1. A motoring aid method for a road vehicle; the method comprising the steps of: generating, using a first electronic device, at least one motoring aid information item as the road vehicle travels along a road having a road surface; converting, using a second electronic device connected to the first electronic device, the information into a graphic display image; and projecting, using a projector arranged in the front side of the road vehicle and connected to the second electronic device, 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 road; and compensating, using a compensating device connected to the second electronic device or to the projector, the body movements of the road vehicle to stabilize the image.