Method and device for parking a vehicle

In a method and a device for assisting a reverse parking operation of a motor vehicle equipped with a rear-view camera system into a perpendicular parking space, wherein the image of the rear environment of the motor vehicle is displayed on a display of the motor vehicle, during the reverse parking operation the driving envelope determined by the steering angle is represented by two 3D symbols, in particular 3D guide rails, displayed in the image of the rear environment of the motor vehicle.