Dear
In "vehicle manage" you may rename all text constants or fields with help Language manager
Please check below link:
ordasoft.com/News/Vehicle-Manager-Docume...r-of-vehicle-manager
1.You need to check which fields you need .
2 You need to check which fields we have in component.
3. You need to rename fields which you no need to fields which you need. Empty fields, we not show at frontend
4. Start add your trailers to site.
Regards
Andrew