2015 TOYOTA PRIUS C battery

1102. Instrument cluster
PRIUS c_U (OM52E68U)
These images are examples only, and may vary slightly from actual
conditions.
When there is no energy flow
Hybrid battery (traction battery) statusLow FullLow Full
Audio system
Multi-information
display

1152. Instrument cluster
2
Instrument cluster
PRIUS c_U (OM52E68U)
■Remaining hybrid battery (tract ion battery) charge display
The charge amount of the hybrid battery (traction battery) is automatically
controlled by the hybrid system. For this reason, even if electricity is recov-
ered via the regenerative braking, or electricity is generated via the gasoline
engine, the displayed hybrid battery (traction battery) charge amount may not
reach the highest level (level 8). However, this does not indicate a malfunc-
tion.
■ Resetting the consumption data (audio system)
Selecting “Clear” on the “Trip Information” screen will reset the fuel consump-
tion and the regenerated energy for the past 15 minutes. Selecting “Clear” on
the “Past Record” screen will reset the past records and best past fuel con-
sumption. Selecting “Yes” on the following screen will confirm resetting of all
the data.
■ Updating the past record data (audio system)
Selecting “Update” on the “Past Record” screen will update the past record
data.
■ Menu screen selection (Multi-information display)
Press the “DISP” switch and select “Set-
tings & Screen Off”. Press and hold the
“DISP” switch while the cursor is on
“Menu Screen Selection” to change to
the settings screen.
The following screen changes and set-
tings can be performed:
• The eco savings record screen can be
switched on or off. ( P. 94)
• The 5 minute fuel consumption screen
can be switched on or off.
• Past record can be reset.
• The past record screen can be switched between off, monthly average
and personal best.

1213-1. Key information
3
Operation of each component
PRIUS c_U (OM52E68U)■
Key battery depletion
Vehicles without a smart key system
If the wireless remote control function does not operate, the battery may be
depleted. Replace the battery when necessary. ( P. 413)
Vehicles with a smart key system
● The standard battery life is 1 to 2 years.
● If the battery becomes low, an alarm will sound in the cabin when the hybrid
system stops. ( P. 459)
● 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. 413)
• The smart key 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 3 ft. (1
m) of the following electrical appliances 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. 413
■ Confirmation of the registered key number (vehicles with a smart key
system)
The number of keys already registered to the vehicle can be confirmed. Ask
your Toyota dealer for details.
■ If a wrong key is used (vehicles with a smart key system)
The key cylinder rotates freely to isolate inside mechanism.
■ Customization that can be configured at Toyota dealer
Settings (e.g. wireless remote control system) can be changed.
(Customizable features P. 514)

1223-1. Key information
PRIUS c_U (OM52E68U)■
Certification for wireless remote control
For vehicles sold in the U.S.A. and Puerto rico
FCC ID: HYQ23AAC
FCC ID: HYQ12BDM
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.

The FCC ID/IC Certification number is affixed inside the equipment. You can
find the ID/number when replacing the battery.
For vehicles sold in Canada
NOTE:
This device complies with Industry Canada licence-exempt RSS standard(s).
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.

The FCC ID/IC Certification number is affixed inside the equipment. You can
find the ID/number when replacing the battery.

1263-2. Opening, closing and locking the doors
PRIUS c_U (OM52E68U)
■Operation signals
Vehicles without a smart key system
The emergency flashers flash to indicate that the doors have been locked/
unlocked. (Locked: once; Unlocked: twice)
Vehicles with a smart key system
A buzzer sounds and 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 60 seconds after the vehicle is
unlocked, the security feature automatically locks the vehicle again. (How-
ever, depending on the location of the electronic key, the key may be
detected as being in the vehicle. In this case, vehicle may be unlocked.)
■ When the door cannot be locked by the lock sensor on the surface of the
door handle
■ Door lock buzzer (vehicl es with a smart key system)
If an attempt to lock the doors is made when a door is not fully closed, a
buzzer sounds continuously. Fully close the door to stop the buzzer, and lock
the vehicle once more.
■ If the smart key system or the wire less remote control does not operate
properly
Use the mechanical key to lock and unlock the doors. ( P. 476)
Replace the key battery with a new one if it is depleted. (P. 413) Use your palm to touch the lock sensor.

1313-2. Opening, closing and locking the doors
3
Operation of each component
PRIUS c_U (OM52E68U)
■Switching the door unlock function (vehicles with a smart key system)
It is possible to set which doors the entry function unlocks using the wireless
remote control.
Turn the “POWER” switch off.
When the indicator light on the key surface is not on, press and hold
or for about 5 seconds while pressing and holding .
The setting changes each time an operation is performed, as shown below.
(When changing the setting continuously, release the buttons, wait for at least
5 seconds, and repeat step 2.)
■ Conditions affecting the operation of the smart key system or wireless
remote control
Vehicles without a smart key system
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 fac ility that generates strong radio waves or electrical
noise
● When carrying a portable radio, cellular phone or other wireless communi-
cation device
● When the wireless key is in contact with, or is covered by a metallic object
● When other wireless keys (that emits radio waves) are being used nearby
● If window tint with a metallic content or metallic objects are attached to the
rear window
Vehicles with a smart key system
P. 140
1
2
Unlocking doorsBeep
Holding the driver's door handle
unlocks only the driver's door.
Exterior: Beeps 3 times
Interior: Beeps once
Holding the front passenger’s door
handle unlocks all the doors.
Holding either front door handle
unlocks all the doors.Exterior: Beeps twice
Interior: Beeps once

1393-2. Opening, closing and locking the doors
3
Operation of each component
PRIUS c_U (OM52E68U)■
Alarms and warning indicators
A combination of exterior and interior alarms as well as warning messages
shown on the multi-information display is used to prevent theft of the vehicle
and accidents resulting from erroneous operation. Take appropriate mea-
sures in response to any warning message on the multi-information display.
(  P. 450)
The following table describes circumstances and correction procedures when
only alarms are sounded.
■ Battery-saving function
The battery-saving function will be activa ted 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 key system may take some time to
unlock the doors.
• The electronic key has been left in an area of approximately 6 ft. (2 m) of
the outside of the vehicle for 10 minutes or longer.
• The smart key system has not been used for 5 days or longer.
● If the smart key system has not been used for 14 days or longer, the doors
cannot be unlocked at any of the doors except the driver’s door. In this case,
take hold of the driver’s door handle, or use the wireless remote control or
the mechanical key, to unlock the doors.
■ Electronic key battery-saving function
When battery-saving mode is set, batte ry depletion is minimized by stopping
the electronic key from receiving radio waves.
AlarmSituationCorrection procedure
Exterior alarm
sounds once for 5
seconds An attempt was made to
lock the vehicle while a door
was open. Close all of the doors
and lock the doors
again.
Interior alarm
sounds continu-
ously The “POWER” switch was
turned to ACCESSORY
mode while the driver's door
was open (or 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.
Press twice while pressing and
holding . Confirm that the elec-
tronic key indicator flashes 4 times.
While the battery-saving mode is set, the
smart key system cannot be used. To
cancel the function, press any of the
electronic key buttons.

1403-2. Opening, closing and locking the doors
PRIUS c_U (OM52E68U)■
Conditions affecting operation
The smart key system uses weak radio waves. In the following situations, the
communication between the electronic key and the vehicle may be affected,
preventing the smart key system, wireless remote control and immobilizer
system from operating properly.
(Ways of coping: P. 476)
● When the electronic key battery is depleted
● Near a TV tower, electric power plant, gas station, radio station, large dis-
play, airport or other fac ility that generates strong radio waves or electrical
noise
● 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 keys (that emit radio waves) are being used nearby
● When carrying the electronic key together with the following devices that
emit radio waves
• A portable radio, cellular phone, cordless phone or other wireless com-
munication device
• 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
● When the electronic key is placed near a battery charger or electronic
devices