Stay calm and move to safety. See a doctor immediately, even if you feel fine....

https://www.kilobookmarks.win/after-a-crash-move-to-safety-and-check-for-injuries-immediately-call-911-to

Stay calm and move to safety. See a doctor immediately, even if you feel fine. Call the police for a report. Take photos and get witness info. Don’t admit fault or sign insurance papers early. Texas deadlines matter, so act quickly.