Lexus LS500H 2022 Owner's Manual page 46

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46
1-2. Using Advanced Drive
WARNING
For safe use
Driving safely is the sole responsibility of
the driver. Do not overly rely on this sys-
tem, and pay careful attention to the sur-
rounding conditions in order to ensure
safe driving.
The EDSS is designed to provide sup-
port in an emergency where it is diffi-
cult for the driver to continue driving. It
is not designed to support driving
while drowsy or in poor physical
health, or inattentive driving.
Although the EDSS is designed to pro-
vide support in stopping the vehicle to
avoid or help reduce the impact of a
collision, its effectiveness may change
according to various conditions.
Therefore, it may not always be able to
achieve the same level of perfor-
mance. Also, if the operating condi-
tions are not met, this function will not
operate.
Do not attempt to test the operation of
EDSS, as it may not operate properly,
possibly leading to an accident.
After the EDSS operates, if driving
becomes possible again, immediately
begin driving again or, if necessary,
park the vehicle on the shoulder of the
road and operate the emergency
flashers to warn other drivers of your
stopped vehicle.
The EDSS detects the driver's condi-
tion based on manual driving opera-
tions. This function may operate if the
driver intentionally does not operate
the vehicle.
Also, if there is something wrong with the
driver but they are leaning on the steer-
ing wheel, this function may determine
that the steering wheel is being held and
may not operate.
Warning phase
If the warning function of the driver
monitor operates (P.34) and cor-
rective actions are not taken and driv-
ing operations such as holding the
steering wheel, are not performed, the
system will enter the warning phase.
A buzzer will sound intermittently, a
message urging the driver to hold the
steering wheel will be displayed, and
the vehicle will maintain its lane posi-
tion while gradually decelerating to
approximately 30 mph (48 km/h).
If no manual driving operations are
detected within a certain amount of
time, the system will judge there is
something wrong with the driver and
change to the control phase (P.47).
Warning phase operation
While the brakes are being operated by
the system, the stop lights may illuminate.
When the vehicle has decelerated a cer-
tain amount, the emergency flashers may
begin flashing automatically (except
when the stop lights are illuminated). The
emergency flashers can be turned off by
pressing the emergency flasher switch 2
times.
When the buzzer is sounding, the audio
system will be muted.
Cancelling the warning phase
If any of the following are performed, the
warning phase will be canceled:
The steering wheel is held
The accelerator pedal is depressed
The brake pedal is depressed
The LTA (Lane Tracing Assist) switch is
pressed
The Advanced Drive main switch is
pressed

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