The with or without signal lamp is the turn signal built into the mirror. As far as replacing it you pop the mirror glass off of its bracket and there's a few tabs on the inside of the housing you have to release. Look through this thread they talk about disassembling the mirror. I would double...
From what I've gathered is that the civic comes with a whole host of different options and features in different countries (for compliance with local laws?) so for example their kit for the folding mirrors, minus pinning a few wires into connectors, is plug and play and all Honda branded parts...
I'm not sure if anyone has installed it yet but I'm guessing this might be what you're after. https://mikstoreph.com/collections/civic-2022-exterior-accessories/products/honda-lanewatch-kit?variant=46656095748346. You could reach out to them and see if they know if it'll work on the Integra as well.
Is there any known source of a wiring diagram out there for these cars? In particular I'm after the pin outs for the headlight connector and the active noise module. I have access to the online Chilton manuals and they don't have anything in there yet.
I've started to notice this problem on my spoiler as well. My question is I'm the second owner of my car and it had the spoiler on it when I got it. I have no clue if it got installed by a dealer or the previous owner. Am I likely sol on any kind of warranty claim?
Part number for the red lights is 34750-T20-R01. If you're trying to find them on the dreamshop I believe they only show up if you look up a type r but you can find them for about half the price on different websites. As of right now that's the only color that's direct replacement made by Honda...