Symbol 3437 from ISO 7000 - Title/Meaning: Automatic transmission mode Function/description: To indicate that the transmission is functioning in automatic operating mode whereby the transmission gear is selected without intervention by the operator.
pay attention to orientation of symbolAdditional information: 
Symbol shall be used only when both manual and automatic transmission modes are available on the same machine or when it is important that the operator understands that only an automatic transmission is available.
Own work using: iso.org/obp/graphics/grs/2c5287d2-0c03-4f52-b475-d5dd11a42391 200.png
Vectorization:  Mrmw