The interior protection is a good idea. But hopefully you'll never have to cash in on the warranty for it. As for the exterior waxing, eventually you'll need to put some other type of coating on it. If the paint is smooth, then you don't need to clay it, but if you start to feel roughness on the surface, you'll want to start with a claybar treatment. This will likely strip off what's left of the long life coating, but all part of the process. I use a meguiars clay bar kit and then if the paint has scratches or swirls, I'll use some of the meguiars polishing compounds, there's different levels for the required corrections. I only go as deep as necessary to get the worst of the scratches out, then move on to protection.
So if the paint is smooth and relatively scratch free, I move right to protection and skip the clay and polishes. Both of those processes I use sparingly. I don't have a show car, so I don't need 100% perfection.
Once I get to the protection phase, I go with two klasse products. Klasse all in one and Klasse sealant. Red bottle and silver bottle, respectively. I apply with a random orbit buffer very sparingly. Once those are applied I add a layer of paste wax. Carnuba or similar will do, whatever brand you like. I like the meguiars line of products, so I use those, but use what you prefer.
That regimine is my yearly detail. I try to do it in the spring or at least before the snow flies. At the least, I'll put a coat of Klasse all in one on there are a wash at least once during the spring/summer months if the paint is relatively smooth.
For your ride, I'd just keep an eye on the water beading, and when it starts to fall off, then it's probably time to coat with some type of sealant. Autogeek is a great website to check out. And for the tutorials on processes and techniques, I recommend ammonyc on YouTube. The guy has some great videos and he knows his stuff.
Good luck.
