Lexus RX 450h Owner's Manual page 351

WARNING
Towing eyelets are installed.
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A backlit licence plate is installed.
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When using Lexus parking assist-sen-
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sor
In the following situations, the system
may not function correctly due to a sen-
sor malfunction, etc. Have the vehicle
checked by your Lexus dealer.
The Lexus parking assist-sensor oper-
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ation display flashes or shows continu-
ously, and a beep sounds when no
objects are detected.
If the area around a sensor collides
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with something, or is subjected to
strong impact.
If the bumper or grille collides with
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something.
If the display flashes or is displayed
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continuously and a buzzer does not
sound, except when the mute function
has been turned on.
If a display error occurs, first check the
●
sensor.
If the error occurs even when there is
no ice, snow or mud on the sensor, it is
likely that the sensor is malfunctioning.
Notes when washing the vehicle
■
Do not apply intensive bursts of water or
steam to the sensor area.
Doing so may result in the sensor mal-
functioning.
When using a high pressure washer to
●
wash the vehicle, do not spray the sen-
sors directly, as doing so may cause a
sensor to malfunction.
When using steam to clean the vehicle,
●
do not direct steam too close to the
sensors as doing so may cause a sen-
sor to malfunction.
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4-5. Using the driving support systems
The system can be operated when
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The power switch is in ON mode.
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Lexus parking assist-sensor function is
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on.
The vehicle speed is less than about 10
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km/h (6 mph).
A shift lever other than P.
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Setting the buzzer volume
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The buzzer volume can be adjusted on the
multi-information display. (P.345)
If "Parking Assist Unavailable" is dis-
■
played on the multi-information display
Water may be continuously flowing over
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the sensor surface, such as in a heavy
rain. When the system determines that it
is normal, the system will return to nor-
mal.
Initialization may not have been per-
●
formed after a battery terminal was dis-
connected and reconnected. Initialize the
system. (P.349) If this message contin-
ues to be displayed even after initializa-
tion, have the vehicle inspected by your
Lexus dealer.
If "Parking Assist Unavailable Clean
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Parking Assist Sensor" is displayed on
the multi-information display
A sensor may be covered with ice, snow,
dirt, etc. Remove the ice, snow, dirt, etc.,
from the sensor to return the system to nor-
mal.
Also, due to ice forming on a sensor at low
temperatures, a warning message may be
displayed or the sensor may not be able to
detect an object. Once the ice melts, the
system will return to normal.
If a 12-volt battery terminal has been
■
disconnected and reconnected
The system needs to be initialized. To initial-
ize the system, drive the vehicle straight
ahead for 5 seconds or more at a speed of
approximately 35 km/h (22 mph) or more.
Sensor detection information
■
The following situations may occur dur-
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ing use.
349
4