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242
4-5. Using the driving support systems
Parking Support Brake
function (rear-crossing vehi-
*
cles)
*
: If equipped
If a rear radar sensor detects a
vehicle approaching from the right
or left at the rear of the vehicle and
the system determines that the pos-
sibility of a collision is high, this
function will perform brake control
to reduce the likelihood of an
impact with the approaching vehi-
cle.
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.217
WARNING
To ensure the Parking Support Brake
■
(rear-crossing vehicles) can operate
properly
Observe the following precautions
regarding the rear radar sensors
(P.217). 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.217)
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.69, 70) and all of the following condi-
tions are met:
Engine 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
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