2016 TOYOTA PRIUS key battery

PRIUS_OM_OM47A29U_(U)
7599-2. Customization
9
Vehicle specifications
■Vehicle customization
●When the Speed linked door locking function and the Shift position linked
door locking function are both on, the door lock operates as follows.
• When shifting the shift position to any position other than P, all the doors
will be locked.
• If the vehicle is started with all the doors locked, the Speed linked door locking function would not operate.
• If the vehicle is started with any door unlocked, the Speed linked door locking function will operate.
● When the smart key system is off, Smart door unlocking cannot be custom-
ized.
● When the doors remain closed after unlocking the doors and the automatic
door lock function is activated, the signals will be generated in accordance
with the operation signal (buzzer) and the operation signal (emergency
flashers) settings.
■ In the following situations, customiz e mode will automatically be turned
off.
● A warning message appears after the customize mode screen is displayed.
● The power switch is turned off.
● The vehicle begins to move while the customize mode screen is displayed.
■
Maintenance system
WARNING
■ Cautions during customization
As the hybrid system needs to be oper ating during customization, ensure
that the vehicle is parked in a place with adequate ventilation. In a closed
area such as a garage, exhaust gases including harmful carbon monoxide
(CO) may collect and enter the vehicle. This may lead to death or a serious
health hazard.
NOTICE
■ During customization
To prevent 12-volt battery discharge, ensure that the hybrid system is oper-
ating while customizing features.
Oil Maintenance
(U.S.A. only)Resetting the message indicating maintenance
is required:  P. 579
Tire pressure warning
systemInitializing the tire pr essure warning system:
 P. 6 0 7

778What to do if... (Troubleshooting)
PRIUS_OM_OM47A29U_(U)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be
made by your Toyota dealer. (P. 161)
●If you lose your electronic keys, the risk of vehicle theft increases signifi-
cantly. Contact your Toyota dealer immediately. ( P. 164)
●Is the electronic key battery weak or depleted? (P. 628)
●Is the power switch in ON mode?
When locking the doors, turn the power switch off. ( P. 227)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on
your person.
●The function may not operate properly due to the condition of the radio
wave. (P. 178)
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is
set. Open the rear door from outside and then unlock the child-protector
lock. (P. 168)
If you have a problem, check the following before contacting
your Toyota dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened

779What to do if... (Troubleshooting)
PRIUS_OM_OM47A29U_(U)
●Did you press the power switch while firmly depressing the brake pedal?
( P. 225)
●Is the shift position in P? ( P. 235)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 176)
●Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary way.
( P. 709)
●Is the 12-volt battery discharged? ( P. 711)
●Is the window lock switch pressed?
The power windows except for the one at the driver’s seat cannot be oper-
ated if the window lock switch is pressed. ( P. 198)
●The auto power off function will be operated if the vehicle is left in
ACCESSORY or ON mode (the hybrid system is not operating) for a
period of time. (P. 227)
If you think something is wrong
The hybrid system does not start
The windows do not open or close by operating the power
window switches
The power switch is turned off automatically

783Alphabetical index
PRIUS_OM_OM47A29U_(U)
AntennaSmart key system ................. 176
Radio .................................... 439
Anti-lock brake system (ABS) ...................................... 404
Function ................................ 404
Warning light ......................... 656
Approach warning ................... 309
Armrest ..................................... 552
Assist grips .............................. 553
Audio input............................... 425
Audio system
(Entune Audio) ...................... 421Antenna ................................ 439
Audio input ............................ 425
AUX port ............................... 456
Basic operations ................... 426
Bluetooth
® audio................... 468
CD player .............................. 440
iPod....................................... 446
MP3/WMA disc ..................... 440
Optimal use........................... 437
Portable music player ........... 425
Radio .................................... 438
Steering wheel audio switches.............................. 424
USB memory ........................ 451
Audio system (Entune Premium Audio with Navigation)
*
Automatic air conditioning systemAir conditioning filter ............. 621
Automatic air conditioning system ......... ....................... 512
Climate control ...................... 516
Eco score (A/C score)........... 136
Fresh air intake system......... 516
Humidity sensor .................... 519
Settings screen ..................... 515
S-FLOW mode ...................... 514 Automatic door locking
and unlocking systems ........ 168
Automatic High Beam ............. 247
Automatic light control system.................................... 245
AUX port ................................... 425
Auxiliary boxes ........................ 532
Back door ................................. 171
Back-up lights Replacing light bulbs ............ 639
Wattage ................................ 736
Battery (12-volt battery)
Battery checking ................... 598
If the 12-volt battery is discharged.......................... 711
Preparing and checking before winter ...................... 414
Warning light......................... 655
Battery (traction battery) .......... 82
Blind Spot Monitor (BSM) ....... 322
Bluetooth
®............................... 499
Audio system ....... ................. 468
Hands-free system (for cellular phone) ............. 470
Registering/removing
a Bluetooth
® device ........... 462
Selecting a Bluetooth®
device ................................. 464
Wireless communication....... 457
B
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

784Alphabetical index
PRIUS_OM_OM47A29U_(U)
Bluetooth® audio ..................... 468
Bluetooth® phone .................... 470
Deleting the call history......... 490
Making a call ......................... 473
Managing the contacts.......... 486
Message function.................. 480
Phone settings ...................... 485
Receiving a call..................... 476
Speaking on the phone ......... 477
Bottle holders .......................... 530
Brake Fluid ...................................... 733
Parking brake........................ 241
Regenerative braking.............. 80
Warning light ......................... 655
Brake assist ............................. 404
Brake Override System ........... 209
Break-in tips ............................. 210
Brightness control Instrument cluster
light control ........................... 94
BSM (Blind Spot Monitor) ....... 322
Care Aluminum wheels.................. 569
Camera sensor ..................... 271
Exterior ................................. 568
Interior................................... 574
Radar sensor ........................ 270
Seat belts .............................. 575
Water-repellent coating......... 569
Cargo capacity ......................... 222
Catch protection function ....... 199
Cargo hooks............................. 534 CD player.................................. 440
Chains ...................................... 415
Child restraint system............... 58
Fixed with a LATCH system .......... ..................... ... 71
Fixed with a seat belt .............. 65
Front passenger occupant classification syst em ............ 50
Points to remember ................ 59
Riding with children ................ 57
Types of child restraint system installation
method ................................. 61
Using an anchor
bracket ................................. 74
Child safety ................................ 57 12-volt battery precautions ... 599
Airbag precautions.................. 39
Back door precautions .......... 173
Child restraint system ............. 58
How your child should
wear the seat belt ................. 31
Installing child restraints ......... 61
Moon roof precautions .......... 205
Power window lock switch .... 198
Power window precautions ... 200
Rear door child-protectors .... 168
Removed key battery
precautions......................... 630
Riding with children ................ 57
Seat belt extender
precautions........................... 35
Seat belt precautions .............. 70
Seat heater precautions ....... 523
C

786Alphabetical index
PRIUS_OM_OM47A29U_(U)
DoorsAutomatic door locking
and unlocking system ......... 168
Back door.............................. 171
Door glasses ......................... 198
Door lock............................... 165
Open door warning buzzer ... 657
Open door warning light........ 657
Outside rear view mirrors...... 196
Rear door child-protectors .... 168
Side doors............................. 165
Drive information ..................... 116
Drive-Start Control .................. 210
Driver’s seat belt reminder light......................................... 658
Driving Break-in tips .......................... 210
Correct posture ....................... 28
Driving in the rain .................. 209
Driving mode select switch ... 320
Hybrid vehicle driving tips ..... 411
Procedures ........................... 208
Winter drive tips .................... 414
Dynamic radar cruise control with full-speed range ............ 300 ECB (Electronically
Controlled Brake System) .... 404
Eco drive mode........................ 320
EDR (Event data recorder) .............. 11
Electric motor Location .................................. 78
Specification ......................... 729
Electric Power Steering (EPS) Function ................................ 404
Warning light......................... 656
Electronic key If the electronic key does not operate properly ........... 708
Replacing the battery............ 628
Electronically Controlled Brake System (ECB) ............. 404
Emergency flashers ................ 646
Emergency, in case of If a warning buzzer sounds... 655
If a warning light turns on ..... 655
If a warning message is displayed ............................ 665
If the 12-volt battery is discharged.......................... 711
If the electronic key does not operate properly ........... 708
If the hybrid system will not start .............................. 706E

790Alphabetical index
PRIUS_OM_OM47A29U_(U)
JackPositioning a floor jack .......... 590
Vehicle-equipped jack... 674, 689
Jack handle ...................... 674, 689
Jam protection function Moon roof.............................. 203
Power windows ..................... 199
Keyless entry Smart key system ................. 176
Wireless remote control ........ 160
Keys .......................................... 160 Electronic key ....................... 160
Engine switch........................ 225
If the electronic key does not operate properly ........... 708
If you lose your keys ..... 161, 164
Key number plate.................. 160
Keyless entry ........................ 160
Keys ...................................... 160
Mechanical key ..................... 160
Power switch......................... 225
Replacing the battery ............ 628
Warning buzzer..................... 177
Wireless remote control key ...................................... 160
Knee airbags .............................. 36 Language
(multi-information display)... 142
LATCH system ........................... 61
LDA (Lane Departure Alert with steering control) ........... 289
Lever Auxiliary catch lever.............. 588
Hood lock release lever ........ 588
Shift lever.............................. 234
Turn signal lever ................... 240
Wiper lever ........................... 254
License plate lights Light switch ........................... 242
Replacing light bulbs ............ 642
Light Automatic High Beam system .......... ...................... 247
Door courtesy lights .............. 525
Fog light switch ..................... 252
Headlight switch ................... 242
Illuminated entry system ....... 527
Interior lights ................. 526, 527
Interior light list ..................... 525
Luggage compartment light..................................... 172
Personal lights ...................... 526
Replacing light bulbs ............ 636
Shift lever light ...................... 525
Turn signal lever ................... 240
Vanity lights .......................... 542
Wattage ................................ 736
Light bulbs Replacing.............................. 636
Wattage ................................ 736
Luggage cover ......................... 537
J
K
L

793Alphabetical index
PRIUS_OM_OM47A29U_(U)
Power switch............................ 225Auto power off function ......... 227
Changing the power
switch modes...................... 227
If your vehicle has to be
stopped in an emergency ... 647
Starting the hybrid system .... 225
Power windows
Catch protection function ...... 199
Door lock linked window operation ............................ 200
Jam protection function......... 199
Operation .............................. 198
Window lock switch............... 198
Pre-Collision System (PCS) Enabling/disabling the system ......... ....................... 279
Function ................................ 275
Warning light ......................... 656
Radar cruise control (dynamic radar cruise
control with full-speed
range) ..................................... 300
Radiator .................................... 597
Radio......................................... 438
Rear seat .................................. 186
Rear side marker lights Light switch ........................... 242 Rear turn signal lights
Replacing light bulbs ............ 639
Turn signal lever ................... 240
Wattage ................................ 736
Rear view mirror
Inside rear view mirror .......... 194
Outside rear view mirrors ..... 196
Rear view monitor system ...... 394
Rear window defogger ............ 517
Rear window wiper .................. 260
Refueling .................................. 262
Capacity................................ 729
Fuel types ............................. 729
Opening the fuel tank cap..... 264
When the fuel filler door cannot be opened .............. 265
Regenerative braking ................ 80
Replacing
Electronic key battery ........... 628
Fuses .................................... 631
Light bulbs ............................ 636
Tires.............................. 673, 687
Resetting the message
indicating maintenance is
required.................................. 579
Reporting safety defects for U.S. owners...................... 762
Road accident cautions ............ 86
R
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.