Svs ultra piano gloss cleaner?

Sure. Or quick detailer spray by maguires. Auto parts stores will have it.

Usually if you rub a fingernail over a scratch and you can feel it, you'll need to rub it out with some polishing compound before waxing. Maybe even machine polishing.

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Do you recommend a certain one ?

I use this on my cars.
http://www.meguiars.com/m-en/product/4285/gold-class-premium-quik-detailer
And this
http://www.meguiars.com/m-en/product/1673/gold-class-carnauba-plus-liquid-wax
This looks interesting too.
http://www.meguiars.com/m-en/product/4279/gold-class-premium-quik-wax
Those are light duty, and great for fingerprint removal, and general polishing.
The more I think of it, if you need to get out the heavy duty stuff, you may want to call SVS to find out what they use first. I have a lot of experience so I'd just go after it, but not knowing your experience level it might be good to call them. Just to make sure.


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Meguiar's makes a light polishing compound safe for clear coats and specifically designed to remove faint scratches and swirl marks. http://www.meguiars.com/en/automotive/products/g18116-polishing-compound/

Avoid rubbing too much on edges and corners as these locations are the most vulnerable to excessive clear coat/paint removal.