Symbol 1702 from ISO 7000 - Title/Meaning: Seatbelt, lap belt only 
Function/description: To indicate the status of a two-point seatbelt (belt with no shoulder harness).
Own work using: iso.org/obp/graphics/grs/19383c8e-a00a-42e8-8033-11803ce3af48 200.png
Vectorization:  Mrmw