2021 TOYOTA SIENNA HYBRID Owners Manual (in English)

2484-3. Operating the lights and wipers
4-3.Operating the lights and wipers
Operating the switch
turns on the lights as follows:U.S.A.
Canada
1 The side marker, park-
ing, tail, license plate, instru-
ment panel lights, and
daytime running lights
( P.248) turn on.
2 The headlights and all
lights listed above (except
daytime running lights) turn
on.
3 The headlights, daytime
running lights ( P.248) and
all the lights listed above turn
on and off automatically. 4
(U.S.A. only) Off
■AUTO mode can be used when
The power switch is in ON.
■Daytime running light system
●Vehicles without projector head-
lights (type A): The daytime run-
ning lights illuminate using the
same lights as the low beam
headlights and illu minate dimmer
than the low beam headlights.
●Vehicles without projector head-
lights (type B): The daytime run-
ning lights illuminate using the
same lights as the parking lights
and illuminate brighter than the
parking lights.
●Vehicles with projector headlights:
The daytime runn ing lights illumi-
nate using the same lights as the
parking lights and illuminate
brighter than the parking lights.
●To make your vehicle more visible
to other drivers during daytime
driving, the daytime running lights
turn on automatically when all of
the following conditions are met.
(The daytime running lights are
not designed for use at night.)
• The hybrid system is operating
• The parking brake is released
• The headlight switch is in the
or
* position
• The fog lights are not illuminated
*: When the surroundings are bright
The daytime running lights remain
on after they illumi nate, even if the
parking brake is set again.
●For the U.S.A.: Daytime running
lights can be turned off by operat-
ing the switch.
●Compared to turning on the head-
lights, the daytime running light
system offers greater durability
and consumes less electricity, so
it can help improve fuel economy.
Headlight switch
The headlights can be oper-
ated manually or automati-
cally.
Turning on the headlights
A
B

2494-3. Operating the lights and wipers
4
Driving
■Headlight control sensor
The sensor may not function prop-
erly if an object is placed on the sen-
sor, or anything that blocks the
sensor is affixed to the windshield.
Doing so interfere s with the sensor
detecting the level of ambient light
and may cause the automatic head-
light system to malfunction.
■Automatic light off system
●When the headlights are on: The
lights turn off 30 seconds after the
power switch is turned to ACC or
OFF and a door is opened and
closed. (The lights turn off imme-
diately if on the key is
pressed after all the doors are
closed.)
●When only the tail lights are on:
The tail lights turn off automati-
cally if the power switch is turned
to ACC or OFF and the driver’s
door is opened.
Except for Canada: To turn the
lights on again, turn the power
switch to ON, or turn the light switch
off once and the n back to or
position.
For Canada: To turn the lights on
again, turn the power switch to ON,
or turn the light s witch to once
and then back to or posi-
tion.
■Light reminder buzzer
A buzzer sounds when the power
switch is turned to ACC or OFF and
the driver’s door is opened while the
lights are turned on.
■Windshield wiper linked head-
light illumination (if equipped)
When driving during daytime with
the headlight switch turned to , if
the windshield wipers are used, the
headlights will turn o n automatically
after several se conds to help
enhance the visibility of your vehi-
cle.
■12-volt battery-saving function
In order to prevent the 12-volt bat-
tery of the vehicle from discharging,
if the headlights and/or tail lights are
on when the power switch is turned
to OFF, the battery saving function
will operate and au tomatically turn
off all the lights af ter approximately
20 minutes.
When any of the following are per-
formed, the battery-saving function
is canceled once and then reacti-
vated. All the light s will turn off auto-
matically 20 minutes after the
battery-saving function has been
reactivated:
●When the headlight switch is oper-
ated
●When a door is opened or closed
■If “Headlight System Malfunc-
tion Visit Your Dealer” is dis-
played on the multi-information
display
The system may be malfunctioning.
Have the vehicle inspected by your
Toyota dealer.
■Welcome light illumination con-
trol
The parking lights and tail lights
automatically turn on at night when
the doors are un locked using the
entry function or wireless remote
control if the light switch is in the
position.
■Customization
Settings (e.g. light sensor sensitiv-
ity) can be changed.
(Customizable features: P.548)

2504-3. Operating the lights and wipers
1With the headlights on, push
the lever away from you to
turn on the high beams.
Pull the lever toward you to the
center position to turn the high
beams off.
2Pull the lever toward you and
release it to flash the high
beams once.
You can flash the high beams with
the headlights on or off.1 Press the Automatic High
Beam switch.
NOTICE
■To prevent 12-volt battery dis-
charge
Do not leave the lights on longer
than necessary when the hybrid
system is not running.
Turning on the high beam
headlights
AHB (Automatic High
Beam)
The Automatic High Beam
uses an in-vehicle front
camera to assess the bright-
ness of streetlights, the
lights of vehicles ahead etc.,
and automatically turns the
high beam on or off as nec-
essary.
WARNING
■Limitations of the Automatic
High Beam
Do not overly rely on the Auto-
matic High Beam. Always drive
safely, taking care to observe
your surroundings and turning the
high beam on or off manually if
necessary.
■To prevent incorrect opera-
tion of the Automatic High
Beam system
Do not overload the vehicle.
Activating the Automatic
High Beam system

2514-3. Operating the lights and wipers
4
Driving
2Turn the headlight switch to
the or position.
The Automatic High Beam indicator
will come on when the system is
operating.
■High beam automatic turning
on or off conditions
●When all of the following condi-
tions are fulfille d, the high beam
will be automatica lly turned on
(after approximately 1 second):
• Vehicle speed is above approxi-
mately 21 mph (34 km/h) 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 h igh beam will be
automatically 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 infor-
mation
●The high beam may not be auto-
matically turned off in the following
situations:
• When oncoming vehicles sud-
denly 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 a wide road
• When vehicles ahead have no lights
●The high beam ma y 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 fact ors may affect
the amount of time taken to turn
the high beam on or off:
• The brightness of headlights, fog
lights, and tail lig hts 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 (gradi-
ent, curve, condition of the road
surface etc.)
• The number of passengers and
amount of luggage
●The high beam ma y be turned on
or off when the d river does not
expect it.
●Bicycles or similar objects may not
be detected.
●In the situations shown below, the
system may not be able to accu-
rately detect surrounding bright-
ness 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

2524-3. Operating the lights and wipers
fog, mist, ice, dirt, etc.
• The windshield is cracked or dam- aged
• The front camera is deformed or
dirty
• When the temperature of the front
camera is extremely high
• Surrounding brightness levels are equal to those of h eadlights, tail
lights or fog lights
• When headlights or tail lights of vehicles ahead are turned off,
dirty, changing color, or not aimed
properly
• When the vehicle is hit by water,
snow, dust, etc. fr om a preceding
vehicle
• When driving thr ough 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 roads,
etc.)
• When frequently and repeatedly
taking curves or driving on a wind-
ing road
• There is a highly reflective object
ahead of the vehicle, such as a
sign or mirror
• The back of a vehicle ahead is
highly reflective, such as a con-
tainer on a truck
• The vehicle’s headlights are dam-
aged or dirty, or are not aimed
properly
• The vehicle is listing or titling 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 distress to other drivers or
pedestrians nearby
■Temporarily lowering sensor
sensitivity
The sensitivity of the sensor can be
temporarily lowered. 1
Turn the power s witch off while
the following conditions are met.
●The headlight switch is in or
position.
●The headlight switch lever is in the
original position.
●Automatic High Beam switch is
on.
2 Turn the power switch to ON.
3 Within 60 seconds after step 2,
repeat pushing the headlight
switch lever to the high beam
position then pulling it to the orig-
inal position quickly 10 times,
then leave the lever in the origi-
nal position.
4 If the sensitivity is changed, the
Automatic High Beam indicator
turns on and off 3 times.
■Switching to the high
beams
Push the lever away from you.
The Automatic High Beam indicator
will turn off and the headlight high
beam indicator will turn on.
Pull the lever to its original position
to activate the Automatic High
Beam system again.
■Switching to the low beams
Press the Automatic High Beam
Turning the high beam
on/off manually

2534-3. Operating the lights and wipers
4
Driving
switch.
The Automatic High Beam indicator
will turn off.
Press the switch to activate the
Automatic High Beam system
again.
■Temporarily switching to
the low beams
Pull the lever toward you and
then return it to its original posi-
tion.
The high beams are on while the
lever is pulled toward you, how-
ever, after the lever is returned to
its original position, the low beams
remain on for a certain amount of
time. Afterwards, the Automatic
High Beam will be a ctivated again.
■Temporarily switching to the
low beams
It is recommended to switch to the
low beams when the high beam
may cause problems or distress to other drivers or
pedestrians nearby.

2544-3. Operating the lights and wipers
*: If equipped
1*1 or *2 Turns the
fog lights off
2 Turns the fog lights on
*1: For the U.S.A.
*2: For Canada
■Fog lights can be used when
The parking lights are on or the
headlights are on in low beam.
Operating the lever oper-
ates the wipers or washer as fol-
lows:
Intermittent windshield wipers
1
*1 or *2 Off
2
*1 or *2 Intermittent
operation
3
*1 or *2 Low speed
operation
Fog light switch*
The fog lights offer
improved visibility in diffi-
cult driving conditions,
such as in rain and fog.
Operating procedure
NOTICE
■To prevent 12-volt battery dis-
charge
Do not leave the lights on longer
than necessary when the hybrid
system is off.
Windshield wipers and
washer
Operating the lever can
switch between automatic
operation and manual oper-
ation, or can use the
washer.
NOTICE
■When the windshield is dry
Do not use the wipers, as they
may damage the windshield.
Operating the wiper lever

2554-3. Operating the lights and wipers
4
Driving
4*1 or *2 High speed
operation
5
*1 or *2 Temporary
operation
*1: For the U.S.A.
*2: For Canada
If equipped, 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 dual
operation
Pulling the lever o perates the wip-
ers and washer.
The wipers will au tomatically oper-
ate a couple of times after the
washer squirts.
Rain-sensing windshield wip-
ers
1
*1 or *2 Off
2 Rain-sensing opera-
tion
3
*1 or *2 Low speed
operation
4
*1 or *2 High speed
operation
5
*1 or *2 Temporary
operation
*1: For the U.S.A.
*2: For Canada
When “AUTO” is selected, the wip-
ers 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 “AUTO” is
selected.