Safety first: move to a secure spot and get a medical check immediately. Call...

https://noon-wiki.win/index.php/What_Does_a_Police_Report_Include_After_a_Crash%3F_A_Paralegal%E2%80%99s_Guide

Safety first: move to a secure spot and get a medical check immediately. Call the police for an official report. Snap photos and gather witness contact info. Avoid apologizing or giving recorded statements to insurance adjusters