1 ) A motoring aid method for a road vehicle; the method comprising the steps of: generating at least one motoring aid information item as the road vehicle travels along a road having a road surface; converting the information into a graphic display image; and projecting the image onto a portion of the road surface ahead of the road vehicle, to allow the driver of the road vehicle to view the image without distracting the driver's attention from the roads; and compensating the body movements of the road vehicle to stabilize the image.