The 2012 Fiat 500c is the Italian carmaker’s novel way to give an open-air driving experience without building a full convertible. The canvas roof folds upon itself and gathers near the rear spoiler. It sounds neat, and it certainly adds even more eccentricity to this cute mini car, but there are many small problems, according to Cars.com Executive Editor Joe Wiesenfelder. In fact, all those small issues lead to one very big annoyance that this small car can’t shake.