engine overheat TOYOTA AYGO 2017 Owners Manual (in English)

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AYGO_OM_Europe_OM99Q24E
8-1. Essential information
Emergency flashers ...........378
If your vehicle has to
be stopped in an
emergency .......................379
8-2. Steps to take in
an emergency
If your vehicle needs
to be towed ......................381
If you think
something is wrong..........387
Fuel pump shut off
system ............................388
If a warning light turns
on or a warning buzzer
sounds .............................389
If you have a flat tire
(vehicles with
a spare tire) .....................399
If you have a flat tire
(vehicles without
a spare tire) .....................412
If the engine
will not start......................426
If the shift lever cannot
be shifted (vehicles
with a multi-mode
manual transmission) ......428
If the electronic key does
not operate properly
(vehicles with a smart
entry & start system) ....... 429
If the vehicle battery
is discharged ................... 432
If your vehicle overheats ... 436
If the vehicle becomes
stuck................................ 440
9-1. Specifications
Maintenance data
(fuel, oil level, etc.) .......... 444
Fuel information ................ 457
9-2. Customization
Customizable features ...... 459
9-3. Items to initialize
Items to initialize................ 460
What to do if...
(Troubleshooting) .................... 462
Alphabetical index...................... 466
8When trouble arises
9Vehicle specifications
Index
For vehicles with a multimedia system, refer to the “Multimedia
owner’s manual” for information regarding the equipment listed
below.
• Audio system• Rear view monitor system
Toyota Motor Europe NV/SA, Avenue du Bourget 60 - 1140 Brussels,
Belgium www.toyota-europe.com

11Pictorial index
AYGO_OM_Europe_OM99Q24E
Windshield wiper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 178
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . P. 229
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 182
Refueling method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 182
Fuel type/fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 446
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 343
Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 454
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 229
Checking/rotation/tire pressure warning system*2 . . . . . . . . . P. 343
Coping with flat tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 399, 412
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 328
Opening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 328
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 446
Coping with overheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 436
Camera*2, 3
Headlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 172
Front position lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 172
Daytime running lights*2 . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 172
Front fog lights*2/rear fog lights . . . . . . . . . . . . . . . . . . . . . P. 176
Turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 170
Emergency brake signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 223
Tail lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 172
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 172
Back-up lights
Shifting the shift lever to R. . . . . . . . . . . . . . . . . . . . . . . . P. 163, 168
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Light bulbs of the exterior lights for driving
(Replacing method: P. 365, Watts: P. 456)
*1: Vehicles with a smart entry & start system
*2: If equipped
*3: For vehicles with a multimedia system , refer to “Multimedia owner’s manual”.
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882. Instrument cluster
AYGO_OM_Europe_OM99Q24E
WARNING
■If a safety system warning light does not come on
Should a safety system light such as the ABS and SRS warning light not
come on when you start the engine, this could mean that these systems are
not available to help protect you in an accident, which could result in death
or serious injury. Have the vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and equipped professional
immediately if this occurs.
NOTICE
■ To prevent damage to the engine and its components
The engine may be overheating if the high engine coolant temperature
warning light flashes or turns on. In this case, immediately stop the vehicle
in a safe place, and check the engine after it has cooled completely.
( P. 4 3 6 )

1474-1. Before driving
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Driving
AYGO_OM_Europe_OM99Q24E
■ Operating your vehicle in a foreign country
Comply with the relevant vehicle registration laws and confirm the availability
of the correct fuel. ( P. 457)
WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury.
■ When starting the vehicle (vehicles with a multi-mode manual trans-
mission)
Always keep your foot on the brake pedal while stopped with the engine
running. This prevents the vehicle from moving unexpectedly.
■ When driving the vehicle
● Do not drive if you are unfamiliar with the location of the brake and accel-
erator pedals to avoid depressing the wrong pedal.
• Accidentally depressing the accelerator pedal instead of the brake
pedal will result in sudden acceleration that may lead to an accident.
• When backing up, you may twist your body around, leading to difficulty
in operating the pedals. Make su re to operate the pedals properly.
• Make sure to keep a correct driving posture even when moving the
vehicle only slightly. This allows you to depress the brake and accelera-
tor pedals properly.
• Depress the brake pedal using your right foot. Depressing the brake
pedal using your left foot may delay response in an emergency, result-
ing in an accident.
● Do not drive the vehicle over or stop the vehicle near flammable materials.
The exhaust system and exhaust gases can be extremely hot. These hot
parts may cause a fire if there is any flammable material nearby.
● During normal driving, do not turn off the engine. Turning the engine off
while driving will not cause loss of steering or braking control, but the
power assist to these systems will be lost. This will make it more difficult to
steer and brake, so you should pull over and stop the vehicle as soon as it
is safe to do so.
However, in the event of an emergency, such as if it becomes impossible
to stop the vehicle in the normal way: P. 379
● Use engine braking (downshift) to maintain a safe speed when driving
down a steep hill.
Using the brakes continuously may cause the brakes to overheat and lose
effectiveness. ( P. 163, 168)
● Do not adjust the positions of the steering wheel, the seat, or the inside or
outside rear view mirrors while driving.
Doing so may result in a loss of vehicle control.
● Always check that all passengers’ arms, heads or other parts of their body
are not outside the vehicle.

1494-1. Before driving
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Driving
AYGO_OM_Europe_OM99Q24E
WARNING
■When the vehicle is stopped
● Do not race the engine.
If the vehicle is in any gear other than N, the vehicle may accelerate sud-
denly and unexpectedly, causing an accident.
● On vehicles with a multi-mode manual transmission, in order to prevent
accidents due to the vehicle rolling away, always keep depressing the
brake pedal while the engine is running, and apply the parking brake as
necessary.
● If the vehicle is stopped on an incline, in order to prevent accidents caused
by the vehicle rolling forward or backward, always depress the brake pedal
and securely apply the parking brake as needed.
● Avoid revving or racing the engine.
Running the engine at high speed while the vehicle is stopped may cause
the exhaust system to overheat, which could result in a fire if combustible
material is nearby.
■ When the vehicle is parked
● Do not leave glasses, cigarette lighters, spray cans, or soft drink cans in
the vehicle when it is in the sun.
Doing so may result in the following:
• Gas may leak from a cigarette lighter or spray can, and may lead to a
fire.
• The temperature inside the vehicle may cause the plastic lenses and
plastic material of glasses to deform or crack.
• Soft drink cans may fracture, causing the contents to spray over the
interior of the vehicle, and may also cause a short circuit in the vehicle’s
electrical components.
● Do not leave cigarette lighters in the vehicle. If a cigarette lighter is in a
place such as the glove box or on the floor, it may be lit accidentally when
luggage is loaded or the seat is adjusted, causing a fire.
● Do not attach adhesive discs to the windshield or windows. Do not place
containers such as air fresheners on the instrument panel or dashboard.
Adhesive discs or containers may act as lenses, causing a fire in the vehi-
cle.
● Do not leave a door or window open if the curved glass is coated with a
metallized film such as a silver-colored one. Reflected sunlight may cause
the glass to act as a lens, causing a fire.

1504-1. Before driving
AYGO_OM_Europe_OM99Q24E
WARNING
●On vehicles with a multi-mode manual transmission, always apply the
parking brake, shift the shift lever to E, M or R, stop the engine and lock
the vehicle.
Do not leave the vehicle unattended while the engine is running.
● Do not touch the exhaust pipes while the engine is running or immediately
after turning the engine off.
Doing so may cause burns.
● On vehicles with a multi-mode manual transmission, do not turn off the
engine until 1st or reverse is engaged properly and completely. Confirm
that the gear is engaged by viewing the gear position indicator.
Parking the vehicle without a gear engaged may cause the vehicle to
move result in an accident.
■ When taking a nap in the vehicle
Always turn the engine off. Otherwise, if you accidentally move the shift
lever or depress the accelerator pedal, this could cause an accident or fire
due to engine overheating. Additionally, if the vehicle is parked in a poorly
ventilated area, exhaust gases may collect and enter the vehicle, leading to
death or a serious health hazard.
■ When braking
● When the brakes are wet, drive more cautiously.
Braking distance increases when the brakes are wet, and this may cause
one side of the vehicle to brake differently than the other side. Also, the
parking brake may not securely hold the vehicle.
● If the power brake assist function does not operate, do not follow other
vehicles closely and avoid hills or sharp turns that require braking.
In this case, braking is still possible, but the brake pedal should be
depressed more firmly than usual. Also, the braking distance will increase.
Have your brakes fixed immediately.
● Do not pump the brake pedal if the engine stalls.
Each push on the brake pedal uses up the reserve for the power-assisted
brakes.
● The brake system consists of 2 individual hydraulic systems; if one of the
systems fails, the other will still operate. In this case, the brake pedal
should be depressed more firmly than usual and the braking distance will
increase.
Have your brakes fixed immediately.

1574-2. Driving procedures
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Driving
AYGO_OM_Europe_OM99Q24E
WARNING
■When starting the engine
Always start the engine while sitting in the driver’s seat. Do not depress the
accelerator pedal while starting the engine under any circumstances.
Doing so may cause an accident resulting in death or serious injury.
■ Caution when driving
Do not turn the engine switch to the “LOCK” position while driving. If, in an
emergency, you must turn the engine off while the vehicle is moving, turn
the engine switch only to the “ACC” pos ition to stop the engine. An accident
may result if the engine is stopped while driving. ( P. 379)
NOTICE
■To prevent battery discharge
Do not leave the engine switch in the “ACC” or “ON” position for long peri-
ods of time without the engine running.
■ When starting the engine
● Do not crank the engine for more than 30 seconds at a time. This may
overheat the starter and wiring system.
● Do not race a cold engine.
● If the engine becomes difficult to start or stalls frequently, have your vehi-
cle checked by any authorized Toyota dealer or repairer, or another duly
qualified and equipped professional immediately.

1614-2. Driving procedures
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Driving
AYGO_OM_Europe_OM99Q24E
■ Steering lock
After turning the engine switch off and opening and closing the doors, the
steering wheel will be locked due to the steering lock function. Operating the
engine switch again automatically cancels the steering lock.
■ When the steering lock cannot be released
■ Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be sus-
pended if the engine is turned on and off repeatedly in a short period of time.
In this case, refrain from running the engine. After about 10 seconds, the
steering lock motor will resume functioning.
■ If the system is malfunctioning
 P. 393
■ If the electronic key battery is depleted
 P. 354
■ Operation of the engine switch
● When operating the engine switch, one short, firm press is enough. If the
switch is pressed improperly, the engine may not start or the engine switch
mode may not change. It is not necessary to press and hold the switch.
● If attempting to restart the engine immediately after turning the engine
switch off, the engine may not start in some cases. After turning the engine
switch off, please wait a few seconds before restarting the engine.
● The buzzer sound when the following occurs
• When the engine switch is pressed while the vehicle is running
Other than cases of emergency, do not press the engine switch while the
vehicle is running.
• When the engine is stopped by emergency shutdown operation
( P. 379)
The buzzer will sound continuously until the engine is restarted, or the
vehicle is completely stopped and the engine switch is turned to IGNI-
TION ON mode.
■ If the smart entry & start system has been deactivated in a customized
setting
 P. 429
The smart entry & start system indicator
light (green) will flash quickly.
Press the engine switch while turning the
steering wheel left and right.

2264-6. Using the driving support systems
AYGO_OM_Europe_OM99Q24E
■ Reduced effectiveness of the EPS system
The effectiveness of the EPS system is reduced to prevent the system from
overheating when there is frequent steering input over an extended period of
time. The steering wheel may feel heavy as a result. Should this occur, refrain
from excessive steering input or stop the vehicle and turn the engine off. The
EPS system should return to normal within 10 minutes.
■ Operating conditions of hill-start assist control
When the following four conditions are me t, the hill-start assist control will
operate:
● Vehicles with a multi-mode manual transmission: The shift lever is in a posi-
tion other than N (when starting off forward/backward on an upward incline).
● Vehicles with a manual transmission: The shift lever is in a position other
than R when starting off forward on an upward incline or in R when starting
off backward on an upward incline.
● The vehicle is stopped.
● The accelerator pedal is not depressed.
● The parking brake is not engaged.
■ Automatic system cancelation of hill-start assist control
The hill-start assist control will turn off in any of the following situations:
● Vehicles with a multi-mode manual transmission: The shift lever is moved to
N.
● Vehicles with a manual transmission: The shift lever is shifted to R when
starting off forward on an upward incline or from R when starting off back-
ward on an upward incline.
● The accelerator pedal is depressed.
● The parking brake is engaged.
● Approximately 2 seconds elapse after the brake pedal is released.
■ Operating conditions of emergency brake signal
When the following three conditions are met, the emergency brake signal will
operate:
● The emergency flashers are off.
● Actual vehicle speed is over 55 km/h (35 mph).
● The brake pedal is depressed in a manner that cause the system to judge
from the vehicle deceleration that this is a sudden braking operation.
■ Automatic system cancelation of emergency brake signal
The emergency brake signal will turn off in any of the following situations:
● The emergency flashers are turned on.
● The brake pedal is released.
● The system judges from the vehicle deceleration that is not a sudden brak-
ing operation.

3036-1. Using the air conditioning system and defogger
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Interior features
AYGO_OM_Europe_OM99Q24E
WARNING
■Burns
● Use caution when seating the following persons in a seat with the seat
heater on to avoid the possibility of burns:
• Babies, small children, the elderly, the sick and the physically chal-
lenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sleeping
drugs, cold remedies, etc.)
● Do not cover the seat with anything when using the seat heater.
Using the seat heater with a blanket or cushion increases the temperature
of the seat and may lead to overheating.
● Do not use the seat heater more than necessary. Doing so may cause
minor burns or overheating.
NOTICE
■ To prevent seat heater damage
Do not put unevenly weighted objects on the seat and do not stick sharp
objects (needles, nails, etc.) into the seat.
■ To prevent battery discharge
Turn the seat heaters off when the engine is not running.