Thanks guys - i dont have access to VAGS so I'm not sure about enabling that secret menu. Am fairly computer savvy but am a bit hesitant to start updating firmware versions quite yet.
Will take it back in and mention the VCDS settings to the service centre (who said there was nothing wrong - they said the new RNS units are quieter).
The thing is all this was working fine a few days ago. Do these units occasionally "reset" themselves and revert to default settings (ie german, no cam installed, no interface with MFD)?
Replacing the entire unit seems extreme - which is what the service centre did the last time this failed.
Thanks again for all the advice.
JW
Mk VI GTI 2 door Manual, Park Assist, RVC, RNS 510
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