I'm no pro either. But I'm going to figure some things, and hopefully I might be right about these thoughts. I'm guessing your car has been in your ownership a full year already? If so, you're most likely going to need something more that these other two products mentioned to get your paint back into a pristine shape first.
The other's suggestions are some good ones. Collinite 845 Insulator Wax is an outstanding product, especially considering the price. That very same Wax is sitting on my White Tahoe (in my Avatar) as I type this.
It lasts a long time, is easy to apply, and remove, and truly gives an outsanding beautiful look. But, it contains no polishes, and only cleans the paint by the solvents that are in it. Which in truth is sort of lacking, compared to products that specifically clean, or clean-polish-shine up the paint itself. Your piant will look very nice, but the Collinite 845 will only actually "hide" some of any swirling or fine scratches. not permanently remove them.
The Opti-Coat as well, a highly durable synthetic sealant will not correct the paint finish, only seal what's already there as far as paint condition.
A simpler route, would perhaps be to at least Clay the vehicle after a good washing. Clay Bar Kits are easy enough to obtain, even places like Walmart usually sell either Mother's, or Meguiars Kits, which include a Spray Detailer-Clay Lube.
At least do this first to remove dirts, contaminants from the paint surface.
You might actually be better served at first by an All In One Product, that is a Cleaner, a Polish and a Wax-Sealant. I would first concentrate on getting youe paint into a nice shape first.
A really quite nice all in one product that I have recently used, and bought online from (dare I say it, "autopia!!) is Optimum GPS, which stands for "Glaze-Polish-Sealant".
This product can be used either by hand, or by machine, it is very easy to use, easy on, easy off, apply like a wax, and would be virtually impossible to get in trouble with, either by hand, or DA Machine.
I did my entire 6'x12' White Cargo Trailer with this product last week. A Trailer that hasn't seen any care products in close to two years. The finish was oxidized, looking pretty sad. Other than permanently etched bird bombs in the finish, which won't come out with any product, the Trailer now has a finish that looks like brand new.
I estimate I used a total of about 5 oz of product with the Porter Cable DA Machine, which I figure this trailer is probably about the equivalent of two Ford Fusions in Paint Area. A little goes far.
There are of course other very good all in one products available, either here online, or in stores. I myself would probably take this route first, just to sort of get "caught up" with your paint finish for the time being.
In any case, do indeed get some sort of protection on it. Mark