Page 248 of 573

2474-5. Using the driving support systems
4
Driving
IS350/250_U (OM53758U)
■The outside rear view mirror indicators visibility
When under strong sunlight, the outside rear view mirror indicator may be difficult to
see.
■Rear Cross Traffic Alert buzzer hearing
Rear Cross 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 mes-
sages will be displayed: ( P. 4 6 5 )
●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 the U.S.A.
FCC ID : OAYSRR2A
This device complies with part 15 of the FC C Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may
cause undesired operation.
FCC Warning
Changes or modifications not expressly approved by the party responsible for compli-
ance could void the user's authority to operate the equipment.
For vehicles sold in Canada
Applicable law : Canada 310
This device complies with Industry Canada licence-exempt RSS standard(s). Operation
is subject to the following two conditions: (1) this device may not cause interference, and
(2) this device must accept any interference, including interference that may cause
undesired operation of the device.
Frequency bands : 24.05 - 24.25GHz
Output power : less than 20 milliwatts
Page 250 of 573

2494-5. Using the driving support systems
4
Driving
IS350/250_U (OM53758U)
The Blind Spot Monitor function uses radar sensors to detect vehicles that are
traveling in an adjacent lane in the area that is not reflected in the outside rear
view mirror (the blind spot), and advises the driver of the vehicles existence via
the outside rear view mirror indicator.
The areas that vehicles can be detected in are outlined below.
The range of the detection area
extends to:
Approximately 11.5 ft. (3.5 m) from
the side of the vehicle
The first 1.6 ft. (0.5 m) from the side of
the vehicle is not in the detection area
Approximately 9.8 ft. (3 m) from the
rear bumper
Approximately 3.3 ft. (1 m) forward
of the rear bumper
The Blind Spot Monitor function
The Blind Spot Monitor function detection areas
1
2
3
CAUTION
■Cautions regarding the use of the system
The driver is solely responsible for safe driving. Always drive safely, taking care to
observe your surroundings.
The Blind Spot Monitor function is a supp lementary function which alerts the driver
that a vehicle is present in the blind spot. Do not overly rely on the Blind Spot Monitor
function. The function cannot judg e if it is safe to change lanes, therefore over reliance
could cause an accident resulting in death or serious injury.
According to conditions, the system may not function correctly. Therefore the driver’s
own visual confirmation of safety is necessary.
Page 252 of 573

2514-5. Using the driving support systems
4
Driving
IS350/250_U (OM53758U)
The Rear Cross Traffic Alert functions when your vehicle is in reverse. It can
detect other vehicles approaching from the right or left rear of the vehicle. It uses
radar sensors to alert the driver of the other vehicle’s existence through flashing
the outside rear view mirror indicators and sounding a buzzer.
The Rear Cross Traffic Alert function
Approaching vehiclesDetection areas
CAUTION
■Cautions regarding the use of the system
The driver is solely responsible for safe driving. Always drive safely, taking care to
observe your surroundings.
The Rear Traffic Alert function is only an assist and is not a replacement for careful driv-
ing. Driver must be careful when backing up, even when using Rear Traffic Alert func-
tion. The driver’s own visual confirmation of behind you and your vehicle is necessary
and be sure there are no pedestrians, other vehicles etc. before backing up. Failure to
do so could cause death or serious injury.
According to conditions, the system may not function correctly. Therefore the driver’s
own visual confirmation of safety is necessary.
12
Page 348 of 573

3476-1. Using the air conditioning system
6
Interior features
IS350/250_U (OM53758U)
■Fan speed setting
Press to increase the fan speed.
Press to decrease the fan speed.
■Change the airflow mode
To change the airflow, press .
The air outlets used are switched each time the button is pressed.
■Other functions
●Switching between outside air and recirculated air modes (P. 3 4 9 )
●Defogging the windshield ( P. 3 5 0 )
●Defogging the rear window and outside rear view mirrors ( P. 3 5 0 )
With a Lexus Display Audio
Adjust the left-hand side temper-
ature setting.
Adjust the fan speed setting
Select to set auto mode on/off, fan
off and displaying the option con-
trol screen ( P. 3 4 8 )
Select the air flow mode
Adjust the right-hand side temperature setting
Move the Lexus Display Audio controller left/right to select the desired item
( to ).
When , or is selected:
Move the controller forward/backward or turn it left/right for adjusting.
When or is selected:
Move the controller forward/backward or turn it left/right to select a screen
button, then press the controller.
Air conditioning control screen
1
2
3
4
5
1
15
2125
34
Page 351 of 573

3506-1. Using the air conditioning system
IS350/250_U (OM53758U)
■Defogging the windshield
Defoggers are used to defog the windshield and front side windows.
Press .
Set the outside/recirculated air mode button to outside air mode if the recirculated
air mode is used. (It may switch automatically.)
To defog the windshield and the side windows early, turn the air flow and tempera-
ture up.
To return to the previous mode, press
again when the windshield is
defogged.
■Defogging the rear window and outside rear view mirrors
Defoggers are used to defog the rear window, and to remove raindrops, dew
and frost from the outside rear view mirrors.
Press .
The defoggers will automatically turn off after a period of time.
■Windshield wiper de-icer (if equipped)
This feature is used to prevent ice fr om building up on the windshield and
wiper blades.
Tu r n s o n /o f f .
The indicator comes on when the
windshield wiper de-icer is on.
The windshield de-icer will automati-
cally turn off after a period of time.
Page 354 of 573

3536-1. Using the air conditioning system
6
Interior features
IS350/250_U (OM53758U)
■When the outside temperature falls to nearly 32F (0 C)
The dehumidification function may not operate even when is pressed or “A/C” is
selected.
■Air conditioning odors
●During use, various odors from inside and outside the vehicle may enter into and accu-
mulate in the air conditioning system. This may then cause odor to be emitted from the
vents.
●To reduce potential odors from occurring:
• It is recommended that the air conditioning system be set to outside air mode prior to turning the vehicle off.
• The start timing of the blower may be dela yed for a short period of time immediately
after the air conditioning system is started in automatic mode.
■Air conditioning filter
P. 4 2 5
■Customization
Settings (e.g. A/C Auto switch operation) can be changed.
(Customizable features P. 5 3 1 )
CAUTION
■To prevent the windshield from fogging up
●Do not use during cool air operation in extremely humid weather. The differ-
ence between the temperature of the outside air and that of the windshield can cause
the outer surface of the windshield to fog up, blocking your vision.
■To prevent burns
●Do not touch the rear view mirror surfaces when the outside rear view mirror defog-
gers are on.
●Do not touch the glass at lower part of the wi ndshield or to the side of the front pillars
when the windshield wiper de-icer is on.
NOTICE
■To prevent battery discharge
Do not leave the air conditioning system on longer than necessary when the engine is
stopped.
●Do not place anything on the instrument
panel which may cover th e air outlets. Other-
wise, air flow may be obstructed, preventing
the windshield defoggers from defogging.
Page 376 of 573
3756-4. Using the other interior features
6
Interior features
IS350/250_U (OM53758U)
To turn the compass on or off, push the
switch.
Compass
: If equipped
The compass on the inside rear view mirror indicates the direction in which
the vehicle is heading.
Operation
Displays and directions
DisplayDirection
NNorth
NENortheast
EEast
SESoutheast
SSouth
SWSouthwest
WWe s t
NWNorthwest
Page 378 of 573

3776-4. Using the other interior features
6
Interior features
IS350/250_U (OM53758U)
■Circling calibration
When “C” appears on the display,
drive the vehicle at 5 mph (8 km/h)
or less in a circle until a direction is
displayed.
If there is not enough space to drive
in a circle, drive around the block
until the direction is displayed.
■Conditions unfavorable to correct operation
The compass may not show the correct direction in the following conditions:
●The vehicle is stopped immediately after turning.
●The vehicle is on an inclined surface.
●The vehicle is in a place where the earth's magnetic field is subject to interference by
artificial magnetic fields (underground car park/parking lot, under a steel tower,
between buildings, roof car park/parking lot, near an intersection, near a large vehicle,
etc.).
●The vehicle has become magnetized.
(There is a magnet or metal object near the inside rear view mirror.)
●The battery has been disconnected.
●A door is open.
CAUTION
■While driving the vehicle
Do not adjust the display. Adjust the di splay only when the vehicle is stopped.
■When doing the circling calibration
Secure a wide space, and watch out for people and vehicles in the neighborhood. Do
not violate any local traffic rules while performing circling calibration.
NOTICE
■To avoid compass malfunctions
Do not place magnets or any metal object s near the inside rear view mirror.
Doing this may cause the compass sensor to malfunction.
■To ensure normal operation of the compass
●Do not perform circling calibration of th e compass in a place where the earth's mag-
netic field is subject to interference by artificial magnetic fields.
●During calibration, do not operate electric systems (moon roof, power windows, etc.)
as they may interfere with the calibration.