key battery TOYOTA PRIUS 2014 3.G Owner's Manual

528 5-2. Steps to take in an emergency
PRIUS_OM_OM47857U_DVD_(U)
InteriorbuzzerExterior buzzerWarning messageDetailsCorrection procedure
Contin-
uous Contin-
uous
(Displayed alternately)(Flashes) The driver’s
door is opened
and closed
while the elec-
tronic key is out-
side the
detection range
and the
“POWER”
switch is in
ACCESSORY
or ON mode
with the shift
position not in P.
• Shift the
shift posi-
tion to P.
• Confirm the loca-
tion of the
electronic
key.
Once 
(Comes on for 15 seconds.)
The electronic
key battery is
low. Replace
the bat-
tery.
(
P. 460)
Once 
(Flashes)An open door
has been
closed and the
“POWER”
switch has been
turned twice to
the ACCES-
SORY mode
from OFF. Press the
“POWER”
switch
while
applying
the
brakes.

5
When trouble arises
529
5-2. Steps to take in an emergency
PRIUS_OM_OM47857U_DVD_(U)
Interior
buzzerExterior buzzerWarning messageDetailsCorrection procedure
Once 
(Flashes)The elec-
tronic key
does not
operate
properly.
P. 548
 Power
was
turned off
due to
the auto-
matic
power off
function.Next time when
starting the
hybrid system,
increase the
engine speed
slightly and
maintain that
level for approxi-
mately 5 min-
utes to recharge
the battery.
NOTICE
■
While the engine oil level warning is displayed
Continued engine operation with low engine oil will damage the engine.
■ Engine oil maintenance message
The warning message is based on the projected driving range after engine
oil maintenance message is reset.
The system does not monitor the purity of the engine oil.

5
When trouble arises
545
5-2. Steps to take in an emergency
PRIUS_OM_OM47857U_DVD_(U)
If the hybrid system will not start
Reasons for the hybrid system not starting vary depending on the
situation. Check the following a nd perform the appropriate proce-
dure:
■ The hybrid system will not start even though the correct
starting procedure is being followed ( P. 194)
One of the following may be the cause of the problem:
● The electronic key may not be functioning properly.
*
(  P. 548)
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. ( P. 4 0 )
● There may be a malfunction in the immobilizer system.
*
(  P. 138)
● There may be a malfunction in the P position control system.
*
( P. 199, 515)
*: It may not be possible to shift the shift position from P to other posi-
tion.
■ The interior lights and headlight s are dim, or the horn does
not sound or sounds at a low volume
One of the following may be the cause of the problem:
● The 12-volt battery may be discharged. ( P. 550)
● The 12-volt battery terminal c onnections may be loose or cor-
roded.

548
5-2. Steps to take in an emergency
PRIUS_OM_OM47857U_DVD_(U)
If the electronic key does not operate properly
Locking and unlocking the doorsUse the mechanical key (P. 60)
in order to perform the following
operations:
Locks all the doors
Unlocks the door
Turning the key rearward unlocks
the driver’s door. Turning the key
once again within 3 seconds
unlocks the other doors.
If communication between the electronic key and vehicle is inter-
rupted ( P. 74) or the electronic key cannot be used because the
battery is depleted, the smart key system and wireless remote con-
trol cannot be used. In such cases, the doors can be opened and the
hybrid system can be started by following the procedure below.
ITO52P12N

5
When trouble arises
549
5-2. Steps to take in an emergency
PRIUS_OM_OM47857U_DVD_(U)
Starting the hybrid system
Depress the brake pedal. Touch the Toyota emblem side of
the electronic key to the
“POWER” switch.
If any of the doors is opened or
closed while the key is being
touched to the switch, an alarm
will sound to indicate that the start
function cannot detect the elec-
tronic key.
Press the “POWER” switch within 10 seconds of the buzzer
sounding, keeping the brake pedal depressed.
In the event that the hybrid system still cannot be operated, contact
your Toyota dealer.
STEP 1
STEP 2
■ Stopping the hybrid system
Set the parking brake, shift the shift position to P and press the “POWER”
switch as you normally do when stopping the hybrid system.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the
electronic key battery be replaced immediately when the battery is depleted.
(P. 460)
■ Changing “POWER” switch modes
Within 10 seconds of the buzzer sounding, release the brake pedal and
press the “POWER” switch.
The hybrid system does not start and modes will be changed each time the
switch is pressed. ( P. 196)
STEP 3

625
Alphabetical index
PRIUS_OM_OM47857U_DVD_(U)
Back door
Back door ............................... 95
Smart key system ... ................ 63
Wireless remote control.......... 87
Back-up lights Replacing light bulbs ............ 473
Wattage ................................ 576
Battery Checking .............................. 437
If the 12-volt battery is
discharged ......................... 550
Preparing and checking
before winter ...................... 321
Bluetooth
®*
Bottle holders .......................... 366
Brake Fluid...................................... 574
Parking brake ....................... 214
Brake assist ............................. 300
Break-in tips ............................ 183
Brightness control Instrument panel light
control ................................ 219 Camera
*
Care
Exterior ..................................402
Interior ...................................405
Seat belts ..............................406
Cargo capacity .........................320
Cargo hooks .............................379
CD player
*
Chains .......................................323
Child restraint system
Booster seats, definition ........162
Booster seats, installation .....170
Convertible seats, definition .............................162
Convertible seats,
installation ...........................170
Front passenger occupant classification system ........... 156
Infant seats, definition ...........162
Infant seats, installation.........170
Installing child restraint system with LATCH anchors ...........168
Installing child restraint system with seat belts .....................170
Installing child restraint system
with top tether strap ............174
BC
GW Refer to

626 Alphabetical index
PRIUS_OM_OM47857U_DVD_(U)
Child safetyAirbag precautions ................150
Back door precautions ............97
Child restraint system............ 162
Child-protectors .......................90
How your child should wear the seat belt ........................ 113
Installing child restraints ........ 167
Power window lock switch..... 126
Power window precautions ... 128
Removed electronic key battery precautions ......................... 461
Seat belt extender precautions ......................... 118
Seat belt precautions ............ 114
Seat heater precautions ........ 374
12-volt battery precautions .... 440
Child-protectors .........................90
Cleaning
Exterior .................................. 402
Interior ................................... 405
Seat belts .............................. 406
Clock ......................................... 232
Condenser ................................ 432
Console box ............................. 363
Cooling system Engine overheating ............... 556
Hybrid system overheating.... 556
Cruise control Cruise control ........................ 268
Dynamic radar cruise control ................................. 272
Cup holders .............................. 364
Curtain shield airbags ............. 142
Customizable features............. 596 Daytime running light
system .................................... 255
Deck board ............................... 379
Defogger
Rear window ......................... 350
Side mirrors........................... 350
Dimensions .............................. 566
Dinghy towing .......................... 327
Display Dynamic radar cruise control ................................. 272
Multi-information ................... 225
Warning messages ............... 513
Do-it-yourself maintenance .... 416
Door lock Back door ................................ 95
Side doors ............................... 89
Smart key system .. ................. 63
Wireless remote control .......... 87
Doors Back door ................................ 95
Door glasses ......................... 126
Door lock ..................... 63, 87, 89
Rear door child-protector ........ 90
Side doors ............................... 89
Driver’s seat belt reminder light ......................................... 504
Driving
Break-in tips .......................... 183
Correct posture ..................... 140
Procedures............................ 182
Winter driving tips ................. 321D

627
Alphabetical index
PRIUS_OM_OM47857U_DVD_(U)
Eco drive mode switch ........... 206
Electric power steering........... 300
Electronic key
If the electronic key does not operate properly ................. 548
Replacing battery ................. 460
Emergency, in case of If a warning buzzer sounds ............................... 499
If a warning light turns on ..... 499
If the electronic key does not operate properly ................. 548
If the hybrid system will not start .................................... 545
If the 12-volt battery is
discharged ......................... 550
If you have a flat tire ............ 530
If you lose your keys............. 547
If you think something is wrong ................................. 498
If your vehicle becomes stuck................................... 561
If your vehicle has to be stopped in an
emergency ......................... 563
If your vehicle needs to be towed ................................. 491
If your vehicle overheats ...... 556
Emergency flashers Switch ................................... 490 Engine
Accessory mode....................196
Compartment ........................425
Hood......................................419
How to start the hybrid system ................................194
Identification number .............567
If the hybrid system will not start .....................................545
Ignition switch........................194
Overheating...........................556
“POWER” switch ...................194
Engine coolant Capacity ................................572
Checking ...............................430
Preparing and checking before winter .......................321
Engine/power control
unit coolantCapacity ................................572
Checking ...............................430
Preparing and checking before winter .......................321
Engine oil Capacity ................................569
Checking ...............................426
Preparing and checking before winter .......................321
Enhanced VSC .........................300
EPS ............................................300
EV drive mode switch ..............201
Event data recorder ...................25E

631
Alphabetical index
PRIUS_OM_OM47857U_DVD_(U)
Replacing
Electronic key battery ........... 460
Fuses.................................... 462
Light bulbs ............................ 473
Tires ..................................... 530
Reporting safety defects for
U.S. owners ........................... 606
Safety Connect ........................ 393
Seat belt reminder light .......... 504
Seat belts Adjusting the seat belt .......... 112
Automatic Locking Retractor (ALR).................................. 113
Child restraint system installation .......................... 167
Cleaning and maintaining
the seat belt ....................... 406
Emergency Locking Retractor (ELR) ................................. 113
How to wear your
seat belt ............................. 111
How your child should wear the seat belt ....................... 113
Pre-collision seat belts ......... 307
Pregnant women, proper seat belt use ........... 115
Reminder light ...................... 504
Seat belt extenders .............. 114
Seat belt instructions for Canadian owners .......... 607
Seat belt pretensioners ........ 112
Seat heaters ............................. 373
Seating capacity ...................... 320 Seats
Adjustment ................... 101, 104
Adjustment precautions .................103, 106
Child seats/child restraint system installation ..............167
Cleaning ................................405
Folding down the seatbacks............................105
Head restraint........................107
Properly sitting in the seat .....140
Seat heaters ..........................373
Service reminder indicators ..............................221
Shift lever
Transmission .........................204
Side airbags..............................142
Side marker lights Replacing light bulbs .............473
Switch....................................252
Wattage .................................576
Side mirrors
Adjusting and folding ............. 124
Smart key system Antenna location .....................66
Entry functions ........................63
Starting the hybr id system.....194
Solar Ventilation System .........343
SOS button ...............................393
Spare tire Inflation pressure...................575
Storage location ....................530
Spark plug ................................572
Specifications...........................566
Speedometer ............................216
S
*: Refer to “DISPLAY AUDIO SYSTEM OWNER’S MANUAL” or “NAVIGATION SYSTEM OWNER’S MANUAL”.

634 Alphabetical index
PRIUS_OM_OM47857U_DVD_(U)
Warning messages .................. 513
WasherChecking ............................... 435
Preparing and checking
before winter ....................... 321
Switch.................................... 260
Washing and waxing ............... 402
Weight Cargo capacity ...................... 320
Load limits ............................. 320
Weight ................................... 566
Wheels ...................................... 457
Window glasses ....................... 126
Window lock switch ................. 126
Windows
Power windows ..................... 126
Rear window defogger .......... 350
Washer .................................. 260
Windshield wipers ................... 260
Winter driving tips ................... 321
Wireless remote control key Locking/Unlocking ...................87
Replacing the battery ............ 460
WMA disc
*
*: Refer to “DISPLAY AUDIO SYSTEM OWNER’S MANUAL” or “NAVIGATION SYSTEM OWNER’S MANUAL”.