the vehicle.
  2. Perform the Radar Service Drive Alignment (SDA) procedure:
    NOTE: Bring the adjustment screwdriver in the vehicle during the drive cycle.
    NOTE: The following steps require an assistant.
    1. Put the vehicle in Park.
    2. Select Panels > Driver Assist > Radar Service Drive Alignment  .
    3. Click the Start/Play  button.
    4. Follow the onscreen instructions.
      WARNING: Perform the calibration procedure in a suitable location and comply with all local traffic safety laws.
      NOTE: If the test drive shows the vehicle to track poorly or pull to the side, or if steering is sloppy or off center, then perform a four wheel alignment check. See FOUR WHEEL ALIGNMENT CHECK .
  3. If Toolbox determines that the radar sensor needs to be adjusted, adjust the horizontal set screw:
    1. Remove the front apron Assembly - Underhood Apron - Front (Remove And Replace) .
    2. Adjust the horizontal set screw as necessary.

      Tip: It might be easier to locate the set screw using a flashlight.

      CAUTION: Do not use any lubricant while adjusting the radar sensor.
      NOTE: Components have been removed in this graphic to aid clarity.
      NOTE: Model S shown; Model X is similar.
      G15203038Courtesy of TESLA, INC.
    NOTE: If necessary, use the following images as a guide.
    Clockwise turn Counterclockwise turn
    G15203039Courtesy of TESLA, INC.
    G15203040Courtesy of TESLA, INC.
  4. If the radar sensor was adjusted in the previous step, perform steps 2 and 3 until Toolbox determines that the radar sensor does not need to be adjusted.
  5. Read DTCs:
    1. In Toolbox, select Panels > Alerts > DTCs  .
    2. Ensure that the "Check all" box is checked.
    3. Click Read DTCs  .
    4. Clear DTCs as necessary.
  6. Perform a road test to check Autopilot and Traffic Aware Cruise Control operation.
scientia non olet · About LEMON Manuals