The color scheme of the RNS-510 in my passat changed overnight from the usual premium colorskin to the plain one with white buttons. Additionally, I think the compass is no longer available in the MFD. Am concerned this might be due to a faulty comfort module or similar? Has anyone else had similar...

For the past week or so, the Polo has started idling rough only when cold. Dealer said this is probably normal and apparently is a "feature" of emission control of EuroV cars and not unique to VW. He said BMW do it too. to get it diagnosed, have to leave the car at the dealer overnight so...