2017 TOYOTA YARIS HYBRID change key battery

1143-1. Key information
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■ Replacing the battery
 P. 369
■ Confirmation of the registered key number (vehicles with a smart entry &
start system)
The number of keys already registered to the vehicle can be confirmed. Ask
any authorized Toyota dealer or re pairer, or another duly qualified and
equipped professional for details.
■ If a wrong key is used
On some models, the key cylinder rotates freely to isolate inside mechanism.
■ Customization
Settings (e.g. wireless remote control system) can be changed.
(Customizable features: P. 475)

1864-2. Driving procedures
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■ If the electronic key battery is depleted
 P. 369
■ 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 system 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 sys-
tem.
■ If the smart entry & start system has been deactivated in a customized
setting
 P. 448
WARNING
■When starting the hybrid system
Always start the hybrid system while sitting in the driver’s seat. Do not
depress the accelerator pedal while starting the hybrid system under any
circumstances.
Doing so may cause an accident resulting in death or serious injury.
■ Caution while driving
If a hybrid system failure occurs while the vehicle is moving, do not lock or
open the doors until the vehicle reaches a safe and complete stop. Activa-
tion of the steering lock in this circumstance may lead to an accident, result-
ing in death or serious injury.
■ Stopping the hybrid system in an emergency
If you want to stop the hybrid system in an emergency while driving the
vehicle, press and hold the power switch for more than 3 seconds, or press
it briefly 3 times or more in succession. ( P. 395)
However, do not touch the power switch while driving except in an emer-
gency. Turning the hybrid system off while driving will not cause loss of
steering or braking control, however, power assist to the steering will be
lost. This will make it more difficult to steer smoothly, so you should pull over
and stop the vehicle as soon as it is safe to do so.

2004-3. Operating the lights and wipers
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■ Light reminder buzzer
Vehicles without a smart entry & start system
A buzzer sounds when the key is removed from the power switch and the
driver’s door is opened while the lights are turned on.
Vehicles with a smart entry & start system
A buzzer sounds when the power switch is turned off or turned to ACCES-
SORY mode and the driver’s door is opened while the lights are turned on.
■ Battery-saving function
In all conditions following below, the headlights and the other remaining lights
will go off automatically after 20 minutes in order to prevent the vehicle bat-
tery from being discharged:
● The headlights and/or tail lights are on.
● The light switch is in or .
● Vehicles without a smart entry & start system: The power switch is in the
“ACC” or the “LOCK” position.
● Vehicles with a smart entry & start system: The power switch is turned to
ACCESSORY mode or turned off.
This function will be canceled in any of the following situations:
● Vehicles without a smart entry & start system: When the power switch is
turned to the “ON” position.
● Vehicles with a smart entry & start system: When the power switch is turned
to ON mode.
● When the light switch is operated.
● When the door is opened or closed.
■ Customization
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features: P. 475)
NOTICE
■To prevent 12-volt battery discharge
Do not leave the lights on longer than necessary when the hybrid system is
off.

3046-2. Using the interior lights
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On
Off
■ Illuminated entry system
Vehicles without a smart entry & start system
The lights automatically turn on/off according to the power switch position,
whether the doors are locked/unloc ked, and whether the doors are opened/
closed.
Vehicles with a smart entry & start system
The lights automatically turn on/off according to power switch mode, the pres-
ence of the electronic key, whether the doors are locked/unlocked, and
whether the doors are opened/closed.
■ To prevent 12-volt battery from being discharged
If the following lights remain on when the door is not fully closed, the lights will
go off automatically after 20 minutes:
● Interior light (when the switch is in the door position)
● Power switch light
● Footwell lights
■ Customization
Settings (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features P. 475)
Personal lights
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4498-2. Steps to take in an emergency
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When trouble arises
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Ensure that the shift lever is in P and depress the brake pedal.
Touch the Toyota emblem side
of the electronic key to the
power switch.
The power switch will turn to ON
mode.
If any of the doors is opened or
closed while the key is being
touched to the switch, an alarm will
sound to indicate that the start
function cannot detect the elec-
tronic key.
When the smart entry & start system is deactivated in customization set-
ting, the power switch will turn to ACCESSORY mode.
Firmly depress the brake pedal and check that (green)
turns on.
Press the power switch.
In the event that the hybrid system still cannot be operated, contact
any authorized Toyota dealer or repairer, or another duly qualified and
equipped professional.
■ Stopping the hybrid system
Shift the shift lever to P and press the power switch as you normally do when
stopping the hybrid system.
■ Replacing the 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. 369)
■ Changing power switch modes
Release the brake pedal and press the power switch in step above.
The hybrid system does not start and modes will be changed each time the
switch is pressed. ( P. 183)
■ When the electronic key does not work properly
Make sure that the smart entry & start system has not been deactivated in the
customization setting. If it is off, turn the function on.
(Customizable features: P. 475)
Starting the hybrid system
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