General rules defining the driver's behavior in the event of a breakdown or accident, providing first aid

Is it correct to place a warning triangle at a distance of 30-50 m behind the car, if the car breaks down on an express road?

In the presented situation are you obliged to stop in all cases?

If you are involved in an accident in which people are killed or injured, do you have the right to remove its consequences yourself?

Are you obliged to give necessary aid to the victim of the accident in this situation?

In the presented situation, seeing the injured person with his head submerged in the water, should you leave him unmoved for fear of injuring his spine?

When calling the emergency number in this situation should you first of all state the place of the incident?

You know that the emergency services will arrive to the scene of the accident soon. Should you persuade the perpetrator to take the injured person to the hospital?

You are involved in an accident in which only your vehicle was damaged. Are you obliged to remove it from the place of the accident, so that it does not block the traffic or pose a threat to other traffic users?

Once you reach an accident spot, can you secure such a spot by appropriately positioning your car and turning on your emergency lights?

If you're involved in a car accident, are you obliged to provide the details concerning motor third-party liability insurance at the request of another person involved in the accident?