Im sure you figured it out by now but you can force display into night mode full time in settings menu of infotainment. Looks way better than the white display in my opinion.
This thread talks about tsb last year for whistle. For the record my 22 without the lines does not whistle.
https://www.bronco6g.com/forum/threads/ssm-50324-mirror-whistle-fix-from-ford-redesigned-mirror-cap.30142/
First and last post are only usable points in that thread, it unfortunately...
Updated with answer:
This thread talks about TSB last year for mirror whistling sound. For the record my 2022 without the lines does not whistle.
https://www.bronco6g.com/forum/threads/ssm-50324-mirror-whistle-fix-from-ford-redesigned-mirror-cap.30142/
Original post:
Silver one is a July...