
385
YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
5Maintenance and Care
5-1. Essential InformationIntroduction ....................... 386
5-2. Scheduled Maintenance Maintenance Monitor ........ 388
5-3. Owner Maintenance Owner Maintenance Precautions ..................... 390
Hood ................................. 392
Engine Compartment Overview ......................... 394
Engine Oil ......................... 395
Engine Coolant ................. 398
Brake/Clutch Fluid............. 401
Window Washer Fluid ....... 402
Body Lubrication ............... 403
Wiper Blades..................... 404
Battery............................... 408
Key Battery Replacement ................... 410
Tires .................................. 413
Light Bulbs ........................ 419
Fuses ................................ 435
5-4. Appearance Care Exterior Care ..................... 442
Interior Care ...................... 450

410
YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
5-3. Owner Maintenance
Key Batter y Replacement
If the buttons on the smart key are inoperable and the operation indi-
cator light does not flash, the battery may be dead.
Replace with a new ba ttery before the smart key becomes unusabl e.
The following conditions indicate that the battery power is low :
• The KEY indicator light (green) flashes in the combination met er for
about 30 seconds after the engine is switched OFF.
• The system does not operate and the operation indicator light on
the smart key does not flash when the buttons are pressed.
• The system’s operational range is reduced.
Replacing the battery at your Toyota dealer is recommended to p re-
vent damage to the key. If replac ing the battery by yourself, follow the
instruction below.
■Replacing the key battery
Press the knob and pull out
the auxiliary key.
Twist a tape-wrapped flat-
head screwdriver in the
direction of the arrow and
open the cover slightly.
Knob1
Cover
O

4125-3. Owner Maintenance
YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
Close the cover.
Reinsert the auxiliary key.7
NOTICE
●Make sure the battery is installed correctly. Battery leakage c ould occur if it
is not installed correctly.
● When replacing the battery, be careful not to touch any of the internal cir-
cuitry and electrical terminals, bend the electrical terminals, or get dirt in
the smart key as the smart key could be damaged.
● There is the danger of explosion if the battery is not correctl y replaced.
● Dispose of used batteries according to the following instructio ns.
• Insulate the plus and minus terminals of the battery using cellophane or equivalent tape.
• Never disassemble.
• Never throw the battery into fire or water.
• Never deform or crush.
● Replace only with the same type battery (CR2025 or equivalent).
8
●Be careful not to allow the rubber ring
shown in the figure to be scratched or
damaged.
● If the rubber ring detaches, reattach it
before inserting a new battery.Rubber ring

4946-7. Warning/Indicator Lights and Warning Sounds
YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
■ABS Warning Light
●When the engine is jump-started to charge the battery, uneven r pm occurs
and the ABS warning light may illuminate. If this occurs, it is the result of the
weak battery and does not indicate an ABS malfunction.
Recharge the battery.
● The brake assist system does not operate while the ABS warning light is illu-
minated.
(Flashing)
(if equipped)
Tire Pressure Monitoring System Warning Light
If the tire pressure monito ring system has a malfunc-
tion, the tire pressure warning light flashes for about 1
minute when the ignition is switched ON and then con-
tinues illuminating. Have your vehicle checked by your
Toyota dealer as soon as possible.
(Red)
(Illuminate)
KEY Warning Light
If any malfunction occurs in the keyless entry system, it
illuminates continuously.
Refer to Emergency Operation for Starting the Engine on
P. 162.
(if equipped)
LED Headlight Warning LightThis light illuminates if there is a malfunction in the LED
headlight. Have your vehicle inspected by your Toyota
dealer.
SignalWarning

YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
4976-7. Warning/Indicator Lights and Warning Sounds
6
If Trouble Arises
■KEY Warning Light
Take the appropriate action and verify that the warning light turns
off.
(Illuminate)
(if equipped)
Tire Pressure Monitoring
System Warning Light
When the warning light illu-
minates, and the warning
beep sound is heard (about
3 seconds), tire pressure is
too low in one or more tires.
Inspect the tires and
adjust to the specified
inflation pressure
( P. 4 1 3 ) .
(Amber)
Low Speed Pre-Collision Sys-
tem Warning Light
The light turns on if the wind-
shield is dirty or there is a
malfunction in the system.
Verify the reason why the
warning light is illuminated
on the center display
(P. 489).
If the reason why the
warning light is illuminated
is due to a dirty wind-
shield, clean the wind-
shield.
For any other reasons,
have the vehicle
inspected at your Toyota
dealer.
SignalWarningAction to be taken
SignalCauseAction to be taken
(Red)
(Flashing)
The smart key battery is dead.Replace the key battery
( P. 410).
The smart key is not within the
operation range.
Bring the smart key into
the operation range
(P. 98).The smart key is placed in
areas inside the cabin where it
is difficult for the key to be
detected.
A key from another manufac-
turer similar to the smart key is
in the operation range.Take the key from another
manufacturer similar to
the smart key out of the
operation range.
Without the ignition switched
off, the smart key is taken out of
the cabin, and then all the
doors are closed.
Bring the smart key back
into the cabin.

5046-7. Warning/Indicator Lights and Warning Sounds
YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
If the driver’s door is opened while the ignition is switched t o ACC, a
continuous beep sound will be heard to not ify the driver that the igni-
tion has not been switched off (S TOP). Left in this condition, the key-
less entry system will not operat e, the car cannot be locked, and the
battery power w ill be depleted.
■Vehicles with advan ced keyless function
If the key is taken out of the vehicle while the ignition is no t
switched OFF and all the doors are closed, the beep which sound s
outside of the vehicle will be hea rd 6 times, the beep which sounds
inside the vehicle w ill be heard 6 times.
■Vehicles without advan ced keyless function
If the key is taken out of the vehicle while the ignition is no t
switched OFF and all the doors are closed, a beep will be heard in
the cabin 6 times.
Because the key utilizes low-intensity radio waves, the Key Rem oved From
Vehicle Warning may activate if the key is carried together with a metal object
or it is placed in a poor signal reception area.
If the request switch is pressed with the door open or ajar, or the igni-
tion is not switched OFF with a key being carried, a beep will be heard
outside for about 2 seconds to not ify the driver that the door or liftgate/
trunk lid cannot be locked.
If the key is left in the luggage compartment/trunk with all th e doors
locked and the liftgate/trunk lid closed, a beep will be heard outside for
about 10 seconds to notify the dr iver that the key is in the luggage
compartment/trunk. In this case, take out the key by pressing the elec-
tric liftgate/trunk lid opener and opening the liftgate/trunk l id. The key
taken out of the luggage compartm ent/trunk may not operate because
its functions have been temporarily stopped. To restore the key ’s func-
tions, perform the applicable procedure ( P. 9 8 ) .
Ignition Not Switched Off (STOP) Warning Beep
Key Removed from Vehicle Warning Beep
Request Switch Inoperable Warning Beep (With the advanced
keyless function)
Key Left-in-Compartment/tr unk Warning Beep (With the
advanced keyless function)

564Alphabetical index
YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
Alphabetical index
Accessory Socket.................... 378
Active Safety System .............. 227Laser Sensor ........................ 234
Low Speed Pre-Collision System ............................... 228
Pre-Crash Safety Technology ......................... 227
Add-On Non-Genuine Parts
and Accessories.................... 514
Advanced Key Advanced keyless entry
system ......... ......................... 99
Operational range ................. 100
Advanced Keyless Entry
System ..................................... 99
Air Bag/Front Seat Belt Pretensioner System
Warning Beep ........................ 502
Air Bag Systems ........................ 66
Ambient Temperature Display ................................... 170
Antilock Brake System (ABS) ...................................... 215
Audio Control Switch Adjusting the Volume ............ 304
Seek Switch .......................... 305
Audio System........................... 271
Antenna ................................ 271
Audio Control Switch ............ 304
Audio Set .............................. 283
AUX/USB mode .................... 307
Operating Tips for Audio System ............................... 273 Automatic Transaxle ............... 181
Active Adaptive Shift
(AAS).................................. 184
Driving tips ............................ 191
Manual shift mode ................ 185
Shift-lock override ................. 185
Shift-lock system .................. 184
Shift position indication ......... 182
Transaxle ranges .................. 182
Warning light......................... 182
Battery ...................................... 408 Maintenance ......................... 409
Replacement ........................ 409
Specifications ....................... 548
Battery runs out....................... 478
Jump-Starting ....................... 478
Beep Sounds Key left-in-trunk
compartment warning......... 504
Key left-in-vehicle warning............................... 505
Request switch inoperable warning............................... 504
Bluetooth
®............................... 327
Bluetooth® Audio .................. 353
Bluetooth® Hands-Free ........ 339
Troubleshooting .................... 366
Body Lubrication ..................... 403
Bottle Holder ............................ 380
Brakes Brake assist .......................... 212
Foot brake ............................ 209
Pad wear indicator ................ 211
Parking brake ....................... 210
Warning light......................... 211
Break-In Period ........................ 141
A
B

567Alphabetical index
YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
Interior Care ............................. 450Cleaning the Lap/Shoulder
Belt Webbing ...................... 453
Cleaning the Upholstery and Interior Trim ........................ 451
Cleaning the Window Interiors .............................. 453
Dashboard Precautions ........ 450
Interior Lights .......................... 375 Map Lights ............................ 375
Overhead Lights ................... 375
Trunk Light ............................ 376
Jack........................................... 459
Jump-Starting .......................... 478
Key Left-in-trunk Compartment Warning Beep (With the
advanced keyless
function) ................................. 504
Key Left-in-vehicle Warning
Beep (With the advanced
keyless function) ................... 505
Key removed from vehicle warning beep ......................... 504
Key Suspend Function.............. 98
Keyless Entry System ............... 92
Keys ............................................ 90 Key suspend function ............. 98
Smart Key ............................... 93
Label Information .................... 546
Lane-Change Signals .............. 199
Laser Sensor ............................ 234
Light Bulbs Replacement......................... 419
Specifications........................ 552 Lighting Control ...................... 192
Lights-on reminder.................. 502
Low Speed Pre-Collision
System ................................... 228
Lubricant Quality ..................... 549
Maintenance
Information............................ 386
Maintenance Monitor .............. 388
Manual Transaxle Operation ............................... 177 Recommendations for shifting ................................ 179
Map Lights ............................... 375
Message Indi cated on
Display ................................... 500
Meters and Gauges ................. 164
Mirror Defogger ....................... 207
Mirrors Outside Mirrors ..................... 129
Rearview Mirror .................... 130
Odometer and Trip Meter ...................................... 165
Outside Mirrors........................ 129
Outside Te mperature
Display ................................... 170
Overhead Console................... 381
Overhead Lights ...................... 375
Overheating ............................. 484
Overloading ............................. 150
Owner Maintenance
Closing the Hood .................. 393
Engine Compartment Overview ............................ 394
Key battery replacement....... 410
Opening the Hood ................ 392
Owner Maintenance Precautions ........................ 390
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