As the automobile industry grows increasingly reliant on software, German car marker Volkswagen has admitted that it needs more time than originally expected to build up its own digital systems for future vehicles. During an industry meeting in Germany on Wednesday, company boss Herbert Diess explained that the problem wasn’t only “the software itself. It’s also the entire software architecture as a key building block for much else around it.” Besides developing software, VW subsidiary CARIAD (the firm’s software company which is also working on a unified software platform for all vehicles of …