User Manual - Page 453

For 2020 Prius.

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PRIUS PRIME_OM_OM47C77U_(U)
451
5-5. Using the driving support systems
5
Driving
Changes in the vehicle
The vehicle is tilted a large amount
The height of the vehicle has drastically changed due to the carried load
(the nose tilts up or down)
The direction of the sensor has deviated due to a collision or other impact
In the unlikely event that the Parking Support Brake function mistakenly
operates at a crossing or elsewhere
Even in the unlikely event that the Parking Support Brake function mistakenly
operates at a crossing or elsewhere, brake control is canceled after approxi-
mately 2 seconds, allowing you to proceed forward and leave the area. Fur-
thermore, brake control is also canceled when the brake pedal is depressed.
Depressing the accelerator pedal again allows you to proceed forward and
leave the area.
Situations in which the system may not operate normally
In the following situations, the system may not operate normally.
Environmental influence
There is an obstacle that cannot be detected between the vehicle and
another obstacle that can be detected
An obstacle such as another vehicle, a motorcycle, a bicycle or a pedes-
trian cuts in front of the vehicle or jumps out from the side.
Influence from the weather
Ice, snow, dirt, etc., has adhered to the sensor (if removed, the system
returns to normal)
Heavy rain or water strikes the vehicle
In severe weather such as fog, snow or a sand storm
The area around the sensor is
extremely hot or cold
The wind is strong
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