2012 TOYOTA YARIS HATCHBACK key battery

32 1-2. Opening, closing and locking the doors
■Operation signals
The emergency flashers flash to indicate that the doors have been locked/
unlocked. (Locked: once; Unlocked: twice)
■Panic mode
■Security feature
If a door is not opened within approximately 60 seconds after the vehicle is
unlocked, the security feature automatically locks the vehicle again.
■ Alarm (if equipped)
Using the wireless remote control to lock the doors will set the alarm system.
(→ P. 74)
■ Conditions affecting operation
The wireless remote control function may not operate normally in the follow-
ing situations:
●When the wireless key battery is depleted
● Near a TV tower, electric power plant, gas station, radio station, large dis-
play, airport or other facility that generates strong radio waves or electri-
cal noise
● When carrying a portable radio, cell ular phone or other wireless commu-
nication device
● When the wireless key is in contact with, or is covered by a metallic
object
● When other wireless key (that emits radio waves) is being used nearby
● If window tint with a metallic content or metallic objects are attached to
the rear window When is pressed for longer than
about 1 second, an alarm will sound inter-
mittently and the vehicle lights will flash to
deter any person from trying to break into
or damage your vehicle.
To stop the alarm, press any button on
the wireless remote control.

33
1-2. Opening, closing and locking the doors
1
Before driving
■
Key battery depletion
If the wireless remote control function does not operate, the battery may be
depleted. Replace the battery when necessary. ( →P. 270)
■ Customization that can be co nfigured at Toyota dealer
Settings (e.g. wireless remote control system) can be changed.
(Customizable features →P. 368)
■Certification for wireless remote control
U.S.A.
FCC ID: HYQ12BBY
FCC ID: HYQ23AAA
NOTE:
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful interfer-
ence, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
FCC WARNING:
Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
Canada
NOTE:
Operation is subject to the following two conditions: (1) this device may not
cause interference, and (2) this device must accept any interference, includ-
ing interference that may cause undesired operation of the device.

74
1-6. Theft deterrent system
Alarm (Puerto Rico)
The system sounds the alarm and flashes the lights when forced
entry is detected.
■ Triggering of the alarm
The alarm is triggered in the fo llowing situations when the alarm
is set:
● A locked door is unlocked or opened in any way other than
using a key or wireless remote control. (The doors will lock
again automatically.)
● The hood is opened.
● The battery is reconnected.
■ Setting the alarm system
Close the doors and hood,
and lock all the doors. The
system will be set automati-
cally after 30 seconds.
The indicator light changes
from being on to flashing when
the system is set.
■Deactivating or stopping the alarm
Do one of the following to deactivate or stop the alarm:
●Unlock the doors.
● Turn the engine switch to the “ACC” or “ON” position, or start
the engine. (The alarm will be deactivated or stopped after a
few seconds.
)

76 1-6. Theft deterrent system
■Alarm-operated door lock
●When the alarm is operating, the door s are locked automatically to pre-
vent intruders.
● Do not leave the key inside the vehicle when the alarm is operating, and
make sure the key is not inside the vehicle when recharging or replacing
the battery.
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper
operation of the system cannot be guaranteed.

270
4-3. Do-it-yourself maintenance
Wireless remote control batter y∗
∗: If equipped
Replace the battery with a new one if it is depleted.
■You will need the following items:
●Flathead screwdriver
● Lithium battery CR2016
■ Replacing the battery
Ty p e A Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver
with a tape.
Remove the module.
Open the case cover using a
coin protected with tape etc.
and remove the depleted bat-
tery.
Insert a new battery with the
“+” terminal facing up.

271
4-3. Do-it-yourself maintenance
4
Maintenance and care
Ty p e B
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver
with a tape.
To prevent the buttons from
being disassembled, face the
button surface downward.
Remove the module.
Open the case cover and
remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.

272 4-3. Do-it-yourself maintenance
■Use a CR2016 lithium battery
●Batteries can be purchased at your Toyota dealer, local electrical appli-
ance shops or camera stores.
● Replace only with the same or equivalent type recommended by the
manufacturer.
● Dispose of used batteries according to local laws.
■ If the key battery is depleted
The following symptoms may occur:
●The wireless remote control will not function properly.
● The operational range will be reduced.
■ When replacing the module (type B only)
CAUTION
■Removed battery and other parts
Keep away from children. These parts are small and if swallowed by a child,
they can cause choking. Failure to do so could result in death or serious
injury.
Replace the module from right above.
Replacing it from diagonally above may
prevent the key buttons from operating
properly.

396
What to do if...
What to do if...
A tire puncturesP. 315If you have a flat tire
The engine does not start
P. 327If the engine will not start
P. 7 2Engine immobilizer system
P. 330If the vehicle battery is discharged
The shift lever cannot be
moved outP. 328If the shift lever cannot be shifted
from P
The engine coolant temperature
warning light flashes or comes on
Steam can be seen coming
from under the hood
P. 334If your vehicle overheats
The key is lostP. 329If you lose your keys
The battery runs outP. 330If the vehicle battery is discharged
The doors cannot be lockedP. 3 4Side doors
P. 3 8Back door
The horn begins to soundP. 7 4Alarm
The vehicle is stuck in
mud or sandP. 337If the vehicle becomes stuck