Toyota C-HR Owner's Manual page 248

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Obstacle detection in side areas (vehicles with side sensors)
Objects in the side areas are detected while driving by scanning the side
areas with the side sensors. Recognized objects are retained in memory for
up to approximately 2 minutes.
Objects may not be detected in the side areas until the scan completes.
After the power switch is turned to ON mode, scanning completes after driv-
ing the vehicle for a short period of time.
When an object such as another vehicle, pedestrian or animal is detected
by the side sensors, the object may continue to be detected even after it has
left the side sensor detection area.
Conditions under which the function may not function correctly
Certain vehicle conditions and the surrounding environment may affect the
ability of a sensor to correctly detect objects. Particular instances where this
may occur are listed below.
There is dirt, snow or ice on a sensor. (Cleaning the sensors will resolve this
problem.)
A sensor is frozen. (Thawing the area will resolve this problem.)
In especially cold weather, if a sensor is frozen the sensor display may be dis-
played abnormally, or objects, such as a wall, may not be detected.
A sensor is covered in any way.
When a sensor or the area around a sensor is extremely hot or cold.
On an extremely bumpy road, on an incline, on gravel, or on grass.
The vicinity of the vehicle is noisy due to vehicle horns, motorcycle engines,
air brakes of large vehicles, or other loud noises producing ultrasonic
waves.
There is another vehicle equipped with parking assist sensors in the vicinity.
A sensor is coated with a sheet of spray or heavy rain.
If a sensor is hit by a large amount of water, such as when driving on a
flooded road.
If the vehicle is significantly tilted.
The vehicle is approaching a tall or curved curb.
If objects draw too close to the sensor.
C-HR_HV_OM_General_OM10653E
4-5. Using the driving support systems
247
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