Make sure that the tire pressures are to specification and that the vehicle is not abnormally laden.
Switch the headlamps on and to dipped beam.
Repeatedly operate the headlamp levelling switch through its range, then set it to "0".
Use WDS to make certain that the front wheels are in the straight ahead position.
Set up the measuring screen of the beam setting device to the correct headlamp setting value.
Adjust the headlamps so that the boundary line touches the horizontal line.
NOTE:A stray portion of the dipped beam may cross the 15 degree line.
Adjust the dipped beam so that the rising line of the light/dark boundary lies in the intersection point of the horizontal line and the 15 degree line.