2012 TOYOTA YARIS HYBRID change key battery

82 1-3. Opening, closing and locking the doors
YARIS_F (including HV)_WE_52C79E
When the electronic key battery is fully depleted
P. 505
If the smart entry & start system has been deactivated in a customized
setting
Locking and unlocking the doors: Use the wireless remote control or
mechanical key. (P. 105, 619)
Starting the engine and changing “ENGINE START STOP” switch modes
(except hybrid vehicle): P. 620
Starting the hybrid system and changing “POWER” switch mode (hybrid
vehicle): P. 619
Stopping the engine (except hybrid vehicle): P. 231
Stopping the hybrid system (hybrid vehicle):P. 2 4 4
Customization that can be configured at any authorized Toyota dealer
or repairer, or another duly qualified and equipped professional
Settings (e. g. smart entry & start system) can be changed.
(Customizable features: P. 682)

96 1-3. Opening, closing and locking the doors
YARIS_F (including HV)_WE_52C79E
Alarms and warning indicators
A combination of exterior and interior alarms are used to prevent theft of the
vehicle and unforeseeable accidents resulting from erroneous operation.
Take appropriate measures for the warning light that comes on. (P. 575)
The following table describes circumstances and correction procedures
when only alarms are sounded.
Conditions affecting operation
P. 7 8
Note for the push-button start system
Even when the electronic key is within the effective range (detection
areas), the system may not operate properly.
For example, the electronic key is on the instrument panel, luggage
cover, floor or in the glove box when the hybrid system is started or
“POWER” switch modes are changed.
Even if the electronic key is not inside the vehicle, it may be possible to
start the hybrid system if the electronic key is near the window.
To operate the system properly
Make sure to carry the electronic key when operating the system.
Depending on the position and holding condition of the electronic key, the
key may not be detected correctly and the system may not operate properly.
(The alarm may go off accidentally, or the door lock prevention may not func-
tion.)
If the push-button start system does not operate properly
P. 619
Electronic key battery depletion
P. 8 1
AlarmSituationCorrection procedure
Exterior alarm
sounds once for 5
secondsAn attempt was made to
lock the vehicle while a
door is openClose all of the doors and
lock the doors again

97 1-3. Opening, closing and locking the doors
1
Before driving
YARIS_F (including HV)_WE_52C79E
When the electronic key battery is fully depleted
P. 505
Customization
Settings (e.g. push-button start system) can be changed.
(Customizable features P. 682)
CAUTION
Caution regarding interference with electronic devices
People with implanted pacemakers or cardiac defibrillators should keep
away from the push-button start system antennas. (P. 95)
The radio waves may affect the operation of such devices. If necessary,
the push-button start system can be disabled. Ask any authorized Toyota
dealer or repairer, or another duly qualified and equipped professional for
details, such as the frequency of radio waves and timing of emitting the
radio waves. Then, consult your doctor to see if you should disable the
push-button start system.
Users of any electrical medical device other than implanted pacemakers
and implanted cardiac defibrillators should consult the manufacturer of the
device for information about its operation under the influence of radio
waves. Radio waves could have unexpected effects on the operation of
such medical devices.
Ask any authorized Toyota dealer or repairer, or another duly qualified and
equipped professional for details on disabling the push-button start system.

107 1-3. Opening, closing and locking the doors
1
Before driving
YARIS_F (including HV)_WE_52C79E
When the wireless key is in contact with, or is covered by a metallic
object
When other wireless key (that emit radio waves) is being used nearby
If window tint with a metallic content or metallic objects are attached to
the rear window
Vehicles with a smart entry & start system or a push-button start sys-
tem
P. 7 8
If the wireless remote control does not operate properly (vehicles with
a smart entry & start system or a push-button start system)
Locking and unlocking the doors: Use the mechanical key. (P. 619)
Key battery depletion
If the wireless remote control function does not operate, the battery may be
depleted. Replace the battery when necessary. (P. 505)
Electronic key battery depletion
P. 8 1
When the key battery is fully depleted
P. 505
Confirmation of the registered key number (vehicles with a smart entry
and start system or a push-button start system)
The number of keys already registered to the vehicle can be confirmed. Ask
any authorized Toyota dealer or repairer, or another duly qualified and
equipped professional for details.
Customization that can be configured at any authorized Toyota dealer
or repairer, or another duly qualified and equipped professional
Settings (e.g. wireless remote control system) can be changed.
(Customizable features P. 682)

235 2-1. Driving procedures
2
When driving
YARIS_F (including HV)_WE_52C79E
Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be sus-
pended if the engine is turned on and off repeatedly in a short period of time.
In this case, refrain from operating the engine. After about 10 seconds, the
steering lock motor will resume functioning.
When the smart entry & start system indicator light flashes in yellow
The system may be malfunctioning. Have the vehicle inspected by any
authorized Toyota dealer or repairer, or another duly qualified and equipped
professional immediately.
If the electronic key battery is depleted
P. 505
Operation of the “ENGINE START STOP” switch
When operating the “ENGINE START STOP” switch, one short, firm press is
enough. If the switch is pressed improperly, the engine may not start or the
“ENGINE START STOP” switch mode may not change. It is not necessary to
press and hold the switch.
If the smart entry & start system has been deactivated in a customized
setting
P. 682

248 2-1. Driving procedures
YARIS_F (including HV)_WE_52C79E
If the “READY” indicator does not come on
If the “READY” indicator does not come on when you press the “POWER”
switch with the shift lever in P and the brake pedal depressed, contact any
authorized Toyota dealer or repairer, or another duly qualified and equipped
professional immediately.
If the hybrid system is malfunctioning
P. 566, 568
If the electronic key battery is depleted
P. 505
Operation of the “POWER” switch
When operating the “POWER” switch, one short, firm press is enough. If
the switch is pressed improperly, the hybrid system may not start or the
“POWER” switch mode may not change. It is not necessary to press and
hold the switch.
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 system.
If the smart entry & start system or the push-button start system has
been deactivated in a customized setting
P. 682
CAUTION
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 cir-
cumstances.
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. Doing so
may cause activation of the steering lock which may lead to an accident,
resulting in death or serious injury.

301 2-3. Operating the lights and wipers
2
When driving
YARIS_F (including HV)_WE_52C79E
Customization that can be configured at any authorized Toyota dealer
or repairer, or another duly qualified and equipped professional
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features P. 682)
NOTICE
To prevent battery discharge (except hybrid vehicle)
Do not leave the lights on longer than necessary when the engine is not run-
ning.
To prevent 12-volt battery discharge (hybrid vehicle)
Do not leave the lights on longer than necessary when the hybrid system is
off.
Hybrid vehicle
Vehicles without an electronic key:
The engine switch is turned to the “ON”
position.
Vehicles with an electronic key:
The “POWER” switch is turned to ON
mode.
The light switch is turned on.
The light switch is pulled toward you
and then released.

419 3-3. Using the interior lights
3
Interior features
YARIS_F (including HV)_WE_52C79E
Hybrid vehicle
Vehicles without an electronic key:
The lights automatically turn on/off according to the engine switch position,
whether the doors are locked/unlocked, and whether the doors are opened/
closed.
Vehicles with an electronic key:
The lights automatically turn on/off according to “POWER” switch mode, the
presence of the electronic key, whether the doors are locked/unlocked, and
whether the doors are opened/closed.
To prevent battery discharge (except hybrid vehicle)
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)
“ENGINE START STOP” switch light
Footwell lights
To prevent 12-volt battery discharge (hybrid vehicle)
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 that can be configured at any authorized Toyota dealer
or repair, or another duly qualified and equipped professional
Settings (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features P. 682)
Interior light