Lexus IS220d 2012 Owner's Manual

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2-4. Using other driving systems
2
When driving
IS250/220d/200d_EE
Selecting conventional constant speed control mode
Constant speed control mode differs from vehicle-to-vehicle dis-
tance control mode. When constant speed control mode is selected,
your vehicle will maintain a set speed regardless of whether or not
there are other vehicles in the lane ahead.
Press the “ON-OFF” button
to activate the cruise control.
Cruise control indicator will
come on.
Press the button again to deacti-
vate the cruise control.
Switch to constant speed
control mode.
(Push the lever forward and
hold for approximately one
second.)
When in constant speed control
mode, to return to vehicle-to-
vehicle distance control mode,
push the lever forward again
and hold for approximately 1
second.
After the desired speed has been
set, it is not possible to return to
vehicle-to-vehicle distance con-
trol mode.
If the “ENGINE START STOP”
switch is turned off and then
turned to IGNITION ON mode
again, the vehicle will automati-
cally return to vehicle-to-vehi-
cle distance control mode.

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Adjusting the speed setting:
P. 2 0 4
Canceling and resuming the
speed setting: P. 206
Dynamic radar cruise control can be set when
The shift lever is in the D or range 4 or higher of S has been selected.
Range 4 or higher has been selected by using the paddle shift.
(vehicles with paddle shift switch)
Vehicle speed is above approximately 50 km/h (30 mph).
Accelerating after setting the vehicle speed
The vehicle can accelerate normally. After acceleration, the set speed
resumes. However, during vehicle-to-vehicle distance control mode, the
vehicle speed may decrease below the set speed in order to maintain the dis-
tance to the vehicle ahead.
Automatic cancelation of vehicle-to-vehicle distance control
Vehicle-to-vehicle distance control driving is automatically canceled in the
following situations:
Actual vehicle speed falls below approximately 40 km/h (25 mph).
VSC is activated.
The sensor cannot operate correctly because it is covered in some way.
The windshield wipers are operating at high speed (when the wiper
switch is set to the “AUTO” mode or the high speed wiper operation
position).
When snow mode is set. (IS250 only)
If vehicle-to-vehicle distance control driving is automatically canceled for
any other reason, there may be a malfunction in the system. Contact any
authorized Lexus dealer or repairer, or another duly qualified and equipped
professional.

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2-4. Using other driving systems
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When driving
IS250/220d/200d_EE
Automatic cancelation of constant speed control
The cruise control will stop maintaining the vehicle speed in the following
situations:
Actual vehicle speed is more than approximately 16 km/h (10 mph)
below the set vehicle speed.
At this time, the memorized set speed is not retained.
Actual vehicle speed falls below approximately 40 km/h (25 mph).
VSC is activated.
Radar sensor and grille cover
Always keep the sensor and grille cover clean to ensure that the vehicle-to-
vehicle distance control operates properly. (Some obstructions, such as
snow, ice and plastic objects, cannot be detected by the obstruction sensor.)
Dynamic radar cruise control is canceled if an obstruction is detected.
Warning lights, messages and buzzers for dynamic radar cruise control
Warning lights, messages and buzzers are used to indicate a system mal-
function or to inform the driver of the need for caution while driving. (P.
467, 473)
Grille cover
Radar sensor

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2-4. Using other driving systems
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Certification
Hereby, DENSO CORPORATION declares that this DNMWR005 is in
compliance with the essential requirements and other relevant provisions
of Directive 1999/5/EC.
Hér með lýsir DENSO CORPORATION yfir því að DNMWR005 er í
samræmi við grunnkröfur og aðrar kröfur, sem gerðar eru í tilskipun
1999/5/EC.
Con la presente DENSO CORPORATION dichiara che questo
DNMWR005 è conforme ai requisiti essenziali ed alle altre disposizioni
pertinenti stabilite dalla direttiva 1999/5/CE.
Käesolevaga kinnitab DENSO CORPORATION seadme DNMWR005
vastavust direktiivi 1999/5/EÜ põhinõuetele ja nimetatud direktiivist
tulenevatele teistele asjakohastele sätetele.
Hierbij verklaart DENSO CORPORATION dat het toestel DNMWR005 in
overeenstemming is met de essentiële eisen en de andere relevante
bepalingen van richtlijn 1999/5/EG.
ME 

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2-4. Using other driving systems
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When driving
IS250/220d/200d_EE
DENSO CORPORATION tímto prohlašuje, že tento DNMWR005 je ve
shod
 se základními požadavky a dalšími p
íslušnými ustanoveními
sm
rnice 1999/5/ES.
Undertegnede DENSO CORPORATION erklærer herved, at følgende
udstyrDNMWR005overholder de væsentlige krav og øvrige relevante
krav i direktiv 1999/5/EF.
Hiermit erklärt DENSO CORPORATION, dass sich das Gerät DNMWR005
in Übereinstimmung mit den grundlegenden Anforderungen und den
übrigen einschlägigen Bestimmungen der Richtlinie 1999/5/EG befindet.
DENSO CORPORATION erklærer herved at utstyret DNMWR005 er i
samsvar med de grunnleggende krav og øvrige relevante krav i direktiv
1999/5/EF.
Alulírott, DENSO CORPORATION nyilatkozom, hogy a DNMWR005
megfelel a vonatkozó alapvetõ követelményeknek és az 1999/5/EC
irányelv egyéb elõírásainak.
DENSO CORPORATION vakuuttaa täten että DNMWR005 tyyppinen laite
on direktiivin 1999/5/EY oleellisten vaatimusten ja sitä koskevien direktiivin
muiden ehtojen mukainen.
Par la présente DENSO CORPORATION déclare que l'appareil
DNMWR005est conforme aux exigences essentielles et aux autres
dispositions pertinentes de la directive 1999/5/CE.
Niniejszym DENSO CORPORATION o
wiadcza,
*e DNMWR005 jest
zgodny z zasadniczymi wymogami oraz pozostaáymi stosownymi
postanowieniami Dyrektywy 1999/5/EC.
DENSO CORPORATION declara que este DNMWR005está conforme
com os requisitos essenciais e outras disposições da Directiva 1999/5/CE.
Hawnhekk, DENSO CORPORATION, jiddikjara li dan DNMWR005
jikkonforma mal-
«ti
¥ijiet essenzjali u ma provvedimenti o
«rajn relevanti li
hemm fid-Dirrettiva 1999/5/EC.
Ar šo, DENSO CORPORATION, deklar, ka DNMWR005 atbilst Direkt
¯vas
1999/5/EK b
Ìtiskaj
—m pras
¯b
—m un citiem ar to saist
¯tajiem noteikumiem.
Šiuo DENSO CORPORATION deklaruoja, kad šisDNMWR005atitinka
esminius reikalavimus ir kitas 1999/5/EB Direktyvos nuostatas.

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CAUTION
Before using dynamic radar cruise control
Do not overly rely on vehicle-to-vehicle distance control.
Be aware of the set speed. If automatic deceleration/acceleration is not
appropriate, adjust the vehicle speed, as well as the distance between your
vehicle and vehicles ahead by applying the brakes etc.
Cautions regarding the driving assist systems
Observe the following precautions.
Failure to do so may cause an accident resulting in death or serious injury.
Assisting the driver to measure following distance
The dynamic radar cruise control is only intended to help the driver in
determining the following distance between the driver’s own vehicle and
a designated vehicle traveling ahead. 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 driver to pay
close attention to the vehicle’s surroundings.
Assisting the driver to judge proper following distance
The dynamic radar cruise control determines whether the following dis-
tance between the driver’s own vehicle and a designated vehicle traveling
ahead is appropriate or not. It is not capable of making any other type of
judgement. Therefore, it is absolutely necessary for the driver to remain
vigilant and to determine whether or not there is a possibility of danger in
any given situation.
Assisting the driver to operate the vehicle
The dynamic radar cruise control has no capability to prevent or avoid a
collision with a vehicle traveling ahead. Therefore, if there is ever any
danger, the driver must take immediate and direct control of the vehicle
and act appropriately in order to ensure the safety of all involved.
To avoid inadvertent cruise control activation
Switch the cruise control off using the “ON-OFF” button when not in use.

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When driving
IS250/220d/200d_EE
CAUTION
Situations unsuitable for dynamic radar cruise control
Do not use dynamic radar cruise control in any of the following situations.
Doing so may result in inappropriate speed control and could cause an acci-
dent resulting in death or serious injury.
In heavy traffic
On roads with sharp bends
On winding roads
On slippery roads, such as those covered with rain, ice and snow
On steep downhills, or where there are sudden changes between sharp up
and down gradients
At entrances to expressways
When weather conditions are bad enough that they may prevent the sen-
sors from functioning correctly (fog, snow, sandstorm, heavy rain, etc.)
Vehicle speed may exceed the set speed when driving down a steep hill.
When an approach warning buzzer is heard often
When your vehicle is towing a trailer or during emergency towing
When the sensor may not be correctly detecting the vehicle ahead
Apply the brakes as necessary when any of the following types of vehicles
are in front of you.
As the sensor may not be able to correctly detect these types of vehicles, the
approach warning (P. 208) will not be activated, and a fatal or serious
accident may result.
Vehicles that cut in suddenly
Vehicles traveling at low speeds
Vehicles that are not moving
Vehicles with small rear ends (trailers with no load on board etc.)
Motorcycles traveling in the same lane

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CAUTION
Conditions under which the vehicle-to-vehicle distance control may not
function correctly
Apply the brakes as necessary in the following conditions as the radar sen-
sor may not be able to correctly detect vehicles ahead, and a fatal or serious
accident may result:
When water or snow thrown up by the surrounding vehicles hinders the
functioning of the sensor
When your vehicle is pointing upwards (caused by a heavy load in the
trunk etc.)
When the road curves or when the lanes are narrow
When steering wheel operation or your position in the lane is unstable
When the vehicle ahead of you decelerates suddenly
Handling the radar sensor
Observe the following to ensure the cruise control system can function
effectively.
Otherwise, the system may not function correctly and could result in an
accident.
Keep the sensor and front grille cover clean at all times.
Clean the sensor and front 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 malfunc-
tion. If the sensor or surrounding area is subject to a strong impact, always
have the area inspected and adjusted by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.
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.

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IS250/220d/200d_EE
Lexus parking assist-sensor
The distance to obstacles measured by the sensors is communicated
via the multi-information display and a buzzer when parallel parking
or maneuvering into a garage. Always check the surrounding area
when using this system.
With navigation system
For vehicles equipped with a navigation system, refer to the separate
“Navigation System Owner’s Manual” for further details.
Without navigation system
Types of sensors
Front corner sensors
Rear corner sensors
Back sensors
Multi-information display (P. 181)
Front corner sensor opera-
tion
Rear corner sensor opera-
tion
Back sensor operation

: If equipped

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The distance display and buzzer
When a sensor detects an obstacle, the direction of and the approx-
imate distance to the obstacle are displayed and the buzzer sounds.
Front corner sensors
Multi-information
displayApproximate distance
to obstacleBuzzer
50 to 40 cm
(1.6 to 1.3 ft.)Medium
40 to 30 cm
(1.3 to 1.0 ft.)Fast
30 cm (1.0 ft.) or lessContinuous
Lexus parking assist-sensor switch (P. 365)
When on, an indicator is dis-
played to inform the driver
that the function is opera-
tional.