2009 Lexus SC 430 Owners Manual - Page 134

2-4. Using other driving systems Driver assist systems To help enhance vehicle safety, the following systems operate automatically in certain driving conditions. n ABS (Anti-lock Brake System) Helps to prevent wheel lock when the brakes are applied suddenly, or if the brakes are applied while driving on a slippery road surface. n Brake Assist Generates an increased level of braking force after the brake pedal is pushed, when the system detects a panic stop situation. n VSC (Vehicle Stability Control) Helps the driver to control skidding when swerving suddenly or turning on slippery road surfaces. n TRAC (Traction Control) Helps maintains drive power and prevents spinning the rear wheels when starting the vehicle or accelerating on slippery roads. When VSC or TRAC is operating If the vehicle is in danger of slipping or the rear wheels spin, the slip indicator light flashes to indicate that the systems have been engaged. A buzzer (intermittent) sounds when VSC is operating. 136