Muilt level flexible Assemblies


Hello ,

Im kinda stuck on the the whole flexible sub assembly arrangment.

My situation is as follows.

I have design a "garage truck" type tailgate that is a flexibleassembly.(works prefectly) But when i insert that assembly into themain assembly and i mate it to the body of the vehicle . It issolid again. It has the flexible sub assembly icon in the tree, buti cant make is move?

Please help.SolidworksAssemblies