2014 TOYOTA YARIS HYBRID battery

3147-3. Do-it-yourself maintenance
WARNING
Emergency measures regarding electrolyte
If electrolyte gets in your eyes
Flush your eyes with clean water for at least 15 minutes and get immedi-
ate medical attention. If possible, continue to apply water with a sponge or
cloth while traveling to the nearest medical facility.
If electrolyte gets on your skin
Wash the affected area thoroughly. If you feel pain or burning, get medical
attention immediately.
If electrolyte gets on your clothes
It can soak through clothing on to your skin. Immediately take off the cloth-
ing and follow the procedure above if necessary.
If you accidentally swallow electrolyte
Drink a large quantity of water or milk. Get emergency medical attention
immediately.
When replacing the 12-volt battery
Use a 12-volt battery designed for this vehicle. Failure to do so may cause
gas (hydrogen) to enter the passenger compartment, causing a fire or
explosion.
For replacement of the 12-volt battery, contact any authorized Toyota dealer
or repairer, or another duly qualified and equipped professional.
NOTICE
When recharging the 12-volt battery
Never recharge the 12-volt battery while the hybrid system is operating.
Also, be sure all accessories are turned off.

3357-3. Do-it-yourself maintenance
7
Maintenance and care
Wireless remote control/electronic key bat-
ter y

Flathead screwdriver
Lithium battery CR2016 (vehicles without a smart entry & start sys-
tem), or CR2032 (vehicles with a smart entry & start system)
Vehicles without a smart entry & start system
Lift the cover.
Insert the screwdriver in the slot
and push down.
To prevent damage to the key,
cover the tip of the screwdriver with
a tape.
Remove the cover.
Insert the screwdriver in the bottom
of the key and push down.
: If equipped
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
1
2

3367-3. Do-it-yourself maintenance
Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.
Vehicles with a smart entry & start system
Take out the mechanical key.
Remove the cover.
To prevent damage to the key,
cover the tip of the screwdriver with
a tape.
Remove the battery cover.
3
1
2
3

3377-3. Do-it-yourself maintenance
7
Maintenance and care
Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.
Use a CR2016 (vehicles without a smart entry & start system) or CR2032
(vehicles with a smart entry & start system) lithium battery
Batteries can be purchased at any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional, local electrical appliance
shops or camera stores.
Replace only with the same or equivalent type recommended by the manu-
facturer.
Dispose of used batteries according to local laws.
If the key battery is depleted
The following symptoms may occur:
The smart entry & start system (if equipped) and wireless remote control will
not function properly.
The operational range will be reduced.
4
WARNING
Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking.
Keep away from children. Failure to do so could result in death or serious
injury.
Certification for the lithium battery
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT
TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUC-
TIONS

3387-3. Do-it-yourself maintenance
NOTICE
For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
Always work with dry hands.
Moisture may cause the battery to rust.
Do not touch or move any other component inside the remote control.
Do not bend either of the battery terminals.

359
8When trouble arises
8-1. Essential information
Emergency flashers ........... 360
If your vehicle has to
be stopped in
an emergency .................. 361
8-2. Steps to take in
an emergency
If your vehicle needs to
be towed .......................... 363
If you think something is
wrong ............................... 368
If a warning light turns on
or a warning buzzer
sounds ............................. 369
If you have a flat tire
(vehicles with
a spare tire) ..................... 379
If you have a flat tire
(vehicles with
an emergency tire
puncture repair kit)........... 394If the hybrid system will
not start............................ 410
If the shift lever cannot be
shifted from P .................. 412
If the electronic key does
not operate properly
(vehicles with a smart
entry & start system)........ 413
If the vehicle 12-volt
battery is discharged ....... 415
If your vehicle overheats .... 420
If the vehicle becomes
stuck ................................ 425

3728-2. Steps to take in an emergency
Low traction battery warning light
Indicates that the hybrid battery (traction battery) is low.
Have the vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and
equipped professional.
Open door warning light (warning buzzer)*2
Indicates that one or more of the doors is not fully closed.
Check that all the side doors and back door are
closed.
Low fuel level warning light
Indicates that remaining fuel is about 5.2 L (1.4 gal.,
1.1 lmp. gal.) or less.
Refuel the vehicle.
(On the instrument
cluster)
Driver’s and front passenger’s seat belt reminder light
(warning buzzer)
*3
Warns the driver and front passenger to fasten their seat
belts.
Fasten the seat belt.
(On the center panel)
Rear passengers’ seat belt reminder lights
(warning buzzer)
*3
Warns the rear passengers to fasten their seat belts.
Fasten the seat belt.
Tire pressure warning light (if equipped)
When the light comes on: Low tire inflation pressure such
as
• Natural causes (P. 374)
• Flat tire (P. 379, 394)
Adjust the tire inflation pressure to the specified
level.
The light will turn off after a few minutes. In case the
light does not turn off even if the tire inflation pres-
sure is adjusted, have the system checked by any
authorized Toyota dealer or repairer, or another duly
qualified and equipped professional.
Warning lightWarning light/Details/Actions

3738-2. Steps to take in an emergency
8
When trouble arises
*1: Parking brake engaged warning buzzer:
A buzzer will sound if the vehicle is driven at a speed of approximately
5 km/h (3 mph) or more.
*2: Open door warning buzzer:
A buzzer will sound if the vehicle reaches a speed of 5 km/h (3 mph) or
more with any door open.
*3: Driver’s and passenger’s seat belt buzzer:
The driver’s and passenger’s seat belt buzzer sounds to alert the driver
and passenger that his or her seat belt is not fastened. The buzzer sounds
for 30 seconds after the vehicle reaches a speed of at least 20 km/h (12
mph). Then, if the seat belt is still unfastened, the buzzer will sound in a
different tone for 90 more seconds.
Passenger detection sensor and passenger seat belt reminder
If luggage is placed on a passenger seat, the passenger detection sensor
may cause the warning light to flash even if a passenger is not sitting in the
seat.
If a cushion is placed on the seat, the sensor may not detect a passenger,
and the warning light may not operate properly.
Hybrid system overheat warning light (warning buzzer)
Indicates that the hybrid system has overheated. This light
may come on when driving under severe operating condi-
tions. (For example, when driving up a long steep hill.)
Stop and check. (P. 420)
P position request warning light
An attempt was made to start the hybrid system.
Shift the shift lever to P.
P position request warning light (warning buzzer)
• Indicates that the driver’s door was opened with the shift
lever in N, D or B.
Shift the shift lever to P.
• Indicates that the hybrid battery (traction battery) power
has dropped because a long period of time has elapsed
after shifting the shift lever to N.
Shift the shift lever to P and restart the hybrid system
when starting the vehicle.
Warning lightWarning light/Details/Actions