2002 Lexus GS 430 Owners Manual - Page 211

STARTING AND DRIVING Vehicle skid control system failure warning CAUTION D Do not rely excessively on the vehicle skid control system. Even if the vehicle skid control system is operating, you must always drive carefully and attentively to avoid serious injury. Reckless driving will result in an unexpected accident. If the slip indicator light flashes, sounding an alarm, special care should be taken while driving. D Only use tires of specified size. The size, manufacturer, brand and tread pattern for all 4 tires should be the same. If you use the tires other than specified, or different type or size, the vehicle skid control system may not function correctly. When replacing the tires or wheels, contact your Lexus dealer. 31G015-1 These lights warn when there is a problem somewhere in the vehicle skid control system, traction control system or brake assist system. If the "VSC" warning light and "VSC OFF" indicator light come on, have your vehicle checked by Lexus dealer as soon as possible. The lights will come on when the ignition key is turned to "ON", and will go off after about a few seconds. The lights may stay on for 60 seconds after the ignition key is turned to the "ON" position. It is normal if they go out after a while. Depressing the brake pedal repeatedly may turn on the lights. It is normal if they go out after a few seconds. If the "VSC" warning light and "VSC OFF" indicator light come on, the vehicle skid control system does not activate, however, it is no problem to continue your driving. 194