Use the Choose view for this vehicle button in the toolbar on the map to choose how you want to visualize the vehicles and trailers. There are three possibilities:

1. Icons per category
   Under Settings > Management > Vehicles / Trailers the user must assign his vehicles and trailers to a specific category (mandatory field).  

2. Icons per activity
   In Settings > Management > Activities/Registrations there is a column "Icon", where you can select an icon per activity.
    

3. Combined icons
   With the combined icons, it is possible to visualize the vehicle's activity and category in one single icon.
    

In the toolbar

On the map