key battery TOYOTA YARIS 2019 (in English) User Guide

YARIS SEDAN_OM_OM99S50z_(U)
1493-1. Start/Stop Engine
3
When Driving
After starting the engine, let it idle for about ten seconds.
●The key must be carried because the key carries an immobilizer chip that
must communicate with the engine controls at short range.
● The engine can be started when the push button start is pressed from off,
ACC, or ON.
● The push button start system functions (function which can star t the engine
by only carrying the key) can be deactivated to prevent any pos sible
adverse effect on a user wearing a pacemaker or other medical d evice. If
the system is deactivated, you will be unable to start the engi ne by carrying
the key. Consult your Toyota dealer for details. If the push bu tton start sys-
tem functions have been deactivated, you can start the engine b y following
the procedure indicated when the key battery goes dead.
Refer to Engine Start Function When Key Battery is Dead on P. 151.
● After starting a cold engine, the engine speed increases and a whining
sound from the engine compartment can be heard.
This is for improved exhaust gas purification and does not indicate defect of
the parts.
● Engine-starting is controlled by the spark ignition system.
This system meets all Canadian Interference-Causing Equipment Standard
requirements regulating the impul se electrical field strength of radio noise.
● Under the following conditions, the KEY warning light (red) fla shes after the
push button start is pressed to inform the driver that the push button start
will not switch to ACC even if it is pressed from off.
• The key battery is dead.
• The key is out of operational range.
• The key is placed in areas where it is difficult for the syste m to detect the
signal ( P. 94).
• A key from another manufacturer similar to the key is in the o perational
range.
8

YARIS SEDAN_OM_OM99S50z_(U)
1513-1. Start/Stop Engine
3
When Driving
If the engine cannot be started due to a dead key battery, the engine
can be started using the following procedure:
Continue to depress the brake pedal firmly until the engine has
completely started.
Manual transaxle:
Continue to depress the clutch p edal firmly until the engine has
completely started.
Make sure that the push button start indication light (green) f lashes.
The push button start indicator light (green) will flash even if the push but-
ton start is pressed before depressing the clutch pedal (manual transaxle)
or the brake pedal (automatic transaxle). If the clutch pedal i s depressed
(manual transaxle) or the brake pedal is depressed (automatic transaxle)
under this condition, the engine can be started by resuming the procedure
following this.
Touch the push button start
using the backside of the key
(as shown) while the push but-
ton start indicator light (green)
flashes.
When touching the push button
start using the backside of the key
as shown in the illustration, touch
the push button start with the lock
switch side of the key facing up.
Make sure that the push button start indicator light (green) tu rns on.
Press the push button start to start the engine.
● The engine cannot be started unless the clutch pedal is fully d epressed
(manual transaxle) or the brake pedal is fully depressed (autom atic tran-
saxle).
● If there is a malfunction with the push button start function, the push button
start indicator light (amber) flashes. In this case, the engine may start, how-
ever, have the vehicle checked at your Toyota dealer as soon as possible.
● If the push button start indicator light (green) does not illuminate, perform
the operation from the beginning again. If it does not illumina te, have the
vehicle checked at your Toyota dealer.
● To switch the ignition position without starting the engine, perform the follow-
ing operations after the push button start indicator light (gre en) turns on.
Release the clutch pedal (manual transaxle) or brake pedal (aut omatic
transaxle).
Engine Start Function Wh en Key Battery is Dead
1
2
3
Smart Key
Indicator light
Push button start
Q
R
S
N

152
YARIS SEDAN_OM_OM99S50z_(U)
3-1. Start/Stop Engine
Press the push button start to switch the ignition position. The ignition
switches in the order of ACC, ON, and off each time the push button start
is pressed. To switch the ignition position again, perform the operation
from the beginning.
If the KEY warning lig ht (red) illuminates, or the push button start indi-
cator light (amber) flashes, thi s could indicate that the engin e may not
start using the usual starting method. Have your vehicle inspec ted at
your Toyota dealer as soon as possible. If this occurs, the eng ine can
be force-started. Press and hold the push button start until th e engine
starts. Other procedures necessary for starting the engine such as
having the key in the cabin, and depressing the clutch pedal (m anual
transaxle) or the brake pedal (automatic transaxle) are require d.
NOTICE
When starting the engine by holding the smart key over the push button
start due to a dead key battery or a malfunctioning key, be careful not to
allow the following, otherwise the signal from the key will not be received
correctly and the engine may not start.
● Devices for electronic purchases, or security passage touch or come near
the key.
Emergency Operation for Starting the Engine
2
● Metal parts of other keys or metal
objects touch the key.
● Spare keys or keys for other vehicles
equipped with an immobilizer system
touch or come near the key.

153
YARIS SEDAN_OM_OM99S50z_(U)
3-1. Start/Stop Engine
3
When Driving
Turning the Engine Off
Stop the vehicle completely.
Manual transaxle:
Shift into neutral and set the parking brake.
Automatic transaxle:
Shift the selector lever to th e P position and set the parking brake.
Press the push button start to turn off the engine. The ignitio n posi-
tion is off.
● The cooling fan in the engine compartment could turn on for a f ew minutes
after the ignition is switched from ON to OFF, whether or not the A/C is on or
off, to cool the engine compartment quickly.
● When the push button start is pressed from ON to ACC or OFF, th e KEY
indicator light (green) may flash for approximately 30 seconds indicating
that the remaining battery power of the key is low.
Replace with a new battery before the key becomes unusable.
Refer to Key Battery Replacement on P. 456.
● Automatic transaxle:
If the engine is turned off while the selector lever is in a po sition other than
P, the ignition switches to ACC.
Continuously pressing the push button start or quickly pressing it two
or more times while the engine is running or the vehicle is bei ng
driven will turn the engine off immediately. The ignition switc hes to
ACC.
WARNING
■ Do not stop the engine while the vehicle is moving
Stopping the engine while the vehicle is moving for any reason other than in
an emergency is dangerous. Stopping the engine while the vehicl e is mov-
ing will result in reduced braking ability due to the loss of power braking,
which could cause an accident and serious injury.
NOTICE
When leaving the vehicle, make sure the push button start is off.
Emergency Engine Stop
1
2
3

422
YARIS SEDAN_OM_OM99S50z_(U)
4-4. Interior Equipment
■Trunk Light
The trunk light is on when the
lid is open and off when it’s
closed.
■Map Lights
The map lights will not turn off even if the lens is pressed in the following
cases:
● The overhead light switch is in the ON position.
● The overhead light switch is in the door position with the door open.
● The illuminated entry system is on.
The overhead lights turn on when any of the following operation s is
done with the overhead light switch in the DOOR position and the igni-
tion switched off. • Turn on for about 30 seconds wh en the driver’s door is unlocked.
• Turn on for about 15 seconds w hen a door is opened with a key left
in the vehicle and then the door is closed.
• Turn on for about 5 seconds when a door is opened from the out -
side with a key bei ng carried and then t he door is closed.
The overhead lights turn on for about 15 seconds when the ignit ion is
switched off with the overhead light switch in the DOOR positio n.
The overhead lights turn off immediately in the following cases :
• The ignition is switched on and all doors are closed.
• The driver’s door is locked.
NOTICE
■ Overhead Lights and Map Lights
Do not leave the lights on for long periods while the engine is turned off.
Otherwise, the battery power could be depleted.
■ Trunk Light
To prevent the battery from being discharged, do not leave the trunk open
for a long period when the engine is not running.
Illuminated Entry System

YARIS SEDAN_OM_OM99S50z_(U)
4234-4. Interior Equipment
4
Interior Features
●Battery saver
If any door is left open with the overhead light switch in the DOOR position,
or the trunk lid is left open, the overhead light or trunk light turns off after
about 30 minutes to prevent battery depletion.
● To prevent battery depletion, if the interior lights remain turned on (the inte-
rior light switch is in the ON position or an interior light is turned on by press-
ing the lens of the interior light), they turn off automaticall y under the
following conditions:
• No operations are done for about 30 minutes after the ignition is switched
off.
• When the LOCK button on the key is pressed after the ignition is switched
off (interior lights turn off a few seconds).
In addition, if the following operations are performed after tu rning the inte-
rior lights off, they will turn on again.
• The ignition is switched to a position other than OFF.
• A door is opened.
• A door is unlocked.
● The operation of the illuminated entry system can be changed.
Refer to Customizable Features on P. 584.

431
YARIS SEDAN_OM_OM99S50z_(U)
5Maintenance and Care
5-1. Essential InformationIntroduction ....................... 432
5-2. Scheduled Maintenance Maintenance Monitor ........ 434
5-3. Owner Maintenance Owner Maintenance Precautions ..................... 437
Hood ................................. 439
Engine Compartment Overview ......................... 441
Engine Oil ......................... 442
Engine Coolant ................. 445
Brake/Clutch Fluid............. 448
Window Washer Fluid ....... 449
Body Lubrication ............... 450
Wiper Blades..................... 451
Battery............................... 454
Key Battery Replacement ................... 456
Tires .................................. 459
Light Bulbs ........................ 465
Fuses ................................ 475
5-4. Appearance Care Exterior Care ..................... 482
Interior Care ...................... 490

456
YARIS SEDAN_OM_OM99S50z_(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

4585-3. Owner Maintenance
YARIS SEDAN_OM_OM99S50z_(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

YARIS SEDAN_OM_OM99S50z_(U)
5276-7. Warning/Indicator Lights and Warning Sounds
6
If Trouble Arises
■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.
(Illuminate)
TCS/DSC Indicator Light If the light stays on, the TCS, DSC or the brake assist sys-
tem may have a malfunction and they may not operate
correctly. Take your vehicle to your Toyota dealer.
Air Bag/Front Seat Belt Pretensioner System Warning
LightA system malfunction is indicated if the warning light con-
stantly flashes, constantly illuminates or does not illumi-
nate at all when the ignition is switched ON. If any of these
occur, consult your Toyota dealer as soon as possible.
The system may not operate in an accident.
(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. 152.
(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