I had my car diamond bright treated by the dealer prior to picking it up. All I ever do now is a quick wash & leather, and everyone says it looks so shiny, so I guess that it does work well. The dirt does come off very easily, and the odd tar spot seems to come off easily too.
One note, I paid the dealer nearly £300 for the treatment.
My daughter recently bought a brand new Seat Ibiza FR and couldn't afford to have the treatment done, so I looked on Fleabay & found both Stage1 & 2 diamond bright treatment (easily enough for more than one car) with no bids. I won the auction for £6.01 and we did her full car in an afternoon. :eusa-think:
Wish I'd waited now & looked before I paid for mine doing, but I am very happy with the result so :eusa-whistle:
There is a care pack available for diamond bright, also found on eBay which consists of shampoo, conserver & glass treatment. I have used the shampoo every time I wish the car & the conserver once a month or so. Seems to make a difference, water goes very bobbly afterwards.
The glass treatment is just like rain x which I have also used & would recommend, especially for the screen.
I used Autoglym alloy wheel sealer on my wheels, seems to make them easier to clean.