2018 TOYOTA YARIS Owners Manual

3936-1. Using the air conditioning system and defogger
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Interior features
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■Operation of the air conditioning system in Eco drive mode
In Eco drive mode, the air conditioning system is controlled as follows to pri-
oritize fuel efficiency:
● Heating/cooling capacity is restricted.
● Outside/recirculated air mode automatically switch depending on the tem-
perature setting or the inside temperature.
● Fan speed restricted when automatic mode is selected.
To improve air conditioning performance, perform the following operations:
● Adjust the fan speed or the setting temperature.
● Turn off Eco drive mode.
■ Using automatic mode
Fan speed is adjusted automatically according to the temperature setting and
the ambient conditions.
Therefore, the fan may stop for a while until warm or cool air is ready to flow
immediately after is pressed.
■ Fogging up of the windows
● The windows will easily fog up when the humidity in the vehicle is high.
Turning on will dehumidify the air from the outlets and defog the wind-
shield effectively.
● If you turn off, the windows may fog up more easily.
● The windows may fog up if the recirculated air mode is used.

3946-1. Using the air conditioning system and defogger
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■ Outside/recirculated air mode
● When driving on dusty roads such as tunnels or in heavy traffic, set the out-
side/recirculated air mode button to the recirculated air mode. This is effec-
tive in preventing outside air from entering the vehicle interior. During
cooling operation, setting the recirculat ed air mode will also cool the vehicle
interior effectively.
● Outside/recirculated air mode may automatically switch depending on the
temperature setting or the inside temperature.
■ When the outside temperature falls to nearly 0°C (32°F)
The dehumidification function may not operate even when is pressed.
■ When the indicator light on goes off by itself
Press to turn off the dehumidification function and turn it on again.
There may be a problem in the air condi tioning system if the indicator light
goes off again. Turn the air conditioning system off and have it inspected by
any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
■ Ventilation and air conditioning odors
● To let fresh air in, set the air conditioning system to the outside air mode.
● During use, various odors from inside and outside the vehicle may enter into
and accumulate in the air conditioning system. This may then cause odor to
be emitted from the vents.
● To reduce potential odors from occurring:
• It is recommended that the air conditioning system be set to outside air
mode prior to turning the vehicle off.
• The start timing of the blower may be delayed for a short period of time
immediately after the air conditioning system is started in AUTO mode.
■ Air conditioning filter
 P. 474
■ Customization
The air conditioning control of Eco drive mode can be changed to the same
setting as that used in normal drive mode.
(Customizable features P. 609)

3956-1. Using the air conditioning system and defogger
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Interior features
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WARNING
■To prevent the windshield from fogging up
● Do not use during cool air operation in extremely humid weather.
The difference between the temperature of the outside air and that of the
windshield can cause the outer surface of the windshield to fog up, block-
ing your vision.
■ To prevent burns (vehicles with outside rear view mirror defoggers)
Do not touch the outside surface of the rear view mirrors, as they can
become very hot and burn you.
NOTICE
■ To prevent 12-volt battery discharge
Do not leave the air conditioning syst em on longer than necessary when the
hybrid system is stopped.
● Do not place anything on the instrument
panel which may cover the air outlets.
Otherwise, air flow may be obstructed,
preventing the windshield defoggers
from defogging.

3966-1. Using the air conditioning system and defogger
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Seat heaters
: If equipped
WARNING
■Burns
● Use caution when seating the following persons in a seat with the seat
heater on to avoid the possibility of burns:
• Babies, small children, the elderly, the sick and the physically chal-
lenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping
drugs, cold remedies, etc.)
● Do not cover the seat with anything when using the seat heater.
Using the seat heater with a blanket or cushion increases the temperature
of the seat and may lead to overheating.
● Do not use the seat heater more than necessary. Doing so may cause
minor burns or overheating.
NOTICE
■ To prevent seat heater damage
Do not put heavy objects that have an uneven surface on the seat and do
not stick sharp objects (needles, nails, etc.) into the seat.
■ To prevent 12-volt battery discharge
Turn the seat heaters off when the hybrid system is off.

3976-1. Using the air conditioning system and defogger
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Interior features
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Turns on the front left seat
heater
Turns on the front right seat
heater
The indicator light comes on.
■ The seat heaters can be used when
Vehicles without a smart entry & start system
The power switch is in the “ON” position.
Vehicles with a smart entry & start system
The power switch is in ON mode.
■ When not in use
Turn the seat heater off.
Operating instructions
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3986-2. Using the interior lights
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Interior lights list
Off
Door position
On
Interior light ( P. 398)
Personal lights ( P. 399)
Footwell lights (if equipped)
Power switch light (vehicles with a smart entry & start system)
Interior light
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3996-2. Using the interior lights
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Interior features
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On
Off
■ Illuminated entry system
Vehicles without a smart entry & start system
The lights automatically turn on/off according to the power switch position,
whether the doors are locked/unloc ked, and whether the doors are opened/
closed.
Vehicles with a smart entry & start system
The lights automatically turn on/off according to power switch mode, the pres-
ence of the electronic key, whether the doors are locked/unlocked, and
whether the doors are opened/closed.
■ To prevent 12-volt battery from being discharged
If the following lights remain on when the door is not fully closed, the lights will
go off automatically after 20 minutes:
● Interior/personal lights (when the switch is in the door position)
● Luggage compartment light
● Power switch light (vehicles with a smart entry & start system)
● Footwell lights (if equipped)
■ Customization
Settings (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features P. 608)
Personal lights
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4006-3. Using the storage features
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List of storage features
Glove box (P. 401)
Cup holders ( P. 402)
Bottle holders ( P. 403)
Auxiliary box ( P. 403)
WARNING
■Items that should not be left in the storage spaces
Do not leave glasses, lighters or spray cans in the storage spaces, as this
may result in the following when cabin temperature becomes high:
● Glasses may be deformed by heat or cracked if they come into contact
with other stored items.
● Lighters or spray cans may explode. If they come into contact with other
stored items, the lighter may catch fire or the spray can may release gas,
causing a fire hazard.
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