2003 Lexus IS 300 Owners Manual - Page 265

STARTING AND DRIVING You may hear a sound in the engine compartment for a few seconds when the engine is started or just after the vehicle is started. This means that the vehicle skid control is in the self-check mode and does not indicate a malfunction. When you turn the ignition switch on, this system always turns on. Vehicle skid control system failure warning SV31041 These lights warn that there is a problem somewhere in the vehicle skid control system or traction control system. The lights will come on when the ignition key is turned to "ON", and will go off after a few seconds. If the "VSC" warning light and "TRAC OFF" indicator/warning light come on, the vehicle skid control system and traction control system do not work. However, as conventional braking operates when applied, there is no problem to continue your driving. If any of the following conditions occurs, this indicates a malfunction somewhere in the parts monitored by the warning light system. Contact your Lexus dealer as soon as possible to service the vehicle: D The "VSC" warning light or "TRAC OFF" indicator/warning light do not come on after the ignition is turned to on. D The "VSC" warning light and "TRAC OFF" indicator/warning light remain on after the ignition is turned to on. 248 2003 IS300 from Aug. '02 Prod. (OM53439U)