Cleaning the inside of Model S windshield

The inside of my windshield gets a streaky film on it after a while. After watching a video by ChrisFix, I tried some additional cleaning secrets.
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MUSIC:
Sleepy Jake by Silent Partner

Babylon - Disco Ultralounge by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100314
Artist: http://incompetech.com/

Old Bossa by Twin Musicom is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Artist: http://www.twinmusicom.org/
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