2021 TOYOTA YARIS Owners Manual

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4-5. Using the driving support systems
Driving
WARNING
■Handling of tires and the suspen- sion
Using tires with any kind of problem or modifying the suspension will affect the driving assist systems, and may
cause a system to malfunction.
■Trailer Sway Control precaution
The Trailer Sway Control system is not able to reduce trailer sway in all situations. Depending on many fac-
tors such as the conditions of the vehicle, trailer, road surface and driv-ing environment, the Trailer Sway
Control system may not be effective. Refer to your trailer owner’s manual for information on how to tow your
trailer properly.
■If trailer sway occurs
Observe the following precautions. Failing to do so may cause death or serious injury.
●Firmly grip the steering wheel. Steer straight ahead. Do not try to
control trailer sway by turning the steering wheel.
●Begin releasing the accelerator pedal immediately but very gradu-ally to reduce speed.
Do not increase speed. Do not apply vehicle brakes.
If you make no extreme correction with the steering or brakes, your vehi-cle and trailer should stabilize.
( →P.152)
■Secondary Collision Brake
Do not rely solely upon the Secondary Collision Brake. This system is designed to help reduce the possibil-
ity of further damage due to a second- ary collision, however, that effect changes according to various condi-
tions. Overly relying on the system may result in death or serious injury.

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4-6. Driving tips
4-6.Driving tips
zUse fluids that are appropriate to
the prevailing outside tempera-
tures.
• Engine oil
• Engine coolant
• Washer fluid
z Have a service technician
inspect the condition of the bat-
tery.
z Have the vehicle fitted with four
snow tires or purchase a set of
tire chains for the front tires.
Ensure that all tires are the same size
and brand, and that chains match the
size of the tires.
Winter driving tips
Carry out the necessary prepa-
rations and inspections before
driving the vehicle in winter.
Always drive the vehicle in a
manner appropriate to the pre-
vailing weather conditions.
Pre-winter preparations
WARNING
■Driving with snow tires
Observe the following precautions to
reduce the risk of accidents. Failure to do so may result in a loss of vehicle control and cause death or
serious injury.
●Use tires of the size specified.
●Maintain the recommended level of air pressure.
●Do not drive at speeds in excess of the speed limit or the speed limit specified for the snow tires being
used.
●Use snow tires on all, not just some
wheels.
■Driving with tire chains
Observe the following precautions to reduce the risk of accidents.Failure to do so may result in the vehi-
cle being unable to be driven safely, and may cause death or serious injury.
●Do not drive in excess of the speed limit specified for the tire chains
being used, or 50 km/h (30 mph), whichever is lower.
●Avoid driving on bumpy road sur-faces or over potholes.
●Avoid sudden acceleration, abrupt steering, sudden braking and shift-ing operations that cause sudden
engine braking.
●Slow down sufficiently before enter-
ing a curve to ensure that vehicle control is maintained.
●Do not use LTA (Lane Tracing Assist) system. (if equipped)
●Do not use LDA (Lane Departure Alert with steering control) system. (if equipped)
NOTICE
■Repairing or replacing snow tires
Request repairs or replacement of snow tires from any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer or legitimate tire retailers.
This is because the removal and attachment of snow tires affects the operation of the tire pressure warning
valves and transmitters.

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4-6. Driving tips
Driving
Perform the following according to
the driving conditions:
zDo not try to forcibly open a win-
dow or move a wiper that is fro-
zen. Pour warm water over the
frozen area to melt the ice. Wipe
away the water immediately to
prevent it from freezing.
zTo ensure proper operation of
the climate control system fan,
remove any snow that has accu-
mulated on the air inlet vents in
front of the windshield.
zCheck for and remove any
excess ice or snow that may
have accumulated on the exte-
rior lights, vehicle’s roof, chassis,
around the tires or on the brakes.
zRemove any snow or mud from
the bottom of your shoes before
getting in the vehicle.
Accelerate the vehicle slowly, keep
a safe distance between you and
the vehicle ahead, and drive at a
reduced speed suitable to road
conditions.
zPark the vehicle and shift the
shift lever to P (Multidrive), or 1
or R (manual transmission) with-
out setting the parking brake.
The parking brake may freeze up, preventing it from being
released. If the vehicle is parked
without setting the parking brake,
make sure to block the wheels.
Failure to do so may be danger-
ous because it may cause the
vehicle to move unexpectedly,
possibly leading to an accident.
zVehicles with a Multidrive: If the
vehicle is parked without setting
the parking brake, confirm that
the shift lever cannot be moved
out of P
*.
*: The shift lever will be locked if it is
attempted to be shifted from P to any
other position without depressing the
brake pedal. If the shift lever can be
shifted from P, there may be a prob-
lem with the shift lock system. Have
the vehicle inspected by any autho-
rized Toyota retailer or Toyota autho-
rized repairer, or any reliable repairer
or legitimate tire retailers immedi-
ately.
Use the correct tire chain size when
mounting the tire chains.
Chain size is regulated for each tire
size.
Before driving the vehicle
When driving the vehicle
When parking the vehicle
Selecting tire chains

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4-6. Driving tips
Side chain (3 mm [0.12 in.] in
diameter)
Cross chain (4 mm [0.16 in.] in
diameter)
Regulations regarding the use of
tire chains vary depending on loca-
tion and type of road. Always check
local regulations before installing
chains.
■Tire chain installation
Observe the following precautions when
installing and removing chains:
●Install and remove tire chains in a safe
location.
●Install tire chains on the front tires
only. Do not install tire chains on the rear tires.
●Install tire chains on the front tires as tightly as possible. Retighten chains after driving 0.5 ⎯1.0 km (1/4⎯1/2
mile).
●Install tire chains following the instruc-
tions provided with the tire chains.
Regulations on the use of
tire chains
NOTICE
■Fitting tire chains
The tire pressure warning valves and
transmitters may not function cor- rectly when tire chains are fitted.

5
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5
Interior features
Interior features
5-1. Using the air conditioning
system and defogger
Manual air conditioning system
....................................... 278
Automatic air conditioning sys-
tem ................................. 283
Heated steering wheel/seat
heaters ........................... 289
5-2. Using the interior lights
Interior lights list................ 291
5-3. Using the storage features
List of storage features ..... 293
Luggage compartment features
....................................... 295
5-4. Other interior features
Other interior features....... 299

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5-1. Using the air conditioning system and defogger
5-1.Using the a ir c onditioning sys te m and de fog ger
*: If equipped
The illustrations below are for left-hand drive vehicles.
The button positions and shapes will differ for right-hand drive vehicles.
The display and button positions will differ depending on the type of the
system.
Type A
Temperature control dial
Recirculated air mode/outside air mode dial
Airflow mode control dial
Rear window defogger switch
Rear window defogger and outside rear view mirror defoggers switch (if
equipped)
Fan speed control knob
“A/C” switch
Manual air conditioning system*
Air conditioning controls

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5-1. Using the air conditioning system and defogger
Interior features
Type B
Temperature control dial
Fan speed control dial
Airflow mode control dial
Rear window defogger switch
Rear window defogger and outside rear view mirror defoggers switch (if
equipped)
Recirculated air mode/outside air mode switch
“A/C” switch
■Adjusting the temperature set-
ting
To adjust the temperature setting,
turn the temperature control dial
clockwise (warm) or counterclock-
wise (cool).
If “A/C” switch is not pressed, the sys-
tem will blow ambient temperature air
or heated air.
■Fan speed setting
To adjust the fan speed, turn the
fan speed control dial or knob
clockwise (increase) or counter-
clockwise (decrease).
Turning the dial or knob to
turns off the fan.
■Change the airflow mode
To select the air outlets, set the air
outlet selector dial to the desired
position.
The positions between the air outlet
selectors can also be selected for more
delicate adjustment.
1 Upper body
2 Upper body and feet

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5-1. Using the air conditioning system and defogger
3Feet
4 Feet and the windshield defog-
ger operates
5 The windshield defogger oper-
ates
■Switching between outside air
and recirculated air modes
Type A
z To change to recirculated air
mode, turn the outside/recircu-
lated air mode dial to .
z To change to outside air mode,
turn the outside/recirculated air
mode dial to .
Type B
Press the outside/recirculated air
mode switch.
The mode switches between outside air
mode and recirculated air mode modes
each time the switch is operated.
When recirculated air mode is selected,
the indicator illuminates on the out-
side/recirculated air mode switch.
■Set cooling and dehumidifica-
tion function
Press the “A/C” switch.
When the function is on, the indicator
illuminates on the “A/C” switch.
■Defogging the windshield
Defoggers are used to defog the
windshield and front side windows.
Set the outside/recirculated air mode
dial to .
Perform the following operations
accordingly:
z To adjust the fan speed, turn the
fan speed control dial.
z To adjust the temperature set-
ting, turn the temperature control
dial.
z If the dehumidification function is
not operating, press “A/C” switch
to operate the dehumidification
function.
To defog the windshield and the side
windows early, turn the air flow and
temperature up.
■Defogging the rear window
and outside rear view mirrors
(if equipped)
Vehicles without outside rear
view mirror defoggers
A defogger is used to defog the
rear window.
Press the rear window defogger
switch.
The defogger will automatically turn off
after a while.
When the rear window defogger switch
is on, the indicator illuminates on the
rear window defogger switch.
Vehicles with outside rear view
mirror defoggers
Defoggers are used to defog the
rear window, and to remove rain-
drops, dew and frost from the out-
side rear view mirrors.