Toyota Highlander Hybrid 2020 Owner's Manual page 310

310
4-5. Using the driving support systems
■ Situation in which the Parking
Support Brake function (static
objects) may not operate
When driving with the shift lever in
N.
■ Intuitive parking assist buzzer
Regardless of whether the intuitive
parking assist system is enabled or
not (P.287), if the Parking Support
Brake function (static objects) is
enabled (P.300), the front or rear
sensors detect an object and brake
control is performed, the intuitive
parking assist buzzer will sound to
notify the driver of the approximate
distance to the object.
■ Situations in which the Parking
Support Brake function (static
objects) may operate even if
there is no possibility of a colli-
sion
In some situations, such as the fol-
lowing, the Parking Support Brake
function (static objects) may operate
even though there is no possibility of
a collision.
● Vehicle surroundings
• When driving on a narrow road
• When driving on a gravel road or
in an area with tall grass
• When driving toward a banner,
flag, low-hanging branch or boom
HIGHLANDER HV_U
barrier (such as those used at rail-
road crossings, toll gates and
parking lots)
• When driving on a narrow path
surrounded by a structure, such
as in a tunnel or on an iron bridge
• When parallel parking
• When there is a rut or hole in the
surface of the road
• When driving on a metal cover
(grating), such as those used for
drainage ditches
• When driving on a steep slope
• If a sensor is hit by a large amount
of water, such as when driving on
a flooded road
● Weather
• If a sensor is covered with ice,
snow, dirt, etc. (when cleared, the
system will return to normal)
• If heavy rain or water strikes a
sensor
• When driving in inclement weather
such as fog, snow or a sandstorm
• When strong winds are blowing
● Other ultrasonic wave sources
• When vehicle horns, vehicle
detectors, motorcycle engines, air
brakes of large vehicles, the clear-
ance sonar of other vehicles or
other devices which produce ultra-
sonic waves are near the vehicle
• If a sticker or an electronic compo-
nent, such as a backlit license
plate (especially fluorescent type),
fog lights, fender pole or wireless
antenna is installed near a sensor
● Changes in the vehicle posture
• If the vehicle is significantly tilted
• If the front of the vehicle is raised
or lowered due to the carried load
• If the orientation of a sensor has
been changed due to a collision or
other impact
• If a sensor has been painted or
covered with a sticker, etc.
■ Situations in which the Parking
Support Brake function (static
objects) may not operate prop-
erly
In some situations, such as the fol-
lowing, this function may not oper-