Data plays a crucial role in promoting more sustainable, customer-centric, and connected mobility. In order to offer new, innovative services and service offerings to OEMs, third parties are requesting access to data, functions, and resources available in the vehicle. In addition to the Data Act, which is already aimed at increasing data availability across industries, measures are currently being discussed within the European Commission to further specify the Data Act concerning the automotive industry and to facilitate third-party business models. A draft for such sector-specific regulation is expected to be presented by the European Commission in 2023. Since a possible sector-specific regulation (in-vehicle access to data, functions, and resources) is not yet available as a draft, the Association of the Automotive Industry (VDA) would like to provide fundamental recommendations for vehicle access to data, functions, and resources in the following.