2008 Toyota Land Cruiser Owners Manual - Page 224

2-4. Using other driving systems CAUTION n While driving Never move the four-wheel drive control switch if the wheels have lost traction. Doing so may cause an accident resulting in death or serious injury. NOTICE n To prevent damage to the center differential l For normal driving on dry and hard surface roads, unlock the center differential. l Unlock the center differential after the wheels are out of the ditch or off the slippery or bumpy surface. l Do not push the center differential lock/unlock button when the vehicle is turning or when its wheels are spinning freely off the ground. 196