Lexus UX200 2021 Manual page 243

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an approaching vehicle.
Brake control
• Engine output restriction control is oper-
ating
• The Parking Support Brake determines
that an emergency brake operation is
necessary to avoid a collision with an
approaching vehicle.
The Parking Support Brake function
(rear-crossing vehicles) will stop oper-
ating when
The function will stop operating if any of the
following conditions are met:
Engine output restriction control
• The Parking Support Brake is disabled.
• The collision becomes avoidable with
normal brake operation.
• A vehicle is no longer approaching from
the right or left at the rear of the vehicle.
Brake control
• The Parking Support Brake is disabled.
• Approximately 2 seconds have elapsed
since the vehicle was stopped by brake
control.
• The brake pedal is depressed after the
vehicle is stopped by brake control.
• A vehicle is no longer approaching from
the right or left at the rear of the vehicle.
Re-enabling the Parking Support Brake
function (rear-crossing vehicles)
P.236
Detection area of the Parking Support
Brake function (rear-crossing vehicles)
The detection area of the Parking Support
Brake function (rear-crossing vehicles) dif-
fers from the detection area of the RCTA
function (P.230). Therefore, even if the
RCTA function detects a vehicle and pro-
vides an alert, the Parking Support Brake
function (rear-crossing vehicles) may not
start operating.
Conditions under which the Parking
Support Brake function (rear-crossing
vehicles) will not detect a vehicle
The Parking Support Brake function (rear-
crossing vehicles) is not designed to detect
the following types of vehicles and/or
objects:
Vehicles approaching from directly
4-5. Using the driving support systems
behind
Vehicles backing up in a parking space
next to your vehicle
Vehicles that the sensors cannot detect
due to obstructions
Vehicles which suddenly accelerate or
decelerate near your vehicle
Guardrails, walls, signs, parked vehicles
and similar stationary objects
Small motorcycles, bicycles, pedestrians,
*
etc.
Vehicles moving away from your vehicle
Vehicles approaching from the parking
spaces next to your vehicle
Objects which are extremely close to a
radar sensor
Vehicles which are approaching from the
right or left at the rear of the vehicle at a
traveling speed of less than approxi-
mately 5 mph (8 km/h)
Vehicles which are approaching from the
right or left at the rear of the vehicle at a
traveling speed of more than approxi-
mately 15 mph (24 km/h)
*
: Depending on the conditions, detection
of a vehicle and/or object may occur.
RCTA buzzer
Regardless of whether the RCTA function
is enabled or not (P.228), if the Parking
Support Brake function is enabled
(P.233) and brake control is performed,
a buzzer will sound to notify the driver.
Situations in which the system may
operate even though there is no possi-
bility of a collision
In some situations such as the following, the
Parking Support Brake function (rear-
*
*
*
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