2010 Toyota Tacoma Double Cab Owners Manual - Page 203
2010 Toyota Tacoma Double Cab Manual
Page 203 highlights
2-4. Using other driving systems AUTO LSD system 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.