Only thing I can help you with is that time and date had to be set using the ecuscan software, I can't recall exactly where the setting was, but I set mine there. My boost gauge also went dark, possibly because I changed a setting that mentioned the shift indicator, I don't mind it being off, since ...

2013 Fiat 500 Abarth Replaced Head unit with pioneer double din Replaced Instrument cluster with tft from 2017 pop I performed the mileage adjustment no problems. Got the time and date set using the software. Set the display up for a 500T because I've read that many functions don't work like gforce ...