After a wreck, prioritize safety and call 911. Always get a medical checkup...

https://wiki-coast.win/index.php/How_Does_Fault_Work_in_Texas_Car_Accidents%3F_A_Paralegal%E2%80%99s_Guide_to_the_Paper_Trail

After a wreck, prioritize safety and call 911. Always get a medical checkup immediately, even if you feel fine. Get an official police report, take plenty of photos, and gather witness contact info. Stay calm and never admit fault at the scene