2006 Toyota Tundra Owners Manual - Page 201

'06 TUNDRA_U (L/O 0508) "AUTO LSD" system In the following cases, contact your Toyota dealer: NOTICE Do not use the "AUTO LSD" system in conditions other than the above. A much greater steering effort and more careful cornering control will be required. D The warning light does not come on after the ignition key is turned to "ON". D The warning light remains on after the ignition key is turned to "ON". D The warning light comes on while driving. 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. This system is used only when wheel spinning occurs in a ditch or rough surface. This system is effective in case one of the rear wheels is spinning. 201 2006 TUNDRA from Oct. '06 Prod. (OM34458U)