UNECE regulations require further angling the headlamp vertical aim downward based on the vehicle height. This page[1] has some common values: [1] http://www.

UNECE regulations require further angling the headlamp vertical aim downward based on the vehicle height. This page[1] has some common values: [1] http://www.danielsternlighting.com/tech/aim/aim.html http://www.danielsternlighting.com/tech/aim/aim.html