Get to safety and see a doctor immediately. Call the police for a report, snap...

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

Get to safety and see a doctor immediately. Call the police for a report, snap photos of the scene, and collect witness info. Be careful what you tell insurance adjusters, as they often try to minimize your payout