Originally Posted by Rowe

ideally you'll need a decent IPA or tar remover.

I use Tardis on mine with a microfibre pad. Spray it on clean and dry paintwork and lightly work it in. The tar should dissolve

Then you can clay the surfaces ready for polish, seal, and wax


Tardis is also very good for preparing panels before polish, and after polish ready for the wax (depending on what wax you use)