2008 Lexus GS 450h Owners Manual - Page 192
2008 Lexus GS 450h Manual
Page 192 highlights
2-4. Using other driving systems NOTICE n When using the intuitive parking assist In the following situations, the system may not function correctly due to a sensor malfunction etc. Have the vehicle checked by your Lexus dealer. l A beep does not sound when you turn the main switch on. l The intuitive parking assist operation display flashes, and a beep sound when no obstacle has been detected. l If the area around a sensor collides with something, or is subjected to strong impact. l If the bumper collides with something. l If the display shows continuously without a beep. n When changing tires If you install tires of a size other than that recommended by the manufacturer, the system will be unable to correctly detect steering wheel movement. Always use tire sizes recommended by the manufacturer. n When washing the vehicle When washing the vehicle using high pressure cleaning equipment, do not spray water directly on the sensors. Subjecting the sensors to high pressure impact may cause a malfunction. 194 GS_HV_U March 29, 2010 3:31 pm