An autonomous vehicle comprising: an autonomous driving control device configured to request to control an emergency light or a turn signal light corresponding to a travel situation during autonomous driving; a user input device configured to receive a user input, wherein the user input is an emergency light control request or a turn signal light control request; characterised in that the autonomous vehicle further comprises: a body control device configured to: flash the emergency light or the turn signal light in response to the request to control an emergency light or a turn signal light of the autonomous driving control device ; control the emergency light or the turn signal light in response to the user input when the user input is received while flashing the emergency light or the turn signal light; determine whether a first turn signal light or the emergency light is in a necessary flashing state when the user input is received while the first turn signal light is flashed in response to the request of the autonomous driving control device , wherein the necessary flashing state is a state where a flashing state must be maintained; and suppress the user input while maintaining the flashing of the first turn signal light when the first turn signal light is in the necessary flashing state or the flashing of the emergency light when the emergency light is in the necessary flashing state. an autonomous driving control device configured to request to control an emergency light or a turn signal light corresponding to a travel situation during autonomous driving; a user input device configured to receive a user input, wherein the user input is an emergency light control request or a turn signal light control request; characterised in that the autonomous vehicle further comprises: a body control device configured to: flash the emergency light or the turn signal light in response to the request to control an emergency light or a turn signal light of the autonomous driving control device ; control the emergency light or the turn signal light in response to the user input when the user input is received while flashing the emergency light or the turn signal light; determine whether a first turn signal light or the emergency light is in a necessary flashing state when the user input is received while the first turn signal light is flashed in response to the request of the autonomous driving control device , wherein the necessary flashing state is a state where a flashing state must be maintained; and suppress the user input while maintaining the flashing of the first turn signal light when the first turn signal light is in the necessary flashing state or the flashing of the emergency light when the emergency light is in the necessary flashing state. flash the emergency light or the turn signal light in response to the request to control an emergency light or a turn signal light of the autonomous driving control device ; control the emergency light or the turn signal light in response to the user input when the user input is received while flashing the emergency light or the turn signal light; determine whether a first turn signal light or the emergency light is in a necessary flashing state when the user input is received while the first turn signal light is flashed in response to the request of the autonomous driving control device , wherein the necessary flashing state is a state where a flashing state must be maintained; and suppress the user input while maintaining the flashing of the first turn signal light when the first turn signal light is in the necessary flashing state or the flashing of the emergency light when the emergency light is in the necessary flashing state. <EOS>