Lexus GX550 2025 - Cle; Parking Support Brake Function (Moving Vehicles Rear of the Vehicle)

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4-5. Using the driving support systems
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
P.289
■ The Parking Support Brake function
(moving vehicles rear of the vehicle) will
operate when
The function will operate when the driving
assist information indicator is not illumi-
nated (P.69, 71) and all of the following
conditions are met:
● Engine output restriction control
• The Parking Support Brake is enabled.
• The vehicle speed is approximately 9
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 approximately 5 mph (8
km/h) or more.
• The shift position 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
• Engine output restriction control is oper-
ating.
• The Parking Support Brake determined
that an emergency brake operation was
necessary to avoid a collision with a vehi-
cle approaching from the rear.
■ The Parking Support Brake function
(moving vehicles rear of the vehicle) will
stop operating 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.
Parking Support Brake
function (moving vehicles
rear of the vehicle)
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 the function opera-
tion
Types of sensors
WARNING
■ To ensure the system can operate
properly
P.289