First, move to safety and call the police for a report. Seek medical care...

https://wiki-zine.win/index.php/What_If_the_Insurance_Company_Says_I%E2%80%99m_More_at_Fault%3F

First, move to safety and call the police for a report. Seek medical care immediately, as some injuries take time to appear. Take photos of the scene and gather witness details