lights TOYOTA PRIUS PRIME 2022 Service Manual

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PRIUS PRIME_OM_OM47E74U_(U)
5-3. Operating the lights and wipers
Ty p e BTurns the fog lights off
Turns the fog lights on
■Fog lights can be used when
The headlights are on in low beam.
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NOTICE
■To prevent 12-volt battery discharge
Do not leave the lights on longer than necessary when the hybrid system is
off.

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PRIUS PRIME_OM_OM47E74U_(U)
5-3. Operating the lights and wipers
5
Driving
Windshield wipers and washer
Operating the lever operates the wipers or washer as follows.
■Intermittent windshield wipers with interval adjuster (if
equipped)
Ty p e A
Off
Intermittent operation
Low speed operation
High speed operation
Temporary operation
Ty p e BOff
Intermittent operation
Low speed operation
High speed operation
Temporary operation
Operating the wiper lever
IO53PH023
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PRIUS PRIME_OM_OM47E74U_(U)
5-3. Operating the lights and wipers
Wiper intervals can be adjusted when intermittent operation is
selected.
Increases the intermittent
windshield wiper frequency
Decreases the intermittent
windshield wiper frequency
Washer/wiper dual
operation
Pulling the lever operates the
wipers and washer.
The wipers will automatically
operate a couple of times after
the washer squirts.
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PRIUS PRIME_OM_OM47E74U_(U)
3615-3. Operating the lights and wipers
5
Driving
■Rain-sensing windshield wipers (if equipped)
Ty p e A
Off
Rain-sensing opera-
tion
Low speed operation
High speed operation
Temporary operation
Ty p e BOff
Rain-sensing operation
Low speed operation
High speed operation
Temporary operation
When is selected, the wipers will operate automatically when t he
sensor detects falling rain. The system automatically adjusts w iper tim-
ing in accordance with rain volume and vehicle speed.
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362
PRIUS PRIME_OM_OM47E74U_(U)
5-3. Operating the lights and wipers
The sensor sensitivity can be adjusted when is selected.
Increases the sensitivity
Decreases the sensitivity
Washer/wiper dual
operation
Pulling the lever operates the
wipers and washer.
The wipers will automatically
operate a couple of times after
the washer squirts.
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7
8

PRIUS PRIME_OM_OM47E74U_(U)
3635-3. Operating the lights and wipers
5
Driving
■The windshield wipers and washer can be operated when
The power switch is in ON mode.
■ Dripping prevention wiper sweep (vehicles with rain-sensing win dshield
wipers)
After washing and wiping operation several times, the wipers op erate one
more time after a short delay to prevent dripping. However, thi s function will
not operate while driving.
■ Raindrop sensor (vehicles with rain-sensing windshield wipers)
●If the wiper switch is turned to the position while the power switch is in
ON mode, the wipers will operate once to show that AUTO mode is acti-
vated.
● If the wiper sensitivity is adjusted to higher, the wiper may o perate once to
indicate the change of sensitivity.
● If the temperature of the raindrop sensor is 185 F (85 C) or higher, or 5 F
(-15 C) or lower, automatic operation may not occur. In this case, o perate
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 wash er fluid in the
washer fluid tank.
■ Customization
Settings of AUTO mode operation can be changed.
(Customizable features: P. 749)
●
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.

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PRIUS PRIME_OM_OM47E74U_(U)
5-3. Operating the lights and wipers
WARNING
■Caution regarding the use of win dshield wipers in AUTO mode (ve hi-
cles with rain-sensing windshield wipers)
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 fin-
gers, 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 windshie ld becomes
warm. The fluid may freeze on the windshield and cause low visi bility. 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 over-
heat.
■ When a nozzle becomes blocked
In this case, contact your Toyota dealer.
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.

PRIUS PRIME_OM_OM47E74U_(U)
3735-5. Using the driving support systems
5
Driving
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 neces- sary 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 Toyota dealer.
● 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. ( P. 511, 523)
● If water droplets cannot be properly removed from the area of t he 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 windshield.
● Replace the windshield if it is damaged or cracked.
After replacing the windshield, the front camera must be recali brated. Con-
tact your Toyota 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 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).
A: From the top of the windshield to
approximately 0.4 in. (1 cm) below the
bottom of the front camera
B: Approximately 7.9 in. (20 cm)
(Approximately 4.0 in. [10 cm] to the
right and left from the center of the front
camera)

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PRIUS PRIME_OM_OM47E74U_(U)
5-5. Using the driving support systems
WARNING
●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 your Toyota 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 ca mera
(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 your Toyota dealer for details.
● If a surfboard or other long object is to be mounted on the roo f, make sure
that it will not obstruct the front camera.
● Do not modify the headlights or other lights.

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PRIUS PRIME_OM_OM47E74U_(U)
5-5. 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 disappear and the system will become opera-
tional.
If the message does not disappear, contact your Toyota dealer. • When the temperature around the radar sensor is outside of the opera-
tional range, such as when the vehicle is in the sun or in an e xtremely
cold environment
• When the front camera cannot detect objects in front of the ve hicle, 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, th e radar may
judge the surrounding environment can not be properly recognize d. In
that case, “Pre-Collision Syst em Unavailable” is displayed.