... which should I follow after the adventure?
If you are a road user, and such persons include drivers and passengers of vehicles, pedestrians, cyclists, animal herders, then in any case you must follow the Traffic Rules. Yes, according to clause 2.10. According to the rules, in case of involvement in an accident, the driver is obliged to take a number of necessary actions, namely:
immediately stop the vehicle and stay at the scene of the accident;
turn on the emergency alarm and set the emergency stop sign;
do not move the vehicle and objects involved in the adventure;
take possible measures to provide first aid to the victims, call an emergency (ambulance) medical team, and if it is not possible to take the specified measures, ask for help from those present and send the victims to a health care facility;
in case of impossibility to carry out the actions indicated in the previous subparagraph, take the victim to the nearest medical facility with his vehicle, having previously recorded the location of the traces of the accident, as well as the position of the vehicle after it stopped;
notify the authority or authorized unit of the National Police about the accident, write down the names and addresses of eyewitnesses, wait for the arrival of the police;
take all possible measures to preserve the traces of the adventure, fence them off and organize a detour to the place of the adventure;
prior to the medical examination, do not use alcohol, drugs, or medicines made on their basis (except for those included in the officially approved composition of the first-aid kit) without the appointment of a medical professional.