Toyota Highlander 2020 Owner's Manual page 305

●
When the distance between your
vehicle and metal objects, such as
a guardrail, wall, sign, or parked
vehicle, which may reflect electri-
cal waves toward the rear of the
vehicle, is short
●
When there are spinning objects
near your vehicle such as the fan
of an air conditioning unit
●
When water is splashed or
sprayed toward the rear bumper,
such as from a sprinkler
■
Situations in which the Parking
Support Brake function
(rear-crossing vehicles) may
not operate properly
In some situations, such as the fol-
lowing, the radar sensors may not
detect an object and this function
may not operate properly
●
Stationary objects
●
When a sensor or the area around
a sensor is extremely hot or cold
●
If the rear bumper is covered with
ice, snow, dirt, etc.
●
If a sensor has been painted or
covered with a sticker, etc.
●
When it is raining heavily or water
strikes the vehicle
●
If the vehicle is significantly tilted
●
When equipment that may
obstruct a sensor is installed, such
as a towing eyelet, bumper pro-
tector (an additional trim strip,
etc.), bicycle carrier, or snow plow
●
If the suspension has been modi-
fied or tires of a size other than
specified are installed
●
If the front of the vehicle is raised
HIGHLANDER_U
4-5. Using the driving support systems
or lowered due to the carried load
●
If an electronic component, such
as a backlit license plate (espe-
cially fluorescent type), fog lights,
fender pole or wireless antenna is
installed near a radar sensor
●
If the orientation of a radar sensor
has been changed
●
When multiple vehicles are
approaching with only a small gap
between each vehicle
●
If a vehicle is approaching the rear
of your vehicle rapidly
●
Situations in which the radar sen-
sor may not detect a vehicle
• When a vehicle approaches from
the right or left at the rear of the
vehicle while you are turning while
backing up
• When turning while backing up
• When backing out of a shallow
angle parking spot
• When backing up on a slope with
a sharp change in grade
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