Audi AG was founded in its modern form in 1969 through the merger of Auto Union and NSU, though the Audi name dates to 1909. The four rings in its logo represent the four companies of the Auto Union: Audi, DKW, Horch, and Wanderer. Audi is a member of the Volkswagen Group and positions itself in the progressive premium segment alongside BMW and Mercedes-Benz. Known for its Quattro all-wheel-drive system, introduced in 1980, and the Virtual Cockpit digital interface. Audi distributes through authorized importers in Singapore, Philippines, and Thailand.