2011 Lexus LS 600h Owners Manual - Page 304
2011 Lexus LS 600h Manual
Page 304 highlights
2-4. Using other driving systems n Automatic reactivation of TRAC and VSC n n n n n Turning the "POWER" switch OFF after turning off the TRAC and VSC systems will automatically re-enable them. Automatic TRAC reactivation If only the TRAC system is turned off, the TRAC system will turn on when vehicle speed increases. Automatic TRAC/VSC reactivation If the TRAC/VSC systems are turned off, the systems will not turn on even when vehicle speed increases. Sounds and vibrations caused by the ABS, brake assist, VSC, TRAC, hill-start assist control and VGRS systems l A sound may be heard from the engine compartment when the hybrid system 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. l The steering wheel may be moved slightly or a sound may be heard when the hybrid system is started or stopped. None of these indicate that a malfunction has occurred. Hill-start assist control is operational when l The shift lever is in the "D" or "S" position. l The brake pedal is not depressed. EPS operation sound When the steering wheel operates, a motor sound (whirring sound) may be heard. This does not indicate a malfunction. 304