Symbol 3620 from ISO 7000 - Title/Meaning: Run flat tyre; self-supporting tyre Function/description: To indicate that the tyre is categorized as run flat tyre or self-supporting tyre according to ISO 16992
pay attention to orientation of symbolAdditional information: 
When technological limitations on legible reproduction apply, such as when molded directly into the sidewall of a tyre, the tyre shape may be deleted from the symbol
Own work using: iso.org/obp/graphics/grs/1a8781f9-5a9a-4436-a3d0-d1be85344ae9 200.png
Vectorization:  Mrmw