Lexus NX350h 2022 Owner's Manual page 402

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6-2. Using the safe driving support functions
The intuitive parking assist is on.
The vehicle speed is less than about 6 mph (10 km/h).
A shift position other than P is selected.
Objects which the system may not be properly detected
The shape of the object may prevent the sensor from detecting it. Pay particular attention
to the following objects:
Wires, fences, ropes, etc.
Cotton, snow and other materials that absorb sound waves
Sharply-angled objects
Low objects
Tall objects with upper sections projecting outwards in the direction of your vehicle
People may not be detected if they are wearing certain types of clothing.
Situations in which the system may not operate properly
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, water drops 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 displayed
abnormally, or objects, such as a wall, may not be detected.
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.
When vehicle horns, vehicle detectors, motorcycle engines, air brakes of large vehi-
cles, the clearance sonar of other vehicles or other devices which produce ultrasonic
waves are near the vehicle
A sensor is coated with a sheet of spray or heavy rain
If objects draw too close to the sensor.
When a pedestrian is wearing clothing that does not reflect ultrasonic waves (ex. skirts
with gathers or frills).
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