You are only allowed to park in marked parking spaces in pedestrian zones.
A pedestrian zone is a place where all vehicle traffic must be adapted to pedestrians. It is normally* not allowed to drive along streets in pedestrian zones. However, drivers are allowed to cross them if they follow the rules for residential areas.
The following rules apply in residential areas:
The rules also apply to cyclists because cycles are considered as vehicles.
* Driving along streets in pedestrian zones is only allowed for: