Page 229 of 652
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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Page 241 of 652

241
2-4. Using other driving systems
2
When driving
RX350/270_EE
Adjusting the speed setting:
→P. 2 3 5
Canceling and resuming the speed
setting: →P. 2 3 7
■Dynamic radar cruise control can be set when
●The shift lever is in the D or range 4 or higher of S has been selected.
●Range 4 or higher has been selected by using the paddle shift.
(vehicles with paddle shift switch)
●Vehicle speed is above approximately 50 km/h (30 mph).
■Accelerating after setting the vehicle speed
The vehicle can accelerate normally. After acceleration, the set speed resumes.
However, during vehicle-to-vehicle distance control mode, the vehicle speed may
decrease below the set speed in order to maintain the distance to the vehicle
ahead.
■Automatic cancelation of vehicle-to-vehicle distance control
Vehicle-to-vehicle distance control driving is automatically canceled in the follow-
ing situations.
●Actual vehicle speed falls below approximately 40 km/h (25 mph).
●VSC is activated.
●VSC+ is activated (if equipped).
●The sensor cannot operate correctly because it is covered in some way.
●The windshield wipers are operating at high speed. (when the wiper switch is set
to the AUTO mode or the high speed wiper operation position).
●When the snow mode is set.
If vehicle-to-vehicle distance control driving is automatically canceled for any other
reason, there may be a malfunction in the system. Contact any authorized Lexus
dealer or repairer, or another duly qualified and equipped professional, and have
your Lexus inspected.
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Page 453 of 652

453
4-1. Maintenance and care
4
Maintenance and care
RX350/270_EE
■Aluminum wheels
●Remove any dirt immediately by using a neutral detergent. Do not use hard
brushes or abrasive cleaners. Do not use strong or harsh chemical cleaners.
Use the same mild detergent and wax as used on the paint.
●Do not use detergent on the wheels when they are hot, for example after driving
for long distance in the hot weather.
●Wash detergent from the wheels immediately after use.
■Bumpers
Do not scrub with abrasive cleaners.
CAUTION
■When cleaning the windshield
●When the upper part of the windshield where the raindrop sensor is located is
touched by hand
●When a wet rag or similar is held close to the raindrop sensor
●If something bumps against the windshield
●If you directly touch the raindrop sensor body or if something bumps into the
raindrop sensor
■Precautions regarding the exhaust pipe
Exhaust gasses cause the exhaust pipe to become quite hot.
When washing the vehicle, be careful not to touch the pipe until it has cooled suffi-
ciently, as touching a hot exhaust pipe can cause burns.
Set the wiper switch to off.
If the wiper switch is in , the wipers
may operate unexpectedly in the following
situations, and may result in hands being
caught or other serious injuries and cause
damage to the wiper blades.
Off
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Page 454 of 652

454
4-1. Maintenance and care
RX350/270_EE
NOTICE
■To prevent paint deterioration and corrosion on the body and components (alu-
minum wheels etc.)
●Wash the vehicle immediately in the following cases:
• After driving near the sea coast
• After driving on salted roads
• If you see coal tar or tree sap on the paint surface
• If dead insects, insect droppings or bird droppings are present on the paint
surface
• After driving in an area contaminated with soot, oily smoke, mine dust, iron
powder or chemical substances
• If the vehicle becomes heavily soiled by dust or mud
• If liquids such as benzene and gasoline are spilled on the paint surface
●If the paint is chipped or scratched, have it repaired immediately.
●To prevent the wheels from corroding, remove any dirt and store in a place with
low humidity when storing the wheels.
■Cleaning the exterior lights
●Wash carefully. Do not use organic substances or scrub with a hard brush.
This may damage the surfaces of the lights.
●Do not apply wax on the surfaces of the lights.
Wax may cause damage to the lenses.
■To prevent damage to the windshield wiper arms
When lifting the wiper arms away from the windshield, pull the driver side wiper
arm upward first, and repeat for the passenger side. When returning the wipers to
their original position, do so from the passenger side first.
■When using an automatic car wash
Set the wiper switch to the off position.
If the wiper switch is in , the wipers may operate and the wiper blades may
be damaged.
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Page 510 of 652

510
4-3. Do-it-yourself maintenance
RX350/270_EE
35A/F*110 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
WIP-S*27. 5 ACruise control
36ECU-IG1 NO. 410 A
Adaptive front-lighting system, air
conditioning system, rear window
defogger, vehicle stability control sys-
tem, electric cooling fans
37BK/UP LP7. 5 ABack-up lights
38ECU-IG1 NO. 515 AAir conditioning system
39ECU-IG1 NO. 610 A
Adaptive front-lighting system, head
light cleaner, cruise control, electroni-
cally modulated air suspension, vehi-
cle stability control, air conditioning
system
40EFI NO. 210 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
41F/ P M P*215 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
42DEICER25 AWindshield wipers and washer
43STOP7. 5 A
Vehicle stability control, vehicle
dynamics integrated management,
stop lights, electronic controlled
transmission, multiport fuel injection
system/sequential multiport fuel injec-
tion system, shift lock control system,
starter system
44TOW IN G BAT T20 ATr a i l e r b a t t e r y
FuseAmpereCircuit
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Page 512 of 652
512
4-3. Do-it-yourself maintenance
RX350/270_EE■Driver’s side instrument panel
FuseAmpereCircuit
1P/ P O I N T15 APow e r o u t l e t
2ECU-ACC10 A
Navigation system, air conditioning
system, audio system, multiplex com-
munication system, multi-information
display, head-up display
3CIG15 APow e r o u t l e t
4RADIO NO. 27. 5 AAudio system, navigation system
5GAUGE NO. 110 A
Emergency flashers, navigation sys-
tem, head-up display, air conditioning
system, charging system
6ECU-IG1 NO. 310 A
Outside rear view mirror, windshield
wipers and washer, seat heaters,
moon roof, air conditioning system
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Page 514 of 652

514
4-3. Do-it-yourself maintenance
RX350/270_EE
21PA N E L10 A
Switch illumination, navigation system,
electronically modulated air suspen-
sion, automatic transmission system,
audio system, multi-information dis-
play, air conditioning system, multiplex
communication system
22TA I L10 A
Front position lights, tail lights, license
plate lights, front fog lights, towing
converter, rear fog lights
23AIR SUS20 AElectronically modulated air suspen-
sion
24P- S E AT R H30 APower seat right side
25OBD7. 5 AOn-Board diagnosis
26FR DOOR25 AFront power window (right-side), out-
side rear view mirror
27RR DOOR25 ARear power window (right-side)
28FL DOOR25 AFront power window (left-side), out-
side rear view mirror
29RL DOOR25 ARear power window (left-side)
30FR WASH25 AWindshield wipers and washer
31RR WIP15 AWindshield wipers and washer
32RR WASH20 AWindshield wipers and washer
33FR WIP30 AWindshield wipers and washer
34ECU IG210 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem, SRS airbag system, stop lights,
electronic controlled transmission,
steering lock system
FuseAmpereCircuit
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Page 560 of 652
560
5-2. Steps to take in an emergency
RX350/270_EE
(If equipped)
Indicates that the radar
cruise control sensor is
dirty or covered with ice
A buzzer also sounds.
Clean the sensor.
(If equipped)
Indicates that the radar
cruise control system is
unable to judge vehicle-
to-vehicle distance
A buzzer also sounds.
• Switch driving mode to
normal.
• If the windshield wipers
are on, turn them off or
set them to a mode other
than “AUTO” or high
speed wiper operation.
(Flashes)
(If equipped)
Indicates that there is a
high possibility of a fron-
tal collision, or that the
pre-crash braking func-
tion is operating
A buzzer also sounds.
At the same time,
will appear on
the head-up display (the
image flashes).
Slow the vehicle by apply-
ing the brakes.
Wa r n i n g m e s s a g eDetailsCorrection procedure
RX350_270_EE_48D77E.book 560 ページ 2014年1月24日 金曜日 午前10時4分