about a year ago, opel had to replace the roof sky – reason were stains that looked like rust, according to opel but sticky. now – no idea if it is due to the heat – the stains (but this time just the bigger) ́re coming up again – could get the puke – was no longer in the workshop, the inspection in May had also improved a lot (e.g. the grinding noise in the front area, if you drive down a short ramp with the antara) and now the – Is it just me and what does a (more definitive) solution look like?