Lexus RX450h (2022 year). Manual in english — page 12
203
4-3. Operating the lights and wipers
4
Driving
■
Switching to the high beams
Push the lever away from you.
The Automatic High Beam indicator will
turn off and the high beam indicator will
turn on.
Pull the lever to its original position to acti-
vate the Automatic High Beam system
again.
■
Switching to the low beams
Press the Automatic High Beam
switch.
The Automatic High Beam indicator will
turn off.
Press the switch to activate the Automatic
High Beam system again.
■
Temporarily switching to the low
beams
Pull the lever toward you and then
return it to its original position.
The high beams are on while the lever is
pulled toward you, however, after the lever
is returned to its original position, the low
beams remain on for a certain amount of
time. Afterwards, the Automatic High
Beam will be activated again.
■
Temporarily switching to the low beams
It is recommended to switch to the low
beams when the high beam may cause
problems or distress to other drivers or
pedestrians nearby.
Turning the high beams on/off
manually
204
4-3. Operating the lights and wipers
*
: If equipped
1
(U.S.A.) or
(Canada)
Turns the fog lights off
2
Turns the fog lights on
■
Fog lights can be used when
The headlights are on in low beam.
Operate the
lever operates the
wipers or washer as follows.
When “AUTO” is selected, the wipers
will operate automatically when the
sensor detects falling rain. The system
automatically adjusts wiper timing in
accordance with rain volume and vehi-
cle speed.
The sensor sensitivity can be adjusted
when “AUTO” is selected.
Fog light switch
*
The fog lights secure excellent visi-
bility in difficult driving conditions,
such as in rain and fog.
Operating instructions
Windshield wipers and
washer
Operating the lever can switch
between automatic operation and
manual operation, or can use the
washer.
NOTICE
■
When the windshield is dry
Do not use the wipers, as they may dam-
age the windshield.
Operating the wiper lever
205
4-3. Operating the lights and wipers
4
Driving
1
(U.S.A.) or
(Canada)
Off
2
Rain-sensing wiper operation
3
(U.S.A.) or
(Canada)
Low speed operation
4
(U.S.A.) or
(Canada)
High speed operation
5
(U.S.A.) or
(Canada)
Temporary operation
6
Increases the sensitivity
7
Decreases the sensitivity
8
Washer/wiper dual opera-
tion
Pulling the lever operates the wipers and
washer.
The wipers will automatically operate a
couple of times after the washer squirts.
Vehicles with headlight cleaners:
When the power switch is in 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 power switch is in ON mode.
■
Dripping prevention wiper sweep
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
driving.
■
Effects of vehicle speed on wiper opera-
tion
Vehicle speed affects the intermittent wiper
interval.
■
Raindrop sensor
●
The raindrop sensor judges the amount
of raindrops.
An optical sensor is adopted. It may not
operate properly when sunlight from the
rising or setting of the sun intermittently
strikes the windshield, or if bugs, etc. are
present on the windshield
206
4-3. Operating the lights and wipers
●
If the wiper switch is turned to the
“AUTO” position while the power switch
is in ON mode, the wipers will operate
once to show that AUTO mode is acti-
vated.
●
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.
■
Front door opening linked windshield
wiper stop function
When “AUTO” is selected and the wind-
shield 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.
(
When the windshield wipers are not
being used, they retract to below the
hood. To enable the windshield wipers
to be lifted when parking in cold condi-
tions or when replacing a windshield
wiper insert, change the rest position of
the windshield wipers to the service
position using the wiper lever.
WARNING
■
Caution regarding the use of wind-
shield wipers in AUTO mode
The windshield wipers may operate
unexpectedly if the sensor is touched or
the windshield is subject to vibration in
AUTO mode. Take care that your fingers,
etc. do not become caught in the wind-
shield wipers.
■
Caution regarding the use of washer
fluid
When it is cold, do not use the washer
fluid until the windshield becomes warm.
The fluid may freeze on the windshield
and cause low visibility. This may lead to
an accident, resulting in death or serious
injury.
NOTICE
■
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 nozzle will be damaged.
Changing the windshield wiper
rest position/Lifting the wind-
shield wipers
207
4-3. Operating the lights and wipers
4
Driving
■
Raising the wipers to the service
position
Within approximately 40 seconds of
turning the power switch off, move the
wiper lever to the
(U.S.A.) or
(Canada) position and hold it for
approximately 2 seconds or more.
The wipers will move to the service posi-
tion.
■
Lifting the windshield wipers
While holding the hook portion of the
wiper arm, lift the windshield wiper
from the windshield.
Hook portion
■
Lowering the windshield wipers to the
retracted position
With the windshield wipers placed on the
windshield, turn the power switch to ON
mode and then move the wiper lever to an
operating position. When the wiper switch
is turned off, the windshield wipers will stop
at the retracted position.
NOTICE
■
When lifting the windshield wipers
●
Do not lift the windshield wipers when
they are in the retracted position
below the hood. Otherwise, they may
contact the hood, possibly resulting in
damage to a windshield wiper and/or
the hood.
●
Do not lift a windshield wiper by the
wiper blade. Otherwise, the wiper
blade may be deformed.
●
Do not operate the wiper lever when
the windshield wipers are lifted. Oth-
erwise, the windshield wipers may
contact the hood, possibly resulting in
damage to the windshield wipers
and/or hood.
A
208
4-3. Operating the lights and wipers
Operating the
switch operates
the rear wiper as follows.
1
(U.S.A.) or
(Canada)
Off
2
(U.S.A.) or
(Canada) Inter-
mittent operation
3
(U.S.A.) or
(Canada) Nor-
mal operation
4
Washer/wiper dual opera-
tion
Pushing the lever operates the wiper and
washer.
The wiper will automatically operate a cou-
ple of times after the washer squirts.
■
The rear window wiper and washer can
be operated when
The power switch is in 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.
Rear window wiper and
washer
NOTICE
■
When the rear window is dry
Do not use the wiper, as it may damage
the rear window.
Operating the wiper lever
NOTICE
■
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 nozzle will be damaged.
209
4-4. Refueling
4
Driving
4-4.Refueling
Close all the doors and windows,
and turn the power switch off.
Confirm the type of fuel.
■
Fuel types
■
Fuel tank opening for unleaded gasoline
To help prevent incorrect fueling, your vehi-
cle has a fuel tank opening that only accom-
modates the special nozzle on unleaded
fuel pumps.
Opening the fuel tank cap
The fuel tank of your vehicle has a
special structure, which requires a
reduction in fuel tank pressure
before refueling. After the opener
switch has been pressed, it will take
several seconds until the vehicle is
ready for refueling.
Before refueling the vehicle
WARNING
■
When refueling the vehicle
Observe the following precautions while
refueling the vehicle. Failure to do so may
result in death or serious injury.
●
After exiting the vehicle and before
opening the fuel door, touch an
unpainted metal surface to discharge
any static electricity. It is important to
discharge static electricity before refu-
eling because sparks resulting from
static electricity can cause fuel vapors
to ignite while refueling.
●
Always hold the grips on the fuel tank
cap and turn it slowly to remove it.
A whooshing sound may be heard
when the fuel tank cap is loosened.
Wait until the sound cannot be heard
before fully removing the cap. In hot
weather, pressurized fuel may spray
out of the filler neck and cause injury.
●
Do not allow anyone that has not dis-
charged static electricity from their
body to come close to an open fuel
tank.
●
Do not inhale vaporized fuel.
Fuel contains substances that are
harmful if inhaled.
●
Do not smoke while refueling the vehi-
cle.
Doing so may cause the fuel to ignite
and cause a fire.
●
Do not return to the vehicle or touch
any person or object that is statically
charged.
This may cause static electricity to
build up, resulting in a possible ignition
hazard.
■
When refueling
Observe the following precautions to
prevent fuel overflowing from the fuel
tank:
●
Securely insert the fuel nozzle into the
fuel filler neck.
●
Stop filling the tank after the fuel noz-
zle automatically clicks off.
●
Do not top off the fuel tank.
NOTICE
■
Refueling
●
Finish refueling within 30 minutes. If
more than 30 minutes passes, the
internal valve closes. In this condition,
fuel may overflow during the refueling
process.
Press the fuel filler door opener switch
again.
210
4-4. Refueling
1
Press the switch to open the fuel
filler door.
The fuel filler door will open within about
10 seconds of the switch being pressed.
Before refueling is possible, a message will
be shown on the multi-information display
in the instrument cluster to indicate the
progress of the fuel filler door opener.
2
Open the fuel filler door until it is
securely locked.
3
Turn the fuel tank cap slowly and
remove it, then put it into the holder
on the fuel filler door.
■
If the fuel filler door cannot be opened
1
After refueling, turn the fuel tank
cap until you hear a click. Once the
cap is released, it will turn slightly in
the opposite direction.
2
Close the fuel filler door.
NOTICE
●
Do not spill fuel during refueling.
Doing so may damage the vehicle,
such as causing the emission control
system to operate abnormally or dam-
aging fuel system components or the
vehicle’s painted surface.
Opening the fuel tank cap
NOTICE
■
When refueling
When refueling your vehicle, make sure
that the fuel filler door lock is not pushed
by the fuel nozzle boot, etc., as this may
cause a valve to close, possibly resulting
in a fuel spill.
If the fuel filler door lock has been
pushed, operate the fuel filler door
opener switch in the vehicle before con-
tinuing to refuel.
Closing the fuel tank cap
211
4-4. Refueling
4
Driving
WARNING
■
When replacing the fuel tank cap
Do not use anything but a genuine Lexus
fuel tank cap designed for your vehicle.
Doing so may cause a fire or other inci-
dent which may result in death or serious
injury.
212
4-5. Using the driving support systems
4-5.Using the driving support systems
■
PCS (Pre-Collision System)
■
LTA (Lane Tracing Assist)
■
AHB (Automatic High Beam)
■
RSA (Road Sign Assist)
*
*
: If equipped
■
Dynamic radar cruise control with
full-speed range
Two types of sensors, located behind
the front grille and windshield, detect
information necessary to operate the
drive assist systems.
Radar sensor
Front camera
Lexus Safety System + 2.0
The Lexus Safety System + 2.0 con-
sists of the following drive assist sys-
tems and contributes to a safe and
comfortable driving experience:
Driving assist system
WARNING
■
Lexus Safety System + 2.0
The Lexus Safety System + 2.0 is
designed to operate under the assump-
tion that the driver will drive safely, and is
designed to help reduce the impact to
the occupants and the vehicle in the case
of a collision or assist the driver in normal
driving conditions.
As there is a limit to the degree of recog-
nition accuracy and control performance
that this system can provide, do not
overly rely on this system. The driver is
always responsible for paying attention
to the vehicle’s surroundings and driving
safely.
Sensors
WARNING
■
To avoid malfunction of the radar sen-
sor
Observe the following precautions.
Otherwise, the radar sensor may not
operate properly, possibly leading to an
accident resulting in death or serious
injury.
A
B
213
4-5. Using the driving support systems
4
Driving
WARNING
●
Keep the radar sensor and the radar
sensor cover clean at all times.
Radar sensor
Radar sensor cover
If the front of the radar sensor or the front
or back of the radar sensor cover is dirty
or covered with water droplets, snow,
etc., clean it.
Clean the radar sensor and radar sensor
cover with a soft cloth to avoid damaging
them.
●
Do not attach accessories, stickers
(including transparent stickers) or
other items to the radar sensor, radar
sensor cover or surrounding area.
●
Do not subject the radar sensor or its
surrounding area to a strong impact.
If the radar sensor, front grille, or front
bumper has been subjected to a
strong impact, have the vehicle
inspected by your Lexus dealer.
●
Do not disassemble the radar sensor.
●
Do not modify or paint the radar sen-
sor or radar sensor cover.
●
In the following cases, the radar sensor
must be recalibrated. Contac your
Lexus dealer.
• When the radar sensor or front grille
are removed and installed, or replaced
• When the front bumper is replaced
A
B
■
To avoid malfunction of the front cam-
era
Observe the following precautions.
Otherwise, the front camera may not
operate properly, possibly leading to an
accident resulting in death or serious
injury.
●
Keep the windshield clean at all times.
• If the windshield is dirty or covered
with an oily film, water droplets, snow,
etc., clean the windshield.
• If a glass coating agent is applied to the
windshield, it will still be necessary to
use the windshield wipers to remove
water droplets, etc. from the area of
the windshield in front of the front
camera.
• If the inner side of the windshield
where the front camera is installed is
dirty, contact your Lexus dealer.
●
Do not attach objects, such as stickers,
transparent stickers, etc., to the outer
side of the windshield in front of the
front camera (shaded area in the illus-
tration).
From the top of the windshield to
approximately 0.4 in. (1 cm) below
the bottom of the front camera
Approximately 7.9 in. (20 cm)
(Approximately 4.0 in. [10 cm] to the
right and left from the center of the
front camera)
A
B
214
4-5. Using the driving support systems
WARNING
●
If the part of the windshield in front of
the front camera is fogged up or cov-
ered with condensation, or ice, use the
windshield defogger to remove the
fog, condensation, or ice. (
●
If water droplets cannot be properly
removed from the area of the wind-
shield in front of the front camera by
the windshield wipers, replace the
wiper insert or wiper blade.
●
Do not attach window tint to the wind-
shield.
●
Replace the windshield if it is damaged
or cracked.
After replacing the windshield, the
front camera must be recalibrated.
Contact your Lexus dealer for details.
●
Do not allow liquids to contact the
front camera.
●
Do not allow bright lights to shine into
the front camera.
●
Do not dirty or damage the front cam-
era.
When cleaning the inside of the wind-
shield, do not allow glass cleaner to
contact the lens of the front camera.
Also, do not touch the lens.
If the lens is dirty or damaged, contact
your Lexus dealer.
●
Do not subject the front camera to a
strong impact.
●
Do not change the installation position
or direction of the front camera or
remove it.
●
Do not disassemble the front camera.
●
Do not modify any components of the
vehicle around the front camera
(inside rear view mirror, etc.) or ceiling.
●
Do not attach any accessories to the
hood, front grille or front bumper that
may obstruct the front camera. Con-
tact your Lexus dealer for details.
●
If a surfboard or other long object is to
be mounted on the roof, make sure
that it will not obstruct the front cam-
era.
●
Do not modify the headlights or other
lights.
216
4-5. Using the driving support systems
■
If a warning message is displayed on the multi-information display
A system may be temporarily unavailable or there may be a malfunction in the system.
●
In the following situations, perform the actions specified in the table. When the normal
operating conditions are detected, the message will disappear and the system will
become operational.
If the message does not disappear, contact your Lexus dealer.
Situation
Actions
When the area around a camera is covered
with dirt, moisture (fogged up, covered with
condensation, ice, etc.), or other foreign
matter
Using the wiper and A/C function, remove
the dirt and other attached matter.
(
When the temperature around the front
camera is outside of the operational range,
such as when the vehicle is in the sun or in an
extremely cold environment
If the front camera is hot, such as after the
vehicle had been parked in the sun, use the
air conditioning system to decrease the tem-
perature around the front camera.
If a sunshade was used when the vehicle
was parked, depending on its type, the sun-
light reflected from the surface of the sun-
shade may cause the temperature of the
front camera to become excessively high.
If the front camera is cold, such after the
vehicle is parked in an extremely cold envi-
ronment, use the air conditioning system to
increase the temperature around the front
camera.
217
4-5. Using the driving support systems
4
Driving
●
In the following situations, if the situation has changed (or the vehicle has been driven for
some time) and the normal operating conditions are detected, the message will disappear
and the system will become operational.
If the message does not disappear, contact your Lexus dealer.
• When the temperature around the radar sensor is outside of the operational range, such
as when the vehicle is in the sun or in an extremely cold environment
• When the front camera cannot detect objects in front of the vehicle, such as when driving
in the dark, snow, or fog, or when bright lights are shining into the front camera
• Depending on the conditions in the vicinity of the vehicle, the radar may judge the sur-
rounding environment cannot be properly recognized. In that case, “Pre-Collision System
Unavailable” is displayed.
The area in front of the front camera is
obstructed, such as when the hood is open
or a sticker is attached to the part of the
windshield in front of the front camera.
Close the hood, remove the sticker, etc. to
clear the obstruction.
When “Pre-Collision System Unavailable” is
displayed.
Check whether there is attached materials
on the radar sensor and radar sensor cover,
and if there is, remove it.
Situation
Actions
218
4-5. Using the driving support systems
The system can detect the following:
Vehicles
Bicyclists
Pedestrians
■
Pre-collision warning
When the system determines that the
possibility of a frontal collision is high, a
buzzer will sound and a warning mes-
sage will be displayed on the
multi-information display to urge the
driver to take evasive action.
■
Pre-collision brake assist
When the system determines that the
possibility of a frontal collision is high,
the system applies greater braking
force in relation to how strongly the
brake pedal is depressed.
■
Pre-collision braking
If the system determines that the possi-
bility of a frontal collision is extremely
high, the brakes are automatically
applied to help avoid the collision or
reduce the impact of the collision.
■
Suspension control (if equipped)
When the system determines that the
possibility of a frontal collision is high,
the Adaptive Variable Suspension Sys-
tem (
P.279) will control the damping
force of the shock absorbers to help
maintain an appropriate vehicle pos-
ture.
PCS (Pre-Collision System)
The pre-collision system uses a
radar sensor and front camera to
detect objects (
the vehicle. When the system
determines that the possibility of a
frontal collision with an object is
high, a warning operates to urge
the driver to take evasive action
and the potential brake pressure is
increased to help the driver avoid
the collision. If the system deter-
mines that the possibility of a frontal
collision with an object is extremely
high, the brakes are automatically
applied to help avoid the collision or
help reduce the impact of the colli-
sion.
The pre-collision system can be dis-
abled/enabled and the warning tim-
ing can be changed. (
Detectable objects
System functions
219
4-5. Using the driving support systems
4
Driving
WARNING
■
Limitations of the pre-collision system
●
The driver is solely responsible for safe
driving. Always drive safely, taking
care to observe your surroundings.
Do not use the pre-collision system
instead of normal braking operations
under any circumstances. This system
will not prevent collisions or lessen col-
lision damage or injury in every situa-
tion. Do not overly rely on this system.
Failure to do so may lead to an acci-
dent, resulting in death or serious
injury.
●
Although this system is designed to
help avoid a collision or help reduce
the impact of the collision, its effective-
ness may change according to various
conditions, therefore the system may
not always be able to achieve the same
level of performance.
Read the following conditions care-
fully. Do not overly rely on this system
and always drive carefully.
• Conditions under which the system
may operate even if there is no possi-
bility of a collision:
• Conditions under which the system
may not operate properly:
●
Do not attempt to test the operation of
the pre-collision system yourself.
Depending on the objects used for
testing (dummies, cardboard objects
imitating detectable objects, etc.), the
system may not operate properly, pos-
sibly leading to an accident.
■
Pre-collision braking
●
When the pre-collision braking func-
tion is operating, a large amount of
braking force will be applied.
●
If the vehicle is stopped by the opera-
tion of the pre-collision braking func-
tion, the pre-collision braking function
operation will be canceled after
approximately 2 seconds. Depress the
brake pedal as necessary.
●
The pre-collision braking function may
not operate if certain operations are
performed by the driver. If the acceler-
ator pedal is being depressed strongly
or the steering wheel is being turned,
the system may determine that the
driver is taking evasive action and pos-
sibly prevent the pre-collision braking
function from operating.
●
In some situations, while the pre-colli-
sion braking function is operating,
operation of the function may be can-
celed if the accelerator pedal is
depressed strongly or the steering
wheel is turned and the system deter-
mines that the driver is taking evasive
action.
●
If the brake pedal is being depressed,
the system may determine that the
driver is taking evasive action and pos-
sibly delay the operation timing of the
pre-collision braking function.
■
When to disable the pre-collision sys-
tem
In the following situations, disable the
system, as it may not operate properly,
possibly leading to an accident resulting
in death or serious injury:
●
When the vehicle is being towed
●
When your vehicle is towing another
vehicle
●
When transporting the vehicle via
truck, boat, train or similar means of
transportation
●
When the vehicle is raised on a lift with
the hybrid system on and the tires are
allowed to rotate freely
●
When inspecting the vehicle using a
drum tester such as a chassis dyna-
mometer or speedometer tester, or
when using an on vehicle wheel bal-
ancer
●
When a strong impact is applied to the
front bumper or front grille, due to an
accident or other reasons
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