TOYOTA PRIUS 2019 Owners Manual (in English)

Page 261 of 828

PRIUS_OM_OM47C35U_(U)
2614-3. Operating the lights and wipers
4
Driving
■Daytime running light system
●The daytime running lights illuminate using the same lights as the head-
lights, and illuminate dimmer than the headlights.
● To make your vehicle more visible to other drivers during dayti me driving,
the daytime running lights turn on automatically when all of the following
conditions are met. (The daytime running lights are not designe d for use at
night.)
• The hybrid system is operating
• The parking brake is released
• The headlight switch is in the , , or
* position
*: When the surroundings are bright
The daytime running lights remain on after they illuminate, eve n if the park-
ing brake is set again.
● For the U.S.A.: Daytime running lights can be turned off by ope rating the
switch.
● Compared to turning on the headlights, the daytime running ligh t system
offers greater durability and consumes less electricity, so it can help improve
fuel economy.
■ Headlight control sensor (if equipped)
■ Automatic light off system
●When the headlights come on: The headlights and tail lights tur n off 30 sec-
onds after a door is opened and closed if the power switch is t urned to
ACCESSORY mode or turned off. (The lights turn off immediately if on
the key is pressed after all the doors are locked.)
● When only the tail lights come on: The tail lights turn off automatically if the
power switch is turned to ACCESSORY mode or turned off and the driver’s
door is opened.
To turn the lights on again, turn the power switch to ON mode, or turn the light
switch , or position once and then back to or . The sensor may not function properly if an
object is placed on the sensor, or anything
that blocks the sensor is affixed to the
windshield.
Doing so interferes with the sensor
detecting the level of ambient light and
may cause the automatic headlight sys-
tem to malfunction.
Air conditioning operation may also be
interrupted.

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PRIUS_OM_OM47C35U_(U)
4-3. Operating the lights and wipers
■Automatic headlight leveling system (vehicles with AFS)
The level of the headlights is automatically adjusted according to the number
of passengers and the loading condition of the vehicle to ensure that the
headlights do not interfere with other road users.
■ 12-volt battery-saving function
In order to prevent the 12-volt battery of the vehicle from dis charging, if the
headlights and/or tail lights are on when the power switch is t urned off, the
12-volt battery saving function will operate and automatically turn off all the
lights after approximately 20 minutes.
When any of the following are performed, the 12-volt battery-sa ving function
is canceled once and then reactivated. All the lights will turn off automatically
20 minutes after the 12-volt battery-saving function has been reactivated:
● When the headlight switch is operated
● When a door is opened or closed
■ If “Headlight System Malfunction Visit Your Dealer” is displaye d on the
multi-information display
The system may be malfunctioning. Have the vehicle inspected by your Toy-
ota dealer.
■ If the AFS OFF indicator flashes (vehicles with AFS)
It may indicate a malfunction in the system. Contact your Toyota dealer.
■ Customization
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features: P. 780)
NOTICE
■To prevent 12-volt battery discharge
Do not leave the lights on longer than necessary when the hybrid system is
off.

Page 263 of 828

263
PRIUS_OM_OM47C35U_(U)
4-3. Operating the lights and wipers
4
Driving
Automatic High Beam
Push the lever away from you
with the headlight switch in the or position.
Press the Automatic High
Beam switch.
The Automatic High Beam indica-
tor will come on when the head-
lights are turned on automatically
to indicate that the system is
active.
: If equipped
The Automatic High Beam uses an in-vehicle camera sensor to
assess the brightness of streetl ights, the lights of vehicles
ahead etc., and automatically turns the high beam on or off as
necessary.
WARNING
■ Limitations of the Automatic High Beam
Do not rely on the Automatic High Beam. Always drive safely, ta king care to
observe your surroundings and turning the high beam on or off m anually if
necessary.
■ To prevent incorrect operation of the Automatic High Beam syste m
Do not overload the vehicle.
Activating the Automatic High Beam system
1
2

Page 264 of 828

264
PRIUS_OM_OM47C35U_(U)
4-3. Operating the lights and wipers
■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

Page 265 of 828

PRIUS_OM_OM47C35U_(U)
2654-3. Operating the lights and wipers
4
Driving
■High beam automatic turning on or off conditions
●When all of the following conditions are fulfilled, the high be am 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.
■ Camera sensor 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 curv es, 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 usin g 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 tu rn the high
beam on or off:
• The brightness of headlights, fog lights, and tail lights of v ehicles 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 r oad 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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266
PRIUS_OM_OM47C35U_(U)
4-3. Operating the lights and wipers
●In the situations shown below, the system may not be able to accurately
detect surrounding brightness levels. This may cause the low be ams 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 camera sensor is deformed or dirty.
• The camera sensor 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, d irty, 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 w inding
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 co ntainer 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 betwe en in
an abnormal manner.
• The driver believes that the high beam may be causing problems or dis-
tress to other drivers or pedestrians nearby.

Page 267 of 828

PRIUS_OM_OM47C35U_(U)
2674-3. Operating the lights and wipers
4
Driving
■Temporarily lowering sensor sensitivity
The sensitivity of the sensor can be temporarily lowered.
Turn the power switch off while the following conditions are me t.
• The headlight switch is in or .
• The headlight switch lever is in high beam position.
• Automatic High Beam switch is on.
Turn the power switch to ON mode.
Within 30 seconds after , repeat pulling the headlight switch l ever to the
original position then pushing it to the high beam position qui ckly 10 times,
then leave the lever in high beam position.
If the sensitivity is changed, the Automatic High Beam indicato r is turn on
and off 3 times.
Automatic High Beam (headlights) may turn on even the vehicle i s stopped.
■ If “Headlight System Malfunction Visit Your Dealer” is displaye d on the
multi-information display
The system may be malfunctioning. Have the vehicle inspected by your Toy-
ota dealer.
1
2
32
4

Page 268 of 828

268
PRIUS_OM_OM47C35U_(U)
4-3. Operating the lights and wipers
Fog light switch
Ty p e ATurns the fog lights off
Turns the fog lights on
: If equipped
The fog lights offer improved visibility in difficult driving c ondi-
tions, such as in rain and fog.
Operating instructions
1
2

Page 269 of 828

PRIUS_OM_OM47C35U_(U)
2694-3. Operating the lights and wipers
4
Driving
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.
1
2
NOTICE
■To prevent 12-volt battery discharge
Do not leave the lights on longer than necessary when the hybrid system is
off.

Page 270 of 828

270
PRIUS_OM_OM47C35U_(U)
4-3. Operating the lights and wipers
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
Wiper intervals can be adjusted when intermittent operation is
selected.
Operating the wiper lever
1
2
3
4
5
1
2
3
4
5

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