Symbol 3127 from ISO 7000 - Title/Meaning: Automatic idle start/stop Function/description: To identify the control that activates or deactivates the system for automatically starting and stopping the engine when the engine is in an idle state if specified preconditions are met. To indicate the operational status of the system (for example, active, inactive, malfunctioning).
Additional information: 
START/STOP may be added above or below the graphic
START may be added above the graphic and STOP may be added below the graphic
STOP may be added above the graphic and START may be added below the graphic.
Own work using: iso.org/obp/graphics/grs/f095368c-d4ee-4ddb-b9a7-e9e6f30ec052 200.png
Vectorization:  Mrmw