1999 Lexus SC 400 Owners Manual - Page 266

STARTING AND DRIVING Traction control failure warning If the "TRAC OFF" indicator/warning light flashes, contact your Lexus dealer as soon as possible. There may be trouble in the traction control system. 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. BRAKE SYSTEM The tandem master cylinder brake system is a hydraulic system with two separate sub-systems. If either sub-system should fail, the other will still work. However, the pedal will be harder to press, and your stopping distance will be longer. Also, the brake system warning light may come on. CAUTION Do not drive your vehicle with only a single brake system. Have your brakes fixed immediately. 248