The service campaign is related to the consequences of "dieselgate," which still does not give rest to the Volkswagen concern.

As part of the recall program, the software on the cars will be reprogrammed to improve the environmental friendliness of the engines. The specific list of models subject to recall is not disclosed. It is only known that it will include not only Audi cars, but also Porsche and Volkswagen.

Last week, the Daimler concern announced a similar initiative.