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254
4-5. Using the driving support systems
WARNING
When to disable the function
■
In the following situations, disable the
function as it may operate even though
there is no possibility of a collision.
Failing to observe the warnings above.
●
A non-genuine Toyota suspension
●
(lowered suspension, etc.) is installed.
■
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.
The system can be operated when
■
●
The power switch is in ON mode.
Intuitive parking assist function is on.
●
●
The vehicle speed is less than about 6
mph (10 km/h).
A shift lever other than P.
●
■
Setting the buzzer volume
The buzzer volume can be adjusted on the
multi-information display. (P.250)
If "Parking Assist Unavailable" is dis-
■
played on the multi-information display
●
Water may be continuously flowing over
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.254) 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
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 22 mph (35 km/h) or more.
Sensor detection information
■
The following situations may occur during
use.
●
The sensor's detection areas are limited
to the areas around the vehicle front and
rear bumpers.
Depending on the shape of the object
●
and other factors, the detection distance
may shorten, or detection may be impos-
sible.
●
There will be a short delay between
object detection and display. Even at low
speeds, there is a possibility that the
object will come within the sensor's
detection areas before the display is
shown and the warning beep sounds.
●
It might be difficult to hear the buzzer due
to the volume of the audio system or air
flow noise of the air conditioning system.
It may be difficult to hear the buzzer if
●
buzzers for other systems are sounding.
■
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.
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