How can we remove black paint from our 2008 Alfa Romeo 147's bodywork?

Our car 2008 Alfa Romeo 147 has been splashed with what appears to be black paint. I've tried tar remover, white spirits and elbow grease, but nothing seems to shift it. Do you have any ideas, please?...

The paint on the roof of my Hyundai i20 is peeling off - will the whole roof have to be repainted?

The paint on the roof of my 12 plate Hyundai i20 is ‘delaminating’. I can get a fingernail under the edge of the paint and lift it off as if it were not adhered to the primer underneath. Does this mean...

Do you recommend ceramic polish to protect paintwork?

I've been looking at wrapping or ceramic polish to preserve my car's paintwork and keep it looking good. Wrapping is pretty pricey, so what do you think of the ceramic polish paint treatment?