Right after a crash, stay calm and prioritize safety. Move to a safe spot, then...

https://www.expertlawfirm.com/what-to-do-after-a-car-accident-in-texas-a-step-by-step-legal-and-practical-guide/

Right after a crash, stay calm and prioritize safety. Move to a safe spot, then call 911 for a police report. See a doctor immediately, even if you feel fine. Take pictures of the damage and grab contact info from witnesses