I also did some of my cars trim panels. One part in particular, a square silver coloured ring, seemed to be nearly always visible in my footage. The A pillars also show up less and other trim bits were just to match up. Hopefully the photos will explain better. Stock, it looked something like this:
View attachment 22846
The most annoying piece:
View attachment 22847
Passenger air vent (did both but only showing one):
View attachment 22848
A-pillars:
View attachment 22849 View attachment 22850
Centre console trim:
View attachment 22851