Lexus RX 450h Owner's Manual page 373

WARNING
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.
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. (
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.133, 134) and all of the following con-
ditions are met:
Hybrid system output restriction control
●
• The Parking Support Brake is enabled.
• The vehicle speed is 15 km/h (9 mph) or
less.
• Vehicles which are approaching from the
right or left at the rear of the vehicle at a
traveling speed of less than approxi-
mately 8 km/h (5 mph)
• 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
an approaching vehicle.
Brake control
●
• Hybrid system output restriction control
is operating.
• 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 operat-
ing when
The function will stop operating if any of the
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4-5. Using the driving support systems
following conditions are met:
●
• The Parking Support Brake is disabled.
• The collision becomes avoidable with
• A vehicle is no longer approaching from
●
• The Parking Support Brake is disabled.
• Approximately 2 seconds have elapsed
• The brake pedal is depressed after the
• A vehicle is no longer approaching from

P.359)
■
P.362
■
The detection area of the Parking Support
Brake function (rear-crossing vehicles) dif-
fers from the detection area of the RCTA
function (P.356). 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.
■
The Parking Support Brake function
(rear-crossing vehicles) is not designed to
detect the following types of vehicles and/or
objects:
●
●
●
Hybrid system output restriction control
normal brake operation.
the right or left at the rear of the vehicle.
Brake control
since the vehicle was stopped by brake
control.
vehicle is stopped by brake control.
the right or left at the rear of the vehicle.
Re-enabling the Parking Support Brake
function (rear-crossing vehicles)
Detection area of the Parking Support
Brake function (rear-crossing vehicles)
Conditions under which the Parking
Support Brake function (rear-crossing
vehicles) will not detect a vehicle
Vehicles approaching from directly
behind
Vehicles backing up in a parking space
next to your vehicle
Vehicles that the sensors cannot detect
due to obstructions
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