Lexus IS350 AWD Owner's Manual page 287

Outside rear view mirror indicator visibility
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In strong sunlight, the outside rear view mirror indicator may be difficult to see.
Hearing the RCTA buzzer
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The RCTA buzzer may be difficult to hear over loud noises, such as if the audio system
volume is high.
When there is a malfunction in the Blind Spot Monitor
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If a system malfunction is detected due to any of the following, a warning message will be
displayed: (P. 532)
A sensor is malfunctioning
●
A sensor is dirty or covered with snow or a sticker
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The outside temperature is extremely high or low
●
Sensor voltage is abnormal
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A sensor is misaligned
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Certification for the Blind Spot Monitor
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IS350 AWD/IS350/IS300 AWD/IS300_U
4-5. Using the driving support systems
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