2008 Lexus SC 430 Owners Manual - Page 177
2008 Lexus SC 430 Manual
Page 177 highlights
2-4. Using other driving systems 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 If only the TRAC system is turned off, the TRAC system will turn on when the vehicle speed increases. n Automatic TRAC and VSC reactivation If only the both TRAC and VSC systems are turned off, the systems will not turn on even when the vehicle speed increases. n Sounds and vibrations caused by the ABS, Brake Assist, VSC and TRAC systems l A sound may be heard from the engine compartment when the engine is 2 When driving 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 operat- ing. 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 after the ABS is activated. The brake pedal may move down slightly after the ABS is activated. 137