Toyota Highlander (2018 year). Manual - part 72

300

4-5. Using the driving support systems

●

In the following situations, the engine will restart automatically if the engine
is stopped by the Stop & Start system. (To enable stopping of the engine by
the Stop & Start system, drive the vehicle.)

• The air conditioning system is turned on.

•

 is turned on.

• The steering wheel is operated.
• The shift lever is shifted to a position other than D.
• The driver's seat belt is unfastened.
• The driver's door is opened.
• The accelerator pedal is depressed.
• The Stop & Start cancel switch is pressed.
• The vehicle starts to roll on an incline.

●

In the following situations, the engine may restart automatically if the engine
is stopped by the Stop & Start system. (To enable stopping of the engine by
the Stop & Start system, drive the vehicle.)

• The brake pedal is pumped or strongly depressed.
• The air conditioning system is being used.
• The battery is not sufficiently charged.

■

Hood

●

If the hood is opened while the engine is stopped by the Stop & Start sys-
tem, the engine will stall and will not be able to be restarted by the automatic
engine start function. In this case, restart the engine using the normal
engine starting procedure. (

→P. 218, 221)

●

Even if the hood is closed after the engine is started with the hood open, the
Stop & Start system will not operate. Close the hood, turn the engine switch
off, wait 30 seconds or more, and then start the engine.

■

When to use the Stop & Start system

●

When the system cannot operate, is canceled, or is malfunctioning, warning
messages and a warning buzzer are used to inform the driver. (

→P. 303)

●

Vehicles with a smart key system: If the engine switch is pressed when the
engine is stopped by the Stop & Start system, the engine will stall and will
not be able to be restarted by the automatic engine start function. In this
case, restart the engine using the normal engine starting procedure. 
(

→P. 218, 221)

●

When the engine is restarted by the Stop & Start system, the power outlets
may be temporarily unusable, but this is not a malfunction.

●

Installation and removal of electrical components and wireless devices may
affect the Stop & Start system. Contact your Toyota dealer for details.

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4-5. Using the driving support systems

4

Drivin

g

■

If the windshield is fogged up while the engine is stopped by the Stop &
Start system

Turn 

 on. (

→P. 437, 444)

If the windshield fogs up frequently, press the Stop & Start cancel switch to
disable the system.

■

If an odor comes from the air conditioning system while the engine is
stopped by the Stop & Start system
Vehicles with a manual air conditioning system: 
If the idling stop time is set to “Extended”, change the setting to “Standard”. If
an odor occurs even when “Standard” is selected, press the Stop & Start can-
cel switch to deactivate the Stop & Start system.
Vehicles with an automatic air conditioning system: 
Press the Stop & Start cancel switch to deactivate the Stop & Start system. 

■

Air conditioning system while the engine is stopped by the Stop & Start
system

●

Vehicles with an automatic air conditioning system: If the air conditioning
system is being used in automatic mode, the fan speed may be reduced or
the fan may be stopped while the engine is stopped by the Stop & Start sys-
tem in order to reduce changes in the cabin temperature.

●

To ensure air conditioning system performance when the vehicle is stopped,
disable the Stop & Start system by pressing the Stop & Start cancel switch.

■

Changing the idling stop time with the air conditioning system on
The length of time the Stop & Start system will operate when the air condition-

ing system is on can be changed on the 

 (

→P. 98) or 

 (

→P. 99). (The

length of time the Stop & Start system will operate when the air conditioning
system is off cannot be changed.)

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4-5. Using the driving support systems

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The Stop & Start system protection function

●

Vehicles without a smart key 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 reduce battery consumption. If this occurs, turn the
engine switch off, wait for 3 seconds or longer and then turn it to the “ACC”
or “ON” position to re-enable the audio system.
Vehicles with a smart key system: When an excessively loud sound is being
projected by the audio system, the audio system may be automatically cut
off in order to reduce battery consumption. If this occurs, turn the engine
switch off, wait for 3 seconds or longer and then turn it to ACCESSORY
mode or IGNITION ON mode to re-enable the audio system.

●

The audio system may not be activated when the battery terminals are dis-
connected and then reconnected. If this occurs, turn the engine switch off
and then repeat the following operation twice to activate the audio system
normally.

• Vehicles without a smart key system: Turn the engine switch to the “ON”

position and then to the “Lock” position.

• Vehicles with a smart key system: Turn the engine switch to IGNITION

ON mode and then to OFF.

■

Replacing the battery
→P. 642

■

Displaying the Stop & Start system status
→P. 98

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4-5. Using the driving support systems

4

Drivin

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Multi-information display messages
If the following situations, 

 and a message may be displayed on the multi-

information display.

●

When the engine cannot be stopped by the Stop & Start system

Message

Details

“Depress Brake
Firmly to Activate”

The brake pedal is not depressed enough.

If the brake pedal is depressed further, the
system will operate.

“For Climate Con-
trol”

• The air conditioning system is being used

when the ambient temperature is high or
low.
If the difference between the set temperature
and cabin temperature is small, the system
will be enabled.

•

 is ON.

“Battery Charging”

• The battery charge amount may be low.

Engine stop is temporarily prohibited to priori-
tize charging of the battery, but if the engine is
operated for a short while, engine stop is
allowed.

• A refresh charge may be occurring, such

as when the battery is undergoing a peri-
odic recharge, for a while after the battery
terminals have been disconnected and
reconnected, for a while after the battery
has been replaced, etc.
After a refresh charge of approximately 5 to
60 minutes completes, the system can be
operated.

• If the message is displayed continuously

(more than 60 minutes), the battery may
have deteriorated. 
Contact your Toyota dealer.

“Steering Wheel
Turned”

The steering wheel has been operated.

“Driver Seat Belt
Unbuckled”

The driver seat belt is not fastened.