2004 Lexus LS 430 User Guide 2 - Page 333

STARTING AND DRIVING Lexus park assist system failure warning W285 If the sensor is malfunctioning or a cable is broken, the above message appears. Although it is no problem to continue driving, have your vehicle checked by your Lexus dealer as soon as possible. 31L351 W286 If icicles, snowflakes or mud gets on the sensor or it is frozen, the sensor may not be able to detect an obstacle. In either case, the above message appears. The system self check is automatically performed when the Lexus park assist system is turned on. At this time if an error is detected, the master warning light comes on accompanied by 5 beeps, the faulty sensor blinks and either of the following messages appear in the multi-information display. D "Check Park Sonar" D "Clean Park Sonar" The sensors operate individually. When one sensor is malfunctioning, you will notice sounding beeps and blinking indicators to show that it is malfunctioning. If another sensor detects an obstacle during this time, the approximate distance to the obstacle will be shown by that sensor. Remove the foreign matter or deice the sensor. If the message does not appear after cleaning, the system is operating properly. 315