Like, how long of a period until you start seeing things. Weeks, months?
While it likely depends on miles driven, on my car I can deduce it was days...
I flashed what was likely the last revision from Ed while I was at WITW on 13 April 19 (Saturday).
4 Hour drive back home that Sunday.
That 2nd (older video I linked to) was the morning of 15 April 19 (Monday).