I did also look down the holes but couldn’t find any sound thing in there at all… What a weird thing for them to leave out
3 points
Yep, it’s a trim level thing.
I worked in an import dealer for a while back then, lots of upgrades installed by the mechanics, saw how sub harnesses and components to complete an upgrade came as a package. Those guys were fast, knew the shortcuts to get things installed without taking half the car apart.