LANE-RELATED VISUAL ASSISTANCE FUNCTION IN A HEAD-UP DISPLAY FOR A MOTOR VEHICLE

A head-up display and methods for providing a lane-related visual assistance function with a head-up display for a motor vehicle. Information is obtained regarding a driving lane currently travelled on by a motor vehicle. A characteristic value is obtained, which describes an uncertainty regarding the lane-related display of a virtual object serving as a visual assistance function with the head-up display. At least one virtual object is displayed as a visual assistance function, wherein the object is displayed such that it runs along at least a portion of the lane from the perspective of the driver, wherein a length of the object along the lane is defined according to the magnitude of the characteristic value.