#automobile_horn__car_horn__carhorn__motor_horn__motorhorn__horn__hooter  a device on an automobile for making a warning noise
  supertype:  alarm_system__alarmsystem__warning_device__warningdevice  a device that signals the occurrence of some undesirable event
  part:  horn_button
  part of:  car__auto__automobile__machine__motorcar  4-wheeled motor vehicle; usually propelled by an internal combustion engine; "he needs a car to get to work"

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