Audi world, some of which are shared with other VW Group marques although many sub-assemblies such as engines and transmissions are manufactured within other Volkswagen Group plants. Audi's two principal assembly plants are: Outside of Germany, Audi produces vehicles at: In September 2012, Audi announced the construction of its first North American manufacturing plant in Puebla, Mexico. This plant is expected to be operative in 2016 and produce the second generation Q5. From 2002 up to 2003, Audi headed the Audi Brand Group, a subdivision of the Volkswagen Group's Automotive Division consisting of Audi, Lamborghini and SEAT, that was focused on
Audi Navigation Plus Audi Navigation Plus Audi Navigation Plus is an in-car media and navigation system developed by Audi. Unlike the Audi Multi Media Interface, it can not control climate, convenience, suspension or engine settings. Audi Navigation Plus units were available mostly as an optional equipment instead of standard stereo systems. Audi labeled three devices (of which the first two look identical) as Navigation Plus. Those units are technically known as RNS-C/RNS-D and RNS-E, where RNS stands for "Radio Navigation System". The RNS-C and RNS-D devices look identical and are very similar to Volkswagen MFD installed in some Volkswagen, Skoda, SEAT and Ford