2000 Lexus LX 470 Owners Manual - Page 403

STARTING AND DRIVING 31X064a "Active traction control system failure warning This light warns when there is a problem somewhere in the active traction control system or vehicle skid control system. If the "VSC/TRAC" warning light comes on, have your vehicle checked by your Lexus dealer as soon as possible. The brake actuator temperature increases during the active traction control system or vehicle skid control system operating. If the brake actuator temperature becomes too high while the active traction control system or vehicle skid control system is operating, a buzzer will start to sound intermittently to indicate that the active traction control system can no longer operate. In this case, immediately stop your vehicle at a safe place. If the system continues to operate, the buzzer sound changes from intermittent to continuous and at the same time, "VSC/TRAC" warning light will come on. After the continuous buzzer sound stopped after about 3 seconds, the active traction control system temporarily stops operating in order to protect the brake actuator. (Although the active traction control system does not operate, there is no problem to continue your driving.) The system will be automatically restored after a short time and "VSC/TRAC" warning light goes off if the 379