headlights Lexus IS250 2015 User Guide

1804-3. Operating the lights and wipers
IS350/250_U (OM53C50U)
NOTICE
■Notes when using the Automatic High Beam system
●Do not touch the camera sensor.
●Do not subject the camera sensor to a strong impact.
●Do not disassemble the camera sensor.
●Do not spill liquid onto the camera sensor.
●Do not apply window tinting or stickers to the camera sensor or the area of wind-
shield near the camera sensor.
●Do not place items on the da shboard. There is a possibility that the camera sensor will
mistake items reflected in the windshield fo r streetlights, the headlights of other vehi-
cles, etc.
●Do not install a parking tag or any other accessories near or around the camera sen-
sor.
●Do not overload the vehicle.
●Do not modify the vehicle.
●Do not replace windshield with non-genuine windshield.
Contact your Lexus dealer.
Observe the following to ensure that the Auto-
matic High Beam functions correctly.

1814-3. Operating the lights and wipers
4
Driving
IS350/250_U (OM53C50U)
(U.S.A.) or (Canada) Turns the fog lights off
Turns the fog lights on
■Fog lights can be used when
The headlights are on in low beam.
■Operation guide display (vehicles with rain-sensing windshield wipers only)
When the fog light switch is operated, the current status is displayed on the meters for a
few seconds. ( →P. 8 9 )
Fog light switch∗
∗
: If equipped
The fog lights secure excellent visibility in difficult driving conditions, such as
in rain and fog.
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1834-3. Operating the lights and wipers
4
Driving
IS350/250_U (OM53C50U)
Wiper intervals can be adjusted when intermittent operation is selected.Increases the intermittent windshield
wiper frequency
Decreases the intermittent wind-
shield wiper frequency
Washer/wiper dual operation
The wipers will automatically operate a
couple of times after the washer squirts.
Vehicles with headlight cleaners: When
the headlights are on and the lever is
pulled and held, the headlight cleaners
will operate once. After this, the head-
light cleaners will operate every 5th
time the lever is pulled.
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1854-3. Operating the lights and wipers
4
Driving
IS350/250_U (OM53C50U)
When AUTO mode is selected, the sensor sensitivity can be adjusted by turning
the switch ring.Increases the sensitivity
Decreases the sensitivity
Washer/wiper dual operation
The wipers will automatically operate a
couple of times after the washer squirts.
Vehicles with headlight cleaners: When
the headlights are on and the lever is
pulled and held, the headlight cleaners
will operate once. After this, the head-
light cleaners will operate every 5th
time the lever is pulled.
The wipers can be used as intermittent windshield wipers, which operate regard-
less of vehicle speed or amount of raindrops. The intermittent windshield wiper
operation can be switched when the vehicle is stopped and the wiper is off. The
wiper operation cannot be switched during AUTO mode or while the intermit-
tent windshield wipers are operating.
Press and hold until the AUTO
mode indicator stops flashing.
If is pressed and held until the
AUTO mode indicator stops flashing
again, it will return to its previous state.
The wiper can be switched when the
vehicle is stopped and the wipers are off.
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Switching between the intermittent windshield wipers and rain-sensing
windshield wipers (vehicles with rain-sensing windshield wipers)

2124-5. Using the driving support systems
IS350/250_U (OM53C50U)
●When driving on roads that are branching or merging
●When driving on a road surface that is wet du e to rain, previous rainfall, standing water,
etc.
●When the vehicle experiences strong up-and-down motion such as when driving on an
extremely rough road or on a seam in the pavement
●When headlight brightness at nighttime is reduced due to dirt on the lenses, or when
the headlights are misaligned
●When driving on winding roads or roads that are uneven
●When driving on rough or unpaved roads
■When changing the tires
Depending on the tires used, sufficient performance may not be maintainable.
■Warning messages for the LDA system
Warning messages are used to indicate a syst em malfunction or to inform the driver of
the need for caution while driving. ( →P. 4 76 )
CAUTION
■Before using the LDA system
Do not rely solely on the LDA system. The LDA system does not drive the vehicle auto-
matically, nor does it reduce the amount of care you need to take. As such, the driver
must always assume full responsibility fo r understanding his/her surroundings, for
operating the steering wheel to correct th e driving line, and for driving safely.
Inappropriate or negligent driving could lead to an accident.
■To avoid operating the LDA by mistake
Switch the LDA system off using the LDA switch when not in use.
■Situations unsuitable for LDA system
Do not use the LDA system in any of the following situations.
Otherwise, the system may not function correctly and could result in an accident.
●When driving with tire chains, a spare tire, or similar equipment
●When there are objects or structures along the roadside that might be misinterpreted
as lane markers (such as guardrails, a curb, reflector posts, etc.)
●When driving on snowy roads
●When pavement lane markers are difficult to see due to rain, snow, fog, sand dust, etc.
●When there are visible lines on the pavement from road repairs, or if the remains of
old lane markers are still visible on the road
●When driving on a road with lane closures due to maintenance, or when driving in a
temporary lane

2134-5. Using the driving support systems
4
Driving
IS350/250_U (OM53C50U)
NOTICE
■To prevent damage to or incorrect operation of the LDA system
●Do not modify the headlights or attach stickers to the surface of the lights.
●Do not modify the suspension or replace it with non-genuine parts.
●Do not install or place anything on the hood or the grille. Also, do not install a grille
guard (bull bars, kangaroo bar etc.).
●If your windshield needs repairs, contact your Lexus dealer.
■Camera sensor
Observe the following to ensure that the LDA system functions correctly.
●Keep the windshield clean at all times.
Performance could be affected if the windshie ld is dirty, or if raindrops, condensation
or ice are adhering to the windshield.
●Do not spill liquid onto the camera sensor
●Do not attach window tinting to the windshield.
●Do not install an antenna in front of the camera lens.
●If the windshield is fogged up, use the windshield defogger to remove fog from the
windshield.
When it is cold, using the he ater with air blowing to the feet may allow the upper part
of the windshield to fog up. This will have a negative effect on the images.
●Do not scratch the camera lens, or let it get dirty.
When cleaning the inside of the windshield, be careful not to get any glass cleaner
etc. on the lens. Also, do not touch the lens.
For lens repair, contact your Lexus dealer.
●Do not change the installation position or di rection of the camera sensor or remove it.
The direction of the camera sensor is precisely adjusted.
●Do not subject the camera sensor to strong impact or force, and do not disassemble
the camera sensor.
●Do not replace windshield with non-genuine windshield.
Contact your Lexus dealer.
●Do not attach a sticker or other items to the
windshield near the camera sensor.

2334-5. Using the driving support systems
4
Driving
IS350/250_U (OM53C50U)
■If you notice any symptoms
If you notice any of the following symptoms, refer to the likely cause and the
solution, and re-check.
If the symptom is not resolved by the solution, have the vehicle inspected by
your Lexus dealer.
Things you should know
Likely causeSolution
‰ The image is difficult to see
• The vehicle is in a dark area
• The temperature around the lens is
either high or low
• The outside temperature is low
• There are water droplets on the cam- era
• It is raining or humid
• Foreign matter (mud etc.) is adhering to the camera
• There are scratches on the camera
• Sunlight or headlights are shining directly into the camera
• The vehicle is under fluorescent lights,
sodium lights, mercury lights etc.
If this happens due to these causes, it
does not indicate a malfunction.
Back up while visually checking the vehi-
cle’s surroundings. (Use the monitor
again once conditions have been
improved.)
The image on the Lexus parking assist
monitor system screen can be adjusted.
(→ P. 2 8 0 )
‰ The image is blurry
Dirt or foreign matter (such as water
droplets, snow, mud etc.) is adhering to
the camera.Rinse the camera lens with water and
wipe it clean with a soft cloth.
Wash with a mild soap if the dirt is stub-
born.
‰The image is out of alignment
The camera or surrounding area has
received a strong impact.Have the vehicle inspected by your Lexus
dealer.
‰The guide lines are very far out of alignment
The camera position is out of alignment.Have the vehicle inspected by your Lexus
dealer.
• The vehicle is tilted (there is a heavy
load on the vehicle, tire pressure is low
due to a tire puncture, etc.)
• The vehicle is used on an incline.If this happens due to these causes, it
does not indicate a malfunction.
Back up while visually checking the vehi-
cle’s surroundings.

2805-2. Setup
IS350/250_U (OM53C50U)
Go to “Display”: → “Display”
Tu r n o f f s c r e e n .
Adjust screen quality.
Adjust screen quality of the rear
view monitor camera.
Change to day mode.
This setting turns the screen off. To turn it on, press any button such as or .
If a screen off image has been set, the set image will be displayed.
When the headlights are turned on, the screen dims.
However, the screen can be switched to day mode by selecting “Day Mode”.
The screen will stay in day mode when the headlights are turned on until “Day Mode”
is selected again.
Select “General” or “Camera” on the “Display” screen or select “Display” on
each audio menu screen. ( →P. 2 8 6 )
Adjust the display as desired by turning the controller clockwise (+) or
counterclockwise (-).
To select “Contrast”, “Brightness”, “Color” or “Tone”, move the controller to the left.
(when “Display” is selected, “Color” and “Tone” are available.)
■Changing the sample image (when “General” is selected)
Move the controller to the right and select the desired sample image.
Display settings
Settings are available for adjusting the contrast and brightness of the screen.
The display can also be turned off.
Screen for display settings
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Screen off
Day mode
Adjusting the screen quality
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4457-3. Do-it-yourself maintenance
7
Maintenance and care
IS350/250_U (OM53C50U)
■Front
■Rear
Bulb locations
XVehicles with discharge head-
lightsXVehicles with LED headlights
Front turn signal light
Back-up light
Rear turn signal light1
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4467-3. Do-it-yourself maintenance
IS350/250_U (OM53C50U)
■Front turn signal lights (veh icles with discharge headlights)
To ensure enough space to per-
form work, turn the steering
wheel to rotate the front wheel
away from the bulb to be
replaced.
Remove the 2 fender liner clips.
Turn the steering wheel to the left
when replacing the right side light
bulb, and turn the steering wheel to
the right when replacing the left side
light bulb.
To take out the lower clip, turn the
head of the clip to unlock it, then
remove it by pulling.
Unfasten the clamp, and pull back
the fender liner.
When unfastening the clamp, wrap
the tip of the screwdriver with tape to
protect the vehicle from damage.
Turn the bulb base counterclock-
wise.
Replacing light bulbs
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