Does Bilt Hamber Korrosol Remove Tar?

Korrolsol is an iron remover. For tar, I use Autosmart Tardis. Nope its a fallout remover as listed on their website not a solvent tar remover. You will need tar remover.

Will fallout remover remove tar?

Fallout Removers

Others soften tar and bird droppings and allow them to be removed easily. Often, fallout removers have a colour change function to allow you to see when the product is working.

Does Iron fallout remover wax?

The iron remove will definitely degrade even the toughest waxes but to varying degrees depending on the exact products. An iron remove isn't a wax stripping though.