ALFA ROMEO 156 OWNER'S MANUAL Pdf Download. Alfa Romeo 156 Owner's Manual . Hide thumbs On your Alfa 156, Alfa Romeo has implemented the best manufacturing tech- nologies to effectively protect the bodywork against corrosion. Page 276 4) Rinse well with water and dry with a formation of rust. The Alfa 156 is guaranteed against jet of air or a chamois leather. perforation due to rust Alfa Romeo Alfa 156 Workshop & Owners Manual | Free Download Alfa Romeo Alfa 156. The Alfa Romeo 156 is a compact executive car produced by the Italian automobile manufacturer Alfa Romeo from 1997 to 2007. It was introduced at the 1997 Frankfurt Motor Show as the replacement for the Alfa Romeo 155.