2012 TOYOTA YARIS HYBRID battery

233 2-1. Driving procedures
2
When driving
YARIS_F (including HV)_WE_52C79E
When stopping the engine with the shift lever in a position other
than P (vehicles with a Multidrive)
If the engine is stopped with the shift lever in a position other than P,
the “ENGINE START STOP” switch will not be turned off but instead
be turned to ACCESSORY mode. Perform the following procedure to
turn the switch off:
Check that the parking brake is set.
Shift the shift lever to P.
Check that the smart entry & start system indicator light
(green) flashes slowly and then press the “ENGINE START
STOP” switch once.
Check that the smart entry & start system indicator light
(green) is off.
Auto power off function
Vehicles with a Multidrive
If the vehicle is left in ACCESSORY or IGNITION ON mode (the engine is
not running) for more than an hour with the shift lever in P, the “ENGINE
START STOP” switch will automatically turn off. However, this function can-
not entirely prevent battery discharge. Do not leave the vehicle with the
“ENGINE START STOP” switch in ACCESSORY or IGNITION ON mode for
long periods of time when the engine is not running.
Vehicle with a multi-mode manual transmission and manual transmis-
sion
If the vehicle is left in ACCESSORY or IGNITION ON mode (the engine is
not running) for more than an hour, the “ENGINE START STOP” switch will
automatically turn off. However, this function cannot entirely prevent battery
discharge. Do not leave the vehicle with the “ENGINE START STOP” switch
in ACCESSORY or IGNITION ON mode for long periods of time when the
engine is not running.
Electronic key battery depletion
P. 8 1

235 2-1. Driving procedures
2
When driving
YARIS_F (including HV)_WE_52C79E
Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be sus-
pended if the engine is turned on and off repeatedly in a short period of time.
In this case, refrain from operating the engine. After about 10 seconds, the
steering lock motor will resume functioning.
When the smart entry & start system indicator light flashes in yellow
The system may be malfunctioning. Have the vehicle inspected by any
authorized Toyota dealer or repairer, or another duly qualified and equipped
professional immediately.
If the electronic key battery is depleted
P. 505
Operation of the “ENGINE START STOP” switch
When operating the “ENGINE START STOP” switch, one short, firm press is
enough. If the switch is pressed improperly, the engine may not start or the
“ENGINE START STOP” switch mode may not change. It is not necessary to
press and hold the switch.
If the smart entry & start system has been deactivated in a customized
setting
P. 682

237 2-1. Driving procedures
2
When driving
YARIS_F (including HV)_WE_52C79E
NOTICE
To prevent battery discharge
Do not leave the “ENGINE START STOP” switch in ACCESSORY or IGNI-
TION ON mode for long periods of time without the engine running.
If the smart entry & start system indicator light (green) is illuminated, the
“ENGINE START STOP” switch is not off. When exiting the vehicle,
always check that the “ENGINE START STOP” switch is off.
On vehicles with a Multidrive, do not stop the engine when the shift lever is
in a position other than P. If the engine is stopped in another shift lever
position, the “ENGINE START STOP” switch will not be turned off but
instead be turned to ACCESSORY mode. If the vehicle is left in ACCES-
SORY mode, battery discharge may occur.
When starting the engine
Do not race a cold engine.
If the engine becomes difficult to start or stalls frequently, have your vehi-
cle checked by any authorized Toyota dealer or repairer, or another duly
qualified and equipped professional immediately.
Symptoms indicating a malfunction with the “ENGINE START STOP”
switch
If the “ENGINE START STOP” switch seems to be operating somewhat dif-
ferently than usual, such as the switch sticking slightly, there may be a mal-
function. Contact any authorized Toyota dealer or repairer, or another duly
qualified and equipped professional immediately.

242 2-1. Driving procedures
YARIS_F (including HV)_WE_52C79E
NOTICE
To prevent 12-volt battery discharge
Do not leave the engine switch in the “ACC” or “ON” position for long periods
of time without the hybrid system on.
When starting the hybrid system
If the hybrid system becomes difficult to start, have your vehicle checked by
any authorized Toyota dealer or repairer, or another duly qualified and
equipped professional immediately.

246 2-1. Driving procedures
YARIS_F (including HV)_WE_52C79E
When stopping the hybrid system with the shift lever in a
position other than P
If the hybrid system is stopped with the shift lever in a position other
than P, the “POWER” switch will not be turned off but instead be
turned to ACCESSORY mode. Perform the following procedure to
turn the switch off:
Check that the parking brake is set.
Shift the shift lever to P.
Check that the smart entry & start system indicator light
(green) flashes slowly and then press the “POWER” switch
once.
Check that the smart entry & start system indicator light
(green) is off.
Auto power off function
When the shift lever is in P, if the vehicle is left in ACCESSORY or ON mode
with the hybrid system not operating for more than 20 minutes (ACCES-
SORY mode) or one hour (ON mode), the “POWER” switch will automati-
cally turn off. However, this function cannot entirely prevent 12-volt battery
discharge. Do not leave the vehicle with the “POWER” switch in ACCES-
SORY or ON mode for long periods of time when the hybrid system is not
operating.
Sounds and vibrations specific to a hybrid vehicle
P. 5 1
Electronic key battery depletion
P. 8 1
When the ambient temperature is low, such as during winter driving
conditions
It may take time until the “READY” indicator comes on.
Conditions affecting operation
P. 7 8

248 2-1. Driving procedures
YARIS_F (including HV)_WE_52C79E
If the “READY” indicator does not come on
If the “READY” indicator does not come on when you press the “POWER”
switch with the shift lever in P and the brake pedal depressed, contact any
authorized Toyota dealer or repairer, or another duly qualified and equipped
professional immediately.
If the hybrid system is malfunctioning
P. 566, 568
If the electronic key battery is depleted
P. 505
Operation of the “POWER” switch
When operating the “POWER” switch, one short, firm press is enough. If
the switch is pressed improperly, the hybrid system may not start or the
“POWER” switch mode may not change. It is not necessary to press and
hold the switch.
If attempting to restart the hybrid system immediately after turning the
“POWER” switch off, the hybrid system may not start in some cases.
After turning the “POWER” switch off, please wait a few seconds before
restarting the hybrid system.
If the smart entry & start system or the push-button start system has
been deactivated in a customized setting
P. 682
CAUTION
When starting the hybrid system
Always start the hybrid system while sitting in the driver’s seat. Do not
depress the accelerator pedal while starting the hybrid system under any cir-
cumstances.
Doing so may cause an accident resulting in death or serious injury.
Caution while driving
If a hybrid system failure occurs while the vehicle is moving, do not lock or
open the doors until the vehicle reaches a safe and complete stop. Doing so
may cause activation of the steering lock which may lead to an accident,
resulting in death or serious injury.

249 2-1. Driving procedures
2
When driving
YARIS_F (including HV)_WE_52C79E
CAUTION
Stopping the hybrid system in an emergency
If you want to stop the hybrid system in an emergency while driving the vehi-
cle, press and hold the “POWER” switch for more than 3 seconds, or press it
briefly 3 times or more in succession. (P. 650)
However, do not touch the “POWER” switch while driving except in an emer-
gency. Turning the hybrid system off while driving will not cause loss of
steering or braking control, but the power assist to these systems will be lost.
This will make it more difficult to steer and brake, so you should pull over
and stop the vehicle as soon as it is safe to do so.
NOTICE
To prevent 12-volt battery discharge
Do not leave the “POWER” switch in ACCESSORY or ON mode for long
periods of time without the hybrid system on.
If the smart entry & start system indicator light (green) is illuminated, the
“POWER” switch is not off. When exiting the vehicle, always check that the
“POWER” switch is off.
Do not stop the hybrid system when the shift lever is in a position other
than P. If the hybrid system is stopped in another shift lever position, the
“POWER” switch will not be turned off but instead be turned to ACCES-
SORY mode. If the vehicle is left in ACCESSORY mode, 12-volt battery
discharge may occur.
When starting the hybrid system
If the hybrid system becomes difficult to start, have your vehicle checked by
any authorized Toyota dealer or repairer, or another duly qualified and
equipped professional immediately.
Symptoms indicating a malfunction with the “POWER” switch
If the “POWER” switch seems to be operating somewhat differently than
usual, such as the switch sticking slightly, there may be a malfunction. Con-
tact any authorized Toyota dealer or repairer, or another duly qualified and
equipped professional immediately.

250
2-1. Driving procedures
YARIS_F (including HV)_WE_52C79E
EV drive mode (hybrid vehicle)
Switching to EV drive mode when the gasoline engine is cold
If the hybrid system is started while the gasoline engine is cold, the gasoline
engine will start automatically after a short period of time in order to warm
up. In this case, you will become unable to switch to EV drive mode.
After the hybrid system has started and the “READY” indicator has illumi-
nated, press the EV drive mode switch before the gasoline engine starts to
switch to EV drive mode.
Situations in which EV drive mode cannot be turned on
It may not be possible to turn EV drive mode on in the following situations. If
it cannot be turned on, a buzzer will sound.
The temperature of the hybrid system is high.
The vehicle has been left in the sun, driven on a hill, driven at high
speeds, etc.
The temperature of the hybrid system is low.
The vehicle has been left in temperatures lower than about 0°C (32°F)
for a long period of time etc.
The gasoline engine is warming up.
In EV drive mode, the electric motor (traction motor), powered by the
hybrid battery (traction battery), is used to drive the vehicle.
This mode allows you to drive in residential areas early in the morn-
ing and late at night, or in indoor parking lots etc. without concern
for noises and exhaust gas emissions.
Turns EV drive mode on/off
When EV drive mode is turned
on, the EV drive mode indica-
tor will come on. Pressing the
switch when in EV drive mode
will return the vehicle to normal
driving (using the gasoline
engine and electric motor [trac-
tion motor]).