The **chain of survival** is the set of actions that must be taken in the event of a traffic accident to maximize the chances of saving lives and minimizing damage. This chain is based on the **PAS rule**, which stands for **Protect, Alert, and Rescue**.

- **Protect**: The first step is to secure the accident site to prevent further dangers. This includes protecting yourself, the victims, and the accident site. You should park the vehicle in a safe place, turn on the hazard lights, and wear an approved reflective vest. Additionally, it is important to signal the accident area so that other drivers are alert and emergency services can easily find the location.


- **Alert**: Once the site is protected, you must call emergency services to inform them of the accident. Provide clear details about the location and severity of the accident so they can arrive quickly.

- **Rescue**: If it is safe to do so, provide assistance to the victims. This may include moving an injured person only if their life is in danger at the location where they are. It is crucial to do this carefully, maintaining the alignment of the head, neck, and body to avoid further injuries.


Following this chain of actions is essential to act effectively in the first minutes after an accident, which can be crucial for saving lives and reducing the impact of the accident.