Symbol 2557 from ISO 7000 - Title/Meaning: Convertible top Function/description: To identify the control that raises or lowers the convertible top.
Additional information: 
On road vehicles: symbol of vehicle shall be in outline, shall not be solid.
Own work using: iso.org/obp/graphics/grs/e189a4b6-f05e-4bb7-b6e0-ffb7564b3746 200.png
Vectorization:  Mrmw