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222
2-3. Operating the lights and windshield wipers
RX350/270_EE
Fog light switch
■Fog lights can be used when
Front fog lights: The headlights or front position lights are turned on.
Rear fog lights: The front fog lights are turned on.
The fog lights improve visibility in difficult driving conditions, such as in rain
and fog.
Turns the front and
rear fog lights off
Turns the front fog
lights on
Turns both front and
rear fog lights on
Releasing the switch ring
returns it to .
Operating the switch ring again
turns only the rear fog lights off.
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224
2-3. Operating the lights and windshield wipers
RX350/270_EE
■The windshield wipers and washer can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode.
■Effects of vehicle speed on wiper operation
Vehicle speed affects the following even when the wipers are not in AUTO mode:
●Intermittent wiper interval
●Wiper 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 level, the mode can-
not be switched.)
Washer/wiper dual operation
The wipers will automatically
operate a couple of times after
the washer squirts. (After oper-
ating several times, the wipers
operate one more time after a
short delay to prevent dripping.)
If the headlights are on, the
headlight cleaners will operate
once.
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229
2-3. Operating the lights and windshield wipers
2
When driving
RX350/270_EE
Headlight cleaner switch∗
■The headlight cleaner can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode and the headlight
switch is turned on.
■Windshield 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. 223)
NOTICE
■When 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
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268
2-4. Using other driving systems
RX350/270_EE
■Rear view monitor system camera
■Smear effectThe rear view monitor system camera is
located on the back door as shown in the
illustration.
In the following cases, it may become difficult
to see the images on the screen, even when
the system is functioning correctly.
●The vehicle is in a dark area, such as at
night.
●The temperature near the lens is
extremely high or low.
●Water droplets are on the camera lens
or humidity is high, such as when it
rains.
●Foreign matter, such as snow or mud,
adheres to the camera lens.
●The sun or headlights are shining
directly into the camera lens.
●A bright object such as a white wall is
reflected in the mirror surface over the
monitor.
●The camera has scratches or dirt on it.
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.
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516
4-3. Do-it-yourself maintenance
RX350/270_EE
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 any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.
For more information about replacing other light bulbs, contact any autho-
rized Lexus dealer or repairer, or another duly qualified and equipped pro-
fessional.
■Preparing for light bulb replacement
Check the wattage of the light bulb to be replaced. (→P. 6 1 9 )
■Removing the engine compartment covers
→P. 4 7 0
■Turning off the power back door main switch (if equipped).
→P. 6 2
■Front bulb locations
Vehicles with halogen headlights
Headlight high beam Headlight low beam
Front turn signal light
Front fog light
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4-3. Do-it-yourself maintenance
4
Maintenance and care
RX350/270_EE
Vehicles with discharge headlights
■Rear bulb locations
Front turn signal lightFront fog lightHeadlight high beam
Rear turn signal light Back-up light
Rear fog lightTail light
Tail light
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528
4-3. Do-it-yourself maintenance
RX350/270_EE■Lights other than the above
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.
●Discharge headlight low beams (if equipped)
●Daytime running lights
●Front position lights
●Side turn signal lights
●Stop lights
●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 bulbs
The daytime running lights, front position lights, side turn signal lights, stop lights,
high mounted stoplight and license plate lights 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 indi-
cate a malfunction. Contact any authorized Lexus dealer or repairer, or another
duly qualified and equipped professional, for more information in the following situ-
ations:
●Large drops of water are built up on the inside of the lens.
●Water has built up inside the headlight
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529
4-3. Do-it-yourself maintenance
4
Maintenance and care
RX350/270_EE
CAUTION
■Replacing light bulbs
●Turn off the lights. Do not attempt to replace the bulb immediately after turning
off the lights.
The bulbs become very hot and may cause burns.
●Do not touch the glass portion of the light bulb with bare hands. When it is
unavoidable to hold the glass portion, use and hold with a clean dry cloth to avoid
getting moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.
●Fully install light bulbs and any parts used to secure them. Failure to do so may
result in heat damage, fire, or water entering the headlight unit. This may damage
the headlights or cause condensation to build up on the lens.
●Vehicles with discharge headlights:
While the low beam headlights are turned
on, and for a short time after they have
been turned off, metal components at the
rear of the headlight assembly will be
extremely hot. To prevent burns, do not
touch these metal components until you
are certain they have cooled down.Metal components
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