2005 Toyota Tundra Owners Manual - Page 700

'05 TUNDRA_U (L/O 0504) 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. If the engine is turned off while the "AUTO LSD" indicator light is on and then restarted, the indicator light will turn off automatically. To activate the system, push the "AUTO LSD" switch with the vehicle stopped. The "AUTO LSD" is activated under the following condition. At this time, the "AUTO LSD" indicator light will come on. D The driving mode is set in the two− wheel drive mode (in the four −wheel drive mode, the system does not work.) mph) To cancel the system, push the "AUTO LSD" switch once again. D Driving at a speed under 100 km/h (62 194 2005 TUNDRA from Apr. '05 Prod. (OM34440U)