2011 Lexus LS 600h Owners Manual - Page 302

2-4. Using other driving systems n VDIM (Vehicle Dynamics Integrated Management) Provides integrated control of the ABS, brake assist, TRAC, VSC, hill-start assist control, EPS, and VGRS systems Maintains vehicle stability when swerving on slippery road surfaces by controlling the brakes and hybrid system output, steering assist, and steering ratio n Pre-Collision System (if equipped) →P. 308 When the VSC/TRAC/hill-start assist control systems are operating If the vehicle is in danger of slipping, rolling backward when starting on an incline, or any of the drive wheels spin, the indicator 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. 302