2019 LEXUS RX350 washer fluid

17Pictorial index
RX350/RX350L_U Multi-information display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 90 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 90
When the warning messages are displayed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 661
Parking brake switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 247 Applying/releasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 247, 248
Precautions for winter season. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 385
Warning buzzer/message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 249, 661
Turn signal lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 2 46Headlight switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 252
Headlights/side marker lights/parking lights/tail lights/
license plate lights/daytime running lig hts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 252
Fog lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 260
Windshield wiper and washer switch . . . . . . . . . . . . . . . . . . . . . . . . . P. 261, 267 Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P . 261, 267
Adding washer fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 60 3
Emergency flasher switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 644
Hood lock release lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 592
Tilt and telescopic steering contro l switch . . . . . . . . . . . . . . . . . . . . . . . . . . P. 180Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 180
Driving position memory
* 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 172
Air conditioning system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 503 Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 503
Rear window defogger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 513
Audio system
* 2
Audio system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 394
Hands-free system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 4 55
* 1
: If equipped
* 2
: For vehicles with a navigation system , refer to “NAVIGATION SYSTEM OWNER’S
MANUAL”.4
5
6
7
8
9
10
11
12

2634-3. Operating the lights and wipers
4
Driving
RX350/RX350L_U Washer/wiper dual opera-
tionPulling the lever op erates the wipers
and washer.
The wipers will automatically operate a
couple of times afte r the washer squirts.
Vehicles with headlight cleaners:
When the engine switch is in IGNI-
TION ON mode and the headlights are
on, if the lever is pulled, the headlight
cleaners will operate once. After this,
the headlight cleaners will operate
every 5th time the lever is pulled. ■
The windshield wipers and washer can be operated when
The engine switch is in IGNITION ON mode. ■
Dripping prevention wiper sweep (vehicle s with rain-sensing windshield wipers)
After washing and wiping operation several times, the wipers operate one more time
after a short delay to prevent dripping. However, this function will not operate while driv-
ing. ■
Effects of vehicle speed on wiper operation
Vehicle speed affects the Intermittent wiper interval. ■
Raindrop sensor (vehicles with rain-sensing windshield wipers)
●
If the wiper switch is turned to the “AUTO” position while the engine switch is in IGNI-
TION ON mode, the wipers will operate once to show that AUTO mode is activated.●
When the sensor sensitivity ring is turned toward high while in “AUTO” position, the
wipers will operate once to indicate that the sensor sensitivity is enhanced. ●
If the temperature of the raindrop sensor is 194  F (90  C) or higher, or 5  F (-15  C) or
lower, automatic operation may not occur. In this case, operate the wipers in any mode
other than AUTO mode. ■
If no windshield washer fluid sprays
Check that the washer nozzles are not blocked, if there is washer fluid in the washer fluid
tank. 8
●
The raindrop sensor judges the amount of
raindrops.
An optical sensor is ad opted. It may not oper-
ate properly when sunlight from the rising or
setting of the sun inte rmittently strikes the
windshield, or if bugs, etc. are present on the
windshield.

264 4-3. Operating the lights and wipers
RX350/RX350L_U ■
Front door opening linked windshield wiper stop function (vehicles with rain-sensing
windshield wipers)
When “AUTO” is selected and the windshield wipers are operating, if a front door is
opened, the operation of the windshield wipers will be stopped to prevent anyone near
the vehicle from being sprayed by water from the wipers, provided the vehicle is stopped
with the parking brake applied or the shift lever in P. When the front door is closed, wiper
operation will resume. ■
Customization
Some functions can be customized. (  P. 722)
WARNING ■
Caution regarding the use of windshield wi pers in AUTO mode (vehicles with rain-
sensing windshield wipers)
The windshield wipers may operate unexpectedly if the sensor is touched or the wind-
shield is subject to vibration in AUTO mode. Take care that your fingers, etc. do not
become caught in the windshield wipers. ■
Caution regarding the use of washer fluid
When it is cold, do not use the washer fl uid until the windshield becomes warm. The
fluid may freeze on the windshield and cause lo w visibility. This may lead to an accident,
resulting in death or serious injury.
NOTICE ■
When the windshield is dry
Do not use the wipers, as they may damage the windshield. ■
When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may overheat. ■
When a nozzle becomes blocked
In this case, contact your Lexus dealer.
Do not try to clear it with a pin or other object. The nozz le will be damaged.

268 4-3. Operating the lights and wipers
RX350/RX350L_U ■
The rear window wiper and washer can be operated when
The engine switch is in IGNITION ON mode. ■
If no washer fluid sprays
Check that the washer nozzle is not blocked if there is washer fluid in the washer fluid
tank.
NOTICE ■
When the rear window is dry
Do not use the wiper, as it may damage the rear window. ■
When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may overheat. ■
When a nozzle becomes blocked
In this case, contact your Lexus dealer.
Do not try to clear it with a pin or other object. The nozz le will be damaged.

384
RX350/RX350L_U 4-6. Driving tips
●
Use fluids that are appropriate to the prevailing outside temperatures.
•Engine oil
• Engine coolant
• Washer fluid ●
Have a service technician inspect the condition of the battery. ●
Have the vehicle fitted with four snow tires or purchase a set of tire chains for
the front tires. Ensure that all tires are of the specified size and the same brand, and that chains
match the size of the tires.
Perform the following according to the driving conditions: ●
Do not try to forcibly open a window or move a wiper that is frozen. Pour
warm water over the frozen area to me lt the ice. Wipe away the water imme-
diately to prevent it from freezing. ●
To ensure proper operation of the c limate control system fan, remove any
snow that has accumulated on the air inlet vents in front of the windshield. ●
Check for and remove any excess ice or snow that may have accumulated on
the exterior lights, vehicle’s roof, chassi s, around the tires or on the brakes.●
Remove any snow or mud from the bottom of your shoes before getting in the
vehicle.Winter driving tips Carry out the necessary preparations an d inspections before driving the vehi-
cle in winter. Always drive the vehicle in a manner appropriate to the prevail-
ing weather conditions.
Pre-winter preparations
Before driving the vehicle

586 7-2. Maintenance
RX350/RX350L_UGeneral maintenance Listed below are the general maintenanc e items that should be performed at
the intervals specified in the “Warranty and Service Guide” or “Owner’s
Manual Supplement”. It is recommende d that any problem you notice should
be brought to the attention of your Lexu s dealer or qualified service shop for
advice.
Engine compartment Items Check points
Battery Check the connections. (  P. 601)
Brake fluid Is the brake fluid at the correct level? (  P. 600)
Engine coolant Is the engine coolant at the correct level? (  P. 598)
Engine oil Is the engine oil at the correct level? (  P. 595)
Exhaust system There should not be any fumes or strange sounds.
Radiator/condenser The radiator and condenser should be free from for-
eign objects. (  P. 599)
Washer fluid Is there sufficient washer fluid? (  P. 603)

5917-3. Do-it-yourself maintenance
7
Maintenance and care
RX350/RX350L_U * : Vehicles with single-beam headlightsTire inflation pres-
sure (  P. 613) • Tire pressure gauge • Compressed air source
Washer fluid
(  P. 603) • Water or washer fluid containing antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid)
WARNING
The engine compartment contains many mechan isms and fluids that may move suddenly,
become hot, or become electrically energize d. To avoid death or serious injury, observe
the following precautions. ■
When working on the engine compartment ●
Keep hands, clothing and tools away from the moving fan and engine drive belt.●
Be careful not to touch the engine, radiator, exhaust manifold, etc. right after driving
as they may be hot. Oil and other fluids may also be hot. ●
Do not leave anything that may burn easily, such as paper and rags, in the engine
compartment. ●
Do not smoke, cause sparks or expose an open flame to fuel or the battery. Fuel and
battery fumes are flammable. ●
Be extremely cautions when working on the battery. It contains poisonous and corro-
sive sulfuric acid. ■
When working near the electric cooling fans or radiator grille
Be sure the engine switch is off.
With the engine switch in IGNITION ON mode, the electric cooling fans may auto-
matically start to run if the air conditioning is on and/or the coolant temperature is high.
(  P. 599) ■
Safety glasses
Wear safety glasses to prevent flying or falling material, flui d spray, etc. from getting in
your eyes.
NOTICE ■
If you remove the air cleaner filter
Driving with the air cleaner f ilter removed may cause excessive engine wear due to dirt
in the air. Items Parts and tools

594 7-3. Do-it-yourself maintenance
RX350/RX350L_UEngine compartment
Washer fluid tank (  P. 603)
Engine oil filler cap (  P. 596)
Engine oil level dipstick
(  P. 595)
Engine coolant reservoir
(  P. 598) Battery (  P. 601)
Brake fluid reservoir (  P. 600)
Fuse box (  P. 625)
Radiator (  P. 599)
Condenser (  P. 599)
Electric cooling fans1
2
3
4 5
6
7
8
9
10