Feels like the normal mess of mib3 in these cars and the systems. Hopefully when you get that firmware installed it will come back ?. Dont' think anybody else has reported issues after a map update on mib3, but perhaps they were on bug fixed newer firmware.
Well the lowering the sound when on reverse came back.
Finally got a message on display that the download OUI2 - 138MB was not possible.
Then another minor updates showed up and were done.
Anyway, going to make the version update to 1969 and see how it goes