2003 Lexus LS 430 Navigation Manual - Page 118
2003 Lexus LS 430 Manual
Page 118 highlights
Lexus Park Assist System The sensor detection range is limited around the bumper. Be sure to confirm a safe distance around your vehicle and drive slowly. If more than one obstacle is detected in the same direction, the indicators for the obstacle nearest to the vehicle will turn on. NOTICE D The sensors do not detect an obstacle just under the bumper. A short object, thin stake or the like will be detected once but might not be detected as your vehicle gets very close to such an object. D If an obstacle is very close to your vehicle, it might not be detected. D If a sensor is subjected to a strong impact, it will not operate properly. The Lexus park assist system may not work properly in the following cases: D When icicles, snowflakes or mud gets on the sensors. If removed, the system will work properly. D When the sensor is frozen. If deiced, the system will work properly. D When the sensor is covered with something. If removed, the system will work properly. Especially in cold weather, a malfunction warning screen may appear on the display due to frozen sensors. If the malfunction warning screen appears on the display, be sure to check the sensor. If the malfunction warning screen appears despite no mud, ice or snowflakes on the sensor, the sensor might have malfunctioned. Have your vehicle checked by your Lexus dealer. In the following conditions, the detection range may be affected: D When you stop your vehicle in scorching sun or in cold weather. D Foreign matter such as snowflakes or mud gets on the sensor. The Lexus park assist system may detect the following by mistake: D Bumpy roads or gravelled roads or grass when driving on such surfaces, or on grass D Devices issuing ultrasonic waves, such as a horn from another vehicle, motorcycle engine, air braking sound from heavy-duty vehicles, if such a device is operated around your vehicle D Rain or water splashing over the sensor CAUTION Do not install an accessory or the like within the sensor detection range. Doing so may cause the Lexus park assist system to malfunction, resulting in an accident. 108