Symbol 3745 from ISO 7000 - Title/Meaning: Child seat, upper tether anchor Function/description: To identify the location of the safety belt upper anchorage attachment point for securing the child seat in the vehicle.
pay attention to orientation of symbolAdditional information: 
May be used as a building block to develop other symbols. This symbol is already used in the automotive industry; however, up to now the symbol was published as unregistered informative symbol within ISO 2575 without symbol description. For the new edition of ISO 2575 the symbol description and registration shall be added
Own work using: iso.org/obp/graphics/grs/129815b4-78ff-40d8-b453-8ae1085bd465 200.png
Vectorization:  Mrmw