(a) The control for changing over to the dipped-beam shall switch OFF all main-beam  headlamps  or  switch  OFF  all  AFS  lighting  units  for  the main-beam simultaneously; 

a10c0
(a) The control for changing over to the dipped-beam shall switch off all main-beam headlamps or de-activate all AFS lighting units for the main-beam simultaneously; a0c0