After a crash, stay calm and move to safety. Call 911 immediately to ensure an...

https://astro-wiki.win/index.php/Why_Delaying_Medical_Care_Hurts_Your_Car_Accident_Claim

After a crash, stay calm and move to safety. Call 911 immediately to ensure an official police report is filed. Even if you feel okay, get a medical checkup right away. Take plenty of photos of the damage and collect contact info from witnesses