Not normal for a brand new car, but rear suspension make a tapping noise , (like when you have bad shocks, or some bushing problems), at very low speed, when passing over little bumps. Trying to identify the source of the problem, I removed everything from the trunk, floor panel, emergency tools, spare wheel). No change. It comes from underneath the car. Went to dealer but they were not able to do a road test because of the bad weather.

A new car that sounds like a Tercel from 80s. I will return one of these days to VW to check.

Definitely I shouldn't buy another Jetta in the future. VW looses its credibility, at least for me, after the diesel scandal from the 2018 and now with these lemons.

Update from Mar 20, 2019: The tech from vw found that the charcoal cannister was not fixed was tapping in other parts at every little bump. Still some noise from suspension but it seems that it was designed like that since the shocks, springs and everithing is ok. I mean cheap.