For a person suffering from a **chronic illness**, it is essential to **know their illness well** and **know how to act in case of a crisis** to reduce the risk of having an accident while driving. This is because some illnesses and associated medications can affect the abilities needed to drive safely.

- **Know the illness**: Understanding the symptoms and how they can affect driving is crucial. This allows anticipating and managing situations that could arise while behind the wheel.

- **Know how to act in case of a crisis**: Having a clear plan on what to do if a health crisis occurs while driving is vital for maintaining safety. This includes knowing when to stop and seek help.

- **Avoid alcohol and follow medical treatment**: It is important not to mix alcohol with medications, as this can worsen side effects and increase the risk of accidents. Additionally, following medical treatment and not abandoning it without authorization is essential to keep health under control.

These steps help minimize the risks associated with driving for people with chronic illnesses, ensuring they can drive more safely and responsibly.