First, get to safety and call 911 to ensure there is an official police report....

https://front-wiki.win/index.php/What_Should_I_Say_to_the_Other_Driver_After_an_Accident%3F

First, get to safety and call 911 to ensure there is an official police report. Always seek a medical checkup immediately, even if you feel fine. Document the scene with photos and gather contact info from any witnesses