A method of production of software copy protection for a control apparatus in a vehicle, comprising the following steps: • providing a control apparatus with specific control apparatus software, wherein the control apparatus software comprises an authorization query routine for using the control apparatus software; • incorporating the control apparatus into a specific assembly arrangement with at least one component in a vehicle, and coupling the control apparatus to the at least one component such that an extended assembly arrangement is created; • reading out a unique component identifier of the at least one component by means of the control apparatus; • storing the unique component identifier of the at least one component on the control apparatus; • providing an access code for an access query routine of a special memory area of the control apparatus based at least in part on a unique identifier of the extended assembly arrangement created during installation of the control apparatus; • creating an authorization code by means of a creation program of the control apparatus software based on the access code and on at least one partial area of the component identifier of the at least one component selected in accordance with the access code; • storing the authorization code in the special memory area with access query routine of the control apparatus, and activating the authorization query routine of the control apparatus software in connection with the authorization code and the stored component identifier, so that authorization to use the control apparatus software is enabled only in dependence on knowledge of the access code and use of the authorization code, characterized in that the authorization code is created by means of the creation program of the control apparatus software based on the access code and on at least one partial area of the component identifier of the at least one component selected in accordance with a random principle predetermined by the access code, and the authorization code is additionally stored in a redundancy memory by the control apparatus, wherein access to this redundancy memory is made possible exclusively for a manufacturer of the extended assembly arrangement. • providing a control apparatus with specific control apparatus software, wherein the control apparatus software comprises an authorization query routine for using the control apparatus software; • incorporating the control apparatus into a specific assembly arrangement with at least one component in a vehicle, and coupling the control apparatus to the at least one component such that an extended assembly arrangement is created; • reading out a unique component identifier of the at least one component by means of the control apparatus; • storing the unique component identifier of the at least one component on the control apparatus; • providing an access code for an access query routine of a special memory area of the control apparatus based at least in part on a unique identifier of the extended assembly arrangement created during installation of the control apparatus; • creating an authorization code by means of a creation program of the control apparatus software based on the access code and on at least one partial area of the component identifier of the at least one component selected in accordance with the access code; • storing the authorization code in the special memory area with access query routine of the control apparatus, and activating the authorization query routine of the control apparatus software in connection with the authorization code and the stored component identifier, so that authorization to use the control apparatus software is enabled only in dependence on knowledge of the access code and use of the authorization code,