Repair TOYOTA YARIS CROSS 2023 Owners Manual

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6-3. Do-it-yourself maintenance
Maintenance and care
■If the electronic key battery is depleted
The following symptoms may occur:
●The smart entry & start system (if equipped) and wireless remote control
will not function properly.
●The operational range will be reduced.
 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2032 (vehi-
cles without a smart entry & start
system), or CR2450 (vehicles
with a smart entry & start sys-
tem)
■Use a CR2032 (vehicles without a
smart entry & start system) or CR2450 (vehicles with a smart entry & start system) lithium bat-
tery
●Batteries can be purchased at any
authorized Toyota retailer or Toyota authorized repairer, or any reliable
NOTICE
●Do not install anything to the air intake vent other than the exclusive
filter for this vehicle or use the vehi- cle without the filter installed.
■If “Maintenance Required for Traction Battery Cooling Parts See Owner’s Manual” is dis-
played on the multi-information display
If the vehicle is continuously driven
with the warning message (indicating that charging/discharging of the hybrid battery [traction battery] may
become limited) displayed, the hybrid battery (traction battery) may mal-function. If the warning message is
displayed, clean the air intake vent immediately.
Wireless remote con-
trol/electronic key bat-
ter y
Replace the battery with a new
one if it is depleted.
As the key may be damaged if
the following procedure is not
performed properly, it is rec-
ommended that key battery
replacement be performed by
any authorized Toyota retailer
or Toyota authorized repairer,
or any reliable repairer.
Items to prepare

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6-3. Do-it-yourself maintenance
repairer, local electrical appliance
shops or camera stores.
●Replace only with the same or equiva-
lent type recommended by the manu- facturer.
●Dispose of used batteries according to local laws.
Vehicles without a smart entry &
start system
1 Remove the key cover.
To prevent damage to the key, cover the tip of the flathead screwdriver with a
rag.
2 Remove the battery cover.
Use a screwdriver of an appropriate size. Forcedly prying may cause the
cover damaged.
If the battery cover is difficult to remove, lift the edge to remove it.
3 Remove the depleted battery
using a small flathead screw-
driver.
When removing the battery, use a screwdriver of an appropriate size.
Insert a new battery with the “+” termi-
nal facing up.
4 Install the battery cover with the
tab facing up.
Push the entire edge of the battery
cover into the key.
5 Install the key cover.
Align the key cover with the key and then press it straight into the key.
Make sure that the key cover is securely installed without any gaps
Replacing the battery

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6-3. Do-it-yourself maintenance
Blown fuse
Type D
Normal fuse
Blown fuse
■After a fuse is replaced
●When installing the lid, make sure that the tab is installed securely.
●If the lights do not turn on even after the fuse has been replaced, a bulb
may need replacement. ( P.417)
●If the replaced fuse blows again, have
the vehicle inspected by any autho- rized Toyota retailer or Toyota autho-rized repairer, or any reliable repairer.
■If there is an overload in a circuit
The fuses are designed to blow, protect- ing the wiring harness from damage.
■When replacing light bulbs
Toyota recommends that you use genu-
ine Toyota products designed for this vehicle.Because certain bulbs are connected to
circuits designed to prevent overload, non-genuine parts of parts not designed for this vehicle may be unusable.
WARNING
■To prevent system breakdowns and vehicle fire
Observe the following precautions. Failure to do so may cause damage to the vehicle, and possibly a fire or
injury.
●Never use a fuse of a higher
amperage rating than that indi- cated, or use any other object in place of a fuse.
●Always use a genuine Toyota fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
●Do not modify the fuses or fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by any
authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer as soon as possible.

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6-3. Do-it-yourself maintenance
Maintenance and care
Check the wattage of the light bulb
to be replaced. ( P.492)
Front
Headlights (bulb type)
Front turn signal lights (bulb
type)
NOTICE
■When installing the fuse box cover (Engine compartment: type
A and type B fuse boxes)
Press the fuse box cover, when installing, after aligning all of the claw
positions. Otherwise, the claws may be damaged.
Light bulbs
You may replace the following
bulbs by yourself. The diffi-
culty level of replacement var-
ies depending on the bulb. As
there is a danger that compo-
nents may be damaged, we
recommend that replacement
is carried out by any autho-
rized Toyota retailer or Toyota
authorized repairer, or any reli-
able repairer.
Preparing for light bulb
replacement
Bulb locations

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6-3. Do-it-yourself maintenance
Rear
Back-up light (bulb type) (left-
hand drive vehicles)
License plate lights
Back-up light (bulb type) (right-
hand drive vehicles)
Rear turn signal lights (bulb
type)
■Lights that need to be
replaced by any authorized
Toyota retailer or Toyota
authorized repairer, or any reli-
able repairer
 Headlights (LED type)
 Front position lights
 Front turn signal lights (LED
type)
 Daytime running lights
 Side turn signal lights
 Tail lights
 Stop lights
 Back-up light (LED type)
 Rear fog light
 Rear turn signal lights (LED type)
 High mounted stoplight
■LED light bulbs
The lights other than the following lights
each consist of a number of LEDs. If any of the LEDs burn out, take your vehicle to any authorized Toyota retailer or
Toyota authorized repairer, or any reli- able repairer to have the light replaced.
●Headlights (bulb type)
●Front turn signal lights (bulb type)
●Rear turn signal lights (bulb type)
●License plate lights
●Back-up light (bulb type)
■Condensation build-up on the
inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not
indicate a malfunction. Contact any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer for more information in the fol- lowing situations:
●Large drops of water have built up on the inside of the lens.
●Water has built up inside the head-light.
■When replacing light bulbs
 P. 4 1 6
■Headlights (bulb type)
1 Unplug the connector.
Replacing light bulbs

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7
When trouble arises
When trouble arises
7-1. Essential information
Emergency flashers .......... 426
If your vehicle has to be
stopped in an emergency 426
If the vehicle is submerged or
water on the road is rising
....................................... 427
7-2. Steps to take in an emer-
gency
If your vehicle needs to be
towed .............................. 429
If you think something is wrong
....................................... 434
If a warning light turns on or a
warning buzzer sounds... 435
If a warning message is dis-
played ............................. 445
If you have a flat tire (vehicles
with an emergency tire punc-
ture repair kit) ................. 448
If you have a flat tire (vehicles
with a spare tire) ............. 459
If the hybrid system will not
start ................................ 468
If you lose your keys ......... 469
If the electronic key does not
operate properly (vehicles
with a smart entry & start sys-
tem) ................................ 470
If the 12-volt battery is dis-
charged .......................... 472
If your vehicle overheats... 477
If the vehicle becomes stuck
....................................... 480

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7-1. Essential information
opened from the inside due to
water pressure.
■Water level exceeds the floor
When the water level exceeds the floor and time has passed, the electrical
equipment will get damaged, the power windows will not operate, the engine and motor stop, and the vehicle may not
be able to get moving.
■Using an emergency escape ham-
mer*
Laminated glass is used in the wind- shield on this vehicle.Laminated glass cannot be shattered
with an emergency hammer*. Tempered glass is used in the windows on this vehicle.*: Contact any authorized Toyota retailer
or Toyota authorized repairer, or any
reliable repairer, or aftermarket acces-
sory manufacturer for further informa-
tion about an emergency hammer.
WARNING
■Caution while driving
Do not drive on roads where the roads may be submerged or the water
may be rising. Otherwise the vehicle may be damaged and cannot move, as well as become flooded and set a
drift, which may lead to death.

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7-2. Steps to take in an emergency
When trouble arises
7-2.Ste ps to take in an emerg ency
The following may indicate a prob-
lem with your transmission. Contact
any authorized Toyota retailer or
Toyota authorized repairer, or any
reliable repairer or commercial tow-
ing service before towing.
 The hybrid system warning mes-
sage is shown on the multi-infor-
mation display and the vehicle
does not move.
 The vehicle makes an abnormal
sound.
 From the front
2WD models
Release the parking brake.
Turn automatic mode off. ( P.201)
Do not open the driver door. If you open
the door, the parking brake automati-
cally locked.
When it is necessary to get out of the
vehicle with N range and parking brake
released
When getting out of the vehicle with N
range and parking brake released
( P.202).
AWD models
Use a towing dolly under the rear
wheels.
From the rear
If your vehicle needs to
be towed
If towing is necessary, we rec-
ommend having your vehicle
towed by any authorized
Toyota retailer or Toyota autho-
rized repairer, or any reliable
repairer or commercial towing
service, using a wheel-lift type
truck or flatbed truck.
Use a safety chain system for
all towing, and abide by all
state/provincial and local laws.
Situations when it is neces-
sary to contact dealers
before towing
Towing with a wheel-lift type
truck

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7-2. Steps to take in an emergency
Type B
3 Insert the towing eyelet into the
hole and tighten partially by
hand.
Type A
Type B
4 Tighten down the towing eyelet
securely using a wheel nut
wrench*1, 2 or hard metal bar.
*1: If equipped
*2: If your vehicles does not provide a
wheel nut wrench, you can purchase
it from any authorized Toyota retailer
or Toyota authorized repairer, or any
reliable repairer.
Typ e A
Typ e B
5 Securely attach cables or chains
to the towing eyelet.
Take care not to damage the vehicle body.
6 Enter the vehicle being towed
and start the hybrid system.
If the hybrid system does not start, turn the power switch to ON.
7 Shift the shift lever to N and
release the parking brake.
Turn automatic mode off. ( P.201)
Do not open the driver door. If you open
the door, the parking brake automati- cally locked.
When the shift lever cannot be shifted:
 P. 1 9 8

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7-2. Steps to take in an emergency
When trouble arises
■While towing
If the hybrid system is off, the power
assist for the brakes and steering will not function, making steering and brak-ing more difficult.
■Wheel nut wrench*1, 2
Wheel nut wrench is installed in luggage compartment. ( P.460)*1: If equipped
*2: If your vehicles does not provide a
wheel nut wrench, you can purchase
it from any authorized Toyota retailer
or Toyota authorized repairer, or any
reliable repairer.
WARNING
Observe the following precautions. Failure to do so may result in death or
serious injury.
■While towing
●When towing using cables or chains, avoid sudden starts, etc. which place excessive stress on the
towing eyelets, cables or chains. The towing eyelets, cables or chains may become damaged, bro-
ken debris may hit people, and cause serious damage.
●Do not turn the power switch off.There is a possibility that the steer-ing wheel is locked and cannot be
operated.
■Installing towing eyelets to the
vehicle
Make sure that towing eyelets are installed securely.
If not securely installed, towing eye- lets may come loose during towing.
NOTICE
■To prevent damage to the vehicle during emergency towing
Do not secure cables or chains to the suspension components.