Lexus 2007 GS430 Quick Manual page 230

2-4. Using other driving systems
NOTICE
When using intuitive parking assist
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In the following situations, the system may not function correctly due to a sensor
malfunction etc. Have the vehicle checked by your Lexus dealer.
• A beep does not sound when you turn the main switch ON.
• The intuitive parking assist operation display flashes, and a beep sound when
no obstacle has been detected.
• If the area around a sensor collides with something, or is subjected to strong
impact.
• If the bumper collides with something.
• If the display shows continuously without a beep.
When changing tires
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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.
When washing the vehicle
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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.
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I n f o r ma t i o n P r o v i d e d b y :