Symbol 0246 from ISO 7000 - Title/Meaning: Engine coolant temperature 
Function/description: To indicate that the engine coolant may be overheating or fails outside of specified parameters. To identify the engine coolant temperature gauge.
Own work using: iso.org/obp/graphics/grs/ac8ce222-572b-470b-9908-0e8ffb0b765e 200.png
Vectorization:  Mrmw