The X-Trail of that era has an unbraked towing limit of 750kg and a braked limit of 2000kg. On that basis, the short answer is yes, you need to have brakes on your caravan. But the detail is a little ...
In response to an email you recently strongly supported the use of stabilisers when towing a caravan, and pointed out the importance of correct loading and tyre condition to prevent snaking. I am ...