| 6.2.5.3. | For headlamp producing the principal passing-beam with a light source having an objective luminous flux which exceeds 2,000 lumens, the vertical inclination of the headlamp shall remain between -0.5 and -2.5 per cent. A headlamp levelling device may be used to satisfy the requirements of this paragraph but its operation shall be automatic.[3] | a0c0 |