I tried the Hydro lite version which was pre diluted. Really easy application, I just wash the car down and then do a few sprays one panel at a time and pressure wash it off. I notice crazy beading qualities for at least two months after application. I used it on wheels but didn't seem to last...
Not sure if these would work, but I would start with clay bar. Or maybe using some super clean? If those don't work, I would try some rubbing hand polish or compound.
I have a black car too and in my experience, it's impossible to prevent swirl marks. Lately, I've been using the combination of Optimum No Rinse, Opti-seal as a drying aid, Optimum Car Spray Wax and it maintains the shine and depth of color really nicely and quickly every time I wash the car...
For those who have a rattle sound coming from the sunroof area, I found this video that helped solved the issue:
Instead of the foam he used in that video, I had some leftover foam applicator wax pads and cut them in half and stacked them and shoved underneath the area where it was rattling...
You should get a Loew Cornell Fine Line Painting Pen and some touch up paint from your local Honda dealership. Watch this video on how to use the pen to touch up rock chips:
The pen is around like 10 bucks or so. Do not buy it for more than that. I know its listed for more but I think those...
P21S!!! Super easy application and buffs real quick! Produces deep shine and great reflections. I love how I can apply it in direct sunlight and/or warmer temperatures outside and it's still easy to buff off. No need to wait a long time to let it sit.
http://www.autogeek.net/p2concarwax.html
Selling 4 EX-T Wheels. One has minor curb rash. Hit me up with your offers. Dealing only in the local San Jose and surrounding area.
Picture of the curb rash wheel attached.