Get Driving -> Stop & Start system Guide for Toyota Aygo SUV Second Generation (2015-2021)

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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.)

239

4-6. Using the driving support systems

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. 238)

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.

4

240

■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.

241

4-6. Using the driving support systems

●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.

242

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. 180, 183)

■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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4-6. Using the driving support systems

■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. 238) or by pressing the Stop & Start can-

cel switch, and then set the air outlet selection dial to

. (P. 320)

●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. 326)

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. 102

■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.

244

4-6. Using the driving support systems

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.

Driving -> Stop & Start system for Your Toyota Aygo SUV Second Generation (2015-2021)

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