2020 TOYOTA YARIS key battery

6729-2. Customization
YARIS_F_OM_Europe_OM52A54E
■Illumination ( P. 460)
*: Vehicles with a smart entry & start system
FunctionDefault
setting
Customized
setting
Time elapsed before the inte-
rior lights turn off 15 seconds 7.5 seconds —O O 30 seconds
Operation when the doors are
unlocked ON OFF — — O
Operation after the engine
switch is turned off ON OFF — — O
Operation when you approach
the vehicle with the electronic
key on your person*
ON OFF — — O
Interior lights illumination con-
trol ON OFF — — O
WARNING
■ During customization
As the engine needs to be running 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 battery discharge, ensure that the engine is running while cus-
tomizing features.
123

676What to do if... (Troubleshooting)
YARIS_F_OM_Europe_OM52A54E
What to do if... (Troubleshooting)
●If you lose your keys, new genuine keys can be made by any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer.
(P. 145)
●If you lose your electronic keys, the risk of vehicle theft increases signifi-
cantly. Contact any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer immediately. (P. 153)
●Is the key battery weak or depleted? (P. 537)
●Vehicles with a smart entry & start system:
Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (P. 245)
●Vehicles with a smart entry & start system:
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. 145, 170)
●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. 159)
If you have a problem, check the following before contacting any
authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer.
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

677What to do if... (Troubleshooting)
YARIS_F_OM_Europe_OM52A54E
●Vehicles with a Multidrive:
Is the shift lever in P? ( P. 2 4 1 )
●Vehicles with a manual transmission:
Did you turn the key while firmly depressing the clutch pedal? ( P. 241)
●Is the battery discharged? (P. 634)
●Vehicles with a Multidrive:
Did you press the engine switch while firmly depressing the brake pedal?
( P. 243)
●Vehicles with a manual transmission:
Did you press the engine switch while firmly depressing the clutch pedal?
( P. 243)
●Vehicles with a Multidrive:
Is the shift lever in P? ( P. 2 4 3 )
●Is the electronic key anywhere detectable inside the vehicle? (P. 168)
●Is the steering wheel unlocked? (P. 249)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. ( P. 631)
●Is the battery discharged? (P. 634)
If you think something is wrong
The engine does not start
(vehicles without a smart entry & start system)
The engine does not start
(vehicles with a smart entry & start system)

681Alphabetical index
YARIS_F_OM_Europe_OM52A54E
Automatic air conditioning
system .................................... 448
Air conditioning filter.............. 534
Automatic air conditioning
system ................................ 448
Automatic High Beam ............. 314
Automatic light control
system.................................... 269
Auxiliary boxes ........................ 469
Back door
Back door .............................. 161
Luggage compartment
light ..................................... 163
Back-up lights
Replacing light bulb............... 563
Wattage................................. 663
Battery ...................................... 504
If the vehicle battery is
discharged .......................... 634
Preparing and checking
before winter....................... 362
Replacing .............................. 637
Warning light ......................... 581
Bluetooth
®*2
Audio system ........................ 420
Hands-free system
(for cellular phone).............. 423
Bottle holders........................... 465
Brake
Fluid ...................................... 658
Parking brake ........................ 265
Warning light ......................... 581
Brake assist.............................. 355
Break-in tips ............................ 223
Brightness control
Instrument cluster light
control......................... 116, 120Care................................... 478, 482
Aluminum wheels.................. 479
Exterior ................................. 478
Interior................................... 482
Seat belts .............................. 483
CD player .................................. 378
Chains....................................... 364
Child restraint system ............... 62
Fixed with a seat belt .............. 78
Fixed with an ISOFIX
lower anchorage ................... 80
Points to remember ................ 63
Riding with children................. 61
Types of child restraint system
installation method ............... 77
Using a top tether
anchorage ............................ 82
Child safety ................................ 61
Airbag precautions .................. 47
Back door precautions .......... 164
Battery precautions ............... 505
Child restraint system ............. 62
How your child should wear
the seat belt.......................... 41
Installing child restraints ......... 77
Power window lock switch .... 214
Power window precautions ... 217
Rear door child-protectors .... 159
Removed key battery
precautions......................... 539
Seat belt precautions .............. 42
Seat heater precaution ......... 458
B
C
*1: Refer to “Navigation and multimedia system Owner’s manual”.

*2: Bluetooth is a registered trademark of Bluetooth SIG, Inc.

683Alphabetical index
YARIS_F_OM_Europe_OM52A54E
Eco Driving Indicator Light ..... 114
Electric Power Steering
(EPS) ....................................... 355
Function ................................ 355
Warning light ......................... 582
Electronic key .......................... 142
Battery-saving function ......... 169
If the electronic key does not
operate properly ................. 631
Replacing the battery ............ 537
Emergency brake signal ......... 355
Emergency flashers................. 568
Emergency, in case of
If a warning message
is displayed ......................... 581
If the electronic key does
not operate properly ........... 631
If the engine will not start ...... 629
If the vehicle battery is
discharged .......................... 634
If the vehicle is trapped
in rising water ..................... 571
If the warning buzzer
sounds ................................ 581
If the warning light
turns on............................... 581
If you have a flat tire...... 596, 614
If you lose your keys ............. 145
If you think something is
wrong .................................. 579
If your vehicle becomes
stuck ................................... 643
If your vehicle has to be
stopped in an emergency ... 569
If your vehicle needs to be
towed .................................. 572
If your vehicle overheats ....... 639Engine
“ACC” position ...................... 241
Accessory mode ................... 245
Compartment ........................ 495
Engine switch................ 241, 243
Hood ..................................... 491
How to start
the engine................... 241, 243
Identification number ............ 648
If the engine will not start ...... 629
If your vehicle has to be
stopped in an emergency ... 569
Ignition switch
(engine switch) ........... 241, 243
Overheating .......................... 639
Engine coolant ......................... 501
Capacity ................................ 655
Checking ............................... 501
Preparing and checking
before winter....................... 362
Engine coolant temperature
warning light .......................... 582
Engine immobilizer system ...... 85
Engine oil ................................. 497
Capacity ................................ 650
Checking ............................... 497
Preparing and checking
before winter....................... 362
Warning lights ....................... 581
Oil pressure warning
messages ........................... 592
Engine switch
(ignition switch)............. 241, 243
Engine switch light
(ignition switch light) ............ 460
EPS (Electric Power
Steering)................................. 355
Function ................................ 355
Warning light ......................... 582
E

685Alphabetical index
YARIS_F_OM_Europe_OM52A54E
Identification ............................ 648
Engine ................................... 648
Vehicle .................................. 648
Ignition switch
(engine switch) .............. 241, 243
Ignition switch light
(engine switch light).............. 460
Illuminated entry system......... 461
Immobilizer system ................... 85
Indicators.................................. 112
Initialization
Items to initialize ................... 673
Tire pressure warning
system ................................ 510
Inside rear view mirror ............ 209
Instrument cluster light
control .................................... 116
Interior lights ............................ 460
Switch ................................... 460
Wattage................................. 663
ISOFIX lower anchorage ........... 80
Jack
Positioning a floor jack .......... 493
Vehicle-equipped jack ........... 615
Jack handle ...................... 599, 615
Jam protection function
Power window ....................... 215
Keyless entry
Smart entry & start system.... 167
Wireless remote control ........ 143Keys .......................................... 142
Battery-saving function ......... 169
Electronic key ....................... 142
Engine switch................ 241, 243
If the electronic key does
not operate properly ........... 631
If you lose your keys ............. 145
Ignition switch ............... 241, 243
Key number plate.................. 142
Keyless entry ........................ 143
Mechanical key ..................... 144
Replacing the battery ............ 537
Warning buzzer..................... 168
Wireless remote control
key...................................... 143
Knee airbags .............................. 45
Lane Departure Alert (LDA) .... 307
LDA (Lane Departure Alert) .... 307
Lever
Auxiliary catch lever .............. 491
Hood lock release lever ........ 491
Shift lever ...................... 252, 260
Turn signal lever ................... 264
Wiper lever.................... 273, 277
License plate lights ................. 266
Light switch ........................... 266
Replacing light bulbs............. 561
Wattage ................................ 663
Light bulbs
Replacing .............................. 547
Wattage ................................ 663
I
J
K
L
*: For vehicles with navigation/multimedia system, refer to “Navigation
and multimedia system Owner’s manual”.

687Alphabetical index
YARIS_F_OM_Europe_OM52A54E
Paddle shift switches ...... 254, 255
Parking brake ........................... 265
Operation .............................. 265
Parking brake engaged
warning buzzer ................... 581
PCS (Pre-Crash Safety
system) ................................... 290
Function ................................ 290
PCS switch............................ 294
Warning light ......................... 583
Warning message ................. 305
Personal lights ......................... 461
Switch ................................... 461
Wattage................................. 663
Portable ashtray....................... 472
Power outlet ............................. 474
Power steering ......................... 355
Warning light ......................... 582
Power windows ........................ 214
Jam protection function ......... 215
Operation .............................. 214
Window lock switch ............... 214
Pre-Crash Safety
system (PCS) ......................... 290
Function ................................ 290
PCS switch............................ 294
Warning light ......................... 583
Warning message ................. 305Radiator .................................... 503
Radio......................................... 374
Radio data system ................... 376
RDS ........................................... 376
Rear fog light ........................... 271
Replacing light bulbs............. 565
Switch ................................... 271
Wattage ................................ 663
Rear passengers’ seat belt
reminder light ........................ 585
Rear seat .................................. 201
Folding down the rear
seatbacks ........................... 201
Rear turn signal lights............. 264
Replacing light bulbs............. 559
Turn signal lever ................... 264
Wattage ................................ 663
Rear view mirror
Inside rear view mirror .......... 209
Outside rear view mirrors...... 211
Rear view monitor
*
Rear view monitor system ...... 334
Rear window defogger .... 442, 453
Rear window wiper .................. 277
Refueling .................................. 279
Capacity ................................ 650
Fuel types ............................. 650
Opening the fuel tank cap ..... 281
Replacing
Electronic key battery ........... 537
Fuses .................................... 541
Light bulbs ............................ 547
Tires .............................. 596, 614
Wireless remote control
battery ................................ 537
Roof shade ............................... 475
PR
*: For vehicles with navigation/multimedia system, refer to “Navigation
and multimedia system Owner’s manual”.

691Alphabetical index
YARIS_F_OM_Europe_OM52A54E
Warning lights .......................... 110
ABS ....................................... 582
Automatic High Beam
indicator .............................. 584
Brake system ........................ 581
Charging system ................... 581
Cruise control indicator ......... 584
Driver’s and front
passenger’s seat belt
reminder light...................... 585
Electric power steering
system ................................ 582
Engine coolant
temperature ........................ 582
Engine oil pressure ............... 581
Engine system ...................... 582
High engine coolant
temperature ........................ 582
Lane marker indicators ......... 584
LDA (Lane Departure Alert)
indicator .............................. 584
Low engine oil pressure ........ 581
Low fuel level ........................ 585
Malfunction indicator lamp .... 582
Master warning ..................... 585
Open door ............................. 584
PCS (Pre-Crash Safety
system) ............................... 583
Rear passengers’ seat belt
reminder lights .................... 585
Slip indicator ......................... 583
Smart entry &
start system indicator.......... 584
Speed limiter indicator .......... 584
SRS....................................... 582
Stop & Start cancel
indicator .............................. 584
Tire pressure ......................... 585
Warning messages ............... 592Washer.............................. 273, 277
Checking ............................... 507
Preparing and checking
before winter....................... 362
Switch ........................... 273, 277
Washing and waxing ............... 478
Weight....................................... 646
Wheels ...................................... 530
Replacing .............................. 530
Size ....................................... 659
Window glasses....................... 214
Window lock switch ................ 214
Windows ................................... 214
Power windows ..................... 214
Rear window
defogger ..................... 442, 453
Washer ................................. 273
Windshield wiper ..................... 273
Intermittent
windshield wiper ................. 273
Rain-sensing
windshield wiper ................. 274
Winter driving tips ................... 362
Wireless remote control
key .......................................... 143
Battery-saving function ......... 169
Locking/Unlocking................. 143
Replacing the battery ............ 537
WMA disc ................................. 378