clean the interior of the machine

[GDL88]

Do you know if the active foam also removes those stains yellow typical dark on the roofs of the old cars?
is it best to apply it on the roof to avoid differences?

It sure doesn't hurt, and still remains a good idea to use it in a uniform manner. I personally use the product of the Arexons for the upholstery in general.

[artone]

there are a lot of products are available, which you find in an auto parts store.
if pou ? put really bad the only solution ? the foam, but that of the washing step and which is also found in many diy ;-)