Well first of all congrats on your new vehicle
Now I've detailed quite a few brand new vehicles, when I say new straight off the lot and I would definetly clay the vehicle. You will be surprised to see how much contamination comes off the vehicle. As for the light swirls it has, I would rather use a mild polish combined with a polishing or finishing pad, depending if you use a DA or rotary and how hard the clear coat is.
If you have any Menzerna products I'd say treat the vehicle to a light polish, you'll notice the difference.
Well that's just my