"VW must immediately initiate discussions with ARB to discuss the testing results that appear to confirm the presence of a defeat device in the GVGAJ03.0NU4, EADXT03.02UG and FPRXT03.0CDD Test Groups and the implications on other 3.0 liter diesel product lines. VW must ensure that the appropriate Audi and Porsche AG management and engineering staff are [...]