lights TOYOTA BZ4X 2022 (in English) Service Manual

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5-3. Operating the lights and wipers
Driving
2Turn the headlight switch to the
or position.
When the headlight switch lever is in the low beam position, the AHS system
will be enabled and the AHS indicator will illuminate.
■System operating conditions
●When all of the following conditions
are met, the high beams will illuminate and the system will operate:• The vehicle speed is approximately 15
km/h (9 mph) or more.*
• The area ahead of the vehicle is dark.*: When driving around a curve at a
vehicle speed of approximately 30
km/h (19 mph) or more, the direction
of travel of the vehicle will be brightly
illuminated.
●When all of the following conditions are met, the headlights will change to the shaded high beams according to
the position of vehicles ahead: • The vehicle speed is approximately 15 km/h (9 mph) or more.
• The area ahead of the vehicle is dark. • There is a vehicle ahead with lights on.
• There are few streetlights or other lights on the road ahead.
●If any of the following conditions are met, the system will change to the low beams:
• The vehicle speed is approximately 12 km/h (7.5 mph) or lower.• The area ahead of the vehicle is not
dark.
• There are many vehicles ahead. • There are many streetlights or other lights on the road ahead.
■Front camera detection
●In the following situations, the high beams may not be automatically
changed to the shaded high beams: • When a vehicle cuts in front of your vehicle
• When another vehicle crosses in front of the vehicle• When vehicles ahead are repeatedly
detected and then hidden due to repeated curves, road dividers or roadside trees
• When a vehicle ahead approaches from a far lane• When a vehicle ahead is far away
• When a vehicle ahead has no lights • When the lights of a vehicle ahead are dim
• When a vehicle ahead is reflecting strong light, such as the headlights of your vehicle
• Situations in which the sensors may not operate properly: P. 2 7 9
●The high beams may change to the shaded high beams if a vehicle ahead that is using fog lights without its
headlights turned on is detected.
●House lights, street lights, traffic sig-
nals, and illuminated billboards or signs and other reflective objects may cause the high beams to change to
the shaded high beams, cause the high beams not to change to the shaded high beams, or change the
area that is not illuminated.
●The following may change the speed
at which the shaded areas change or the timing at which the headlights change to the low beams:
• The brightness of lights of vehicles ahead• The movement and direction of vehi-
cles ahead • The distance between the vehicle and a vehicle ahead
• When a vehicle ahead only has lights illuminated on one side

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5-3. Operating the lights and wipers
• When a vehicle ahead is a two-
wheeled vehicle • The condition of the road (gradient, curve, condition of the road surface,
etc.) • The number of passengers and amount of luggage
●The light distribution control of the headlights may not match the driver’s
expectations
●Bicycles and other small vehicles may
not be detected.
●In the following situations, the system
may not be able to correctly detect the brightness of the surroundings. This may cause the low beams to remain
on or the high beams to flash or daz- zle pedestrians or vehicles ahead. In such a case, it is necessary to manu-
ally change between the high beams and low beams.• When there are lights similar to head-
lights or tail lights in the surrounding area• When headlights or tail lights of vehi-
cles ahead are turned off, dirty, chang- ing color, or not aimed properly• When the headlights are repeatedly
changing between the high beams and low beams.• When use of the high beams is inap-
propriate or when the high beams may be flashing or dazzling pedestri-ans or other drivers.
• When the vehicle is used in an area in which vehicles travel on the opposite side of the road of the country for
which the vehicle was designed, for example using a vehicle designed for right-hand traffic in a left-hand traffic
area, or vice versa • When it is necessary to disable the system: P. 2 7 5
• Situations in which the sensors may not operate properly: P. 2 7 9
■Customization
The settings of some functions can be
changed. ( P.567)
■Changing to the high beams
Push the lever forward.
The AHS indicator will turn off and the
high beam indicator will turn on.
Pull the lever to its original position to
enable the Adaptive High-beam Sys-
tem again.
■Changing to the low beams
Press the Adaptive High-beam Sys-
tem switch.
The AHS indicator will turn off.
Press the switch to enable the Adaptive
High-beam System again.
It is recommended to switch to the
Turning the high beams
on/off manually
Temporarily changing to the
low beams

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5-3. Operating the lights and wipers
Driving
low beams when use of the high
beams is inappropriate or when the
high beams may cause problems or
distress to other drivers or pedestri-
ans nearby.
Pull the lever rearward and then
return it to its original position.
The high beams will illuminate while the
lever is pulled, however, after the lever
is returned to its original position, the
low beams will remain on for a certain
amount of time. After this, the Adaptive
High-beam System will operate.
*: If equipped
1 Press the Automatic High Beam
switch.
AHB (Automatic High
Beam)*
The Automatic High Beam
uses a front camera located on
the upper portion of the wind-
shield to detect the brightness
of the lights of vehicles ahead,
streetlights, etc., and automati-
cally changes the head lights
between the high beams and
low beams.
WARNING
■For safe use
Do not overly rely on the Automatic High Beam. Always drive safely, tak-ing care to observe your surroundings
and turning the high beams on or off manually if necessary.
■To prevent unintentional opera-tion of the Automatic High Beam
When it is necessary to disable the system: P.275
Using the Automatic High
Beam system

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5-3. Operating the lights and wipers
2Turn the headlight switch to the
or position.
When the headlight switch lever is in the low beam position, the AHB system
will be enabled and the AHB indicator will illuminate.
■Automatic operating conditions of the high beams
●When all of the following conditions are met, the high beams will illuminate automatically:
• The vehicle speed is approximately 30 km/h (19 mph) or more.• The area ahead of the vehicle is dark.
• There are no vehicles ahead with lights on.• There are few streetlights or other
lights on the road ahead.
●If any of the following conditions are
met, the headlights will change to the low beams:• Vehicle speed drops below approxi-
mately 25 km/h (16 mph). • The area ahead of the vehicle is not dark.
• There is a vehicle ahead with lights on.• There are many streetlights or other
lights on the road ahead.
■Front camera detection
●In the following situations, the high
beams may not be automatically changed to the low beams:• When a vehicle cuts in front of your
vehicle • When another vehicle crosses in front
of the vehicle
• When vehicles ahead are repeatedly detected and then hidden due to repeated curves, road dividers or
roadside trees • When a vehicle ahead approaches from a far lane
• When a vehicle ahead is far away • When a vehicle ahead has no lights• When the lights of a vehicle ahead are
dim • When a vehicle ahead is reflecting strong light, such as own headlights
• Situations in which the sensors may not operate properly: P. 2 7 9
●The headlights may change to the low beams if a vehicle ahead that is using fog lights without its headlights turned
on is detected.
●House lights, street lights, traffic sig-
nals, and illuminated billboards or signs may cause the high beams to change to the low beams, or the low
beams to remain on.
●The following may change the timing
at which the headlights change to the low beams:• The brightness of lights of vehicles
ahead • The movement and direction of vehi-cles ahead
• The distance between the vehicle and a vehicle ahead• When a vehicle ahead only has lights
illuminated on one side • When a vehicle ahead is a two-wheeled vehicle
• The condition of the road (gradient, curve, condition of the road surface, etc.)
• The number of passengers and amount of luggage
●The headlights may change between the high beams and low beams unex-pectedly.
●Bicycles and other small vehicles may not be detected.
●In the following situations, the system may not be able to correctly detect the
brightness of the surroundings. This

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5-3. Operating the lights and wipers
Driving
may cause the low beams to remain
on or the high beams to flash or daz- zle pedestrians or vehicles ahead. In such a case, it is necessary to manu-
ally change between the high beams and low beams.• When there are lights similar to head-
lights or tail lights in the surrounding area• When headlights or tail lights of vehi-
cles ahead are turned off, dirty, chang- ing color, or not aimed properly• When the headlights are repeatedly
changing between the high beams and low beams.• When use of the high beams is inap-
propriate or when the high beams may be flashing or dazzling pedestri-ans or other drivers.
• When the vehicle is used in an area in which vehicles travel on the opposite side of the road of the country for
which the vehicle was designed, for example using a vehicle designed for right-hand traffic in a left-hand traffic
area, or vice versa • When it is necessary to disable the system: P. 2 7 5
• Situations in which the sensors may not operate properly: P. 2 7 9
■Changing to the high beams
Push the lever forward.
The Automatic High Beam indicator will
turn off and the high beam indicator will
turn on.
Pull the lever to its original position to
enable the Automatic High Beam sys-
tem again.
■Changing to the low beams
Press the Automatic High Beam
switch.
The Automatic High Beam indicator will
turn off.
Press the switch to enable the Auto-
matic High Beam system again.
It is recommended to switch to the
low beams when use of the high
beams is inappropriate or when the
high beams may cause problems or
distress to other drivers or pedestri-
ans nearby.
Pull the lever rearward and then
return it to its original position.
The high beams will illuminate while the
lever is pulled, however, after the lever
is returned to its original position, the
Turning the high beams
on/off manually
Temporarily changing to the
low beams

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5-3. Operating the lights and wipers
low beams will remain on for a certain
amount of time. After this, the Auto-
matic High Beam system will operate.
1 Turns the rear fog light off
2 Turns the rear fog light on
Releasing the switch ring returns it to
.
Operating the switch ring again turns
the rear fog light off.
■Fog light can be used when
The headlights are turned on.
Fog light switch
When in difficult driving condi-
tions, such as in rain and fog,
turn on the rear fog light to
notify following vehicles the
existence of your vehicle.
Turning on the fog lights

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5-3. Operating the lights and wipers
Driving
Operating the lever operates
the wipers or washer as follows:
Intermittent windshield wipers
with interval adjuster
1 Off
2 Intermittent operation
3 Low speed operation
NOTICE
■To prevent 12-volt battery dis- charge
Do not leave the lights on longer than necessary when the EV system is off.
Windshield wipers and
washer
Operating the lever can
change wiper operation to
automatic/manual or squirt
washer fluid.
NOTICE
■When the windshield is dry
Do not use the wipers, as they may damage the windshield.
Operating the wiper lever

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5-3. Operating the lights and wipers
4 High speed operation
5 Temporary operation
Wiper intervals can be adjusted
when intermittent operation is
selected.
6 Increases the intermittent wind-
shield wiper frequency
7 Decreases the intermittent wind-
shield wiper frequency
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 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.
Rain-sensing windshield wipers
When AUTO is selected, the wipers
will operate automatically when the
sensor detects falling rain. The sys-
tem automatically adjusts wiper tim-
ing in accordance with rain volume
and vehicle speed.
1 Off
2 Rain-sensing operation
3 Low speed operation
4 High speed operation
5 Temporary operation
When AUTO is selected, the sensor
sensitivity can be adjusted by turn-
ing the switch ring.

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5-3. Operating the lights and wipers
Driving
6Increases 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.
(After operating several times, the wip-
ers operate once more time after a
short delay to prevent dripping. How-
ever, the dripping prevention does not
operate while the vehicle is moving.)
Vehicles with headlight cleaners: When
the power switch is in ON 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.
■Effects of vehicle speed on wiper operation (vehicles with rain-sens-ing windshield wipers)
Vehicle speed affects the Intermittent wiper interval.
■Raindrop sensor (vehicles with rain-sensing windshield wipers)
●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 wind-shield.
●If the wiper switch is turned to the “AUTO” position while the power
switch is in ON, the wipers will operate once to show that AUTO mode is acti-vated.
●If the temperature of the raindrop sen-
sor is 90°C (194°F) or higher, or -15°C (5°F) 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.

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5-3. Operating the lights and wipers
WARNING
■Caution regarding the use of windshield wipers in AUTO mode
(vehicles with rain-sensing wind- shield wipers)
The windshield wipers may operate
unexpectedly if the sensor is touched or the windshield is subject to vibra-tion 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, result- ing 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 over- heat.
■When a nozzle becomes blocked
In this case, contact any authorized
Toyota retailer or Toyota 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 dis-
charge
Do not leave the wipers on longer than necessary when the EV system
is off.