This dialog box accesses the Vehicle Library, thus allowing you to view Library Live Loads. Library Live Loads displayed on the Loads/Analysis tab are obtained from the Live Load Library file and can only be viewed. The name and location of this file can be set using the Setup option from the Libraries menu. If you need to make any changes to a library live load, use the Vehicle menu item from the Libraries menu. The Library Live Loads in the Load Tree will be rebuilt after you have made changes to the vehicle library. A Library Live Load that is dragged into the project loads (or into a combination which automatically adds it to the project loads) can be edited as a normal Live Load.