The Jeep ® Wrangler Rubicon Rock-Trac® 4WD system is explained in this animation. This video demonstrates how, the Rock-Trac® 4WD system delivers more control, more torque at the wheels; how to shift on the fly, how the sway bar disconnect works and other features of the Jeep ® Wrangler Rubicon 4x4 Rock-Trac 4WD system.