Lexus GX550 2025 - Page 261

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4-5. Using the driving support systems
4
Driving
Function Conditions Operation Detectable objects
Obstacle Anticipa-
tion Assist (OAA)
A detectable object
is detected crossing
the road
Assistance with some
brake operations is
provided in order to
reduce the possibility
of a collision.
 Pedestrians
 Bicyclists
A detectable object
is detected on the
side of the road
Assistance with some
brake and steering
wheel operations are
provided according
to the surrounding
conditions to help
prevent the vehicle
from approaching
too close to a
detected object.
Assistance with
steering wheel oper-
ations is provided
within a range that
the vehicle will not
deviate from its cur-
rent lane.
 Pedestrians
 Bicyclists
 Parked vehicles
Deceleration Assist
(DA)
A preceding vehicle
or an adjacent vehi-
cle cutting in front of
the vehicle is
detected
The vehicle is gently
decelerated so that
the vehicle-to-vehi-
cle distance will not
be excessively short.
 Preceding vehicles
 Motorcycles
A curve is detected
ahead of the vehicle
The vehicle is gently
decelerated if the
vehicle speed is
determined to be too
high for the curve
ahead.
None
Steering Assist (SA) Lane is detected
The system antici-
pates the driver’s
operation and sup-
ports the operation of
the steering wheel.
None