2021 TOYOTA YARIS CROSS change key battery

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YARIS CROSS Owner's Manual_Europe_M52K60_en
3-2. Opening, closing and locking the doors
key indicator flashes 4 times.
While the battery-saving mode is set,
the smart entry & start system cannot be
used. To cancel the function, press any
of the electronic key buttons.
●Electronic keys that will not be used
for long periods of time can be set to the battery-saving mode in advance.
■Conditions affecting operation
The smart entry & start system uses
weak radio waves. In the following situa- tions, the communication between the electronic key and the vehicle may be
affected, preventing the smart entry & start system, wireless remote control and immobilizer system from operating
properly. (Ways of coping: P.474)
●When the electronic key battery is
depleted
●Near a TV tower, electric power plant,
gas station, radio station, large dis- play, airport or other facility that gen-erates strong radio waves or electrical
noise
●When carrying a portable radio, cellu-
lar phone, cordless phone or other wireless communication device
●When the electronic key is in contact with, or is covered by the following metallic objects
• Cards to which aluminum foil is attached• Cigarette boxes that have aluminum
foil inside • Metallic wallets or bags• Coins
• Hand warmers made of metal • Media such as CDs and DVDs
●When other wireless keys (that emit
radio waves) are being used nearby
●When carrying the electronic key together with the following devices
that emit radio waves • Another vehicle’s electronic key or a wireless key that emits radio waves
• Personal computers or personal digi- tal assistants (PDAs)• Digital audio players
• Portable game systems
●I f w i n d o w t i n t w i t h a m e t a l l i c c o n t e n t o r
metallic objects are attached to the rear window
●When the electronic key is placed near a battery charger or electronic devices
●When the vehicle is parked in a pay parking spot where radio waves are
emitted
If the doors cannot be locked/unlocked using the smart entry & start system,
lock/unlock the doors by performing any of the following:
●Bring the electronic key close to either front door handle and operate the entry function.
●Operate the wireless remote control.
If the doors cannot be locked/unlocked
using the above methods, use the mechanical key. ( P.474)
If the hybrid system cannot be started
using the smart entry & start system, refer to P.475.
■Note for the entry function
●Even when the electronic key is within the effective range (detection areas), the system may not operate properly
in the following cases: • The electronic key is too close to the window or outside door handle, near
the ground, or in a high place when the doors are locked or unlocked.• The electronic key is on the instru-
ment panel, luggage cover or floor, or in the door pockets or glove box when the hybrid system is started or power
switch modes are changed.
●Do not leave the electronic key on top

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4-2. Driving procedures
until the “READY” indicator is steady
on, as steady means the vehicle is able to move.
●When the hybrid battery (traction bat-tery) is extremely cold (below approxi-mately -30°C [-22°F]) under the
influence of the outside temperature, it may not be possible to start the hybrid system. In this case, try to start the
hybrid system again after the tem- perature of the hybrid battery increases due to the outside tempera-
ture increase, etc.
■Sounds and vibrations specific to a hybrid vehicle
 P. 7 7
■If the 12-volt battery is discharged
The hybrid system cannot be started using the smart entry & start system. Refer to P.476 to restart the hybrid sys-
tem.
■Electronic key battery depletion
 P. 1 3 1
■Conditions affecting operation
 P. 1 5 4
■Notes for the entry function
 P. 1 5 4
■Steering lock function
●After turning the power switch off and
opening and closing the doors, the steering wheel will be locked due to the steering lock function. Operating
the power switch again automatically cancels the steering lock.
●When the steering lock cannot be released, “Push POWER Switch while Turning the Steering Wheel in Either
Direction” will be displayed on the multi-information display. Press the power switch shortly and
firmly while turning the steering wheel left and right.
●To prevent the steering lock motor
from overheating, the motor may be suspended if the hybrid system is turned on and off repeatedly in a short
period of time. In this case, refrain from operating the power switch. After about 10 seconds, the steering lock
motor will resume functioning.
■If the “READY” indicator does not come on
In the event that the “READY” indicator
does not come on even after performing the proper procedures for starting the vehicle, contact any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer immediately.
■If the hybrid system is malfunction-ing
 P. 4 4 9
■Electronic key battery
 P. 4 1 5
■Operation of the power switch
●If the switch is not pressed shortly and firmly, the power switch mode may not change or the hybrid system may not
start.
●If attempting to restart the hybrid sys-
tem immediately after turning the power switch off, the hybrid system may not start in some cases. After
turning the power switch off, please wait a few seconds before restarting the hybrid system.
■Customization
If the smart entry & start system has been deactivated in a customized set-ting, refer to P.474.

475
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YARIS CROSS Owner's Manual_Europe_M52K60_en
7-2. Steps to take in an emergency
When trouble arises
1Ensure that the shift lever is in P
and depress the brake pedal.
2 Touch the area behind the lock
button and unlock button on the
electronic key to the power
switch.
When the electronic key is detected, a
buzzer sounds and the power switch will turn to ON.
When the smart entry & start system is
deactivated in customization setting, the power switch will turn to ACC.
3 Firmly depress the brake pedal
and check that is shown on
the multi-information display.
4 Press the power switch shortly
and firmly.
In the event that the hybrid system
still cannot be started, contact any
authorized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer.
■Stopping the hybrid system
Shift the shift lever to P and press the power switch as you normally do when
stopping the hybrid system.
■Electronic key battery
As the above procedure is a temporary measure, it is recommended that the
electronic key battery be replaced immediately when the battery is depleted. ( P.415)
■Alarm (if equipped)
Using the mechanical key to lock the doors will not set the alarm system.If a door is unlocked using the mechani-
cal key when the alarm system is set, the alarm may be triggered. ( P. 8 6 )
■Changing power switch modes
Release the brake pedal and press the
power switch in step 3 above. The hybrid system does not start and modes will be changed each time the
switch is pressed. ( P.193)
WARNING
■When using the mechanical key and operating the power win-
dows
Operate the power window after checking to make sure that there is no
possibility of any passenger having any of their body parts caught in the window.
Also, do not allow children to operate the mechanical key. It is possible for children and other passengers to get
caught in the power window.
Starting the hybrid system