Vehicle terminal device and control method thereof

A vehicle terminal device installed in a vehicle, the vehicle terminal device comprising:

• a first communicator configured to communicate with a first apparatus included in the vehicle using a first wireless communication;
• a second communicator configured to communicate with a second apparatus outside the vehicle using a second wireless communication;
• a detector configured to detect state information of the vehicle;
• and
• a controller configured to:
• control the second communicator to broadcast an accident alert message for alerting of an accident involving the vehicle to at least one of a third apparatus included in an adjacent vehicle or a traffic management device in response to a determination of the accident based on the state information of the vehicle detected through the detector,
• determine an accident level based on the state information, and
• control the second communicator to transmit at least one of information received from the first apparatus included in the vehicle through the first communicator or the state information of the vehicle detected through the detector, based on the determined accident level, to an external server,
• wherein the transmitted information is different according to the determined accident level, and
• wherein the controller controls the second communicator to transmit, to the external server, passenger information comprising:
• an emergency contact and a human information among the received at least one of information when the accident level is a first level, and
• the emergency contact, a blood information, and a medical history information among the received information when the accident level is a second level, and
• all the received information when the accident level is a third level.