Driving -> Using the driving support systems for Your Toyota Aygo SUV Third Generation (2022-2026)

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4-6. Using the driving support systems  
Speed limiter  
Summary of functions  
A desired maximum speed can be set using the speed limiter switch.  
The speed limiter prevents vehicle speed from exceeding the set  
speed.  
1
Indicator  
2
Speed limiter switch  
3
Display  
4
Setting the speed limiter  
Press the “ON-OFF” button to  
activate the speed limiter.  
Press the button once more to  
deactivate the speed limiter.  
: If equipped  
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Accelerate or decelerate to the  
desired speed and push the  
lever down to set the desired  
maximum speed.  
Adjusting the speed setting  
1
Increase speed  
2
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.  
Canceling and resuming the speed limiter  
1
Cancel  
Pull the lever towards you to can-  
cel the speed limiter.  
2
Resume  
To resume use of the speed limiter,  
push the lever up.  
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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  
4
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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4-6. Using the driving support systems  
Stop & Start system  
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  
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.  
Restarting the engine  
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  
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Disabling the Stop & Start system  
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.  
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Operating conditions  
4-6. Using the driving support systems  
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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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  
4
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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4-6. Using the driving support systems  
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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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)  
4
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.  
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4-6. Using the driving support systems  
Driving assist systems  
To keep driving safety and performance, the following systems  
operate automatically in response to various driving situations.  
Be aware, however, that these systems are supplementary and  
should not be relied upon too heavily when operating the vehi-  
cle.  
ABS (Anti-lock Brake System)  
Helps to prevent wheel lock when the brakes are applied suddenly,  
or if the brakes are applied while driving on a slippery road surface  
Brake assist  
Generates an increased level of braking force after the brake pedal  
is depressed when the system detects a panic stop situation  
4
VSC (Vehicle Stability Control)  
Helps the driver to control skidding when swerving suddenly or  
turning on slippery road surfaces  
TRC (Traction Control)  
Helps to maintain drive power and prevent the drive wheels from  
spinning when starting the vehicle or accelerating on slippery roads  
EPS (Electric Power Steering)  
Employs an electric motor to reduce the amount of effort needed to  
turn the steering wheel  
Hill-start assist control  
Helps to reduce the backward movement of the vehicle when start-  
ing on an uphill  
PCS (Pre-Collision system) (if equipped)  
P. 251  
Emergency brake signal  
When the brakes are applied suddenly, the emergency flashers  
automatically flash to alert the vehicle behind.  
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When the TRC/VSC systems are operating  
The slip indicator light will flash  
while the TRC/VSC systems are  
operating.  
Disabling the TRC system  
If the vehicle gets stuck in mud, dirt or snow, the TRC system may  
reduce power from the engine to the wheels. Pressing  
to turn the  
system off may make it easier for you to rock the vehicle in order to  
free it.  
To turn the TRC system off, quickly press  
and release  
.
The “TRC OFF” indicator will come on.  
Press  
on.  
again to turn the system back  
Turning off both TRC and VSC systems  
To turn the TRC and VSC systems off,  
press and hold  
for more than 3 sec-  
onds while the vehicle is stopped.  
The “TRC OFF” indicator and the VSC off  
indicator will come on.*  
Press  
on.  
again to turn the system back  
*: On vehicles with pre-collision system, pre-collision brake assist and pre-  
collision braking will also be disabled. The PCS warning light will come on.  
(P. 263)  
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has not been  
4-6. Using the driving support systems  
When the “TRC OFF” indicator light comes on even if  
pressed  
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.  
Operating conditions of hill-start assist control  
When the following four conditions are met, 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 the shift lever is in  
R when starting off backward on an upward incline  
The vehicle is stopped  
The accelerator pedal is not depressed  
4
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 shifted to  
N
Vehicles with a manual transmission: The shift lever is shifted to R when  
starting off forward on an upward incline, or the shift lever is shifted to other  
than R when starting off backward on an upward incline  
The accelerator pedal is depressed  
The parking brake is engaged  
2 seconds at maximum elapsed after the brake pedal is released  
Sounds and vibrations caused by the ABS, brake assist, VSC, TRC and  
hill-start assist control systems  
A sound may be heard from the engine compartment when the brake pedal  
is depressed repeatedly, when the engine is started or just after the vehicle  
begins to move. This sound does not indicate that a malfunction has  
occurred in any of these systems.  
Any of the following conditions may occur when the above systems are  
operating. None of these indicates that a malfunction has occurred.  
• Vibrations may be felt through the vehicle body and steering.  
• A motor sound may be heard also after the vehicle comes to a stop.  
• The brake pedal may pulsate slightly after the ABS is activated.  
• The brake pedal may move down slightly after the ABS is activated.  
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EPS operation sound  
4-6. Using the driving support systems  
When the steering wheel is operated, a motor sound (whirring sound) may be  
heard. This does not indicate a malfunction.  
Automatic reactivation of TRC and VSC systems  
After turning the TRC and VSC systems off, the systems will be automatically  
re-enabled in the following situations:  
When the engine switch is turned to the “LOCK” position (vehicles without a  
smart entry & start system) or off (vehicles with a smart entry & start sys-  
tem).  
If only the TRC system is turned off, the TRC will turn on when vehicle  
speed increases  
If both the TRC and VSC systems are turned off, automatic re-enabling will  
not occur when vehicle speed increases.  
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 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  
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WARNING  
The ABS does not operate effectively when  
The limits of tire gripping performance have been exceeded (such as  
excessively worn tires on a snow covered road).  
The vehicle hydroplanes while driving at high speed on wet or slick roads.  
Stopping distance when the ABS is operating may exceed that of nor-  
mal conditions  
The ABS is not designed to shorten the vehicle’s stopping distance. Always  
maintain a safe distance from the vehicle in front of you, especially in the  
following situations:  
When driving on dirt, gravel or snow-covered roads  
When driving with tire chains  
When driving over bumps in the road  
When driving over roads with potholes or uneven surfaces  
TRC/VSC may not operate effectively when  
4
Directional control and power may not be achievable while driving on slip-  
pery road surfaces, even if the TRC/VSC system is operating. Drive the  
vehicle carefully in conditions where stability and power may be lost.  
Hill-start assist control does not operate effectively when  
Do not overly rely on hill-start assist control. Hill-start assist control may  
not operate effectively on steep inclines and roads covered with ice.  
Unlike the parking brake, hill-start assist control is not intended to hold the  
vehicle stationary for an extended period of time. Do not attempt to use  
hill-start assist control to hold the vehicle on an incline, as doing so may  
lead to an accident.  
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WARNING  
When the TRC/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.  
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