2003 Lexus GX 470 Owners Manual - Page 344

STARTING AND DRIVING The slip indicator light comes on for a few seconds when the ignition key is turned to "ON". If the indicator light does not come on when the ignition is turned on, contact your Lexus dealer. Keep in mind the following when driving. D The hill−start assist control system operates for 5 seconds maximally. If both the brake and accelerator pedals remain undepressed for longer than 5 seconds, the buzzer will sound at more frequent intervals and the system will gradually stop operating. D The hill−start assist control system is not designed as a function for stopping the vehicle on a uphill slope. When stopping the vehicle, be sure to depress the brake pedal. If the system is used frequently, the brake actuator temperature may become too high and a buzzer will sound intermittently. In this case, a buzzer will sound intermittently. When the temperature of the brake actuator goes down, the system will begin to operate again. Until it restarts, the active traction control system and downhill assist control system will not operate; however, the conventional brake can be operated. "VSC TRAC" warning light If there is any abnormality in the system, the "VSC TRAC" warning light will come on. If the system malfunctions, the "VSC TRAC" warning light will come on. If the "VSC TRAC" warning light comes on, there may be an abnormality in any of the following systems in addition to the hill−start assist control system. D Downhill assist control system D Active traction control system D Vehicle skid control system When the system is normal and the ignition key is turned to "ON", the warning light will come on and will go off after a few seconds. It is not a malfunction that the warning light may stay on for 60 seconds after the ignition key is turned to the "ON" position. 330