Vehicle having dangerous situation notification function and control method, where the method includes monitoring a vicinity of a host vehicle, detecting a movable object in the vicinity of the host vehicle, predicting a dangerous situation in which a collision between the host vehicle and the object is expected, and displaying a warning mark on at least one of a roadway or a wall surface in a projection mapping method in response to the dangerous situation. One or more of an autonomous vehicle, a user terminal, and a server may be in conjunction with an Artificial Intelligence (AI) module, an Unmanned Aerial Vehicle (UAV), an Augmented Reality (AR) device, a Virtual Reality (VR) device, and a device related to a 5G service, etc.