
4144-5. Using the driving support systems
HILUX_OM_OM0K321E_(EE)
■Operating conditions 
● The Stop & Start system is operational when all of the following conditions 
are met: 
• Vehicles with automatic transmission: The brake pedal is being 
depressed firmly 
• Vehicles with manual transmission: The clutch pedal is not being 
depressed.
• The engine is adequately warmed up. 
• The outside temperature is -5  C (23 F) or higher 
• Vehicles with automatic transmission:  The shift lever is in D or S, or P 
after driving in D or S. 
• Vehicles with manual transmission: The shift lever is in N. 
• Vehicles with automatic air conditioning system:   is off. 
• The hood is closed. ( P. 415) 
• The driver’s seat belt is fastened.
• The driver’s door is closed. 
• The accelerator pedal is not being depressed. 
● In the following situations, the engine may not be stopped by the Stop & 
Start system. This is not a malfunction of the Stop & Start system. 
• The air conditioning system is being used when the ambient temperature 
is high or low. 
• The battery is undergoing a periodic recharge.
• The battery is not sufficiently charged, such as if the vehicle has been 
parked for a long time and the battery charge has decreased, the electric 
load is large, the battery fluid temperature is excessively low or the bat-
tery has deteriorated. 
• The brake booster vacuum is low. 
• The vehicle is stopped on a steep incline.
• The steering wheel is being operated 
• Due to traffic or other circumstances the vehicle is being stopped repeat- 
edly.
• The vehicle is being driven in a high altitude area. 
• Engine coolant temperature or tr ansmission fluid temperature is 
extremely low or high.
• The battery fluid temperature is extremely low or high. 
• For a while after the battery terminals have been disconnected and 
reconnected.
• For a while after the battery has been replaced. 
• The front-wheel drive control switch is  in the L4 position or the rear differ- 
ential is locked. 

4154-5. Using the driving support systems
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Driving
HILUX_OM_OM0K321E_(EE) 
● In the following situations, the engine will automatically restart if the engine 
is stopped by the Stop & Start system. (To enable stopping the engine by 
Stop & Start system, drive the vehicle.) 
• The air conditioning system is turned on. 
• Vehicles with automatic air conditioning system:   is turned on. 
• The steering wheel is being operated. 
• Vehicles with automatic transmission: The shift lever is shifted to a posi- 
tion other than D, S or P. 
• Vehicles with manual transmission: The shift lever is shifted to a position
other than N 
• 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.
Vehicles with automatic transmission: The engine may be stopped by Stop & 
Start system automatically without driving the vehicle if the idling stop time is 
set to “Long”. ( P. 417) 
● In the following situations, the engine may automatically restart if the engine 
is stopped by the Stop & Start system. (To enable stopping the engine by 
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.
Vehicles with automatic transmission: The engine may be stopped by Stop & 
Start system automatically without driving the vehicle if the idling stop time is 
set to “Long”. ( P. 417) 
■ 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. 282, 285) 
● 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 to 
the “LOCK” position (vehicles without smart entry & start system) or off (vehi-
cles with smart entry & start system), wait 30 seconds or more, and then start
the engine. 

4164-5. Using the driving support systems
HILUX_OM_OM0K321E_(EE) 
■ When to use the Stop & Start system 
● When stopping the vehicle for a longer period of time, stop the engine com- 
pletely. 
● When the system cannot operate, is canceled, or is malfunctioning, warning 
messages and a warning buzzer are used to inform the driver. ( P. 418) 
● 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. 282, 285) 
● 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 any authorized Toyota retailer or 
Toyota authorized repairer, or any reliable repairer for details. 
■ If the windshield is fogged up while the engine is stopped by the Stop & 
Start system
Vehicles with manual  air conditioning system:  
Restart the engine by pressing the Stop & Start cancel switch, and then set 
the air outlet selection dial to  . ( P. 519)
Vehicles with automatic air conditioning system:  
Turn   on. (The engine will start due to the automatic engine start func- 
tion.) ( P. 528) 
If the windshield fogs up frequently, press the Stop & Start cancel switch to 
disable the system. 
■ Air conditioning system operation while the engine is stopped by the 
Stop & Start 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 system 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. 

4174-5. Using the driving support systems
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Driving
HILUX_OM_OM0K321E_(EE) 
■ If an odor comes from the air conditioning system while the engine is 
stopped by the Stop & Start system 
Vehicles with manual air conditioning system:  
If the idling stop time is set to “Long”, change the setting to “Normal”. If an 
odor occurs even when “Normal” is selected, press the Stop & Start cancel 
switch to deactivate the Stop & Start system. 
Vehicles with automatic  air conditioning system:  
Press the Stop & Start cancel switch to deactivate the Stop & Start system. 
■ 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 by performing the following operation. (The
length of time the Stop & Start system will operate when the air conditioning 
system is off cannot be changed.) 
Use the meter control switches to select   while the vehicle is stopped 
and press  , and select   and press  . 
Select “Normal” or  “Long”, and then press  . 
■ The Stop & Start system protection function 
● 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 to the “LOCK” position 
(vehicles without smart entry & start sy stem) or off (vehicles with smart entry 
& start system), wait for 3 seconds or longer and then turn it to the “ACC” or 
“ON” position (vehicles without smart entry & start system), or ACCES- 
SORY mode or IGNITION ON mode (vehicles with smart entry & start sys-
tem) 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 to
the “LOCK” position (vehicles without smart entry & start system) or off 
(vehicles with smart entry & start system), and then repeat the following 
operation twice to activate the audio system normally. 
• Turn the engine switch to the “ON” position (vehicles without smart entry 
& start system), or IGNITION ON mode (vehicles with smart entry & start 
system), and then to the “LOCK” position (vehicles without smart entry &
start system) or off (vehicles with smart entry & start system). 
■ When exchanging the battery 
 P. 675
1
2 

4184-5. Using the driving support systems
HILUX_OM_OM0K321E_(EE) 
■ Displaying the Stop & Start system status 
Operation status of the Stop & Start system can be displayed on the  
(Drive information) screen of multi-information display. ( P. 154) 
The display of “After Reset” can be reset. 
● To reset the display, press   of the meter control switches, press “<” or “>” 
to select “Reset”, and then press and hold  . 
● To stop the reset procedure, press  . 
■ 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
Smart Stop 
Displays the current engine stop time. Also, the 
engine stop time when t he air conditioning sys- 
tem is on can be adjusted using the meter con- 
trol switches. ( P. 417)
After Start 
Displays the cumulative time that the engine is 
stopped by the Stop & Start system from when 
the engine is started until the engine is stopped.
After Reset 
Displays the cumulative time that the engine is 
stopped by the Stop & Start system from the 
previous reset until the system is reset again.
MessageDetails/Actions
“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”
Vehicles with automatic air conditioning sys- 
tem:
• The air conditioning system is being used 
when the ambient temperature is high or 
low.
 If the difference between the set tem- 
perature and cabin temperature is 
small, the system will be enabled. 
•  is on. 

4194-5. Using the driving support systems
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Driving
HILUX_OM_OM0K321E_(EE)
“Battery charging”
• The battery charge amount may be low. 
 Engine stop is temporarily prohibited 
to prioritize 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. 
• The engine may have been started with
the hood opened. 
 Close the hood, turn the engine switch 
to the “LOCK” position (vehicles with-
out smart entry & start system) or off 
(vehicles with smart entry & start sys- 
tem), wait 30 seconds or more, and
then start the engine. 
If the message is displayed continuously (60 
minutes or more), the battery may have
deteriorated. Contact any authorized Toyota 
retailer or Toyota authorized repairer, or any 
reliable repairer.
“For brake 
system”
• The vehicle is being driven in a high alti-
tude area. 
• The brake booster vacuum is low. 
 When the brake booster vacuum 
reaches a predetermined level, the 
system will be enabled.
“Driver seat belt  
unbuckled”The driver seat belt is not fastened.
“Non-dedicated 
battery”
A non-dedicated battery for the Stop & Start
system may have been installed. 
 The Stop & Start system does not 
operate. Have the vehicle inspected by
any authorized Toyota retailer or 
Toyota authorized repairer, or any reli- 
able repairer.
MessageDetails/Actions 

4204-5. Using the driving support systems
HILUX_OM_OM0K321E_(EE) 
● When the engine automatically restarts while stopped by the Stop & Start 
system 
■ If “Stop & Start system malfunction Visit your dealer” is shown on the 
multi-information display 
The system may be malfunctioning. Have the vehicle inspected by any autho- 
rized Toyota retailer or Toyota authorized repairer, or any reliable repairer. 
■ If the Stop & Start cancel indicator continues to flash 
The system may be malfunctioning. Have the vehicle inspected by any autho- 
rized Toyota retailer or Toyota authorized repairer, or any reliable repairer.
MessageDetails/Actions
“For climate  
control”
Vehicles with automatic air conditioning sys-
tem: 
• The air conditioning system has been
turned on or is being used. 
•  has been turned on.
“For brake  
system”
The brake pedal has been depressed further
or pumped. 
 The system will be enabled after the 
engine runs and the brake booster vac-
uum reaches a predetermined level.
“Battery charging”
The battery charge may be low.
 The engine is restarted to prioritize 
battery charging. Operating the engine 
for a short while allows the system to 
recover.
“Steering wheel 
turned”The steering wheel was operated.
“Driver seat belt 
unbuckled”The driver seat belt has been unfastened. 

4214-5. Using the driving support systems
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Driving
HILUX_OM_OM0K321E_(EE)
WARNING
■When the Stop & Start system is operating 
● Keep the shift lever in N (manual transmission), depress the brake pedal 
and apply the parking brake when necessary while the engine is stopped 
by the Stop & Start system (while the Stop & Start indicator is on).  
● Do not allow anyone to leave the vehicle while the engine is stopped by 
the Stop & Start system (while the Stop & Start indicator is on).  
An accident may occur due to the automatic engine start function. 
● 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, possibly resulting in death or a serious health hazard. 
■ Off-road driving precaution 
When driving off-road, such as driving through water, press the Stop & Start 
cancel switch to disable the Stop & Start system. Failure to do so may 
cause the engine to be unable to restart.
NOTICE
■ To ensure the system operates correctly 
If any of the following situations occur, the Stop & Start system may not 
operate correctly. Have your vehicle inspected by any authorized 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 though the driver’s seat belt is not fastened, the driver’s and front 
passenger’s seat belt reminder light does not illuminate. 
● Even though the driver’s door is closed, the open door warning is dis- 
played on the multi-information display or the interior light is illuminated 
when door linked illumination is enabled ( P. 538). 
● Even though the driver’s door is open, the open door warning is not dis- 
played on the multi-information display  or the interior light does not illumi- 
nate when door linked illumination is enabled ( P. 538).