warning light TOYOTA YARIS 2019 Service Manual

3094-5. Toyota Safety Sense
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Driving
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■ If VSC is disabled
● If TRC and VSC are disabled (P. 350), the pre-crash brake assist and pre-
crash braking functions are also disabled. However, the pre-crash warning
function will still operate.
● Vehicles with monochrome display: The PCS warning light illuminates.
● Vehicles with color display: The PCS warning light illuminates and “VSC
turned off. Pre-crash brake system unav ailable.” is displayed on the multi-
information display.

3164-5. Toyota Safety Sense
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■ If the LDA indicator comes on in yellow (vehicles with monochrome dis-
play)
It may indicate a malfunction in the system. Contact any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
■ Warning messages for the LDA system (vehicles with color display)
Warning messages are used to indicate a system malfunction or to inform the
driver of the need for caution while driving.
■ Customization
 P. 676
WARNING
■Before using the LDA system
Do not rely solely on the LDA system. The LDA system does not drive the
vehicle automatically, nor does it reduce the amount of care you need to
take. As such, the driver must always assume full responsibility for under-
standing his/her surroundings, for operati ng the steering wheel to correct
the driving line, and for driving safely.
Inappropriate or negligent driving could lead to an accident.
■ To avoid operating the LDA by mistake
Switch the LDA system off using the LDA switch when not in use.
NOTICE
■ To prevent damage to or incorrect operation of the LDA system
● Do not modify the headlights or attach stickers to the surface of the lights.
● Do not modify the suspension. If your suspension needs repairs, contact
any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.
● Do not install or place anything on the hood or the grille. Also, do not install
a grille guard (bull bars, kangaroo bar, etc.).
● If your windshield needs repairs, contact any authorized Toyota retailer or
Toyota authorized repairer, or any reliable repairer.

3474-6. Using the driving support systems
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Driving
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NOTICE
■To ensure the system operates correctly
If any one of the following situations occurs, the Stop & Start system may
not operate correctly, thus, please have your vehicle checked by any autho-
rized Toyota retailer or Toyota authorized repairer, or any reliable repairer.
● While the driver’s seat belt is fastened, the driver’s and front passenger’s
seat belt reminder light flashes.
● Even when the driver’s seat belt is not fastened, the driver’s and front pas-
senger’s seat belt reminder light remains off.
● Vehicles with monochrome display: Even though the driver’ door is closed,
the open door warning light is illuminated or the interior light is illuminated
when the interior light switch is in the door position.
● Vehicles with color display: Even though the driver’ door is closed, the
open door warning is displayed on the multi-information display or the inte-
rior light is illuminated when the interior light switch is in the door position.
● Vehicles with monochrome display: Even though the driver’ door is open,
the open door warning light does not illuminate or the interior light does not
illuminate when the interior light switch is in the door position.
● Vehicles with color display: Even though the driver’ door is open, the open
door warning is not displayed on the multi-information display or the inte-
rior light does not illuminate when the interior light switch is in the door
position.

3504-6. Using the driving support systems
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■Turning off both TRC and VSC systems
Vehicles with monochrome display
To turn the TRC and VSC systems off, press and hold for more than 3
seconds while the vehicle is stopped.
The “TRC OFF” indicator light and the VSC OFF indicator light will come on.
Press again to turn the systems back on.
Vehicles with color display
To turn TRC and VSC systems off, press and hold for more than 3 sec-
onds while the vehicle is stopped.
The VSC OFF indicator light will come on and the “TRC off” will be shown on
the multi-information display.*
Press again to turn the systems back on.
*: On vehicles with pre-crash safety system, pre-crash brake assist and pre-
crash braking will also be disabled. The PCS warning light will come on.
( P. 309)
■ When the “TRC OFF” indicator light comes on even if has not been
pressed (vehicles with monochrome display)
TRC is temporary deactivated. If the indicator light continues to remain on,
contact any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer.
■ When the message is displayed on the multi-information display show-
ing that TRC has been disabled even if has not been pressed (vehi-
cles with color display)
TRC is temporary deactivated. If the information continues to show, contact
any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer.

3544-6. Using the driving support systems
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WARNING
■When the VSC is activated
The slip indicator light flashes. Always drive carefully. Reckless driving may
cause an accident. Exercise particular care when the indicator light flashes.
■ When the TRC/VSC systems are turned off
Be especially careful and drive at a speed appropriate to the road condi-
tions. As these are the systems to help ensure vehicle stability and driving
force, do not turn the TRC/VSC systems off unless necessary.
■ Replacing tires
Make sure that all tires are of the specified size, brand, tread pattern and
total load capacity. In addition, make sure that the tires are inflated to the
recommended tire inflation pressure level.
The ABS, TRC and VSC systems will not function correctly if different tires
are installed on the vehicle.
Contact any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer for further information when replacing tires or wheels.
■ Handling of tires and the suspension
Using tires with any kind of problem or modifying the suspension will affect
the driving assist systems, and may cause a system to malfunction.

4546-3. Using the storage features
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List of storage features
Glove box (P. 455)
Cup holders ( P. 456)
Bottle holders ( P. 457)
Auxiliary box ( P. 458)
WARNING
■Items that should not be left in the storage spaces
Do not leave glasses, lighters or spray cans in the storage spaces, as this
may result in the following when cabin temperature becomes high:
● Glasses may be deformed by heat or cracked if they come into contact
with other stored items.
● Lighters or spray cans may explode. If they come into contact with other
stored items, the lighter may catch fire or the spray can may release gas,
causing a fire hazard.
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4656-4. Using the other interior features
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Interior features
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Push the cigarette lighter.
The cigarette lighter will pop up
when it is ready for use.
■ The cigarette lighter can be used when
Vehicles without a smart entry & start system
The engine switch is in the “ACC” or “ON” position.
Vehicles with a smart entry & start system
The engine switch is in ACCESSORY or IGNITION ON mode.
Cigarette lighter (if equipped)
WARNING
■ To avoid burns or fires
● Do not touch the metal parts of the cigarette lighter.
● Do not hold the cigarette lighter down. It could overheat and cause a fire.
● Do not insert anything other than the cigarette lighter provided into the cig-
arette lighter outlet. Doing so may deform the outlet and make the ciga-
rette lighter pop out of the outlet or become difficult to take out.

4997-3. Do-it-yourself maintenance
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Maintenance and care
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■Before recharging
When recharging, the battery produces hydrogen gas which is flammable and
explosive. Therefore, observe the following before recharging:
● If recharging with the battery installed on the vehicle, be sure to disconnect
the ground cable.
● Make sure the power switch on the charger is off when connecting and dis-
connecting the charger cables to the battery.
■ After recharging/reconnecting the battery (vehicles with a smart entry &
start system)
● Unlocking the doors using the smart entry & start system may not be possi-
ble immediately after reconnecting the battery. If this happens, use the wire-
less remote control or the mechanical key to lock/unlock the doors.
● Start the engine with the engine switch in ACCESSORY mode. The engine
may not start with the engine switch turned off. However, the engine will
operate normally from the second attempt.
● The engine switch mode is recorded by the vehicle. If the battery is recon-
nected, the vehicle will return the engine switch mode to the status it was in
before the battery was disconnected. Make sure to turn off the engine
before disconnect the battery. Take extra care when connecting the battery
if the engine switch mode prior to discharge is unknown.
If the engine will not start even after multiple attempts, contact any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer.
WARNING
■ Chemicals in the battery
Batteries contain poisonous and corrosive sulfuric acid and may produce
hydrogen gas which is flammable and explosive. To reduce the risk of death
or serious injury, take the following precautions while working on or near the
battery:
● Do not cause sparks by touching the battery terminals with tools.
● Do not smoke or light a match near the battery.
● Avoid contact with eyes, skin and clothes.
● Never inhale or swallow electrolyte.
● Wear protective safety glasses when working near the battery.
● Keep children away from the battery.

5027-3. Do-it-yourself maintenance
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You may drain the fuel filter yourself. However, as the operation is dif-
ficult, we recommend having it drained by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer. Even if
you decide to drain it yourself, contact any authorized Toyota retailer
or Toyota authorized repairer, or any reliable repairer.
Vehicles with monochrome display: The water in the fuel filter needs
to be drained if the fuel filter warning light comes on. (P. 579)
Vehicles with color display: The water in the fuel filter needs to be
drained if the fuel filter warning message is shown on the multi-infor-
mation display. (P. 587)
Turn the engine switch to the “LOCK” position (vehicles without a
smart entry & start system) or off (vehicles with a smart entry & start
system).
Place a small tray under the drain plug to catch the water and any
fuel that comes out.
Turn the drain plug counter-
clockwise about 2 to 2 1/2
turns.
Operate the priming pump until
fuel begins to run out.
After draining, tighten the drain plug by hand.
Fuel filter (diesel engine)
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5057-3. Do-it-yourself maintenance
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Maintenance and care
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Your vehicle is equipped with a tire pressure warning system that uses
tire pressure warning valves and transmitters to detect low tire infla-
tion pressure before serious problems arise.
If the tire pressure drops below a predetermined level, the driver is
warned by a warning light. ( P. 580)
When replacing tires or wheels, tire pressure warning valves and
transmitters must also be installed.
When new tire pressure warning valves and transmitters are installed,
new ID codes must be registered in the tire pressure warning com-
puter and the tire pressure warning system must be initialized. Have
tire pressure warning valve and transmitter ID codes registered by
any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer. ( P. 507)
■The tire pressure warning system must be initialized in the fol-
lowing circumstances:
● When rotating front and rear tires which have different tire infla-
tion pressures
● When the tire inflation pressure is changed such as when chang-
ing traveling speed
● When changing the tire size
When the tire pressure warning system is initialized, the current tire
inflation pressure is set as the benchmark pressure.
Tire pressure warning system (if equipped)
Installing tire pressure warning valves and transmitters (vehicles
with a tire pressure warning system)
Initializing the tire pressure warning system (vehicles with a tire
pressure warning system)