Page 214 of 573

2134-5. Using the driving support systems
4
Driving
IS350/250_U (OM53758U)
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 wi ndshield 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 se nsor 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.
Page 229 of 573

2284-5. Using the driving support systems
IS350/250_U (OM53758U)
■If you notice any symptoms
If you notice any of the following symp toms, 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.)
To adjust the image on the rear view mon-
itor system screen. ( P. 2 7 2 )
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 fixed guide lines are very far out of alignment
• 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 vehicle's sur-
roundings.
The camera position is out of alignment.Have the vehicle inspected by your Lexus
dealer.
Page 273 of 573

2725-2. Setup
IS350/250_U (OM53758U)
Go to “Display”: “Display”
Turn off screen.
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 7 8 )
Adjust the display as desired by turning the controller clockwise (+) or coun-
terclockwise (-).
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
1
2
3
4
Screen off
Day mode
Adjusting the screen quality
1
2
Page 433 of 573
4327-3. Do-it-yourself maintenance
IS350/250_U (OM53758U)
Check the wattage of the light bulb to be replaced. ( P. 5 0 9 )
■Front
Vehicles with discharge headlights
Light bulbs
You may replace the following bulbs by yourself. The difficulty level of replace-
ment varies depending on the bulb. If necessary bulb replacement seems diffi-
cult to perform, contact your Lexus dealer.
For more information about replacing other light bulbs, contact your Lexus
dealer.
Preparing for light bulb replacement
Bulb locations
Front turn signal light
Fog light (if equipped)1
2
Page 434 of 573
4337-3. Do-it-yourself maintenance
7
Maintenance and care
IS350/250_U (OM53758U)
Vehicles with LED headlights
■Rear
Fog light (if equipped)
Front turn signal light1
2
Back-up light
Rear turn signal light1
2
Page 437 of 573
4367-3. Do-it-yourself maintenance
IS350/250_U (OM53758U)
■Front turn signal lights (vehicles 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.
1
2
3
Page 439 of 573
4387-3. Do-it-yourself maintenance
IS350/250_U (OM53758U)
■Front turn signal lights (vehicles with LED headlights) For the left side only: Pinch the
clip to remove the washer fluid
filler opening.
Turn the bulb base counterclock-
wise.
Remove the light bulb.
Install a new light bulb then install
the bulb base to the light unit by
inserting it and turning the bulb
base clockwise.
After installing the light bulb, turn on
the front turn signal light to visually
check that there is no light leaking
from the bulb base.
After replacing the left side bulb, insta ll the washer fluid filler opening to its
original position.
1
2
3
4
5
Page 443 of 573

4427-3. Do-it-yourself maintenance
IS350/250_U (OM53758U)
■Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by your Lexus
dealer.
●Headlights
●Parking lights and daytime running lights
●Side marker lights
●Side turn signal lights
●Outer foot lights
●Stop/tail lights
●Tail lights
●High mounted stoplight
●License plate lights
■Discharge headlights (if equipped)
If voltage to the discharge bulb s is insufficient, the bulbs may not come on, or may go out
temporarily. The discharge bulbs will come on when normal power is restored.
■LED Lights
The lights other than the discharge headlights (if equipped), fog lights (if equipped), front
turn signal lights, rear turn signal lights, back-up light and outer foot lights each consist of
a number of LEDs. If any of the LEDs burn out, take your vehicle to your Lexus dealer to
have the light replaced.
■Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not indicate a
malfunction. Contact your Lexus dealer for mo re information in the following situations:
●Large drops of water have built up on the inside of the lens.
●Wa t e r h a s b u i l t u p i nside the headlight.
■When replacing the front turn signal lights (vehicles with LED headlights)
When the washer fluid filler opening is removed with a large amount of washer fluid con-
tained in the washer tank, washer fluid ma y spill onto the vehicle and cleaning may be
required.
■When replacing light bulbs
P. 4 3 1