2013 Lexus GS300h Owner's Manual

4144-5. Using the driving support system
GS450h_300h_OM_OM30D53E_(EE)The latest “DECLARATION of CONFORMITY” (DoC) is available at the
following:
http://www.globaldenso.com/en/products/oem/index.html#2

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GS450h_300h_OM_OM30D53E_(EE)
CAUTION
Limitations of the pre-crash safety system
Do not overly rely on the pre-crash safety system. Always drive safely, tak-
ing care to observe your surroundings and checking for any obstacles or
other road hazards.
Failure to do so may cause an accident resulting in death or serious injury.
Handling the radar sensor
Observe the following to ensure the pre-crash safety system can function
effectively. Otherwise, the system may not function correctly and could
result in an accident.
Keep the sensor and grille cover clean at all times.
Clean the sensor and grille cover with a soft cloth so you do not mark or
damage them.
Do not subject the sensor or surrounding area to a strong impact.
If the sensor moves even slightly off position, the system may become
inaccurate or malfunction. If the sensor or surrounding area is subject to a
strong impact, always have the area inspected and adjusted by any autho-
rized Lexus dealer or repairer, or another duly qualified and equipped pro-
fessional.
Do not disassemble the sensor.
Do not attach accessories or stickers to the sensor, grille cover or sur-
rounding area.
Do not modify or paint the sensor and grille cover.
Do not replace them with non-genuine parts.
Determining the direction the driver is facing and whether the driver’s eyes
are open or closed
The direction the driver is facing and whether the driver’s eyes are open or
closed may not be determined correctly if the following conditions exist:
There is an object between the driver monitor sensor and the driver’s face,
such as when the sensor is blocked.
A part of the driver’s face is covered.
The sensor or the driver’s face is exposed to intense light such as sunlight.
The driving posture is improper.

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CAUTION
Handling the driver monitor sensor
Observe the following to ensure the driver monitor sensor can function
effectively.
Failure to do so may result in a malfunction or may prevent the system
from correctly determining the direction the driver is facing, resulting in an
unexpected accident.
Do not disassemble, damage, lift or pull on the sensor.
Do not touch the sensor while driving.
Do not wet or spill water on the sensor.
Do not drop anything on or allow anything to hit against the sensor. Do
not subject the sensor to an impact.
Make sure that there are no scratches, dirt or stickers on the side of the
sensor that faces the driver.
Do not place any objects in front of the side of the sensor that faces the
driver or cover the sensor.

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GS450h_300h_OM_OM30D53E_(EE)
CAUTION
Cautions regarding the assist contents of the system
By means of alarms and brake control, the pre-crash safety system is
intended to assist the driver in avoiding collisions through the process of
LOOK-JUDGE-ACT. There are limits to the degree of assistance the sys-
tem can provide, so please keep in mind the following important points.
Assisting the driver in watching the road
The pre-crash safety system is only able to detect obstacles directly in
front of the vehicle, and only within a limited range. It is not a mechanism
that allows careless or inattentive driving, and it is not a system that can
assist the driver in low-visibility conditions. It is still necessary for the
driver to pay close attention to the vehicle’s surroundings.
Assisting the driver in making correct judgment
When attempting to estimate the possibility of a collision, the only data
available to the pre-crash safety system is that from obstacles it has
detected directly in front of the vehicle. Therefore, it is absolutely neces-
sary for the driver to remain vigilant and to determine whether or not there
is a possibility of collision in any given situation.
Assisting the driver in taking action
The pre-crash safety system’s braking assist feature is designed to help
reduce the severity of a collision, and so only acts when the system has
judged that a collision is unavoidable. This system by itself is not capable
of automatically avoiding a collision or bringing the vehicle to a stop
safely. For this reason, when encountering a dangerous situation the driver
must take direct and immediate action in order to ensure the safety of all
involved.
NOTICE
Precautions for cleaning the driver monitor sensor
Gently wipe the sensor with a soft cloth to prevent damage.
Wipe any excess dirt with a cloth dampened with neutral detergent, all liq-
uids having been wringed out of the cloth. After that, wipe again with a
dry cloth.
Do not use benzene, thinner, glass cleaners, wax, etc.

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BSM (Blind Spot Monitor)
The Blind Spot Monitor is a system that has 2 functions;
The Blind Spot Monitor function
Assists the driver in making the decision when changing lanes
The Rear Crossing Traffic Alert function (if equipped)
Assists the driver when backing up
These functions use same sensors.

: If equipped
Summary of the Blind Spot Monitor

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BSM main switch
Pressing the switch turns the system on or off. When the switch is set to
on, the switch’s indicator illuminates and the buzzer sounds. Common
switch for Blind Spot Monitor function and Rear Crossing Traffic Alert
function.
Outside rear view mirror indicators
Blind Spot Monitor function:
When a vehicle is detected in the blind spot, the outside rear view mirror
indicator comes on while the turn signal lever is not operated and the out-
side rear view mirror indicator flashes while the turn signal lever is oper-
ated.
Rear Crossing Traffic Alert function:
When a vehicle approaching from the right or left rear of the vehicle is
detected, the outside rear view mirror indicators flash.
Rear Crossing Traffic Alert buzzer (Rear Crossing Traffic Alert
function only)
When a vehicle approaching from the right or left rear of the vehicle is
detected, a buzzer sounds from behind the rear seat.
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The outside rear view mirror indicators visibility
When under strong sunlight, the outside rear view mirror indicator may be
difficult to see.
Rear Crossing Traffic Alert buzzer hearing
Rear Crossing Traffic Alert function may be difficult to hear over loud noises
such as high audio volume.
When there is a malfunction in the Blind Spot Monitor
If a system malfunction is detected due to any of the following reasons,
warning messages will be displayed: (P. 845, 855)
There is a malfunction with the sensors
The sensors have become dirty
The outside temperature is extremely high or low
The sensor voltage has become abnormal
Certification for the Blind Spot Monitor
For vehicles sold in Russia
type approval number: POCC DE.ML05.H01144
For vehicles sold in Ukraine
type approval number: 1O094.000966-13

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Except for vehicles sold in Russia and Ukraine
The latest “DECLARATION of CONFORMITY” (DoC) is available at the
following:
DoC address:
http://continental.automotive-approvals.de/index.php?produkt=SRR2-A