2012 Toyota Sequoia Owners Manual - Page 250
2012 Toyota Sequoia Manual
Page 250 highlights
2 -4 . U sing ot he r driving syst e m s AU TO LSD syst e m The AUTO LSD system aids traction by using the traction control system to control engine performance and braking when one of the rear wheels begins to spin. The system should be used only when one of the rear wheels spinning occurs in a ditch or rough surface.