(22)Non-discriminatory access to vehicle repair information, via a standardised format which can be used to retrieve the technical information, and effective competition on the market for vehicle repair and maintenance information services are necessary to improve the functioning of the internal market, particularly as regards the free movement of goods, the freedom of establishment and the freedom to provide services. A great proportion of such information is related to on-board diagnostic systems and their interaction with other vehicle systems. It is appropriate to lay down technical specifications that the websites of the manufacturers should follow, along with targeted measures to ensure reasonable access for small and medium-sized enterprises.