2009 Toyota Tacoma Owners Manual - Page 206

2-4. Using other driving systems n Turning off TRAC and VSC Push and hold the button for more than 3 seconds while the vehicle is stopped to turn off both TRAC and VSC. The VSC OFF indicator light should come on. Push the button again to turn both systems back on. n Automatic reactivation of TRAC and VSC Turning the engine switch off after turning off the TRAC and VSC systems will automatically re-enable them. n Automatic TRAC reactivation (AUTO LSD mode) With AUTO LSD mode, VSC OFF and AUTO LSD indicator lights turn on. The TRAC system will turn on when the vehicle speed increases. n Automatic TRAC and VSC reactivation If the TRAC and VSC systems are turned off, the systems will not turn on even when vehicle speed increases. n Sounds and vibrations caused by the ABS, TRAC, VSC, brake assist and hill-start assist control system l A sound may be heard from the engine compartment when the engine is started or just after the vehicle begins to move. This sound does not indicate that a malfunction has occurred in any of these systems. l Any of the following conditions may occur when the above systems are operating. None of these indicates that a malfunction has occurred Vibrations may be felt through the vehicle body and steering. A motor sound may be heard after the vehicle comes to a stop. The brake pedal may pulsate slightly when the ABS is activated. The brake pedal may move down slightly after the ABS is activated. 186