July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Operation Characteristics

Trailer Sway Assist Function Prevents Tow vehicle and trailer oscillation.

During oscillation, brake force (brake fluid pressure) is applied on front wheel and rear wheel on the outer side of oscillation. Momentum directing towards the outer side of oscillation is generated. Trailer sway is reduced.

Courtesy of NISSAN NORTH AMERICA, INC.