Lexus RZ450E 2023 Owner's Manual page 295

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When the system can no longer detect
lane lines
When the turn signal lever is operated to
the second position (P.295).
When the turn signal lever is operated in
the opposite direction of the lane change
When the system detects operation of
the steering wheel, brake pedal or accel-
erator pedal by the driver.
If the system detects that a vehicle is quickly
approaching in the lane toward which the
turn signal is operated a buzzer will sound
and a message will be displayed to alert the
driver. At the same time the steering wheel
may be slightly operated to help keep the
vehicle away from the approaching vehicle.
Hands off steering wheel warning oper-
ation
When the system determines the driver is
not holding the steering wheel, a message
urging the driver to grip the steering wheel
and the icon shown in the illustration will be
displayed on the multi-information display
to warn the driver. If the system detects that
the steering wheel is held, the warning will
be canceled. When using the system, make
sure to grip the steering wheel firmly,
regardless of whether the warning is oper-
ating or not.
Situations in which the hands off steer-
ing wheel warning may not operate
properly
Depending on the condition of the vehi-
cle, handle control condition and road
surface, the warning function may not
operate.
In the following situations, the system may
not be able to detect when the driver's
hands are off the steering wheel.
6-2. Using the safe driving support functions
• When a steering wheel cover is installed
• When the driver is wearing gloves
• When foreign matter is attached to the
steering wheel
• When the driver is gripping the wood
trim, seam of the leather, spokes, or other
part of the steering wheel that does not
have sensors
In the following situations, the hands off
steering wheel warning may not operate
and the LCA function may continue
operating even though the driver's hands
are off the steering wheel:
• When something other than a hand is
contacting the steering wheel
• When a wide object or arms are held
across the steering wheel
Operating the LCA
If the turn signal lever is held in the first
position, the lane change direction will
be displayed and the function will oper-
ate.
To change lanes by holding the turn signal
lever in the first position without using the
LCA, turn the customize setting of the
LCA off.
295
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