1997 Toyota Previa Owners Manual - Page 141

Always maintain a safe distance from the vehicle in front of you. Compared with vehicles not fitted with an anti-lock brake system, your vehicle may require a longer stopping distance in the following cases: S Driving on rough, gravel or snow-covered roads. S Driving with tire chains installed. S Driving on roads where the road surface is pitted or has other differences in surface height. "ABS" warning light This light comes on when the ignition key is turned to the "ON" position. After about 3 seconds, the light will go off. If either of the following conditions occurs, this indicates a malfunction somewhere in the parts monitored by the warning light system. Contact your Toyota dealer as soon as possible to service the vehicle. S The light does not come on as described above, or remains on. S The light comes on while driving. Even if the anti-lock brake system should fail, the brake system will still operate conventionally. However, when the 'ABS'' warning light is on (and the brake system warning light is off), the anti-lock brake system is not assisting brake performance so that the wheels can lock-up during sudden braking or braking on slippery road surfaces. Have your vehicle checked by your Toyota dealer as soon as possible 135