2004 Toyota Tacoma Owners Manual - Page 147

'04 Tacoma U (L/O 0309) Depressing the brake pedal repeatedly may turn on the light. It is normal if it goes out after a few seconds. The brake actuator temperature increases during continuous operation of the above mentioned systems such as on slippery roads. If the brake actuator temperature becomes too high while any of the systems is operating, a buzzer will start to sound intermittently to indicate that the "AUTO LSD" system can no longer operate. In this case, immediately stop your vehicle at a safe place. Make sure the "AUTO LSD" indicator light comes on under the above condition when you use the "AUTO LSD" system. The slip indicator light blinks when the system is controlling the spinning of the rear wheels. The "AUTO LSD" and slip indicator lights come on for a few seconds when the ignition key is turned to "ON". If the indicator lights does not come on when the ignition key is turned to "ON", contact your Toyota dealer. "VSC TRAC" warning light This light warns that there is a problem somewhere in the following. 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 "AUTO LSD" system temporarily stops operating in order to protect the brake actuator. (Although the "AUTO LSD" system does not operate, it is no problem to continue driving.) The system will be automatically restored after a short time and the "VSC TRAC" warning light goes off. D "AUTO LSD" system D Traction control system D Vehicle stability control system When the system is normal and the ignition key is turned to "ON", the warning light will come on and will go off after a few seconds. It is not a malfunction that the warning light may stay on for 60 seconds after the ignition key is turned to "ON". 147 2004 TACOMA from Sep. '03 Prod. (OM35814U)