Symbol 0151 from ISO 7000 - Title/Meaning: Headlamp levelling control 
Function/description: To identify the control which allows up or down adjustment to the forward facing high (main) or low (dipped) beam.
Own work using: iso.org/obp/graphics/grs/93d4270c-9db6-4966-821c-59b179f210fa 200.png
Vectorization:  Mrmw