2021 TOYOTA YARIS Owners Manual

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6-3. Do-it-yourself maintenance
Maintenance and care
3Press / to select “TPWS
setting” and then press .
4Press / to select “Identi-
fying Each Wheel & Position”.
Then press and hold until
the tire pressure warning light
blinks slowly 3 times.
Then a message will be displayed on
the multi-information display.
When registration is being performed,
the tire pressure warning light will blink
for approximately 1 minute then illumi-
nate and “--” will be displayed for the
inflation pressure of each tire on the
multi-information display.
5Drive straight (with occasional
left and right turns) at approxi-
mately 40 km/h (25 mph) or
more for approximately 10 to 30
minutes.
Registration is complete when the tire
pressure warning light turns off and the
inflation pressure of each tire is dis-
played on the multi-information display.
Registration may take longer than
approximately 1 hour in certain situa-
tions, such as when the vehicle is
stopped for a long time at traffic lights,
etc. (→P.337)
After registering the ID codes, make
sure to initialize the tire pressure warn-ing system. (→P.335)
■When registering ID codes
●Before performing ID code registra-
tion, make sure that no wheels with
tire pressure warning valve and trans-
mitters installed are near the vehicle.
●Make sure to initialize the tire pres-
sure warning system after registering
the ID codes. If the system is initial-
ized before registering the ID codes,
the initialized values will be invalid.
●As the tires will be warm when regis-
tration is completed, make sure to
allow the tires to cool before perform-
ing initialization.
■Canceling ID code registration
●To cancel ID code registration after it
has been started, turn the engine
switch off before driving the vehicle.
If the vehicle is driven after ID code
registration is started, to cancel regis-
tration, perform the ID code registra-
tion start procedure again and turn the
engine switch off before driving.
●If ID code registration has been can-
celed, the tire pressure warning light
will blink for approximately 1 minute
when the engine switch is turned to
ON mode and then illuminate. The tire
pressure warning system will be oper-
ational when the tire pressure warning
light turns off.
●If the warning light does not turn off
even after several minutes have
elapsed, ID code registration may not
have been canceled correctly. To can-
cel registration, perform the ID code
registration start procedure again and
then turn the engine switch off before
driving.
■If ID codes are not registered prop-
erly
●In the following situations, ID code
registration may take longer than
usual to be completed or may not be
possible. (Usually, the vehicle will
need to be driven for approximately

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6-3. Do-it-yourself maintenance
10 to 30 minutes to complete ID code
registration.)
If ID code registration is not complete
after driving for approximately 30 min-
utes, continue driving for a while.
• If the vehicle is driven on an unpaved
road, it may take longer than normal
to complete registration.
• If the vehicle is backed up while per-
forming registration, data collected
during registration will be cleared, and
it will take longer than normal to com-
plete.
• If the vehicle is driven in heavy traffic
or another situation where other vehi-
cles are driven close by, it may take
time for the system to recognize the
tire pressure warning valve and trans-
mitters of your vehicle over those of
other vehicles.
• If a wheel with a tire pressure warning
valve and transmitter installed is
inside or near the vehicle, registration
of the ID codes for the installed
wheels may not be possible.
If ID registration is not complete after
driving for approximately 1 hour, park
the vehicle in a safe place for approxi-
mately 20 minutes and then perform the
ID code registration procedure again.
●In the following situations, ID code
registration will not be started or was
not completed properly and the sys-
tem will not operate properly. Perform
the ID code registration procedure
again.
• If, when attempting to start ID code
registration, the tire pressure warning
light does not blink slowly 3 times.
• If, when the vehicle has been driven
for about 10 minutes after performing
ID code registration, the tire pressure
warning light blinks for approximately
1 minute and then illuminates.
●If ID code registration cannot be com-
pleted after performing the above pro-
cedure, contact any authorized Toyota
retailer or Toyota authorized repairer,
or any reliable repairer.
Your vehicle is equipped with tire
pressure warning system with the
function to have ID codes regis-
tered for a second wheel set, for
example a winter set, by any autho-
rized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer.
After registration of a second wheel
set, either of these two wheel sets
can be selected for usage with the
tire pressure warning system.
■Operating conditions for the
function
zThis function will perform the
change of wheel set only if a sec-
ond wheel set has been regis-
tered. If no second wheel set has
been registered, no change will
be made when selecting this
function in the menu.
zOnly a change between both
registered wheel set is possible,
mixing between these wheel sets
is not supported.
■How to change between wheel
sets
1Have the vehicle fitted with the
preferred wheel set.
2Press / (vertical display)
or / (horizontal display)
of the meter control switch to
select .
Selecting wheel set

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6-3. Do-it-yourself maintenance
Maintenance and care
3Press / (vertical display)
or / (horizontal display)
to select “Vehicle Settings” and
then press .
4Press / to select “TPWS
setting” and then press .
5Press / to select “Identi-
fying Each Wheel & Position”.
Then press and hold until
the tire pressure warning light
blinks slowly 3 times. Afterward,
turns on after flashing for 1 min-
ute.
After 2 minutes, registration of a second
wheel set is being performed. The tire
pressure warning light will turn off and
“--” will be displayed for the inflation
pressure of each tire on the multi-infor-
mation display.
6Initialize the tire pressure warn-
ing system. (→P.334)
If the tire inflation pressure settings for
the installed tire changes, initialization
operations are required, but if the same
tire inflation pressure, initialization is
not required.
7Drive straight (with occasional
left and right turns) at approxi-
mately 40 km/h (25 mph) or
more for approximately 10 to 30
minutes.
Registration of a second wheel set is
complete when the tire pressure warn-
ing light turns off and the inflation pres-
sure of each tire is displayed on the
multi-information display.

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6-3. Do-it-yourself maintenance
Tire inflation pressure is specified
on the label on the driver’s side
door frame as shown.
Left-hand drive vehicles
Right-hand drive vehicles
■Effects of incorrect tire inflation pressure
Driving with incorrect tire inflation pres- sure may result in the following:
●Reduced safety
●Damage to the drive train
●Reduced tire life due to wear
●Reduced fuel economy
●Reduced driving comfort and poor
handling
If a tire needs frequent inflating, have it checked by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
■Instructions for checking tire infla-tion pressure
When checking tire inflation pressure, observe the following:
●Check only when the tires are cold.If your vehicle has been parked for at least 3 hours or has not been driven
for more than 1.5 km or 1 mile, you will get an accurate cold tire inflation pressure reading.
●Always use a tire pressure gauge.It is difficult to judge if a tire is properly
inflated based only on its appearance.
●It is normal for the tire inflation pres-
sure to be higher after driving as heat is generated in the tire. Do not reduce
tire inflation pressure after driving.
●Passengers and luggage weight
should be placed so that the vehicle is balanced.
Tire inflation pressure
Make sure to maintain proper
tire inflation pressure. Tire
inflation pressure should be
checked at least once per
month. However, Toyota rec-
ommends that tire inflation
pressure be checked once
every two weeks. ( →P.417)
Tire-loading information
label
WARNING
■Proper inflation is critical to save
tire performance
Keep your tires properly inflated. If the tires are not properly inflated,
the following conditions may occur which could lead to an accident resulting in death or serious injury:
●Excessive wear

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6-3. Do-it-yourself maintenance
Maintenance and care
When replacing wheels, care
should be taken to ensure that they
are equivalent to those removed in
load capacity, diameter, rim width
and inset*.
Replacement wheels are available
at any authorized Toyota retailer or
Toyota authorized repairer, or any
reliable repairer.
*: Conventionally referred to as offset.
Toyota does not recommend using
the following:
z Wheels of different sizes or types
z Used wheels
z Bent wheels that have been
straightened
■When replacing wheels
The wheels of your vehicle are equipped with tire pressure warning valves and
transmitters that allow the tire pressure warning system to provide advance warning in the event of a loss in tire
inflation pressure. Whenever wheels are replaced, the tire pressure warning valves and transmitters must be
installed. ( →P.333)
WARNING
●Uneven wear
●Poor handling
●Possibility of blowouts resulting
from overheated tires
●Air leaking from between tire and
wheel
●Wheel deformation and/or tire dam-
age
●Greater possibility of tire damage
while driving (due to road hazards, expansion joints, sharp edges on the road, etc.)
NOTICE
■When inspecting and adjusting tire inflation pressure
Be sure to put the tire valve caps back
on. If a valve cap is not installed, dirt or moisture may get into the valve and
cause an air leak, resulting in decreased tire inflation pressure.
Wheels
If a wheel is bent, cracked or
heavily corroded, it should be
replaced. Otherwise, the tire
may separate from the wheel
or cause a loss of handling
control.
Wheel selection

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6-3. Do-it-yourself maintenance
■When removing the wheel orna-
ment (vehicles with a wheel cap clip)
Remove the wheel ornament using the
wheel cap clip*.*: The wheel cap clip is installed in the
glove box. ( →P.293)
zUse only Toyota wheel nuts and
wheel nut wrenches designed for
use with your aluminum wheels.
WARNING
■When replacing wheels
●Do not use wheels that are a differ- ent size from those recommended in the Owner’s Manual, as this may
result in a loss of handling control.
●Never use an inner tube in a leak-
ing wheel which is designed for a tubeless tire.Doing so may result in an accident,
causing death or serious injury.
■When installing the wheel nuts
●Be sure to install the wheel nuts with the tapered ends facing inward ( →P.394). Installing the nuts with
the tapered ends facing outward can cause the wheel to break and eventually cause the wheel to come
off while driving, which could lead to an accident resulting in death or serious injury.
●Never use oil or grease on the wheel bolts or wheel nuts.Oil and grease may cause the
wheel nuts to be excessively tight- ened, leading to bolt or disc wheel damage. In addition, the oil or
grease can cause the wheel nuts to loosen and the wheel may fall off, causing an accident and resulting in
death or serious injury. Remove any oil or grease from the wheel bolts or wheel nuts.
■Use of defective wheels prohib-ited
Do not use cracked or deformed wheels. Doing so could cause the tire to leak air during driving, possibly
causing an accident.
NOTICE
■Replacing tire pressure warning valves and transmitters
●Because tire repair or replacement may affect the tire pressure warning valves and transmitters, make sure
to have tires serviced by any autho- rized Toyota retailer or Toyota authorized repairer, or any reliable
repairer. In addition, make sure to purchase your tire pressure warn-ing valves and transmitters at any
authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer.
●Ensure that only genuine Toyota wheels are used on your vehicle.
Tire pressure warning valves and transmitters may not work properly with non-genuine wheels.
Aluminum wheel precau-
tions (if equipped)

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6-3. Do-it-yourself maintenance
Maintenance and care
zWhen rotating, repairing or
changing your tires, check that
the wheel nuts are still tight after
driving 1600 km (1000 miles).
zBe careful not to damage the
aluminum wheels when using
tire chains.
zUse only Toyota genuine balance
weights or equivalent and a plas-
tic or rubber hammer when bal-
ancing your wheels.1Turn the engine switch off.
2Open the glove box. Slide off
the damper.
3Push in the glove box on the
vehicle’s outer side to discon-
nect the 2 claws. Then pull out
the glove box and disconnect
the lower claws.Air conditioning filter
The air conditioning filter must
be changed regularly to main-
tain air conditioning efficiency.
Removing the air condition-
ing filter

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6-3. Do-it-yourself maintenance
4Pull out the glove box and dis-
connect the lower claws.
5Unlock the filter cover ( ), pull
the filter cover out of the claws
( ), and remove the filter
cover.
6Remove the filter (type A) or fil-
ter case (type B).
7Replace the air conditioning fil-
ter with a new one.
The “ UP” marks shown on the filter and the filter case should be pointing
up.
Typ e A
Replace the air conditioning filter.
Typ e B
Remove the air conditioning filter from
the filter case and replace it.
■Checking interval
Inspect and replace the air conditioning
filter according to the maintenance
schedule. In dusty areas or areas with
heavy traffic flow, early replacement
may be required. (For scheduled main-
tenance information, please refer to the
“Toyota Service Booklet” or “Toyota War-
ranty Booklet”.)
■If air flow from the vents decreases
dramatically
The filter may be clogged. Check the fil-
ter and replace if necessary.