2009 Toyota 4Runner Owners Manual - Page 200

2-4. Using other driving systems When the AUTO LSD system is operating If the rear wheels spin, the slip indicator flashes to indicate that the AUTO LSD system have been controlled the spinning of the rear wheels. n If the brake system overheats The system will cease operation and a buzzer will sound to alert the driver. Stop the vehicle in a safe place. (There is no problem with continuing normal driving.) CAUTION n To avoid an accident l 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. l Do not drive with the AUTO LSD system continuously turned on. 176