1. A method for visualizing surroundings of a vehicle, the method comprising the acts of: obtaining a visual image, containing digital data of the surroundings, in order to show visually perceptible objects; obtaining an infrared image, containing digital data of the surroundings, in order to show infrared radiation emitted by the visually perceptible objects and/or other objects; fusing the visual image and the infrared image into a target image, which target image is representable in a display unit, in order to simplify an allocation of the infrared radiation emitting objects in a recorded environment, and interrupting the fusing of the visual image and the infrared image as a function of an environment parameter in order to represent only one of the visual and infrared images, or none of the images, as the target image.