Parking Support Brake Function (Rear-Crossing Vehicles) - Lexus UX 250h 2020 Owner's Manual

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4-5. Using the driving support systems
Parking Support Brake func-
tion (rear-crossing vehicles)
*
: If equipped
If a rear radar sensor detects a vehi-
cle approaching from the right or
left at the rear of the vehicle and the
system determines that the possi-
bility of a collision is high, this func-
tion will perform brake control to
reduce the likelihood of an impact
with the approaching vehicle.
Examples of function operation
This function will operate in situations
such as the following if a vehicle is
detected in the traveling direction of
the vehicle.
When reversing, a vehicle is
■
approaching and the brake pedal is
not depressed, or is depressed late
Types of sensors
P.229
WARNING
*
To ensure the Parking Support Brake
■
(rear-crossing vehicles) can operate
properly
Observe the following precautions
regarding the rear radar sensors
(P.229). Failure to do so may cause a
sensor to not operate properly, and may
cause an accident.
● Do not modify, disassemble or paint
the sensors.
● Do not replace a rear radar sensor
with a part other than a genuine part.
● Do not damage the rear radar sensors,
and always keep the radar sensors and
their surrounding area on the bumper
clean.
To prevent a rear radar sensor from
■
malfunctioning
● If the area around a rear radar sensor
is subjected to an impact, the system
may not operate properly due to a
sensor malfunction. Have the vehicle
inspected by your Lexus dealer.
Observe the rear radar sensor han-
●
dling precautions. (P.229)
The Parking Support Brake function
■
(rear-crossing vehicles) will operate
when
The function will operate when the PKSB
OFF indicator is not illuminated or flashing
(P.75, 76) and all of the following condi-
tions are met:
● Hybrid system output restriction control
• The Parking Support Brake is enabled.
• The vehicle speed is 10 mph (15 km/h) or
less.
• Vehicles are approaching from the right
or left at the rear of the vehicle at a travel-
ing speed of more than approximately 5
mph (8 km/h)
• The shift lever is in R.
• The Parking Support Brake determines
that a stronger than normal brake opera-
tion is necessary to avoid a collision with