Your wallet is going to hurt.
Looks like the actuators are $1204.78 each.
Hopefully that's all it is. Only thing that's concerning are the yellow cables. Yellow is part of the restraint system. A lot of times, if an airbag blows, other parts need to be changed.
I would not be surprised if...
Not a fan of adding stick on bits and pieces to the interior. Its like a more expensive interior vinyl kit and looks tacky.
As for the exterior pieces, take a few steps away and it'll just look like another black trim.
These are glorified stickers and not mods. Save the money for mods.
Your first manual?
Just go drive and enjoy it. You will learn a lot more by exploring things yourself. Even if the car has been out a while, why wait for someone to answer. Just go check it out. Get a feel for yourself and get use to the sounds. It's safer that way than to stare at the cluster...
Sounds like it was just a clogged drain. Happens often especially if leaves and debris are not cleaned out regularly. Sunroof drain clog is another common cause.
Most cars has the hvac located in the same spot. Not just Nissan specific. That foam tape on the cowl grille is not meant to seal...
It doesn't appear to be jammed in there. Simply placed there after adjustments.
Between the bumper mount brackets and the headlamp mount screws, Nissan can find a few millimeters to adjust the spacing.
I've been in the repair industry for a long time. Those are the areas I would check first...
Nissan does have some parts available in color but are accessory items like mudguards, spoilers, body side moldings, etc. They did sell 350Z fuel doors prepainted.
Mirrors and door handles can be purchased in color from some car manufacturers as well.
Main body parts would not come in...