2023 TOYOTA PRIUS PRIME Owners Manual

1052-2. Charging
2
Plug-in hybrid system
After operating the connector lock
emergency release lever, push it
back to its original position until a
click sound is heard.
This method is a temporary correc-
tion procedure for emergency use
only. If the problem persists, have
the vehicle inspected by your
Toyota dealer immediately.
Do not operate the emergency
release lever when the charging
connector can be unlocked in the
normal procedure.
WARNING
■When connecting the
charging connector to the AC
charging inlet
Do not insert hand into the con-
nector lock portion.
A hand may be caught in the con-
nector lock pin, resulting in an
injury.
NOTICE
■When locking the AC
charging connector
Observe the following precau-
tions. Failure to do so may cause
a malfunction in the charging con-
nector locking system.
●Check that the AC charging
connector is compatible with
this vehicle.
A charging connector of the dif-
ferent type or a charging con-
nector with damaged or
deformed insertion part may not
be locked.
●Do not apply excessive force to
the AC charging connector after
the charging connector is
inserted.
When removing the AC
charging connector, make sure
to unlock the AC charging con-
nector.

1062-2. Charging
Connect to an AC 120 V out-
let (NEMA 5-15R) with a
Ground-Fault Circuit-Inter-
rupter (GFCI) and a circuit
breaker. Use of a 15A individ-
ual circuit is strongly recom-
mended to ensure AC
charging cable will operate
properly.
 When charging outdoors,
make sure to connect to a
weatherproof outlet that is
certified for outdoor use.
Checking Ground-Fault Cir-
cuit-Interrupter (GFCI) opera-
tion before its use is
recommended. NEMA 5-15R outlet
The illustration is an example
shown for demonstration pur-
poses, and may differ from the
actual configuration.
■The charging environment
For safe charging, the following
charging equipment and settings
are recommended.
●Weatherproof outlet
When charging outdoors, connect
the plug to a weatherproof outlet,
and ensure that the plug remains
waterproof while the plug is con-
nected.
●Dedicated circuit
• To reduce the risk of fire, connect
only to an at least 15A branch cir-
cuit with an over-current protec-
tion in accordance with the
National Electric Code,
ANSI/NFPA 70.
• To reduce the risk of electric
shock when working with the plug,
connect to a outlet with a Ground-
Fault Circuit-Interr upter (GFCI) or
that has an Earth Leakage Circuit
Breaker installed.
Power sources that
can be used
An external power source
that fulfills the following cri-
teria is necessary for
charging this vehicle. Con-
firm this before charging.
WARNING
■Warnings for electrical faults
Make sure to observe the precau-
tions in this Owner’s Manual when
charging the vehicle.
Failure to use a power source that
fulfills the requirements, or failure
to observe regulations while
charging could lead to an acci-
dent, possibly resulting in death or
serious injury.
Power sources
Outlets that can be con-
nected

1072-2. Charging
2
Plug-in hybrid system
WARNING
■Power sources precautions
Observe the following precau-
tions.
If you do not follow them, fire,
electrical shock or damage may
occur, possibly resulting in death
or serious injury.
●Connect to an AC 120 V outlet
(NEMA 5-15R) with a Ground-
Fault Circuit-Interrupter (GFCI)
and supplied by a circuit
breaker per your local code.
Use of a 15A individual circuit is
strongly recommended.
●Do not connect the AC charging
cable to a multi-outlet adaptor,
multi-plugs, or conversion plug.
●Connecting the AC charging
cable to an extension cord is
strictly prohibited.
The extension cord may overheat
and does not contain a Ground-
Fault Circuit-Inte rrupter (GFCI).
The leakage detection function of
the CCID (Charging Circuit Inter-
rupting Device) ( P.99) may not
operate correctly.
●Do not connect to a branch
electrical outlet.
●Use of a block heater for
charging is prohibited.
●Make sure to connect the
charging connector and AC
charging inlet directly.
Do not connect a converting
adaptor or extension cord
between the charging connector
and AC charging inlet.

1082-2. Charging
■AC charging (P.116)
This is a charging method used
when charging from an AC out-
let with the AC charging cable or
charging that use an AC char-
ger.
By setting charging schedule, it is
also possible to charge at the
desired date and time. ( P.123)
■Using the hybrid battery
(traction battery) charge
mode ( P.75)
The plug-in hybrid system can
be switched to hybrid battery
(traction battery) charge mode
to charge the hybrid battery
(traction battery) using electricity
generated by gasoline engine
operation.
The maximum charge amount in
the hybrid battery (traction battery)
charge mode is approximately 80%
of the fully charged capacity for the
charging from an external power
source.
■Solar charging system (if
equipped) ( P.136)
In certain conditions, when the vehicle is parked, the hybrid bat-
tery (traction battery) can be
charged by using electricity gen-
erated by the solar panel
equipped to the roof of the vehi-
cle.
This vehicle is equipped with
several functions that are linked
with charging.
■“My Room Mode” (
P.134)
When the AC charging cable is
connected to the vehicle, electri-
cal components such as the air
conditioning system or audio
system can be used using the
external power source
*.
*: The power of the hybrid battery (traction battery) may be used
depending on the situation.
■“Battery Heater”
When the outside temperature
is low and the AC charging
cable is connected to the vehi-
cle, this function automatically
warms the hybrid battery (trac-
tion battery) until it reaches or
exceeds a certain temperature.
“Battery Heater” will operate
when the “Battery Heater” of the
“Charging Settings” on the multi-
information display is on.
( P.169)
 By setting charging schedule,
“Battery Heater” operates
according to the charging
Charging methods
The following methods can
be used to charge the
hybrid battery (traction bat-
tery).
Types of charging meth-
odsCharging-linked functions

1092-2. Charging
2
Plug-in hybrid system
start time. (P.123)
■Hybrid battery (traction bat-
tery) warming control
(Alaska and Canada only)
This control operates after the
AC charging cable remains con-
nected to the vehicle for 3 days
and “Battery Heater” automati-
cally stops. It automatically insu-
lates the hybrid battery (traction
battery) in extremely low tem-
peratures.
 This control stops 31 days
after the AC charging cable is
connected, even if it is still
connected to the vehicle.
 When this control operates,
charging schedule settings
are ignored and charging
starts.
■“Battery Cooler”
When the hybrid battery (trac-
tion battery) is hot and the AC
charging cable is connected to
the vehicle, this function cools
the hybrid battery (traction bat-
tery) before charging is carried
out.
 “Battery Cooler” will operate
when the “Battery Cooler” of
the “Charging Settings” on the
multi-information display is
on. ( P.169)
 When the charging voltage is
120 V, the function does not
operate.
■Traction battery heating and
cooling system (“Battery
Heater” and “Battery Cooler”)
●The system operates when the
hybrid battery (traction battery) is
below or above a certain tempera-
ture.
●The system may operate when
charging is not being performed.
●When the charging schedule is
used ( P.123), this function will
operate according to the charging
schedule.
■“Battery Heater”
●When “Battery Heater” is operat-
ing, the charging indicator illumi-
nates.
●When the AC charging cable is
removed from the vehicle or
remains connected to the vehicle
for approximately 3 days, the sys-
tem automatically stops.
●When “Battery Heater” is operat-
ing during charging, the charging
time may be longer than normal.
●When the shift position is changed
to any position other than P while
“Battery Heater” is operating, the
hybrid battery (traction battery)
heating operation stops.
●“Battery Heater” may operate
even when the hybrid battery
(traction battery) is fully charged
depending on the temperature of
the hybrid battery (traction bat-
tery).
• The remaining charge of the hybrid battery (traction battery)
decreases when “Battery Heater”
operates. The charging operation
may start again to charge the
hybrid battery (traction battery).
• “Charging Stopped Due to Pulled Charging Connector” may be
shown when the charging connec-
tor is removed while recharging.
( P.143)

1102-2. Charging
■“Battery Cooler”
●The charging indicator is illumi-
nated while “Battery Cooler” is on
standby or operating.
●“Battery Cooler” is implemented
for a maximum of approximately
30 minutes.
●When there is a small amount of
remaining charge in the hybrid
battery (traction battery), even if
the hybrid battery (traction battery)
is hot, “Battery Cooler” may not be
implemented.
●When the hybrid battery (traction
battery) is almost completely
charged, “Battery Cooler” may not
be implemented.
●When the following operations are
performed while “Battery Cooler”
is operating, the hybrid battery
(traction battery) cooling operation
stops.
• The hood is opened
• The power switch is turned to any mode other than off
• “Charge Now” is implemented ( P.124)
●“Battery Cooler” uses the power of
the hybrid battery (traction battery)
and external power source.
• While “Battery Cooler” is operat- ing, the remaining charge of the
hybrid battery ma y not increase
the same amount as during nor-
mal charging.
• The operation of “Battery Cooler”
is recognized as charging by a
charger. The charger that calcu-
lates the fee according to charging
time causes a charging fee.
To enable the use of EV mode
or AUTO EV/HV mode, we rec-
ommend systematically
charging the vehicle.
■Before leaving home
In order to use EV mode or
AUTO EV/HV mode, charge the
hybrid battery (traction battery)
at home before leaving.
■At your destination
Use a public charging station to
charge the hybrid battery (trac-
tion battery).
If there are no charging facilities
at your destination, the hybrid
battery (traction battery) can be
charged using the hybrid battery
(traction battery) charge mode.
( P.75)
*
Charging tips
This section explains meth-
ods for using the charging
function for this vehicle and
checking information
related to charging.
Systematically charging

1112-2. Charging
2
Plug-in hybrid system
*: When using the hybrid battery (traction battery) charge mode
while parked, make sure that no
flammable objects are near the
vehicle and the vehicle is parked
in a well-ventilated area. ( P.76)
■While parking (vehicles
with solar charging system)
Solar charging is performed to
charge the hybrid battery (trac-
tion battery) when the neces-
sary conditions such as parking
are met. ( P.136)
■After returning home
In order to drive the next time,
charge the hybrid battery (trac-
tion battery).
Settings the charging schedule
allows you to charge the hybrid bat-
tery (traction battery) at the desired
time such as late at night or early in
the morning. Furthermore, the
charging schedule can be set to automatically charge the hybrid bat-
tery (traction battery) every day or
at the same time on certain days.
(
 P.123)
Vehicles with solar charging sys-
tem: When the hybrid battery (trac-
tion battery) is fully charged,
charging the battery via the solar
charging system is not performed.
If you are not planning on driving
the vehicle for a few days, refrain-
ing from charging the vehicle until
right before you plan on using it will
allow the solar charging system to
be used effectively.
Information related to charging
is displayed and can be checked
on the multi-information display.
■While charging
When any door is opened during
charging with the power switch
off, the current charging condi-
tion and approximate time
remaining until charging is com-
plete are displayed for a certain
period of time.
The actual charging time may differ
depending on conditions such as
the remaining capacity of the hybrid
Checking information
related to charging

1122-2. Charging
battery (traction battery), outside
temperature, and specifications of
the AC charger.
The time until charging completed
may not be displayed if the
charging current to the hybrid bat-
tery (traction battery) becomes
smaller and the charging time
becomes longer.
■After charging is complete
When any door is opened with
the power switch off after
charging is complete, a mes-
sage detailing the results of the
charging is displayed for a while.
Also, a message is displayed if
an operation that stops charging
is performed or a situation
where charging cannot be per-
formed occurs.
When a message is displayed, fol-
low the instructions displayed on
the screen. ( P.143)
■Multi-information display
during charging
If approximately 100 seconds
elapse after the power switch is
turned to ON during charging, the
power switch will automatically turn
off and the display will disappear.