Toyota Prius Prime (2022 year). Manual in english — page 22

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5-3. Operating the lights and wipers

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Switching to low beam

Pull the lever to the original
position.

The Automatic High Beam indi-
cator will turn off.
Push the lever away from you to
activate the Automatic High
Beam system again.

Switching to high beam

Press the Automatic High
Beam switch.

The Automatic High Beam indi-
cator will turn off and the high
beam indicator will turn on.
Press the switch to activate the
Automatic High Beam system
again.

Turning the high beam on/off manually

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5-3. Operating the lights and wipers

High beam automatic turning on or off conditions

When all of the following conditions are fulfilled, the high beam will be auto-
matically turned on (after approximately 1 second):
• Vehicle speed is above approximately 21 mph (34 km/h).
• The area ahead of the vehicle is dark.
• There are no vehicles ahead with headlights or tail lights turned on.
• There are few streetlights on the road ahead.

If any of the following conditions are fulfilled, the high beam will be automat-
ically turned off:
• Vehicle speed drops below approximately 17 mph (27 km/h).
• The area ahead of the vehicle is not dark.
• Vehicles ahead have headlights or tail lights turned on.
• There are many streetlights on the road ahead.

Front camera detection information

The high beam may not be automatically turned off in the following situa-
tions:
• When oncoming vehicles suddenly appear from a curve
• When the vehicle is cut in front of by another vehicle
• When vehicles ahead are hidden from sight due to repeated curves, road

dividers or roadside trees

• When vehicles ahead appear from the faraway lane on wide road
• When vehicles ahead vehicles have no lights

The high beam may be turned off if a vehicle ahead that is using fog lights
without using the headlights is detected.

House lights, street lights, traffic signals, and illuminated billboards or signs
may cause the high beam to switch to the low beams, or the low beams to
remain on.

The following factors may affect the amount of time taken to turn the high
beam on or off:
• The brightness of headlights, fog lights, and tail lights of vehicles ahead
• The movement and direction of vehicles ahead
• When a vehicle ahead only has operational lights 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 high beam may be turned on or off when the driver does not expect it.

Bicycles or similar objects may not be detected.

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5-3. Operating the lights and wipers

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In the situations shown below, the system may not be able to accurately
detect surrounding brightness levels. This may cause the low beams to
remain on or the high beams to cause problems for pedestrians, vehicles
ahead or other parties. In these cases, manually switch between the high
and low beams.
• In bad weather (rain, snow, fog, sandstorms etc.)
• The windshield is obscured by fog, mist, ice, dirt etc.
• The windshield is cracked or damaged.
• The front camera is deformed or dirty.
• The front camera temperature is extremely high.
• Surrounding brightness levels are equal to those of headlights, tail lights

or fog lights.

• Vehicles ahead have headlights that are either switched off, dirty, are

changing color, or are not aimed properly.

• When driving through an area of intermittently changing brightness and

darkness.

• When frequently and repeatedly driving ascending/descending roads, or

roads with rough, bumpy or uneven surfaces (such as stone-paved
roads, gravel tracks etc.).

• When frequently and repeatedly taking curves or driving on a winding

road.

• There is a highly reflective object ahead of the vehicle, such as a sign or

a mirror.

• The back of a vehicle ahead is highly reflective, such as a container on a

truck.

• The vehicle’s headlights are damaged or dirty.
• The vehicle is listing or tilting, due to a flat tire, a trailer being towed etc.
• The high beam and low beam are repeatedly being switched between in

an abnormal manner.

• The driver believes that the high beam may be causing problems or dis-

tress to other drivers or pedestrians nearby.

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5-3. Operating the lights and wipers

Temporarily lowering sensor sensitivity

The sensitivity of the sensor can be temporarily lowered.

Turn the power switch off while the following conditions are met.

• The headlight switch is in the

or

position.

• The headlight switch lever is in high beam position.
• Automatic High Beam switch is on.
Turn the power switch to ON mode.
Within 60 seconds after step , repeat pulling the headlight switch lever to
the original position then pushing it to the high beam position quickly 10
times, then leave the lever in high beam position.
If the sensitivity is changed, the Automatic High Beam indicator is turn on
and off 3 times.

Automatic High Beam (headlights) may turn on even the vehicle is stopped.

If “Headlight System Malfunction Visit Your Dealer” is displayed on the
multi-information display

The system may be malfunctioning. Have the vehicle inspected by your Toy-
ota dealer.

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5-3. Operating the lights and wipers

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Fog light switch

Type A

Turns the fog lights off

Turns the fog lights on

: If equipped

The fog lights offer improved visibility in difficult driving condi-
tions, such as in rain and fog.

Operating instructions

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5-3. Operating the lights and wipers

Type B

Turns 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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5-3. Operating the lights and wipers

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Windshield wipers and washer

Operating the

lever operates the wipers or washer as follows.

Intermittent windshield wipers with interval adjuster (if
equipped)

Type A

Off

Intermittent operation

Low speed operation

High speed operation

Temporary operation

Type B

Off

Intermittent operation

Low speed operation

High speed operation

Temporary operation

Operating the wiper lever

IO53PH023

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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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5-3. Operating the lights and wipers

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Rain-sensing windshield wipers (if equipped)

Type A

Off

Rain-sensing opera-

tion

Low speed operation

High speed operation

Temporary operation

Type B

Off

Rain-sensing operation

Low speed operation

High speed operation

Temporary operation

When

is selected, the wipers will operate automatically when the

sensor detects falling rain. The system automatically adjusts wiper tim-
ing in accordance with rain volume and vehicle speed.

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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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5-3. Operating the lights and wipers

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The windshield wipers and washer can be operated when

The power switch is in ON mode.

Dripping prevention wiper sweep (vehicles 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 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 operate 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, 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.

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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5-3. Operating the lights and wipers

WARNING

Caution regarding the use of windshield wipers in AUTO mode (vehi-
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 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 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.

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5-4. Refueling

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Opening the fuel tank cap

Turn the power switch off and ensure that all the doors and win-
dows are closed.

Confirm the type of fuel.

Fuel types

P. 735

Fuel tank opening for unleaded gasoline

To help prevent incorrect fueling, your vehicle has a fuel tank opening that
only accommodates the special nozzle on unleaded fuel pumps.

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

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5-4. Refueling

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.

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.

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Press the opener 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.

Turn the fuel tank cap slowly to
open and hang it on the back of
the fuel filler door.

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 refuel-
ing process.
Press the fuel filler door opener switch again.

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 surface.

Notice about fuel

P. 105

Opening the fuel tank cap

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5-4. Refueling

When the fuel filler door cannot be opened by pressing the inside switch

Using the lever to open the fuel filler door may not allow for an adequate
reduction in fuel tank pressure before refueling. To prevent fuel from spilling
out, turn the cap slowly when removing it.
During refueling, fuel may spill out from the filler opening due to air being dis-
charged from inside the fuel tank. Therefore, fill the fuel tank carefully and
slowly.

Open the back door and remove the
cover underneath the luggage compart-
ment light.

Pull the lever backward and check that
the fuel lid opens.

NOTICE

When refueling

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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.

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Политика конфиденциальности