Page 272 of 628

2704-5. Using the driving support systems
IS300h_EE(OM53B95E)
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 any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.
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 windshield is dirty, or if raindrops, con-
densation 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 heater 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 any authorized Lexus dealer or repairer, or another
duly qualified and equipped professional.
Do not change the installation position or direction 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 disas-
semble the camera sensor.
Do not replace windshield with non-genuine windshield.
Contact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
Do not attach a sticker or other items to
the windshield near the camera sensor.
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2864-5. Using the driving support systems
IS300h_EE(OM53B95E)
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 any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional.
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
camera
• It is raining or humid
• Foreign matter (mud etc.) is adher-
ing 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
vehicle’s surroundings. (Use the mon-
itor again once conditions have been
improved.)
To adjust the image on the rear view
monitor system screen. (P. 329)
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
stubborn.
The image is out of alignment
The camera or surrounding area has
received a strong impact.
Have the vehicle inspected by any
authorized Lexus dealer or repairer, or
another duly qualified and equipped
professional.
The fixed guide lines are very far out of alignment
• The vehicle is tilted (there is a
heavy load on the vehicle, tire pres-
sure 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.
Page 342 of 628

3295-2. Setup
5
Lexus Display Audio system
IS300h_EE(OM53B95E)
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 “Dis-
play” on each audio menu screen. (P. 336)
Adjust the display as desired by turning the controller clockwise (+) or
counterclockwise (-).
To select “Contrast”, “Brightness”, “Colour” or “Tone”, move the controller
to the left. (when “Display” is selected, “Colour” and “Tone” are available.)
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 contrast/brightness/color/tone
1
2
Page 493 of 628
4797-3. Do-it-yourself maintenance
7
Maintenance and care
IS300h_EE(OM53B95E)
Check the wattage of the light bulb to be replaced. (P. 572)
Front
Vehicles with discharge headlights
Light bulbs
You may replace the following bulbs by yourself. The difficulty level of
replacement varies depending on the bulb. As there is a danger that com-
ponents may be damaged, we recommend that replacement is carried out
by any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
Preparing for light bulb replacement
Bulb locations
Front turn signal light
Halogen front fog light (if equipped)1
2
Page 494 of 628
4807-3. Do-it-yourself maintenance
IS300h_EE(OM53B95E)
Vehicles with LED headlights
Rear
Halogen front fog light (if equipped)
Front turn signal light1
2
Back-up light (right-hand drive vehicles)
Back-up light (left-hand drive vehicles)
Rear turn signal light
Outer foot light1
2
3
4
Page 497 of 628
4837-3. Do-it-yourself maintenance
7
Maintenance and care
IS300h_EE(OM53B95E)
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 counter-
clockwise.
1
2
3
Page 499 of 628
4857-3. Do-it-yourself maintenance
7
Maintenance and care
IS300h_EE(OM53B95E)
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 counter-
clockwise.
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 clock-
wise.
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, install the washer fluid filler open-
ing to its original position.
1
2
3
4
5
Page 507 of 628

4937-3. Do-it-yourself maintenance
7
Maintenance and care
IS300h_EE(OM53B95E)
Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by any
authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
Headlights
Front position lights and daytime running lights
LED front fog lights (if equipped)
Side turn signal lights
Stop/tail lights
Tail lights
Rear fog light
High mounted stoplight
License plate lights
Discharge headlights (if equipped)
If voltage to the discharge bulbs 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), halogen front 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 any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional 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 any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional for more information in the fol-
lowing situations:
Large drops of water have built up on the inside of the lens.
Water has built up inside 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 contained in the washer tank, washer fluid may spill onto the vehicle and
cleaning may be required.
When replacing light bulbs
P. 478