A system for controlling the navigation of an automobile vehicle provided with a removable cover system depending on the transported cargo, characterised in that it comprises: a vehicle control system and a remote site, the control system comprising a first comparison means, capable of periodically comparing a position signal of the removable cover received from a means for locating the position of the removable cover to a value associated with a position of the removable cover, a control means capable of transmitting a volume request to means for determining the transported volume depending on a measurement of the vehicle mass and the density of the cargo and/or a request for the floor surface area occupied by the cargo to a calculation means and a request for the position of the vehicle to a positioning device, the volume request and/or the request for the occupied floor surface area are transmitted upon receiving a signal from the first comparison means, transceiving means (13, 14) capable of transmitting the volume and/or floor surface area determined and the position determined of the vehicle to a remote site and capable of receiving at least one request for loading another cargo from said remote site, comprising at least one position of the other cargo to be loaded, a description of the other cargo to be loaded and a volume and/or floor surface area of the other cargo to be loaded, and means for displaying the request for loading the other cargo to be loaded, and the remote site being provided with processing and storage means, capable of receiving the volume and/or floor surface area and the position determined of the vehicle, capable of receiving at least one request for loading the other cargo to be loaded to the vehicle, capable of determining whether the vehicle can accept the request for loading the other cargo to be loaded depending on specifications of the vehicle, the position of the vehicle and the request for loading the other cargo to be loaded. a vehicle control system and a remote site, the control system comprising a first comparison means, capable of periodically comparing a position signal of the removable cover received from a means for locating the position of the removable cover to a value associated with a position of the removable cover, a control means capable of transmitting a volume request to means for determining the transported volume depending on a measurement of the vehicle mass and the density of the cargo and/or a request for the floor surface area occupied by the cargo to a calculation means and a request for the position of the vehicle to a positioning device, the volume request and/or the request for the occupied floor surface area are transmitted upon receiving a signal from the first comparison means, transceiving means (13, 14) capable of transmitting the volume and/or floor surface area determined and the position determined of the vehicle to a remote site and capable of receiving at least one request for loading another cargo from said remote site, comprising at least one position of the other cargo to be loaded, a description of the other cargo to be loaded and a volume and/or floor surface area of the other cargo to be loaded, and means for displaying the request for loading the other cargo to be loaded, and the remote site being provided with processing and storage means, capable of receiving the volume and/or floor surface area and the position determined of the vehicle, capable of receiving at least one request for loading the other cargo to be loaded to the vehicle, capable of determining whether the vehicle can accept the request for loading the other cargo to be loaded depending on specifications of the vehicle, the position of the vehicle and the request for loading the other cargo to be loaded.