Symbol 1705 from ISO 7000 - Title/Meaning: Seat (side view) 
Function/description: To identify the control for the seat. To indicate the operational status of the seat.
Own work using: iso.org/obp/graphics/grs/41c4aea8-2c28-4310-88e5-501a8bfd93e3 200.png
Vectorization:  Mrmw