It means you can expect to take the Caravan, HyperCamper or Camper Trailer where you want to take it; if your car can pull it through it should follow, but it does not mean you will not sustain damage. The same as in your car, if you are seriously off-roading you have increased the likelihood to damage your vehicle and the same applies to the Caravan, HyperCamper or Camper Trailer.