2003 Toyota Sequoia Owners Manual - Page 561

03_SEQUOIA_U (L/O 0301) When the traction control system is operating, the following conditions occur: D The system controls the spinning of the 4 wheels (4WD mode) or rear wheels (2WD mode). At this time, the slip indicator light blinks. D You may feel vibration or noise in your vehicle, caused by operation of the brakes. This indicates the system is functioning properly. The slip indicator light comes on for a few seconds when the ignition key is turned to "ON". If the indicator light does not come on when the ignition is turned on, contact your Toyota dealer. The brake pad or actuator temperature increases during continuous operation of the active traction control system or vehicle skid control system such as on slippery roads. If the brake pad or 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, stop your vehicle immediately at a safe place. If the system continues to operate, the buzzer sound changes from intermittent to continuous. (The continuous buzzer sounds for about 3 seconds.) At the time, the "VSC/TRAC" warning light will come on and the active traction control system temporarily stops operating in order to protect the brake pad. (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 the warning light goes out. If the light comes on while driving, the active traction control system does not work. However, as conventional braking operates when applied, there is no problem to continue your driving. "VSC/TRAC" warning light This light warns that there is a problem somewhere in the active traction control system or the vehicle skid control system. The warning light will come on when the ignition key is turned to "ON" and will go off after a few seconds. 155 2003 SEQUOIA from Jan. '03 Prod. (OM34422U)