I've been playing with your Vehicle Park template, and came across serious problem with localization.
I noticed that when I change language to Polish, there are much labels still displayed in English. I made some tests, and it turned out that your software do not take localized content from the translation tool you provide, but uses standard English labels instead.
Eg. vehicle search. I set the language to Polish, and labels are still in English. When I change English translation (_VEHICLE_MANAGER_LABEL_MAKER). Please see the attached image for details.
Any ideas?