engine TOYOTA AYGO 2021 Repair Manual

2344-3. Operating the lights and wipers
AYGO_OM_Europe_OM9A012E
■ Automatic light off system (if equipped)
● When the light switch is in or :
The headlights and front fog lights turn off after the engine switch is turned
to the “LOCK” position (vehicles without a smart entry & start system) or off
(vehicles with a smart entry & start system).
● When the light switch is in :
The headlights and all lights turn off after the engine switch is turned to the
“LOCK” position (vehicles without a smart entry & start system) or off (vehi-
cles with a smart entry & start system).
■ Light reminder buzzer
Vehicles without a smart entry & start system
A buzzer sounds when the engine switch is turned to the “LOCK” position, the
driver’s door is opened while the lights are turned on.
Vehicles with a smart entry & start system
A buzzer sounds when the engine switch is turned off and the driver’s door is
opened while the lights are turned on.
■ Battery-saving function (if equipped)
In the following conditions, the remaining lights will go off automatically after
20 minutes in order to prevent the vehicle battery from being discharged:
● The headlights and/or tail lights are on.
● Vehicles without a smart entry & start system: The engine switch is turned to
the “ACC” position or turned off.
Vehicles with a smart entry & start system: The engine switch is turned to
ACCESSORY mode or turned off.
● The light switch is in or .
This function will be canceled in any of the following situations:
● Vehicles without a smart entry & start system: When the engine switch is
turned to the “ON” position.
Vehicles with a smart entry & start system: When the engine switch is turned
to IGNITION ON mode.
● When the light switch is operated.
● When a door is opened or closed.
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not
running.

2384-3. Operating the lights and wipers
AYGO_OM_Europe_OM9A012E
■The windshield wiper and washer can be operated when
Vehicles without a smart entry & start system
The engine switch is in the “ON” position.
Vehicles with a smart entry & start system
The engine switch is in IGNITION ON mode.
■ If no windshield washer fluid sprays
Check that the washer nozzles are not blocked, if there is washer fluid in the
windshield washer fluid reservoir.
WARNING
■ Caution regarding the use of washer fluid
When it is cold, do not use the washer fluid until the windshield becomes
warm. The fluid may freeze on the windshield and cause low visibility. This
may lead to an accident, resulting in death or serious injury.
NOTICE
■ When the windshield is dry
Do not use the wiper, as they may damage the windshield.
■ When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may over-
heat.
■ To prevent battery discharge
Do not leave the wiper on longer than necessary when the engine is off.

239
4
4-3. Operating the lights and wipers
Driving
AYGO_OM_Europe_OM9A012E
Rear window wiper and washer
Operating the switch operates the rear wiper or washer as fol-
lows:
Off
Normal window wiper
operation
Washer/wiper dual opera-
tion
Washer operation
■ The rear window wiper and washer can be operated when
Vehicles without a smart entry & start system
The engine switch is in the “ON” position.
Vehicles with a smart entry & start system
The engine switch is in IGNITION ON mode.
■ If no washer fluid sprays
Check that the washer nozzle is not blocked, if there is washer fluid in the
washer fluid reservoir.
1
2
3
4

2404-3. Operating the lights and wipers
AYGO_OM_Europe_OM9A012E
NOTICE
■When the rear window is dry
Do not use the wiper, as it may damage the rear window.
■ When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may over-
heat.
■ To prevent battery discharge
Do not leave the wiper on longer than necessary when the engine is off.

241
4
4-4. Refueling
Driving
AYGO_OM_Europe_OM9A012E
Opening the fuel tank cap
●Vehicles without a smart entry & start system
Turn the engine switch to the “LOCK” position and ensure that all
the doors and windows are closed.
●Vehicles with a smart entry & start system
Turn the “ENGINE START STOP” switch off and ensure that all the
doors and windows are closed.
●Confirm the type of fuel.
■Fuel types
P. 521
■Fuel tank opening for unleaded gasoline
To help prevent incorrect fueling, your vehicle has a fuel tank opening that
only accommodates the special nozzle on unleaded fuel pumps.
Perform the following steps to open the fuel tank cap:
Before refueling the vehicle

2534-5. Toyota Safety Sense
4
Driving
AYGO_OM_Europe_OM9A012E
WARNING
●While driving, such as when driving through a railway crossing, the system
may determine that the possibility of a collision with an object, such as rail-
way crossing barrier, is high and operate the pre-collision braking function.
To move the vehicle in an emergency, such as if the system operates in a
railway crossing, perform the following operations and then take the nec-
essary measures to ensure your safety.
• If the vehicle has been stopped, depress the accelerator pedal.
• If the vehicle is decelerating, fully depress the accelerator pedal.
( P. 255)
• Disable the pre-collision system. ( P. 254)
■ When to disable the pre-collision system In the following situations, disable the system, as it may not operate prop-
erly, possibly leading to an accident resulting in death or serious injury:
● When the vehicle is being towed
● When your vehicle is towing another vehicle
● When transporting the vehicle via truck, boat, train or similar means of
transportation
● When the vehicle is raised on a lift with the engine running and the tires
are allowed to rotate freely
● When inspecting the vehicle using a drum tester such as a chassis dyna-
mometer or speedometer tester, or when using an on vehicle wheel bal-
ancer
● If the vehicle cannot be driven in a stable manner, such as when the vehi-
cle has been in an accident or is malfunctioning
● When the vehicle is driven in a sporty manner or off-road
● When the condition of the tires is poor and they do not perform well
( P. 404)
● When tires of a size other than specified are installed
● When tire chains are installed
● When a compact spare tire or an emergency tire puncture repair kit is used

2544-5. Toyota Safety Sense
AYGO_OM_Europe_OM9A012E■
Enabling/disabling the pre-collision system
Press the PCS switch for 3 sec-
onds or more.
The PCS warning light will turn
on and a message will be dis-
played in the drive monitor dis-
play when the system is turned
off.
To enable the system, press the
PCS switch again.
The pre-collision system is
enabled each time the engine is
started.
■
Changing the pre-collision warning timing
Press the PCS switch to turn on the PCS activation indicator and
display the current warning timing in the drive monitor display. Each
time the PCS switch is pressed in the displayed state, the timing for
the warning changes as follows:
If the operation timing setting has been changed, the setting will be
retained the next time the engine is started.
Far
The warning will begin to oper-
ate earlier than with the default
timing.
Middle
This is the default setting.
Near
The warning will begin to oper-
ate later than with the default
timing.
Changing settings of the pre-collision system
1
2
3

2644-5. Toyota Safety Sense
AYGO_OM_Europe_OM9A012E
LDA (Lane Departure Alert)
While driving on a road that has lane markers, this system recognizes
the lane markers using a camera as a sensor to alert the driver when
the vehicle deviates from its lane.
If the system judges that the vehicle has deviated from its lane, it
alerts the driver using a buzzer and indications on the meter.
Front sensor
Press the LDA switch to activate
the system.
The LDA indicator will come on.
Press the switch again to turn the
LDA system off.
The LDA system will remain on or
off even if the engine switch is
turned off.
: If equipped
Summary of function
Turning the LDA system on

2724-6. Using the driving support systems
AYGO_OM_Europe_OM9A012E
Stop & Start system
With the clutch pedal fully depressed, stop the vehicle. Then shift
the shift lever to N.
Release the clutch pedal.
The engine will stop and the Stop
& Start indicator will come on.
Check that the shift lever is in N and depress the clutch pedal.
The engine will restart. The Stop & Start indicator will go off.
(In this situation, releasing the clutch pedal will not stop the engine again.)
: If equipped
The Stop & Start system stops and restarts the engine according
to the clutch pedal operation for stopping and starting the vehi-
cle.
Stopping the engine
Restarting the engine

2734-6. Using the driving support systems
4
Driving
AYGO_OM_Europe_OM9A012E
Press the Stop & Start cancel
switch to disable the Stop & Start
system.
The Stop & Start cancel indicator
will come on.
The engine will not stop at each
stop when the clutch pedal is
depressed to stop the engine.
(P. 272)
Pressing the switch again to re-
enable the Stop & Start system.
■
If the Stop & Start cancel switch is pressed while the vehicle is
stopped
●When the engine is stopped by the Stop & Start system, pressing
the Stop & Start cancel switch will restart the engine.
From the next time the vehicle is stopped (after Stop & Start sys-
tem has been turned off), the engine will not be stopped.
●With the Stop & Start system disabled, pressing the Stop & Start
cancel switch will re-enable the system but not stop the engine.
From the next time the vehicle is stopped (after Stop & Start sys-
tem has been turned on), the engine will be stopped.
Disabling the Stop & Start system