Lexus RX350 2023 Manual page 329

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When the PKSB (Parking Support
Brake) function is off, the driving assist
information indicator (P.76) will illu-
minate and a message will be displayed
on the multi-information display.
When turned OFF (disabled), the PKSB
(Parking Support Brake) will be disabled
and will not be enabled until the setting is
changed to ON again in center display.
(The function will not be reenabled by
operating the engine switch.)
PKSB (Parking Support Brake)
displays and buzzers
If the engine output restriction control or
brake control operates, a buzzer will sound
and a message will be displayed on the
multi-information display and center dis-
play to alert the driver.
Depending on the situation, engine output
restriction control will operate to either
limit acceleration or restrict output as
much as possible.
 Engine output restriction control is
operating (acceleration restriction)
Acceleration greater than a certain
amount is restricted by the system.
Center display: No warning displayed
Multi-information display: "Object
Detected Acceleration Reduced"
Driving assist information indicator: Not
illuminated
Buzzer: Does not sound
System overview
If the PKSB (Parking Support Brake) determines that a collision with a detected
object or pedestrian is possible, the engine output will be restricted to restrain any
increase in the vehicle speed. (Engine output restriction control: See figure 2.)
4-5. Using the driving support systems
 Engine output restriction control is
operating (output restricted as
much as possible)
The system has determined that stron-
ger-than-normal brake operation is neces-
sary.
Center display/multi-information display:
A display urging to operate the brakes
Driving assist information indicator: Not
illuminated
Buzzer: Short beep
 Brake control is operating
The system determined that emergency
braking is necessary.
Center display/multi-information display:
A display urging to operate the brakes
Driving assist information indicator: Not
illuminated
Buzzer: Short beep
 Vehicle stopped by system opera-
tion
The vehicle has been stopped by brake
control operation.
Center display: "Press Brake Pedal"
Multi-information display: "Switch to
Brake" (If the accelerator pedal is not
depressed, "Press Brake Pedal" will be dis-
played.)
Driving assist information indicator: Illumi-
nated
Buzzer: Sounds repeatedly
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