2003 Lexus IS 300 Owners Manual - Page 262

STARTING AND DRIVING Traction control system failure warning D The "VSC" warning light and "TRAC OFF" indicator/warning light remain on after the ignition is turned to on. D The "VSC" warning light and "TRAC OFF" indicator/warning light come on while driving without pushing "TRAC OFF" switch. SV31041 CAUTION Under certain slippery road conditions, full traction of the vehicle and power to the rear wheels cannot be maintained, even though the traction control system is in operation. Do not drive the vehicle under any speed or maneuvering conditions which will cause the vehicle to lose traction. In situations where the road surface is covered with ice or snow, your vehicle should be fitted with snow tires or tire chains. Always drive at an appropriate and cautious pace. 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. 245 2003 IS300 from Aug. '02 Prod. (OM53439U)