8. Put the circuits under pressure and leave the engine idling during the adjustment. 9. Adjusting the headlamps. Use a device such as « Reglolux » or « Regloscope ». Ensure that the vehicle and the adjusting device are on the same plane, a) Loosen without removing, the 2 screws securing the delay device (26) on the front wing and make sure that during the adjustment the delay device (26) does not restrict the movement of the controls.