To adjust the level of the headlamp beams, do the following:
Headlamp Leveling
  1. Press to release the control.
  1. Rotate the control in accordance with your vehicle load to prevent you from distracting other road users when the headlamps are on.
Note:   Set the control to zero when your vehicle is unloaded.
Note:   Set the headlamp beams to give between 35–100 m of road surface illumination when your vehicle is partially or fully loaded.
  1. Press to close the control.