2006 Lexus LS 430 Owners Manual - Page 154

2-4. Using other driving systems Driver assist systems To help enhance improve vehicle safety, the following systems operate automatically in certain driving conditions. n ABS (Anti-lock Braking System) Help ensure steering performance in the event of sudden braking or driving on slippery road surfaces. n BA (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 maintain drive power and prevents spinning the rear wheels when starting the vehicle or accelerating on slippery roads. n Pre-collision system (if equipped) (→P.143) When VSC or TRAC is operating If the vehicle is in danger of slipping or the rear wheels spin, the slip indicator light flash to indicate that the systems have been engaged. A buzzer (intermittent) sounds when VSC is operating. 140