[Whyman]

Others will no doubt confirm but one of the last actions in the Volvo installation instructions is to download the software for the trailer module.

This not only deactivates the rear fog light and rear parking sensors when the van is connected but also uses the cars light checking system to check the van lights and most importantly uses the cars DSTC system to control and prevent any snaking.

Anyone who tells you different is telling you “ porkies”.