key battery TOYOTA PRIUS PLUS 2015 Owners Manual

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PRIUS +_OM_OM47B16E_(EE)6-3. Do-it-yourself maintenance
Do-it-yourself service precautions ......................311
Hood ..................................313
Positioning a floor jack .......315
Engine compartment..........317
12-volt battery ....................327
Tires ...................................331
Tire inflation pressure ........343
Wheels ...............................345
Air conditioning filter ..........347
Wiper rubber replacement .....................349
Electronic key battery ........351
Checking and replacing fuses ................................353
Light bulbs .........................357
7-1. Essential information Emergency flashers ...........368
If your vehicle has to be stopped in an
emergency .......................369 7-2. Steps to take in an
emergency
If your vehicle needs to be towed ..................... 370
If you think something is wrong .............................. 375
If a warning light turns on or a warning buzzer
sounds ............................ 376
If a warning message is displayed ......................... 388
If you have a flat tire (vehicles with a
spare tire) ........................ 404
If you have a flat tire (vehicles without a
spare tire) ........................ 418
If the hybrid system will not start ........................... 435
If the electronic key does not operate properly ........ 437
If the 12-volt battery is discharged ...................... 439
If your vehicle overheats ........................ 444
If the vehicle becomes stuck................................ 449
7When trouble arises

981-3. Theft deterrent system
PRIUS +_OM_OM47B16E_(EE)
■System maintenance
The vehicle has a maintenance-free type alarm system.
■ Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of
the following.
● Nobody is in the vehicle.
● The windows is closed before the alarm is set.
● No valuables or other personal items are left in the vehicle.
■ Triggering of the alarm
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
●The doors are unlocked using the
mechanical key.
● A person inside the vehicle opens a door
or hood.
● The 12-volt battery is recharged or
replaced when the vehicle is locked.
(→ P. 441)

991-3. Theft deterrent system
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PRIUS +_OM_OM47B16E_(EE)
For safety and security
■Alarm-operated door lock
●When the alarm is operating, the doors are locked automatically to prevent
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
12-volt battery.
■ Customization
The alarm can be set to deactivate when the mechanical key is used to
unlock.
(Customizable features: →P. 465)
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.

1393-1. Key information
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Operation of each component
PRIUS +_OM_OM47B16E_(EE)
To take out the mechanical key,
press the release button and take
the key out.
After using the mechanical key,
store it in the electronic key. Carry
the mechanical key together with
the electronic key. If the electronic
key battery is depleted or the entry
function does not operate properly,
you will need the mechanical key.
(→ P. 437)
■If you lose your mechanical keys
New genuine mechanical keys can be made by any authorized Toyota dealer
or repairer, or another duly qualified and equipped professional using another
mechanical key and the key number stamped on your key number plate.
Keep the plate in a safe place such as your wallet, not in the vehicle.
■ When riding in an aircraft
When bringing an electronic key onto an aircraft, make sure you do not press
any buttons on the electronic key while inside the aircraft cabin. If you are
carrying an electronic key in your bag etc., ensure that the buttons are not
likely to be pressed accidentally. Pressing a button may cause the electronic
key to emit radio waves that could interfere with the operation of the aircraft.
Using the mechanical key

1403-1. Key information
PRIUS +_OM_OM47B16E_(EE)■
Electronic key battery depletion
●The standard battery life is 1 to 2 years.
● If the battery becomes low, an alarm will sound in the cabin and a message
will be displayed on the multi-information display (if equipped) when the
hybrid system stops. ( →P. 403)
● As the electronic key always receives radio waves, the battery will become
depleted even if the electronic key is not used. The following symptoms indi-
cate that the electronic key battery may be depleted. Replace the battery
when necessary. ( →P. 351)
• The smart entry & start system or the wireless remote control does not operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on.
● To avoid serious deterioration, do not leave the electronic key within 1 m (3
ft.) of the following electrical appl iances that produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
• Induction cookers
• Table lamps
■ Replacing the battery
→ P. 351
■ If a wrong key is used
The key cylinder rotates freely to isolate inside mechanism.

1433-2. Opening, closing and locking the doors
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Operation of each component
PRIUS +_OM_OM47B16E_(EE)
■Operation signals
The emergency flashers flash to indicate that the doors have been locked/
unlocked. (Locked: Once; Unlocked: Twice)
■ Security feature
If a door is not opened within approximately 30 seconds after the vehicle is
unlocked, the security feature automatically locks the vehicle again.
■ When the door cannot be locked by the lock sensor on the upper part of
the door handle
■ Door lock buzzer
If an attempt to lock the doors is made when a door is not fully closed, a
buzzer sounds continuously for 5 seconds. Fully close the door to stop the
buzzer, and lock the vehicle once more.
■ Setting the alarm (if equipped)
Locking the doors will set the alarm system. ( →P. 97)
■ If the smart entry & start system or the wireless remote control does not
operate properly
● Use the mechanical key to lock and unlock the doors. ( →P. 437)
● Replace the key battery with a new one if it is depleted. ( →P. 351)
If the door will not lock even when the top-
side sensor area is touched, try touching
both the topside and underside sensor
areas at the same time.

1533-2. Opening, closing and locking the doors
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Operation of each component
PRIUS +_OM_OM47B16E_(EE)■
Battery-saving function
The battery-saving function will be activated in order to prevent the electronic
key battery and the 12-volt battery from being discharged while the vehicle is
not in operation for a long time.
●In the following situations, the smart entry & start system may take some
time to unlock the doors.
• The electronic key has been left in an area of approximately 2 m (6 ft.) of
the outside of the vehicle for 10 minutes or longer.
• The smart entry & start system has not been used for 5 days or longer.
● If the smart entry & start system has not been used for 14 days or longer,
the doors cannot be unlocked at any doors except the driver’s door. In this
case, take hold of the driver’s door handle, or use the wireless remote con-
trol or the mechanical key, to unlock the doors.
Interior alarm
pings repeatedly
The power switch was
turned to ACCESSORY
mode while the driver’s door
was open (The driver’s door
was opened when the
power switch was in
ACCESSORY mode).
Turn the power switch
off and close the
driver’s door.
The driver’s door was
opened while any shift posi-
tion other than P was
selected without turning off
the power switch.
Shift the shift position
to P.
AlarmSituationCorrection procedure

1543-2. Opening, closing and locking the doors
PRIUS +_OM_OM47B16E_(EE)■
Conditions affecting operation
The smart entry & start system, wireless remote control and immobilizer sys-
tem use weak radio waves. In the following situations, the communication
between the electronic key and the vehicle may be affected, preventing the
smart entry & start system, wireless remote control and immobilizer system
from operating properly.
(Ways of coping: →P. 437)
● When the electronic 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 electrical
noise
● When carrying a portable radio, cellular phone, cordless phone or other
wireless communication devices
● When the electronic key is in contact with, or is covered by the following
metallic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
• Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
● When other wireless key (that emit radio waves) is being used nearby
● When carrying the electronic key together with the following devices that
emit radio waves
• Another vehicle’s electronic key or a wireless key that emits radio waves
• Personal computers or personal digital assistants (PDAs)
• Digital audio players
• Portable game systems
● If window tint with a metallic content or metallic objects are attached to the
rear window

2034-2. Driving procedures
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Driving
PRIUS +_OM_OM47B16E_(EE)
Modes can be changed by pressing the power switch with the brake
pedal released. (The mode changes each time the switch is pressed.)Off
The emergency flashers can be
used.
ACCESSORY mode
Some electrical components such
as the audio system can be used.
The power switch indicator turns
amber.
ON mode
All electrical components can be
used.
The power switch indicator turns
amber.
■Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes or ON
mode (the hybrid system is not operating) for more than an hour with the shift
position in P, the power switch will automatically turn off. However, this func-
tion cannot entirely prevent the 12-volt battery discharge. Do not leave the
vehicle with the power switch in ACCESSORY or ON mode for long periods
of time when the hybrid system is not operating.
■ Sounds and vibrations specific to a hybrid vehicle
→ P. 8 4
■ Electronic key battery depletion
→ P. 140
Changing power switch modes
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2044-2. Driving procedures
PRIUS +_OM_OM47B16E_(EE)■
When the ambient temperature is low, such as during winter driving con-
ditions
When starting the hybrid system, the fl ashing time of the “READY” indicator
may be long. Leave the vehicle as it is until the “READY” indicator is steady
on, as steady means the vehicle is able to move.
■ Conditions affecting operation
→ P. 154
■ Note for the entry function
→ P. 155
■ If the hybrid system does not start
The immobilizer system may not have been deactivated. ( →P. 91)
Contact any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional.
■ When the power switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by any autho-
rized Toyota dealer or repairer, or another duly qualified and equipped profes-
sional immediately.
■ If the “READY” indicator does not come on
In the event that the “READY” indicator does not come on even after perform-
ing the proper procedures for starting the vehicle, contact any authorized
Toyota dealer or repairer, or another duly qualified and equipped professional
immediately.
■ If the hybrid system is malfunctioning
→ P. 390
■ If the electronic key battery is depleted
→ P. 351
■ Operation of the power switch
●When operating the power switch, one short, firm press is enough. If the
switch is pressed improperly, the hybr id 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 sys-
tem.
■ Automatically P position selection function
→ P. 2 11
■ When the shift control system malfunctions
The power switch will not be able to be turned off. In such a case, the switch
can be turned off after applying the parking brake.
Have the vehicle inspected by any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional immediately.