Stay safe and call 911 for a police report. Get checked by a doctor right away,...

https://kilo-wiki.win/index.php/What_to_Do_If_the_Other_Driver_Leaves_the_Scene:_A_Paralegal%E2%80%99s_Guide_to_Hit-and-Run_Claims

Stay safe and call 911 for a police report. Get checked by a doctor right away, even if you feel okay. Take photos and collect witness info. Be careful what you say at the scene. Never sign insurance papers without advice