No glass door.
STB is below tv, on separate shelf.
Yes, the indcator on STB flash when remote button is press.
4 remotes from Verizon did not fix it, 5th one is here and new STB is on the way.
Two big issue is programming remote and slow respond from STB.
So, bottom line, 4 remotes from Verizon did not work, 5th one came in today but I won't touch 5th remote until replacement STB arrive tomorrow.