Its now missing from advanced menu

@roadster14 I was gonna ask the same thing.

It does it by itself... AI in the towed vehicle will try to follow yourr lines it works really well i put the little car on the back of the B131 and towed the lifted UAZ, drove all the way around the Downhill map was great fun!!

It doesn't work in confined spaces, the towed vehicle will soon wrap itself around a tree.

Keep winch cable short. Try not to go in to to tight spaces.

Its a matter of realism. The driver in the towed truck would not drive into trees. Why remove a feature that worked well in the original game?