2008 Lexus GX 470 Owners Manual - Page 210

2-4. Using other driving systems When the VSC/TRAC/hill-start assist control systems are operating If the vehicle is in danger of slipping, rolling backwards when starting on an incline, or if the rear wheels spin, the slip indicator light flashes to indicate that the VSC/ TRAC/hill-start assist control systems have been engaged. A buzzer (intermittent) sounds to indicate that VSC is operating. The stop lights and high mounted stoplight turn on when the hill-start assist control system is operating. The slip indicator light flashes as well when ABS is operating. n Sounds and vibrations caused by the ABS, brake assist, VSC, TRAC and hill-start assist control systems 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 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. n Hill-start assist control is operational when l The shift lever is in any of the positions "D", "4", "3", "2" or "L". l The brake pedal is not depressed. 160