Toyota Highlander Hybrid 2020, Owner'S Manual, Page: 308 / 572

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4-5. Using the driving support systems
HIGHLANDER HV_U
WARNING
● Do not replace a sensor with a
part other than a genuine part.
● Do not subject a sensor or its
surrounding area to a strong
impact.
● Do not damage the sensors,
and always keep them clean.
● If the area around a radar sen-
sor is subjected to an impact,
the system may not operate
properly due to a sensor mal-
function. Have the vehicle
inspected by your Toyota
dealer.
■ Handling the suspension
Do not modify the suspension, as
changes to the height or inclina-
tion of the vehicle may prevent
the sensors from detecting
objects correctly or cause the sys-
tem to not operate or operate
unnecessarily.
■ If the Parking Support Brake
function (static objects) oper-
ates unnecessarily, such as
at a railroad crossing
In the event that the Parking Sup-
port Brake function (static objects)
operates unnecessarily, such as
at a railroad crossing, brake con-
trol will be canceled after approxi-
mately 2 seconds, allowing you to
proceed forward and leave the
area, brake control can also be
canceled by depressing the brake
pedal. Depressing the accelera-
tor pedal after brake control is
canceled will allow you to proceed
forward and leave the area.
■ Notes when washing the vehi-
cle
Do not apply intensive bursts of
water or steam to the sensor
area.
Doing so may result in the sensor
malfunctioning.
● When using a high pressure
washer to wash the vehicle, do
not spray the sensors 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 sensor to malfunc-
tion.
■ When to disable the Parking
Support Brake
In the following situations, disable
the Parking Support Brake as the
system may operate even though
there is no possibility of a colli-
sion.
● When inspecting the vehicle
using a chassis roller, chassis
dynamo or free roller
● When loading the vehicle onto a
boat, truck or other transport
vessel
● If the suspension has been
modified or tires of a size other
than specified are installed
● If the front of the vehicle is
raised or lowered due to the
carried load
● When equipment that may
obstruct a sensor is installed,
such as a towing eyelet, bumper
protector (an additional trim
strip, etc.), bicycle carrier, or
snow plow
● When using an automatic car
wash