TOYOTA AYGO 2021 Owners Manual

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4-6. Using the driving support systems
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Speed limiter
A desired maximum speed can be set using the speed limiter switch.
The speed limiter prevents vehicle speed from exceeding the set
speed.
Indicator
Speed limiter switch
Display
Press the “ON-OFF” button to
activate the speed limiter.
Press the button once more to
deactivate the speed limiter.
: If equipped
Summary of functions
1
2
3
Setting the speed limiter

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Accelerate or decelerate to the
desired speed and push the
lever down to set the desired
maximum speed.
Increase speed
Decrease speed
Hold the lever until the desired
speed setting is obtained.
Fine adjustment of the set speed
can be made by lightly pushing the
lever up or down and releasing it.
Cancel
Pull the lever towards you to can-
cel the speed limiter.
Resume
To resume use of the speed limiter,
push the lever up.
Adjusting the speed setting
1
2
Canceling and resuming the speed limiter
1
2

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Driving
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■When setting the speed limiter
If the vehicle speed is set lower than 30 km/h (20 mph), the desired maximum
speed is set to 30 km/h (20 mph).
■ Exceeding the set speed
In the following situations, when the vehicle speed exceeds the set speed,
the display characters will flash:
● When fully depressing the accelerator pedal
● When driving down a slope (a warning buzzer will sound)
■ When the speed limiter is operating
Speed limiter information is displayed in the drive monitor display when it is
operating. When the display is switched over to another display, the speed
limiter information returns after 6 seconds.
WARNING
■ To avoid operating the speed limiter by mistake
Switch the speed limiter off using the “ON-OFF” button when not in use.
■ Situations unsuitable for speed limiter
Do not use speed limiter in either of the following situations.
Doing so may result in control of the vehicle being lost and could cause an
accident resulting in death or serious injury.
● On slippery roads, such as those covered with rain, ice or snow
● On steep hills
● When your vehicle is towing a trailer

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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

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Driving
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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

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■Operating conditions
●The Stop & Start system is operational when all of the following conditions
are met:
• The engine is adequately warmed up.
• The battery is sufficiently charged.
• The driver’s door is closed.
• The hood is closed.
• The driver’s seat belt is fastened.
• The clutch pedal is not being depressed.
• The shift lever is in N.
●In the following circumstances the engine may not be stopped by the Stop &
Start system. This is not a malfunction of the Stop & Start system.
• The engine coolant temperature is extremely high or low.
• The outside temperature is extremely low.
• The air conditioning system is being used when the vehicle interior tem-
perature is extremely high such as after the vehicle was parked under the
hot sun.
• The air conditioning system is being used when the outside temperature
is high or low.
• Vehicles with an automatic air conditioning system only: The windshield
defogger is being used.
• The battery is not sufficiently charged, or is undergoing a periodic
recharge.
• Due to traffic or other circumstances the vehicle is stopped repeatedly,
resulting in the amount of time the engine is stopped by the Stop & Start
system to become excessively high.
• The brake booster vacuum is low.
• A large amount of electricity is being used.
• At high altitude.
When the above conditions improve, the Stop & Start system will stop and
restart the engine from the next time the vehicle is stopped.

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AYGO_OM_Europe_OM9A012E●In the following situations, the engine may start even without the clutch
pedal being depressed.
• The brake pedal is pumped or strongly depressed.
• The air conditioning system is being used or turned on.
• Vehicles with an automatic air conditioning system only: The windshield
defogger is turned on.
• The battery is not sufficiently charged.
• The vehicle starts to roll on an incline.
• A large amount of electricity is being used.
• The driver’s door is opened.
• The driver’s seat belt is unfastened.
●In the following situations, it may take longer than normal for the Stop & Start
system to activate.
• The battery is discharged.
• After the battery terminals have been disconnected and reconnected
after a battery replacement, etc.
• The engine coolant temperature is low.
■Automatic reactivation of the Stop & Start system
Vehicles without a smart entry & start system: Even if the Stop & Start system
is disabled by the Stop & Start cancel switch, it will be automatically re-
enabled once the engine switch is turned to the “LOCK” position then to the
“START” position.
Vehicles with a smart entry & start system: Even if the Stop & Start system is
disabled by the Stop & Start cancel switch, it will be automatically re-enabled
once the engine switch is turned off then the engine is started.

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AYGO_OM_Europe_OM9A012E■The Stop & Start system protection feature
Vehicles without a smart entry & start system: When an excessively loud
sound is being projected by the audio system, the audio system may be auto-
matically cut off in order to maintain power for the Stop & Start system func-
tion.
If this occurs, turning the engine switch to the “LOCK” position then to the
“ACC” or “ON” position re-enables the audio system.
Vehicles with a smart entry & start system: When an excessively loud sound
is being projected by the audio system, the audio system may be automati-
cally cut off in order to maintain power for the Stop & Start system function.
If this occurs, turning the engine switch off then to ACCESSORY mode or
IGNITION ON mode re-enables the audio system.
■Steering wheel operation
When the engine is stopped by the Stop & Start system, the steering wheel
may become heavier than when driving.
■Hood
If the hood is opened while the engine is stopped by the Stop & Start system,
the engine cannot be restarted by the Stop & Start system or the automatic
engine start function. Restart the engine with the engine switch operation.
(P. 214, 217)
■When to use the Stop & Start system
Use the Stop & Start system when stopping the vehicle temporarily at red
lights, intersections, etc. When stopping the vehicle for a longer period of
time, turn off the engine completely.

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AYGO_OM_Europe_OM9A012E■Stop & Start system warning buzzer
If the engine is stopped by the Stop & Start system and the following action is
performed, a buzzer will sound and Stop & Start indicator will flash. This indi-
cates that the engine is only stopped by the Stop & Start system, not that the
engine has been turned off completely.
●The shift lever is shifted into a position other than N with the clutch pedal
released.
Even in this situation, the engine starts if the clutch pedal is depressed.
■If the Stop & Start cancel indicator continues to flash
The Stop & Start system may be malfunctioning. Contact any authorized Toy-
ota retailer or Toyota authorized repairer, or any reliable repairer.
■If the windshield is fogged up while the engine is stopped by the Stop &
Start system
●Vehicles with a manual air conditioning system: Restart the engine by
depressing the clutch pedal (P. 272) or by pressing the Stop & Start can-
cel switch, and then set the air outlet selection dial to . (P. 354)
●Vehicles with an automatic air conditioning system: Turn the windshield
defogger on. (The engine will start due to the automatic engine start func-
tion.) (P. 360)
If the windshield fogs up frequently, press the Stop & Start cancel switch to
deactivate the system.
■The Stop & Start system operation time and Stop & Start system total
operation time display
P. 106
■Replacing battery
The installed battery is specific to the Stop & Start system. It should only be
replaced with a battery of identical type and rating.
Ask any authorized Toyota retailer or Toyota authorized repairer, or any reli-
able repairer for further details.

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WARNING
■When the Stop & Start system is operating
● Keep the shift lever in N and apply the brake pedal or parking brake for
safety while the engine is stopped due to the Stop & Start system (while
the Stop & Start indicator is on).
Unexpected accidents may occur due to the automatic engine start func-
tion.
● Do not leave the vehicle while the engine is stopped due to the Stop &
Start system (while the Stop & Start indicator is on).
Unexpected accidents may occur due to the automatic engine start func-
tion.
● Ensure that the engine is not stopped by the Stop & Start system while the
vehicle is in a poorly ventilated area. The engine may restart due to the
automatic engine start function, causing exhaust gases to collect and
enter the vehicle and resulting in death or a serious health hazard.
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.
● Even when the driver’s door is closed, the open door warning light comes
on, or the interior light comes on when the interior light switch is in the door
position.
● Even when the driver’s door is opened, the open door warning light does
not come on, or the interior light does not come on when the interior light
switch is in the door position.