Symbol 0649A from ISO 7000 - Title/Meaning: Heated seat Function/description: To identify the control for the device that warms the seat cushion and seatback. To indicate the operational status of the heated seat.
Additional information: 
Applicable to those controls which are fitted on the instrument panel, or in the near vicinity of the driver, in a road vehicle.
Own work using: iso.org/obp/graphics/grs/522a8fcc-e309-46b6-a859-cf8cc4b4a344 200.png
Vectorization:  Mrmw