So, has anyone found out how to get into the diagnostic settings for the intelliling R4.0 . I've seen on you tube how to do it for the corsa and insignia (so the nav chaps should be ok) but can't work it out for the astra. There is a screen with what looks like a setting button (dimmed) if you tap on the time and date in the home menu. Any ideas?? I'm just interested in what it tells me.
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