First, get to safety and call 911 to ensure there is an official police report....
https://www.expertlawfirm.com/what-to-do-after-a-car-accident-in-texas-a-step-by-step-legal-and-practical-guide/
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