wipers TOYOTA PRIUS 2023 User Guide

2684-3. Operating the lights and wipers
PRIUS_OM_OM47F32E_(EE)
■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):
• The vehicle speed is approximately 30 - 40 km/h (19 - 25 mph)
* or more.
• 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:
• The vehicle speed is below approximately 25 - 30 km/h (16 - 19 mph)
*.
• 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.
*: The vehicle speed at which the high beams are automatically turned on/
off may vary depending on the country for which the vehicle is approved.
■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.

2694-3. Operating the lights and wipers
4
Driving
PRIUS_OM_OM47F32E_(EE)●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.
■If “Headlight System Malfunction Visit Your Dealer” is displayed on the
multi-information display
The system may be malfunctioning. Have the vehicle inspected by any autho-
rized Toyota retailer or Toyota authorized repairer, or any reliable repairer.

2704-3. Operating the lights and wipers
PRIUS_OM_OM47F32E_(EE)
Fog light switch
Turns the front and
rear fog lights off
Turns the front fog
lights on
Turns both front and
rear fog lights on
Releasing the switch ring returns it
to .
Operating the switch ring again turns only the rear fog light off.
■ Fog lights can be used when
Front fog lights: The front position lights are turned on.
Rear fog light: The front fog lights are turned on.
The fog lights offer improved visibility in difficult driving condi-
tions, such as in rain and fog.
Operating instructions
1
2
3
NOTICE
■ To prevent 12-volt battery discharge
Do not leave the lights on longer than necessary when the hybrid system is
off.

271
4
4-3. Operating the lights and wipers
Driving
PRIUS_OM_OM47F32E_(EE)
Windshield wipers and washer
Operating the lever operates the wipers or washer as follows.
Intermittent windshield wipers with interval adjuster
Off
Intermittent operation
Low speed operation
High speed operation
Temporary operation
Wiper intervals can be adjusted when intermittent operation is
selected.
Increases the intermittent wind-
shield wiper frequency
Decreases the intermittent
windshield wiper frequency
Washer/wiper dual
operation
Pulling the lever operates the wip-
ers and washer.
The wipers will automatically oper-
ate a couple of times after the
washer squirts.
Operating the wiper lever
1
2
3
4
5
6
7
8

2724-3. Operating the lights and wipers
PRIUS_OM_OM47F32E_(EE)
Rain-sensing windshield wipers
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
timing in accordance with rain vol-
ume and vehicle speed.
The sensor sensitivity can be adjusted when is selected.
Increases the sensitivity
Decreases the sensitivity
Washer/wiper dual
operation
Pulling the lever operates the wip-
ers and washer.
The wipers will automatically oper-
ate a couple of times after the
washer squirts.
1
2
3
4
5
6
7
8

2734-3. Operating the lights and wipers
4
Driving
PRIUS_OM_OM47F32E_(EE)
■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 se veral 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 85C (185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.
■ Customization
Settings of AUTO mode operation can be changed. (Customizable features:
 P. 670)
● 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.

2744-3. Operating the lights and wipers
PRIUS_OM_OM47F32E_(EE)
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 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 discharge
Do not leave the wipers on longer than necessary when the hybrid system
is off.

275
4
4-3. Operating the lights and wipers
Driving
PRIUS_OM_OM47F32E_(EE)
Rear window wiper and washer
Operating the switch operates the rear wiper as follows:
Off
Intermittent operation
Normal operation
Washer/wiper dual
operation
Pushing the lever operates the
wiper and washer.
Operating the wiper lever
1
2
3
4

2764-3. Operating the lights and wipers
PRIUS_OM_OM47F32E_(EE)
■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.
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 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 discharge
Do not leave the wiper on longer than necessary when the hybrid system is
off.

2854-5. Using the driving support systems
4
Driving
PRIUS_OM_OM47F32E_(EE)
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 cover ed with an oily film, water droplets,
snow, etc., clean the windshield.
• If a glass coating agent is applied to t he 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 any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
● 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. 462)
● 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 windshield.
● Replace the windshield if it is damaged or cracked.
After replacing the windshield, the front camera must be recalibrated. Con-
tact any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer 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 1 cm (0.4 in.) below the
bottom of the front camera
B: Approximately 20 cm (7.9 in.)
(Approximately 10 cm [4.0 in.] to the
right and left from the center of the front
camera)