Operating the lights and wipers -> Windshield wipers and washer for Your Toyota Prius 4 Door Fourth Generation (2016-2022)

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4-3. Operating the lights and wipers  
Windshield wipers and washer  
Operating the wiper lever  
Operating the lever operates the wipers or washer as follows.  
Intermittent windshield wipers with interval adjuster (if  
equipped)  
Type A  
1
2
3
4
5
Off  
Intermittent operation  
Low speed operation  
High speed operation  
Temporary operation  
4
Type B  
1
2
3
4
5
Off  
Intermittent operation  
Low speed operation  
High speed operation  
Temporary operation  
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4-3. Operating the lights and wipers  
Wiper intervals can be adjusted when intermittent operation is  
selected.  
6
Increases the intermittent  
windshield wiper frequency  
7
Decreases the intermittent  
windshield wiper frequency  
8
Washer/wiper  
operation  
dual  
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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Rain-sensing windshield wipers (if equipped)  
Type A  
1
Off  
2
Rain-sensing opera-  
tion  
3
4
5
Low speed operation  
High speed operation  
Temporary operation  
4
Type B  
1
2
3
4
5
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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4-3. Operating the lights and wipers  
The sensor sensitivity can be adjusted when  
is selected.  
6
Increases the sensitivity  
Decreases the sensitivity  
7
8
Washer/wiper  
operation  
dual  
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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4-3. Operating the lights and wipers  
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)  
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.  
4
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 185F (85C) 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. 678)  
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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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