Lexus RZ450E 2023 Owner's Manual page 333

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WARNING
Situations in which Traffic Jam Assist
Function should not be used
Do not use Traffic Jam Assist Function in
situations such as the following. As the
system will not be able to provide appro-
priate control, using it may lead to an
accident resulting in death or serious
injury.
When it is necessary to disable the sys-
tem
P.269
Situations in which the sensors may not
operate properly
P.273
Situations in which the lane may not be
detected
P.274
Situations in which the function may
not operate properly
In situations such as the following, the
Traffic Jam Assist function may not oper-
ate properly. Manually operate the vehi-
cle as necessary.
When a sensor is splashed by water
When the ambient temperature is high
or low
When a vehicle cuts in front of your
vehicle
When another lane merges into the
lane in the same traveling direction as
your vehicle
When driving in low visibility condition
When the vehicle posture is changing
When the traction on the road surface
differs greatly between the left and
right side tires
6-2. Using the safe driving support functions
When driving on an expressway with
no median strips or when driving on an
expressway equipped with temporary
median markers, such as poles.
When there is a significant difference
in speed between your vehicle and the
other vehicle
The map data has not been updated
properly.
To prevent malfunction of the radar
sensors
P.270
To prevent malfunction of the front
camera
P.271
Front camera installation area on the
windshield
P.272
Operating conditions of the function
This function is operable when all of the fol-
lowing conditions are met:
The system detects lane lines and the
path of preceding or surrounding vehi-
cles.
The dynamic radar cruise control and the
lane tracing assist are operating.
The turn signal lever is not being oper-
ated.
The vehicle is not being driven around a
sharp curve.
The vehicle is being driven in the center
of a lane.
The driver monitor camera is detecting
that the driver is facing front of the vehi-
cle.
The vehicle is driving in traffic jam on a
highway or expressway at approximately
25 mph (40 km/h) or less. (In some situ-
ations, such as when a traffic jam starts,
this function may be operational at
approximately 20 mph [30 km/h] or
less.)
333
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