2023 SUBARU SOLTERRA heating

4006-1. Using the air conditioning system and defogger
Owners Manual_USA_M42C01_en
6-1.Using the air conditioning system and defogger
*: if equipped
Press the ALL AUTO (“ECO”)
switch
The indicator on the ALL AUTO
(“ECO”) switch illuminates, and the
automatic air conditioning system,
seat heaters
* and ventilators*, and
heated steering wheel
* operate in
automatic mode.
If any of the system is operated
manually, the indicator turns off.
However, all other functions con-
tinue to operate in automatic mode.
Even if ALL AUTO (“ECO”) control
is turned off, the air conditioner,
seat heater/ventilator, and steering
heater will not be turned off.
If the front window glass becomes cloudy due to a drop in the outside
air temperature while the ALL
AUTO (“ECO”) control is operating,
you can remove the cloudiness by
pressing the AUTO switch on the
air conditioner control panel.
*: If equipped
■Automatic air conditioning
system (
P.402)
The temperature can be
adjusted independently for each
seat.
■Seat heaters (if equipped)
and ventilators (if
equipped) ( P. 4 1 1 )
Heating or ventilation is auto-
matically selected according to
the set temperature of the air
conditioning system, the out-
side temperature, etc.
■Heated steering wheel (if
equipped) ( P. 4 1 1 )
Heated steering wheel operates
automatically according to the
set temperature of the air condi-
tioning system, the outside tem-
perature, etc.
■Passenger detection functions
When a passenger is detected in
the front passenger seat, the seat
heater and ventila tor will operate
automatically.
■Seat heater (if equipped)/venti-
lator (if equipped) operation
If the seat heater/ventilator switch is
set to auto, it will operate without
performing the passenger detection.
ALL AUTO (“ECO”)
control
The seat heaters*, seat ven-
tilators
* and heated steer-
ing wheel
* are each
automatically controlled
according to the set tem-
perature of the air condi-
tioning system, the outside
and cabin temperature, etc.
ALL AUTO (“ECO”) con-
trols the power consump-
tion in order to both extend
the cruising range and
maintain comfortable condi-
tions.
Turning on ALL AUTO
(“ECO”) control
Operation of each system

4136-1. Using the air conditioning system and defogger
Owners Manual_USA_M42C01_en
6
Interior features
■The seat heaters can be used
when
The power swit ch is in ON.
Turns the seat ventilators on/off
Each time the switch is pressed,
the operation condition changes as
follows.
AUTO (lit)  Hi (3 segments lit) 
Mid (2 segments lit)  Lo (1 seg-
ment lit)  Off
The AUTO indicator and/or level
indicator illuminates during
operation.
■The seat ventilators can be
used when
The power switch is in ON.
■Air conditioning system-linked
control mode
When the seat ventilator fan speed
level is Hi, the seat ventilator fan
speed becomes higher according to
the fan speed of the air conditioning
system.
Front passenger’s side radi-
ant heater
Driver’s side radiant heater
Turns the radiant heater on/off
Each time the switch is pressed,
the operation condition changes as
WARNING
■To prevent causes of over-
heating and minor burn inju-
ries
Observe the following precautions
when using a seat heater
●Do not cover the seat with a
blanket or cushion when using
the seat heater.
●Do not use seat heater more
than necessary.
Seat ventilators (front
seats)
Radiant heaters

4146-1. Using the air conditioning system and defogger
Owners Manual_USA_M42C01_enfollows.
Hi (3 segments lit) 
Mid (2 seg-
ments lit)  Lo (1 segment lit) 
Off
The level indicator illuminates
during operation.
■The radiant heater can be used
when
The power swit ch is in ON.
●The power may be turned off auto-
matically be continually touching
the heater section. In that case,
turn the radiant heater switch on
again.
●It may take some time for the
heater temperature to rise.
WARNING
■To prevent causes of over-
heating and minor burn inju-
ries
Observe the following precautions
when using a radiant heater
●Do not use radia nt heater more
than necessary.
●Do not let blank ets, cushions,
luggage, etc., to touch the radi-
ant heater. Do not use.
■Use while driving
Do not touch the radiant heater or
hold your hand or foot over it by
releasing a hand from the handle
or a foot from the pedal.
Doing so may cause the driver to
mishandle the vehicle and cause
an accident, resulting in death or
serious injury.
NOTICE
■To prevent damage to the
radiant heater
Do not pierce with uneven objects
or sharp objects such as wires or
needles.

4346-4. Using the other interior features
Owners Manual_USA_M42C01_en
■The wireless charger can be
operated when
The power switch i s in ACC or ON.
■Portable devices that can be
charged
●Portable devices compatible with
the Qi wireless charging standard
can be charged by the wireless
charger. However, compatibility
with all devices which meet the Qi
wireless charging standard is not
guaranteed.
●The wireless charger is designed
to supply low power electricity (5
W or less) to a cellular phone,
smartphone, or other portable
device.
●Failure to do so may result in the
possibility of fire, However, porta- ble devices, such as the following,
can be charged with more than 5
W.
• 7.5 W charging compatible iPhones can be charged at 7.5 W
or less.
• Portable devices which conform to WPC Ver 1.2.4 (Extended Power
profile) can be charged at 10 W or
less.
■When covers and accessories
are attached to portable devices
Do not charge in situations where
cover and accessories not able to
handle Qi are attached to the porta-
ble device. Depending on the type
of cover (including for certain genu-
ine manufacturer parts) and acces-
sory, it may not be possible to
charge.
When charging is not performed
Orange (Repeat- edly flashes 3
times continu- ously)
Gray
Foreign substance detection:
A metallic foreign substance is in
the charge area, and so the abnor-
mal heating prevention function of
the charging coil operated
Remove the foreign substance
from the charge area.
Portable device misaligned:
The charging coil in the porta-
ble device moved outside of the
charge area, and so the abnor-
mal heating prevention function
of the charging coil operated
Orange (Repeat-
edly flashes 4
times continu- ously)
Gray
Safety shutdown resulting when
the temperature within the wire-
less charger exceeded the set
value
Stop charging, remove the por-
table device from the charging
tray, wait for the temperature to
drop, and then start charging
again.
Operation indica-
tor lightMultimedia sys-tem screenSuspected causes/Handling method

4376-4. Using the other interior features
Owners Manual_USA_M42C01_en
6
Interior features
Fold down the armrest for use.
The coat hooks are provided
with the rear assist grips.
NOTICE
• A heating pad
• CDs, DVDs or other media
• A metal accessory
• A case or cover made of metal
●Electric wave type wireless
remote controls are being used
nearby
●The electronic key is not inside
the vehicle
●2 or more portable devices are
placed on the charging tray at
the same time
If charging is abnormal or the
operation indicator light contin-
ues to flash for any other reason,
the wireless charger may be mal-
functioning. Contact your Toyota
dealer.
■To prevent malfunctions and
data corruptions
●When charging, bringing a
credit, or other magnetic card,
or magnetic storage media
close to the charge area may
clear any stored data due to
magnetic influence. Also, do not
bring a wristwatch or other pre-
cision instrument close to the
charge area since doing so may
cause it to malfunction.
●Do not charge with a non-con-
tact IC card such as a transpor-
tation system IC card inserted
between the charging side of a
portable device and the charge
area. The IC chip may become
extremely hot and damage the
portable device or IC card. Be
especially careful not to charge
a portable device inside a case
or cover with a non-contact IC
card attached.
●Do not leave portable devices
inside the vehicle. The inside of
the vehicle can become hot in
extreme heat, which could
cause a malfunction.
■If the smartphone OS has
been updated
If the smartphone OS has been
updated to a newer version, its
charging specifications may have
changed significantly.
For details, check the information
on the manufacturer’s website.
■To prevent 12-volt battery dis-
charge
Do not use the wireless charger
for a long period of time when the
EV system is stopped.
Armrest
NOTICE
■To prevent damage to the
armrest
Do not apply too much load on the
armrest.
Coat hooks

5458-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
8
When trouble arises1 Stop the vehicle in a safe
place and turn off the air con-
ditioning system.
2 Leave the EV system operat-
ing and carefully lift the hood.
3 Check if the cooling fan is
operating.
If the fan is operating:
Wait until the “EV System
overheated Output power
reduced” message disap-
WARNING
■When replacing the 12-volt
battery
●When the vent plug is close to
the hold down cl amp, the bat-
tery fluid (acid) may leak.
●For information regarding bat-
tery replacement, contact your
Toyota dealer.
NOTICE
■When handling jumper cables
When connecting the jumper
cables, ensure that they do not
become entangled in the cooling
fan.
If your vehicle over-
heats
When “EV System over-
heated Output power
reduced” is shown on the
multi-information display,
your vehicle may be over-
heating.
NOTICE
■Cooling system coolant
The radiator coolant is exclusive
for radiator usage. Damage may
occur when water or any other
type of coolant is used, so never
use any other fluid. When there is
no “Toyota Genuine Traction Bat-
tery Coolant”, immediately contact
your Toyota dealer.
Correction procedures

600Alphabetical Index
Owners Manual_USA_M42C01_en
Coat hooks .............................. 437
Console box ............................ 419
Coolant Capacity ............................... 552
Checking ...................... 465, 467
Preparing and c hecking before
winter.................................. 393
Cooling system EV system overheating ........ 545
Coussins gonflables Modification et é limination en fin
de vie des coussins gonflables ........................................... 589
Précautions avec les coussins gonflables latéraux ............. 585
Précautions avec les coussins gonflables latéraux et rideau........................................... 585
Précautions avec les coussins gonflables pour votre enfant........................................... 585
Précautions avec les coussins gonflables rideau ................ 585
Précautions générales avec les coussins gonflables ............ 585
Cruise control Dynamic radar cruise control................................... 288, 296
Warning lights....................... 517
Cup holders ............................ 419
Current Power consumption . 157
Curtain shield airbags ............. 34
Customizable features ........... 566
D
Daytime running light system248
Daytime running lights Replacing light bulbs ............ 502
DC charging ............................ 113
Deck board .............................. 422
Deck under tray ...................... 423
Defogger Outside rear view mirrors .....404
Rear window.........................404
Windshield ............................403
Digital key................................165
Digital Rear-view Mirror .........201
Dimension ...............................550
Dinghy towing .........................230
Display Charging101, 121, 129, 131, 140
Cruise control .......................297
Dynamic radar cruise control 291
Intuitive parking assist ..........312
Multi-information display.......155
Pedestrians Rear of the Vehicle ...........................................340
RCD (Rear Camera Detection) ...........................................328
Rear Camera Detection (RCD) ...........................................328
Warning message.................522
Do-it-yourself maintenance .455, 460
Door lock Back door .............................172
Side doors ............................167
Smart key system .................187
Wireless remote control........164
Door trim ornament lights .....415
Doors Automatic door locking and unlocking system ................171
Back door .............................172
Door glasses ........................212
Door lock ..............................167
Open door warning buzzer ...170
Outside rear view mirrors .....210
Rear door child-protectors ....171
Side doors ............................167
Drive distance .........................158
Drive information ....................158
Drive-start control ..................224
Driving .....................................219

602Alphabetical Index
Owners Manual_USA_M42C01_en
............................................. 74
Battery Electric Vehicle driving tips........................................ 81
Brake Override System ........ 220
Drive-start control ................. 224
Driving range .......................... 83
Electric Vehicle system precau- tions...................................... 76
Emergency shut off system .... 80
Features ................................. 72
How to start the EV system .. 231
How to use AC charging....... 105
How to use DC charging ...... 113
If the EV system will not start537
If your vehicle has to be stopped in an emergency................. 505
Ignition switch (power switch) ........................................... 231
Overheating.......................... 545
Power meter ......................... 152
Power switch ........................ 231
Regenerative braking ............. 73
Starting the EV system......... 231
Event data recorder (EDR)......... 9
F
Flat tire .................................... 527 Tire pressure warning system........................................... 474
Floor mats ................................. 26
Fluid Brake .................................... 554
Front eAxle ........................... 554
Rear eAxle ........................... 554
Washer ................................. 471
Fog light Replacing light bulbs ............ 502
Footwell lights ..... ................... 415
Front eAxle Fluid ..................................... 554
Front electric mo tor (traction
motor) Specification .........................551
Front fog light Replacing light bulbs ............502
Front interior lig hts ................416
Front passenger occupant clas- sification system ....................44
Front seat concentrated airflow mode (S-FLOW) ....................408
Front seats ..............................192 Adjustment ...........................192
Cleaning ...............................451
Correct driving posture ...........27
Head restraints .....................196
Seat heaters ......................... 411
Seat ventilators..................... 411
Front side marker lights.........248 Light switch...........................248
Front turn signal lights Replacing light bulbs ............502
Turn signal lever ...................242
Fuses .......................................499
G
Garage door opene r ...............439
Gauges ....................................152
Grip Control ............................385
H
Head restraints .......................196
Headlights ...............................248 Automatic High Beam (AHB) 250
Light switch...........................248
Replacing light bulbs ............502
Headlights aim ........................501 Headlight aim instructions for Canadian owners ...............590
Heated steering wheel............ 411
Heater system Capacity ...............................553