change key battery TOYOTA PRIUS PRIME 2018 Owners Manual (in English)

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PRIUS PRIME_OM_OM47C17U_(U)
4-2. Opening, closing and locking the doors
■Note for the entry function
●Even when the electronic key is within the effective range (det ection areas),
the system may not operate properly in the following cases:
• The electronic key is too close to the window or outside door handle, near
the ground, or in a high place when the doors are locked or unl ocked.
• The electronic key is on the instrument panel, floor, or in th e door pockets
or glove box when the hybrid system is started or power switch modes
are changed.
● Do not leave the electronic key on top of the instrument panel or near the
door pockets when exiting the vehicle. Depending on the radio w ave recep-
tion conditions, it may be detected by the antenna outside the cabin and the
door will become lockable from the outside, possibly trapping the electronic
key inside the vehicle.
● As long as the electronic key is within the effective range, th e doors may be
unlocked or locked by anyone.
● Even if the electronic key is not inside the vehicle, it may be possible to start
the hybrid system if the electronic key is near the window.
● The doors may unlock if a large amount of water splashes on the door han-
dle, such as in the rain or in a car wash when the electronic k ey is within the
effective range. (The door will automatically be locked after a pproximately
60 seconds if the doors are not opened and closed.)
● If the wireless remote control is used to lock the doors when t he electronic
key is near the vehicle, there is a possibility that the door m ay not be
unlocked by the entry function. (Use the wireless remote contro l to unlock
the doors.)
● Touching the door lock sensor while wearing gloves may delay or prevent
lock operation. Remove the gloves and touch the lock sensor aga in.
● If the door handle becomes wet while the electronic key is with in the effec-
tive range, the door may lock and unlock repeatedly. In this ca se, follow the
following correction procedures to wash the vehicle.
• Place the electronic key in a location 6 ft. (2 m) or more awa y from the
vehicle. (Take care to ensure that the key is not stolen.)
• Set electronic key to battery-saving mode to disable the smart key sys-
tem. ( P. 280)
● If the electronic key is inside the vehicle and a door handle b ecomes wet
during a car wash, a message may be shown on the multi-informat ion dis-
play and a buzzer will sound outside the vehicle. To turn off t he alarm, lock
all the doors.

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PRIUS PRIME_OM_OM47C17U_(U)
5-2. Driving procedures
Modes can be changed by pressing the power switch with the brake
pedal released. (The mode changes each time the switch is pressed.)
Off
The emergency flashers can be
used.
ACCESSORY mode
Some electrical components such
as the audio system can be used.
“Accessory” is displayed on the
main display.
ON mode
All electrical components can be
used.
“Ignition ON” is displayed on the
main display.
■ Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minut es or ON
mode (the hybrid system is not operating) for more than an hour with the shift
position in P, the power switch will automatically turn off. Ho wever, this func-
tion cannot entirely prevent the 12-volt battery discharge. Do not leave the
vehicle with the power switch in ACCESSORY or ON mode for long periods
of time when the hybrid system is not operating.
■ Sounds and vibrations sp ecific to a hybrid vehicle
P. 88
■ Electronic key battery depletion
P. 264
■ When the ambient temperature is low, such as during winter driv ing con-
ditions
● When starting the hybrid system, the flashing time of the “READY” indicator
may be long. Leave the vehicle as it is until the “READY” indic ator is steady
on, as steady means the vehicle is able to move.
● When the hybrid battery (traction battery) is extremely cold (b elow approxi-
mately -22°F [-30°C]) under the influence of the outside temper ature, it may
not be possible to start the hybrid system. In this case, try t o start the hybrid
system again after the temperature of the hybrid battery increa ses due to
the outside temperature increase etc.
Changing power switch modes
1
2
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PRIUS PRIME_OM_OM47C17U_(U)
3275-2. Driving procedures
5
Driving
■Conditions affecting operation
P. 281
■ Note for the entry function
P. 282
■ If the hybrid system does not start
●The immobilizer system may not have been deactivated. ( P. 75)
Contact your Toyota dealer.
● The charging cable may be connected to the vehicle. ( P. 1 3 2 )
● If a message related to start-up is shown on the multi-informat ion display,
read the message and follow the instructions.
■ If the “READY” indicator does not come on
In the event that the “READY” indicator does not come on even a fter perform-
ing the proper procedures for starting the vehicle, contact you r Toyota dealer
immediately.
■ If the hybrid system is malfunctioning
P. 667
■ If the electronic key battery is depleted
P. 631
■ Operation of the power switch
●If the switch is not pressed shortly and firmly, the power swit ch mode may
not change or the hybrid system may not start.
● If attempting to restart the hybrid system immediately after tu rning the power
switch off, the hybrid system may not start in some cases. Afte r turning the
power switch off, please wait a few seconds before restarting t he hybrid sys-
tem.
■ Automatic P position selection function
P. 333
■ When the shift contr ol system malfunctions
When attempting to turn the power switch off while there is a m alfunction in
the shift control system, the power switch mode may change to A CCES-
SORY mode. In this case, ACCESSORY mode may be turned off by ap plying
the parking brake and pressing the power switch again. If there is a malfunc-
tion in the system, have the vehicle inspected by your Toyota d ealer immedi-
ately.

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PRIUS PRIME_OM_OM47C17U_(U)
5-3. Operating the lights and wipers
■Automatic light off system
●When the headlights come on: The headlights and tail lights tur n off 30 sec-
onds after a door is opened and closed if the power switch is t urned to
ACCESSORY mode or turned off. (The lights turn off immediately if on
the key is pressed after all the doors are locked.)
● When only the tail lights come on: The tail lights turn off automatically if the
power switch is turned to ACCESSORY mode or turned off and the driver’s
door is opened.
To turn the lights on again, turn the power switch to ON mode, or turn the light
switch (U.S.A. [type A]), or (U.S.A. [type B]) or
(Canada) once and then back to or .
■ 12-volt battery-saving function
In order to prevent the 12-volt battery of the vehicle from dis charging, if the
headlights and/or tail lights are on when the power switch is t urned off, the
12-volt battery saving function will operate and automatically turn off all the
lights after approximately 20 minutes.
When any of the following are performed, the 12-volt battery-sa ving function
is canceled once and then reactivated. All the lights will turn off automatically
20 minutes after the 12-volt battery-saving function has been r eactivated:
● When the headlight switch is operated
● When a door is opened or closed
■ If “Headlight System Malfunction Visit Your Dealer” is displaye d on the
multi-information display
The system may be malfunctioning. Have the vehicle inspected by your Toy-
ota dealer.
■ Customization
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features: P. 736)
NOTICE
■To prevent 12-volt b attery discharge
Do not leave the lights on longer than necessary when the hybri d system is
off.

5126-1. Using the air conditioning system and defogger
PRIUS PRIME_OM_OM47C17U_(U)■
Security feature
Any unlocked doors will be automatically locked when the system is operat-
ing. The buzzer sounds and the emergency flashers flash to indi cate that the
doors have been locked or the system has been turned off.
(The doors locked: Once; The system turned off: Twice)
■ Conditions affecting operation
P. 281
■ When using the Remote A ir Conditioning System
A charging message will be displayed on the multi-information d isplay. Differ-
ent messages will be displayed depending on when the Remote Air Condi-
tioning System was started (after charging or during charging).
■ While the Remote Air Condit ioning System is operating
● Depending on the operating condition of the Remote Air Conditio ning Sys-
tem, the electric fan may spin and an operating noise may be heard. How-
ever, this does not indicate a malfunction.
● The Remote Air Conditioning System may stop operating temporari ly if
other features that use electricity (for example, the seat heat er, lights, wind-
shield wipers) are in operation or if the charge level of the 1 2-volt battery
becomes low.
● The headlights, windshield wiper, combination meter, etc. will not operate
while the Remote Air Conditioning System is operating.
■ Electronic key battery depletion
P. 264
■ When the electronic key battery is fully depleted
P. 631
■ Customization
Setting (e.g. Operation using “A/C” on the wireless remote control) can be
changed. (Customizable features P. 736)
■ Smartphone-linked operation (vehicles with 11.6-inch display)
After applying to Entune, it is possible to use the smartphone application to
operate the Remote Air Conditioning System.
For details about Entune, refer to http://www.toyota.com/entune/.

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PRIUS PRIME_OM_OM47C17U_(U)
6-2. Using the interior lights
Turns the switch to the door
position (door linked)
Operation is linked with the front
interior light main switch. When the
switch is off, the light does not illu-
minate.
Turns the light on
●Illuminated entry system: The lights automatically turn on/off according to
power switch mode, the presence of the electronic key, whether the doors
are locked/unlocked, and whether the doors are opened/closed.
● If the interior lights remain on when the power switch is turne d off, the light
will go off automatically after 20 minutes.
● Settings (e.g. the time elapsed before the lights turn off) can be changed.
(Customizable features: P. 736)
Rear interior light
1
2
NOTICE
To prevent 12-volt battery discharge, do not leave the lights o n longer than
necessary when the hybrid system is off.

6708-2. Steps to take in an emergency
PRIUS PRIME_OM_OM47C17U_(U)■
If “See Owner’s Manual” is shown
●If “Braking Power Low Stop in a Safe Place See Owner’s Manual” is shown,
this may be a malfunction. Immediately stop the vehicle in a sa fe place and
contact your Toyota dealer. Continuing to drive the vehicle may be danger-
ous.
● If “Engine Oil Pressure Low” is shown, this may be a malfunctio n. Immedi-
ately stop the vehicle in a safe place and contact your Toyota dealer.
● If the following messages are shown, there may be a malfunction . Immedi-
ately have the vehicle inspected by your Toyota dealer.
• “Plug-in charging system malfunction.”
• “Hybrid System Malfunction”
• “Check Engine”
• “Hybrid Battery System Malfunction”
• “Accelerator System Malfunction”
• “Smart Key System Malfunction See Owner’s Manual”
■ If “Shift System Not A ctive Apply Parking Brake Securely While Parking
See Owner’s Manual” is shown
Indicates a temporary operation failure or malfunction in the shift control sys-
tem. Immediately have the vehicle inspected by your Toyota deal er.
When the message is shown, the hybrid system may not be started or the
shift position may not be changed normally. (Coping method: P. 673)
■ If “Shift System Malfunction A pply Parking Brake Securely While Park-
ing See Owner’s Manual” is shown
Indicates a malfunction in the shift control system. Immediatel y have the vehi-
cle inspected by your Toyota dealer.
When the message is shown, the hybrid system may not be started or the
shift position may not be changed normally. (Coping method: P. 673)
■ If “ Switch Malfunction Apply Par king Brake Securely While Parking
See Owner’s Manual” is shown
The P position switch may not operate. Immediately have the veh icle
inspected by your Toyota dealer.
When parking the vehicle, stop the vehicle on level ground and apply the
parking brake firmly.
■ If “Shift System Malfunction Shi fting Unavailable See Owner’s M anual”
is shown
Indicates a malfunction in the shift control system. Immediatel y have the vehi-
cle inspected by your Toyota dealer.
The shift position may not be shifted from P to other than P.
■ If “Shift System Malfunction S top in a Safe Place See Owner’s Manual”
is shown
Indicates a malfunction in the shift control system. Immediatel y have the vehi-
cle inspected by your Toyota dealer.
The shift position may not be changed. Stop the vehicle in a sa fe place.

6978-2. Steps to take in an emergency
PRIUS PRIME_OM_OM47C17U_(U)
8
When trouble arises
■Stopping the hybrid system
Set the parking brake, shift the shift position to P and press the power switch
as you normally do when stopping the hybrid system.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommende d that the
electronic key battery be replaced immediately when the battery is depleted.
( P. 631)
■ Changing power switch modes
Release the brake pedal and press the power switch in step abo ve. The
hybrid system does not start and modes will be changed each tim e the switch
is pressed. ( P. 326)
■ When the electronic key does not work properly
●Make sure that the smart key system has not been deactivated in the cus-
tomization setting. If it is off, turn the function on.
(Customizable features: P. 736)
● Check if battery-saving mode is set. If it is set, cancel the f unction.
( P. 280)
WARNING
■ When using the mechanical key and operating the power windows
Operate the power window after checking to make sure that there is no pos-
sibility of any passenger having any of their body parts caught in the win-
dow.
Also, do not allow children to operate the mechanical key. It is possible for
children and other passengers to get caught in the power window .
3

PRIUS PRIME_OM_OM47C17U_(U)
7459-2. Customization
9
Vehicle specifications
■Seat belt reminder (P. 662)
■Vehicle customization
●When the Speed linked door locking function and the Shift posit ion linked
door locking function are both on, the door lock operates as fo llows.
• When shifting the shift position to any position other than P, all the doors
will be locked.
• If the vehicle is started with all the doors locked, the Speed linked door locking function would not operate.
• If the vehicle is started with any door unlocked, the Speed linked door
locking function will operate.
● When the smart key system is off, Smart door unlocking cannot b e custom-
ized.
● When the doors remain closed after unlocking the doors and the automatic
door lock function is activated, the signals will be generated in accordance
with the operation signal (buzzer) and the operation signal (em ergency
flashers) settings.
■ In the following situations, customize mode in which the settin gs can be
changed through the multi-information display will automaticall y be
turned off.
● The power switch is turned off.
● The vehicle begins to move while the customize mode screen is d isplayed.
FunctionDefault
settingCustomized setting
Vehicle speed linked seat belt
reminder buzzerOnOff––O
WARNING
■Cautions during customization
As the hybrid system needs to be operating during customization, ensure
that the vehicle is parked in a place with adequate ventilation. In a closed
area such as a garage, exhaust gases including harmful carbon monoxide
(CO) may collect and enter the vehicle. This may lead to death or a serious
health hazard.
NOTICE
■ During customization
To prevent 12-volt battery discharge, ensure that the hybrid sy stem is oper-
ating while customizing features.
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