BeforeDriving -> 2-1. Keys for Your Toyota Yaris 4 Door Fourth Generation (2021-2026)

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2-1. Keys  
Keys  
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2
3
Smart key  
Auxiliary key  
Key code number plate  
To use the auxiliary key, press the  
knob and pull out the auxiliary key  
from the smart key.  
Knob  
A code number is stamped on the plate attached to the key set;  
detach this plate and store it in a safe place (not in the vehicle) for use  
if you need to make a replacement key (auxiliary key).  
Also write down the code number and keep it in a separate safe and  
convenient place, but not in the vehicle.  
If your key (auxiliary key) is lost, consult your Toyota dealer and have  
your code number ready.  
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2-1. Keys  
The driver must carry the key to ensure the system functions properly.  
Always keep a spare key in case one is lost. If a key is lost, consult your  
Toyota dealer as soon as possible.  
WARNING  
Do not leave the key in your vehicle with children and keep them in a  
place where your children will not find or play with them  
Leaving children in a vehicle with the key is dangerous. This could result in  
someone being badly injured or even killed. Children may find these keys to  
be an interesting toy to play with and could cause the power windows or  
other controls to operate, or even make the vehicle move.  
2
NOTICE  
Because the key (smart key) uses low-intensity radio waves, it may not  
function correctly under the following conditions:  
• The key is carried with communication devices such as cellular phones.  
• The key contacts or is covered by a metal object.  
• The key is near electronic devices such as personal computers.  
• Non-Toyota genuine electronic equipment is installed in the vehicle.  
• There is equipment which discharges radio waves near the vehicle.  
The key (smart key) may consume battery power excessively if it receives  
high-intensity radio waves. Do not place the key near electronic devices  
such as televisions or personal computers.  
To avoid damage to the key (smart key), DO NOT:  
• Drop the key.  
• Get the key wet.  
• Disassemble the key.  
• Expose the key to high temperatures on places such as the dashboard  
or hood, under direct sunlight.  
• Expose the key to any kind of magnetic field.  
• Place heavy objects on the key.  
• Put the key in an ultrasonic cleaner.  
• Put any magnetized objects close to the key.  
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2-1. Keys  
Keyless Entry System  
This system uses the key buttons to remotely lock and unlock  
the doors and the liftgate, and opens the trunk lid.  
The system can start the engine without having to take the key  
out of your purse or pocket.  
It can also help you signal for attention.  
Operating the theft deterrent system is also possible on theft deterrent  
system-equipped vehicles.  
Press the buttons slowly and carefully.  
System malfunctions or warnings are indicated by the following warn-  
ing lights or beeps.  
KEY Warning Light (Red)  
Refer to Warning/Indicator Lights on P. 173.  
Ignition Not Switched Off (STOP) Warning Beep  
Refer to Ignition Not Switched Off (STOP) Warning Beep on P. 504.  
Key Removed from Vehicle Warning Beep  
Refer to Key Removed from Vehicle Warning Beep on P. 504.  
If you have a problem with the key, consult your Toyota dealer.  
If your key is lost or stolen, consult your Toyota dealer as soon as pos-  
sible for a replacement and to make the lost or stolen key inoperative.  
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2-1. Keys  
The keyless entry system operation may vary due to local conditions.  
The keyless entry system is fully operational (door/liftgate lock/unlock) when  
the ignition is switched off. The system does not operate if the ignition is  
switched to any position other than off.  
If the key does not operate when pressing a button or the operational range  
becomes too small, the battery may be dead. To install a new battery, refer  
to Key Battery Replacement (P. 410).  
Battery life is about one year. Replace  
the battery with a new one if the KEY  
indicator light (green) flashes in the com-  
bination meter. Replacing the battery  
about once a year is recommended  
because the KEY warning light/indicator  
light may not illuminate or flash depend-  
ing on the rate of battery depletion.  
2
Additional keys can be obtained at your Toyota dealer. Up to 6 keys can be  
used with the keyless functions per vehicle. Bring all keys to your Toyota  
dealer when additional keys are required.  
NOTICE  
Radio equipment like this is governed by laws in the United States.  
Changes or modifications not expressly approved by the party responsible  
for compliance could void the user’s authority to operate the equipment.  
Smart Key  
1
2
Operation indicator light  
Operation buttons  
The operation indicator light  
flashes when the buttons are  
pressed.  
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2-1. Keys  
Lock button  
To lock the doors and the lift-  
gate, press the lock button and  
the hazard warning lights will  
flash once.  
With the advanced keyless  
function:  
A beep sound will be heard  
once.  
To confirm that all doors and the liftgate have been locked, press  
the lock button again within 5 seconds. If they are closed and  
locked, the horn will sound.  
Unlock button  
To unlock the driver’s door,  
press the unlock button and the  
hazard warning lights will flash  
twice.  
With the advanced keyless  
function:  
A beep sound will be heard  
twice.  
To unlock all doors and the liftgate, press the unlock button again  
within three seconds and two more beep sounds will be heard.  
Trunk button (4-Door)  
To open the trunk lid, press and  
hold the trunk button until the  
trunk lid opens.  
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2-1. Keys  
Panic button  
If you witness from a distance  
someone attempting to break  
into or damage your vehicle,  
press and hold the panic button  
to activate the vehicle’s alarm.  
Call emergency services if nec-  
essary.  
2
Turning on the alarm  
Pressing the panic button for 1 second or longer will trigger the  
alarm for about 2 minutes and 30 seconds, and the following will  
occur:  
• The horn sounds intermittently.  
• The hazard warning lights flash.  
Turning off the alarm  
The alarm stops by pressing any button on the key.  
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2-1. Keys  
Smart Key  
With theft deterrent system:  
The hazard warning lights flash when the theft deterrent system is armed or  
turned off.  
Refer to Theft Deterrent System on P. 138.  
With the advanced keyless function:  
A beep sound can be heard for confirmation when the doors and the liftgate  
are locked/unlocked using the key. If you prefer, the beep sound can be  
turned off. The volume of the beep sound can also be changed.  
Refer to Customizable Features on P. 555.  
Use the following procedure to change the setting.  
1
Switch the ignition off and close all of the doors and the liftgate/trunk lid.  
2
Open the driver’s door.  
3
Within 30 seconds of opening the driver’s door, press and hold the LOCK  
button on the key for 5 seconds or longer (All of the doors and the liftgate  
are locked and unlocked when the LOCK button on the key is pressed  
and held for 5 seconds.).  
The beep sound activates at the currently set volume. The setting  
changes each time the LOCK button on the key is pressed and the beep  
sound activates at the set volume. (If the beep sound has been set to not  
activate, it will not activate.)  
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The setting change is completed by doing any one of the following:  
• Switching the ignition to ACC or ON.  
• Closing the driver’s door.  
• Opening the liftgate/trunk lid.  
• Not operating the key for 10 seconds.  
• Pressing any button except the LOCK button on the key.  
• Pressing a request switch.  
Lock button  
The doors and the liftgate can be locked by pressing the lock button while  
any other door or the liftgate/trunk lid is open. The hazard warning lights will  
not flash.  
When the lock button is pressed while any door is open and then the door is  
closed, all the doors and the liftgate are locked.  
Confirm that all doors and the liftgate are locked visually or audibly by use of  
the double click.  
Make sure all doors and the liftgate are locked after pressing the button.  
With theft deterrent system:  
When the doors are locked by pressing the lock button on the key while the  
theft deterrent system is armed, the hazard warning lights will flash once to  
indicate that the system is armed.  
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2-1. Keys  
Unlock button  
The system can be set to unlock all doors by performing a single operation.  
Refer to Customizable Features on P. 555.  
Use the following procedure to change the setting.  
1
Switch the ignition off and close all of the doors and the liftgate/trunk lid.  
2
Open the driver’s door  
3
Within 30 seconds of opening the driver’s door, press and hold the  
UNLOCK button on the key for 5 seconds or longer (the sound of the  
doors locking/unlocking can be heard).  
After this, the system switches the setting each time the UNLOCK button  
is pressed (the sound of the doors locking/unlocking can be heard).  
2
4
The setting change is completed by doing any one of the following:  
• Switching the ignition to ACC or ON.  
• Closing the driver’s door.  
• Opening the liftgate/trunk lid.  
• Not operating the key for 10 seconds.  
• Pressing any button except the UNLOCK button on the key.  
• Pressing a request switch.  
Auto re-lock function:  
After unlocking with the key, all doors and the liftgate will automatically lock  
if any of the following operations are not performed within about 60 sec-  
onds. If your vehicle has a theft deterrent system, the hazard warning lights  
will flash for confirmation.  
The time required for the doors to lock automatically can be changed.  
Refer to Customizable Features on P. 555.  
• A door or the liftgate/trunk lid is opened.  
• The ignition is switched to any position other than off.  
With theft deterrent system:  
When the doors are unlocked by pressing the unlock button on the key while  
the theft deterrent system is turned off, the hazard warning lights will flash  
twice to indicate that the system is turned off.  
Panic button  
The panic button will work whether any door or the liftgate/trunk lid is open or  
closed.  
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2-1. Keys  
Operational Range  
The system operates only when the driver is in the vehicle or within  
operational range while the key is being carried.  
Starting the Engine  
With the advanced keyless Without the advanced keyless  
function  
function  
Interior antenna  
Interior antenna  
Operational range  
Operational range  
Starting the engine may be possible even if the key is outside of the vehicle  
and extremely close to a door and window, however, always start the engine  
from the driver’s seat.  
If the vehicle is started and the key is not in the vehicle, the vehicle will not  
restart after it is shut off and the ignition is switched to off.  
The luggage compartment/trunk is out of the assured operational range,  
however, if the key (smart key) is operable the engine will start.  
The engine may not start if the key is placed in the following areas:  
• Around the dashboard  
• In the storage compartments such as the glove compartment  
• On the rear parcel shelf (4-door)  
Key Suspend Function  
If a key is left in the vehicle, the functions of the key left in the vehicle  
are temporarily suspended to prevent theft of the vehicle.  
To restore the functions, press the unlock button on the functions-sus-  
pended key in the vehicle.  
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