Lexus CT (2021 year). Manual in english — page 11
291
4-3. Operating the lights and wipers
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WARNING
■
Caution regarding the use of windshield wipers 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 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 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 any authorized Lexus retailer or Lexus authorized repairer, or any
reliable repairer.
Do not try to clear it with a pin or other object. The nozzle will be damaged.
■
To prevent 12-volt battery discharge
Do not leave the wipers on longer than necessary when the hybrid system is off.
292
4-3. Operating the lights and wipers
Rear window wiper and washer
Operating the
switch operates the rear wiper or washer as follows.
Intermittent operation
Normal operation
Washer/wiper dual operation
Washer/wiper dual operation
■
The rear window wiper and washer can be operated when
The power switch is in ON mode.
: If equipped
Operating the wiper lever
1
2
3
4
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.
293
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4-3. Operating the lights and wipers
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Headlight cleaner switch
Press the switch to clean the headlights.
■
The headlight cleaners can be operated when
The power switch is in ON mode and the headlight switch is turned on.
■
Windshield washer linked operation
Only for the first time when the windshield washer is operated with the power switch in
ON mode and the headlights on, the headlight cleaners will operate once.
(
P. 288)
: If equipped
Washer fluid can be sprayed on the headlights.
NOTICE
■
When the washer fluid tank is empty
Do not press the switch continually as the washer fluid pump may overheat.
294
4-4. Refueling
Opening the fuel tank cap
●
Turn the power switch off and ensure that all the doors and windows are
closed.
●
Confirm the type of fuel.
■
Fuel types
P. 740
■
Fuel tank opening for unleaded gasoline
To help prevent incorrect fueling, your vehicle has a fuel tank opening that only accom-
modates the special nozzle on unleaded fuel pumps.
Perform the following steps to open the fuel tank cap:
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 refueling 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 discharged 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 vehicle.
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.
295
4-4. Refueling
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Press the opener to open the fuel
filler door.
Turn the fuel tank cap slowly to open
and hang it on the back of the fuel
filler door.
WARNING
■
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 nozzle automatically clicks off.
●
Do not top off the fuel tank.
NOTICE
■
Refueling
Do not spill fuel during refueling.
Doing so may damage the vehicle, such as causing the emission control system to
operate abnormally or damaging fuel system components or the vehicle’s painted sur-
face.
Opening the fuel tank cap
1
2
296
4-4. Refueling
■
When the fuel filler door cannot be opened by pressing the inside switch
After refueling, turn the fuel tank cap
until you hear a click. Once the cap is
released, it will turn slightly in the oppo-
site direction.
Remove the cover inside the luggage compart-
ment and pull the lever.
Closing the fuel tank cap
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 incident which may result in death or serious injury.
297
4
4-5. Using the driving support systems
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Lexus Safety System+
◆
PCS (Pre-Collision System)
P. 309
◆
LDA (Lane Departure Alert with steering control)
P. 320
◆
AHB (Automatic High Beam)
P. 282
◆
RSA (Road Sign Assist)
P. 329
◆
Dynamic radar cruise control
P. 334
: If equipped
The Lexus Safety System+ consists of the following drive assist systems and
contributes to a safe and comfortable driving experience:
WARNING
■
Lexus Safety System+
The Lexus Safety System+ is designed to operate under the assumption 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 recognition accuracy and control performance that
this system can provide, do not overly rely on this system. The driver is always responsi-
ble for paying attention to the vehicle’s surroundings and driving safely.
298
4-5. Using the driving support systems
Two types of sensors, located behind the front grille and windshield, detect infor-
mation necessary to operate the drive assist systems.
Radar sensor
Front camera
Sensors
1
2
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4-5. Using the driving support systems
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WARNING
■
To avoid malfunction of the radar sensor
Observe the following precautions.
Otherwise, the radar sensor may not operate properly, possibly leading to an accident
resulting in death or serious injury.
●
Keep the radar sensor and radar sensor cover clean at all times.
●
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 any authorized Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
●
Do not disassemble the radar sensor.
●
Do not modify or paint the radar sensor or radar sensor cover.
●
In the following cases, the radar sensor must be recalibrated. Contact any authorized
Lexus retailer or Lexus authorized repairer, or any reliable repairer.
• When the radar sensor or front grille are removed and installed, or replaced
• When the front bumper is replaced
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.
1
2
300
4-5. Using the driving support systems
WARNING
■
To avoid malfunction of the front camera
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 wind-
shield in front of the front camera.
• If the inner side of the windshield where the front camera is installed is dirty, con-
tact any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer.
●
If the part of the windshield in front of the front camera is fogged up or covered with
condensation or ice, use the windshield defogger to remove the fog, condensation or
ice. (
P. 552, 559)
●
If water droplets cannot be properly removed from the area of the windshield in front
of the front camera by the windshield wipers, replace the wiper insert or wiper blade.
●
Do not attach window tint to the windshield.
●
Replace the windshield if it is damaged or cracked.
After replacing the windshield, the front camera must be recalibrated. Contact any
authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
●
Do not get the front camera wet.
●
Do not allow bright lights to shine into the front camera.
●
Do not dirty or damage the front camera.
When cleaning the inside of the windshield, 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 any authorized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer.
●
Do not attach objects, such as stickers, trans-
parent stickers, to the outer side of the wind-
shield in front of the front camera (shaded
area in the illustration).
A: From the top of the windshield to approxi-
mately 1 cm (0.4 in.) below the bottom of the
front camera
B: Approximately 20 cm (7.9 in.) (Approxi-
mately 10 cm (4.0 in.) to the right and left
from the center of the front camera)
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4-5. Using the driving support systems
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■
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.
WARNING
●
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. Contact any authorized Lexus retailer or Lexus authorized
repairer, or any reliable repairer 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 camera.
●
Do not modify the headlights or other lights.
Situation
Actions
When the area around a sensor is
covered with dirt, moisture (fogged
up, covered with condensation, ice,
etc.), or other foreign matter
To clean the part of the windshield in front of
the front camera, use the windshield wipers or
the windshield defogger of the air conditioning
system (
P. 552, 559).
When the temperature around the
front camera is outside of the opera-
tional range, such as when the vehi-
cle is in the sun or in an extremely
cold environment
If the front camera is hot, such as after the vehi-
cle had been parked in the sun, use the air con-
ditioning system to decrease the temperature
around the front camera.
If a sunshade was used when the vehicle was
parked, depending on its type, the sunlight
reflected from the surface of the sunshade
may cause the temperature of the front cam-
era to become excessively high.
If the front camera is cold, such after the vehicle
is parked in an extremely cold environment, use
the air conditioning system to increase the tem-
perature around the front camera.
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.
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4-5. Using the driving support systems
●
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 dis-
appear 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 cam-
era
309
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4-5. Using the driving support systems
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PCS (Pre-Collision System)
◆
Pre-collision warning
When the system determines that
the possibility of a frontal collision is
high, a buzzer will sound and a warn-
ing message will be displayed on the
multi-information display to urge the
driver to take evasive action.
: If equipped
The pre-collision system uses a radar sensor and front camera to detect vehi-
cles and pedestrians in front of your vehicle. When the system determines
that the possibility of a frontal collision with a vehicle or pedestrian 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
determines that the possibility of a frontal collision with a vehicle or pedes-
trian is extremely high, the brakes are automatically applied to help avoid the
collision or help reduce the impact of the collision.
The pre-collision system can be disabled/enabled and the warning timing can
be changed. (
P. 312)
310
4-5. Using the driving support systems
◆
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
When the system determines that the possibility of a frontal collision is high,
the system warns the driver. If the system determines that the possibility of a
frontal collision is extremely high, the brakes are automatically applied to help
avoid the collision or reduce the collision speed.
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 collision damage or
injury in every situation. Do not overly rely on this system. Failure to do so may lead to
an accident, 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 effectiveness 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 carefully. Do not overly rely on this system and always
drive carefully.
• Conditions under which the system may operate even if there is no possibility of a
collision:
P. 314
• Conditions under which the system may not operate properly:
P. 317
●
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, possibly leading to an
accident.
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4-5. Using the driving support systems
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WARNING
■
Pre-collision braking
●
When the pre-collision braking function is operating, a large amount of braking force
will be applied.
●
If the vehicle is stopped by the operation of the pre-collision braking function, 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 per-
formed by the driver. If the accelerator pedal is being depressed strongly or the steer-
ing wheel is being turned, the system may determine that the driver is taking evasive
action and possibly prevent the pre-collision braking function from operating.
●
In some situations, while the pre-collision braking function is operating, operation of
the function may be canceled if the accelerator pedal is depressed strongly or the
steering wheel is turned and the system determines that the driver is taking evasive
action.
●
If the brake pedal is being depressed, the system may determine that the driver is tak-
ing evasive action and possibly delay the operation timing of the pre-collision braking
function.
■
When to disable the pre-collision system
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 dynamometer or
speedometer tester, or when using an on vehicle wheel balancer
●
When a strong impact is applied to the front bumper or front grille, due to an accident
or other reasons
●
If the vehicle cannot be driven in a stable manner, such as when the vehicle has been
in an accident or is malfunctioning
●
When the vehicle is driven in a sporty manner or off-road
●
When the tires are not properly inflated
●
When the tires are very worn
●
When tires of a size other than specified are installed
●
When tire chains are installed
●
When a compact spare tire or an emergency tire puncture repair kit is used
●
If equipment (snow plow, etc.) that may obstruct the radar sensor or front camera is
temporarily installed to the vehicle
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4-5. Using the driving support systems
■
Enabling/disabling the pre-collision system
The pre-collision system can be enabled/disabled on
(
P. 104) of
the multi-information display.
The system is automatically enabled each time the power switch is turned to ON
mode.
If the system is disabled, the PCS
warning light will turn on and a mes-
sage will be displayed on the multi-
information display.
■
Changing the pre-collision warning timing
The pre-collision warning timing can be changed on
(
P. 104) of
the multi-information display.
The operation timing setting is retained when the power switch is turned off.
Far
The warning will begin to operate
earlier than with the default timing.
Middle
This is the default setting.
Near
The warning will begin to operate
later than with the default timing.
Changing settings of the pre-collision system
1
2
3
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