Method and device for controlling specific functions of a load-carrying vehicle when dumping and/or loading the load-carrying platform of the vehicle. The device includes a maneuvering organ (control input) that is arranged in the cabin of the load-carrying vehicle for hand maneuvering by the driver. The maneuvering organ (control input) is coupled to at least one of the brakes of the load-carrying vehicle and to the gearbox of the load-carrying vehicle so that it when activated may activate the brake and select a neutral position in the gearbox.