Page 241 of 704

241 2-1. Driving procedures
2
When driving
YARIS_F (including HV)_WE_52C79E
When the steering lock cannot be released
If the “READY” indicator does not come on
If the “READY” indicator does not come on when you turning the engine
switch to the “START” position 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. 566568
Key reminder function
A buzzer sounds if the driver’s door is opened while the engine switch is in
the “ACC” or “LOCK” position to remind you to remove the key.
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 when driving
Do not turn the engine switch to the “LOCK” position while driving. If, in an
emergency, you must turn the hybrid system off while the vehicle is moving,
turn the engine switch only to the “ACC” position to stop the hybrid system.
An accident may result if the hybrid system is stopped while driving.
(P. 650)
When starting the hybrid system, the
engine switch may seem stuck in the
“LOCK” position. To free it, turn the key
while turning the steering wheel slightly
left and right.
Page 242 of 704
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.
Page 243 of 704
243
2-1. Driving procedures
2
When driving
YARIS_F (including HV)_WE_52C79E
Power (ignition) switch (hybrid vehicle [vehicles with an electronic key])
Performing the following operations when carrying the electronic
key on your person starts the hybrid system or changes “POWER”
switch modes.
Starting the hybrid system
Check that the parking brake is set.
Check that the shift lever is set in P.
If the shift lever is not set in P, the hybrid system may not be
started. ( P. 252)
Firmly depress the brake pedal.
The smart entry & start system indicator light (green) will turn on.
If the indicator light does not turn on, the hybrid system cannot be
started.
Press the “POWER” switch.
Continue depressing the brake
pedal until the hybrid system is
completely started.
The hybrid system can be
started from any “POWER”
switch mode.
Page 244 of 704
244 2-1. Driving procedures
YARIS_F (including HV)_WE_52C79E
Check that the “READY” indicator is on.
If the “READY” indicator changes from a flashing light to a solid
light and a beep sound, the hybrid system is starting normally.
The vehicle will not move when the “READY” indicator is off.
The vehicle can move when the “READY” indicator is on even if
the engine is stopped. (The gasoline engine starts or stops auto-
matically in accordance with the state of the vehicle.)
Stopping the hybrid system
Stop the vehicle completely.
Shift the shift lever to P.
Set the parking brake. (P. 271)
Press the “POWER” switch.
Slowly release the brake pedal and check that the
“READY” indicator is off.
Page 245 of 704
245 2-1. Driving procedures
2
When driving
YARIS_F (including HV)_WE_52C79E
Changing “POWER” switch modes
Modes can be changed by pressing the “POWER” switch with
brake pedal released. (The mode changes each time the switch is
pressed.)
Off
*
The emergency flashers can
be used.
The smart entry & start system
indicator light (green) is off.
ACCESSORY mode
Some electrical components
such as the audio system can
be used.
The smart entry & start system
indicator light (green) flashes
slowly.
ON mode
All electrical components can
be used.
The smart entry & start system
indicator light (green) flashes
slowly.
*: If the shift lever is in a position
other than P when turning off
the hybrid system, the
“POWER” switch will be turned
to ACCESSORY mode, not to
off.
Page 246 of 704

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
Page 247 of 704

247 2-1. Driving procedures
2
When driving
YARIS_F (including HV)_WE_52C79E
Notes for the entry function
P. 7 9
If the hybrid system does not start
The immobilizer system may not have been deactivated. (P. 155)
Contact any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional.
Steering lock
After turning the “POWER” switch off and opening and closing the doors, the
steering wheel will be locked due to the steering lock function. Operating the
“POWER” switch again automatically cancels the steering lock.
When the steering lock cannot be released
Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be sus-
pended if the hybrid system is turned on and off repeatedly in a short period
of time. In this case, refrain from operating the hybrid system. After about 10
seconds, the steering lock motor will resume functioning.
Check that the shift lever is securely set
in P. The hybrid system may not start if
the shift lever is displaced out of P. The
smart entry & start system indicator light
(green) will flash quickly.
The smart entry & start system indicator
light (green) will flash quickly.
Check that the shift lever is set in P. Press
the “POWER” switch while turning the
steering wheel left and right.
Page 248 of 704

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.