First, pull to safety and check for injuries. Always call the police to secure...

https://tango-wiki.win/index.php/What_Should_I_Do_If_My_Car_Accident_Involved_a_Commercial_Vehicle%3F

First, pull to safety and check for injuries. Always call the police to secure an official report. Snap photos of the damage and gather contact info from witnesses. See a doctor immediately, even if you feel fine