headlights LEXUS RX350 2011 User Guide

188
2-3. Operating the lights and windshield wipers
nAutomatic light off system
lWhen the headlights come on: The headlights and tail lights turn off 30 seconds
after a door is opened and closed if the “ENGINE START STOP” switch is
turned to ACCESSORY mode or turned off. (The lights turn off immediately
if on the key is pressed after all the doors are locked.)
lWhen only the tail lights come on: The tail lights turn off automatically if the
“ENGINE START STOP” switch is turned to ACCESSORY mode or turned off
and the driver’s door is opened.
To turn the lights on again, turn the “ENGINE START STOP” switch to IGNITION
ON mode, or turn the light switch off once and then back to or .
nAutomatic headlight leveling system (if equipped)
The level of the headlights is automatically adjusted according to the number of
passengers and the loading condition of the vehicle to ensure that the headlights do
not interfere with other road users.
nIf the “AFS OFF” indicator flashes
It may indicate a malfunction in the system. Contact your Lexus dealer.
nCustomization
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features →P. 6 2 1 )
NOTICE
nTo prevent the battery discharge
Do not leave the lights on longer than necessary when the engine is not running.

189
2-3. Operating the lights and windshield wipers
2

When driving
Automatic High Beam∗
∗: If equipped
The Automatic High Beam uses an in-vehicle camera sensor to assess the
brightness of streetlights, the lights of oncoming and preceding vehicles,
etc., and automatically turns high beam on or off as necessary.
nActivating the Automatic High Beam system
Head light switch in “AUTO”
position.
Push the lever away from you.
The Automatic High Beam indi-
cator will come on when the
headlights are turned on auto-
matically to indicate that the sys-
tem is active.
STEP1
STEP2

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2-3. Operating the lights and windshield wipers
NOTICE
nNotes when using the Automatic High Beam system
lDo not touch the camera sensor.
lDo not subject the inside rear view mirror or the camera sensor to a strong
impact.
lDo not disassemble the camera sensor.
lDo not spill liquid onto the inside rear view mirror or the camera sensor.
lDo not apply window tinting or stickers to the camera sensor or the area of wind-
shield near the camera sensor.
lDo not place items on the dashboard. There is a possibility that the camera sensor
will mistake items reflected in the windshield for streetlights, the headlights of
other vehicles, etc.
lDo not install a parking tag or any other accessories near or around the inside
rear view mirror and the camera sensor.
lDo not overload the vehicle.
lDo not modify the vehicle.
lDo not replace windshield with non-genuine windshield.
Contact your Lexus dealer.
Observe the following to ensure that the
Automatic High Beam functions correctly.

198
2-3. Operating the lights and windshield wipers
Washer/wiper dual operation
The wipers will automatically
operate a couple of times after
the washer squirts.
If the headlights are on, the
headlight cleaners will operate
once.
Rain-sensing windshield wipers
When is selected, the wipers will operate automatically when
the sensor detects falling rain. The system automatically adjusts wiper
timing in according to rain volume and vehicle speed.
When is selected, the sensor sensitivity can be adjusted as fol-
lows by turning the switch ring:
Off
Rain-sensing wiper
operation
Low speed wiper
operation
High speed wiper
operation
Temporary operation

199
2-3. Operating the lights and windshield wipers
2

When driving
nThe windshield wipers and washer can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode.
nEffects of vehicle speed on wiper operation
Vehicle speed affects the following even when the wipers are not in “AUTO” mode:
lIntermittent wiper interval
lWiper operation when the washer is being used (delay until drip prevention
wiper sweep occurs)
When low speed wiper operation is selected, wiper operation will be switched from
low speed to intermittent wiper operation only when the vehicle is stationary.
(However, when the sensor sensitivity is adjusted to the highest, the mode cannot
be switched.)
Sensor sensitivity (high)
Sensor sensitivity (low)
Washer/wiper dual operation
The wipers will automatically
operate a couple of times after
the washer squirts.
(After operating several times,
the wipers operate one more
time after a short delay to pre-
vent dripping.)
If the headlights are on, the
headlight cleaners will operate
once.

203
2-3. Operating the lights and windshield wipers
2

When driving
Headlight cleaner switch∗
nThe headlight cleaner can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode and the headlight
switch is turned on.
nWindshield washer linked operation
When the windshield washer is operated with the “ENGINE START STOP” switch
in IGNITION ON mode and the headlights on, the headlight cleaner will operate
once. (→P. 1 9 7 )
NOTICE
nWhen the washer fluid tank is empty
Do not press the switch continually as the washer fluid pump may overheat.
Washer fluid can be sprayed on the headlights.
Press the switch to clean the
headlights.
∗: If equipped

229
2-4. Using other driving systems
2

When driving
nRear view monitor system camera
nSmear effect
In the following cases, it may become diffi-
cult to see the images on the screen, even
when the system is functioning correctly:
lThe vehicle is in a dark area, such as at
night.
lThe temperature near the lens is
extremely high or low.
lWater droplets are on the camera lens
or humidity is high, such as when it
rains.
lForeign matter, such as snow or mud,
adheres to the camera lens.
lThe sun or headlights are shining
directly into the camera lens.
If a bright light, such as sunlight reflected
off the vehicle body, is picked up by the
camera, a smear effect* characteristic to
the camera may occur.
*: Smear effect ⎯ A phenomenon that
occurs when a bright light is picked up by
the camera; when transmitted by the
camera, the light source appears to have
a vertical streak above and below it.

509
4-3. Do-it-yourself maintenance
4

Maintenance and care
Headlight aim (discharge headlights)
nVertical movement adjustment bolts
Adjustment bolt A
Adjustment bolt B
nBefore checking the headlight aim
Remove the engine compartment cover. (→P. 464)
Make sure the vehicle has a full tank of gas and the area around
the headlight is not deformed.
Park the vehicle on level ground.
Sit in the driver’s seat.
Bounce the vehicle several times.
nAdjusting the headlight aim
Turn bolt A in either direction
using a Phillips-head screw-
driver.
Remember the turning direction
and the number of turns.
STEP1
STEP2
STEP3
STEP4
STEP5
STEP1

511
4-3. Do-it-yourself maintenance
4

Maintenance and care
Light bulbs
You may replace the following bulbs by yourself. The difficulty level of
replacement varies depending on the bulb. If necessary bulb replacement
seems difficult to perform, contact your Lexus dealer.
For more information about replacing other light bulbs, contact your Lexus
dealer.
nPreparing for light bulb replacement
Check the wattage of the light bulb to be replaced. (→P. 605)
nRemoving the engine compartment covers
→P. 4 6 4
nTurning off the power back door main switch (if equipped)
→P. 5 2
nFront bulb locations
Discharge headlights
Front side
marker light
Daytime running light
Front turn
signal light
Parking light

512
4-3. Do-it-yourself maintenance
Halogen headlights
nRear bulb locations
Headlight high beam
and daytime running light
Headlight low beam
Front side
marker light
Front turn
signal light
Parking light
Rear turn signal light
Back-up light
Rear side marker
light
Tail light
Tail light