Toyota Prius 2018 Owner's Manual page 328

328
4-5. Using the driving support systems
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The BSM outside rear view mirror indicators visibility
When under strong sunlight, the outside rear view mirror indicator may be dif-
ficult to see.
■
Rear Cross Traffic Alert buzzer hearing
Rear Cross Traffic Alert function may be difficult to hear over loud noises
such as high audio volume.
■
When "Blind Spot Monitor Unavailable" is shown on the multi-informa-
tion display
The sensor voltage has become abnormal, water, snow mud, etc., may be
built up in the vicinity of the sensor area of bumper (→P. 330). Removing the
water, snow, mud, etc., from the vicinity of the sensor area bumper should
return it to normal. Also, the sensor may not function normally when used in
extremely hot or cold weather.
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