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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
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In the unlikely event that the Intelligent Clearance Sonar function mistak-
enly operates at a crossing or elsewhere
Even in the unlikely event that the Intelligent Clearance Sonar function mis-
takenly operates at a crossing or elsewhere, brake control is canceled after
approximately 2 seconds, allowing you to proceed forward and leave the
area. Furthermore, 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.
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Situations in which the system may not operate normally
In the following situations, the system may not operate normally.
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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.
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Influence from the weather
• The area around the sensor is
extremely hot or cold
• The wind is strong
• 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
PRIUS PRIME_OM_OM47D13U_(U)
5-5. Using the driving support systems
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